CN112502563B

CN112502563B - Pneumatic door driving system capable of rapidly increasing action speed and operation method thereof

Info

Publication number: CN112502563B
Application number: CN202011311451.9A
Authority: CN
Inventors: 孟凡军; 王良锋; 赵新; 黄荣川
Original assignee: East China Power Test and Research Institute Co Ltd
Current assignee: Shandong Shuke New Energy Co.,Ltd.
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2022-05-31
Anticipated expiration: 2040-11-20
Also published as: CN112502563A

Abstract

The invention discloses a pneumatic door driving system capable of rapidly increasing action rate and an operation method thereof, and the pneumatic door driving system comprises a U-shaped frame, a square-shaped frame, two pneumatic doors and a box body, wherein the square-shaped frame is fixed between two sides and the bottom of the inner wall of the U-shaped frame, the two pneumatic doors are symmetrically arranged on two sides of the bottom of the inner wall of the square-shaped frame, the box body is fixed at the top of the square-shaped frame through a support rod, a driving cylinder is fixed at the top of the box body, a driving mechanism is arranged in the box body, and a positioning mechanism is arranged above the box body. According to the pneumatic door driving system capable of rapidly increasing the action rate and the operation method thereof, the push plate is conveniently separated from the driving cylinder through the arrangement of the positioning mechanism, and the cylinder is conveniently overhauled; through the cooperation of actuating mechanism, positioning mechanism, adjustment disc, regulation pole, be convenient for when driving actuating cylinder and having a power failure, also can open pneumatic door smoothly, use the limitation little.

Description

Pneumatic door driving system capable of rapidly increasing action speed and operation method thereof

Technical Field

The invention relates to the technical field of pneumatic door driving, in particular to a pneumatic door driving system capable of rapidly increasing action speed and an operation method thereof.

Background

The pneumatic operation is to make the machine move or do work by utilizing the air pressure generated by the impact action or the rotation action, and the pneumatic operation is to take the compressed air as a power source to drive the machine to complete the stretching or rotating action. Because the characteristic of compressibility of air is utilized, the air is sucked for compression and storage, the air has elasticity like a spring, and then the direction of the air is controlled by the control element to drive the execution element to rotate and stretch. The air sucked from the atmosphere can be discharged into the atmosphere, no chemical reaction can be generated, no component polluting the air can be consumed, and in addition, the viscosity of the gas is smaller than that of the liquid, so the flowing speed is high, and the environment is protected. The cylinder is a cylindrical metal part that guides the piston to reciprocate linearly in the cylinder. Air converts thermal energy into mechanical energy by expansion in an engine cylinder; the gas is compressed by a piston in a compressor cylinder to increase pressure and the pneumatic door is typically closed by the cylinder providing power.

According to the patent number CN206785195U, the driving mechanism of the pneumatic sliding plug door comprises a bearing beam assembly, a suspension assembly and a door carrying frame assembly, and is also provided with a swing rod assembly; the carrier bar assembly is fixed on the frame, hangs the assembly and rotates to be connected on the carrier bar assembly through the pendulum rod assembly, the suspension assembly is connected to the door carrying frame assembly, and the actuating mechanism of this pneumatic stopper sliding door has reduced the structure mounting dimension, uses ordinary cylinder to replace rodless cylinder, can greatly reduced cost, improves the reliability, but this actuating mechanism of pneumatic stopper sliding door still has following not enoughly:

(1) under the condition of power failure, the pneumatic door cannot be opened, and the use limitation is large;

(2) the steel wire rope is loosened after being used for a long time, so that the tightness cannot be adjusted, and the normal opening of the pneumatic door is influenced;

(3) the air cylinder is fixed with the left supporting plate, and the air cylinder is troublesome to overhaul;

(4) the bottom of the pneumatic door is not provided with a roller device, so that the friction is large when the door is opened, and the service life of the pneumatic door is influenced.

