CN108385529A - Bent cap framework of steel reinforcement assembly jig - Google Patents

Abstract

The invention relates to an assembly platform for a steel bar frame of a cover beam, comprising a first rail and a second rail arranged at intervals, and a first flat car and a second flat car that can move along the first rail and the second rail respectively, An overturning platform is connected between the first flat car and the second flat car, and the middle parts of the two ends in the length direction of the overturning platform are respectively fixedly connected with a first rotating shaft and a second rotating shaft, and the first rotating shaft is rotationally connected with the first flat car. The two rotating shafts are rotatably connected with the second flat car, and the first motor that drives the first rotating shaft to rotate is provided on the first flat car; the top of the turning platform is respectively provided with fixed As for the baffle, several clamping devices for cooperating with the fixed baffle to clamp the steel bars are also arranged on the turning platform. The steel frame assembling platform provided by the present invention realizes the semi-automatic operation of steel frame assembly, saves manpower, improves efficiency, and reduces the safety risk of the traditional cover beam steel frame assembly operation.

Description

Cover beam reinforced skeleton assembly table

technical field

The invention relates to the technical field of splicing steel bar skeletons of cover beams, in particular to an assembling platform for steel bar skeletons of cover beams.

Background technique

The cover beam refers to the beam set on the top of the bent pile pier for supporting, distributing and transmitting the load of the superstructure. In the bridge structure, the cover beam on the top of the bridge pier supports the upper structure of the bridge and transfers all the loads to the lower structure. The cover beam on the top of the bridge pier is a reinforced concrete structure, which is formed by prefabricating the steel skeleton and pouring concrete on site.

At present, when assembling the steel frame of the cover beam, it is usually necessary for one person to clamp and fix the weld seam of the steel bar, another person to weld the steel bar, and then turn the frame over and weld the opposite side; the weight of a piece of cover beam frame is about 300kg, and it usually requires the cooperation of multiple people to assemble it. Skeleton flipping is time-consuming, labor-intensive, and inefficient, and workers often have fingers or toes pinched during the flipping of the skeleton sheet, which poses a great safety hazard.

Contents of the invention

Aiming at the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a cover beam steel frame assembly platform to realize the semi-automatic operation of steel frame assembly, save manpower, improve efficiency, and reduce the cost of traditional cover beam steel frame assembly operations. Security Risk.

In order to solve the above-mentioned technical problems, the cap beam steel frame assembly platform of the present invention includes a first rail and a second rail arranged at intervals, and a first flat car and a second rail that can move along the first rail and the second rail respectively. Two flat cars; a turning platform is connected between the first flat car and the second flat car, and the middle parts of the two ends in the length direction of the turning platform are respectively fixedly connected with a first rotating shaft and a second rotating shaft, and the first rotating shaft and the second rotating shaft The first flat car is rotatably connected, the second rotating shaft is rotatably connected to the second flat car, and a first motor for driving the first rotating shaft to rotate is arranged on the first flat car; the overturning Fixed baffles are respectively provided on both sides of the top of the platform along its width direction, and several clamping devices for cooperating with the fixed baffles to clamp the steel bar are also arranged on the turning platform.

When assembling the steel frame, the workers place the steel bars on the flipping platform and assemble them into the required frame shape. After the assembly is completed, the two ends of the width direction of the frame are respectively against the fixed baffles on both sides of the flipping platform. Then control the clamping device to move in the direction of the fixed baffle and clamp the steel bar to be welded. At this time, the worker can use the welding equipment to weld the front of the skeleton. After the welding is completed, the first motor is controlled to work so that the first rotating shaft Rotate so that the overturning platform rotates around the first and second shafts. When the overturning platform turns over 180 degrees, the first motor is controlled to stop running, and then the overturning platform is transported to the skeleton stacking by the first flat car and the second flat car Position and release the clamping device. At this time, the steel frame is dropped on the frame stacking place with the reverse side facing up, and the workers can weld the back of the frame here to complete the assembly of the steel frame; A total of 7 people in the combined class can complete the assembling work of the steel frame of the cover beam, while using the steel frame assembling platform provided by the present invention, only 4 people can complete the assembling work, and the assembling efficiency is 30% higher than that of the traditional assembling method about. It can be seen that the steel frame assembly platform provided by the present invention realizes the semi-automatic operation of steel frame assembly, saves manpower, improves efficiency, and reduces the safety risk of traditional cap beam steel frame assembly operations.

