CN211141250U

CN211141250U - Traction sheave structure for elevator

Info

Publication number: CN211141250U
Application number: CN201921688499.4U
Authority: CN
Inventors: 周杰
Original assignee: Zhejiang Bonly Elevator Guide Rail Manufacturing Co ltd
Current assignee: Zhejiang Bonly Elevator Guide Rail Manufacturing Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-07-31
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a traction sheave structure for elevator, comprising a base plate, the bottom plate upper end is through the fixed hauler that is provided with of mount pad, the output axle head of hauler is through the fixed traction sheave that is provided with of shaft coupling, the draw-in groove has been seted up on traction sheave outside surface, the equal fixed support that is provided with in bottom plate upper end both sides, the fixed roof that is provided with in support upper end, the fixed function storehouse that is provided with in bottom plate upper end middle part, the inside upper end both sides of function storehouse are the fixed telescopic link that is provided with all, the fixed connecting plate that is provided with of telescopic link lower extreme, the fixed calliper that is provided with of connecting plate lower extreme, the fixed slide bar that is provided with in the inside upper end in function. The utility model discloses simple structure excellent in use effect makes its and driving sheave in close contact with through calliper extrusion steel cable, can prevent effectively that driving sheave and car steel cable from taking place to skid.

Description

Traction sheave structure for elevator

Technical Field

The utility model relates to an elevator subassembly technical field specifically is an elevator is with towing wheel structure.

Background

The elevator is a vertical elevator powered by an electric motor, equipped with a box-like pod, used as a means of transport for people or goods for multi-storey buildings, having a step type, a tread plate mounted on a track for continuous operation, commonly known as an escalator or a moving sidewalk, serving a fixed lifting device for a given storey, the vertical elevator having a car of a car-box type elevator, which is a car that achieves a smooth vertical lift by sliding up and down along T-shaped elevator guide rails. The elevator is lifted by driving a traction wheel to rotate by a traction machine, so that a steel rope of the car and the car are driven to move.

However, when the currently used steel rope of the car contacts with the traction sheave, the contact friction between the steel rope and the traction sheave is only caused by the gravity of the car and the gravity of the counterweight, and when the device is used, particularly when water stains are adhered to the surface of the steel rope, the steel rope and the traction sheave are easy to slip, so that the using effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator is with towing wheel structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a traction sheave structure for an elevator comprises a bottom plate, wherein a traction machine is fixedly arranged at the upper end of the bottom plate through a mounting seat, a traction sheave is fixedly arranged at the output shaft end of the traction machine through a coupling, a clamping groove is formed in the outer side surface of the traction sheave, supports are fixedly arranged on two sides of the upper end of the bottom plate, a top plate is fixedly arranged at the upper ends of the supports, a functional bin is fixedly arranged in the middle of the upper end of the bottom plate, telescopic rods are fixedly arranged on two sides of the upper end in the functional bin, a connecting plate is fixedly arranged at the lower end of each telescopic rod, calipers are fixedly arranged at the lower end of each connecting plate, a sliding rod is fixedly arranged at the upper end in the functional bin, a screw rod is movably arranged at the lower end of the sliding rod through a bearing in the functional bin, a first extrusion block, and a second extrusion block is fixedly arranged in the middle of the upper end of the connecting plate, and the first extrusion block and the second extrusion block are in mutual contact.

Preferably, the movable clamping of the lower end in the caliper is provided with a ball, and the caliper can be prevented from being locked when the steel cable is clamped through the ball.

Preferably, a turntable is fixedly arranged at one end of the screw rod, and the screw rod can be conveniently rotated through the turntable.

Preferably, mounting holes are formed in four corners of the surface of the upper end of the bottom plate, and the device can be conveniently and fixedly mounted in a target area through the mounting holes.

Preferably, the telescopic link is internally provided with a spring, and the calipers can be conveniently reset through the spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a carousel rotates the screw rod for the screw rod can drive first extrusion piece through the screw thread after rotating and slide along the slide bar, thereby makes connecting plate and calliper downstream through first extrusion piece extrusion second extrusion piece, thereby makes the steel cable can and between the driving sheave in close contact with through calliper extrusion steel cable, thereby increased the frictional force between driving sheave and the steel cable, can prevent effectively that driving sheave and car steel cable from taking place to skid.

2. The utility model discloses when calliper extrusion steel cable, can prevent through the ball that calliper from dying its lock when the block steel cable, its result of use is better.

Drawings

Fig. 1 is a schematic view of the overall structure of a traction sheave structure for an elevator according to the present invention;

fig. 2 is a side view of a traction sheave structure for an elevator according to the present invention;

fig. 3 is an internal structure view of a traction sheave structure functional bin for an elevator of the present invention;

fig. 4 is an enlarged view of a portion a in a structure view of a traction sheave for an elevator of the present invention in fig. 3.

