CN217029498U

CN217029498U - Oil circuit system of speed regulator

Info

Publication number: CN217029498U
Application number: CN202220204245.6U
Authority: CN
Inventors: 李明俊; 何勇军; 宋刚; 张恩源
Original assignee: Chongqing Purenda Technology Co ltd
Current assignee: Chongqing Purenda Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-22
Anticipated expiration: 2032-01-25

Abstract

The application relates to an oil circuit system of speed regulator, includes: the bearing shaft is provided with a flange part at one end; the fixing ring is arranged on one side, away from the bearing shaft, of the flange part, and the fixing ring is fixed on the flange part through bolts; a piston mechanism mounted to the fixed ring; the induction rotor is fixed on the piston mechanism, and the piston mechanism can push the induction rotor to move axially along the bearing shaft; and the conveying oil way comprises a first oil way and a second oil way which are communicated with each other, the first oil way is arranged in the bearing shaft, the second oil way is a bolt hole of the bolt, and the second oil way is communicated with the piston mechanism. The problem that the design of an oil way in an oil way system of a permanent magnet speed regulator in the prior art is too complex is solved.

Description

Oil circuit system of speed regulator

Technical Field

The application relates to the technical field of mechanical transmission, in particular to an oil circuit system of a speed regulator.

Background

The speed regulator is a speed regulating transmission device, and can realize the functions of speed regulation and energy conservation during mechanical transmission. The permanent magnet speed regulator is used as a novel speed regulation transmission device, and the equipment for changing the rotating speed output of the system is realized by changing the gap between the conductor rotor and the induction rotor so as to change the size of an induction magnetic field generated on the conductor disc and finally change the size of the transferable torque. The motor dragging system can adapt to severe environment and has long service life, so that the motor dragging system is widely applied to motor dragging systems in industries such as petroleum, petrifaction, electric power, mines, steel, chemical engineering, cement and the like.

In the existing permanent magnet speed regulator, an oil cylinder is selected to drive a piston to push an induction rotor so as to realize axial movement with a certain amplitude, but an oil circuit for pushing the piston is arranged in the permanent magnet speed regulator and is complex, and structural components which need to be arranged in an oil circuit system in the permanent magnet speed regulator are increased, so that the impact resistance of internal components of the oil circuit system of the permanent magnet speed regulator is poor.

SUMMERY OF THE UTILITY MODEL

Based on this, provide an oil piping system of speed regulator, improved the too complicated problem of design of oil circuit among the oil piping system of permanent magnet speed regulator among the prior art.

An oil circuit system of a speed governor, comprising:

the bearing shaft is provided with a flange part at one end;

the fixing ring is arranged on one side, away from the bearing shaft, of the flange part, and the fixing ring is fixed on the flange part through bolts;

a piston mechanism mounted to the fixed ring;

the induction rotor is fixed on the piston mechanism, and the piston mechanism can push the induction rotor to move axially along the bearing shaft;

and the conveying oil way comprises a first oil way and a second oil way which are mutually communicated, the first oil way is arranged in the bearing shaft, the second oil way is a bolt hole of the bolt, and the second oil way is communicated with the piston component.

In one embodiment, the first oil passage comprises a first oil passage, a second oil passage and a third oil passage which are communicated with each other;

the second oil passage extends to the flange portion in the axial direction;

the third oil passage is formed in the flange portion and communicated to the second oil passage in the radial direction.

In one embodiment, the oil supply passage further includes a third oil passage for communicating the piston mechanism and the second oil passage.

In one embodiment, the piston mechanism includes a piston body and an outer piston retainer ring, the outer piston retainer ring is mounted at one end of the fixing ring away from the bearing shaft, the induction rotor is fixed to the piston body, the piston body is fixed to the outer piston retainer ring, and the third oil path is arranged in the outer piston retainer ring.

In one embodiment, a connecting retainer ring is fixed on one side of the flange portion facing the bearing shaft, the piston body is provided with a return spring, one end of the return spring is fixed on the connecting retainer ring, and the other end of the return spring is connected to the piston body.

