CN223354155U - A low-temperature steam compressor rotor assembly and disassembly tool - Google Patents
A low-temperature steam compressor rotor assembly and disassembly toolInfo
- Publication number
- CN223354155U CN223354155U CN202422690222.2U CN202422690222U CN223354155U CN 223354155 U CN223354155 U CN 223354155U CN 202422690222 U CN202422690222 U CN 202422690222U CN 223354155 U CN223354155 U CN 223354155U
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- main shaft
- sleeve
- disassembling
- hydraulic
- oil
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Abstract
本实用新型提供一种低温升蒸汽压缩机转子装拆工装，包括套筒、第一支撑座、第二支撑座、液压驱动件，套筒中设有油管芯轴，主轴上设有油道，油道的一端贯通主轴的端面并形成进油口，液压通道的另一端贯通主轴的侧面并形成出油口；在对叶轮进行安装时，第一支撑座的一端与叶轮轮毂的一端相连，液压驱动件与第一支撑座相连，套筒的一端与液压驱动件相连，套筒的另一端与主轴相连；在对叶轮进行拆卸时，第二支撑座的一端与设叶轮轮毂的一端相连，液压驱动件与第二支撑座相连，套筒的一端与液压驱动件相连，套筒的另一端与主轴相连。本实用新型降低了叶轮安装和拆卸和拆卸的难度，并且有效降低了安装和拆卸过程中内孔被划伤的风险。
The utility model provides a low-temperature steam compressor rotor assembly and disassembly tool, comprising a sleeve, a first support seat, a second support seat, and a hydraulic drive member. An oil pipe core shaft is provided in the sleeve, and an oil channel is provided on the main shaft. One end of the oil channel penetrates the end face of the main shaft and forms an oil inlet, and the other end of the hydraulic channel penetrates the side face of the main shaft and forms an oil outlet. When installing the impeller, one end of the first support seat is connected to one end of the impeller hub, the hydraulic drive member is connected to the first support seat, one end of the sleeve is connected to the hydraulic drive member, and the other end of the sleeve is connected to the main shaft. When disassembling the impeller, one end of the second support seat is connected to one end of the impeller hub, the hydraulic drive member is connected to the second support seat, one end of the sleeve is connected to the hydraulic drive member, and the other end of the sleeve is connected to the main shaft. The utility model reduces the difficulty of installing and disassembling the impeller, and effectively reduces the risk of the inner hole being scratched during the installation and disassembly process.
Description
Technical Field
The utility model relates to the technical field of vapor compressors, in particular to a low-temperature-rise vapor compressor rotor assembling and disassembling tool.
Background
The rotor structure of the low temperature rise steam compressor comprises an impeller and a main shaft, wherein the impeller adopts a welded structure, the structure is characterized in that the impeller adopts a three-dimensional flow blade form, the blade flow passage is narrow and long, the impeller adopts a duplex stainless steel material, and the main shaft adopts chromium-molybdenum alloy steel. The rotating speed of the impeller is higher and is generally 3000-6000rpm, the connecting mode of the inner hole of the impeller and the main shaft adopts a conical interference fit connecting structure, and in order to ensure the connecting stability, the interference of the inner hole of the impeller and the main shaft is larger.
Because the impeller is made of duplex stainless steel, the main shaft is made of chromium-molybdenum steel, and the interference magnitude between the impeller and the main shaft is large, the impeller and the main shaft can be assembled and disassembled only by large axial force, the assembly and the disassembly are difficult, and in the disassembly process, the inner hole of the impeller is easily scratched due to large friction force between the inner hole of the impeller and the main shaft.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a low-temperature-rise steam compressor rotor assembling and disassembling tool.
