CN110255427A - It is a kind of simply to lift auxiliary device with clamping function - Google Patents

Abstract

The invention discloses a simple lifting auxiliary device with a clamping function, which includes a frame body, a fixed bracket, a bearing, a side connecting lever, a telescopic rod, a transmission rod, a first baffle, a second baffle, and a supporting platform , clamping parts, transmission unit; both sides of the frame body are provided with concave chute; the concave chute on the same side is provided with 2 slidable bearings, and the bearings on the same side are connected by side pulleys; The side connecting plates on both sides are connected through the middle connecting plate; the two ends of the frame body are provided with a second baffle plate, wherein the second baffle plate at one end of the frame body is provided with a through hole; one end of the telescopic rod passes through the through hole It is connected with the intermediate connecting plate, and the other end is provided with a transmission unit; a support plate is provided above the frame body; the first baffle is arranged on the support plate and is located on one side of the transmission unit; a clamping part is provided on the supporting platform, The supporting platform is rotatably connected with the bearing through the transmission rod; the two ends of the bottom of the frame body are connected with the fixed bracket. The invention has a simple structure and can easily lift the switch structure.

Description

A simple lifting auxiliary device with clamping function

technical field

The invention relates to the field of power transmission line maintenance, and more specifically, relates to a simple lifting auxiliary device with a clamping function.

Background technique

In the maintenance of grid power, it is usually necessary to replace the heavy weight 10kV fixed switchgear switchgear. When the maintenance personnel reinstall, because the structure weight of the switch mechanism is heavy and it is difficult to lift, the maintenance personnel usually need to use sleepers or workbenches to carry out auxiliary lifting and use manpower to pull and push when reinstalling after maintenance. This installation method is difficult and dangerous. If the maintenance personnel use improper force when lifting the switch mechanism, accidents will easily occur, resulting in equipment damage and personal injury.

Contents of the invention

The present invention provides a simple lifting auxiliary device with a clamping function in order to solve the technical defects of the current secondary lifting and pulling out and pushing the switchgear of the fixed switchgear switch mechanism and the technical defect of the high risk factor. It has the characteristics of simple structure and can easily lift the switch mechanism of the fixed switch cabinet.

In order to achieve the above-mentioned purpose of the present invention, the technical solution adopted is as follows: a simple lifting auxiliary device with a clamping function, including a frame body, a fixed bracket, a bearing, a side connecting plate, an intermediate connecting plate, a telescopic rod, a transmission rod, The first baffle, the second baffle, the supporting platform, the clamping parts, and the transmission unit; both sides of the frame body are provided with concave chute; one side of the concave chute is provided with two slidable Bearings, and the two bearings are arranged one after the other, the distance between the two bearings is consistent with the length of the supporting platform; two bearings are symmetrically arranged in the concave chute on the other side; the bearings on the same side are fixed by the side connecting plate connection; the side connecting plates on both sides are fixedly connected through the middle connecting plate; the two ends of the frame body are provided with a second baffle plate, wherein the second baffle plate at one end of the frame body is provided with a through hole; the telescopic rod One end is fixedly connected to the middle connecting plate through the through hole, and the other end of the telescopic rod is connected to a power unit; a support plate is provided above the frame body; the first baffle plate is arranged on the support plate, and is connected with the transmission unit On the same side; the supporting platform is provided with a clamping part, and the supporting platform is rotatably connected to the bearing through the transmission rod; the two ends of the bottom of the frame body are fixedly connected to the fixed bracket.

Preferably, the clamping part includes several springs and a block with the same number of springs, one end of the spring is fixed on one side of the supporting platform, and the other end is connected to the block; the spring is connected to one end of the block It is arranged toward the center point of the supporting platform, and one end of the spring connected to the supporting platform is arranged on the supporting platform at equal intervals.

Further, the number of springs is four, and the number of blocks is four.

Preferably, the bearing is a rolling bearing.

