CN217577920U - Pressure-bearing damping device for elevator - Google Patents

Abstract

The utility model relates to the technical field of elevators, and discloses a pressure-bearing and shock-absorbing device for an elevator, which comprises a car, a pressure-bearing plate is arranged in the inner cavity of the car, and the left and right sides of the bottom of the pressure-bearing plate are fixedly connected with A threaded rod, the left and right sides of the bottom end of the inner cavity of the car are fixedly connected with support cylinders, and the threaded rod is inserted into the support cylinder. The utility model can buffer the up and down vibration of the pressure bearing plate through the second spring and the third spring, and then can buffer the left and right vibration of the pressure bearing plate through the telescopic rod and the first spring, thereby improving the shock absorption effect of the pressure bearing plate. At the same time, the compression degree of the second spring can be adjusted by twisting the nut, so as to adjust the vibration buffering effect of the upper and lower plates on the bearing plate, and the fixing bolt can be twisted to disengage from the through hole, so that the slider can slide out from the top of the support cylinder, so that the threaded rod can slide out. It can be drawn out from the support cylinder, which further facilitates the replacement of the first spring, the second spring and the third spring.

Description

An elevator pressure-bearing shock absorption device

technical field

The utility model relates to the technical field of elevators, in particular to a pressure-bearing damping device for an elevator.

Background technique

Elevator is a tool for vertical transportation in buildings, which is used to take people or carry goods in multi-storey buildings. Nowadays, elevators have become indispensable construction equipment.

The existing patent (publication number: CN201920646367.9) is an elevator pressure-bearing shock-absorbing device, which forms a three-stage shock-absorbing structure by setting a vertical buffer spring, a buffer column and an elastic column, which greatly improves the buffer and shock-absorbing performance of the elevator, and reduces the During the earthquake, the pressure-bearing plate descends stably, which greatly reduces the shaking in the horizontal direction and improves the safety and stability of the elevator operation.

In the process of realizing the present utility model, the inventor found that at least the following problems have not been solved in the prior art: the buffer column and the vertical buffer spring are easily damaged and lose their shock absorbing effect after long-term operation, so regular maintenance is required, and now Some buffer columns and vertical buffer springs are easy to disassemble, which makes the replacement of buffer columns and vertical buffer springs more troublesome and greatly reduces the maintenance efficiency of the shock absorber. Therefore, we propose an elevator pressure-bearing shock absorber.

Utility model content

The purpose of the utility model is to provide an elevator pressure-bearing damping device, which solves the problems raised in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an elevator pressure-bearing damping device, comprising a car, the inner cavity of the car is provided with a pressure-bearing plate, and the left and right sides of the bottom of the pressure-bearing plate are A threaded rod is fixedly connected, a support cylinder is fixedly connected to the left and right sides of the bottom end of the inner cavity of the car, the threaded rod is inserted into the support cylinder, and the left and right ends of the inner cavity of the support cylinder are provided with chute grooves, A sliding block is movably connected in the two sliding grooves, a telescopic rod is fixedly connected between the threaded rod and the two sliding blocks, and a first spring is sleeved on the outer side of the two telescopic rods, so the The outer side of the threaded rod is provided with a through hole, the outer side of the support cylinder is screwed with a fixing bolt, the fixing bolt penetrates through the supporting cylinder and is inserted into the through hole, the outer side of the threaded rod is sleeved with a second spring, the The bottom of the second spring overlaps the top of the support cylinder, the upper and lower ends of the inner cavity of the through hole are fixedly connected with the third spring, and the outer side of the threaded rod is screwed with a nut.

As a preferred embodiment of the present invention, the outer side of the threaded rod is sleeved with a bottom plate, the bottom plate is overlapped on the support cylinder, and the second spring is overlapped on the bottom plate.

As a preferred embodiment of the present invention, a top plate is sleeved between the second spring and the nut.

As a preferred embodiment of the present invention, a support plate is fixedly connected to opposite ends of the two third springs.

As a preferred embodiment of the present invention, the size of the bottom plate is larger than that of the support cylinder.

