CN212503547U

CN212503547U - Elevator traction sheave device with safety protection structure

Info

Publication number: CN212503547U
Application number: CN202021046567.XU
Authority: CN
Inventors: 苏永潮
Original assignee: Changshu Huashi Precision Machinery Co ltd
Current assignee: Changshu Huashi Precision Machinery Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-02-09
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses an elevator driving sheave device with safety protection structure relates to elevator driving sheave technical field, the loach carrying platform comprises a supporting fram, one side fixedly connected with pivot speed measuring module of support frame, one side of pivot speed measuring module is equipped with first motor, the first output shaft of one end fixedly connected with of first motor, the first pivot of one end fixedly connected with of first output shaft, the middle part fixedly connected with cylinder of first pivot, the first bearing of the equal fixedly connected with in both ends of first pivot, the both sides of first pivot all are equipped with fixed slide bar. This elevator driving sheave device with safety protection structure through the cooperation setting between second motor, first connecting piece, traction piece, second connecting piece, second promotion slider, non slipping spur, spill driving sheave and the fixed slide bar, has reached under emergency, the effect of braking immediately, prevents to take off the slip, has solved the elevator simultaneously and has sharply descended, causes the problem of casualties.

Description

Elevator traction sheave device with safety protection structure

Technical Field

The utility model relates to an elevator driving sheave technical field specifically is an elevator driving sheave device with safety protection structure.

Background

The traction sheave is a rope sheave on a traction machine, also called a traction rope sheave or a driving rope sheave, is a device for transmitting traction power by an elevator, utilizes the friction force between a traction steel wire rope and a rope groove on the edge of the traction sheave to transmit power, is arranged on a turbine shaft in a speed reducer, such as a gearless traction machine, is arranged beside a brake and is on the same axis with a motor shaft and a brake shaft, and in order to ensure the safe operation of the elevator, the safe and effective traction sheave must be used to prevent accidents, generate safety accidents and ensure the life safety of personnel in the elevator.

In chinese utility model patent application no: CN201921164531.9 discloses an elevator traction sheave, which includes a wheel body and a rope groove, the rope groove is disposed at the edge of the wheel body and can accommodate a traction rope, the rope groove includes a plurality of rope grooves with the same structure, the rope groove includes a bottom portion, a side portion and a bending portion, the bottom portion and the side portion can contact with the traction rope, the bottom portion and the side portion are arc surfaces, the bottom portion is provided with a wear-resistant coating and a wear-resistant cushion layer, the wear-resistant cushion layer is located above the wear-resistant coating, and the side portion is provided with a wear-resistant coating. The elevator traction sheave is also provided with no emergency braking device in the use process, and the elevator traction sheave can not effectively solve the emergency at high speed when power failure or other accidents occur, and can not eliminate the generated impact force in the accidental falling process to cause personnel injury in the elevator.

Therefore, it is necessary to provide an elevator traction sheave apparatus having a safety protection structure to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide an elevator driving sheave device with safety protection structure to solve the current elevator driving sheave that provides in the above-mentioned background art, in the use, do not have emergency braking device, taking place to have a power failure or other unexpected incidents, can not effectively solve emergency at a high speed, at the in-process of falling that takes place to accident, can not eliminate the impact force that produces, cause the problem of personnel's injury in the elevator.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an elevator traction sheave device with a safety protection structure comprises a support frame, wherein a rotating shaft speed measuring module is fixedly connected to one side of the support frame, a first motor is arranged on one side of the rotating shaft speed measuring module, a first output shaft is fixedly connected to one end of the first motor, a first rotating shaft is fixedly connected to one end of the first output shaft, a roller is fixedly connected to the middle of the first rotating shaft, first bearings are fixedly connected to two ends of the first rotating shaft, fixed sliding rods are arranged on two sides of the first rotating shaft, a concave traction sheave is fixedly connected to the outer wall of the roller, second pushing sliding blocks are arranged on two sides of the concave traction sheave, second bearings are fixedly connected to the inside of the second pushing sliding blocks, anti-skidding blocks are fixedly connected to two ends of one side of each second pushing sliding block, and traction blocks are fixedly connected to two ends of the other side of each second pushing sliding block, one end of the traction block is fixedly connected with a first pushing slide block, the two ends of the first pushing slide block are fixedly connected with a second connecting piece, one end of the second connecting piece is movably connected with a traction piece, one end of the traction piece is movably connected with a first connecting piece, one end of the first connecting piece is slidably connected with a wheel disc, one end of the wheel disc is fixedly connected with a second rotating shaft, the outer wall of the second rotating shaft is fixedly connected with a third bearing, one end of the second rotating shaft is fixedly connected with a second output shaft, one end of the second output shaft is fixedly connected with a second motor, the two sides of the bottom end of the support frame are fixedly connected with second fixing connecting pieces, the bottom of the support frame is provided with a first fixing connecting piece, the two ends of the first fixing connecting piece are fixedly connected with damping plates, and the bottom end of the first fixing connecting piece is fixedly connected, the bottom fixedly connected with vertical stand column of first fixed block, the equal fixedly connected with third connecting piece in both sides of vertical stand column, the first damping spring of bottom fixedly connected with of vertical stand column, the bottom fixedly connected with base of first damping spring, the equal fixedly connected with vertical stand board in both ends of base, one side fixedly connected with second fixed block of vertical stand board, the top fixedly connected with fourth connecting piece of second fixed block, the inside swing joint of fourth connecting piece has the cylindric block, the inside of cylindric block is seted up flutedly, the top fixedly connected with baffle of cylindric block, the inside of recess is equipped with second damping spring, second damping spring's top fixedly connected with slide bar.