Preferably, the clamping device includes a sequentially connected cylinder, a transmission rod, a push rod and a movable baffle; the cylinder is connected to the bottom of the turning platform, and one end of the transmission rod is hinged to the cylinder rod of the cylinder, The other end is hinged with the push rod; the bottom of the turning platform is provided with a fixed shaft, and the middle part of the transmission rod is sleeved on the fixed shaft. In the present invention, the cylinder is arranged at the bottom of the turning platform so as not to occupy the steel bar assembly position on the top of the turning platform, and by means of the swing of the transmission rod, the telescopic movement of the cylinder rod is converted into the telescopic movement of the push rod, and the push rod drives the movement The baffle clamps or releases the bars to be welded.

Preferably, the front end of the movable baffle is in a concave trapezoidal shape, so that when the steel bar is clamped, the steel bar is confined in the concave trapezoidal groove to prevent the steel bar from sliding.

Preferably, the push rod includes a push rod and a sleeve, the front end of the push rod is connected to the movable baffle, the end of the push rod is screwed to the front end of the sleeve, and the end of the sleeve is connected to the movable baffle. The transmission rod is hinged. The push rod is designed as a threaded connection between the push rod and the sleeve, and the length of the push rod can be adjusted by screwing in or out of the push rod, so as to compensate when the stroke of the cylinder is insufficient.

Preferably, the clamping device further includes a guide device, the guide device includes two bolts arranged at intervals on the top of the turning platform, rubber sleeves are sleeved on the outer circumference of the two bolts, and the rubber sleeves are clamped on the bolt heads. and the overturning platform; the ejector rod is clamped between the two bolts, and the outer periphery of the ejector rod is in contact with the rubber sleeve. The guide device can limit the left and right position of the ejector rod to prevent the ejector rod from shaking left and right during the telescopic process. In addition, the setting of the rubber sleeve can effectively prevent the ejector rod from being worn.

Preferably, the fixed baffle is an angle steel; the top of the turning platform is provided with several strip holes along the two sides of its width direction, the length direction of the strip holes is consistent with the width direction of the turning platform, the The angle steel is connected at the strip hole by bolts. When assembling, the distance between the angle steels on both sides of the flip platform can be adjusted according to the needs to match the size of different steel skeletons.

Preferably, both the first flat car and the second flat car include a base and a lifting platform, and the lifting platform is connected to the base through a lifting mechanism; a bearing seat is provided on the top of the lifting platform, and the first rotating shaft and the second rotating shaft are respectively connected with corresponding bearing seat bearings; the first motor is also provided on the lifting platform of the first flat car, and the output shaft end of the first motor is provided with a driving sprocket, and the first A driven sprocket is arranged on the rotating shaft, and the driving sprocket and the driven sprocket are connected by a chain. The length of the steel bar frame of the cover beam can reach 18m, and the width is generally 1.7m. The height to meet the turning needs of the turning platform is at least 90cm, which is not convenient for manual work. Therefore, the present invention connects the turning platform to the lifting platform so that workers can Carry out the assembly and welding of the steel skeleton at the lowest position, and then raise the turning platform and turn it over.

Preferably, a roller is provided at the bottom of the base, and the roller can roll along the first track or the second track, and a second motor is provided on the base to drive the roller to roll.

Preferably, the turning platform includes several steel plates of different lengths, and two adjacent steel plates are connected by bolts; the first rotating shaft and the second rotating shaft are respectively fixedly connected under the steel plates on both sides of the turning platform in the length direction . The overturning platform is designed as a form of multi-piece steel plate bolted connection. In practice, according to different project needs, corresponding steel plates can be selected to be removed or installed to obtain a matching overturning platform size, and to expand the capacity of the cap beam steel frame assembly platform of the present invention. application range.

