CN220467236U - Anti-falling protection device - Google Patents

Abstract

The utility model relates to the technical field of elevator equipment, in particular to an anti-falling protection device, which comprises a lift car, wherein the outer wall of the lift car is fixedly connected with a shell, the inside of the shell is rotationally connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a gear, the outer wall of the gear is in meshed connection with a toothed plate, one side of the toothed plate is fixedly connected with a guide rail, the inside of the rotating shaft is provided with a sliding groove, the inner side wall of the sliding groove is provided with a limit groove, the inner wall of the limit groove is in sliding connection with a clamping block, and the inside of the sliding groove is in sliding connection with a sliding rod. According to the elevator, the rotating shaft is connected through the inner rotation of the shell, the gear is fixedly connected to the outer wall of the rotating shaft, when the elevator suddenly drops, the gear can rotate in an accelerating mode, the clamping block can be released to squeeze the sliding rod under the action of inertia, the sliding rod is clamped into the fixing groove, the gear stops rotating, the toothed plate is connected through the outer wall of the gear in a meshed mode, the gear can be stopped on the outer wall of the toothed plate, and the elevator stops dropping.

Description

Anti-falling protection device

Technical Field

The utility model relates to the technical field of elevator equipment, in particular to an anti-falling protection device.

Background

The elevator is an elevator using electricity as power in a building, and replaces equipment for walking up and down stairs, and the anti-falling protection device is equipment for preventing the elevator from suddenly falling.

The utility model discloses an elevator hydraulic anti-falling protection device, which comprises an elevator car, a guide rail and also comprises: the controller is arranged at the top of the car; the speed measuring device comprises a roller and an encoder arranged on the roller, and an annular groove clamped on the guide rail is arranged on the outer surface of the roller; the protection device comprises a support and a base, wherein the support and the base are fixed on the lower beam of the car, an oil tank is arranged on the support, a hydraulic driving device and a first clamping piece and a second clamping piece which are respectively clamped with the guide rails on two sides are arranged on the base, and the first clamping piece and the second clamping piece move under the action of the hydraulic driving device. The device can rapidly detect the elevator stall and rapidly and effectively prevent the elevator from falling.

The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: when the elevator is in use, the anti-falling protection device is required to be installed, the existing anti-falling protection device is limited to the traction rope through the top, so that the effect of preventing the elevator from falling down is achieved, when the anti-falling device at the top breaks down, the elevator can only be protected through the buffer column at the bottom of the elevator shaft, and the elevator car is limited to the guide rail, so that the protection performance of the elevator is reduced.

Therefore, there is a need to provide a fall protection device.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model aims to provide the anti-falling protection device which can be used for conveniently carrying out anti-falling protection on an elevator.

(II) technical scheme

In order to achieve the above purpose, the utility model provides the following technical scheme, namely, an anti-falling protection device, which adopts the following technical scheme: the elevator car comprises a car body, wherein the outer wall of the car body is fixedly connected with a shell, a rotating shaft is connected to the inner part of the shell in a rotating mode, a gear is fixedly connected to the outer wall of the rotating shaft, a toothed plate is connected to the outer wall of the gear in a meshed mode, a guide rail is fixedly connected to one side of the toothed plate, and a sliding groove is formed in the rotating shaft.

The limiting groove is formed in the inner side wall of the sliding groove, a clamping block is connected to the inner wall of the limiting groove in a sliding mode, and a sliding rod is connected to the inner portion of the sliding groove in a sliding mode.

As the preferable scheme, for closely laminating between gear and the pinion rack, one side fixedly connected with spring of fixture block can make the gear rotate along the pinion rack when preventing the protection of weighing down to the elevator.

As the preferred scheme, the bottom fixedly connected with base of car, the inside sliding connection of base has the support column, when preventing weighing down the protection to the elevator, can make the support column slide along the base.