Preferably, the first bearing is fixedly connected with the support frame, and the third bearing is fixedly connected with the support frame.

Preferably, there are two first pushing sliding blocks, two second rotating shafts, two wheel discs, two first bearings, two third bearings and two second bearings.

Preferably, the fixed sliding rod penetrates through the two first pushing sliders and is connected with the first pushing sliders in a sliding manner.

Preferably, the first pushing slide block and the second bearing are both connected with the first rotating shaft in a sliding mode.

Preferably, the traction block, the antiskid block, the first connecting piece, the traction piece and the second connecting piece are all multiple, and the antiskid blocks correspond to the concave traction sheave.

Preferably, the second damping spring is fixedly connected with the cylindrical block.

Preferably, the sliding rod is connected with the baffle in a sliding manner.

(III) advantageous effects

Compared with the prior art, the utility model provides an elevator driving sheave device with safety protection structure possesses following beneficial effect:

1. this elevator traction sheave device that has safety protection structure through the cooperation setting between second motor, second output shaft, second pivot, rim plate, first connecting piece, traction piece, second connecting piece, first promotion slider, traction block, second promotion slider, non slipping spur, spill traction sheave and the fixed slide bar, has reached under emergency, the effect of braking immediately, prevents to take off the cunning, has solved the elevator simultaneously sharply and has descended, causes the problem of casualties.

2. This elevator driving sheave device that has safety protection structure through the cooperation setting between support frame, second fixed connector, shock attenuation board, first fixed connector, first fixed block, vertical stand post, first damping spring, third connecting piece, fourth connecting piece, slide bar, second damping spring and the baffle, can effectually solve under the elevator emergency braking, the damage that the impact force that produces led to the fact elevator inside personnel.

Drawings

Fig. 1 is a schematic top view partially in section of the supporting frame structure of the present invention;

fig. 2 is a schematic front view of the vertical standing plate structure of the present invention;

fig. 3 is a schematic perspective view of the supporting frame structure of the present invention;

fig. 4 is a schematic cross-sectional view of the cylindrical block structure of the present invention.

In the figure: 1. a support frame; 2. a rotating shaft speed measuring module; 3. a first output shaft; 4. a first motor; 5. a first bearing; 6. fixing the sliding rod; 7. a drum; 8. a second motor; 9. a second output shaft; 10. a first rotating shaft; 11. a second bearing; 12. a first push slider; 13. a traction block; 14. a second push slider; 15. anti-skid blocks; 16. a concave traction sheave; 17. a wheel disc; 18. a second rotating shaft; 19. a third bearing; 20. a first connecting member; 21. a traction member; 22. a second connecting member; 23. a vertical standing board; 24. a first fixed block; 25. a fourth connecting member; 26. a second fixed block; 27. a base; 28. a first damping spring; 29. a vertical standing pillar; 30. a third connecting member; 31. a damper plate; 32. a first fixed connector; 33. a second fixed connector; 34. a cylindrical block; 35. a baffle plate; 36. a slide bar; 37. a groove; 38. a second damping spring.

