CN219058465U - Protective device of liftable support - Google Patents

Abstract

The utility model discloses a protective device of a lifting support, which is distributed around a lifting plate and comprises a mounting frame and a swinging grid, wherein the mounting frame is mounted on the lifting plate, the swinging grid is arranged on the mounting frame, the mounting frame is symmetrically arranged on two sides of the swinging grid, the swinging grid is arranged on the mounting frame on one side of the swinging grid in a swinging way, and a locking mechanism for preventing the swinging grid from swinging is arranged between the swinging grid and the mounting frame on the other side of the swinging grid. The application has the effect of being convenient for the staff to step on the lifter plate.

Description

Protective device of liftable support

Technical Field

The utility model relates to the field of lifting conveying equipment, in particular to a protective device of a lifting bracket.

Background

In the engineering construction process, the first working procedure of the prestress construction is to perform blanking and rope threading of the steel strand, and particularly in the high-speed railway construction process, in order to improve the rope threading efficiency of the steel strand, a rope threading machine is generally adopted to perform rope threading. In the use of the beam threading machine, in order to enable the beam threading machine to penetrate into steel strands in a rope threading hole at a higher position, the beam threading machine is generally fixedly arranged on a lifting plate of a lifting support, so that a worker can conveniently operate the beam threading machine and often ascend along with the beam threading machine when ascending on the lifting plate.

The utility model discloses a lifting platform for civil engineering, which comprises a bottom plate, wherein the top end of the bottom plate is fixedly connected with support columns, buffer springs, a motor and a NUC controller, the support columns are distributed on the top end of the bottom plate in an array mode, the motor is located on one side of the support columns, one side of the motor is connected with a driving runner, the top end of the support column is provided with a top runner, a traction rope is sleeved on the outer side of the driving runner, the traction rope is sleeved on the outer side of the top runner and the driving runner, the tail ends of the traction rope are connected with lifting plates, roller frames are fixedly connected with the two sides of the lifting plates, the inner sides of the roller frames are rotationally connected with rollers through rotating shafts, the top ends of the lifting plates are fixedly connected with fence frames and fixing grooves, the fence frames are located on one side of the fixing grooves, the inner sides of the fence frames are rotationally connected with first fences through rotating shafts, the tail ends of the first fences are rotationally connected with second fences through hinges, the tail ends of the second fences are rotationally connected with third fences through hinges, and the tail ends of the third fences are located on the inner sides of the fixing grooves.

To above-mentioned correlation technique, in order to protect the staff on the lifter plate, installed the rail around the lifter plate, but when the staff need step on the lifter plate, often need to cross or stride across the rail and just can step on the lifter plate, it is comparatively inconvenient.

Disclosure of Invention

In order to facilitate a worker to climb up the lifting plate, the application provides a protective device of a lifting support.

The application provides a protector of liftable support adopts following technical scheme:

the utility model provides a protector of liftable support, protector distributes around the lifter plate, including installing the mounting bracket on the lifter plate and setting up the swing bars on the mounting bracket, the mounting bracket symmetry set up in the both sides of swing bars, the swing bars swing set up in one of them side on the mounting bracket, be provided with between swing bars and the mounting bracket of opposite side be used for blocking swing bars wobbling locking mechanical system.

Through adopting above-mentioned technical scheme, protector sets up around the lifter plate, and the mounting bracket is installed on the lifter plate, and the mount frame is arranged in the both sides of swinging boom, and the swinging boom swing sets up on the mounting bracket of one of them side, when the staff need step on the lifter plate, with locking mechanical system unblock and promote the swinging boom, can walk the lifter plate between two mounting brackets to the staff of being convenient for steps on the lifter plate.

Preferably, one of the mounting frames is fixedly connected with a rotating seat, the rotating seat comprises a fixing plate arranged on the mounting frame and a fixing shaft fixed on the fixing plate, a sleeve is arranged on one side of the swinging boom, the sleeve is sleeved on the fixing shaft, and the sleeve is abutted to the top surface of the fixing plate.

Through adopting above-mentioned technical scheme, the fixed plate is installed on the mounting bracket, and the fixed axle is fixed in on the mounting panel, and the sleeve pipe is installed on the swing bars, and the sleeve pipe cover is located on the fixed axle to the sleeve pipe is contradicted on the top surface of fixed plate, thereby makes the swing bars swing that can be stable set up on the mounting bracket.

