CN210623413U - Connecting device for water feed pump shaft head and oil pump shaft head - Google Patents
Connecting device for water feed pump shaft head and oil pump shaft head Download PDFInfo
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- CN210623413U CN210623413U CN201821759188.8U CN201821759188U CN210623413U CN 210623413 U CN210623413 U CN 210623413U CN 201821759188 U CN201821759188 U CN 201821759188U CN 210623413 U CN210623413 U CN 210623413U
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- shaft head
- pump shaft
- feed pump
- oil pump
- hole
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Abstract
The utility model discloses a connecting device of feed pump spindle nose and oil pump spindle nose, including connecting portion body and built-in cutting ferrule in the connecting portion body is connected one end with the oil pump spindle nose, the one end that connecting portion body and feed pump spindle nose are connected embeds there is a feed pump spindle nose connecting hole, the feed pump spindle nose inserts in the feed pump spindle nose connecting hole and through the parallel key with the pore wall of feed pump spindle nose connecting hole is connected; the oil pump shaft head is inserted into the oil pump shaft head connecting hole and connected with the clamping sleeve. The utility model discloses when the poor great and unable conventional shaft coupling of using of pump shaft external diameter size, provide a novel feed pump spindle nose oil pump connection device, accomplish the rotational speed and the moment of torsion transmission between equipment, realize the function of shaft coupling. Meanwhile, the connecting device integrates a structure for measuring the displacement of the shaft end, so that the equipment has a more compact structure, the structure is simplified, and the manufacturing cost is reduced.
Description
Technical Field
The utility model relates to a water-feeding pump that the power station was used and the technical field of being connected of oil pump, concretely relates to connecting device of water-feeding pump spindle nose and oil pump spindle nose.
Background
In order to complete the circulation of the lubricating oil of the water pump bearing during the operation of the water pump equipment for the power station, the configuration of an external oil pump is generally adopted. The external oil pump is used as an independent device and often occupies a part of the space for installing the device. Because the space design of power station is more limited, can't provide the installation space of external oil pump, can dispose integrated form spindle nose oil pump for satisfy the requirement water-feeding pump for rotary equipment such as pump provide lubricating oil. In the actual design process, the shaft power of the feed pump shaft is larger, the outer diameter of the shaft head is generally correspondingly larger, and the power of the shaft head oil pump is relatively small, so that the outer diameter of the oil pump shaft and the outer diameter of the feed pump shaft have larger size difference.
The conventional coupling cannot meet the condition of the outer diameter size difference, and a pump shaft connecting device needs to be additionally designed.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects existing in the prior art, the utility model aims to provide a connecting device of a water feeding pump shaft head and an oil pump shaft head to solve the problem that the pump shaft external diameter size is poor and great and can't use conventional shaft coupling.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a connecting device of a water feed pump shaft head and an oil pump shaft head comprises a connecting part body and a clamping sleeve which is arranged in one end, connected with the oil pump shaft head, of the connecting part body, a water feed pump shaft head connecting hole is arranged in one end, connected with the water feed pump shaft head, of the connecting part body, and the water feed pump shaft head is inserted into the water feed pump shaft head connecting hole and is connected with the hole wall of the water feed pump shaft head connecting hole through a flat key; the oil pump shaft head is inserted into the oil pump shaft head connecting hole and connected with the clamping sleeve.
In a preferred embodiment of the present invention, a ferrule connecting hole is disposed in one end of the connecting portion body connected to the oil pump shaft head, and the ferrule is disposed in the ferrule connecting hole.
The utility model discloses a preferred embodiment, be provided with the interior plane of at least transmission moment of torsion on the pore wall of cutting ferrule connecting hole be provided with the outer plane of at least transmission moment of torsion on the outer circumference of cutting ferrule, the outer plane on the outer circumference of cutting ferrule with interior plane looks adaptation and intermeshing on the cutting ferrule connecting hole pore wall play the effect of shaft coupling to transmission rotational speed and moment of torsion and compensation feed pump axle center and the dislocation of oil pump axle center and the interval difference that produces.
