CN215516287U

CN215516287U - Insertion fixing device of barring hand wheel for traction machine

Info

Publication number: CN215516287U
Application number: CN202121779351.9U
Authority: CN
Inventors: 刘俸邑
Original assignee: Tianjin Lingyi Electromechanical Equipment Co ltd
Current assignee: Tianjin Lingyi Electromechanical Equipment Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-14
Anticipated expiration: 2031-08-02

Abstract

The utility model provides an insertion fixing device of a barring hand wheel for a traction machine, which is characterized by comprising a limiting mechanism, a telescopic mechanism, a connecting block, a telescopic rod and a connecting rod, wherein the limiting mechanism is arranged in the connecting block; operating personnel alright loosen the wheel body when rotating the wheel body and carry out quick-witted case maintenance, convenient degree improves greatly, need not operating personnel through this design and keeps the posture of holding the wheel body always, when the hauler breaks down, can repair the very first time for rescue stranded passenger's speed, too high maintenance efficiency.

Description

Insertion fixing device of barring hand wheel for traction machine

Technical Field

The utility model relates to the technical field of traction machines, in particular to an insertion fixing device for a barring hand wheel for a traction machine.

Background

The elevator traction machine is power equipment of an elevator, also called as an elevator host machine, has the function of conveying and transmitting power to enable the elevator to run, and comprises a motor, a brake, a reduction gearbox, a frame, a guide wheel, an auxiliary barring hand wheel and the like, wherein the elevator is driven by the guide wheel to lift after being braked by the brake and transmitted by the reduction gearbox;

the barring hand wheel in the prior art needs to be unscrewed by a wrench before use, the barring hand wheel can drive the guide wheel to rotate after the brake is opened, but the barring hand wheel cannot brake in the rotating process, so that an operator must hold the barring hand wheel all the time, if the operator looses the hand, the guide wheel is easy to rotate reversely under the action of the gravity of the elevator, the elevator can fall down, the elevator is quite dangerous, the operator must hold the barring hand wheel to keep still, the convenience is low, when the traction machine is blocked in the lifting process of the elevator, the operator cannot loosen the barring hand wheel to maintain the traction machine, certain trouble is caused to the maintenance personnel, the assistance is required to be requested to other maintenance personnel, the traction machine is difficult to repair at the first time, and the rescue speed of the maintenance personnel to passengers trapped in the elevator is reduced, the maintenance efficiency is reduced.

Disclosure of Invention

According to the technical problems, the utility model provides an insertion fixing device of a jigger hand wheel for a traction machine, which is characterized by comprising a limiting mechanism, a telescopic mechanism, a connecting block, a telescopic rod and a connecting rod, wherein the limiting mechanism is arranged inside the connecting block;

the limiting mechanism comprises T-shaped sliding blocks, a position block, connecting blocks, idler wheels, butterfly bolts and a telescopic spring, wherein a mounting groove is formed in each connecting block, T-shaped sliding grooves are formed in the upper end and the lower end of the right side wall of each mounting groove respectively, T-shaped sliding blocks are arranged in the T-shaped sliding grooves, the left ends of the two T-shaped sliding blocks are inclined, the idler wheels are arranged at the left ends of the two T-shaped sliding blocks, the number of the idler wheels is N, and N is more than or equal to 2; the adjacent inner walls of the two T-shaped sliding grooves are respectively welded with one end of a reset spring, the other ends of the two reset springs are welded on the side wall of one side of the T-shaped sliding block, the side wall of the other side of the two T-shaped sliding blocks is welded with a limiting block, the upper side and the lower side of the connecting block are respectively provided with a limiting groove, the upper end and the lower end of the connecting block are respectively provided with a through hole, the through holes and the limiting grooves are positioned on the same vertical line, the aperture is the same, the limiting block is respectively connected with the through holes and the limiting grooves in a sliding mode, the left side wall of the connecting block is provided with a threaded hole, and a butterfly bolt is meshed in the threaded hole through threads;

the telescopic mechanism is composed of a supporting spring and a sliding block, a spring groove is formed in the right side wall of the telescopic rod, the supporting spring is arranged in the spring groove, the supporting spring is a hard spring, the left end of the supporting spring is connected with the inner wall of the spring groove, the right end of the supporting spring is connected with a connecting rod, the left end of the connecting rod is arranged in the spring groove, sliding blocks are welded at the upper end and the lower end of the connecting rod respectively, telescopic grooves are formed in the upper side wall and the lower side wall of the spring groove respectively, and the telescopic grooves are connected with the sliding blocks in a sliding mode.