Preferably, the sleeve comprises an outer tube fixed with the swinging grate and an inner tube rotatably arranged in the outer tube, an annular groove is formed in the inner peripheral surface of the outer tube, a coil spring is arranged in the annular groove, one end of the coil spring is fixed on the inner peripheral surface of the annular groove, the other end of the coil spring is fixedly connected with the outer peripheral surface of the inner tube, the fixed shaft is positioned at the inner side of the inner tube, a limiting assembly for preventing relative rotation of the inner tube and the fixed shaft is arranged between the fixed shaft and the inner tube, a yielding groove is formed in the inner side of the mounting frame far away from one side of the rotating seat, and one end of the swinging grate far away from the rotating seat can be abutted to the side wall of the yielding groove.

Through adopting above-mentioned technical scheme, the inner tube rotates and sets up in the outer tube, and the wind spring sets up in the ring channel, and on the one end of wind spring was fixed in the inner peripheral face of ring channel, the other end fixed connection of wind spring was on the outer peripheral face of inner tube, after the staff promoted swing bars and walked the lifter plate, under the elasticity effect of wind spring, the swing bars can automatic swing, until the one end that the swing bars kept away from the rotation seat contradicted on the lateral wall of giving way the groove for the swing bars can be automatic closed after the staff climbs the lifter plate.

Preferably, the fixed shaft is provided with a limiting groove, the limiting assembly comprises a limiting block fixedly connected to the inner peripheral surface of the inner tube, and the limiting block is inserted into the limiting groove.

Through adopting above-mentioned technical scheme, the stopper inserts and locates in the spacing inslot to hinder the inner tube with the fixed axle relative rotation.

Preferably, the swing gate is provided with a sliding groove, the side wall of the abdication groove far away from the rotating seat is provided with a clamping groove, the locking mechanism comprises a locking pin which is arranged in the sliding groove in a sliding manner, and one end of the locking pin can be inserted into the clamping groove.

Through adopting above-mentioned technical scheme, the locking pin slides and sets up in the sliding tray, and the one end of locking pin can be inserted and locate the joint inslot, makes the swinging boom keep away from the one end of rotating the seat and can be locked on the mounting bracket of keeping away from rotating seat one side, hinders the swinging boom swing, has improved protector's security.

Preferably, a bar-shaped hole is formed in the inner wall of the sliding groove, a deflector rod is arranged on the locking pin, and the deflector rod is arranged in the bar-shaped hole in a sliding manner.

Through adopting above-mentioned technical scheme, the driving lever slides and sets up in the bar downthehole, when the staff stirs the driving lever to the direction of keeping away from the joint groove, the driving lever can drive the locking pin and slide to the direction of keeping away from the joint groove, makes the one end of locking pin can break away from the joint groove, and the staff of being convenient for unlocks locking mechanism to the staff of being convenient for walks down the lifter plate.

Preferably, a return spring is arranged in the sliding groove, one end of the return spring is abutted against the side wall of the sliding groove away from the clamping groove, and the other end of the return spring is abutted against the locking pin.

Through adopting above-mentioned technical scheme, reset spring's one end is contradicted on the lateral wall that the joint groove was kept away from to the sliding tray, and reset spring's the other end is contradicted on the locking pin to make the one end of locking pin can more stable insert locate in the joint groove, make locking mechanical locking effect more stable.

Preferably, an end of the locking pin, which is far away from the return spring, is provided with a slope.

Through adopting above-mentioned technical scheme, after the staff walks the lifter plate, the swinging boom can swing under the elasticity effect of coil spring, when the inclined plane contradicts and gives way the groove and keep away from the side of rotating the seat and the edge that the mounting bracket side formed, along with the swinging boom continues the swing, under the effect of inclined plane, the locking pin overcomes reset spring's elasticity and slides in to the sliding tray to make the swinging boom can continue to swing to giving way the inslot, and when the locking pin reaches the joint groove place, automatic insert and locate the joint groove can, realize automatic locking.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the protection device is arranged around the lifting plate, the mounting frames are arranged on two sides of the swing gate, the swing gate is arranged on the mounting frames on one side in a swinging way, when a worker needs to ascend the lifting plate, the locking mechanism is unlocked, the swing gate is pushed, and the lifting plate can be moved between the two mounting frames, so that the worker can conveniently ascend the lifting plate;

