CN218991817U

CN218991817U - Turning hand wheel of speed reducer of reciprocating machine

Info

Publication number: CN218991817U
Application number: CN202223499200.5U
Authority: CN
Inventors: 王凯; 姜博然
Original assignee: Zhejiang Dingsheng Petrochemical Engineering Co ltd
Current assignee: Zhejiang Dingsheng Petrochemical Engineering Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-09
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a turning hand wheel of a speed reducer of a reciprocating machine, which relates to the field of hand wheels and comprises a hand wheel, wherein a fixed sleeve is arranged in the middle of the hand wheel, a fixed plate is arranged in the fixed sleeve, a sucker is arranged on the fixed plate, a hollow bolt is arranged on the fixed sleeve, an air hole is formed in the hollow bolt, and a valve is arranged at the top of the hollow bolt. The utility model is mainly used for manual jiggering in the maintenance process of the reciprocating compressor, is used in the maintenance process of the slurry bed reciprocating machine, saves the effort of operators, reduces the jiggering time, improves the operation efficiency, greatly reduces the danger coefficient compared with the conventional pipe wrench jiggering, greatly improves the protection degree of a shaft, successfully realizes the improvement of the maintenance quality and efficiency, and ensures the jiggering safety during the maintenance operation.

Description

Turning hand wheel of speed reducer of reciprocating machine

Technical Field

The utility model relates to the field of handwheels, in particular to a jigger handwheel of a speed reducer of a reciprocating machine.

Background

The reciprocating compressor is a compressor which makes the cylinder volume change periodically through the reciprocating motion of the piston or the diaphragm in the cylinder and realizes the pressurization and the transportation of gas, and belongs to a positive displacement compressor, and the reciprocating compressor is divided into a piston type compressor and a diaphragm type compressor according to the reciprocating motion of the components.

The reciprocating compressors of the high-pressure hydrogenation devices of Zhejiang petrochemical industry are numerous, a speed reducer and a flywheel gear are meshed in the manual turning process of the reciprocating compressors, and the speed reducer is driven to rotate a crankshaft by turning a speed reducer shaft.

The fixed key is arranged in the existing jigger hand wheel fixed sleeve, the fixed key is clamped on the key groove of the speed reducer shaft, rotation transmission is prevented, jigger hand wheels with different sizes are used on the speed reducer shafts with different types and are replaced back and forth, the key groove on the speed reducer shaft is generally one, and the fixed key is required to be placed into the key groove in a tight thread joint manner, so that slight gaps can be generated.

Disclosure of Invention

Based on the problems, the utility model aims to provide the reciprocating machine speed reducer turning hand wheel so as to solve the technical problems of troublesome installation and low suitability of the conventional reciprocating machine speed reducer turning hand wheel.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a reciprocating engine speed reducer jigger hand wheel, includes the hand wheel, be provided with fixed sleeve in the middle of the hand wheel, be provided with the fixed plate in the fixed sleeve, be provided with the sucking disc on the fixed plate, be provided with hollow bolt on the fixed sleeve, be provided with the gas pocket on the hollow bolt, the hollow bolt top is provided with the valve.

Through adopting above-mentioned technical scheme, promote the fixed plate through rotating hollow bolt, sucking disc on the fixed plate adsorbs in the pivot at the free radical, rotates the valve at hollow bolt top, and gas makes the interior atmospheric pressure of sucking disc the same with outside through the gas pocket.

The utility model is further characterized in that a first bolt is arranged on one side of the hollow bolt on the fixed sleeve, and a second bolt is arranged on the other side of the hollow bolt.

Through adopting above-mentioned technical scheme, first bolt and second bolt make the fixed plate both sides fix, prevent that fixed plate and speed reducer shaft from laminating inseparably, lead to sucking disc gas leakage to lose the absorption.

The utility model is further characterized in that the inside of the fixed sleeve is provided with a lining pipeline, and the lining pipeline is in a hollow state and is attached to the inner circle of the fixed sleeve.

By adopting the technical scheme, the protection effect on the speed reducer shaft can be achieved when the anti-extrusion device is fixed, the wear resistance is good, and the service life is long.

The utility model is further characterized in that the hand wheel and the middle fixing sleeve are connected and provided with connecting columns, and three connecting columns are fixed on the hand wheel and the fixing sleeve.

By adopting the technical scheme, the force obtained by rotating the hand wheel is transmitted to the fixed sleeve through the connecting column.

The utility model is further characterized in that the hand wheel is provided with a handle, the handle is arranged on the front surface of the hand wheel, and the handle is cylindrical.

Through adopting above-mentioned technical scheme, this function is mainly in order to ensure the safety when the hand wheel is rotatory to avoid personnel to cause the injury when passing by, conveniently snatch, the effect of labour saving and time saving.

In summary, the utility model has the following advantages:

1. according to the utility model, the fixing plate is pushed to approach the bearing to be fixed by rotating the hollow bolt, the two sides of the fixing plate are also fixed by the first bolt and the second bolt, so that the sucking disc is prevented from air leakage, the sucking disc is extruded to be adsorbed on the bearing, the other side of the sucking disc is extruded to be adsorbed on the lining pipeline, so that the fixing effect is achieved, the air hole is ventilated to achieve internal and external air pressure balance by the rotary valve door, the sucking disc loses adsorption, and the fixing sleeve is convenient to detach when the work is finished;

2. the hand wheel of the reciprocating machine speed reducer jigger is mainly used for manual jiggering in the overhaul process of the reciprocating compressor, is used in the overhaul process of the slurry bed reciprocating machine, saves the effort of operators, reduces jiggering time, improves the operation efficiency, greatly reduces the danger coefficient compared with the conventional pipe wrench jiggering, greatly improves the protection degree of a shaft, successfully realizes the improvement of the overhaul quality and efficiency, and ensures the jiggering safety in the overhaul operation.