The utility model has the beneficial effects that:

the utility model has the advantages that the telescopic mechanism and the limiting mechanism are arranged, the limiting mechanism and the telescopic mechanism are mutually matched, so that the wheel body can brake, an operator can loosen the wheel body to maintain a case when rotating the wheel body, the convenience is greatly improved, the wheel body is pushed into the slot by force to push the telescopic rod to compress the supporting spring, the connecting rod slides towards the inside of the spring slot, meanwhile, the sliding blocks arranged at the upper end and the lower end of the connecting rod slide in the telescopic slot, when the connecting rod completely slides to the inside of the spring slot, the connecting block is also completely inserted into the slot, at the moment, the butterfly bolt is rotated to drive the conical block to slide towards the inside of the mounting slot, when the right end of the conical block is in contact with the inclined plane structure at the left end of the T-shaped sliding block, the two inclined planes are mutually parallel, the roller at the left end of the T-shaped sliding block forms rolling friction at the right end of the conical block, so that the upper T-shaped sliding block and the lower T-shaped sliding block are pushed by the conical block, the limiting blocks connected with the T-shaped sliding blocks are driven to be pushed outwards to penetrate through the through holes and be inserted into the limiting grooves formed in the upper side wall and the lower side wall of the slot to form the positioning of the wheel body, at the moment, an operator can loosen the wheel body in the hand to maintain the case without the assistance of other operators, after the maintenance of the case is finished, the butterfly bolt is manually rotated, the butterfly bolt drives the conical block to slide rightwards, the conical block is gradually separated from the T-shaped sliding blocks on the upper side and the lower side of the right end in the sliding process, the two T-shaped sliding blocks are pulled back to the central position by the reset spring in the T-shaped sliding groove in a sliding mode due to the fact that the conical block is not blocked, so that the limiting blocks retract into the connecting blocks, the limiting on the connecting blocks is released, the wheel body can continuously rotate, the operator can continuously control the lifting of the elevator manually, and the design does not need to keep the posture of holding the wheel body all the time, when the tractor breaks down, can fix in the very first time, accelerated the speed of rescuing the stranded passenger, too high maintenance efficiency.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the connecting block of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the connection structure of the connecting rod and the telescopic rod of the present invention.

As shown in the figure: the device comprises a wheel body 1, a sliding block 2-T, a through hole 3, a limiting block 4, a limiting groove 5, a connecting block 6, a sliding groove 7-T, a roller 8, a mounting groove 9, a butterfly bolt 10, a threaded hole 11, a linkage gear 12, a connecting bearing 13, a case 14, a telescopic rod 15, a support spring 16, a telescopic groove 17, a sliding block 18, a connecting rod 19, a spring groove 20, a telescopic spring 21 and a slot 22.

Detailed Description

Example 1

The utility model provides an insertion fixing device of a barring hand wheel for a traction machine, which is characterized by comprising a limiting mechanism, a telescopic mechanism, a connecting block 6, a telescopic rod 15 and a connecting rod 19, wherein the limiting mechanism is arranged in the connecting block 6, the right end of the connecting block 6 is connected with the telescopic rod 15, the right end of the telescopic rod 15 is provided with the telescopic mechanism, and the right end of the telescopic rod 15 is connected with the connecting rod 19 through the telescopic mechanism;

the limiting mechanism comprises T-shaped sliding blocks 2, position blocks, connecting blocks 6, idler wheels 8, butterfly bolts 10 and telescopic springs 21, wherein a mounting groove 9 is formed in each connecting block 6, T-shaped sliding grooves 7 are formed in the upper end and the lower end of the right side wall of each mounting groove 9 respectively, the T-shaped sliding blocks 2 are arranged in the T-shaped sliding grooves 7, the left ends of the two T-shaped sliding blocks 2 are inclined respectively, the idler wheels 8 are arranged at the left ends of the two T-shaped sliding blocks 2, the number of the idler wheels 8 is N, and N is larger than or equal to 2; the inner walls adjacent to the two T-shaped sliding grooves 7 are respectively welded with one end of a return spring, the other ends of the two return springs are welded on the side wall of one side of the T-shaped sliding block 2, the side wall of the other side of the two T-shaped sliding blocks 2 is welded with a limiting block 4, the upper side and the lower side of a connecting block 6 are respectively provided with a limiting groove 5, the upper end and the lower end of the connecting block 6 are respectively provided with a through hole 3, the through holes 3 and the limiting grooves 5 are positioned on the same vertical line, the aperture is the same, the limiting block 4 is respectively connected with the through holes 3 and the limiting grooves 5 in a sliding mode, the left side wall of the connecting block 6 is provided with a threaded hole 11, and a butterfly bolt 10 is meshed in the threaded hole 11 through threads;

telescopic machanism comprises supporting spring 16, sliding block 18, spring groove 20 has been seted up to the 15 right side walls of telescopic link, spring groove 20 is inside to be provided with supporting spring 16, supporting spring 16 is the carbide spring, supporting spring 16 left end and the inner wall connection of spring groove 20, supporting spring 16 right-hand member is connected with connecting rod 19, the connecting rod 19 left end sets up inside spring groove 20, sliding block 18 has been welded respectively at connecting rod 19 upper and lower both ends, telescopic groove 17 has been seted up respectively to the upper and lower both sides walls of spring groove 20, telescopic groove 17 and sliding block 18 sliding connection.

