CN220432188U - Anti-drop elevating gear - Google Patents

Abstract

The utility model discloses an anti-drop lifting device, which comprises a base and clamping plates arranged on the outer walls of two sides of the top of one end of the base, wherein a jacking block is fixedly connected between the inner walls of one opposite side of the top of the clamping plates, a vertical plate is arranged between the inner walls of one opposite side of one end of the clamping plates, side boxes are fixedly connected to the outer walls of two sides of one end of the vertical plate, mounting plates are fixedly connected to the outer walls of the top and the bottom of one end of the vertical plate, an end plate is arranged between the outer walls of one end of the side boxes, and an auxiliary lifting plate is fixedly connected to the outer wall of one end of the end plate; the utility model can realize the secondary lifting effect on the auxiliary lifting plate, when the auxiliary lifting plate is positioned at a high position, objects and staff positioned at the top of the auxiliary lifting plate can be protected by the protective frame, accidental falling accidents are prevented, and through the automatic movable interception mechanism, the through groove can be automatically closed when the auxiliary lifting plate is lifted off, so that the protective effect is stronger.

Description

Anti-drop elevating gear

Technical Field

The utility model relates to the technical field of elevators, in particular to an anti-falling lifting device.

Background

The lifter is also called as lifting operation platform, is a multifunctional lifting mechanical equipment, and can be divided into fixed type and movable type, guide rail type and crank arm type, scissor type, chain type, loading platform, etc., elevators are commonly used for rescue and decoration, and when high-altitude work is required, the elevators are required to be used for lifting.

Through searching, the lifting device with the patent publication number of CN213505837U is characterized in that the upper supporting plate can selectively move leftwards, rightwards and leftwards relative to the lower supporting plate along the second guide groove and the front side of the upper supporting plate can selectively slide out to the bottom of the goods from the two sides; the upper supporting plate is slid out forwards, so that the loading process of goods is conveniently completed, the purpose of carrying the goods in a narrow space is achieved, or when a certain gap exists between equipment and a vehicle body, the existing gap is made up by the sliding out of the upper supporting plate, so that the barriers of the goods in moving are overcome, the investment of labor cost is saved, and the risk of manual carrying is reduced.

Further searching finds that the lifting device with the publication number of CN212832580U is also synchronously unfolded in the lifting and unfolding process, and the unfolding amplitude of the side support rods changes along with the change of the height of the table top, so that the lifting device synchronously increases the supporting area of the bottom while increasing the height. The side support bar is arranged on one side which is easy to incline in the embodiment, and the weaker part of the bottom frame support is compensated.

The technical characteristics have the following defects: when lifting an object or a worker, the device is not provided with a sufficient protection structure, so that the protection effect of the device on the object or the worker is insufficient, the object sliding off or the worker accidentally falls easily, the safety performance is low, the worker is not facilitated to work at a high place, and therefore, the design of the anti-falling lifting device is needed to solve the problem.

Disclosure of Invention

The present utility model is directed to an anti-falling lifting device, which solves the problems set forth in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an anti-drop elevating gear, includes the base and sets up the grip block at base one end top both sides outer wall, fixedly connected with kicking block between the opposite side inner wall in top of grip block, and be provided with the riser between the opposite side inner wall in one end of grip block, the equal fixedly connected with side case of one end both sides outer wall of riser, and the equal fixedly connected with mounting disc of one end top and bottom outer wall of riser, be provided with the end plate between the one end outer wall of side case, and the one end outer wall fixedly connected with pair lifter plate of end plate, the bottom outer wall of kicking block and the one end outer wall of riser are provided with respectively and are used for carrying out first elevating system and the second elevating system that lifts to pair lifter plate;

the top outer wall fixedly connected with protection frame of vice lifter plate, and open between the one end inner wall of protection frame and the outer wall has logical groove, and the one end outer wall of protection frame is provided with automatic closed interception mechanism.