Preferably, a skeleton stacking platform is provided between the first rail and the second rail, and the distance between the skeleton stacking platform and the turning platform needs to meet the requirements for the skeleton to fall from the turning platform to the skeleton stacking platform. The height is less than 5cm. The skeleton that has been welded on the front can be placed on the skeleton stacking platform, and then the back welding of the skeleton can be completed on the skeleton stacking platform; in addition, the drop height should be less than 5cm to prevent the skeleton from cracking during the fall.

Description of drawings

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the specific embodiments or the prior art. Throughout the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, elements or parts are not necessarily drawn in actual scale.

Fig. 1 is the structural representation of cap beam reinforcement frame assembling platform of the present invention;

Fig. 2 is the structural representation of the first flat car of the present invention;

Fig. 3 is the schematic diagram of P direction in Fig. 2;

Fig. 4 is the structural representation of the base of the first flat car of the present invention;

Fig. 5 is a structural schematic diagram of the assembled state of the turning platform of the present invention;

Fig. 6 is a schematic structural view of the clamping device of the present invention.

Reference signs:

1-first track; 2-second track; 3-first flat car; 4-second flat car; 5-turning platform; 6-fixed baffle; 7-clamping device; 8-frame stacking platform; 9 - gas shielded welding machine;

31-base; 32-lifting platform; 33-lifting mechanism; 41-bearing seat; 51-first rotating shaft; 52-second rotating shaft; 53-strip hole; 54-fixed shaft; 71-cylinder; 72-transmission rod ; 73-push rod; 74-movable baffle; 75-bolt; 76-rubber sleeve;

311-longitudinal beam; 312-beam; 313-roller; 321-first motor; 322-bearing seat; 331-outer shear arm; 332-inner shear arm; 333-first cross bar; 335-hydraulic cylinder; 731-ejector; 732-sleeve.

Detailed ways

Embodiments of the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only examples, rather than limiting the protection scope of the present invention.

As shown in Figure 1, the cap beam reinforced skeleton assembling platform of the present embodiment includes a first rail 1 and a second rail 2 arranged at intervals, the first rail 1 and the second rail 2 respectively include two steel rails, and also include The first flat car 3 and the second flat car 4 moving along the first track 1 and the second track 2 are connected with an overturning platform 5 between the first flat car 3 and the second flat car 4, and the overturning platform 5 is used for In the assembled steel skeleton, a first rotating shaft 51 and a second rotating shaft 52 are respectively welded in the middle of the two ends of the turning platform 5 in the length direction. Two flat cars are connected by 4 rotations.

Specifically, with reference to Fig. 2, Fig. 3 and Fig. 4, the above-mentioned first flat car 3 includes a base 31 and a lifting platform 32, and the lifting platform 32 is connected with the base 31 through a lifting mechanism 33, wherein the base 31 includes two longitudinal beams 311 and connecting For some beams 312 between the two longitudinal beams 311, two rollers 313 are respectively arranged at the bottoms of the two longitudinal beams 311. The second motor (not shown) that drives wherein a group of roller 313 rolls; The arms 332 are arranged in pairs on both sides of the first flat car 3, and the middle parts of the outer scissor arm 331 and the inner scissor arm 332 of the same side are hinged together, and the two ends of the outer scissor arm 331 and the inner scissor arm 332 are respectively connected to the lift Platform 32 and base 31 are hinged, and first cross bar 333 is connected between two outer scissor arms 331, and second cross bar 334 is connected between two inner scissor arms 332, and first cross bar 333 and second cross bar 334 are connected with each other. A hydraulic cylinder 335 is connected between the rods 334, the piston rod end of the hydraulic cylinder 335 is connected with the second crossbar 334, and the cylinder end is connected with the first crossbar 333, which is used to drive the lifting table 32 to move up and down; The top of the lifting platform 32 of the car 3 is provided with a first motor 321, the output shaft of the first motor 321 is connected with the driven sprocket on the first rotating shaft 51 through a driving sprocket, a chain, to drive the first rotating shaft 51 to rotate, Two bearing seats 322 supporting the first rotating shaft 51 are arranged on the top of the lifting platform 32 , and the first rotating shaft 51 is bearing-connected with the bearing seats 322 .