In one embodiment, a protective pipe is installed on the connecting retainer ring, one end of the return spring is arranged in the protective pipe, the piston body is provided with an avoiding hole matched with the protective pipe, and the avoiding hole can provide an avoiding space for the protective pipe when the induction rotor axially moves.

In one embodiment, a plurality of supporting columns are fixed between the connecting retainer ring and the piston outer retainer ring for supporting the connecting retainer ring and the piston outer retainer ring, the plurality of supporting columns are arranged along the circumferential direction of the bearing shaft, and the supporting columns penetrate through the piston body.

In conclusion, the oil circuit system of the speed regulator has the following beneficial technical effects: the oil circuit system of the speed regulator adopts the piston mechanism to control and regulate the axial movement of the induction rotor, so that the axial movement process of the induction rotor is more stable, the first oil circuit for supplying the piston mechanism is arranged in the bearing shaft, the second oil circuit and the bolt hole in the fixed ring are in the same pore channel, and redundant oil circuit pipelines are arranged in the oil circuit system of the speed regulator in the process of designing the oil circuit, so that the structure in the oil circuit system of the speed regulator is more compact, and the stability is relatively higher.

Drawings

FIG. 1 is a schematic diagram of an oil circuit system of a governor in one embodiment;

FIG. 2 is a schematic diagram of an exploded oil circuit system of the governor in one embodiment;

FIG. 3 is a schematic cross-sectional view of an oil circuit system of a governor in one embodiment.

Reference numerals are as follows: 1. a carrier shaft; 11. a flange portion; 2. a fixing ring; 3. a piston mechanism; 31. a piston body; 311. an inner seal ring; 312. a piston ring; 313. an outer seal ring; 32. an outer piston retainer ring; 33. connecting a check ring; 34. a piston inner retainer ring; 35. a return spring; 36. protecting the pipe; 4. an induction rotor; 5. a first oil passage; 51. a first oil passage; 52. a second oil passage; 53. a third oil passage; 6. a second oil passage; 7. and a third oil passage.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

It should be noted that the illustrations provided in the present embodiments are only schematic illustrations of the basic idea of the present invention.

The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the appended claims.

References in this specification to orientations or positional relationships such as "upper," "lower," "left," "right," "middle," "longitudinal," "lateral," "horizontal," "inner," "outer," "radial," "circumferential," and the like are based on the orientations or positional relationships illustrated in the drawings and are intended to simplify the description, rather than to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2, the present invention provides an oil circuit system of a speed regulator, which includes a bearing shaft 1, wherein a flange portion 11 is formed at one end of the bearing shaft 1; the fixing ring 2 is arranged on one side, away from the bearing shaft 1, of the flange part 11, and the fixing ring 2 is fixed on the flange part 11 through bolts; the piston mechanism 3 is arranged on the fixed ring 2; the induction rotor 4, the induction rotor 4 of the induction rotor 4 is sleeved on the fixed ring 2 and is fixedly connected with the piston mechanism 3; the piston mechanism 3 can push the induction rotor 4 to move axially along the bearing shaft 1; and the conveying oil way comprises a first oil way 5 and a second oil way 6 which are communicated with each other, the first oil way 51 is arranged in the bearing shaft 1, the first oil way 51 is a bolt hole of a bolt, and the second oil way 6 is communicated with the piston mechanism 3.

The end of the carrying shaft 1 remote from the flange is used for connecting a carrying device, and the torque of the motor can be transmitted to the carrying device at a specific rotating speed. The fixing ring 2 can provide a space for installing the piston mechanism 3, improve the structural stability of the piston mechanism 3 in an oil circuit system of the speed regulator, and ensure that the fixing ring 2 is more firmly installed on the flange part 11. The piston mechanism 3 can be adjusted according to the field working condition, and the induction rotor 4 arranged on the piston mechanism 3 is pushed to move along the axis direction of the bearing shaft 1, so that the area of a region subjected to magnetic induction is changed, and the function of adjusting the rotating speed is completed.

Referring to fig. 2 and fig. 3, the piston mechanism 3 includes a piston body 31 and an outer piston retainer 32, the outer piston retainer 32 is mounted at one end of the fixing ring 2 away from the bearing shaft 1, the induction rotor 4 is fixedly connected to the piston body 31, the piston body 31 is fixed to the outer piston retainer 32, and the piston body 31 can drive the induction rotor 4 to axially move relative to the outer piston retainer 32.