Drawings

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

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

FIG. 3 is a rear view of the present utility model;

fig. 4 is a schematic view of a fixing structure of the present utility model.

In the figure: 1. a hand wheel; 2. a fixed sleeve; 3. a handle; 4. a connecting column; 5. a hollow bolt; 6. a first bolt; 7. a second bolt; 8. lining the pipeline; 9. a fixing plate; 10. a suction cup; 11. a valve; 12. and (5) air holes.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

Example 1

As shown in figures 1-3, the main body mainly comprises a hand wheel 1, a fixed sleeve 2, a handle 3 and a connecting column 4, wherein the fixed sleeve 2 is arranged in the middle of the hand wheel 1, one end of the connecting column 4 is connected with the hand wheel 1, the other end of the connecting column is connected with the fixed sleeve 2, the handle 3 is arranged on the hand wheel 1, a fixing mechanism is arranged in the fixed sleeve 2, and a speed reducer shaft is fixed through the fixing mechanism.

Specifically, as shown in fig. 3 and 4, the fixing structure specifically includes a fixing sleeve 2, a fixing plate 9, a suction cup 10, a hollow bolt 5, a first bolt 6, a second bolt 7, and a lining pipe 8, the fixing plate 9 is provided in the fixing sleeve 2, the fixing plate 9 is made of flexible material, and can deform, the air is enabled to flow well in the hollow state, the suction cup 10 is provided in the inner ring of the fixing plate 9, the suction cup 10 is in radian shape, and is well adsorbed with the reducer shaft, the hollow bolt 5, the first bolt 6 and the second bolt 7 are provided in the outer ring of the fixing plate 9, meanwhile, the bolt passes through the fixing sleeve 2, the lining pipe 8 is attached to the fixing sleeve 2, when the hollow bolt 5, the first bolt 6 and the second bolt 7 rotate, the fixing plate 9 is pushed to be close to the reducer shaft to be fixed by the interaction of threads, the suction cup 10 on the inner side of the fixing plate 9 can tightly adsorb the reducer shaft, in order to prevent the fixing plate 9 from being attached to the reducer shaft in the non-tight state, the first bolt 6 and the second bolt 7 are specially provided, and the two sides of the fixing structure can not cause the suction cup 10 to be attached to the inner side.

When the use is finished, the sucking disc 10 can still be adsorbed on the speed reducer shaft, so that the air hole 12 is formed in the hollow bolt 5, the valve 11 is arranged above the hollow bolt 5, one end of the valve 11 stretches into the hollow bolt 5, the air hole 12 is also formed in the hollow bolt 5, after the air hole 12 on the rotary valve 11 is aligned with the air hole 12 on the hollow bolt 5, air can quickly pass through the fixing plate 9 to the sucking disc 10, the internal air pressure is the same as the external air pressure, the sucking disc 10 can lose the adsorption capacity, and the fixing sleeve 2 is convenient to detach.

In order to ensure the safety of the operator when using the hand wheel 1 to rotate, we have a handle 3 on the hand wheel 1, the hand wheel 1 being connected to the fixed sleeve 2 by a connecting post 4.

Specifically, as shown in fig. 1-3, one end of the connecting column 4 is connected with the hand wheel 1, the other end of the connecting column is connected with the fixed sleeve 2, the handle 3 is arranged on the front surface of the hand wheel 1, an operator holds the handle 3 to rotate the hand wheel 1, the rotating force drives the fixed sleeve 2 to rotate through the connecting column 4, the handle 3 is cylindrical and convenient to grasp, time and labor are saved, injury caused by personnel during working is avoided, and the hand wheel is used according to the method.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. The utility model provides a reciprocating engine speed reducer jigger hand wheel, includes hand wheel (1), its characterized in that: the novel hand wheel is characterized in that a fixed sleeve (2) is arranged in the middle of the hand wheel (1), a fixed plate (9) is arranged in the fixed sleeve (2), a sucker (10) is arranged on the fixed plate (9), a hollow bolt (5) is arranged on the fixed sleeve (2), an air hole (12) is formed in the hollow bolt (5), and a valve (11) is arranged at the top of the hollow bolt (5).

2. The reciprocating engine speed reducer jigger hand wheel according to claim 1, characterized in that: a first bolt (6) is arranged on one side of a hollow bolt (5) on the fixed sleeve (2), and a second bolt (7) is arranged on the other side of the hollow bolt (5).

3. The reciprocating engine speed reducer jigger hand wheel according to claim 1, characterized in that: the inside lining pipeline (8) that is provided with of fixed sleeve (2), lining pipeline (8) are hollow state and the laminating of fixed sleeve (2) interior circle.

4. The reciprocating engine speed reducer jigger hand wheel according to claim 1, characterized in that: the hand wheel (1) is connected with the middle fixing sleeve (2) and is provided with a connecting column (4), and the connecting column (4) is fixed on the hand wheel (1) and the fixing sleeve (2) in three ways.

5. The reciprocating engine speed reducer jigger hand wheel according to claim 1, characterized in that: the hand wheel (1) is provided with a handle (3), the handle (3) is arranged on the front surface of the hand wheel (1), and the handle (3) is cylindrical.