CN218371113U

CN218371113U - Device for preventing accidental movement of elevator car

Info

Publication number: CN218371113U
Application number: CN202222784637.7U
Authority: CN
Inventors: 白如
Original assignee: Zhengzhou Urban Construction Vocational College
Current assignee: Zhengzhou Urban Construction Vocational College
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-01-24
Anticipated expiration: 2032-10-21

Abstract

The utility model belongs to the technical field of the elevator, especially, prevent unexpected device that removes of elevator car, there is the device not to have locate function among the prior art, when second clamping device presss from both sides tightly the car, the weight of car can transmit on the second driving motor, the second driving motor atress is great this moment, can cause it to damage, consequently still have the car when descending rapidly, the centre gripping unstability to the car can appear, the not high problem of security, the scheme as follows now is proposed, it includes two bottom plates and backup pad, is located leftwards the first motor of fixedly connected with on the bottom plate, the left side fixedly connected with who is located the bottom plate on right side rotates the seat, the utility model discloses a simple structure has realized that the rotation to the horizon bar is spacing, can make second clamping device more firm to the centre gripping of car simultaneously, when the car descends rapidly, can carry out stable centre gripping to the car, security and practicality are strong.

Description

Device for preventing accidental movement of elevator car

Technical Field

The utility model relates to an elevator technical field especially relates to a prevent unexpected device that removes of elevator car.

Background

In the prior art, the utility model discloses a device for preventing accidental removal of elevator car is disclosed in patent application No. 202021256407.8, including strutting arrangement, first clamping device and second clamping device, strutting arrangement sets up subaerial, second clamping device sets up the below at strutting arrangement, first clamping device sets up in strutting arrangement, first clamping device sets up the top at strutting arrangement, second clamping device includes the backup pad, the backup pad sets up in strutting arrangement, through setting up first clamping device and second clamping device when elevator car descends rapidly, the car presss from both sides tightly under the combined action of first clamping device and second clamping device and makes the car can not descend rapidly, make the car fix a position, the rigidity of car can make personnel in the car no longer feel panic, also avoid appearing harming people's life health because of descending rapidly simultaneously, make the elevator manage when working safely and reliably more.

However, according to the technical scheme, the device does not have a positioning function, when the second clamping device clamps the car, the weight of the car is transmitted to the second driving motor, and the second driving motor is stressed greatly and can be damaged, so that the problems that when the car descends rapidly, the car is clamped unstably and the safety is not high can occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the device not have locate function among the prior art, when second clamping device pressed from both sides tightly the car, the weight of car can transmit on the second driving motor, and second driving motor atress is great this moment, can cause its damage, when consequently still having the car to descend rapidly, probably appear the centre gripping unstability to the car, the not high shortcoming of security, and the device that prevents the unexpected removal of elevator car that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a prevent unexpected device that removes of elevator car, including two bottom plates and backup pad, be located left the first motor of fixedly connected with on the bottom plate, the seat is rotated to the left side fixedly connected with of the bottom plate that is located the right side, equal fixedly connected with horizon bar on the left side of rotating the seat and the output shaft of first motor, the same pivot of one end fixedly connected with that two horizon bars are close to each other, it is equipped with the swivel becket to rotate the cover in the pivot, the top fixedly connected with montant of swivel becket, the top of montant is rotated and is connected with the connecting rod, the top of connecting rod run through the backup pad and with backup pad sliding connection, it is equipped with the protecting box to rotate the cover on the horizon bar that is located the right side, the right side fixed connection of protecting box is in the left side of the bottom plate that is located the right side, the inside of protecting box is provided with fixed establishment, fixed establishment cooperatees with the draw-in groove.

