CN114803796A

CN114803796A - Elevator car damping device

Info

Publication number: CN114803796A
Application number: CN202210614532.9A
Authority: CN
Inventors: 马珂; 宋耀国; 何培彬; 刘永真; 张立山; 张栋; 任菲; 李博; 王丹
Original assignee: Henan Special Equipment Inspection Institute
Current assignee: Henan Special Equipment Inspection Institute
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-07-29

Abstract

The invention relates to the technical field of elevators, and discloses an elevator car damping device, which comprises a car body and a damping box, and further comprises: a primary damping mechanism connected with the car body is arranged at one end of the damping box, a guide mechanism is arranged in the primary damping mechanism, the guide mechanism is connected with a secondary damping mechanism, a supporting mechanism is arranged on one side, located on the guide mechanism, in the damping box, and protection mechanisms are arranged on two sides of the damping box and used for damping and protecting two sides of the car body; in actual work, carry out preliminary shock attenuation to car body through the elementary damper who sets up, the absorbing effect is strengthened through guiding mechanism and second grade damper's cooperation simultaneously, guiding mechanism and the cooperation of supporting mechanism simultaneously, when guiding mechanism moved extreme position, for protection elementary damper and second grade damper this moment, strut the car body through supporting mechanism, cooperation protection machanism and blotter can strengthen the shock attenuation effect to car body in addition.

Description

Elevator car damping device

Technical Field

The invention relates to the technical field of elevators, in particular to an elevator car damping device.

Background

The car is a box-shaped space used by elevators to carry and transport people and materials. The car is generally composed of main components such as a car bottom, a car wall, a car roof, a car door and the like. The elevator car is a car body part for carrying passengers, goods and other loads, the elevator car needs to perform vertical lifting motion in the running process, and the elevator car can vibrate in the running process of the elevator, so a damping mechanism needs to be arranged.

The existing elevator car damping mechanism generally reduces the vibration generated in the operation process of an elevator car by arranging an elastic component, but overload damping is easy to occur in the damping process of the arranged elastic component, so that the elastic component is damaged, and the damping effect of a damping device is influenced.

To this end, a person skilled in the art has proposed an elevator car damping device to solve the problems set forth in the background above.

Disclosure of Invention

The invention aims to provide an elevator car damping device to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an elevator car damping device, includes car body and surge tank, still includes:

a primary damping mechanism connected with the car body is arranged at one end of the damping box, a guide mechanism is arranged in the primary damping mechanism, the guide mechanism is connected with a secondary damping mechanism, and a supporting and jacking mechanism is arranged on one side, located on the guide mechanism, in the damping box;

the primary damping mechanism comprises a supporting plate arranged at one end of a car plate body, the supporting plate is fixedly connected with a fixing frame through a connecting plate, two sides of the fixing frame are slidably connected with a plurality of fixing rods arranged at one end of a damping box, a first elastic piece is sleeved on the fixing rods, and two ends of the first elastic piece are respectively connected with the fixing frame and the damping box;

the guide mechanism comprises guide groove blocks, a plurality of guide groove blocks are symmetrically arranged, a rotating shaft is arranged in each guide groove block in a sliding mode, and a rotating column is fixedly arranged on each rotating shaft;

the supporting mechanism comprises positioning rods which are symmetrically distributed at one end of the shock absorption box, an L-shaped plate is arranged on each positioning rod, a sliding rail is arranged in each L-shaped plate, an inclined block is arranged on each sliding rail, a third elastic part is arranged between each inclined block and the corresponding L-shaped plate, one end, far away from each third elastic part, of each inclined block passes through a support frame fixedly connected push plate, a guide plate is arranged on each connecting plate, a guide rod is arranged in each guide plate in a sliding mode, the guide rod is close to one end of the shock absorption box and rotates to be provided with a roller, and one end, far away from the roller, of each guide rod is provided with a buffer plate.

As a further scheme of the invention: the guide groove block is arc-shaped.

As a still further scheme of the invention: and a limiting plate is arranged at one end, far away from the damping box, of the fixed rod.