Accordingly, the present invention is directed to a pneumatic door driving system with a fast lifting speed and a method for operating the same to solve the above-mentioned problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a pneumatic door driving system capable of rapidly increasing the action rate and an operation method thereof, and solves the problems that the pneumatic door cannot be opened and has large use limitation under the condition of power failure; the steel wire rope is loosened after being used for a long time, so that the tightness cannot be adjusted, and the normal opening of the pneumatic door is influenced; the air cylinder is fixed with the left supporting plate, and the air cylinder is troublesome to overhaul; the bottom of the pneumatic door is not provided with a roller device, so that the friction is large when the door is opened, and the service life of the pneumatic door is influenced.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a promote pneumatic door actuating system of action speed fast, includes U type frame, returns shape frame, pneumatic door and box, it fixes between the both sides and the bottom of U type frame inner wall to return the shape frame, pneumatic door is provided with two, two the pneumatic door symmetry sets up the both sides returning shape frame inner wall bottom, the box passes through branch and fixes the top of returning the shape frame, the top of box is fixed with and drives actuating cylinder, the inside of box is provided with actuating mechanism, the top of box is provided with positioning mechanism.

Actuating mechanism includes the left first support in box inner wall top and the second support of sliding connection on box inner wall top right side, all rotate between the both sides of first support and second support inner wall and be connected with the roller, two the transmission is connected with driving belt between the surface of roller, the top on driving belt surface is fixed with the push pedal, the top of push pedal runs through the box and extends to the outside of box, the positive square of driving belt all is fixed with the link, two with the below at the back the bottom of link all is fixed with the connecting rod, the bottom of connecting rod runs through the box in proper order, returns the shape frame and extends to the inside of returning the shape frame, two the bottom of connecting rod respectively with the bottom fixed connection of two pneumatic doors.

Preferably, positioning mechanism is including fixing the hollow tourus on push pedal right side, the top intercommunication of hollow tourus surface has semi-circular hollow body, the inner wall of hollow tourus rotates and is connected with the ring gear piece, the arc wall has been seted up to the internal surface of ring gear piece, positioning mechanism still includes the bull stick, the right-hand member of bull stick runs through push pedal, semi-circular hollow body in proper order and extends to the inside of semi-circular hollow body, the fixed surface of bull stick has the drive gear with ring gear piece engaged with, the internal fixed surface of hollow tourus has the solid fixed cylinder, the inside of solid fixed cylinder is provided with the depression bar.

Preferably, the fixed surface of depression bar has the sliding tray, the surface of sliding tray and the inner wall sliding connection of a fixed section of thick bamboo, the one end of depression bar runs through a fixed section of thick bamboo, hollow tourus in proper order and contacts with the inner wall of arc wall, the surface cover of depression bar is equipped with reset spring, the other end of depression bar is fixed with the resistance-increasing pad.

Preferably, positioning mechanism still includes sliding connection at the left mobile location gear of push pedal and fixes at the left mounting panel of push pedal, the fixed surface of bull stick has the fixed position gear, the left place ahead of mobile location gear all is fixed with the welding block with the rear, the place ahead and the rear at mounting panel top all are fixed with the spring beam, two the top of spring beam respectively with the bottom fixed connection of two welding blocks, the left end of bull stick is fixed with the carousel.

Preferably, the surface of driving actuating cylinder passes through positioning mechanism and push pedal fixed connection, and the left side the front of roller is fixed with the regulation pole, the one end that the roller was kept away from to the regulation pole runs through first support, box in proper order and extends to the outside of box, the one end that the roller was kept away from to the regulation pole is fixed with the adjustment disk.

Preferably, the left side of box inner wall is fixed with accommodate motor, accommodate motor's output shaft is fixed with two-way lead screw, the right-hand member of two-way lead screw runs through first support, push pedal, second support in proper order and rotates with the right side of box inner wall to be connected, the inner wall of first support and second support all with the surperficial threaded connection of two-way lead screw, the left side of push pedal is run through and is seted up the through-hole with two-way lead screw looks adaptation.