As the preferable scheme, the one end fixedly connected with of support column accepts the board, it has first damping spring to accept one side fixedly connected with of board, when preventing weighing down the protection to the elevator, can make the support column remove and drive and accept the board and remove.

As the preferable scheme, one side of the bearing plate is rotationally connected with a supporting rod, and when the elevator is subjected to anti-falling protection, the bearing plate can be made to move to drive the supporting rod to rotate.

As the preferable scheme, the one end rotation of vaulting pole is connected with the second damping spring, when preventing weighing down the protection to the elevator, can make the vaulting pole extrude the second damping spring.

(III) beneficial effects

Compared with the prior art, the utility model provides the anti-falling protection device, which has the following beneficial effects:

1. according to the elevator anti-falling protection device, the shell, the rotating shaft, the gears, the toothed plate, the clamping blocks, the fixing grooves and the sliding rods are arranged, when a user carries out anti-falling protection on an elevator, the rotating shaft is connected through the inner rotation of the shell, the gears are fixedly connected to the outer wall of the rotating shaft, when the elevator suddenly falls down, the gears are accelerated to rotate, the clamping blocks can be released to squeeze the sliding rods under the action of inertia, the sliding rods are clamped into the fixing grooves, the gears stop rotating, the toothed plates are connected through the outer wall engagement of the gears, and therefore the gears can be stopped on the outer wall of the toothed plate, and the elevator stops falling.

2. According to the elevator buffer protection device, the supporting columns, the bearing plates, the first damping springs, the supporting rods and the second damping springs are arranged, when a user buffers and protects the elevator, the supporting columns can be extruded through the elevator falling to the bottom of the shaft, the bearing plates extrude the first damping springs, the supporting rods are connected to one sides of the bearing plates in a rotating mode, and therefore the supporting rods extrude the second damping springs, and buffer protection effects are achieved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

fig. 2 is a perspective view of the car of the present utility model;

FIG. 3 is a side cross-sectional view of the housing of the present utility model;

FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present utility model;

fig. 5 is a front cross-sectional view of the base of the present utility model.

In the figure: 1. a car; 2. a housing; 3. a rotating shaft; 4. a gear; 5. a toothed plate; 6. a guide rail; 7. a chute; 8. a limit groove; 9. a clamping block; 10. a fixing groove; 11. a base; 12. a support column; 13. a receiving plate; 14. a first damping spring; 15. a brace rod; 16. a second damping spring; 17. and a slide bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-5, this embodiment provides a rack adjusting guide assembly, including car 1, the outer wall fixedly connected with shell 2 of car 1, the inside rotation of shell 2 is connected with pivot 3, the outer wall fixedly connected with gear 4 of pivot 3, the outer wall meshing of gear 4 is connected with pinion rack 5, one side fixedly connected with guide rail 6 of pinion rack 5, spout 7 has been seted up to the inside of pivot 3, through setting up shell 2, pivot 3, gear 4, pinion rack 5, fixture block 9, fixed slot 10 and slide bar 17, when the user is to the elevator protection of preventing weighing down, be connected with pivot 3 through the inside rotation of shell 2, and the outer wall fixedly connected with gear 4 of pivot 3, when the elevator takes place suddenly to weigh down, can make gear 4 rotate with higher speed, can make fixture block 9 release the extrusion to slide bar 17 under the effect of inertia, make slide bar 17 block into fixed slot 10, make gear 4 stop rotating, be connected with pinion rack 5 through the outer wall meshing of gear 4, can make gear 4 stop at the outer wall of pinion rack 5, make the elevator stop to weigh down.

The limiting groove 8 has been seted up to the inside wall of spout 7, the inner wall sliding connection of limiting groove 8 has fixture block 9, the inside sliding connection of spout 7 has slide bar 17, the draw-in groove has been seted up to the inside of slide bar 17, and the draw-in groove looks block of the inside seting up of fixture block 9 and slide bar 17, through setting up support column 12, accept board 13, first damping spring 14, vaulting pole 15 and second damping spring 16, when the user carries out buffer protection to the elevator, through the elevator whereabouts to the shaft bottom, can extrude support column 12, make accept board 13 extrude first damping spring 14, rotate through one side of accepting board 13 and be connected with vaulting pole 15, can make vaulting pole 15 extrude second damping spring 16, play buffer protection's effect.