As a still further scheme of the invention: the guide mechanism further comprises a bottom plate arranged at one end of the shock absorption box, the bottom plate is fixedly connected with a side plate through a first mounting frame, two ends of the side plate are fixedly connected with guide groove blocks symmetrically arranged, and the guide groove blocks are fixedly connected with the bottom plate through a second mounting frame.

As a still further scheme of the invention: second grade damper slides and is provided with the slider including setting up the spout in the mount both sides in the spout, rotates on the slider and connects the pivot, it is provided with the shifting chute to lie in spout one side in the mount, is provided with the second elastic component in the shifting chute, and second elastic component end connection has the slide that slides in the shifting chute, and the slide passes through the layer board of slide bar fixed connection slip in the spout.

As a still further scheme of the invention: the damping box both sides are provided with protection machanism, and protection machanism is including setting up the fixing base in the symmetric distribution of damping box both sides, two be provided with the movable rod between the fixing base, the last symmetric position of movable rod slides and is provided with the movable block, be provided with the fourth elastic component on the movable rod between movable block and the adjacent fixing base, the movable block passes through the connecting rod and rotates the connection bolster.

As a still further scheme of the invention: one end, far away from the supporting plate, of the car body is connected with the shock absorption box through the cushion pad.

Compared with the prior art, the invention has the beneficial effects that: in actual work, carry out preliminary shock attenuation to car body through the elementary damper who sets up, the absorbing effect is strengthened through guiding mechanism and second grade damper's cooperation simultaneously, guiding mechanism and the cooperation of supporting mechanism simultaneously, when guiding mechanism moved extreme position, for protection elementary damper and second grade damper this moment, strut the car body through supporting mechanism, cooperation protection machanism and blotter can strengthen the shock attenuation effect to car body in addition.

Drawings

Fig. 1 is a schematic structural view of an elevator car damping device.

Fig. 2 is an enlarged view of a structure in fig. 1.

Fig. 3 is an enlarged view of the structure C in fig. 2.

Fig. 4 is a schematic structural view of a supporting mechanism in a shock absorbing device of an elevator car.

Fig. 5 is an enlarged view of the structure B in fig. 1.

Fig. 6 is a schematic view showing a structure of a guide groove block and a side plate in a shock-absorbing device for an elevator car.

Fig. 7 is a schematic structural view of a fixing frame in a damping device of an elevator car.

In the figure: 1. a car body; 2. a primary damping mechanism; 201. a support plate; 202. a connecting plate; 203. a fixed mount; 204. fixing the rod; 205. a first elastic member; 206. a limiting plate; 3. a guide mechanism; 301. a base plate; 302. a first mounting bracket; 303. a second mounting bracket; 304. a guide groove block; 305. a side plate; 306. a rotating shaft; 307. rotating the column; 4. a secondary damping mechanism; 401. a chute; 402. a slider; 403. a support plate; 404. a slide bar; 405. a moving groove; 406. a slide plate; 407. a second elastic member; 5. a damper box; 6. a supporting mechanism; 601. positioning a rod; 602. an L-shaped plate; 603. a slide rail; 604. a sloping block; 605. a third elastic member; 606. a support frame; 607. pushing the plate; 608. a roller; 609. a guide plate; 610. a guide bar; 611. a buffer plate; 7. a cushion pad; 8. a protection mechanism; 801. a fixed seat; 802. a movable rod; 803. a movable block; 804. a fourth elastic member; 805. a connecting rod; 806. a buffer.

Detailed Description

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

The first embodiment is as follows: referring to fig. 1 to 7, a damping device for an elevator car includes a car body 1 and a damping box 5, and further includes:

5 one end of surge tank is provided with the elementary damper 2 of connecting car body 1, is provided with guiding mechanism 3 in the elementary damper 2, and guiding mechanism 3 is connected with second grade damper 4, it is provided with a mechanism 6 to be located 3 one sides of guiding mechanism in the

surge tank

5, 5 both sides of surge tank are provided with protection mechanism 8 for carry out shock attenuation protection to 1 both sides of car body.

