CN214578631U

CN214578631U - Speed reducer special for manufacturing plug valve

Info

Publication number: CN214578631U
Application number: CN202120296964.0U
Authority: CN
Inventors: 应成龙
Original assignee: Zhejiang Huixin Driving Machine Co ltd
Current assignee: Zhejiang Huixin Driving Machine Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-02
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to a special speed reducer for manufacturing a plug valve, which comprises a speed reducer body, wherein the speed reducer body comprises a speed reducer shell, a driver and a first output shaft, the first output shaft is connected with the output end of the driver, the first output shaft is provided with a first gear, a second output shaft and a third output shaft are further arranged in the speed reducer shell, the second output shaft is arranged on the adjacent side of the first output shaft, the second output shaft is provided with a second gear and a third gear, a fourth gear is meshed with the third gear, the third output shaft is provided with an axial control end and a shaft end to be connected, the axial control end is provided with a shaft disc, the shaft disc is processed into an oblique end face, a shaft lever is arranged in the speed reducer body, the end face of the rolling element is in contact with the oblique end face, an elastic element is arranged at the axial control end and is arranged on the speed reducer shell, and the other end of the elastic element abuts against the axial control end. The rotary and axial motion integrated special product designed by the scheme greatly improves the grinding quality and efficiency.

Description

Speed reducer special for manufacturing plug valve

Technical Field

The utility model relates to a technical field of speed reducer, especially a special speed reducer is made to plug valve.

Background

The plug valve is a through valve which can be quickly opened and closed, has the functions of shunting, throttling, opening and closing and the like, and is widely applied to pipelines of equipment such as oil fields, natural gas, chemical industry, beer beverages and the like. It has extremely harsh processing requirement to the form tolerance and the roughness of the sealed face of cylinder or circular cone, and the tradition is through rotary equipment to the abrasive machining of sealed face, and in addition the manual control axial motion accomplishes the grinding to sealed face, and is inefficient and human cost high, and a valve body need grind about half an hour. Under the background of urgent needs of the market, the special product integrating the rotation and the axial movement is produced by the company, the grinding quality and efficiency are greatly improved, and the industrial upgrading of the automation degree is realized for the manufacturing industry of the plug valve.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special speed reducer is made to plug valve has solved the problem that exists in the use among the prior art.

The technical scheme of the utility model is realized like this:

the utility model provides a special speed reducer is made to plug valve, includes the speed reducer body, and the speed reducer body includes speed reducer casing, driver, installs the first output shaft in the speed reducer casing, and this first output shaft is installed first gear, its characterized in that at the output of driver on the first output shaft: a second output shaft and a third output shaft are further arranged in the speed reducer shell, the second output shaft is arranged on the adjacent side of the first output shaft, the second output shaft is provided with a second gear and a third gear which are meshed with the first gear, the second gear and the third gear are coaxially arranged on the second output shaft, the third output shaft is provided with a fourth gear, the fourth gear is meshed with the third gear, the third output shaft is provided with an axial control end arranged in the speed reducer body and a shaft end to be connected, the shaft end extends out of the speed reducer body, the axial control end is provided with a shaft disc, one end face of the shaft disc is processed into an oblique end face with an oblique structure, a shaft lever for controlling the axial movement of the third output shaft is arranged in the speed reducer body, a rolling piece is arranged on the shaft lever, and the end face of the rolling piece is contacted with the oblique end face, the rolling part end face and the highest position of the inclined end face form a triangular gap, the axial control end is provided with an elastic part, the elastic part is arranged on the speed reducer shell, and the other end of the elastic part is abutted against the axial control end.

Preferably, the first output shaft and the second output shaft are both mounted in the reducer body through a first bearing assembly.

Preferably, the axial control end of the third output shaft is further provided with an installation disc seat, the installation disc seat is installed on the shaft disc through a screw, the first output shaft is provided with a shaft sleeve, one end of the elastic element is installed on the installation disc seat, and the other end of the elastic element is installed on the end face of the shaft sleeve.

Preferably, the third output shaft is mounted in the reducer body through a second bearing assembly, and the second bearing assembly consists of a linear bearing and a bearing.

Preferably, the elastic element is a spring.

Preferably, the rolling elements are bearings.

Preferably, the oblique end face of the shaft disc is machined to 5-45 °.

Preferably, an oil seal assembly is installed between the third output shaft and the speed reducer body.

Preferably, the oil seal assembly adopts a framework oil seal.