In a preferred embodiment of the present invention, a step-shaped bolt hole is further disposed in the connecting portion body, one end of the step-shaped bolt hole is communicated with the spindle head connecting hole of the feed pump, and the other end of the step-shaped bolt hole is communicated with the ferrule connecting hole; and a connecting bolt is inserted into the step-shaped bolt hole and is connected with the shaft head of the water feeding pump, and the bolt head of the connecting bolt is axially limited by the step surface of the step-shaped bolt hole, so that the axial dislocation of the connecting device during operation is prevented, and the operation safety is ensured.
In a preferred embodiment of the present invention, a disc structure for measuring displacement of the shaft end is disposed at a middle position of the outer circumference of the connecting portion body, and a probe for measuring a position is disposed at an end of the connecting portion body connected to the oil pump shaft head, the probe measures displacement of the shaft end of the water feed pump by measuring a displacement value of the disc structure.
The beneficial effects of the utility model reside in that:
when the pump shaft outer diameter size difference is large and a conventional coupler cannot be used, a novel water feed pump shaft head oil pump connecting device is provided, so that the transmission of the rotating speed and the torque between equipment is completed, and the function of the coupler is realized. Meanwhile, the connecting device integrates a structure for measuring the displacement of the shaft end, so that the equipment has a more compact structure, the structure is simplified, and the manufacturing cost is reduced.
Drawings
FIG. 1 is the connection schematic diagram of the connection device of the feed pump shaft head and the oil pump shaft head of the utility model, which is used for connecting the feed pump shaft head and the oil pump shaft head.
3 fig. 32 3 is 3 a 3 sectional 3 view 3 a 3- 3 a 3 of 3 fig. 32 3. 3
Detailed Description
The present invention is further illustrated by the following examples, which should not be construed as limiting the invention.
Referring to fig. 1 and 2, the connecting device for the water feeding pump shaft head and the oil pump shaft head shown in the figures comprises a connecting part body 100 and a clamping sleeve 300 which is arranged in one end 110, connected with the oil pump shaft head 200, of the connecting part body 100, a water feeding pump shaft head connecting hole 121 is arranged in one end 120, connected with a water feeding pump shaft head 400, of the connecting part body 100, and the water feeding pump shaft head 400 is inserted into the water feeding pump shaft head connecting hole 121 and is connected with the hole wall of the water feeding pump shaft head connecting hole 121 through a flat key 410.
The sleeve 300 is provided with an oil pump shaft head connecting hole 310 inside, and the inner diameter of the oil pump shaft head connecting hole 310 can be processed according to the outer diameter of the oil pump shaft head 200. The oil pump shaft head 200 is inserted into the oil pump shaft head connecting hole 310 and connected with the clamping sleeve 300 through the flat key 210.
A ferrule connection hole 111 is formed in one end 110 of the connection part body 100, which is connected to the oil pump shaft head 200, and the ferrule 300 is disposed in the ferrule connection hole 111.
Two inner planes 111a and 111b which are parallel to each other and used for transmitting torque are symmetrically arranged on the hole wall of the clamping sleeve connecting hole 111, two outer planes 320 and 330 which are parallel to each other and used for transmitting torque are symmetrically arranged on the outer circumference of the clamping sleeve 300, and the two outer planes 320 and 330 on the outer circumference of the clamping sleeve 300 are matched with the two inner planes 111a and 111b on the hole wall of the clamping sleeve connecting hole 111 and are meshed with each other to play a role of a coupler so as to transmit rotating speed and torque and compensate a distance difference generated by dislocation of the axis of the water feed pump and the axis of the oil pump.
A step-shaped bolt hole 130 is further formed in the connecting part body 100, one end of the step-shaped bolt hole 130 is communicated with the spindle head connecting hole 121 of the water feeding pump, and the other end of the step-shaped bolt hole 130 is communicated with the ferrule connecting hole 111; a connecting bolt 140 is inserted into the step-shaped bolt hole 130, the threaded end of the connecting bolt 140 is matched and screwed with the threaded hole in the water feeding pump shaft head 400 through threads, and the bolt head 141 of the connecting bolt 140 is axially limited by the step surface 131 of the step-shaped bolt hole 130, so that the connecting device is prevented from axial dislocation during operation, and the operation safety is ensured.