Referring to fig. 1 and fig. 2, in a situation of this embodiment, the primary damping mechanism 2 includes a supporting plate 201 disposed at one end of a car plate, the supporting plate 201 is fixedly connected to a fixing frame 203 through a connecting plate 202, two sides of the fixing frame 203 are slidably connected to a plurality of fixing rods 204 disposed at one end of the damping box 5, a first elastic member 205 is sleeved on the fixing rods 204, two ends of the first elastic member 205 are respectively connected to the fixing frame 203 and the damping box 5, and a limiting plate 206 is disposed at one end of the fixing rod 204 away from the damping box 5.

Specifically, when the elevator runs, the car body 1 extrudes the supporting plate 201, the supporting plate 201 drives the fixing frame 203 to descend through the connecting plate 202, primary shock absorption is performed on the fixing frame 203 through the cooperation of the first elastic piece 205 and the fixing rod 204, the first elastic piece 205 can be set to be a metal elastic piece or a spring, and specific limitation is not performed here.

Referring to fig. 1, fig. 2, fig. 3 and fig. 6, in one aspect of the present embodiment, the guide mechanism 3 includes guide slot blocks 304, a plurality of guide slot blocks 304 are symmetrically disposed, a rotating shaft 306 is slidably disposed in the guide slot blocks 304, and a rotating column 307 is fixedly disposed on the rotating shaft 306; the guide mechanism 3 further comprises a bottom plate 301 arranged at one end of the damper box 5, the bottom plate 301 is fixedly connected with a side plate 305 through a first mounting frame 302, two ends of the side plate 305 are fixedly connected with two guide groove blocks 304 symmetrically arranged, and the guide groove blocks 304 are fixedly connected with the bottom plate 301 through a second mounting frame 303.

Referring to fig. 1, fig. 2, fig. 3 and fig. 7, in one aspect of this embodiment, the secondary damping mechanism 4 includes sliding grooves 401 disposed at two sides of a fixed frame 203, a sliding block 402 is slidably disposed in the sliding grooves 401, a rotating shaft 306 is rotatably connected to the sliding block 402, a moving groove 405 is disposed at one side of the sliding groove 401 in the fixed frame 203, a second elastic member 407 is disposed in the moving groove 405, an end of the second elastic member 407 is connected to a sliding plate 406 sliding in the moving groove 405, and the sliding plate 406 is fixedly connected to a supporting plate 403 sliding in the sliding groove 401 through a sliding rod 404.

Specifically, when the fixing frame 203 moves downward, the rotating shaft 306 sliding in the arc-shaped guide slot block 304 slides downward along the guide slot block 304, the rotating column 307 moves downward, the rotating shaft 306 moves downward, and the sliding block 402 connected with the rotating shaft 306 slides along the sliding slot 401, because of the arrangement of the second elastic member 407, the supporting plate 403 is tightly attached to the sliding block 402, and further, when the sliding block 402 moves, the supporting plate 403 also slides in the sliding slot 401, and the sliding rod 404 and the sliding plate 406 extrude the second elastic member 407, so as to enhance the damping effect of the device, wherein the second elastic member 407 may be a metal elastic sheet or a spring, which is not limited herein.

Referring to fig. 1, 2, 4, and 7, in one aspect of this embodiment, the supporting mechanism 6 includes positioning rods 601 symmetrically disposed at one end of the damper box 5, an L-shaped plate 602 is disposed on the positioning rods 601, a sliding rail 603 is disposed in the L-shaped plate 602, an inclined block 604 is disposed on the sliding rail 603, a third elastic member 605 is disposed between the inclined block 604 and the L-shaped plate 602, one end of the inclined block 604, which is far away from the third elastic member 605, is fixedly connected to a push plate 607 through a supporting frame 606, a guide plate 609 is disposed on the connecting plate 202, a guide rod 610 is slidably disposed in the guide plate 609, a roller 608 is rotatably disposed at one end of the guide rod 610, which is close to the damper box 5, and a buffer plate 611 is disposed at one end of the guide rod 610, which is far away from the roller 608.