Specifically, the piston outer retainer ring 32 is of an annular structure and is coaxially arranged with the fixed ring 2, the piston body 31 includes an inner seal ring 311, a piston ring 312 and an outer seal ring 313, the inner seal ring 311, the piston ring 312 and the outer seal ring 313 are arranged with the same central axis and are sequentially sleeved on the fixed ring 2, the piston ring 312 is located between the inner seal ring 311 and the outer seal ring 313, the inner seal ring 311 and the outer seal ring 313 can axially slide relative to the piston ring 312, a piston inner retainer ring 34 is fixed on one side of the inner seal ring 311 and the outer seal ring 313 away from the piston outer retainer ring 32, the piston ring 312 is fixedly connected to the piston outer retainer ring 32 through bolts, a plurality of channels are arranged in the piston ring 312, the channels are used as transport channels of driving media for driving the piston body 31, the piston inner retainer ring 34 can form an accommodation gap with the outer seal ring 313 and the outer seal ring 313, and the accommodation gap is communicated with the channels, after the driving medium is introduced by the piston ring 312, the driving medium can be filled in the accommodating gap, and as the pressure in the accommodating gap increases to drive the inner sealing ring 311 and the outer sealing ring 313 to slide relative to the axis of the piston ring 312, the induction rotor 4 is fixed on the outer ring wall of the outer sealing ring 313, so that the inner sealing ring 311 can drive the induction rotor 4 to slide axially together, the area of magnetic induction is changed, and the function of adjusting the rotating speed is achieved.

It should be noted that the driving medium in the present application is hydraulic oil, and of course, the driving medium may also be selected according to the piston ring 312, such as gas, water or liquid metal.

With continued reference to fig. 2 and 3, a connecting retainer 33 is fixed to the flange portion 11 on the side facing the bearing shaft 1, the piston body 31 is provided with a return spring 35, one end of the return spring 35 is fixed to the connecting retainer 33, and the other end of the return spring 35 is connected to the piston body 31.

Specifically, the above-mentioned reset spring 35 that sets up can improve the stability of adjusting induction rotor 4 in-process, and reset spring 35 is located and connects between retaining ring 33 and the inner seal ring 311, and reset spring 35 is provided with a plurality of and a plurality of reset spring 35 and encircles the axis direction of bearing axle 1 and lay to make the atress of the outer sealing ring 313 of in-process that slides more even, stability is higher. The connection retainer 33 is fixed to the flange portion 11 by bolts, and the bolts are inserted through the connection retainer 33, the flange portion 11, the fixed ring 2, and the piston outer retainer 32 in this order to tightly connect the four.

In order to reduce the abnormal deformation of the return spring 35 during expansion and contraction, the connecting retainer ring 33 is provided with the protective tube 36, one end of the return spring 35 is arranged in the protective tube 36, the piston body 31 is provided with an avoiding hole matched with the protective tube 36, and the avoiding hole can provide an avoiding space for the protective tube 36 during axial movement of the induction rotor 4.

Specifically, one protection tube 36 is arranged corresponding to one return spring 35, a circular groove is formed in the connecting check ring 33, one end of the protection tube 36 is inserted into and fixed in the groove, the other end of the protection tube 36 is arranged towards the outer piston check ring 32, the avoiding hole is formed in the outer sealing ring 313 of the piston body 31, when the outer sealing ring 313 axially moves, the protection tube 36 can be inserted into the avoiding hole, so that the phenomenon that the protection tube 36 interferes with the sliding of the outer sealing ring 313 is reduced, and the return spring 35 is located in the protection tube 36, so that the return spring 35 is not prone to abnormal deformation.

In a preferred embodiment of the present application, the oil supply passage is provided inside each component, so as to reduce the number of cases where a passage is additionally provided in the oil passage system of the governor to supply the piston mechanism 3.

The first oil passage 5 includes a first oil passage 51, a second oil passage 52, and a third oil passage 53 that communicate with each other; the second oil passage 6 extends axially to the flange portion 11; the third oil passage 53 opens in the flange portion 11 and communicates to the second oil passage 6 in the radial direction.

