CN219862672U

CN219862672U - Screw headstock gear

Info

Publication number: CN219862672U
Application number: CN202320685319.7U
Authority: CN
Inventors: 李万宁
Original assignee: Hubei Port Cuijiaying Navigation And Power Hub Co ltd
Current assignee: Hubei Port Cuijiaying Navigation And Power Hub Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-10-20
Anticipated expiration: 2033-03-31

Abstract

The utility model provides a screw hoist, which comprises a screw hoist main body, wherein two carriages are fixedly arranged on the surface of the screw hoist main body, a second spring is arranged in each carriage, a plurality of limiting holes are formed in the side surface of each carriage, a support frame is arranged between the two carriages, a motor is arranged on the surface of each support frame, and a reinforcing block is fixedly connected to the bottom surface of each support frame; the two sides of the support frame are fixedly connected with sliding blocks, and clamping mechanisms are arranged in the sliding blocks. According to the utility model, through the mutual matching among the sliding blocks, the first springs, the limiting clamps and the limiting holes, the supporting frame can slide up and down and be fixed between the two sliding frames, so that the position of the motor can be conveniently adjusted, the transmission belt on the screw hoist main body can be conveniently disassembled and assembled, and meanwhile, the supporting performance of the motor is stronger by changing the installation position of the motor, so that the situation that the bolt for fixing the motor loosens and falls off is effectively reduced.

Description

Screw headstock gear

Technical Field

The utility model belongs to the field of hydraulic engineering, and particularly relates to a screw hoist.

Background

The screw hoist is also called as a screw hoist, is a machine which is connected with gate leaves of a gate directly by a threaded rod or through a guide slide block and a connecting rod, and the screw moves up and down to open and close the gate, and is commonly used for projects such as river dams in a reservoir irrigation area along with the wide development of hydraulic and hydroelectric projects;

when the screw hoist is used, the screw hoist needs to be regularly maintained and maintained, particularly the belt driven by the screw hoist needs to be replaced, and maintenance staff find that the motor of the current screw hoist is fixed on the surface of the screw hoist through bolts, and the belt can be conveniently detached only by disassembling the motor when the belt needs to be replaced in each maintenance, so that the screw hoist is very troublesome; meanwhile, the motor shell fixed on the surface of the screw hoist is in a suspended state, the support is poor, under the vibration generated by the gravity and running of the motor, the bolt for fixing the motor is easy to loose and fall off, and finally the motor is separated from the screw hoist, so that the use is influenced.

In summary, the present utility model provides a screw hoist to solve the above problems.

Disclosure of Invention

The utility model aims to provide a screw hoist to solve the problems in the prior art;

in order to achieve the above purpose, the present utility model provides the following technical solutions: the screw hoist comprises a screw hoist body, wherein two sliding frames are fixedly arranged on the surface of the screw hoist body, a second spring is arranged in the sliding frames, a plurality of limiting holes are formed in the side surfaces of the sliding frames, a supporting frame is arranged between the two sliding frames, a motor is arranged on the surface of the supporting frame, and a reinforcing block is fixedly connected to the bottom surface of the supporting frame;

the two sides of the support frame are fixedly connected with sliding blocks, and clamping mechanisms are arranged in the sliding blocks.

Preferably, two ends of the second spring are fixedly connected with the top surface of the inner wall of the sliding frame and the top surface of the sliding block respectively.

Preferably, the limiting holes are arranged at equal intervals on the side surface of the sliding frame.

Preferably, the support frame is of an L-shaped structure, and two side surfaces of the support frame are tangent to the inner side surfaces of the two sliding frames respectively.

Preferably, the support frame is in sliding connection with the two carriages through a sliding block.

Preferably, the engagement mechanism includes: the limiting clamp and the first spring are arranged in the sliding block, the limiting clamp is connected to one end of the first spring, and the protruding end of the limiting clamp penetrates out of the sliding block.

Preferably, an elastic structure is formed between the first spring and the sliding block by the limiting clamp, and the size of the protruding end of the limiting clamp is matched with the size of the limiting hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the mutual matching among the sliding blocks, the first springs, the limiting clamps and the limiting holes, the supporting frame can slide up and down and be fixed between the two sliding frames, so that the position of the motor can be conveniently adjusted, and the transmission belt on the screw hoist body can be conveniently disassembled and assembled.

2. According to the utility model, the motor is horizontally arranged on the surface of the support frame, and the triangular reinforcing blocks are additionally arranged on the right-angle bottom surface of the support frame for supporting, so that the motor is better in installation position and stronger in supportability, and the situations of loosening and falling of bolts for fixing the motor are effectively reduced.

Drawings

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

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic top view and enlarged view of the support frame of the present utility model;

FIG. 4 is a schematic cross-sectional view of a carriage of the present utility model;

FIG. 5 is a schematic perspective view of a support frame according to the present utility model;

fig. 6 is a schematic perspective view of a reinforcing block according to the present utility model.