Preferably, the first elevating system includes first driving motor, and first driving motor fixed connection is in the top outer wall of kicking block, rotate through the bearing between the bottom outer wall of kicking block and the base and be connected with the main threaded rod, and the output shaft one end fixedly connected with of first driving motor is in the top outer wall of main threaded rod, the other end bottom outer wall fixedly connected with of riser cup joints in the main lifter plate of main threaded rod circumference outer wall through the screw thread, and sliding grafting has fixedly connected with the first slide bar between kicking block and the base between the both sides top and the bottom outer wall of main lifter plate.

Preferably, the second elevating system includes second driving motor, and second driving motor fixed connection is in the top outer wall of one of them mounting disc, and rotate through the bearing between the top and the bottom outer wall of mounting panel and be connected with vice threaded rod, and the output shaft one end fixedly connected with of second driving motor is in the top outer wall of vice threaded rod, and the equal fixedly connected with second slide bar of top and bottom inner wall of side case, the end plate cup joints with the circumference outer wall of vice threaded rod through the screw thread, and the end plate sliding cup joints in the circumference outer wall of second slide bar.

Preferably, the interception mechanism comprises a clamping plate, the clamping plate is fixedly connected to one side outer wall of one end of the protection frame, a plurality of reset springs are fixedly connected to the other side outer wall of the clamping plate, the extrusion plates are fixedly connected between the other side outer walls of the reset springs, the other side outer walls of the extrusion plates are provided with closing plates, and a plurality of synchronous rods are fixedly connected between the extrusion plates and the closing plates.

Preferably, a sliding groove is formed in the outer wall of one end of the top of the auxiliary lifting plate, and a sliding block inserted into the sliding groove is fixedly connected to the outer wall of the bottom of the closing plate.

Preferably, the top outer wall fixedly connected with equidistance of base distributes a plurality of cushion, and the top one end outer wall fixedly connected with deflector of base, and the one end top outer wall of vice lifter plate is opened has the guide way with deflector looks adaptation.

Preferably, the outer wall of one end of the end plate is fixedly connected with a transverse threaded rod and a plurality of reinforcing ribs distributed at equal distance, the auxiliary lifting plate is sleeved on the circumferential outer walls of the transverse threaded rod and the reinforcing ribs, one end outer wall of the auxiliary lifting plate is rotationally connected with a rolling wheel sleeved on the outer wall of the transverse threaded rod through a bearing, a limiting disc is fixedly connected with one end outer wall of the reinforcing rib, and a sliding lantern ring fixedly connected with the auxiliary lifting plate is fixedly sleeved on the circumference outer wall of the reinforcing rib in a sliding mode.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the second driving motor rotates to drive the auxiliary threaded rod to rotate, so that the end plate and the whole auxiliary lifting plate are lifted under the action of the auxiliary threaded rod, the second sliding rod can limit the end plate to ensure stable lifting of the end plate, when the first driving motor rotates to drive the main threaded rod to rotate, the main lifting plate can drive the whole vertical plate to lift at the moment, so that a secondary lifting effect of the auxiliary lifting plate is realized, the first sliding rod ensures stable lifting of the main lifting plate, the structure is simple, the operation is convenient, an object and staff at the top of the auxiliary lifting plate can be protected by the protective frame when the auxiliary lifting plate is at a high position, accidental falling accidents are prevented, and through the arranged automatic movable interception mechanism, the through groove can be automatically closed when the auxiliary lifting plate is lifted off, so that the protective effect is stronger;

in the utility model, when the auxiliary lifting plate descends and the guide plate is inserted into the guide groove, the guide plate contacted with the extrusion plate gradually drives the extrusion plate and the closing plate to move along with the continuous falling of the auxiliary lifting plate, so that the through groove is released, otherwise, when the auxiliary lifting plate ascends, the extrusion plate and the closing plate block the through groove under the action of the reset spring, so that the safety of the device is further improved;

in the utility model, the auxiliary lifting plate is sleeved on the outer walls of the reinforcing ribs and the transverse threaded rods, so that the whole auxiliary lifting plate can be driven to transversely move under the action of the transverse threaded rods when the rolling wheels are rotated.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an anti-drop lifting device.

