CN219684537U - Axial moving tool for rotor shaft of compressor and compressor - Google Patents
Axial moving tool for rotor shaft of compressor and compressor Download PDFInfo
- Publication number
- CN219684537U CN219684537U CN202223178642.XU CN202223178642U CN219684537U CN 219684537 U CN219684537 U CN 219684537U CN 202223178642 U CN202223178642 U CN 202223178642U CN 219684537 U CN219684537 U CN 219684537U
- Authority
- CN
- China
- Prior art keywords
- rotor shaft
- compressor
- pull rod
- moving tool
- axially moving
- Prior art date
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Links
- 238000005461 lubrication Methods 0.000 claims description 25
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 5
- 125000003003 spiro group Chemical group 0.000 claims 1
- 230000001050 lubricating effect Effects 0.000 description 9
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model relates to the technical field of compressors, and discloses an axial moving tool of a rotor shaft of a compressor and the compressor. The axial moving tool of the rotor shaft of the compressor comprises a pull rod which can be connected to the shaft end of the rotor shaft and rotates coaxially with the rotor shaft, a guide sleeve which is fixed relative to the shell, and a wrench which is connected to the pull rod, wherein the guide sleeve is sleeved with the pull rod and is in threaded connection with the pull rod, and the pull rod can be driven to rotate relative to the guide sleeve through the wrench, so that the pull rod drives the rotor to axially move. The compressor includes a housing, a rotor shaft, and an axially moving tool for the compressor rotor shaft. The utility model can lead the rotor shaft of the compressor to continuously and stably axially move, and simultaneously realize accurate control on the moving distance.
Description
Technical Field
The utility model relates to the technical field of compressors, in particular to an axial moving tool of a rotor shaft of a compressor and the compressor.
Background
In the case of a centrifugal compressor, the thickness of the thrust bearing adjusting pad needs to be determined by adjusting the axial position of the rotor when the thrust bearing is installed, and furthermore, a minute movement of the axial position of the rotor with respect to the stator needs to be made at the assembly stage so that the axial gap therebetween meets the design value.
The prior art generally utilizes a jack or crow bar as an external tool to create a kick-type axial bouncing of the rotor shaft. The crowbar mode can not apply continuous acting force, so that the problem of damage caused by collision of the rotor and the stator due to overlarge force is easy to occur, and the rotor shaft and the bearing are easy to wear due to the fact that the applied force is not completely axial force; in addition, since the end face of the rotor compressor bearing housing is generally of an open structure, it is difficult to fix the jack. Moreover, the two modes cannot realize accurate control on the axial force and the moving distance.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, the acting force, the moving distance of a rotor shaft and the installation are difficult to control, and provides an axial moving tool of a rotor shaft of a compressor and the compressor.
In order to achieve the above object, according to one aspect of the present utility model, there is provided an axial moving tool for a rotor shaft of a compressor, the compressor including a housing and a rotor shaft, the compressor including a pull rod capable of being connected to a shaft end of the rotor shaft and rotating coaxially with the rotor shaft, a guide sleeve fixed with respect to the housing, and a wrench connected to the pull rod, the guide sleeve being sleeved on and screwed with the pull rod, the pull rod being capable of being driven to rotate with respect to the guide sleeve by the wrench, so that the pull rod drives the rotor shaft to move axially.
Optionally, the first end of the pull rod is in threaded connection with the shaft end of the rotor shaft.
Optionally, the axial moving tool of the compressor rotor shaft further comprises a bolt for fixing the pull rod with the shaft end of the rotor shaft in the circumferential direction.
Optionally, the second end of the pull rod has a rectangular cross section.
Optionally, the axial moving tool of the compressor rotor shaft further comprises a lubrication part fixedly connected with one axial end of the guide sleeve, and the pull rod rotatably penetrates through the lubrication part.
Optionally, an oil injection pipeline extending to the pull rod is arranged in the lubricating part.
Optionally, the axial moving tool of the rotor shaft of the compressor further comprises a sealing baffle sleeved on the pull rod and located at one end of the lubrication part far away from the guide sleeve.
Optionally, the wrench and the sealing barrier are rotatably connected by a ball bearing.
Optionally, the axial moving tool of the compressor rotor shaft further comprises a supporting frame detachably connected with the shell, and the guide sleeve and/or the lubrication part are/is fixed on the supporting frame.