A disc structure 150 for measuring the displacement of the shaft end is arranged at the middle position of the outer circumference of the connecting part body 100, and a probe for measuring is arranged at one end 110 of the connecting part body 100 connected with the oil pump shaft head 200, and the probe measures the displacement of the shaft end of the water supply pump by measuring the displacement value of the disc structure 150.
Claims (5)
1. A connecting device of a water feed pump shaft head and an oil pump shaft head comprises a connecting part body and a clamping sleeve which is arranged in one end, connected with the oil pump shaft head, of the connecting part body, a water feed pump shaft head connecting hole is arranged in one end, connected with the water feed pump shaft head, of the connecting part body, and the water feed pump shaft head is inserted into the water feed pump shaft head connecting hole and is connected with the hole wall of the water feed pump shaft head connecting hole through a flat key; the oil pump shaft head is inserted into the oil pump shaft head connecting hole and connected with the clamping sleeve.
2. The connecting device of the water feed pump shaft head and the oil pump shaft head as claimed in claim 1, wherein a ferrule connecting hole is provided in one end of the connecting portion body connected to the oil pump shaft head, and the ferrule is disposed in the ferrule connecting hole.
3. The device for connecting a feed pump shaft head and an oil pump shaft head as claimed in claim 2, wherein the wall of the ferrule connecting hole is provided with at least one inner plane for transmitting torque, the outer circumference of the ferrule is provided with at least one outer plane for transmitting torque, and the outer planes on the outer circumference of the ferrule and the inner planes on the wall of the ferrule connecting hole are matched and meshed with each other to function as a coupling so as to transmit rotation speed and torque and compensate for a distance difference generated by misalignment of the feed pump shaft center and the oil pump shaft center.
4. The device for connecting the spindle nose of the feed pump and the spindle nose of the oil pump according to claim 2, wherein a step-shaped bolt hole is further formed in the connecting portion body, one end of the step-shaped bolt hole is communicated with the spindle nose connecting hole of the feed pump, and the other end of the step-shaped bolt hole is communicated with the ferrule connecting hole; and a connecting bolt is inserted into the step-shaped bolt hole and is connected with the shaft head of the water feeding pump, and the bolt head of the connecting bolt is axially limited by the step surface of the step-shaped bolt hole, so that the axial dislocation of the connecting device during operation is prevented, and the operation safety is ensured.
5. A connecting device of a feed pump shaft head and an oil pump shaft head as claimed in any one of claims 1 to 4, wherein a disc structure for measuring displacement of the shaft head is arranged at a middle position of the outer circumference of the connecting part body, and a probe for measuring the position is arranged at one end of the connecting part body connected with the oil pump shaft head, and the probe measures the displacement of the shaft head of the feed pump by measuring the displacement value of the disc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821759188.8U CN210623413U (en) | 2018-10-29 | 2018-10-29 | Connecting device for water feed pump shaft head and oil pump shaft head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821759188.8U CN210623413U (en) | 2018-10-29 | 2018-10-29 | Connecting device for water feed pump shaft head and oil pump shaft head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623413U true CN210623413U (en) | 2020-05-26 |
Family
ID=70758363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821759188.8U Active CN210623413U (en) | 2018-10-29 | 2018-10-29 | Connecting device for water feed pump shaft head and oil pump shaft head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623413U (en) |
-
2018
- 2018-10-29 CN CN201821759188.8U patent/CN210623413U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210714 Address after: 201306 building 10, No. 99 West Road, Nanhui new town, Pudong New Area, Shanghai Patentee after: POWERCHINA EQUIPMENT RESEARCH INSTITUTE Co.,Ltd. Address before: No.80-86 Hangdu Road, damaiwan Industrial Zone, hangtou Town, Pudong New Area, Shanghai, 201317 Patentee before: POWERCHINA SPEM Co.,Ltd. |
|
| TR01 | Transfer of patent right |