Preferably, the top of box runs through the push pedal groove of seting up with push pedal looks adaptation, the adjusting lever groove with adjusting pole looks adaptation is seted up in the front of box, the place ahead and the rear of bottom half run through respectively set up with the first connecting rod groove of two connecting rod looks adaptations, the place ahead and the rear of returning the shape frame top run through respectively set up with the second connecting rod groove of two connecting rod looks adaptations.

Preferably, the bottoms of the two pneumatic doors are provided with grooves, the inner walls of the grooves are provided with rollers, the bottom of the inner wall of the clip frame is provided with roller grooves matched with the rollers, a baffle is fixed between the top and the bottom of the inner wall of the clip frame, and the left side of the U-shaped frame is fixed with a control panel.

The invention also discloses an operation method of the pneumatic door driving system for rapidly increasing the action rate, which specifically comprises the following steps:

s1, if the pneumatic door is to be opened, the driving cylinder is started through the control panel, the driving cylinder extends, the push plate is driven to move leftwards, the transmission belt is driven to rotate anticlockwise around the surface of the roller, the two connecting blocks are driven to move away from each other, the two pneumatic doors are driven to move away from each other through the two connecting rods, the pneumatic door is opened at the moment, and if the pneumatic door is to be closed, the driving cylinder is started, and the driving cylinder retracts;

s2, if power failure occurs, when the driving cylinder cannot be used, the pneumatic door cannot be opened at the moment, the moving positioning gear can be pushed downwards to be separated from the fixed positioning gear, the rotary disc can be rotated at the moment, the rotary rod drives the driving gear to rotate, the annular gear piece is driven to rotate, the four arc-shaped grooves rotate simultaneously, the four pressure rods are far away from each other to drive the four resistance-increasing pads to be separated from the surface of the driving cylinder, the driving cylinder is separated from the push plate at the moment, and then the adjusting disc is rotated anticlockwise or the push plate is pushed leftwards to open the pneumatic door;

s3, if the transmission belt is loosened, the adjusting motor can be started, the bidirectional screw rod is driven to rotate, the first support and the second support are far away from each other to move, the two rollers are far away from each other to move, and the transmission belt is automatically tensioned.

Preferably, the adjusting motor in step S3 is a three-phase ac asynchronous motor.

Advantageous effects

The invention provides a pneumatic door driving system capable of rapidly increasing action speed and an operation method thereof. Compared with the prior art, the method has the following beneficial effects:

(1) the positioning mechanism comprises a hollow annular body fixed on the right side of a push plate, a semicircular hollow body is communicated above the outer surface of the hollow annular body, the inner wall of the hollow annular body is rotatably connected with an annular gear piece, an arc groove is formed in the inner surface of the annular gear piece, the positioning mechanism further comprises a rotating rod, the right end of the rotating rod sequentially penetrates through the push plate, the semicircular hollow body and extends to the inside of the semicircular hollow body, a driving gear meshed with the annular gear piece is fixed on the surface of the rotating rod, a fixed cylinder is fixed on the inner surface of the hollow annular body, a pressing rod is arranged inside the fixed cylinder, a sliding disc is fixed on the surface of the pressing rod, the surface of the sliding disc is slidably connected with the inner wall of the fixed cylinder, one end of the pressing rod sequentially penetrates through the fixed cylinder, the hollow annular body and is in contact with the inner wall of the arc groove, the surface cover of depression bar is equipped with reset spring, the other end of depression bar is fixed with the resistance-increasing pad, positioning mechanism still includes sliding connection at the left mobile location gear of push pedal and fixes at the left mounting panel of push pedal, the fixed surface of bull stick has fixed location gear, the left place ahead of mobile location gear all is fixed with the welding block with the rear, the place ahead and the rear at mounting panel top all are fixed with the spring beam, the top of two spring beams respectively with the bottom fixed connection of two welding blocks, the left end of bull stick is fixed with the carousel, setting through positioning mechanism, be convenient for separate the push pedal with driving actuating cylinder, the convenience is overhauld the cylinder.