Preferably, fixed establishment includes the carriage release lever, the kelly, the second motor, the lead screw, the nut, installation pole and fender axle, the left end sliding connection of carriage release lever is on the left side inner wall of protecting box, the top fixed connection of kelly is in the bottom of carriage release lever, the top of carriage release lever and the top inner wall elastic connection of protecting box, second motor fixed connection is at the top of protecting box, the output shaft of second motor runs through the top of protecting box and extends to the inside of protecting box, the output shaft of second motor and the top fixed connection of lead screw, fixed mounting has the mounting panel on the bottom plate that is located the right side, the top of connecting the mounting panel is rotated to the bottom of lead screw, nut and lead screw threaded connection, the right-hand member fixed connection of installation pole is in the left side of nut, keep off axle fixed connection in the front side of installation pole, keep off the axle and runner cooperate.

Furthermore, through the spacing cooperation of grafting between kelly and the draw-in groove, can carry out spacing fixed to the rotation of horizon bar to can realize just can keeping the centre gripping steadiness of second clamping device to the car to the rigidity of montant and connecting rod, through the transmission between second motor and the kelly, can relieve the grafting between kelly and the draw-in groove spacing.

Preferably, a sliding groove is formed in the inner wall of the left side of the protection box, and the left end of the moving rod is connected in the sliding groove in a sliding mode.

Furthermore, the movable rod can be stably supported in a sliding mode and limited in sliding mode through the sliding groove.

Preferably, the top fixedly connected with reset spring of carriage release lever, reset spring's top fixed connection is on the top inner wall of protective housing.

Furthermore, the reset spring is arranged to drive the movable rod and the clamping rod to move downwards for resetting.

Preferably, the right end of the moving rod is fixedly connected with a rectangular ring, and the front end of the blocking shaft penetrates through the rectangular ring and is in sliding connection with the inner wall of the rectangular ring.

Furthermore, the rectangular ring can be used for facilitating the connection and transmission between the moving rod and the mounting rod.

Preferably, the right side fixedly connected with telescopic link of nut, the top fixed connection of telescopic link is on the top inner wall of protective housing.

Furthermore, the telescopic rod can enable the movement of the nut to be more stable.

Has the advantages that: the rotation of the horizontal rod can be limited and fixed through the insertion limit matching between the clamping rod and the clamping groove, so that the position fixing of the vertical rod and the connecting rod can be realized, the clamping stability of the second clamping device on the lift car can be kept in the same way, the damage of the first motor caused by stress due to the fact that the weight of the lift car is applied to the first motor is avoided, the insertion limit between the clamping rod and the clamping groove can be relieved through the transmission between the second motor and the clamping rod, and the lift car can be conveniently clamped and fixed by the device for preventing the lift car from accidentally moving;

the utility model discloses a simple structure has realized spacing to the rotation of horizon bar, can make second clamping device more firm to the centre gripping of car simultaneously, when the car descends rapidly, can carry out stable centre gripping to the car, and security and practicality are strong.

Drawings

Fig. 1 is a front view of the structure of a device for preventing an elevator car from moving accidentally according to the present invention;

fig. 2 is a schematic structural view of a part a in fig. 1 of a device for preventing an elevator car from moving accidentally according to the present invention;

fig. 3 is a three-dimensional structural view of a moving rod and a rectangular ring of the device for preventing the elevator car from moving accidentally according to the present invention;

fig. 4 is the utility model provides a prevent unexpected device telescopic link's that removes of elevator car structure three-dimensional map.