2. the inner pipe is arranged in the outer pipe in a rotating way, the coil spring is arranged in the annular groove, one end of the coil spring is fixed on the inner peripheral surface of the annular groove, the other end of the coil spring is fixedly connected to the outer peripheral surface of the inner pipe, when a worker pushes the swing gate to walk on the lifting plate, the swing gate can automatically swing under the elastic force of the coil spring until one end of the swing gate, which is far away from the rotating seat, is abutted against the side wall of the abdicating groove, so that the swing gate can be automatically closed after the worker climbs on the lifting plate;

3. the locking pin slides and sets up in the sliding tray, and the one end of locking pin can be inserted and locate in the joint inslot, makes the swing bars keep away from the one end of rotating the seat and can be locked on the mounting bracket of keeping away from rotating seat one side, hinders the swing bars swing, has improved protector's security.

Drawings

Fig. 1 is a schematic view of the overall structure of a lifting bracket in an embodiment of the present application.

Fig. 2 is a schematic view of the overall structure of the protection device in the embodiment of the present application.

Fig. 3 is a vertical cross-sectional view of a sleeve in an embodiment of the present application.

Fig. 4 is a horizontal cross-sectional view of a swing gate in an embodiment of the present application.

Reference numerals illustrate:

1. a lifting bracket; 11. a fixing frame; 111. a transverse bar; 112. a vertical rod; 12. a lifting plate; 13. a pulley; 14. a traction rope; 15. a motor; 16. a reel; 17. a rotating shaft; 2. a protective device; 21. a mounting frame; 211. a first mounting bar; 212. a second mounting bar; 213. a third mounting bar; 2131. a relief groove; 2132. a clamping groove; 22. a swinging gate; 221. a sliding groove; 222. a bar-shaped hole; 23. a rotating seat; 231. a fixing plate; 232. a fixed shaft; 2321. a limit groove; 24. a locking mechanism; 241. a locking pin; 2411. an inclined plane; 242. a deflector rod; 243. a return spring; 25. a sleeve; 251. an outer tube; 2511. an annular groove; 252. an inner tube; 253. a coil spring; 254. a connecting block; 255. a limit component; 2551. and a limiting block.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a protective device of liftable support. Referring to fig. 1 and 2, the lifting bracket 1 includes a fixing frame 11, a lifting plate 12, a pulley 13, a traction rope 14, a motor 15, a winding reel 16 and a rotating shaft 17, the fixing frame 11 is of a rectangular frame structure, the fixing frame 11 includes four transverse rods 111 and four vertical rods 112, the transverse rods 111 are vertically arranged, eight vertical rods 112 are horizontally arranged, two adjacent two vertical rods 112 are respectively arranged, and the two transverse rods 111 between the two adjacent vertical rods 112 are respectively positioned at the top and the bottom of the vertical rods 112.

Referring to fig. 1, eight pulleys 13 are provided on the fixing frame 11, and eight pulleys 13 are respectively fixed at eight corners inside the fixing frame 11. The motor 15 is fixed on a transverse rod 111 at the bottom of the fixed frame 11, the rotating shaft 17 is coaxially welded and fixed on the output shaft of the motor 15, two winding wheels 16 are arranged at two ends of the rotating shaft 17, and four winding wheels 16 are welded and fixed on the rotating shaft 17. The lifting plate 12 is horizontally arranged on the inner side of the fixed frame 11, four traction ropes 14 are arranged, one ends of the four traction ropes 14 are respectively fixed on four winding wheels 16, the four traction ropes 14 are respectively wound on four pulleys 13 at the bottom of the fixed frame 11 and upwards wound on the four pulleys 13 above the fixed frame 11, and one ends of the four traction ropes 14, far away from the winding wheels 16, are respectively fixed at four corners of the lifting plate 12.

Referring to fig. 1 and 2, four sets of protection devices 2 are disposed on the lifting plate 12, the four sets of protection devices 2 are distributed around the top surface of the lifting plate 12, and the protection devices 2 include a mounting frame 21, a swinging gate 22, a rotating seat 23 and a locking mechanism 24. The mounting bracket 21 is located and symmetrically is provided with two on the lifter plate 12, the mounting bracket 21 includes first installation pole 211, second installation pole 212 and third installation pole 213, first installation pole 211 vertical welding is fixed in on the top surface of lifter plate 12, horizontal integrated into one piece has two on the first installation pole 211 of second installation pole 212 position, wherein a second installation pole 212 is located the top of first installation pole 211, another second installation pole 212 is located the middle part of first installation pole 211, the third installation pole 213 is vertical to be set up in the one end that first installation pole 211 was kept away from to second installation pole 212, the both ends of third installation pole 213 are in two second installation pole 212 integrated into one piece respectively.