In the present embodiment, the structure of the second flat car 4 and the first flat car 3 is basically the same, and the only difference is that the top of the first flat car 3 is provided with a driving device (motor, sprocket and chain) that drives the first rotating shaft 51 to rotate. etc.), and the top of the second flat car 4 is only provided with the bearing seat 41 that is bearing-connected with the second rotating shaft 52 .

As shown in Fig. 1 and Fig. 5, the both sides of the width direction of above-mentioned overturning platform 5 are provided with fixed baffle 6, and this fixed baffle 6 is angle steel, and the top of overturning platform 5 is provided with several strips along the both sides of its width direction. shape hole 53, the length direction of the strip hole 53 is consistent with the width direction of the turning platform 5, and the fixed baffle plate 6 is connected to the strip hole 53 by bolts. During use, workers can Adjust the distance between the two fixed baffles 6, then place the reinforcing bars on the overturning platform 5 and assemble them into the required cover beam skeleton shape, and the steel bars at the two ends of the width direction of the assembled cover beam skeleton lean against respectively On the fixed baffles 6 on both sides, several clamping devices 7 for cooperating with the fixed baffles 6 to clamp the reinforcing bars are also arranged on the turning platform 5, so as to carry out the welding operation after the reinforcing bars are clamped. It should be noted that Figure 5 only shows a schematic diagram of the assembly of a cap beam steel skeleton. In practice, the structure of the cap beam steel skeleton is varied, and the positions for clamping and welding of each kind of skeleton are also different. Therefore, , the layout of the clamping device 7 can be carried out according to the actual situation, as long as it meets the requirements of clamping steel bars.

Specifically, as shown in Figure 6, the above-mentioned clamping device 7 includes a cylinder 71, a transmission rod 72, a push rod 73 and a movable baffle 74 connected in sequence, wherein the cylinder 71 is connected to the bottom of the turning platform 5, and the transmission rod 72 One end is hinged with the cylinder rod of the cylinder 71, the other end is hinged with the push rod 73, and the bottom of the turning platform 5 is provided with a fixed shaft 54, and the middle part of the transmission rod 72 is sleeved on the fixed shaft 54. The expansion and contraction of the rod, the transmission rod 72 swings around the fixed shaft 54, thereby driving the push rod 73 to perform telescopic movement, and finally the push rod 73 drives the movable baffle 74 to clamp or release the steel bar to be welded, the front end of the movable baffle 74 It is in a concave trapezoidal shape, so that when the steel bar is clamped, the steel bar is limited in the concave trapezoidal groove to prevent the steel bar from sliding.

Further, the push rod 73 includes a push rod 731 and a sleeve 732, the front end of the push rod 731 is connected to the movable baffle 74, the end of the push rod 731 is screwed to the front end of the sleeve 732, and the end of the sleeve 732 is connected to the transmission rod 72 hinged, during work, the worker can adjust the length of the push rod 73 by screwing the push rod 731 in or out, so as to compensate when the stroke of the cylinder 71 is insufficient, so as to adapt to more steel skeletons of different sizes assembly needs.