To sum up, compare with prior art, the beneficial effects of the utility model reside in that:

firstly, the method comprises the following steps: the speed reducer special for the plug valve can be designed and customized according to the rotating direction, the rotating speed and the bearing capacity required by customers;

II, secondly: the axial motion stroke and frequency of each rotation can be designed according to the application requirement of the product while the rotation deceleration motion is met;

thirdly, the method comprises the following steps: the output shaft is provided with an elastic anti-collision device, so that elastic compensation is ensured when the mechanism is axially fed, and equipment is protected from being damaged;

fourthly, the method comprises the following steps: the input and output are coaxially designed, and the base is parallel to the output axis and can be directly arranged on the upright post sliding seat;

fifthly: the speed reducer special for the plug valve can be driven by a diversified prime motor, such as an electric motor, a hydraulic motor and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic diagram of an external structure of a speed reducer special for manufacturing a plug valve.

Fig. 2 is a schematic diagram of the appearance structure of a speed reducer special for manufacturing a plug valve.

Fig. 3 is a schematic diagram of an internal structure of a speed reducer dedicated for manufacturing a plug valve.

Fig. 4 is a schematic diagram of the internal structure of a speed reducer dedicated for manufacturing a plug valve.

Fig. 5 is a schematic view of the structure at a in fig. 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 5 of 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 efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1 to 5, the utility model discloses a special speed reducer is made to plug valve, its main aim at realize rotatory also can realize axial motion, and concrete scheme is as follows: the speed reducer comprises a speed reducer body, wherein the speed reducer body comprises a speed reducer shell 1, a driver 2 and a first output shaft 3 arranged in the speed reducer shell, the driver 2 is a motor, a hydraulic motor and the like, and bearings 1-3 and bearings 1-1 are matched on the first output shaft. The tail end of the first output shaft is provided with an oil seal part 1-4, for example, a framework oil seal is adopted, the first output shaft is connected to the output end of the driver, the first output shaft is driven to rotate through the rotation of the motor, the first gear 4 is installed on the first output shaft, the installation position of the first gear 4 is that the bearings 1-3 and the bearings 1-1 are adopted, the stability can be further improved, a second output shaft 6 and a third output shaft 8 are further installed in the speed reducer shell, the second output shaft 6 is installed on the adjacent side of the first output shaft 3, and the second output shafts are all installed in the speed reducer body through the bearings 6-2. The scheme adopts a parallel mode and is arranged in the speed reducer shell to further improve the transmission reliability, the second output shaft 6 is provided with a second gear 5 and a third gear which are meshed with the first gear, the third gear has two modes, the first mode is formed by a tooth surface processed on the end surface of the second output shaft 6, or the second mode can be sleeved on the second output shaft 6, the first mode is preferentially adopted by the scheme, the space can be reduced, the transmission stability can also be improved, the second gear 5 and the third gear are coaxially arranged on the second output shaft, the third output shaft 8 is provided with a fourth gear 7, the fourth gear 7 is meshed with the third gear, the third output shaft is provided with an axial control end arranged in the speed reducer body and a shaft end 8-1 to be connected, which extends out of the speed reducer body, the axial control end is provided with a shaft disc 12, one end face of the shaft disc 12 is processed into an oblique end face 121 with an oblique structure, a shaft rod 17 for controlling the axial movement of the third output shaft is arranged in the speed reducer body, a rolling element 18 is arranged on the shaft rod 17, the end face of the rolling element 21 is contacted with the oblique end face, the contact position is basically located on a low face B of the oblique end face, a triangular gap is formed between the end face of the rolling element 18 and the highest position of the oblique end face, the axial control end is provided with an elastic element 14, and preferably, the elastic element is a spring. The elastic element 14 is mounted on the reducer casing with the other end abutting against the axial control end. Preferably, the rolling elements are bearings.

The way of the shaft 17 and the speed reducer housing is: the speed reducer shell is provided with an installation seat with a through hole, a shaft sleeve 20 and a shaft rod 21 of a bearing 21 positioned on two sides of the shaft sleeve 20 are installed and sleeved in the through hole, and the through hole of the installation seat is sealed and fixed through a valve cover 16.

The axial control end of the third output shaft is also provided with a mounting disc seat, the mounting disc seat is mounted on a shaft disc through a screw 22, the first output shaft is provided with a shaft sleeve 15, one end of the elastic part 14 is mounted on the mounting disc seat 13, and the other end of the elastic part is mounted on the end face of the shaft sleeve 15. The third output shaft is mounted in the reducer body through a second bearing assembly, the second bearing assembly is composed of a linear bearing 11 and a bearing 10, the bearing 10 can be a roller bearing, but is not limited to the roller bearing, and it can be seen that 2 linear bearings 11 and a plurality of bearings 10 are combined and matched to further stabilize. The elastic piece 14, the mounting disc seat 13 and the shaft sleeve 15 form the elastic anti-collision device, and the third output shaft is provided with the elastic anti-collision device, so that the elastic compensation is realized when the mechanism is axially fed, and the equipment is protected from being damaged.