In the figure: 1. a base plate; 2. a support plate; 3. a first motor; 4. a horizontal bar; 5. a rotating shaft; 6. a rotating ring; 7. a vertical rod; 8. a connecting rod; 9. a rotating seat; 10. a card slot; 11. a protective box; 12. a travel bar; 13. a clamping rod; 14. a chute; 15. a return spring; 16. a rectangular ring; 17. a second motor; 18. a screw rod; 19. a nut; 20. mounting a rod; 21. a blocking shaft; 22. a telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a device for preventing an elevator car from moving accidentally comprises two bottom plates 1 and a support plate 2, a first motor 3 is welded on the bottom plate 1 on the left side, a rotating seat 9 is welded on the left side of the bottom plate 1 on the right side, horizontal rods 4 are welded on the left side of the rotating seat 9 and on output shafts of the first motor 3, a rotating shaft 5 is welded on one end of each of the two horizontal rods 4 close to each other, a rotating ring 6 is sleeved on the rotating shaft 5, a vertical rod 7 is welded on the top of the rotating ring 6, the top end of the vertical rod 7 is rotatably connected with a connecting rod 8 through a shaft, the top end of the connecting rod 8 penetrates through the support plate 2 and is in sliding connection with the support plate 2, a protective box 11 is sleeved on the horizontal rod 4 on the right side in a rotating manner, the right side of the protective box 11 is welded on the left side of the bottom plate 1 on the right side, a clamping groove 10 is formed in the bottom of the horizontal rod 4 on the right side, and a fixing mechanism is arranged inside of the protective box 11, the fixing mechanism is matched with the clamping groove 10 and comprises a moving rod 12, a clamping rod 13, a second motor 17, a screw rod 18, a nut 19, a mounting rod 20 and a blocking shaft 21, the left end of the moving rod 12 is connected to the inner wall of the left side of the protection box 11 in a sliding mode, the top end of the clamping rod 13 is welded to the bottom of the moving rod 12, the top of the moving rod 12 is elastically connected with the inner wall of the top of the protection box 11, the second motor 17 is welded to the top of the protection box 11, an output shaft of the second motor 17 penetrates through the top of the protection box 11 and extends into the protection box 11, the output shaft of the second motor 17 is welded to the top end of the screw rod 18, a mounting plate is fixedly mounted on the bottom plate 1 on the right side, the bottom end of the screw rod 18 is rotatably connected to the top of the mounting plate through a shaft, the nut 19 is in threaded connection with the screw rod 18, and the right end of the mounting rod 20 is welded to the left side of the nut 19, a stopper shaft 21 is welded to the front side of the mounting rod 20, and the stopper shaft 21 is engaged with the moving rod 12.

Borrow by above-mentioned structure, through the spacing cooperation of pegging graft between kelly 13 and draw-in groove 10, can carry out spacing fixed to the rotation of horizon bar 4 to can realize the rigidity to montant 7 and connecting rod 8, just can keep the centre gripping steadiness of second clamping device to the car like this, through the transmission between second motor 17 and the kelly 13, can remove the grafting between kelly 13 and draw-in groove 10 spacing.

The utility model discloses in, seted up spout 14 on the left side inner wall of guard box 11, the left end sliding connection of carriage release lever 12 can carry out stable slip support and slip spacing to carriage release lever 12 through seting up spout 14 in spout 14.

The utility model discloses in, the top welding of carriage release lever 12 has reset spring 15, and the top welding of reset spring 15 is on the top inner wall of protective housing 11, can drive carriage release lever 12 and kelly 13 through setting up reset spring 15 and move downwards and reset.

The utility model discloses in, the right-hand member welding of carriage release lever 12 has rectangular ring 16, and the front end of keeping off axle 21 runs through rectangular ring 16 and with rectangular ring 16's inner wall sliding connection, can be convenient for be connected and the transmission between carriage release lever 12 and the installation pole 20 through setting up rectangular ring 16.

The utility model discloses in, the right side welding of nut 19 has telescopic link 22, and the top welding of telescopic link 22 is on the top inner wall of protective housing 11, can make nut 19's motion more stable through setting up telescopic link 22.