Preferably, the fixed bracket is provided with a telescopic structure, and the telescopic structure can be set as a helical structure or a gas spring structure; the helical structure includes a base corresponding to a fixed leg, and one side of the base is provided with a threaded column; The bottom of the fixed leg corresponding to the base is provided with a threaded hole corresponding to the threaded column; the base is rotatably connected to the fixed leg corresponding to the base.

Preferably, the telescopic rod includes a spiral telescopic rod and a gas spring telescopic rod; the spiral telescopic rod includes a screw rod and a rod sleeve corresponding to the screw rod; the screw rod and the rod sleeve corresponding to the screw rod are set as Rotatable connection; one end of the screw rod is fixedly connected with the intermediate connecting plate, and the outer wall of the other end of the screw rod is provided with a thread; the inner end of the rod sleeve corresponding to the screw rod is provided with a thread corresponding to the thread on the outer wall of the screw rod. thread; the other end of the rod sleeve corresponding to the screw rod is connected with a transmission unit.

Furthermore, the transmission unit includes a manual transmission unit corresponding to the spiral telescopic rod, and an air pump or hydraulic pump corresponding to the gas spring telescopic rod.

Preferably, a stop post is provided at the bottom of the supporting platform; the stop post is located on a side away from the first baffle plate, and is located inside the connection between the transmission rod and the supporting platform.

Furthermore, the transmission rod is rotatably connected to the supporting platform and the bearing through hinge bolts.

Furthermore, a planar bearing is provided on one end of the supporting platform close to the first baffle.

The beneficial effects of the present invention are as follows: the present invention has a simple structure, uses the telescopic rod as the transmission device, rotates the transmission unit, and lifts the supporting platform through the bearing and the transmission rod, thereby realizing the lifting of the switch mechanism of the fixed switch cabinet.

Description of drawings

Fig. 1 is a structural diagram of a simple lifting auxiliary device with a clamping function.

Fig. 2 is a structural diagram of the connection between the bearing and the support platform through the transmission rod.

Figure 3 is a top view of the supporting platform.

In the figure: 1. frame body, 2. bearing, 3. telescopic rod, 4. transmission unit, 5. transmission rod, 6. fixed bracket, 7. second baffle plate, 8. supporting platform, 9. first gear Plate, 10. spring, 11. block, 12. side even pull, 13. stop column, 14. plane bearing, 15. support plate, 16. intermediate connecting plate.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example 1

As shown in Figure 1 and Figure 2, a simple lifting auxiliary device with a clamping function includes a frame body 1, a fixed bracket 6, a bearing 2, a side pulley 12, a telescopic rod 3, a transmission rod 5, a first Baffle plate 9, second baffle plate 7, supporting platform 8, clamping parts, transmission unit 4, intermediate connecting plate 16; both sides of the frame body 1 are provided with concave chute; the concave chute on one side There are 2 slidable bearings 2 arranged in the middle, and the 2 bearings 2 are set one after the other, the distance between the 2 bearings 2 is consistent with the length of the supporting platform 8; the concave chute on the other side is symmetrically set 2 bearings 2; the bearings 2 on the same side are fixedly connected through the side connecting plates 12; the side connecting plates 12 on both sides are fixedly connected through the middle connecting plate 16, so that the bearings 2 on both sides can move simultaneously. In this embodiment, 4 bearings are used in total. Two bearings 2, the two bearings 2 on the same side are fixedly arranged at the two ends of the side connecting plate 12; The plate 7 is provided with a through hole; one end of the telescopic rod 3 passes through the through hole and is fixedly connected with the intermediate connecting plate 16, and the end of the telescopic rod 3 protruding from the frame body is provided with a transmission unit 4; the top of the frame body 1 is provided with Support plate 15, the two ends of described support plate 15 are fixedly connected with the two ends second baffle plate 7 on the frame body 1, the width of described support plate 15 is equal to or slightly smaller than the width of the groove on both sides of frame body 1 The width of the groove on both sides of the frame body 1; the first baffle plate 9 is arranged on the support plate 15, and is on the same side as the transmission unit 4; the clamping part is arranged on the supporting platform 5, and the supporting The four corners of the platform 8 are rotatably connected to the bearing 2 through the transmission rod 5 respectively;

The clamping part includes several springs 10 and blocks 11 having the same number as the springs 10. One end of the springs 10 is fixedly arranged on one side of the support platform 8, and the other end is connected to the blocks 11; the springs 10 are connected with One end of the clamping block 11 is arranged towards the center point of the supporting platform 8 , and one end of the spring 10 connected to the supporting platform 8 is arranged on the supporting platform 8 at equal intervals.