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, an elevator traction sheave device with a safety protection structure includes a supporting frame 1, a rotating shaft speed measuring module 2 fixedly connected to one side of the supporting frame 1, a first motor 4 disposed on one side of the rotating shaft speed measuring module 2, a first output shaft 3 fixedly connected to one end of the first motor 4, and a first shaft bearing 5 fixedly connected to both ends of the first rotating shaft 10, a fixed sliding rod 6 disposed on both sides of the first rotating shaft 10, a concave traction sheave 16 fixedly connected to an outer wall of the first output shaft 3, a second push slider 14 disposed on both sides of the concave traction sheave 16, and a second bearing 11 fixedly connected to an inner portion of the second push slider 14, a second bearing 11 is arranged in the second pushing slide block 14, which can reduce the friction force between the second pushing slide block 14 and the first rotating shaft 10 and prevent the locking condition from occurring, two ends of one side of the second pushing slide block 14 are fixedly connected with anti-skid blocks 15, two ends of the other side of the second pushing slide block 14 are fixedly connected with traction blocks 13, one end of each traction block 13 is fixedly connected with a first pushing slide block 12, a fixed slide rod 6 penetrates through the two first pushing slide blocks 12 and is in sliding connection with the first pushing slide blocks 12, the first pushing slide blocks 12 and the second bearing 11 are both in sliding connection with the first rotating shaft 10, two ends of the first pushing slide blocks 12 are both fixedly connected with second connecting pieces 22, one end of each second connecting piece 22 is movably connected with a traction piece 21, one end of each traction piece 21 is movably connected with a first connecting piece 20, the traction blocks 13, the anti-skid blocks 15, the first connecting pieces 20, the traction pieces 21 and the second connecting pieces 22 are, the anti-skid blocks 15 correspond to the concave traction wheel 16, one end of the first connecting piece 20 is slidably connected with a wheel disc 17, the wheel disc 17 drives the first connecting piece 20 to start moving, the bilateral symmetry motion is vertical symmetry, the first connecting piece 20 drives the traction piece 21 to start moving, the second connecting piece 22 is driven to draw the two first pushing sliders 12 together and slide on the outer wall of the fixed sliding rod 6, the fixed sliding rod 6 not only can play a role of fixing, but also can balance the first pushing sliders 12, one end of the wheel disc 17 is fixedly connected with a second rotating shaft 18, the outer wall of the second rotating shaft 18 is fixedly connected with a third bearing 19, the third bearing 19 can effectively reduce the friction force between the second rotating shaft 18 and the support frame 1, and the first pushing slider 12, the second rotating shaft 18, the wheel disc 17, the first bearing 5, The elevator braking device comprises two third bearings 19 and two second bearings 11, a first bearing 5 is fixedly connected with a support frame 1, the third bearings 19 are fixedly connected with the support frame 1, one end of a second rotating shaft 18 is fixedly connected with a second output shaft 9, one end of the second output shaft 9 is fixedly connected with a second motor 8, through the matching arrangement of the second motor 8, the second output shaft 9, the second rotating shaft 18, a wheel disc 17, a first connecting piece 20, a traction piece 21, a second connecting piece 22, a first pushing sliding block 12, a traction block 13, a second pushing sliding block 14, an anti-skidding block 15, a concave traction wheel 16 and a fixed sliding rod 6, the effect of immediately braking in an emergency state is achieved, the concave traction wheel 16 is prevented from slipping, meanwhile, the problem that the elevator rapidly descends and causes casualties is solved, in the clamping process, the elevator at the lower part can generate downward impact force, the second fixed connecting pieces 33 are fixedly connected with two sides of the bottom end of the support frame 1, the bottom of the support frame 1 is provided with a first fixed connecting piece 32, both ends of the first fixed connecting piece 32 are fixedly connected with damping plates 31, the bottom end of the first fixed connecting piece 32 is fixedly connected with a first fixed block 24, the bottom end of the first fixed block 24 is fixedly connected with a vertical standing column 29, both sides of the vertical standing column 29 are fixedly connected with third connecting pieces 30, the bottom end of the vertical standing column 29 is fixedly connected with a first damping spring 28, the bottom end of the first damping spring 28 is fixedly connected with a base 27, both ends of the base 27 are fixedly connected with a vertical standing plate 23, one side of the vertical