Fig. 2 is a schematic view of a reinforcing rib structure of the anti-drop lifting device.

Fig. 3 is a schematic view of a squeeze plate of the anti-drop lifting device.

Fig. 4 is a schematic view of a rolling wheel structure of the anti-drop lifting device.

Fig. 5 is a schematic view of a sliding collar structure of an anti-drop lifting device.

Fig. 6 is a schematic structural view of a main threaded rod of the anti-drop lifting device.

In the figure: 1. a base; 2. a clamping plate; 3. an auxiliary lifting plate; 4. a protective frame; 5. a clamping plate; 6. a synchronizing lever; 7. a chute; 8. a second driving motor; 9. a first driving motor; 10. a guide plate; 11. a limiting disc; 12. reinforcing ribs; 13. an auxiliary threaded rod; 14. a side case; 15. a top block; 16. a second slide bar; 17. a return spring; 18. an extrusion plate; 19. a closing plate; 20. a rolling wheel; 21. an end plate; 22. a sliding collar; 23. a main lifting plate; 24. a main threaded rod.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, it will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-6, in an embodiment of the utility model, an anti-drop lifting device includes a base 1 and a clamping plate 2 disposed on two outer walls of one end top of the base 1, wherein a top block 15 is fixedly connected between inner walls of opposite sides of the top of the clamping plate 2, a riser is disposed between inner walls of opposite sides of one end of the clamping plate 2, side boxes 14 are fixedly connected to outer walls of both sides of one end of the riser, mounting plates are fixedly connected to outer walls of one end of the riser, an end plate 21 is disposed between outer walls of one end of the side boxes 14, an auxiliary lifting plate 3 is fixedly connected to outer walls of one end of the end plate 21, and a first lifting mechanism and a second lifting mechanism for lifting the auxiliary lifting plate 3 are respectively disposed on outer walls of the bottom of the top block 15 and outer walls of one end of the riser;

the top outer wall fixedly connected with protection frame 4 of vice lifter plate 3, and it has logical groove to open between the one end inner wall of protection frame 4 and the outer wall, the one end outer wall of protection frame 4 is provided with automatic closed interception mechanism, when using this device, second driving motor 8 rotates and can drive vice threaded rod 13 rotation, thereby make end plate 21 and whole vice lifter plate 3 lift under the effect of vice threaded rod 13, second slide bar 16 can be spacing to end plate 21, guarantee the stable rising of end plate 21, when first driving motor 9 rotates and can drive main threaded rod 24 rotation, main lifter plate 23 can drive whole riser and rise this moment, thereby the second grade to vice lifter plate 3 is lifted the effect, first slide bar guarantees the steady lift of main lifter plate 23, and a structure is simple, and convenient operation, and when vice lifter plate 3 is in the eminence, the object and the staff at the top of vice lifter plate 3 all can receive the protection of protection frame 4, prevent unexpected accident, but through the automatic movable interception mechanism of setting, can carry out automatic closed protection effect to leading to the groove when vice lifter plate 3 lifts.

Wherein, first elevating system includes first driving motor 9, and first driving motor 9 fixed connection is in the top outer wall of kicking block 15, rotate through the bearing between the bottom outer wall of kicking block 15 and the base 1 and be connected with main threaded rod 24, and the output shaft one end fixed connection of first driving motor 9 is in the top outer wall of main threaded rod 24, the other end bottom outer wall fixedly connected with of riser cup joints in the main lifter plate 23 of main threaded rod 24 circumference outer wall through the screw thread, and sliding grafting has fixedly connected with the first slide bar between kicking block 15 and base 1 between the both sides top and the bottom outer wall of main lifter plate 23.

Wherein, second elevating system includes second driving motor 8, and second driving motor 8 fixed connection is in the top outer wall of one of them mounting disc, and be connected with vice threaded rod 13 through the bearing rotation between the top and the bottom outer wall of mounting panel, the output shaft one end fixed connection of second driving motor 8 is in the top outer wall of vice threaded rod 13, the equal fixedly connected with second slide bar 16 of top and bottom inner wall of side case 14, end plate 21 cup joints with the circumference outer wall of vice threaded rod 13 through the screw thread, and end plate 21 sliding cup joints in the circumference outer wall of second slide bar 16.