Further, the above-mentioned clamping device 7 also includes a guiding device, which includes two bolts 75 (only one is shown in Fig. 6 ) arranged at the top of the turning platform 5 at intervals, and the outer peripheries of the two bolts 75 are evenly sleeved. A rubber sleeve 76 is provided, and the rubber sleeve 76 is sandwiched between the bolt head and the turning platform 5. The above-mentioned ejector rod 731 is clamped between the two bolts 75, and the outer periphery of the ejector rod 731 is in contact with the rubber sleeve 76 to prevent the Rod 731 shakes from side to side during telescopic process, because the weight of ejector rod 731 is bigger, generally can not occur the situation of bouncing up and down in practice, but, if jumping situation occurs in actual application, also can be in ejector rod The top of 731 is provided with clamping piece, to limit the degree of freedom that push rod 731 jumps upwards.

In addition, as shown in Figure 1, a skeleton stacking platform 8 is provided between the above-mentioned first track 1 and the second track 2, and the skeleton stacking platform can be constructed by section steel combined with steel plates. Assembling and welding the skeleton, and then turn on the hydraulic cylinder 335 to drive the lifting mechanism 33 to move, so that the lifting platform 32 rises to a height sufficient to turn over the platform 5 by 180 degrees, and then turn on the first motor 321 to drive the first rotating shaft 51 to rotate and turn over The platform 5 is turned 180 degrees. After the turn is in place, the hydraulic oil cylinder 335 is controlled to drive the lifting table 32 to fall back to the lowest position, and then the second motor is turned on to drive the first flat car 3 (the second flat car 4) on the first track 1 ( The second track 2) slides up so that the turning platform 5 faces the skeleton stacking platform 8. At this time, the clamping device 7 is controlled to release the skeleton steel bars. 8, at this moment, the worker can carry out the welding work on the reverse side on the skeleton stacking platform 8, in order to prevent the cover beam skeleton from being damaged in the process of falling, in this embodiment, the height of the skeleton stacking platform 8 needs to meet the requirements of the skeleton reinforcement The height of falling from the turning platform 5 is less than 5cm.

In practice, a plurality of gas shielded welding machines 9 can be installed at the assembling platform of the steel bar frame of the cover beam, so as to facilitate workers to complete the front and back welding work of the frame on the turning platform 5 and the frame stacking platform 8 .

In the present embodiment, the above-mentioned overturning platform 5 is formed by connecting several steel plates of different lengths with bolts, and the length of the steel plates can be 6m or 3m. The rotating shaft 51 and the second rotating shaft 52, that is to say, in practice, only the steel plates on both sides of the turning platform 5 are fixed components, and the remaining steel plates can be increased or decreased according to actual project needs to match different cover beam frame sizes.

It should be noted that the thickness of the steel plate forming the turning platform 5 is generally 1cm, because the length of the turning platform 5 is longer (up to 18m), therefore, in order to improve the rigidity of the turning platform 5 and prevent the turning platform 5 from bending deformation, you can Add some shaped steels at the bottom of the turning platform 5, and the specific shaped steel arrangement can be reasonably designed as required, as long as the rigidity requirements of the turning platform 5 are met; connect.

In addition, a movable bolt (not shown) can also be set at the bottom of the turning platform 5, and the moving bolt is sandwiched between the turning platform 5 and the tops of the first flat car 3 and the second flat car 4, so as to turn over When the platform 5 is in a horizontal state, it supports the turning platform 5 and reduces the stress on the first rotating shaft 51 and the second rotating shaft 52 . The above-mentioned movable latch can be a long rod built on the top of the first flat car 3 and the second flat car 4. When the turning platform 5 is overturned, the worker removes the long rod, and when the flip is in place, the long rod is clamped on the Between the turning platform 5 and the first flat car 3 and the second flat car 4.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. It should be included within the scope of the claims and description of the present invention.