Referring to fig. 2 and 3, the swing gate 22 is disposed between the third mounting bars 213 of the two mounting frames 21, two bushings 25 are mounted on the side surfaces of the swing gate 22, the axes of the bushings 25 are disposed vertically, and the two bushings 25 are disposed in the vertical direction of the swing gate 22. The sleeve 25 includes an outer tube 251, an inner tube 252, a coil spring 253, a connection block 254, and a stop assembly 255. The connecting block 254 is fixed on the side of the swing gate 22, the outer tube 251 is fixedly connected on the connecting block 254, the inner tube 252 is rotatably arranged on the inner peripheral wall of the outer tube 251, an annular groove 2511 is formed in the inner peripheral surface of the outer tube 251, the coil spring 253 is arranged in the annular groove 2511, one end of the coil spring 253 is fixed on the inner peripheral surface of the annular groove 2511, and the other end of the coil spring 253 is fixedly connected on the outer peripheral surface of the inner tube 252.

Referring to fig. 2 and 3, the rotating seat 23 is fixedly coupled to the third mounting bar 213 near one side of the sleeve 25, two rotating seats 23 are fixed to the third mounting bar 213, and the rotating seat 23 includes a fixing plate 231 and a fixing shaft 232. The fixing plate 231 is horizontally fixedly coupled to a side of the third mounting bar 213 remote from the first mounting bar 211. The fixed shaft 232 is vertically welded and fixed on the top surface of the fixed plate 231, a limiting groove 2321 is formed in the outer circumferential surface of the fixed shaft 232, and the top of the limiting groove 2321 is communicated with the top surface of the fixed shaft 232.

Referring to fig. 2 and 3, the limiting assembly 255 includes a limiting block 2551, the limiting block 2551 is welded and fixed on the inner peripheral surface of the inner tube 252, when the inner tube 252 is sleeved outside the fixed shaft 232, the limiting block 2551 is inserted into the limiting groove 2321 to prevent the inner tube 252 and the fixed shaft 232 from rotating synchronously, and both the inner tube 252 and the outer tube 251 are abutted against the top surface of the fixed plate 231.

Referring to fig. 2 and 3, a relief groove 2131 is provided in the third mounting rod 213 on the side away from the rotation seat 23, and the relief groove 2131 is provided inside the third mounting rod 213.

Referring to fig. 2 and 4, a sliding groove 221 is formed on a side surface of the swing gate 22 away from the rotating seat 23, a clamping groove 2132 is formed on a side wall of the yielding groove 2131 away from the rotating seat 23, and a space is reserved between the side surface of the swing gate 22 away from the rotating seat 23 and the side wall of the yielding groove 2131 away from the rotating seat 23.

Referring to fig. 2 and 4, the locking mechanism 24 includes a locking pin 241, a lever 242, and a return spring 243. The locking pin 241 is slidably disposed in the sliding groove 221. The inner wall of the sliding groove 221 is provided with a bar-shaped hole 222, a deflector rod 242 is welded and fixed on the locking pin 241, the deflector rod 242 is arranged in the bar-shaped hole 222 in a sliding way, and one end of the deflector rod 242, which is far away from the locking pin 241, is positioned outside the bar-shaped hole 222.

Referring to fig. 2 and 4, the return spring 243 is located in the sliding groove 221, one end of the return spring 243 abuts against a side wall of the sliding groove 221 away from the engaging groove 2132, and the other end of the return spring 243 abuts against the locking pin 241. The end of the locking pin 241 remote from the return spring 243 is provided with a slope 2411.

Referring to fig. 2 and 4, when the locking pin 241 is inserted into the clamping groove 2132, an end of the swing gate 22 away from the rotating seat 23 abuts against a sidewall of the relief groove 2131.