A second aspect of the present utility model provides a compressor, comprising a housing, a rotor shaft and an axial moving tool for the rotor shaft of the compressor according to the above-mentioned aspect.
Through above-mentioned technical scheme, the axial displacement tool's of compressor rotor shaft pull rod passes through threaded connection and links to each other with the rotor shaft of compressor, utilizes the bolt to carry out circumference location to pull rod and rotor shaft, the external screw thread of pull rod cooperatees with the internal thread of the outside uide bushing is located to the cover, makes it rotate for the uide bushing through the spanner control pull rod to promote rotor shaft axial displacement, lubrication portion lubricates the pull rod simultaneously, and the support frame is connected respectively in the casing of compressor and the axial displacement tool of compressor rotor shaft, in order to guarantee stability, thereby makes the rotor shaft can last, steadily axial displacement, realizes accurate control to the displacement simultaneously.
Drawings
FIG. 1 is a cross-sectional view of a compressor and an axially moving tool for a compressor rotor shaft according to an embodiment;
FIG. 2 is a schematic view of an axially moving tool for a compressor rotor shaft and a compressor in accordance with an embodiment;
fig. 3 is a side view of an axially moving tool for a compressor rotor shaft and a compressor in accordance with an embodiment.
Description of the reference numerals
1. First end of pull rod 11
12. Second end 2 spanner
3. Bolt 4 guide sleeve
5. Lubrication part 51 oil injection pipeline
6. Ball bearing with sealing baffle 7
8. Shell 9 rotor shaft
10. Supporting frame
Detailed Description
In the present utility model, unless otherwise indicated, directional terms such as "upper, lower, inner, outer" and the like are used to indicate an azimuth or a positional relationship based on that shown in the drawings, only for convenience of description of the present design and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present design.
In the description of the present design, it should be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and the like are to be construed broadly, and for example, "connected," may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this design will be understood by those of ordinary skill in the art in a specific context.
In one aspect, the utility model provides an axial moving tool of a rotor shaft of a compressor, the compressor comprises a shell and the rotor shaft, the compressor comprises a pull rod 1 which can be connected to the shaft end of the rotor shaft and coaxially rotate with the rotor shaft, a guide sleeve 4 fixed relative to the shell, and a wrench 2 connected to the pull rod 1, the guide sleeve 4 is sleeved and screwed with the pull rod 1, and the pull rod 1 can be driven to rotate relative to the guide sleeve 4 through the wrench 2, so that the pull rod 1 drives the rotor shaft to axially move.
As shown in fig. 1, the axial moving tool of the rotor shaft of the compressor comprises a pull rod 1 capable of being connected to the shaft end of the rotor shaft, the pull rod 1 can coaxially rotate with the rotor shaft, a guide sleeve 4 fixedly arranged relative to a shell of the compressor is sleeved outside the pull rod 1, an external thread is arranged at the connecting position of the pull rod 1 and the guide sleeve 4, and the pull rod 1 and the guide sleeve 4 are in threaded connection by matching with the internal thread on the guide sleeve 4 so as to form a screw rod mechanism; as shown in fig. 3, the pull rod 1 is connected with a wrench 2, and the pull rod 1 can rotate relative to the guide sleeve 4 and axially move relative to the guide sleeve by rotating the wrench 2, and meanwhile, the pull rod 1 drives a rotor shaft coaxially arranged with the pull rod to generate axial displacement, and in a specific embodiment, the wrench 2 adopts a claw wrench, so that the operation is more convenient. Continuous and controllable axial force can be applied to the rotor shaft through the rotary wrench 2, so that the rotor shaft can smoothly move, damage to the rotor shaft possibly caused by sudden jump movement and radial force is avoided, and more accurate displacement can be realized.
Optionally, the first end 11 of the pull rod 1 is screwed to the shaft end of the rotor shaft. The pull rod 1 comprises a first end 11 connected with the shaft end of the rotor shaft, the first end 11 is provided with external threads, and the pull rod 1 is in threaded connection with the rotor shaft by matching with internal threads arranged at the shaft end of the rotor shaft, so that the pull rod 1 and the rotor shaft are coaxially arranged, and axial acting force can be applied to the rotor shaft through the pull rod 1.