The gear 4 is tightly attached to the toothed plate 5, a spring is fixedly connected to one side of the clamping block 9, and the gear 4 can rotate along the toothed plate 5 when the elevator is subjected to anti-falling protection.

The bottom fixedly connected with base 11 of car 1, the inside sliding connection of base 11 has support column 12, when preventing the protection of weighing down to the elevator, can make support column 12 slide along base 11.

One end of the support column 12 is fixedly connected with a bearing plate 13, one side of the bearing plate 13 is fixedly connected with a first damping spring 14, and when the elevator is subjected to anti-falling protection, the support column 12 can be made to move to drive the bearing plate 13 to move.

One side of the bearing plate 13 is rotatably connected with a stay bar 15, and when the elevator is subjected to anti-falling protection, the bearing plate 13 can be moved to drive the stay bar 15 to rotate.

One end of the stay bar 15 is rotatably connected with a second damping spring 16, and when the elevator is in anti-falling protection, the stay bar 15 can squeeze the second damping spring 16.

The working principle of the utility model is as follows: when the elevator is protected against falling by a user, the rotating shaft 3 is connected through the inner rotation of the shell 2, the gear 4 is fixedly connected with the outer wall of the rotating shaft 3, when the elevator suddenly falls down, the gear 4 is accelerated to rotate, the clamping block 9 is released to squeeze the sliding rod 17 under the action of inertia, the sliding rod 17 is clamped into the fixed groove 10, the gear 4 stops rotating, the toothed plate 5 is connected through the outer wall engagement of the gear 4, the gear 4 can be stopped on the outer wall of the toothed plate 5, the elevator stops falling, when the elevator is buffer protected by the user, the elevator falls to the bottom of the well, the supporting column 12 can be squeezed, the bearing plate 13 is used for squeezing the first damping spring 14, one side of the bearing plate 13 is rotationally connected with the supporting rod 15, the supporting rod 15 can be used for squeezing the second damping spring 16, and the buffer protection effect is achieved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a prevent weighing down protection device, includes car (1), its characterized in that: the elevator car is characterized in that the outer wall of the elevator car (1) is fixedly connected with a shell (2), a rotating shaft (3) is rotatably connected in the shell (2), a gear (4) is fixedly connected to the outer wall of the rotating shaft (3), a toothed plate (5) is connected to the outer wall of the gear (4) in a meshed mode, a guide rail (6) is fixedly connected to one side of the toothed plate (5), and a sliding groove (7) is formed in the rotating shaft (3);

the limiting groove (8) is formed in the inner side wall of the sliding groove (7), a clamping block (9) is connected to the inner wall of the limiting groove (8) in a sliding mode, and a sliding rod (17) is connected to the inner portion of the sliding groove (7) in a sliding mode.

2. The fall arrest protection device as defined in claim 1, wherein: the gear (4) is tightly attached to the toothed plate (5), and a spring is fixedly connected to one side of the clamping block (9).

3. The fall arrest protection device as defined in claim 1, wherein: the bottom of car (1) fixedly connected with base (11), the inside sliding connection of base (11) has support column (12).

4. A fall arrest protection device according to claim 3, wherein: one end of the supporting column (12) is fixedly connected with a bearing plate (13), and one side of the bearing plate (13) is fixedly connected with a first damping spring (14).

5. The fall arrest protection device as defined in claim 4, wherein: one side of the bearing plate (13) is rotatably connected with a stay bar (15).

6. The fall arrest protection device as defined in claim 5, wherein: one end of the stay bar (15) is rotatably connected with a second damping spring (16).