In the figure: 1. a base plate; 2. a traction machine; 3. a traction sheave; 4. a card slot; 5. a support; 6. a top plate; 7. a functional bin; 8. a telescopic rod; 9. a connecting plate; 10. a caliper; 11. a slide bar; 12. a screw; 13. a first extrusion block; 14. a second extrusion block; 15. a ball bearing; 16. a turntable; 17. and (7) installing holes.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a traction sheave structure for an elevator comprises a bottom plate 1, wherein a traction machine 2 is fixedly arranged at the upper end of the bottom plate 1 through a mounting seat, a traction sheave 3 is fixedly arranged at the output shaft end of the traction machine 2 through a coupling, a clamping groove 4 is formed in the outer side surface of the traction sheave 3, supports 5 are fixedly arranged on two sides of the upper end of the bottom plate 1, a top plate 6 is fixedly arranged at the upper end of each support 5, a function bin 7 is fixedly arranged in the middle of the upper end of the bottom plate 1, telescopic rods 8 are fixedly arranged on two sides of the upper end in the function bin 7, a connecting plate 9 is fixedly arranged at the lower end of each telescopic rod 8, calipers 10 are fixedly arranged at the lower end of each connecting plate 9, a slide rod 11 is fixedly arranged at the upper end in the function bin 7, a screw rod 12 is movably arranged at the lower end of the slide rod 11 in the function bin, the upper end of the inside of the first extrusion block 13 is movably sleeved on the outer side surface of the sliding rod 11, the middle part of the upper end of the connecting plate 9 is fixedly provided with a second extrusion block 14, and the first extrusion block 13 is in contact with the second extrusion block 14.

Calliper 10 inside lower extreme activity block is provided with ball 15, can prevent through ball 15 that calliper 10 from locking it when the block steel cable, the fixed carousel 16 that is provided with of screw rod 12 one end can conveniently rotate screw rod 12 through

carousel

16, 1 upper end surface four corners department of bottom plate all begins to have mounting hole 17, can conveniently install fixed mounting at the target area through

mounting hole

17, 8 inside springs that are provided with of telescopic link can make things convenient for calliper 10 to reset through the spring.

The working principle is as follows: before the device is used, the device can be fixedly arranged in a target area through the mounting hole 17 and the bottom plate 1, a steel cable for hoisting a car is clamped in a groove of the traction sheave 3 when the device is used, the screw 12 can be rotated through the rotary table 16 when the steel cable is clamped in the groove, the screw 12 can drive the first extrusion block 13 to slide along the sliding rod 11 through threads after being rotated, the second extrusion block 14 can be extruded when the first extrusion block 13 moves due to the shape of the first extrusion block 13 during translation, so that the connecting plate 9 and the caliper 10 can move downwards through the extrusion of the second extrusion block 14 by the first extrusion block 13, the steel cable can be tightly contacted with the traction sheave 3 through the extrusion of the caliper 10, the friction force between the traction sheave 3 and the steel cable is increased, the sliding between the traction sheave 3 and the car steel cable can be effectively prevented, and when the steel cable is extruded by the caliper 10, the ball 15 can prevent the caliper 10 from locking the steel cable when the steel cable is clamped, this is the working principle of the traction sheave 3 structure for the elevator of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 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. The utility model provides an elevator is with drawing wheel structure, includes bottom plate (1), its characterized in that: the upper end of the bottom plate (1) is fixedly provided with a traction machine (2) through a mounting seat, the output shaft end of the traction machine (2) is fixedly provided with a traction wheel (3) through a coupling, the outer side surface of the traction wheel (3) is provided with a clamping groove (4), two sides of the upper end of the bottom plate (1) are both fixedly provided with a bracket (5), the upper end of the bracket (5) is fixedly provided with a top plate (6), the middle part of the upper end of the bottom plate (1) is fixedly provided with a function bin (7), two sides of the upper end inside the function bin (7) are both fixedly provided with telescopic rods (8), the lower end of each telescopic rod (8) is fixedly provided with a connecting plate (9), the lower end of each connecting plate (9) is fixedly provided with a caliper (10), the upper end inside the function bin (7) is fixedly provided with a slide rod (11), and a, the screw rod (12) middle part outside surface is provided with first extrusion piece (13) through the screw thread activity, the inside upper end activity cover of first extrusion piece (13) is established at slide bar (11) outside surface, connecting plate (9) upper end middle part is fixed and is provided with second extrusion piece (14), mutual contact between first extrusion piece (13) and second extrusion piece (14).

2. The traction wheel structure for an elevator according to claim 1, characterized in that: the lower end in the caliper (10) is movably clamped with a ball (15).

3. The traction wheel structure for an elevator according to claim 1, characterized in that: and one end of the screw rod (12) is fixedly provided with a turntable (16).

4. The traction wheel structure for an elevator according to claim 1, characterized in that: mounting holes (17) are formed in the four corners of the surface of the upper end of the bottom plate (1).

5. The traction wheel structure for an elevator according to claim 1, characterized in that: a spring is arranged in the telescopic rod (8).