As a preferred embodiment of the present invention, the size of the top plate is larger than the size of the nut.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

The utility model relates to a pressure-bearing and shock-absorbing device for an elevator. , through the second spring and the third spring, the vibration of the pressure bearing plate can be buffered, and then the left and right vibration of the pressure bearing plate can be buffered through the telescopic rod and the first spring, so as to improve the shock absorption effect of the pressure bearing plate. Twisting the nut can adjust the degree of compression of the second spring, so as to adjust the effect of vibration buffering on the upper and lower plates of the bearing plate, and twist the fixing bolt to disengage the through hole, so that the slider can slide out from the top of the support cylinder, so that the threaded rod can be removed from the top of the support cylinder. The support cylinder is drawn out to further facilitate the replacement of the first spring, the second spring and the third spring.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is the front view of a kind of elevator pressure-bearing damping device of the present invention;

Figure 2 is a side view of a threaded rod of an elevator pressure-bearing damping device of the present invention.

In the figure: 1, car; 2, bearing plate; 3, threaded rod; 4, nut; 5, top plate; 6, second spring; 7, first spring; 8, telescopic rod; 9, chute; 10 11, the slider; 12, the support cylinder; 13, the bottom plate; 14, the third spring; 15, the support plate; 16, the through hole.

Detailed ways

Please refer to Fig. 1-2, the present utility model provides a technical solution: an elevator pressure-bearing damping device, comprising a car 1, the inner cavity of the car 1 is provided with a pressure-bearing plate 2, and the pressure-bearing plate The left and right sides of the bottom of 2 are fixedly connected with threaded rods 3, and the left and right sides of the bottom end of the inner cavity of the car 1 are fixedly connected with support cylinders 12. The threaded rods 3 are inserted into the support cylinders 12, and the support cylinders are The left and right ends of the inner cavity of 12 are provided with sliding grooves 9 , two sliding grooves 9 are movably connected with sliding blocks 11 , and a telescopic rod is fixedly connected between the threaded rod 3 and the two sliding blocks 11 . 8. The outer sides of the two telescopic rods 8 are sleeved with a first spring 7, the outer sides of the threaded rods 3 are provided with through holes 16, and the outer sides of the support cylinders 12 are screwed with fixing bolts 10. The bolt 10 penetrates the support cylinder 12 and is inserted into the through hole 16 , the outer side of the threaded rod 3 is sleeved with a second spring 6 , the bottom of the second spring 6 overlaps the top of the support cylinder 12 , and the through hole 16 The upper and lower ends of the inner cavity are fixedly connected with a third spring 14, and the outer side of the threaded rod 3 is screwed with a nut 4. The arrangement of the rod 8, the first spring 7, the through hole 16, the fixing bolt 10, the second spring 6 and the third spring 14 can buffer the up and down vibration of the bearing plate 2 through the second spring 6 and the third spring 14, and then The left and right vibrations of the pressure bearing plate 2 can be buffered by the telescopic rod 8 and the first spring 7 , thereby improving the shock absorption effect of the pressure bearing plate 2 . Adjust the effect of up and down vibration buffering of the pressure bearing plate 2, and screw the fixing bolt 10 to disengage from the through hole 16, so that the slider 11 can slide out from the top of the support cylinder 12, so that the threaded rod 3 can be pulled out from the support cylinder 12, and further It is convenient to replace the first spring 7 , the second spring 6 and the third spring 14 .

In this embodiment (refer to FIG. 1 ), a bottom plate 13 is sleeved on the outer side of the threaded rod 3 , the bottom plate 13 is overlapped on the support cylinder 12 , and the second spring 6 is overlapped on the bottom plate 13 . The bottom plate 13 increases the contact area of the second spring 6 with the support cylinder 12 , thereby ensuring that the second spring 6 is stably placed on the support cylinder 12 .

In this embodiment (refer to FIG. 1 ), a top plate 5 is sleeved between the second spring 6 and the nut 4 , and the contact area between the nut 4 and the second spring 6 is increased through the top plate 5 , thereby increasing the limit of the nut 4 . Two springs 6 for stability.

In this embodiment (refer to FIG. 2 ), the opposite ends of the two third springs 14 are fixedly connected with a support plate 15 , and the contact area between the third spring 14 and the fixing bolt 10 is increased through the support plate 15 , thereby ensuring the first The three springs 14 are fully in contact with the fixing bolt 10 .

In this embodiment (refer to FIG. 1 ), the size of the bottom plate 13 is larger than that of the support cylinder 12 , so as to prevent the bottom plate 13 from being placed in the support cylinder 12 and unable to support the second spring 6 .