Wherein the interception mechanism comprises a clamping plate 5, the clamping plate 5 is fixedly connected with the outer wall of one side of one end of the protective frame 4, the outer wall of the other side of the clamping plate 5 is fixedly connected with a plurality of return springs 17 which are distributed at equal distance, and a squeeze plate 18 is fixedly connected between the outer walls of the other sides of the reset springs 17, a closing plate 19 is arranged on the outer walls of the other sides of the squeeze plate 18, and a plurality of synchronous rods 6 distributed at equal distances are fixedly connected between the squeeze plate 18 and the closing plate 19.

Wherein, the top one end outer wall of vice lifter plate 3 is opened has spout 7, and the bottom outer wall fixedly connected with of closure plate 19 peg graft the slider in spout 7.

Wherein, a plurality of cushion blocks that the top outer wall fixedly connected with equidistance of base 1 distributes, and the top one end outer wall fixedly connected with deflector 10 of base 1, the one end top outer wall of vice lifter plate 3 is opened has the guide way with deflector 10 looks adaptation, when vice lifter plate 3 descends and inserts the guide way in with deflector 10, the deflector 10 that contacts with stripper plate 18 can follow the continuation whereabouts of vice lifter plate 3, and drive stripper plate 18 and closure plate 19 gradually and remove, thereby say that the logical groove is released, otherwise, when vice lifter plate 3 risees, stripper plate 18 and closure plate 19 can block up logical groove under reset spring 17's effect, further the security of device has been improved.

The working principle of the utility model is as follows: the second driving motor 8 rotates and can drive the auxiliary threaded rod 13 to rotate, thereby make end plate 21 and whole vice lifter plate 3 lift under the effect of auxiliary threaded rod 13, second slide bar 16 can be spacing to end plate 21, guarantee the steady rise of end plate 21, when first driving motor 9 rotates and can drive main threaded rod 24 and rotate, main lifter plate 23 can drive whole riser and rise this moment, thereby the second grade effect of lifting to vice lifter plate 3 has been realized, first slide bar guarantees the steady lift of main lifter plate 23, and a structure is simple, and convenient operation, and when vice lifter plate 3 is in the eminence, object and staff at vice lifter plate 3 top all can receive the protection of protective frame 4, prevent to appear unexpected fall accident, but through the interception mechanism of automatic movable that sets up, can be when vice lifter plate 3 goes up the sky, carry out self-closing to the logical groove, the protective effect is stronger.

Example 2

Referring to fig. 2, 4 and 5, unlike embodiment 1, an outer wall of one end of the end plate 21 is fixedly connected with a transverse threaded rod and a plurality of reinforcing ribs 12 distributed equidistantly, the auxiliary lifting plate 3 is sleeved on the transverse threaded rod and a circumferential outer wall of the reinforcing ribs 12, an outer wall of one end of the auxiliary lifting plate 3 is rotatably connected with a rolling wheel 20 sleeved on the outer wall of the transverse threaded rod through a bearing, an outer wall of one end of the reinforcing ribs 12 is fixedly connected with a limiting disc 11, and the circumferential outer wall of the reinforcing ribs 12 is slidably sleeved with a sliding collar 22 fixedly connected with the auxiliary lifting plate 3.