(2) The pneumatic door driving system capable of rapidly increasing the action rate and the operation method thereof are characterized in that a driving cylinder is fixed at the top of a box body, a driving mechanism is arranged in the box body and comprises a first support which is slidably connected to the left side of the top of the inner wall of the box body and a second support which is slidably connected to the right side of the top of the inner wall of the box body, rollers are rotatably connected between two sides of the inner wall of the first support and the inner wall of the second support, a transmission belt is connected between the surfaces of the two rollers in a transmission manner, a push plate is fixed above the surface of the transmission belt, the top of the push plate penetrates through the box body and extends to the outside of the box body, connecting blocks are fixed below the front side and the back side of the transmission belt, connecting rods are fixed at the bottoms of the two connecting blocks, the bottom ends of the connecting rods sequentially penetrate through the box body and the square frame and extend to the inside of the square frame, and the bottom ends of the two connecting rods are respectively fixedly connected with the bottoms of the two pneumatic doors, the front of left side roller is fixed with the regulation pole, and the one end of keeping away from the roller of regulation pole runs through first support, box in proper order and extends to the outside of box, and the one end of keeping away from the roller of regulation pole is fixed with the adjustment disk, through actuating mechanism, positioning mechanism, adjustment disk, the cooperation of adjusting the pole, is convenient for when driving actuating cylinder and having a power failure, also can open pneumatic door smoothly, uses the limitation little.

(3) The pneumatic door driving system capable of rapidly increasing the action rate and the operation method thereof are characterized in that an adjusting motor is fixed on the left side of the inner wall of a box body, a bidirectional lead screw is fixed on an output shaft of the adjusting motor, the right end of the bidirectional lead screw sequentially penetrates through a first support, a push plate, a second support is rotatably connected with the right side of the inner wall of the box body, the inner walls of the first support and the second support are both in threaded connection with the surface of the bidirectional lead screw, a through hole matched with the bidirectional lead screw is formed in the left side of the push plate in a penetrating manner, the first support, the second support and the bidirectional lead screw are matched with each other, the distance between two rollers is convenient to adjust, and further the pneumatic door driving system can automatically tension a transmission belt, the transmission belt is prevented from loosening, and the opening of the pneumatic door is not influenced.

(4) According to the pneumatic door driving system capable of rapidly increasing the action rate and the operation method thereof, the grooves are formed in the bottoms of the two pneumatic doors, the idler wheels are installed on the inner walls of the grooves, the idler wheel grooves matched with the idler wheels are formed in the bottoms of the inner walls of the square frames, and through the cooperation of the idler wheels and the idler wheel grooves, when the pneumatic doors are conveniently positioned, the friction between the pneumatic doors and the square frames can be reduced, and the service lives of the pneumatic doors are prolonged.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;

FIG. 3 is an enlarged view of a portion of the present invention at B of FIG. 1;

FIG. 4 is a perspective view of the frame structure of the present invention;

FIG. 5 is a perspective view of the case structure of the present invention;

FIG. 6 is a perspective view of the pneumatic door construction of the present invention;

FIG. 7 is a right side view of a partial configuration of the push plate of the present invention;

FIG. 8 is a right sectional view of the hollow torus structure of the present invention;

FIG. 9 is a front cross-sectional view of the case structure of the present invention;

fig. 10 is a bottom view of the drive mechanism of the present invention.