In this embodiment (refer to FIG. 1 ), the size of the top plate 5 is larger than that of the nut 4 , thereby ensuring the nut 4 , thereby increasing the contact area between the nut 4 and the top plate 5 , and further improving the stability of the nut 4 limiting the top plate 5 sex.

It should be noted that the present utility model is an elevator pressure-bearing damping device, comprising a car 1, a pressure-bearing plate 2, a threaded rod 3, a nut 4, a top plate 5, a second spring 6, a first spring 7, a telescopic rod 8. The chute 9, the fixing bolt 10, the slider 11, the supporting cylinder 12, the bottom plate 13, the third spring 14, the supporting plate 15 and the through hole 16 are all common standard parts or parts known to those skilled in the art. The structure and principle are all known to the technical personnel through technical manuals or through conventional experimental methods. When working, first, insert the threaded rod 3 into the through hole 16 by twisting the fixing bolt 10, so as to limit the threaded rod 3 in the support cylinder 12. Then, when the pressure-bearing plate 2 vibrates up and down, the second spring 6 and the third spring 14 can compress the up-and-down vibration of the pressure-bearing plate 2 to buffer the up and down vibration of the pressure-bearing plate 2, and then the left and right vibration of the pressure-bearing plate 2 can be damped by the telescopic rod 8 and the first spring 7 Buffering is performed to improve the shock absorption effect of the pressure bearing plate 2, and the compression degree of the second spring 6 can be adjusted by twisting the nut 4 during installation, so as to adjust the vibration buffering effect of the upper and lower pressure bearing plate 2. When the first spring 7. When the second spring 6 and the third spring 14 are damaged, the sliding block 11 can slide out from the top of the support cylinder 12 by twisting the fixing bolt 10 to disengage from the through hole 16, so that the threaded rod 3 can be pulled out from the support cylinder 12 , to further facilitate the replacement of the first spring 7 , the second spring 6 and the third spring 14 .

Claims (6)

1. An elevator pressure-bearing damping device, comprising a car (1), characterized in that: the inner cavity of the car (1) is provided with a pressure-bearing plate (2), and the The left and right sides of the bottom are fixedly connected with threaded rods (3), the left and right sides of the bottom end of the inner cavity of the car (1) are fixedly connected with support cylinders (12), and the threaded rods (3) are inserted into the support cylinders ( 12), the left and right ends of the inner cavity of the support cylinder (12) are provided with chute grooves (9), two sliding grooves (9) are movably connected with sliders (11), and the threaded rod (3) A telescopic rod (8) is fixedly connected with the two sliding blocks (11), the outer sides of the two telescopic rods (8) are sleeved with a first spring (7), and the threaded rod The outer side of (3) is provided with a through hole (16), the outer side of the support cylinder (12) is screwed with a fixing bolt (10), and the fixing bolt (10) penetrates through the support cylinder (12) and is inserted into the through hole (16). ), the outer side of the threaded rod (3) is sleeved with a second spring (6), the bottom of the second spring (6) overlaps the top of the support cylinder (12), and the through hole (16) A third spring (14) is fixedly connected to the upper and lower ends of the inner cavity of the threaded rod (3), and a nut (4) is screwed to the outer side of the threaded rod (3). 2. An elevator pressure-bearing damping device according to claim 1, characterized in that: a bottom plate (13) is sleeved on the outer side of the threaded rod (3), and the bottom plate (13) is overlapped on the support cylinder (12), the second spring (6) is overlapped on the bottom plate (13). 3 . The elevator pressure-bearing and damping device according to claim 1 , wherein a top plate ( 5 ) is sleeved between the second spring ( 6 ) and the nut ( 4 ). 4 . 4 . The elevator pressure-bearing damping device according to claim 1 , wherein the opposite ends of the two third springs ( 14 ) are fixedly connected with support plates ( 15 ). 5 . 5 . The elevator pressure-bearing damping device according to claim 2 , wherein the size of the bottom plate ( 13 ) is larger than the size of the support cylinder ( 12 ). 6 . 6 . The elevator pressure-bearing damping device according to claim 3 , wherein the size of the top plate ( 5 ) is larger than the size of the nut ( 4 ). 7 .

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