As shown in Figure 3, the clamping part in this embodiment includes four springs 10 and four blocks 11, one end of the spring 10 is fixedly arranged at a corner of the supporting platform 8, and the other end is connected to the block 11; The four springs 10 are arranged diagonally. The switch mechanism of the fixed switch cabinet is placed on the support platform 8 , and the switch mechanism of the fixed switch cabinet can be fastened on the support platform 8 through the limit of the switch mechanism of the fixed switch cabinet by the spring 10 and the block 11 .

In this embodiment, in the process of lifting the switch mechanism of the fixed switch cabinet, since the bearing 2 is subjected to vertical downward pressure, the friction force it receives is relatively large, and it is not easy to move forward and backward. Therefore, the bearing 2 adopts a rolling bearing, and the rolling bearing can move forward and backward. Rolling, which converts sliding friction into rolling friction, can minimize the friction generated in the lifting process and make lifting easier.

In this embodiment, it is considered that in actual operations, the ground usually has unevenness. If the lengths of the fixed supports 6 are all the same, the supporting platform 8 will be inclined at this time, and the switch mechanism of the fixed switch cabinet will have a hidden danger of slipping, which will seriously affect the maintenance personnel. Security poses a great threat. Therefore, in order to eliminate the hidden danger of slipping in the switch mechanism of the fixed switch cabinet, the fixed bracket 6 is provided with a telescopic structure in this embodiment, and the length of the fixed bracket 6 is adjusted in the uneven ground to make the supporting platform 8 be placed horizontally. The fixed brackets 6 are arranged on the four corners of the frame body 1 .

In this embodiment, the telescopic structure of the fixed support 6 is set as a spiral structure, and the spiral structure includes a base and a fixed leg corresponding to the base, and one side of the base is provided with a threaded column; the bottom of the corresponding fixed leg of the base is provided with There are threaded holes corresponding to the threaded columns; the base is rotatably connected to the fixed feet corresponding to the base. By rotating the base, the distance between the base and the fixed feet is changed, so as to realize telescoping.

In this implementation, the telescopic rod 3 adopts a spiral telescopic rod, and the spiral telescopic rod includes a screw rod and a rod sleeve corresponding to the screw rod; the screw rod and the rod sleeve corresponding to the screw rod are arranged to be rotatably connected; One end of the screw rod is fixedly connected with the intermediate connecting plate 16, and the outer wall of the other end of the screw rod is provided with threads; the inside of one end of the rod sleeve corresponding to the screw rod is provided with threads corresponding to the threads on the outer wall of the screw rod; The screw rod described in the embodiment is provided with a raised thread, and the corresponding concave thread is arranged inside the rod cover; the other end of the rod cover corresponding to the screw rod is provided with a manual handle, and the manual handle is rotated to make the length of the telescopic rod 3 It will be shortened to make the middle connecting plate 16 move and drive the side connecting pull 12 to move. Thereby drive bearing 2 to move to one side of manual rocker. Described manual crank handle is used as power unit 4.

The transmission rod 5, the supporting platform 8, and the bearing 2 are all rotatably connected by hinge bolts, and the bearing 2 on the side far away from the second baffle plate 7 is provided with a through hole and the supporting platform 8 is far away from the side of the first baffle plate 9. One end is rotatably connected by a transmission rod 5 ; the bearing 2 on the side close to the second baffle 7 with a through hole is rotatably connected to the end of the support platform 8 close to the first baffle 9 by a transmission rod 5 .