Optionally, the axial moving tool of the rotor shaft of the compressor further comprises a bolt 3 for fixing the pull rod 1 to the shaft end of the rotor shaft in the circumferential direction. As shown in fig. 1, the pull rod 1 is fixed with the shaft end of the rotor shaft in the circumferential direction through the bolt 3, so that the pull rod 1 is fixed relative to the rotor shaft, and no axial, radial or circumferential displacement is generated, thereby driving the rotor shaft to synchronously move in the axial direction through rotating the pull rod 1. The bolts 3 can be arranged on an annular flange, close to one end of the rotor shaft, of the pull rod 1, one end, close to the rotor shaft, of the annular flange is fixed with the end face of the rotor shaft through the bolts 3, or the pull rod 1 is sleeved with a flange, and then the pull rod is fixed with the end face of the rotor shaft through the bolts 3.
In a specific embodiment, the pull rod 1 is in threaded connection with the rotor shaft, and meanwhile, the bolt 3 is used for circumferential fixation, so that the pull rod 1 and the rotor shaft can be prevented from rotating relatively, and the situation that the rotor shaft and the pull rod 1 are locked through connecting threads in the rotation process of the pull rod is avoided.
Alternatively, the second end 12 of the tie rod 1 is rectangular in cross section. The second end 12 of the pull rod 1 is rectangular, namely, the tail part is square, so that the second end 12 of the pull rod 1 is clamped by a spanner, the position of the pull rod 1 is more easily fixed or the pull rod 1 is rotated, and the pull rod 1 and the rotor shaft are in threaded connection and/or are fixed by bolts when the pull rod 1 and the shaft end of the rotor shaft are connected.
Optionally, the tool for axially moving the rotor shaft of the compressor further comprises a lubrication part 5 fixedly connected to one axial end of the guide sleeve 4, and the pull rod 1 rotatably penetrates the lubrication part 5.
The pull rod 1 is matched with the internal thread of the guide sleeve 4 through the external thread to realize the movement of the pull rod 1, one axial end of the guide sleeve 4 is connected with the lubrication part 5 for reducing the friction force between the two, the lubrication part 5 is sleeved outside the pull rod 1, and the pull rod 1 rotatably penetrates through the lubrication part 5 and the guide sleeve 4. The lubrication portion 5 is provided with a lubrication medium, which may be liquid or solid. The lubrication medium can enter the connection part of the pull rod 1 and the guide sleeve 4 and/or be brought to the guide sleeve 4 through the axial movement of the pull rod 1 so as to lubricate the guide sleeve 4 and the pull rod 1, so that the pull rod rotates more smoothly, the rotating speed and the rotating distance of the pull rod are easier to control, and the pull rod 1 is further ensured to drive the rotor shaft to smoothly move and accurately control the moving distance.
Optionally, a filler pipe line 51 extending to the tie rod 1 is provided in the lubrication part 5.
As shown in fig. 1, the lubricating part 5 may adopt a mode of injecting a lubricating medium externally, and an oil injection pipeline 51 is arranged in the lubricating part 5, and the oil injection pipeline 51 extends to the position of the pull rod 1 from the outside of the lubricating part 5, so that the lubricating medium injected externally can lubricate the pull rod 1 and flow to the position of the guide sleeve 4 along the pull rod 1 to lubricate, and friction force generated when the two rotate relatively is reduced.
Optionally, the axial moving tool of the rotor shaft of the compressor further comprises a sealing baffle 6 sleeved on the pull rod 1 and located at one end of the lubrication part 5 away from the guide sleeve 4. In order to prevent the lubricating medium from leaking to the outside of the axial moving tool of the compressor rotor shaft, a sealing baffle plate 6 is arranged at one end of the lubricating part 5 far away from the guide sleeve 4, and the sealing baffle plate 6 is sleeved on the pull rod 1 and is fixed relative to the lubricating part 5.
Optionally, the wrench 2 is rotatably connected to the sealing barrier 6 by means of ball bearings 7. In order to prevent friction between the wrench 2 and the sealing barrier 6, which results in difficulty in rotation of the wrench 2, a ball bearing 7 is provided between the wrench 2 and the sealing barrier 6 to reduce friction during rotation, to more easily rotate the wrench 2 and to control the rotation angle and distance thereof.
Optionally, the tool for axially moving the rotor shaft of the compressor further comprises a supporting frame 10 detachably connected with the housing, and the guide sleeve 4 and/or the lubrication part 5 are fixed on the supporting frame 10.