standing plate 23 is fixedly connected with a second fixed block 26, the top end of the second fixed block 26 is fixedly connected with a fourth connecting piece 25, the inside of the fourth connecting piece 25 is movably connected with a cylindrical block 34, the inside of the cylindrical block 34 is provided with a groove 37, the top end of the cylindrical block 34 is fixedly connected with a, second damping spring 38 and cylindricality piece 34 fixed connection, the top fixedly connected with slide bar 36 of second damping spring 38, remaining impact force will be eliminated through second damping spring 38 and first damping spring 28, reach absorbing effect, prevent that the inside personnel of elevator from causing the dangerous emergence of damage because the impact force, guarantee the safety of personnel in the electricity, slide bar 36 and baffle 35 sliding connection, through support frame 1, second fixed connector 33, damping plate 31, first fixed connector 32, first fixed block 24, vertical stand column 29, first damping spring 28, third connecting piece 30, fourth connecting piece 25, slide bar 36, the cooperation setting between second damping spring 38 and the baffle 35, can effectually solve under the elevator emergency braking, the damage that the impact force that produces led to the fact the inside personnel of elevator.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: when the device is used, the first motor 4 is started, the first motor 4 drives the first output shaft 3 to start rotating, the first output shaft 3 is fixedly connected with the first rotating shaft 10, the first rotating shaft 10 drives the roller 7 and the concave traction sheave 16 to rotate, the outer wall of the first rotating shaft 10 is rotatably connected with the rotating shaft speed measuring module 2, if an emergency occurs, the rotating shaft speed measuring module 2 starts to detect the rotating speed of the first output shaft 3, the second motor 8 is controlled to start operating if the speed is too high, the second motor 8 drives the second output shaft 9, the second output shaft 9 drives the second rotating shaft 18 to start rotating in the support frame 1, the outer wall of the second rotating shaft 18 is fixedly connected with a third bearing 19, the third bearing 19 can effectively reduce the friction force between the second rotating shaft 18 and the support frame 1, one side of the second rotating shaft 18 is fixedly connected with a wheel disc 17, and both ends of one side of the wheel disc 17 are movably connected with, the wheel disc 17 drives the first connecting piece 20 to start moving, the bilateral symmetry movement is vertical symmetry, the first connecting piece 20 drives the traction piece 21 to start moving, the second connecting piece 22 is driven to drive the two first pushing sliders 12 to start to approach, and the first pushing sliders are slid on the outer wall of the fixed sliding rod 6, the fixed sliding rod 6 not only can play a role in fixing, but also can balance the first pushing sliders 12, a traction block 13 is fixed on one side of each first pushing slider 12, the traction block 13 is fixedly connected with each second pushing slider 14, the traction block 13 can play a role in supporting each second pushing slider 14, a second bearing 11 is arranged inside each second pushing slider 14, the friction force between each second pushing slider 14 and the first rotating shaft 10 can be reduced, the locking condition is prevented, an anti-skid block 15 is arranged on one side of each second pushing slider 14, and the anti-skid block 15 starts to approach to the concave traction wheel 16, the antiskid blocks 15 are symmetrically distributed to clamp the concave traction sheave 16 and prevent the concave traction sheave 16 from rotating to cause the phenomenon that the elevator on the lower part slides downwards, in the clamping process, the elevator on the lower part generates downward impact force which is transmitted to the second fixed connecting piece 33 through the support frame 1 and transmitted to the damping plate 31 through the second fixed connecting piece 33, the action of the damping force and the force which is not eliminated are realized, when the bottom end of the support frame 1 is close to the top end of the first fixed connecting piece 32, the first fixed block 24 and the vertical standing post 29 move downwards and are transmitted to the sliding rod 36 through the two third connecting pieces 30, the bottom end of the sliding rod 36 is provided with the second damping spring 38, so that the sliding rod 36 moves in the groove 37, the bottom end of the vertical standing post 29 is provided with the first damping spring 28, and the residual impact force is eliminated through the second damping spring 38 and the first damping spring 28, so as to achieve the damping, prevent that the inside personnel of elevator from causing the dangerous of damage because of the impact force and taking place, guarantee personnel's safety in the electricity.