The oblique end face A of the shaft disc is processed into 5-45 degrees, the set angle is determined according to the axial travel amount of the shaft end 8-1 to be connected of the third output shaft, when a larger axial direction is needed, the set angle is larger, and the shaft end 8-1 to be connected is used as driving power for grinding the sealing face of the plug valve.

In order to improve the sealing performance, an oil seal assembly 9 is arranged between the third output shaft and the speed reducer body. Wherein the oil seal component adopts a framework oil seal.

The working principle of the utility model, when starting, the driver works, the rotation of the first output shaft is driven by the rotation of the driver, the second output shaft is driven to rotate by the meshing between the first output shaft and the second output shaft, the second output shaft is meshed with the third output shaft, the rotation of the third output shaft is driven, the rotation function is realized, meanwhile, when the third output shaft rotates, because the shaft disc 12 is additionally arranged, an end surface of the shaft disc 12 is processed into an oblique end surface 121 with an oblique structure, the third output shaft can realize the backward movement along with the contact shaft of the oblique end surface 121 of the shaft disc 12 and the rolling piece, meanwhile, because the elastic piece 14 is additionally arranged, the third shaft can be pushed back according to the characteristics of the spring, the axial reciprocating movement is realized, through the reasonable design of the scheme, the axial and rotation simultaneous working of the single shaft, namely the third output shaft is realized, the work that can only be accomplished by a plurality of machines is realized, and the device is very distinctive.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a special speed reducer is made to plug valve, includes the speed reducer body, and the speed reducer body includes speed reducer casing, driver, installs the first output shaft in the speed reducer casing, and this first output shaft is installed first gear, its characterized in that at the output of driver on the first output shaft: a second output shaft and a third output shaft are further arranged in the speed reducer shell, the second output shaft is arranged on the adjacent side of the first output shaft, the second output shaft is provided with a second gear and a third gear which are meshed with the first gear, the second gear and the third gear are coaxially arranged on the second output shaft, the third output shaft is provided with a fourth gear, the fourth gear is meshed with the third gear, the third output shaft is provided with an axial control end arranged in the speed reducer body and a shaft end to be connected, the shaft end extends out of the speed reducer body, the axial control end is provided with a shaft disc, one end face of the shaft disc is processed into an oblique end face with an oblique structure, a shaft lever for controlling the axial movement of the third output shaft is arranged in the speed reducer body, a rolling piece is arranged on the shaft lever, and the end face of the rolling piece is contacted with the oblique end face, the rolling part end face and the highest position of the inclined end face form a triangular gap, the axial control end is provided with an elastic part, the elastic part is arranged on the speed reducer shell, and the other end of the elastic part is abutted against the axial control end.

2. The special speed reducer for manufacturing the plug valve according to claim 1, wherein: the first output shaft and the second output shaft are both installed in the speed reducer body through a first bearing assembly.

3. The speed reducer special for manufacturing the plug valve according to claim 1 or 2, wherein: the axial control end of the third output shaft is also provided with an installation disc seat, the installation disc seat is installed on the shaft disc through a screw rod, the first output shaft is provided with a shaft sleeve, one end of the elastic part is installed on the installation disc seat, and the other end of the elastic part is installed on the end face of the shaft sleeve.

4. The special speed reducer for manufacturing the plug valve according to claim 1, wherein: the third output shaft is arranged in the speed reducer body through a second bearing assembly, and the second bearing assembly consists of a linear bearing and a bearing.

5. The speed reducer special for manufacturing the plug valve according to claim 1 or 4, wherein: the elastic part adopts a spring.

6. The speed reducer special for manufacturing the plug valve according to claim 4, wherein: the rolling parts adopt bearings.

7. The special speed reducer for manufacturing the plug valve according to claim 1, wherein: the oblique end face of the shaft disc is processed into 5-45 degrees.

8. The special speed reducer for manufacturing the plug valve according to claim 1, wherein: and an oil seal assembly is arranged between the third output shaft and the speed reducer body.

9. The special speed reducer for manufacturing the plug valve according to claim 8, wherein: the oil seal assembly adopts a framework oil seal.