In the figure: 1. a screw hoist body; 2. a carriage; 3. a support frame; 4. a motor; 5. a reinforcing block; 6. a slide block; 7. a first spring; 8. a limit clamp; 9. a second spring; 10. and a limiting hole.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-6, the utility model provides a screw hoist, the surface of the screw hoist main body 1 is fixedly provided with two carriages 2, the inside of the carriages 2 is provided with a second spring 9, the second spring 9 in fig. 4 is in a natural state, two ends of the second spring 9 are fixedly connected with the top surfaces of the inner walls of the carriages 2 and the top surfaces of sliding blocks 6 respectively, when a belt is replaced, the elasticity of the second spring 9 is used for enabling a certain resistance to be generated when a supporting frame 3 slides upwards, so as to reduce the tension when the belt is tensioned and relaxed, the supporting frame 3 can not rise rapidly, the safety is improved, the side surfaces of the carriages 2 are provided with a plurality of limiting holes 10, the limiting holes 10 are arranged at equal intervals on the side surfaces of the carriages 2, the supporting frame 3 is arranged between the two carriages 2, the supporting frame 3 is used for mounting and supporting a motor 4, the supporting frame 3 is in an L-shaped structure, two side surfaces of the supporting frame 3 are tangential to the inner side surfaces of the two carriages 2 respectively, the motor 4 is arranged on the surface of the supporting frame 3, the bottom surface of the supporting frame 3 is fixedly connected with a reinforcing block 5, and the supporting frame 3 can be a triangular supporting frame 3, and the stability can be increased; two sides of the support frame 3 are fixedly connected with sliding blocks 6, the support frame 3 is in sliding connection with the two sliding frames 2 through the sliding blocks 6, a clamping mechanism is arranged in the sliding blocks 6, and the clamping mechanism comprises: spacing card 8 and first spring 7, first spring 7 sets up in the inside of slider 6, the one end at first spring 7 is connected to spacing card 8, and slider 6 is worn out to spacing card 8's protruding end, constitute elastic construction between spacing card 8 and the slider 6 through first spring 7, and spacing card 8's protruding end size and spacing hole 10's size looks adaptation, through pressing spacing card 8, can make spacing card 8 shrink to the inside of slider 6, thereby can make support frame 3 slide between two balladeur trains 2, in order to conveniently adjust the position of support frame 3, thereby can carry out the suitability according to the elasticity demand that the belt used.

The specific working principle is as follows: as shown in fig. 1 to 6, when the screw hoist is used, firstly, the limiting clamp 8 is pressed to extrude the first spring 7 by pressing the limiting clamp 8, the first spring 7 is compressed and contracted, the limiting clamp 8 can move to the inside of the sliding block 6, so that the clamping between the limiting clamp and the limiting hole 10 is released, and the supporting frame 3 can slide between the two sliding frames 2, so that the belt can be loosened, the belt can be conveniently detached for replacement, so that the workload of an maintainer is reduced, and the replacement of the belt is more convenient, so that the screw hoist is characterized.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. The utility model provides a screw hoist, includes screw hoist main part (1), its characterized in that: the screw hoist comprises a screw hoist body (1), wherein two sliding frames (2) are fixedly arranged on the surface of the screw hoist body (1), a second spring (9) is arranged in the sliding frames (2), a plurality of limiting holes (10) are formed in the side surfaces of the sliding frames (2), a supporting frame (3) is arranged between the two sliding frames (2), a motor (4) is arranged on the surface of the supporting frame (3), and a reinforcing block (5) is fixedly connected to the bottom surface of the supporting frame (3);

the two sides of the supporting frame (3) are fixedly connected with sliding blocks (6), and clamping mechanisms are arranged in the sliding blocks (6).

2. The screw hoist of claim 1, characterized in that: the two ends of the second spring (9) are fixedly connected with the top surface of the inner wall of the sliding frame (2) and the top surface of the sliding block (6) respectively.

3. The screw hoist of claim 1, characterized in that: the limiting holes (10) are arranged at equal intervals on the side surface of the sliding frame (2).

4. The screw hoist of claim 1, characterized in that: the support frame (3) is of an L-shaped structure, and two side surfaces of the support frame (3) are tangent to the inner side surfaces of the two sliding frames (2) respectively.

5. The screw hoist of claim 1, characterized in that: the support frame (3) is connected with the two sliding frames (2) in a sliding way through the sliding blocks (6).

6. The screw hoist of claim 1, characterized in that: the engagement mechanism includes: the limiting clamp comprises a limiting clamp (8) and a first spring (7), wherein the first spring (7) is arranged inside the sliding block (6), the limiting clamp (8) is connected to one end of the first spring (7), and the protruding end of the limiting clamp (8) penetrates out of the sliding block (6).

7. The screw hoist of claim 6, characterized in that: the limiting clamp (8) forms an elastic structure between the first spring (7) and the sliding block (6), and the size of the protruding end of the limiting clamp (8) is matched with the size of the limiting hole (10).