The implementation principle of the protecting device of the liftable support provided by the embodiment of the application is as follows: the protector 2 is arranged around the lifting plate 12, the mounting frames 21 are arranged on two sides of the swinging grids 22, the swinging grids 22 swing on the mounting frames 21 arranged on one side of the mounting frames, when a worker needs to ascend the lifting plate 12, the locking pins 241 are separated from the clamping grooves 2132 by stirring the deflector rods 242 and the swinging grids 22 are pushed, so that the worker can walk between the two mounting frames 21 to ascend the lifting plate 12, and the worker is convenient to ascend the lifting plate 12.

When the worker walks up the lifting plate 12, the swinging grid 22 can swing under the action of the elasticity of the coil spring 253, and when the inclined plane 2411 collides with the edge formed by the side surface of the yielding groove 2131, which is far away from the rotating seat 23, and the side surface of the mounting frame 21, and as the swinging grid 22 continues to swing, the locking pin 241 overcomes the elasticity of the reset spring 243 to slide into the sliding groove 221 under the action of the inclined plane 2411, so that the swinging grid 22 can continue to swing into the yielding groove 2131, and when the locking pin 241 reaches the position of the clamping groove 2132, the locking pin is automatically inserted into the clamping groove 2132, thereby realizing automatic locking.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a protector of liftable support, protector (2) distribute around lifter plate (12), its characterized in that: including installing mounting bracket (21) on lifter plate (12) and setting up swing bars (22) on mounting bracket (21), mounting bracket (21) symmetry set up in the both sides of swing bars (22), swing bars (22) swing set up in wherein on mounting bracket (21), be provided with between swing bars (22) and the mounting bracket (21) of opposite side be used for hindering swing bars (22) wobbling locking mechanism (24).

2. The protective device for a liftable support according to claim 1, wherein: one of them fixedly connected with rotates seat (23) on mounting bracket (21), rotate seat (23) including install in fixed plate (231) on mounting bracket (21) with be fixed in fixed axle (232) on fixed plate (231), sleeve pipe (25) are installed to one side of swinging boom (22), sleeve pipe (25) cover is located on fixed axle (232), sleeve pipe (25) are contradicted on fixed plate (231) top surface.

3. The protective device for a liftable support according to claim 2, wherein: the sleeve (25) comprises an outer tube (251) fixed with the swing gate (22) and an inner tube (252) rotatably arranged in the outer tube (251), an annular groove (2511) is formed in the inner circumferential surface of the outer tube (251), a coil spring (253) is arranged in the annular groove (2511), one end of the coil spring (253) is fixed on the inner circumferential surface of the annular groove (2511), the other end of the coil spring (253) is fixedly connected to the outer circumferential surface of the inner tube (252), the fixed shaft (232) is positioned on the inner side of the inner tube (252), a limiting component (255) used for preventing the inner tube (252) from rotating relative to the fixed shaft (232) is arranged between the fixed shaft (232) and is far away from the inner side of the mounting frame (21) on one side of the rotating seat (23), and one end of the swing gate (22) far away from the rotating seat (23) can be abutted against the side wall of the yielding groove (2131).

4. A protective device for a liftable support according to claim 3, wherein: limiting grooves (2321) are formed in the fixed shafts (232), the limiting assemblies (255) comprise limiting blocks (2551) fixedly connected to the inner circumferential surface of the inner tube (252), and the limiting blocks (2551) are inserted into the limiting grooves (2321).

5. A protective device for a liftable support according to claim 3, wherein: the swing gate (22) is provided with a sliding groove (221), the side wall of the abdication groove (2131) away from the rotating seat (23) is provided with a clamping groove (2132), the locking mechanism (24) comprises a locking pin (241) which is arranged in the sliding groove (221) in a sliding manner, and one end of the locking pin (241) can be inserted into the clamping groove (2132).

6. The protective device for a liftable support according to claim 5, wherein: the inner wall of the sliding groove (221) is provided with a bar-shaped hole (222), the locking pin (241) is provided with a deflector rod (242), and the deflector rod (242) is arranged in the bar-shaped hole (222) in a sliding mode.

7. The protective device for a liftable support according to claim 5, wherein: a return spring (243) is arranged in the sliding groove (221), one end of the return spring (243) is abutted against the side wall of the sliding groove (221) away from the clamping groove (2132), and the other end of the return spring (243) is abutted against the locking pin (241).

8. The protective device for a liftable support of claim 7, wherein: an inclined surface (2411) is provided at an end of the lock pin (241) remote from the return spring (243).

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