The working principle is as follows: when the elevator car stop device is used, the first motor 3 is started firstly, the two horizontal rods 4 and the rotating shaft 5 can be driven to rotate, when the horizontal rod 4 on the right side rotates, the clamping groove 10 can rotate and corresponds to the bottom end of the clamping rod 13, when the clamping rod 13 corresponds to the clamping groove 10, the movable rod 12, the rectangular ring 16 and the clamping rod 13 can be driven to move downwards through the elastic resetting characteristic of the reset spring 15, when the clamping rod 13 moves downwards, the clamping rod 13 can be inserted into the clamping groove 10 at the moment, through the insertion limit fit between the clamping rod 13 and the clamping groove 10, the rotation of the horizontal rod 4 can be limited and fixed, so that the position fixing of the vertical rod 7 and the connecting rod 8 can be realized, the clamping stability of the second clamping device to the car can be maintained, in addition, the second motor 17 is started, the screw rod 18 can be driven to rotate, when the screw rod 18 rotates, through the transmission fit between the screw rod 18 and the nut 19, the nut 19 can be driven to move upwards, when the nut 19 moves upwards, the installation rod 20 can be driven to move upwards, when the clamping rod 13 and the stop rod 13 and the axial movement can be removed, when the clamping rod 13 and the axial movement upwards, when the horizontal rod 13 and the axial movement can be removed, when the horizontal rod 13 and the axial movement can be removed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a prevent unexpected device that removes of elevator car, including two bottom plates (1) and backup pad (2), a serial communication port, it is left to be located first motor (3) of fixedly connected with on bottom plate (1), the left side fixedly connected with of bottom plate (1) that is located the right side rotates seat (9), equal fixedly connected with horizon bar (4) on the left side of rotating seat (9) and the output shaft of first motor (3), the same pivot (5) of one end fixedly connected with that two horizon bars (4) are close to each other, it is equipped with swivel becket (6) to rotate the cover on pivot (5), the top fixedly connected with montant (7) of swivel becket (6), the top of montant (7) is rotated and is connected with connecting rod (8), the top of connecting rod (8) runs through backup pad (2) and with backup pad (2) sliding connection, it is equipped with guard box (11) to rotate the cover on horizon bar (4) that is located the right side, the right side fixed connection is in the left side of bottom plate (1) that is located the right side, draw-in groove (10) has been seted up to the bottom of horizon bar (4) that is located the right side, the inside of guard box (11) is provided with fixed establishment and draw-in-phase.

2. The device for preventing the elevator car from accidentally moving is characterized in that the fixing mechanism comprises a moving rod (12), a clamping rod (13), a second motor (17), a screw rod (18), a nut (19), a mounting rod (20) and a blocking shaft (21), the left end of the moving rod (12) is slidably connected to the inner wall of the left side of the protective box (11), the top end of the clamping rod (13) is fixedly connected to the bottom of the moving rod (12), the top of the moving rod (12) is elastically connected to the inner wall of the top of the protective box (11), the second motor (17) is fixedly connected to the top of the protective box (11), an output shaft of the second motor (17) penetrates through the top of the protective box (11) and extends into the protective box (11), the output shaft of the second motor (17) is fixedly connected to the top end of the screw rod (18), a mounting plate is fixedly mounted on the bottom plate (1) on the right side, the bottom end of the screw rod (18) is rotatably connected to the top of the mounting plate, the nut (19) is in threaded connection with the screw rod (20), and the mounting rod (21) is fixedly connected to the right end of the screw rod (12), and the mounting shaft (21) is matched with the front side of the mounting rod (21).

3. The device for preventing the elevator car from moving accidentally as claimed in claim 2, characterized in that the protective box (11) has a sliding groove (14) formed on the left inner wall, and the moving rod (12) is slidably connected at the left end in the sliding groove (14).

4. A device for preventing unintended movement of an elevator car according to claim 2, characterized in that a return spring (15) is fixedly connected to the top of the moving bar (12), and the top end of the return spring (15) is fixedly connected to the top inner wall of the protective box (11).

5. The device for preventing the accidental movement of the elevator car according to claim 2, characterized in that the right end of the moving rod (12) is fixedly connected with a rectangular ring (16), and the front end of the blocking shaft (21) penetrates through the rectangular ring (16) and is connected with the inner wall of the rectangular ring (16) in a sliding way.

6. Device for preventing accidental movement of an elevator car according to claim 2, characterized in that the right side of the nut (19) is fixedly connected with a telescopic rod (22), the top end of the telescopic rod (22) being fixedly connected to the top inner wall of the protective box (11).