Claims (10)

1. A cover beam reinforced skeleton assembly platform, characterized in that: It includes a first rail (1) and a second rail (2) arranged at intervals, and a first flat car (3) and a second flat car (3) that can move along the first rail (1) and the second rail (2) respectively. flat car (4); An overturning platform (5) is connected between the first flat car (3) and the second flat car (4), and the middle parts of both ends in the length direction of the overturning platform (5) are fixedly connected with first rotating shafts (51) respectively. and the second rotating shaft (52), the first rotating shaft (51) is rotationally connected with the first flat car (3), the second rotating shaft (52) is rotationally connected with the second flat car (4), And a first motor (321) for driving the first rotating shaft (51) to rotate is provided on the first flat car (3); The top of the turning platform (5) is respectively provided with fixed baffles (6) along the both sides of its width direction, and the described turning platform (5) is also provided with several for cooperating with the fixed baffles (6). With the clamping device (7) of clamping steel bar. 2. The assembling platform of the cap beam reinforcement skeleton according to claim 1, characterized in that: The clamping device (7) includes a cylinder (71), a transmission rod (72), a push rod (73) and a movable baffle (74) connected in sequence; The cylinder (71) is connected to the bottom of the turning platform (5), one end of the transmission rod (72) is hinged with the cylinder rod of the cylinder (71), and the other end is hinged with the push rod (73); The bottom of the turning platform (5) is provided with a fixed shaft (54), and the middle part of the transmission rod (72) is sleeved on the fixed shaft (54). 3. The cover beam reinforcement frame assembly platform according to claim 2, characterized in that: The front end surface of the movable baffle (74) is concave trapezoidal. 4. The cover beam reinforcement frame assembly platform according to claim 2, characterized in that: The push rod (73) includes a push rod (731) and a sleeve (732), the front end of the push rod (731) is connected to the movable baffle (74), and the end of the push rod (731) is connected to the The front end of the sleeve (732) is threaded, and the end of the sleeve (732) is hinged with the transmission rod (72). 5. The assembling platform of the cap beam reinforced skeleton according to claim 4, characterized in that: The clamping device (7) also includes a guiding device, the guiding device includes two bolts (75) spaced on the top of the turning platform (5), and the outer circumferences of the two bolts (75) are provided with rubber sleeves. (76), the rubber sleeve (76) is sandwiched between the bolt head and the turning platform (5); The push rod (731) is clamped between the two bolts (75), and the outer circumference of the push rod (731) is in contact with the rubber sleeve (76). 6. The cover beam steel frame assembly platform according to claim 1, characterized in that: The fixed baffle (6) is an angle steel; The top of the turning platform (5) is provided with some strip holes (53) along the both sides of its width direction, and the length direction of the strip holes (53) is consistent with the width direction of the turning platform (5), so Above-mentioned angle steel is connected at this strip hole (53) place by bolt. 7. The cover beam steel frame assembly platform according to claim 1, characterized in that: The first flat car (3) and the second flat car (4) all include a base (31) and a lifting platform (32), and the lifting platform (32) is connected to the base (31) by a lifting mechanism (33) connect; The top of the lifting platform (32) is provided with a bearing seat (322, 41), and the first rotating shaft (51) and the second rotating shaft (52) are respectively connected to the corresponding bearing seat (322, 41); The lifting platform (32) of the first flat car (3) is also provided with the first motor (321), the output shaft end of the first motor (321) is provided with a driving sprocket, and the first rotating shaft (51) is provided with driven sprocket, and described driving sprocket and driven sprocket are connected by chain. 8. The cover beam steel frame assembly platform according to claim 7, characterized in that: The bottom of the base (31) is provided with a roller (313), the roller (313) can roll along the first track (1) or the second track (2), and is set on the base (31) There is a second motor driving the roller (313) to roll. 9. The cover beam steel frame assembly platform according to claim 1, characterized in that: The turning platform (5) includes several steel plates of different lengths, and two adjacent steel plates are connected by bolts; The first rotating shaft (51) and the second rotating shaft (52) are respectively fixedly connected under the steel plates located on both sides in the longitudinal direction of the turning platform (5). 10. The cover beam steel frame assembly platform according to claim 1, characterized in that: A skeleton stacking platform (8) is arranged between the first track (1) and the second track (2), and the distance between the skeleton stacking platform (8) and the turnover platform (5) needs to satisfy the requirement that the skeleton can be turned over from The drop height from the platform (5) to the skeleton stacking platform (8) is less than 5cm.