When the bearing 2 moves forward towards the direction of the transmission unit 4, the transmission rod 5 drives the supporting platform 8 to move towards the first baffle 9. When the supporting platform 8 is close to the first baffle 9, since the bearing 2 continues to 4 directions of movement, due to the principle of force, the transmission rod 5 stands up, thereby lifting the support platform 8 against the first baffle plate 9 upward. In order to reduce the frictional force between the supporting platform 8 and the first baffle 9 , a planar bearing 14 is provided on the end of the supporting platform 8 close to the first baffle 9 .

When the transmission rod 5 is completely upright, in order to prevent the support platform 8 from turning over in the opposite direction, a stop post 13 is provided at the bottom of the support platform 8; One side, and located on the inner side of the connection between the transmission rod 5 and the supporting platform 8, the stop post 13 is arranged on the inner side close to the connection between the transmission rod 5 and the supporting platform 8, and the height of the stop post 13 is higher than that of the transmission The width of the rod 5 should be long; the height of the first baffle plate 9 should be higher than the height of the transmission rod 5 in the vertical direction.

As shown in Figure 1, Figure 2, and Figure 3, the working principle of a simple lifting auxiliary device with a clamping function in this embodiment is as follows:

1. After the personnel arrive at the designated position, place the device of this implementation under the switch mechanism of the fixed switch cabinet, and adjust the fixed bracket 6 so that the entire supporting platform 8 is placed horizontally.

2. Align the first baffle plate 9 with the side direction of the switch mechanism of the fixed switch cabinet, and then drive the telescopic rod 3 to shrink by rotating the transmission unit 4. When the telescopic rod 3 shrinks, it drives the side connecting lever 12 to make the bearing 2 direction The transmission unit 4 is pushed in the direction, so that the whole device is pushed in the direction of the transmission unit 4, and when the plane bearing 14 touches the first baffle plate 9, the transmission rod 5 stands up. After being completely upright, the stop post 13 will stop the support platform 8 from continuing to slide, and drive the support platform 8 upwards to approach the switch mechanism of the fixed switch cabinet. When the support platform 8 is close to the switch mechanism of the fixed switch cabinet, open the four The block block 11 makes the block 11 clamped to overhaul the switch mechanism of the fixed switch cabinet to prevent the switch mechanism of the fixed switch cabinet from slipping from the support platform 8 after dismounting.

3. After dismantling the switch, etc., and overhauling the switch mechanism of the fixed switch cabinet, put down the support platform 8 according to the above-mentioned opposite method, and send the switch mechanism of the fixed switch cabinet to the original position for installation in the same way after the maintenance.

Example 2

The telescopic structure of the fixed support 6 in this embodiment can also be set as a gas spring structure, and the gas spring structure includes a pressure cylinder, a piston rod, a piston, a sealing guide sleeve, a filler (inert gas or an oil-gas mixture), and the cylinder The control element and the external control element (referring to the controllable gas spring) and joints, etc. The principle is to fill the closed pressure cylinder with an inert gas or an oil-gas mixture, so that the pressure in the cavity is several times or dozens of times higher than the atmospheric pressure, and the pressure difference generated by the cross-sectional area of the piston rod is smaller than that of the piston. To realize the movement of the piston rod.

The telescopic rod 3 can also adopt a gas spring telescopic rod, the gas spring telescopic rod pressure cylinder, piston rod, piston, sealing guide sleeve, filler (inert gas or oil-gas mixture), the control element in the cylinder and the control outside the cylinder Components (referring to controllable gas springs) and joints, etc.; the joints are connected to the air pump or hydraulic pump corresponding to the gas spring telescopic rod, used to provide power to the gas spring, and can also provide power to the gas spring structure on the fixed bracket 6 Provide power.

Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. All modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (10)

1. A simple lifting auxiliary device with a clamping function, characterized in that it includes a frame body (1), a fixed bracket (6), a bearing (2), a side lever (12), and a telescopic rod (3) , transmission rod (5), first baffle plate (9), second baffle plate (7), supporting platform (8), clamping parts, transmission unit (4), intermediate connecting plate (16); the frame Both sides of the body (1) are provided with concave chute; two slidable bearings (2) are arranged in the concave chute on one side, and the two bearings (2) are set one after the other, and the two bearings The distance between (2) is consistent with the length of the supporting platform (8); two bearings (2) are arranged symmetrically in the concave chute on the other side; the bearings (2) on each side pass through the side connecting pulley (12) fixed connection; the side connecting plates (12) on both sides are fixedly connected through the intermediate connecting plate (16); the two ends of the frame body are provided with second baffles (7), wherein the second baffle plate (7) at one end of the frame body (1) The second baffle (7) is provided with a through hole; one end of the telescopic rod (3) is fixedly connected to the middle connecting plate (16) through the through hole, and the other end of the telescopic rod (3) is connected with a power unit (4); A support plate (15) is provided above the frame body (1); the first baffle plate (9) is arranged on the support plate (15), and is on the same side as the transmission unit (4); the support A clamping part is arranged on the platform (8), and the supporting platform (8) is rotatably connected to the bearing (2) through the transmission rod (5) respectively; ) fixed connection. 2. The simple lifting auxiliary device with clamping function according to claim 1, characterized in that: the clamping part includes several springs (10), and blocks (11) with the same number as the springs (10) ), one end of the spring (10) is fixedly arranged on one side of the support platform (8), and the other end is connected to the block (11); the end of the spring (10) connected to the block (11) faces the support platform (8) The central point is set, and one end of the spring (10) connected to the support platform (8) is arranged on the support platform (8) at equal intervals. 3. The simple lifting auxiliary device with clamping function according to claim 2, characterized in that: the number of said springs is 4, and the number of said clamping blocks is 4. 4. The simple lifting auxiliary device with clamping function according to claim 1, characterized in that: the bearing (2) is a rolling bearing. 5. The simple lifting auxiliary device with clamping function according to claim 1, characterized in that: the fixed bracket (6) is provided with a telescopic structure, and the telescopic structure can be set as a spiral structure or a gas spring structure The spiral structure includes a base corresponding to the base, and one side of the base is provided with a threaded column; the bottom of the fixed base corresponding to the base is provided with a threaded hole corresponding to the threaded column; the base corresponds to the base The fixed legs are rotatably connected. 6. The simple lifting auxiliary device with clamping function according to claim 1, characterized in that: the telescopic rod (3) includes a spiral telescopic rod and a gas spring telescopic rod; the spiral telescopic rod includes Screw rod and the rod sleeve corresponding to the screw rod; the screw rod and the rod sleeve corresponding to the screw rod are set to be rotatably connected; one end of the screw rod is fixedly connected with the intermediate connecting plate 16, and the outer wall of the other end of the screw rod Threads are provided; one end of the rod sleeve corresponding to the screw rod is provided with a thread corresponding to the thread on the outer wall of the screw rod; the other end of the rod sleeve corresponding to the screw rod is connected to a transmission unit (4). 7. The simple lifting auxiliary device with clamping function according to claim 6, characterized in that: the transmission unit (4) includes a manual transmission unit corresponding to the spiral telescopic rod, and a manual transmission unit corresponding to the gas spring telescopic rod air pump or hydraulic pump. 8. The simple lifting auxiliary device with clamping function according to claim 1, characterized in that: the bottom of the support platform (8) is provided with a stop post (13); the stop post ( 13) It is located on the side away from the first baffle (9), and on the inner side of the connection between the transmission rod (5) and the supporting platform (8). 9. The simple lifting auxiliary device with clamping function according to claim 8, characterized in that: the transmission rod (5), supporting platform (8) and bearing (2) are all rotatable through hinge bolts connect. 10. The simple lifting auxiliary device with clamping function according to claim 9, characterized in that: a plane bearing (14) is provided on the end of the supporting platform (8) close to the first baffle (9) ).