The utility model aims at realizing the technical scheme that the low-temperature-rise steam compressor rotor assembling and disassembling tool comprises a sleeve, a first supporting seat, a second supporting seat and a hydraulic driving piece, wherein an oil pipe mandrel is arranged in the sleeve, an oil duct is arranged on a main shaft, one end of the oil duct penetrates through the end face of the main shaft and forms an oil inlet, and the other end of the hydraulic duct penetrates through the side face of the main shaft and forms an oil outlet;
When the impeller is mounted, one end of the first supporting seat is connected with one end of the impeller hub, the hydraulic driving piece is connected with the first supporting seat, one end of the sleeve is connected with the hydraulic driving piece, and the other end of the sleeve is connected with the main shaft;
When the impeller is disassembled, one end of the second supporting seat is connected with one end of the impeller hub, the hydraulic driving piece is connected with the second supporting seat, one end of the sleeve is connected with the hydraulic driving piece, the other end of the sleeve is connected with the main shaft, one end of the oil pipe mandrel is connected with the oil inlet on the main shaft, and the other end of the oil pipe mandrel is connected with the hydraulic pump.
Preferably, the hydraulic driving member is a hydraulic nut, and the hydraulic nut is connected with the hydraulic pump.
Preferably, the first support seat is cylindrical.
Preferably, the second supporting seat comprises a first dismounting flange and a second dismounting flange, the first dismounting flange is connected with the second dismounting flange through a connecting screw, the first dismounting flange is connected with one end of the impeller hub, and the hydraulic driving piece is arranged on one side, close to the first dismounting flange, of the second dismounting flange.
Preferably, a cushion block is arranged between the hydraulic driving piece and the second dismounting flange.
Preferably, a first external thread is arranged at one end, connected with the oil inlet, of the oil pipe mandrel, and a first internal thread matched with the first external thread is arranged on the oil inlet.
Preferably, the end of the main shaft is provided with a screw thread body, and one end of the sleeve, which is close to the main shaft, is provided with a screw hole connected with the screw thread body.
Preferably, a counter bore is arranged on the outer side of the sleeve, which is close to one end of the hydraulic driving piece.
The utility model has the beneficial effects that the difficulty of installing, detaching and dismantling the impeller is reduced, and the risk of scratching the inner hole in the installing and dismantling process is effectively reduced.
Drawings
Fig. 1 is a schematic view of the present utility model when an impeller is installed.
Fig. 2 is a schematic view of the present utility model when the impeller is disassembled.
In the figure, 1, a hydraulic driving part, 2, a sleeve, 3 a first supporting seat, 4, an oil pipe mandrel, 5, a second supporting seat, 5-1, a first dismounting flange, 5-2, a second dismounting flange, 5-3, a connecting screw, 6, a cushion block, 7, an impeller, 7-1, an impeller hub, 8 and a main shaft.
Detailed Description
The technical solutions of the present utility model in the present utility model will be clearly and completely described in the following description of the embodiments with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
As shown in fig. 1 to 2, a low temperature rise steam compressor rotor assembling and disassembling tool comprises a sleeve 2, a first supporting seat 3, a second supporting seat 5 and a hydraulic driving piece 1, wherein an oil pipe mandrel 4 is arranged in the sleeve 2, an oil duct is arranged on a main shaft 8, one end of the oil duct penetrates through the end face of the main shaft 8 and forms an oil inlet, and the other end of the hydraulic duct penetrates through the side face of the main shaft 8 and forms an oil outlet;
When the impeller 7 is installed, one end of the first supporting seat 3 is connected with one end of the impeller hub 7-1, the hydraulic driving piece 1 is connected with the first supporting seat 3, one end of the sleeve 2 is connected with the hydraulic driving piece 1, and the other end of the sleeve 2 is connected with the main shaft 8;
When the impeller 7 is disassembled, one end of the second supporting seat 5 is connected with one end of the impeller hub 7-1, the hydraulic driving piece 1 is connected with the second supporting seat 5, one end of the sleeve 2 is connected with the hydraulic driving piece 1, the other end of the sleeve 2 is connected with the main shaft 8, one end of the oil pipe mandrel 4 is connected with an oil inlet on the main shaft 8, and the other end of the oil pipe mandrel 4 is connected with a hydraulic pump.
The oil pipe mandrel 4 is of a tubular structure, and hydraulic oil can pass through the oil pipe mandrel 4.