In the figure: 1-U-shaped frame, 2-square frame, 3-pneumatic door, 4-box, 5-driving cylinder, 6-driving mechanism, 61-first support, 62-second support, 63-roller, 64-driving belt, 65-push plate, 66-connecting block, 67-connecting rod, 7-positioning mechanism, 701-hollow circular ring body, 702-semicircular hollow body, 703-annular gear sheet, 704-arc groove, 705-rotating rod, 706-driving gear, 707-fixed cylinder, 708-pressing rod, 709-sliding disk, 710-reset spring, 711-resistance-increasing pad, 712-moving positioning gear, 713-mounting plate, 714-fixed positioning gear, 715-welding block, 716-spring rod, 717-rotating disk, 8-section bar, 9-adjusting disk, 10-adjusting motor, 11-bidirectional screw rod, 12-through hole, 13-push plate groove, 14-adjusting rod groove, 15-first connecting rod groove, 16-second connecting rod groove, 17-groove, 18-roller, 19-roller groove, 20-baffle, 21-control panel and 22-support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: the utility model provides a promote pneumatic door actuating system of action speed fast, including U type frame 1, return shape frame 2, pneumatic door 3 and box 4, it fixes between the both sides and the bottom of U type frame 1 inner wall to return shape frame 2, pneumatic door 3 is provided with two, 3 symmetries of two pneumatic doors set up the both sides returning shape frame 2 inner wall bottom, box 4 passes through branch 22 to be fixed at the top of returning shape frame 2, the top of box 4 is fixed with and drives actuating cylinder 5, with external power source electric connection, and control through control panel 21, the inside of box 4 is provided with actuating mechanism 6, the top of box 4 is provided with positioning mechanism 7.

In the embodiment of the invention, the driving mechanism 6 comprises a first support 61 connected to the left side of the top of the inner wall of the box body 1 in a sliding manner and a second support 62 connected to the right side of the top of the inner wall of the box body 1 in a sliding manner, rollers 63 are rotatably connected between two sides of the inner walls of the first support 61 and the second support 62, a transmission belt 64 is connected between the surfaces of the two rollers 63 in a transmission manner, a push plate 65 is fixed above the surface of the transmission belt 64, the top of the push plate 65 penetrates through the box body 4 and extends to the outside of the box body 4, connecting blocks 66 are fixed below the front side and the back side of the transmission belt 64, connecting rods 67 are fixed at the bottoms of the two connecting blocks 66, the bottom ends of the connecting rods 67 sequentially penetrate through the box body 4 and the square frame 2 and extend to the inside of the square frame 2, and the bottom ends of the two connecting rods 67 are respectively fixedly connected with the bottoms of the two pneumatic doors 3.

In the embodiment of the invention, the positioning mechanism 7 comprises a hollow circular ring body 701 fixed on the right side of the push plate 65, a semicircular hollow body 702 is communicated above the outer surface of the hollow circular ring body 701, an annular gear piece 703 is rotatably connected to the inner wall of the hollow circular ring body 701, four arc-shaped grooves 704 are formed in the inner surface of the annular gear piece 703, the four arc-shaped grooves 704 are uniformly distributed on the inner surface of the annular gear piece 703, the four positioning mechanisms 7 further comprise a rotating rod 705, the right end of the rotating rod 705 sequentially penetrates through the push plate 65 and the semicircular hollow body 702 and extends to the inside of the semicircular hollow body 702, a driving gear 706 meshed with the annular gear piece 703 is fixed on the surface of the rotating rod 705, a fixing cylinder 707 is fixed on the inner surface of the hollow circular ring body 701, four fixing cylinders 707 are uniformly distributed on the inner surface of the hollow circular ring body 701, and a pressing rod 708 is arranged inside the four fixing cylinders 707.

In the embodiment of the invention, a sliding disc 709 is fixed on the surface of a pressing rod 708, the surface of the sliding disc 709 is connected with the inner wall of a fixed cylinder 707 in a sliding manner, one end of the pressing rod 708 sequentially penetrates through the fixed cylinder 707 and a hollow annular body 701 and is in contact with the inner wall of an arc-shaped groove 704, a return spring 710 is sleeved on the surface of the pressing rod 708, so that the pressing rod 708 is convenient to return, a resistance-increasing pad 711 is fixed at the other end of the pressing rod 708, so that friction is increased, and the whole push plate 65 is convenient to be fixed on the surface of a driving cylinder 5.