Specifically, in the process that the rotating shaft 306 moves downwards, the rotating column 307 on the rotating shaft 306 extrudes the push plate 607, the push plate 607 drives the inclined block 604 to move through the supporting frame 606, so that the inclined block 604 extrudes the third elastic member 605, and further, the shock absorption effect is also achieved, when the rotating shaft 306 moves to the lowest end of the guide groove block 304, the roller 608 is located at the highest point on the inclined block 604, at this time, the buffer plate 611 on the guide rod 610 supports the bottom end of the car body 1, and therefore, the situation that the service life of the car body 1 is affected due to the fact that the arranged first elastic member 205, the arranged second elastic member 407, and the arranged third elastic member 605 are excessively compressed due to the fact that people or goods in the car body 1 are heavy in the actual running process is avoided, wherein the third elastic member 605 can be set to be a metal elastic sheet or a spring, and no specific limitation is made here.

Example two: this embodiment is a further improvement of the previous embodiment: referring to fig. 1 and fig. 5, in one aspect of this embodiment, the protection mechanism 8 includes fixing bases 801 symmetrically disposed on two sides of the shock absorbing box 5, a movable rod 802 is disposed between the two fixing bases 801, movable blocks 803 are slidably disposed at symmetrical positions on the movable rod 802, a fourth elastic member 804 is disposed on the movable rod 802 between the movable block 803 and the adjacent fixing base 801, and the movable blocks 803 are rotatably connected to a buffer member 806 through a connecting rod 805.

Specifically, the fourth elastic element 804 that sets up is in compression state, and then can use the bolster 806 to hug closely car body 1 both ends through the movable rod 802, the setting of movable block 803, connecting rod 805, and then alleviate the vibration range of car body 1 both sides, and wherein the bolster 806 can set up to a plurality of metal shrapnels that pile up, and fourth elastic element 804 can set up to metal shrapnel or spring, does not do specific restriction here.

Referring to fig. 1, in one aspect of this embodiment, one end of the car body 1 away from the support plate 201 is connected to the damping box 5 through the cushion pad 7, and the cushion pad 7 damps the top of the car body 1 when the car body 1 ascends and descends.

In actual work, carry out preliminary shock attenuation to car body 1 through the elementary damper 2 that sets up, the absorbing effect is strengthened through the cooperation of guiding mechanism 3 and second grade damper 4 simultaneously, guiding mechanism 3 and the cooperation of supporting mechanism 6 simultaneously, when guiding mechanism 3 moved extreme position, for protection elementary damper 2 and second grade damper 4 this moment, support car body 1 through supporting mechanism 6, cooperation protection machanism 8 and blotter 7 can strengthen the absorbing effect to car body 1 in addition.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an elevator car damping device, includes car body and surge tank, its characterized in that still includes:

2. The elevator car shock absorbing device of claim 1, wherein the guide channel block is arcuate.

3. The elevator car damping device of claim 1, wherein a limiting plate is disposed on an end of the fixing rod away from the damping box.

4. The elevator car damping device of claim 2, wherein the guide mechanism further comprises a bottom plate disposed at one end of the damper box, the bottom plate is fixedly connected to the side plate through a first mounting bracket, two symmetrically disposed guide groove blocks are fixedly connected to two ends of the side plate, and the guide groove blocks are fixedly connected to the bottom plate through a second mounting bracket.

5. The elevator car damping device according to claim 1, wherein the secondary damping mechanism comprises sliding grooves formed in two sides of the fixed frame, sliding blocks are slidably disposed in the sliding grooves, a rotating shaft is rotatably connected to the sliding blocks, a moving groove is disposed in one side of the sliding grooves in the fixed frame, a second elastic member is disposed in the moving groove, a sliding plate sliding in the moving groove is connected to an end of the second elastic member, and the sliding plate is fixedly connected to a supporting plate sliding in the sliding grooves through sliding rods.

6. The elevator car damping device according to claim 1, wherein protection mechanisms are arranged on two sides of the damping box, each protection mechanism comprises symmetrically distributed fixing seats arranged on two sides of the damping box, a movable rod is arranged between the two fixing seats, movable blocks are arranged on the movable rods in a sliding mode at symmetrical positions, a fourth elastic piece is arranged on each movable rod between each movable block and the corresponding adjacent fixing seat, and the movable blocks are rotatably connected with the buffering pieces through connecting rods.

7. An elevator car damping device as defined in claim 1 in which the end of the car body remote from the support plate is connected to the damping box by a cushion.