The utility model can realize the installation and the disassembly of the impeller 7. When the impeller 7 is installed, one end of the main shaft 8 is inserted into an inner hole on the impeller hub 7-1, the inner wall of the shaft hole is tightly contacted with the outer side of the main shaft 8, hydraulic oil with certain pressure is introduced into the hydraulic driving part 1 and the oil pipe mandrel 4 through the hydraulic pump, the hydraulic driving part 1 applies axial force to the sleeve 2, the sleeve 2 is pulled to move towards the direction of inserting the inner hole through the sleeve 2, meanwhile, hydraulic oil is introduced into an oil duct on the main shaft 8 through the oil pipe mandrel 4, and then hydraulic oil is discharged from an oil outlet at one end of the oil duct and enters between the wall of the inner hole and the outer surface of the main shaft 8, so that an oil film is formed between the wall of the inner hole and the outer surface of the main shaft 8, and the inner hole is expanded under the pressure of the hydraulic oil, so that the insertion of the main shaft 8 is facilitated, after the impeller 7 is installed, the oil supply into the oil pipe mandrel 4 is stopped, the inner hole is contracted and restored, and the main shaft 8 is firmly held tightly in the contraction process, so that the tightness of connection between the main shaft 8 and the main shaft 7 is effectively improved. In the installation process, an oil film exists between the hole wall of the inner hole and the outer surface of the main shaft 8, so that the oil film can play a good lubricating role, friction between the main shaft 8 and the hole wall of the inner hole can be reduced, and the risk of scratching the inner hole is reduced.
When the impeller 7 is disassembled, hydraulic oil with certain pressure is introduced into the hydraulic driving piece 1 and the oil pipe mandrel 4 through the hydraulic pump, the hydraulic driving piece 1 applies axial force to the sleeve 2, the sleeve 2 is pulled to move towards the direction of inserting the sleeve into the inner hole through the sleeve 2, meanwhile, the hydraulic oil is introduced into an oil duct on the main shaft 8 through the oil pipe mandrel 4, then the hydraulic oil is discharged from an oil outlet at one end of the oil duct and enters between the hole wall of the inner hole and the outer surface of the main shaft 8, so that an oil film is formed between the hole wall of the inner hole and the outer surface of the main shaft 8, the inner hole is expanded under the pressure of the hydraulic oil, the holding force of the inner hole to the main shaft 8 is reduced, the main shaft 8 can be pulled out from the inner hole of the impeller hub 7-1 easily, and in the disassembly process, the friction force between the inner hole wall of the inner hole and the main shaft 8 is reduced due to the expansion of the oil pressure, and the oil film exists between the hole wall of the inner hole and the outer surface of the main shaft 8, so that the risk that the inner hole is scratched in the disassembly process can be effectively reduced.
In this embodiment, the hydraulic driving member 1 is a hydraulic nut, and the hydraulic nut is connected to a hydraulic pump. The hydraulic nut is the prior art.
Wherein the first supporting seat 3 is cylindrical.
The second supporting seat 5 comprises a first dismounting flange 5-1 and a second dismounting flange 5-2, the first dismounting flange 5-1 and the second dismounting flange 5-2 are connected through a connecting screw 5-3, the first dismounting flange 5-1 is connected with one end of the impeller hub 7-1, and the hydraulic driving piece 1 is arranged on one side, close to the first dismounting flange 5-1, of the second dismounting flange 5-2.
A cushion block 6 is arranged between the hydraulic driving piece 1 and the second dismounting flange 5-2. The spacer 6 is used to adjust the distance between the hydraulic drive 1 and the second dismounting flange 5-2.
One end of the oil pipe mandrel 4 connected with the oil inlet is provided with a first external thread, and the oil inlet is provided with a first internal thread matched with the first external thread. One end of the oil pipe mandrel 4 is connected with an oil inlet on the main shaft 8 in a threaded connection mode.
The end of the main shaft 8 is provided with a screw thread body, and one end of the sleeve 2, which is close to the main shaft 8, is provided with a screw hole connected with the screw thread body. The threaded body is of a cylindrical structure, a second external thread is arranged on the outer side of the threaded body, a second internal thread matched with the second external thread is arranged on the inner side of the threaded hole, and when the sleeve 2 is connected with the main shaft 8, the threaded hole on the sleeve 2 is in threaded fit with the threaded body on the main shaft 8.