Example 2

In the utility model, a connecting block 6 is arranged on the right side wall of a wheel body 1, the wheel body 1 is provided with a threaded hole 11, the diameter of the threaded hole 11 is consistent with that of the threaded hole 11 arranged on the left side wall of the connecting block 6 and is in the same line, when the elevator is used, an operator inserts a connecting rod 19 into a slot 22 in a machine box 14, the tail part of the connecting rod 19 is inserted into a connecting bearing 13 in the machine box 14, and the upper side wall and the lower side wall of the slot 22 are respectively provided with a limiting groove 5, at the moment, the elevator can be controlled to lift by rotating the wheel body 1, when the operator rotates the wheel body 1 and needs to maintain the interior of the machine box 14, the wheel body 1 is pushed into the slot 22 with force, a telescopic rod 15 is pushed to compress a supporting spring 16, the connecting rod 19 slides towards the interior of a spring slot 20, meanwhile, sliding blocks 18 arranged at the upper end and the lower end of the connecting rod 19 slide in a telescopic slot 17, when the connecting rod 19 completely slides into the spring slot 20, the connecting block 6 is also completely inserted into the slot 22, at this time, the butterfly bolt 10 is rotated, the butterfly bolt 10 drives the conical block to slide towards the inside of the mounting groove 9, when the right end of the conical block is in contact with the inclined plane structure at the left end of the T-shaped slide block 2, because the two inclined planes are parallel to each other, the roller 8 at the left end of the T-shaped slide block 2 forms rolling friction at the right end of the conical block, so that the upper and lower T-shaped slide blocks 2 are pushed by the conical block and expand outwards, the limiting block 4 connected on the T-shaped slide block 2 is driven to push outwards, the limiting block penetrates through the through hole 3 and is inserted into the limiting grooves 5 arranged on the upper and lower side walls of the slot 22 to form the positioning of the wheel body 1, at this time, an operator can loosen the wheel body 1 in hand to maintain the chassis 14 without the assistance of other operators, after the chassis 14 is maintained, the butterfly bolt 10 is manually rotated by hand, the butterfly bolt 10 drives the conical block to slide rightwards, and the conical block gradually separates from the T-shaped slide blocks 2 at the upper and the lower side of the right end, two T type sliders 2 are because losing the hindrance of toper piece, and the reset spring slip by in the T type spout 7 is pulled back central point and is put to make stopper 4 retract inside connecting block 6, has removed the spacing to connecting block 6, thereby makes wheel body 1 can continue to rotate, and operating personnel alright continue the lift of manual control elevator.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the utility model has been described with respect to the above embodiments, it will be understood by those skilled in the art that the utility model is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An insertion fixing device of a barring hand wheel for a traction machine is characterized by comprising a limiting mechanism, a telescopic mechanism, a connecting block, a telescopic rod and a connecting rod, wherein the limiting mechanism is arranged inside the connecting block, the right end of the connecting block is connected with the telescopic rod, the right end of the telescopic rod is provided with the telescopic mechanism, and the right end of the telescopic rod is connected with the connecting rod through the telescopic mechanism;

the limiting mechanism consists of T-shaped sliding blocks, a position block, connecting blocks, rolling wheels, butterfly bolts and expansion springs, wherein a mounting groove is formed in each connecting block, T-shaped sliding grooves are formed in the upper end and the lower end of the right side wall of each mounting groove respectively, T-shaped sliding blocks are arranged in the T-shaped sliding grooves, the left ends of the two T-shaped sliding blocks are in an inclined plane shape respectively, the rolling wheels are arranged at the left ends of the two T-shaped sliding blocks, one ends of return springs are welded on the adjacent inner walls of the two T-shaped sliding grooves respectively, the other ends of the two return springs are welded on the side wall of one side of each T-shaped sliding block, limiting blocks are welded on the side wall of the other side of each T-shaped sliding block, limiting grooves are formed in the upper side and the lower side of each connecting block respectively, through holes are formed in the upper end and the lower end of each connecting block, the limiting blocks are connected with the through holes in a sliding mode respectively, and threaded holes are formed in the left side wall of each connecting block, butterfly bolts are meshed in the threaded holes through threads;

2. The insertion fixing device of the jigger hand wheel for the traction machine according to claim 1, wherein the number of the rollers is N, N being not less than 2.

3. The insertion fixing device of the jigger hand wheel for a traction machine according to claim 1, wherein the through hole and the stopper groove are in the same vertical line and have the same diameter.