Specifically, a bearing seat adapted to the bearing shaft 1 may be sleeved outside the bearing shaft 1 to support the bearing shaft 1, so that the bearing shaft 1 is balanced, meanwhile, the first oil passage 51 is perpendicular to the second oil passage 52, an opening of the first oil passage 51 is disposed on a side wall of the bearing shaft 1, and a driving medium for driving the piston mechanism 3 may enter the second oil passage 52 from the first oil passage 51 through a gap provided in the bearing seat to be supplied. It should be noted that two first oil passages 51 and two second oil passages 52 are provided, the two first oil passages 51 are distributed around the central axis of the bearing shaft 1 and are arranged in an axisymmetrical manner, and the two second oil passages 52 are distributed around the central axis of the bearing shaft 1 and are arranged in an axisymmetrical manner, so that the stability of the rotation of the bearing shaft 1 can be improved. Of course, the number of the first oil passage 51 and the second oil passage 52 provided may also be three or more in other embodiments.

With continued reference to fig. 2 and 3, a third oil passage 7 is provided on a side of the second oil passage 6 remote from the first oil passage 5, and the third oil passage 7 communicates the piston mechanism 3 with the second oil passage 6. The third oil passage 7 is provided in the piston outer retainer 32, and the third oil passage 7 is used to communicate the first oil passage 51 with the piston body 31 in the piston mechanism 3. The number of the third oil passages 7 is the same as that of the first oil passages 51, and one end of each third oil passage 7 is communicated with the end of the first oil passage 51, an opening at the end of a passage formed in the piston ring 312 is arranged towards the piston outer retainer ring 32, and the opening of the passage is communicated with the third oil passage 7, so that hydraulic oil for driving the piston body 31 to move can be led into the passage of the piston ring 312 through the first oil passage 51, the second oil passage 52, the third oil passage 53, the second oil passage 6 and the third oil passage 7 in sequence, and the outer seal ring 313 drives the induction rotor 4 to axially move.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An oil circuit system of a speed governor, comprising:

the bearing shaft is provided with a flange part at one end;

the piston mechanism is arranged on the fixing ring;

the induction rotor is connected to the piston mechanism, and the piston mechanism can push the induction rotor to move axially along the bearing shaft;

and the conveying oil way comprises a first oil way and a second oil way which are communicated with each other, the first oil way is arranged in the bearing shaft, the second oil way is a bolt hole of the bolt, and the second oil way is communicated to the piston mechanism.

2. The oil passage system of the speed governor of claim 1, wherein the first oil passage comprises a first oil passage, a second oil passage, and a third oil passage that communicate with one another;

the second oil passage extends to the flange portion in the axial direction;

3. The oil passage system of a governor according to claim 1, wherein the delivery oil passage further includes a third oil passage for communicating the piston mechanism and the second oil passage.

4. The oil circuit system of a speed governor according to claim 3, wherein the piston mechanism includes a piston body and an outer piston retainer ring, the outer piston retainer ring is mounted on an end of the stationary ring away from the load shaft, the induction rotor is fixed to the piston body, the piston body is fixed to the outer piston retainer ring, and the third oil circuit is disposed in the outer piston retainer ring.

5. The oil passage system of a speed governor according to claim 4, wherein a connection retainer ring is fixed to a side of the flange portion facing the carrier shaft, and the piston body is provided with a return spring, one end of the return spring is fixed to the connection retainer ring, and the other end of the return spring is connected to the piston body.

6. The oil circuit system of the speed governor according to claim 5, wherein a protection tube is installed to the connection retainer ring, one end of the return spring is disposed in the protection tube, the piston body is provided with an avoidance hole adapted to the protection tube, and the avoidance hole provides an avoidance space for the protection tube when the induction rotor moves axially.

7. The oil circuit system of a speed regulator according to claim 5, wherein a plurality of support columns are fixed between the connecting retainer ring and the outer piston retainer ring for supporting the connecting retainer ring and the outer piston retainer ring, the support columns are circumferentially arranged along a bearing shaft, and the support columns penetrate through the piston body.