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

Claims

1. An elevator traction sheave device with a safety protection structure, comprising a support frame (1), characterized in that: a rotating shaft speed measuring module (2) is fixedly connected to one side of the support frame (1), a first motor (4) is arranged on one side of the rotating shaft speed measuring module (2), a first output shaft (3) is fixedly connected to one end of the first motor (4), a first rotating shaft (10) is fixedly connected to one end of the first output shaft (3), a roller (7) is fixedly connected to the middle of the first rotating shaft (10), a first bearing (5) is fixedly connected to both ends of the first rotating shaft (10), a fixed sliding rod (6) is arranged on both sides of the first rotating shaft (10), a concave traction wheel (16) is fixedly connected to the outer wall of the roller (7), a second pushing sliding block (14) is arranged on both sides of the concave traction wheel (16), a second bearing (11) is fixedly connected to the inside of the second pushing sliding block (14), and an anti-slip block (15) is fixedly connected to both ends of one side of the second pushing sliding block (14), the two ends of the other side of the second pushing sliding block (14) are fixedly connected with a pulling block (13), one end of the pulling block (13) is fixedly connected with a first pushing sliding block (12), two ends of the first pushing sliding block (12) are fixedly connected with a second connecting piece (22), one end of the second connecting piece (22) is movably connected with a pulling piece (21), one end of the pulling piece (21) is movably connected with a first connecting piece (20), one end of the first connecting piece (20) is slidably connected with a wheel disc (17), one end of the wheel disc (17) is fixedly connected with a second rotating shaft (18), the outer wall of the second rotating shaft (18) is fixedly connected with a third bearing (19), one end of the second rotating shaft (18) is fixedly connected with a second output shaft (9), and one end of the second output shaft (9) is fixedly connected with a second motor (8), the two sides of the bottom end of the support frame (1) are fixedly connected with second fixed connecting pieces (33), the bottom of the support frame (1) is provided with a first fixed connecting piece (32), the two ends of the first fixed connecting piece (32) are fixedly connected with damping plates (31), the bottom end of the first fixed connecting piece (32) is fixedly connected with a first fixed block (24), the bottom end of the first fixed block (24) is fixedly connected with a vertical standing column (29), the two sides of the vertical standing column (29) are fixedly connected with third connecting pieces (30), the bottom end of the vertical standing column (29) is fixedly connected with a first damping spring (28), the bottom end of the first damping spring (28) is fixedly connected with a base (27), the two ends of the base (27) are fixedly connected with vertical standing plates (23), one side of the vertical standing plate (23) is fixedly connected with a second fixed block (26), the top end of the second fixing block (26) is fixedly connected with a fourth connecting piece (25), the inside of the fourth connecting piece (25) is movably connected with a cylindrical block (34), a groove (37) is formed in the inside of the cylindrical block (34), a baffle (35) is fixedly connected to the top end of the cylindrical block (34), a second damping spring (38) is arranged in the groove (37), and a sliding rod (36) is fixedly connected to the top end of the second damping spring (38).

2. The elevator traction sheave apparatus having a safety structure as set forth in claim 1, wherein: the first bearing (5) is fixedly connected with the support frame (1), and the third bearing (19) is fixedly connected with the support frame (1).

3. The elevator traction sheave apparatus having a safety structure as set forth in claim 1, wherein: the first push sliding block (12), the second rotating shaft (18), the wheel disc (17), the first bearing (5), the third bearing (19) and the second bearing (11) are all two.

4. The elevator traction sheave apparatus having a safety structure as set forth in claim 1, wherein: the fixed sliding rod (6) penetrates through the two first pushing sliding blocks (12) and is connected with the first pushing sliding blocks (12) in a sliding mode.

5. The elevator traction sheave apparatus having a safety structure as set forth in claim 1, wherein: the first pushing sliding block (12) and the second bearing (11) are both in sliding connection with the first rotating shaft (10).

6. The elevator traction sheave apparatus having a safety structure as set forth in claim 1, wherein: the traction block (13), the anti-skid block (15), the first connecting piece (20), the traction piece (21) and the second connecting piece (22) are all multiple, and the anti-skid block (15) corresponds to the concave traction sheave (16).

7. The elevator traction sheave apparatus having a safety structure as set forth in claim 1, wherein: the second damping spring (38) is fixedly connected with the cylindrical block (34).

8. The elevator traction sheave apparatus having a safety structure as set forth in claim 1, wherein: the sliding rod (36) is connected with the baffle (35) in a sliding mode.