As shown in fig. 1 and 2, the axial moving tool of the rotor shaft of the compressor comprises a supporting frame 10 which can be connected with a shell, wherein the supporting frame 10 and the shell can be connected by bolts, the other end of the supporting frame 10 is connected with a lubrication part 5 and/or a guide sleeve 4, and the position and the direction of the axial moving tool of the rotor shaft of the compressor relative to the rotor shaft are adjusted by limiting the position of the lubrication part 5 and/or the guide sleeve 4; and through setting up support piece 10 and guaranteeing the fixed position of uide bushing 4, in spanner 2 rotation pull rod 1's in-process, through the cooperation of the internal thread of uide bushing 4 and the external screw thread of pull rod 1, make pull rod 1 and the coaxial setting of rotor shaft and synchronous rotation. The support frame 10 may be one or two or more.
A second aspect of the utility model provides a compressor comprising a housing 8, a rotor shaft 9 and means for moving the rotor shaft axially of the compressor according to the above-mentioned aspects. As shown in fig. 2, the pull rod 1 of the axial moving tool of the rotor shaft of the compressor is connected with the rotor shaft 9, the pull rod 1 rotates relative to the guide sleeve 4 sleeved outside the pull rod 1 under the action of the wrench 2, and simultaneously drives the rotor shaft 9 to rotate and axially displace, in a specific embodiment, two ends of the support frame 10 are connected with the shell and the guide sleeve 4 and/or the lubrication part 5, so as to ensure that the pull rod 1 of the axial moving tool of the rotor shaft of the compressor is coaxial with the rotor shaft 9 and the guide sleeve 4 is fixed relative to the position of the shell during the rotation of the pull rod 1.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a plurality of simple variants of the technical proposal of the utility model can be carried out, comprising that each specific technical feature is combined in any suitable way, and in order to avoid unnecessary repetition, the utility model does not need to be additionally described for various possible combinations. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.
Claims (8)
1. The utility model provides an axial displacement instrument of compressor rotor shaft, compressor includes casing and rotor shaft, its characterized in that, axial displacement instrument of compressor rotor shaft includes can connect in the axle head of rotor shaft and with rotor shaft coaxial pivoted pull rod (1), for shell fixed uide bushing (4), connect in spanner (2) of pull rod (1) and with axial one end fixed connection's of uide bushing (4) lubrication portion (5), uide bushing (4) cover establish and the spiro union in pull rod (1), can drive through spanner (2) pull rod (1) for uide bushing (4) rotate, so that pull rod (1) drive rotor axial displacement, pull rod (1) rotationally pass lubrication portion (5), be provided with in lubrication portion (5) and extend to oil pipe way (51) of pull rod (1) department.
2. An axially moving tool for a rotor shaft of a compressor according to claim 1, characterized in that the first end (11) of the tie rod (1) is screwed to the axial end of the rotor shaft.
3. An axially moving tool of a compressor rotor shaft according to claim 1, characterized in that the axially moving tool of the compressor rotor shaft further comprises a bolt (3) fixing the tie rod (1) circumferentially to the shaft end of the rotor shaft.
4. An axially moving tool for a compressor rotor shaft according to claim 1, characterized in that the second end (12) of the tie rod (1) is rectangular in section.
5. An axially moving tool for a compressor rotor shaft according to claim 1, further comprising a sealing baffle (6) which is fitted over the tie rod (1) and is located at the end of the lubrication portion (5) remote from the guide sleeve (4).
6. An axially moving tool for a compressor rotor shaft according to claim 5, characterized in that the wrench (2) and the sealing barrier (6) are rotatably connected by means of a ball bearing (7).
7. An axially moving tool for a compressor rotor shaft according to claim 1, characterized in that the axially moving tool for a compressor rotor shaft further comprises a support frame (10) detachably connectable with the housing, the guide sleeve (4) and/or the lubrication part (5) being fixed to the support frame (10).
8. A compressor, characterized by comprising a housing (8), a rotor shaft (9) and an axially moving tool of the rotor shaft of the compressor according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223178642.XU CN219684537U (en) | 2022-11-25 | 2022-11-25 | Axial moving tool for rotor shaft of compressor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223178642.XU CN219684537U (en) | 2022-11-25 | 2022-11-25 | Axial moving tool for rotor shaft of compressor and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219684537U true CN219684537U (en) | 2023-09-15 |
Family
ID=87971319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223178642.XU Active CN219684537U (en) | 2022-11-25 | 2022-11-25 | Axial moving tool for rotor shaft of compressor and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219684537U (en) |
-
2022
- 2022-11-25 CN CN202223178642.XU patent/CN219684537U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |