CN212503750U

CN212503750U - Turning gear

Info

Publication number: CN212503750U
Application number: CN202020558017.XU
Authority: CN
Inventors: 宋秀荣
Original assignee: Jiangsu Leader New Materials Technology Co ltd
Current assignee: Jiangsu Leader New Materials Technology Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-02-09
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a barring gear, which comprises a rope clamping device, a shackle, a steel wire rope, a rope clamping device and a shackle, wherein one end of the steel wire rope is fixed relative to the steel wire rope extending into a bottom pit, the other end of the steel wire rope winds a rope wheel and is connected with a first pressing block and a second pressing block for fixation, the first pressing block is fixed on a wheel shaft, the rope wheel is fixed on the wheel shaft through a key groove and a flat key, the two ends of the wheel shaft are fixed on a first fixing bracket and a second fixing bracket, one end of the wheel shaft is provided with a ratchet wheel and a rotary release lever for winding the steel wire rope, a large retaining ring interval is used between the ratchet wheel and the fixing bracket, the ratchet wheel is locked by an M30 nut, the release lever is fixed with the wheel shaft through the shaft end direction, a stop block is fixed on the second fixing bracket through a thick pin shaft, and a small retaining ring interval is arranged in the middle of the, can meet the requirement of emergency release of the elevator under emergency.

Description

Turning gear

Technical Field

The utility model relates to an elevator control field especially relates to a barring gear.

Background

When power failure occurs or the elevator stops due to accidents and the like, the elevator car reaches the nearest landing position through emergency rescue so as to conveniently open the door and release trapped people. At present, when an elevator has power failure, the modes for moving the elevator car comprise the following modes:

firstly, a power failure leveling device is additionally arranged, the device is not a standard configuration of the national mandatory standard and is not provided for each elevator, and the power failure leveling device adopts a storage battery for power supply. If the maintenance is omitted, the power shortage risk exists, and the leveling device is caused to lose efficacy;

and secondly, the elevator brake is manually released, the elevator car can move by self due to the unbalanced weight of the car and the counterweight, when the weight of the car and the counterweight is the same or the friction force of the steel wire rope is too large, the manual brake release and the manual barring can be adopted for solving the problem, the original rope pulley is made of iron, the steel wire rope is easily abraded, the cost is high, the noise is large, and the safety is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the manual turning gear is stable in structure, convenient to install, convenient to operate, low in cost, wear-resistant and silent.

A jigger device comprises a rope clamping device, a shackle, a steel wire rope, the rope clamping device and the shackle are used for fixing one end of the steel wire rope and the steel wire rope extending into a bottom pit relatively, the other end of the steel wire rope is wound on a rope wheel to be connected with a first pressing block and a second pressing block for fixing, the first pressing block is fixed on a wheel shaft, the rope wheel is fixed on the wheel shaft through a key groove and a flat key, two ends of the wheel shaft are fixed on a first fixing support and a second fixing support, one end of the wheel shaft is provided with a ratchet wheel and a rotary release lever for winding the steel wire rope, the ratchet wheel and the fixing support are separated by a large retaining ring, the ratchet wheel is locked by an M30 nut, the release lever is fixed with the wheel shaft through the shaft end direction, the second fixing support is fixedly connected with a stop block through a thick pin shaft, the middle of the stop block is provided with a small retaining ring separation, the front end of, the two thin pin shafts are connected through springs and drive the rope wheels to rotate through rotating the release levers, the rope wheels are wound on the steel wire ropes to drive the rope clamping devices, the steel wire ropes of the shackles and the pits are used for manual elevator barring, and one end of the wheel shaft locks the rope wheels to rotate through ratchets, stop blocks and springs.

Preferably, the rope clamping device clamps the elevator steel wire rope through nut locking.

Preferably, the steel wire rope and the rope clamping device are connected through a shackle.

Preferably, the rope pulley is a steel sleeve nylon wheel.

Preferably, the sheave rotation is locked by a ratchet, a stopper and a spring.

Preferably, the release lever rotates to drive the rope pulley to wind the steel wire rope.

Preferably, the steel wire rope has a length of 3m and a diameter of 6 mm.

Preferably, the axle and the ratchet wheel are fixed to the first fixing bracket and the second fixing bracket by fasteners.

The utility model discloses the beneficial effect that can reach: the utility model discloses manual barring gear, simple structure, simple to operate, labour saving and safety, manual barring is efficient, can satisfy the elevator and promptly put people's requirement under emergency.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of a first perspective structure of the present invention;

fig. 2 is a schematic view of a second perspective structure of the present invention;

FIG. 3 is a partial sectional view of the present invention;

in fig. 1: 1. the rope clamping device comprises a rope clamping device, 2 a shackle, 3 a steel wire rope, 4 a first fixing support, 5 a rope pulley, 6 an axle, 7 a large retaining ring, 8 a ratchet wheel and 9 a second fixing support.

In fig. 2: 10. the spring, 11, the thick pin shaft, 12, the stop block, 13, the thin pin shaft, 14, the M30 nut, 15, the release lever, 16, the first pressing block, 17, the second pressing block and 18, the small stop ring.

In fig. 3: 19. a flat bond.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1 to 3, a turning gear comprises a rope clamping device 1, a shackle 2, a steel wire rope 3, the rope clamping device 1 and the shackle 2, wherein one end of the steel wire rope 3 is fixed relative to the steel wire rope extending into a pit, the other end of the steel wire rope 3 is wound around a rope pulley 5 and is connected with a first pressing block 16 and a second pressing block 17 for fixation, the first pressing block 16 is fixed on a wheel shaft 6, the rope pulley 5 is fixed on the wheel shaft through a key groove and a flat key 19, two ends of the wheel shaft 6 are fixed on a first fixing support 4 and a second fixing support 9, one end of the wheel shaft 6 is provided with a ratchet 8 and a rotary release lever 15 for winding the steel wire rope, the ratchet 8 and the fixing supports are separated by a large retaining ring 7, the ratchet 8 is locked by an M30 nut 14, the release lever 15 is fixed with the wheel shaft 6 through the shaft end direction, the second fixing support 9 is fixedly connected with a stop 12 through a thick, the front end of the stop block 12 is provided with a thin pin shaft 13, the second fixing support 9 is provided with the same thin pin shaft 13, the two thin pin shafts 13 are connected by a spring 10 and drive the rope wheel 5 to rotate by rotating a release lever 15, the rope wheel 5 is wound on the steel wire rope 3 to drive the rope clamping device 1, the steel wire ropes of the shackle 2 and the pit are used for manual elevator turning, one end of the wheel shaft 6 is used for locking the rope wheel 5 to rotate by the ratchet wheel 8, the stop block 12 and the spring 10, safety and stability are guaranteed, the abrasion resistance of the nylon rope wheel guarantees the integrity of the steel wire rope, and the safety.

Wherein, the rope clamping device 1 is locked and clamped with the elevator steel wire rope through a nut.

Wherein, the steel wire rope 3 is connected with the rope clamping device 1 through the shackle 2.

Wherein, 5 steel sleeves nylon wheels are arranged on the rope wheel.

Wherein the sheave 5 is locked in rotation by the ratchet 8, the stopper 12 and the spring 10.

Wherein, the release lever 15 rotates to drive the rope pulley 5 to wind the steel wire rope 3.

Wherein, the length of the steel wire rope 3 is 3m, and the diameter is 6 mm.

Wherein the wheel shaft 6 and the ratchet wheel 8 are fixed on the first fixing bracket 4 and the second fixing bracket 9 through fasteners.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A barring gear, its characterized in that: the rope clamping device (1) and the shackle (2) are used for fixing one end of a steel wire rope (3) and the steel wire rope extending into a pit relatively, the other end of the steel wire rope (3) is wound on a rope pulley (5) and is connected to a first pressing block (16) and a second pressing block (17) to be fixed, the first pressing block (16) is fixed on a wheel shaft (6), the rope pulley (5) is fixed on the wheel shaft through a key groove and a flat key (19), two ends of the wheel shaft (6) are fixed on a first fixing support (4) and a second fixing support (9), a ratchet wheel (8) and a rotary release lever (15) used for winding the steel wire rope are arranged at one end of the wheel shaft (6), a large stop ring (7) is used for spacing between the ratchet wheel (8) and the fixing supports, the ratchet wheel (8) is locked by an M30 nut (14), and the release lever (15) is fixed with the wheel shaft (6) through the direction, second fixed bolster (9) are through thick round pin axle (11) fixedly connected with dog (12), just be equipped with in the middle of dog (12) and keep off ring (18) interval for a short time, thin round pin axle (13) are equipped with to dog (12) front end, just same thin round pin axle (13) are equipped with on second fixed bolster (9), two thin round pin axle (13) are connected and are driven rope sheave (5) through rotating release lever (15) and rotate, rope sheave (5) winding wire rope (3) drive rope clamping device (1), the wire rope of breaking out (2) and pit carries out manual elevator barring, ratchet (8), dog (12) and spring (10) are passed through to shaft (6) one end and are come locking rope sheave (5) gyration.

2. A barring gear according to claim 1, characterised in that: the rope clamping device (1) is used for locking and clamping the elevator steel wire rope through a nut.

3. A barring gear according to claim 1, characterised in that: the steel wire rope (3) is connected with the rope clamping device (1) through the shackle (2).

4. A barring gear according to claim 1, characterised in that: the rope wheel (5) is a steel sleeve nylon wheel.

5. A barring gear according to claim 1, characterised in that: the rope wheel (5) rotates and is locked by a ratchet wheel (8), a stop block (12) and a spring (10).

6. A barring gear according to claim 1, characterised in that: the release lever (15) rotates to drive the rope wheel (5) to wind the steel wire rope (3).

7. A barring gear according to claim 1, characterised in that: the length of the steel wire rope (3) is 3m, and the diameter of the steel wire rope is 6 mm.

8. A barring gear according to claim 1, characterised in that: the wheel shaft (6) and the ratchet wheel (8) are fixed on the first fixing support (4) and the second fixing support (9) through fasteners.