The working principle of the utility model is as follows: because the auxiliary lifting plate 3 is sleeved on the outer walls of the reinforcing ribs 12 and the transverse threaded rods, the whole auxiliary lifting plate 3 can be driven to transversely move under the action of the transverse threaded rods when the rolling wheel 20 is rotated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Claims (7)

1. The utility model provides an anti falling elevating gear, includes base (1) and sets up grip block (2) at base (1) one end top both sides outer wall, fixedly connected with kicking block (15) between the opposite one side inner wall in top of grip block (2), and is provided with riser, its characterized in that between the opposite one side inner wall in one end of grip block (2): the outer walls of two sides of one end of the vertical plate are fixedly connected with side boxes (14), the top and bottom outer walls of one end of the vertical plate are fixedly connected with mounting plates, an end plate (21) is arranged between the outer walls of one end of the side boxes (14), an auxiliary lifting plate (3) is fixedly connected with the outer wall of one end of the end plate (21), and a first lifting mechanism and a second lifting mechanism for lifting the auxiliary lifting plate (3) are respectively arranged on the outer wall of the bottom of the jacking block (15) and the outer wall of one end of the vertical plate;

the top outer wall fixedly connected with protection frame (4) of vice lifter plate (3), and open between the one end inner wall of protection frame (4) and the outer wall has logical groove, and the one end outer wall of protection frame (4) is provided with automatic closed interception mechanism.

2. The drop-resistant lifting device of claim 1, wherein: the first elevating system includes first driving motor (9), and first driving motor (9) fixedly connected with top outer wall in kicking block (15), be connected with main threaded rod (24) through the bearing rotation between the bottom outer wall of kicking block (15) and base (1), and the output shaft one end fixedly connected with of first driving motor (9) is in the top outer wall of main threaded rod (24), the other end bottom outer wall fixedly connected with of riser cup joints in main lifter plate (23) of main threaded rod (24) circumference outer wall through the screw thread, and slip grafting has fixedly connected with the first slide bar between kicking block (15) and base (1) between the both sides top and the bottom outer wall of main lifter plate (23).

3. The drop-resistant lifting device of claim 2, wherein: the second elevating system includes second driving motor (8), and second driving motor (8) fixedly connected with is in the top outer wall of one of them mounting disc, and be connected with vice threaded rod (13) through the bearing rotation between the top and the bottom outer wall of mounting panel, the output shaft one end fixedly connected with of second driving motor (8) is in the top outer wall of vice threaded rod (13), the equal fixedly connected with second slide bar (16) of top and bottom inner wall of side case (14), end plate (21) cup joint the circumference outer wall with vice threaded rod (13) through the screw thread, and end plate (21) sliding cup joint in the circumference outer wall of second slide bar (16).

4. A drop-resistant lifting device as claimed in claim 3, wherein: the interception mechanism comprises a clamping plate (5), the clamping plate (5) is fixedly connected to the outer wall of one side of one end of the protection frame (4), a plurality of return springs (17) are fixedly connected to the outer wall of the other side of the clamping plate (5), extrusion plates (18) are fixedly connected between the outer walls of the other sides of the return springs (17), closing plates (19) are arranged on the outer walls of the other sides of the extrusion plates (18), and a plurality of synchronous rods (6) are fixedly connected between the extrusion plates (18) and the closing plates (19).

5. The drop-resistant lift device of claim 4, wherein: a chute (7) is arranged on the outer wall of one end of the top of the auxiliary lifting plate (3), and the outer wall of the bottom of the closing plate (19) is fixedly connected with a sliding block inserted in the sliding groove (7).

6. An anti-falling lifting device according to any one of claims 1-5, wherein: the top outer wall of base (1) fixedly connected with a plurality of cushion blocks that the equidistance distributes, and the top one end outer wall fixedly connected with deflector (10) of base (1), the one end top outer wall of vice lifter plate (3) open have with deflector (10) looks adaptation guide way.

7. The drop-resistant lifting device of claim 1, wherein: one end outer wall fixedly connected with transverse threaded rod of end plate (21) and a plurality of strengthening ribs (12) that the equidistance distributes, and vice lifter plate (3) cup joint in transverse threaded rod and the circumference outer wall of strengthening rib (12), one end outer wall of vice lifter plate (3) is connected with through the bearing rotation and cup joints in the roll wheel (20) of transverse threaded rod outer wall through the screw thread, and the equal fixedly connected with limiting disc (11) of one end outer wall of strengthening rib (12), the circumference outer wall of strengthening rib (12) all slides cup joint with vice lifter plate (3) fixed connection's slip lantern ring (22).