The sleeve 2 is adjacent to the hydraulic drive 1 the outer side of one end is provided with a counter bore. The counter bore is used for connecting a handle, one end of the handle can be inserted into the counter bore, the threaded body on the sleeve 2 and the main shaft 8 can be conveniently screwed up through the handle, and the sleeve 2 and the main shaft 8 can be conveniently disassembled.
The utility model reduces the difficulty of installing, detaching and dismantling the impeller 7, and effectively reduces the risk of scratch of the inner hole in the installing and dismantling process.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.
Claims (8)
1. The low temperature rise steam compressor rotor assembling and disassembling tool is characterized by comprising a sleeve, a first supporting seat, a second supporting seat and a hydraulic driving piece, wherein an oil pipe mandrel is arranged in the sleeve, an oil duct is arranged on a main shaft, one end of the oil duct penetrates through the end face of the main shaft and forms an oil inlet, and the other end of the hydraulic duct penetrates through the side face of the main shaft and forms an oil outlet;
When the impeller is mounted, one end of the first supporting seat is connected with one end of the impeller hub, the hydraulic driving piece is connected with the first supporting seat, one end of the sleeve is connected with the hydraulic driving piece, and the other end of the sleeve is connected with the main shaft;
When the impeller is disassembled, one end of the second supporting seat is connected with one end of the impeller hub, the hydraulic driving piece is connected with the second supporting seat, one end of the sleeve is connected with the hydraulic driving piece, the other end of the sleeve is connected with the main shaft, one end of the oil pipe mandrel is connected with the oil inlet on the main shaft, and the other end of the oil pipe mandrel is connected with the hydraulic pump.
2. The tool for assembling and disassembling a rotor of a low temperature rise steam compressor according to claim 1, wherein the hydraulic driving member is a hydraulic nut, and the hydraulic nut is connected with a hydraulic pump.
3. The assembly and disassembly tool for a low temperature rise steam compressor rotor as set forth in claim 1, wherein said first support is cylindrical.
4. The tool for assembling and disassembling the rotor of the low-temperature-rise steam compressor according to claim 1, wherein the second supporting seat comprises a first disassembling flange and a second disassembling flange, the first disassembling flange is connected with the second disassembling flange through a connecting screw, the first disassembling flange is connected with one end of the impeller hub, and the hydraulic driving piece is arranged on one side, close to the first disassembling flange, of the second disassembling flange.
5. The assembly and disassembly tool for the rotor of the low temperature rise steam compressor according to claim 4, wherein a cushion block is arranged between the hydraulic driving piece and the second disassembly flange.
6. The low temperature rise steam compressor rotor assembling and disassembling tool according to claim 1, wherein a first external thread is arranged at one end of the oil pipe mandrel connected with the oil inlet, and a first internal thread matched with the first external thread is arranged on the oil inlet.
7. The tool for assembling and disassembling the rotor of the low-temperature-rise steam compressor according to claim 1, wherein a threaded body is arranged at the end part of the main shaft, and a threaded hole used for being connected with the threaded body is formed in one end, close to the main shaft, of the sleeve.
8. The assembly and disassembly tool for the rotor of the low temperature rise steam compressor according to claim 1, wherein a counter bore is formed in the outer side of the sleeve, which is close to one end of the hydraulic driving piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422690222.2U CN223354155U (en) | 2024-11-05 | 2024-11-05 | A low-temperature steam compressor rotor assembly and disassembly tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422690222.2U CN223354155U (en) | 2024-11-05 | 2024-11-05 | A low-temperature steam compressor rotor assembly and disassembly tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223354155U true CN223354155U (en) | 2025-09-19 |
Family
ID=97042682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422690222.2U Active CN223354155U (en) | 2024-11-05 | 2024-11-05 | A low-temperature steam compressor rotor assembly and disassembly tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223354155U (en) |
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2024
- 2024-11-05 CN CN202422690222.2U patent/CN223354155U/en active Active
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