In the embodiment of the present invention, the positioning mechanism 7 further includes a moving positioning gear 712 slidably connected to the left side of the push plate 65 and a mounting plate 713 fixed to the left side of the push plate 65, a fixed positioning gear 714 is fixed to the surface of the rotating rod 705 and engaged with the moving positioning gear 712 to position the rotating rod 705, welding blocks 715 are fixed to the front and the rear of the left side of the moving positioning gear 712, spring rods 716 are fixed to the front and the rear of the top of the mounting plate 713, so as to press the moving positioning gear 712, so that the moving positioning gear 712 is engaged with the fixed positioning gear 714, the top ends of the two spring rods 716 are respectively fixedly connected to the bottoms of the two welding blocks 715, and a turntable 717 is fixed to the left end of the rotating rod 705.

In the embodiment of the invention, the surface of the driving cylinder 5 is fixedly connected with the push plate 65 through the positioning mechanism 7, the front surface of the left roller 63 is fixed with the adjusting rod 8, one end of the adjusting rod 8, far away from the roller 63, sequentially penetrates through the first bracket 61 and the box body 4 and extends to the outside of the box body 4, and one end of the adjusting rod 8, far away from the roller 63, is fixed with the adjusting disc 9.

In the embodiment of the invention, an adjusting motor 10 is fixed on the left side of the inner wall of a box body 4, is electrically connected with an external power supply and is controlled by a control panel 21, a bidirectional screw rod 11 is fixed on an output shaft of the adjusting motor 10, the right end of the bidirectional screw rod 11 sequentially penetrates through a first support 61, a push plate 65 and a second support 62 and is rotatably connected with the right side of the inner wall of the box body 4, the inner walls of the first support 61 and the second support 62 are in threaded connection with the surface of the bidirectional screw rod 11, and a through hole 12 matched with the bidirectional screw rod 11 is formed in the left side of the push plate 65 in a penetrating mode.

In the embodiment of the invention, the top of the box body 4 is provided with a push plate groove 13 matched with the push plate 65 in a penetrating way, the front of the box body 4 is provided with an adjusting rod groove 14 matched with the adjusting rod 8, the front and the rear of the bottom of the box body 4 are respectively provided with a first connecting rod groove 15 matched with the two connecting rods 67 in a penetrating way, and the front and the rear of the top of the rectangular frame 2 are respectively provided with a second connecting rod groove 16 matched with the two connecting rods 67 in a penetrating way.

In the embodiment of the invention, the bottoms of two pneumatic doors 3 are both provided with a groove 17, the inner wall of the groove 17 is provided with a roller 18, the bottom of the inner wall of the square-shaped frame 2 is provided with a roller groove 19 matched with the roller 18, two baffles 20 are fixed between the top and the bottom of the inner wall of the square-shaped frame 2, the two baffles 20 are symmetrically arranged by taking the midpoint of the square-shaped frame 2 as the center, and the left side of the U-shaped frame 1 is fixed with a control panel 21.

The invention also discloses an operation method of the pneumatic door driving system for rapidly increasing the action speed, which specifically comprises the following steps:

s1, if the pneumatic door 3 is to be opened, the driving cylinder 5 is started through the control panel 21, the driving cylinder 5 extends, the push plate 65 is driven to move leftwards, the transmission belt 64 is driven to rotate anticlockwise around the surface of the roller 63, the two connecting blocks 66 are driven to move away from each other, the two pneumatic doors 3 are driven to move away from each other through the two connecting rods 67, the pneumatic door 3 is opened at the moment, and if the pneumatic door 3 is to be closed, the driving cylinder 5 is started, and the driving cylinder 5 retracts;

s2, if power failure occurs, when the driving cylinder 5 cannot be used, the pneumatic door 3 cannot be opened at this time, the moving positioning gear 712 can be pushed downward, so that the moving positioning gear 712 is separated from the fixed positioning gear 714, at this time, the rotating disc 717 can be rotated, the rotating rod 705 drives the driving gear 706 to rotate, and further drives the ring gear plate 703 to rotate, at this time, the four arc-shaped grooves 704 rotate simultaneously, the four pressing rods 708 are away from each other, and further drives the four resistance increasing pads 711 to be separated from the surface of the driving cylinder 5, at this time, the driving cylinder 5 is separated from the push plate 65, and then the pneumatic door 3 can be opened by rotating the counterclockwise rotating adjusting disc 9 or pushing the push plate 65 leftward;

s3, if the transmission belt 64 loosens, the adjusting motor 10 can be started, the bidirectional screw rod 11 is driven to rotate, the first support 61 and the second support 62 move away from each other, the two rollers 63 move away from each other, and the transmission belt 64 can be automatically tensioned.

In the embodiment of the present invention, the adjustment motor 10 in step S3 is a three-phase ac asynchronous motor, which can realize forward and reverse rotation, and further can freely adjust the tightness of the transmission belt 64.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pneumatic door actuating system who promotes action speed fast, includes U type frame (1), returns shape frame (2), pneumatic door (3) and box (4), it fixes between the both sides and the bottom of U type frame (1) inner wall to return shape frame (2), pneumatic door (3) are provided with two, two pneumatic door (3) symmetry sets up in the both sides of returning shape frame (2) inner wall bottom, the top at shape frame (2) is fixed back in box (4) through branch (22), its characterized in that: a driving cylinder (5) is fixed at the top of the box body (4), a driving mechanism (6) is arranged in the box body (4), and a positioning mechanism (7) is arranged above the box body (4);

actuating mechanism (6) include sliding connection at the left first support (61) in box (1) inner wall top and sliding connection at second support (62) on box (1) inner wall top right side, all rotate between the both sides of first support (61) and second support (62) inner wall and be connected with roller (63), two the transmission is connected with driving belt (64) between the surface of roller (63), driving belt (64) top on surface is fixed with push pedal (65), the outside that box (4) and extend to box (4) is run through at the top of push pedal (65), the positive square of driving belt (64) and the below at the back all are fixed with even piece (66), two the bottom of even piece (66) all is fixed with connecting rod (67), the bottom of connecting rod (67) runs through box (4), returns shape frame (2) in proper order and extends to the inside that returns shape frame (2), the bottom ends of the two connecting rods (67) are respectively fixedly connected with the bottoms of the two pneumatic doors (3);

the positioning mechanism (7) comprises a hollow ring body (701) fixed on the right side of the push plate (65), a semicircular hollow body (702) is communicated above the outer surface of the hollow ring body (701), an annular gear piece (703) is rotatably connected to the inner wall of the hollow ring body (701), an arc-shaped groove (704) is formed in the inner surface of the annular gear piece (703), the positioning mechanism (7) further comprises a rotating rod (705), the right end of the rotating rod (705) sequentially penetrates through the push plate (65) and the semicircular hollow body (702) and extends to the inside of the semicircular hollow body (702), a driving gear (706) meshed with the annular gear piece (703) is fixed on the surface of the rotating rod (705), a fixing cylinder (707) is fixed on the inner surface of the hollow ring body (701), and a pressing rod (708) is arranged inside the fixing cylinder (707);

a sliding disc (709) is fixed on the surface of the pressing rod (708), the surface of the sliding disc (709) is in sliding connection with the inner wall of the fixed cylinder (707), one end of the pressing rod (708) sequentially penetrates through the fixed cylinder (707) and the hollow annular body (701) and is in contact with the inner wall of the arc-shaped groove (704), a return spring (710) is sleeved on the surface of the pressing rod (708), and a resistance-increasing pad (711) is fixed at the other end of the pressing rod (708); the surface of the driving cylinder (5) is fixedly connected with the push plate (65) through a positioning mechanism (7).

2. The pneumatic door drive system for rapid lift action rates of claim 1, wherein: positioning mechanism (7) still include sliding connection at push pedal (65) left side mobile location gear (712) and fix mounting panel (713) in push pedal (65) left side, the fixed surface of bull stick (705) has fixed location gear (714), mobile location gear (712) left place ahead and rear all are fixed with welding block (715), the place ahead and the rear at mounting panel (713) top all are fixed with spring bar (716), two the top of spring bar (716) respectively with the bottom fixed connection of two welding block (715), the left end of bull stick (705) is fixed with carousel (717).

3. The pneumatic door drive system for rapid lift action rates of claim 1, wherein: the surface that drives actuating cylinder (5) passes through positioning mechanism (7) and push pedal (65) fixed connection, the left side the front of roller (63) is fixed with adjusts pole (8), the outside that first support (61), box (4) and extend to box (4) are run through in proper order to the one end of keeping away from roller (63) in regulation pole (8), the one end that roller (63) were kept away from in regulation pole (8) is fixed with adjusting disc (9).

4. The pneumatic door drive system for rapid lift action rates of claim 1, wherein: the left side of box (4) inner wall is fixed with accommodate motor (10), the output shaft of accommodate motor (10) is fixed with two-way lead screw (11), the right-hand member of two-way lead screw (11) runs through first support (61), push pedal (65), second support (62) in proper order and rotates with the right side of box (4) inner wall to be connected, the inner wall of first support (61) and second support (62) all with the surface threaded connection of two-way lead screw (11), the left side of push pedal (65) is run through and is seted up through-hole (12) with two-way lead screw (11) looks adaptation.

5. The pneumatic door drive system for rapid lift action rates of claim 1, wherein: the top of box (4) runs through and sets up push pedal groove (13) with push pedal (65) looks adaptation, the regulation pole groove (14) with adjusting pole (8) looks adaptation are seted up in the front of box (4), the place ahead and the rear of box (4) bottom run through respectively and set up first connecting rod groove (15) with two connecting rod (67) looks adaptations, the place ahead and the rear at time of returning shape frame (2) top run through respectively and set up second connecting rod groove (16) with two connecting rod (67) looks adaptations.

6. The pneumatic door drive system for rapid lift action rates of claim 1, wherein: the bottom of two pneumatic door (3) all is seted up recess (17), gyro wheel (18) are installed to the inner wall of recess (17), return the bottom of shape frame (2) inner wall and seted up gyro wheel groove (19) with gyro wheel (18) looks adaptation, be fixed with baffle (20) between the top of shape frame (2) inner wall and the bottom, the left side of U type frame (1) is fixed with control panel (21).

7. A rapid lift rate pneumatic door actuation system as defined in any one of claims 1 to 6, wherein: the operation method comprises the following steps:

s1, if the pneumatic door (3) needs to be opened, the driving cylinder (5) is started through the control panel (21), the driving cylinder (5) extends, the push plate (65) is driven to move left, the transmission belt (64) is driven to rotate anticlockwise around the surface of the roller (63), the two connecting blocks (66) are driven to move away from each other, the two pneumatic doors (3) are driven to move away from each other through the two connecting rods (67), the pneumatic door (3) is opened at the moment, if the pneumatic door (3) needs to be closed, the driving cylinder (5) is started, and the driving cylinder (5) retracts;

s2, if power failure occurs, when the driving cylinder (5) cannot be used, the pneumatic door (3) cannot be opened at the moment, the movable positioning gear (712) can be pushed downwards to separate the movable positioning gear (712) from the fixed positioning gear (714), the rotary disc (717) can be rotated at the moment, the rotary rod (705) drives the driving gear (706) to rotate, the annular gear piece (703) is driven to rotate, the four arc-shaped grooves (704) rotate simultaneously, the four compression bars (708) are far away from each other, the four resistance-increasing pads (711) are driven to be separated from the surface of the driving cylinder (5), the driving cylinder (5) is separated from the push plate (65), and then the pneumatic door (3) can be opened by rotating the counterclockwise rotating adjusting disc (9) or pushing the push plate (65) leftwards;

s3, if the transmission belt (64) is loosened, the adjusting motor (10) can be started, the bidirectional screw rod (11) is driven to rotate, the first support (61) and the second support (62) move away from each other, the two rollers (63) move away from each other, and the transmission belt (64) can be automatically tensioned.

8. A method of operating a rapid rate of lifting pneumatic door drive system as claimed in claim 7, wherein: the adjusting motor (10) in the step S3 is a three-phase alternating current asynchronous motor.