CN209761866U - Assembling and disassembling tool for shaft sleeve of water feed pump - Google Patents
Assembling and disassembling tool for shaft sleeve of water feed pump Download PDFInfo
- Publication number
- CN209761866U CN209761866U CN201920176114.XU CN201920176114U CN209761866U CN 209761866 U CN209761866 U CN 209761866U CN 201920176114 U CN201920176114 U CN 201920176114U CN 209761866 U CN209761866 U CN 209761866U
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- China
- Prior art keywords
- snap ring
- sleeve
- ring
- shaft sleeve
- feed pump
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Abstract
The utility model relates to an assembly and disassembly tools of feed pump axle sleeve, including snap ring (2) that are used for blocking the axle sleeve to and the cover is established at snap ring cover (1) of snap ring (2) outside, snap ring (2) comprise two parts semicircle ring, connect fixed snap ring (2) of formation through connecting fixed key (3) with two parts semicircle ring, the outer lane surface of snap ring (2) is taken out the ladder shape that the direction is the external diameter increase along axle sleeve (7), snap ring cover (1) inner circle is the echelonment, and its internal diameter changes and snap ring (2) external diameter change phase-match. Compared with the prior art, the utility model has the advantages of being simple in structure and convenient in operation, can not produce the condition that is difficult to the application of force and the danger of unhook, whole process application of force is firm, has both protected axle sleeve and main shaft not hindered, has guaranteed operating personnel's assembly safety again.
Description
Technical Field
The utility model relates to an assembly and disassembly tools especially relates to an assembly and disassembly tools of feed pump axle sleeve.
background
At present, a gap between a main shaft and a sealing shaft sleeve at a transmission end and a free end in a 1000MW thermal power unit feed pump is generally 0.015-0.04 mm, the length of the shaft sleeve is about 200-400 mm, but the exposed part of the shaft sleeve is only about 20-40 mm relative to the sealing bush and is relatively short, and a clamping ring groove is generally processed at the exposed part of the shaft sleeve so as to be hooked out by a hook claw when the shaft sleeve is detached. Although the method is cost-saving and convenient to operate, in the process of pulling out the shaft sleeve hook by using the hook claw, the force application angle is difficult, the hook is easy to be unhooked, and the hooking scratch is caused to the shaft sleeve and the main shaft.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an assembly and disassembly tool for a water supply pump shaft sleeve in order to overcome the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
The utility model provides an assembly and disassembly tools of feed pump axle sleeve, is including the snap ring that is used for blocking the axle sleeve to and the cover is established at the outside snap ring cover of snap ring, the snap ring comprises two parts semicircle ring, connects fixed formation snap ring with two parts semicircle ring through connecting the fixed key, the outer lane surface of snap ring is the ladder shape of external diameter increase along axle sleeve taking out direction, snap ring cover inner circle is the echelonment, and its internal diameter changes and snap ring external diameter changes the phase-match.
Furthermore, the clamping ring sleeve is composed of two detachable semi-circular ring sleeves.
Furthermore, one part of the clamping ring sleeve is provided with a pin hole and a through hole, the other part of the clamping ring sleeve is correspondingly provided with a pin hole and a threaded hole, a cylindrical pin is inserted into the pin hole of the two half-ring sleeves of the clamping ring sleeve for positioning, and a screw of the clamping ring sleeve is inserted into the through hole and the threaded hole to fasten the two half-ring sleeves of the clamping ring sleeve together.
Furthermore, the snap ring inboard be provided with the axle sleeve on the card annular assorted arch to guarantee that the snap ring can fix and can not the slippage on the axle sleeve.
Furthermore, the connection part of the semicircular rings of the two parts of the clamping ring is respectively provided with a threaded hole, the connection fixing key is correspondingly provided with two through holes, and the two semicircular rings of the clamping ring are fastened together through a clamping ring screw.
Furthermore, a jacking hole is arranged between the two through holes.
Furthermore, four threaded through holes are uniformly distributed on the clamping ring sleeve and are used as jacking holes.
Furthermore, the snap ring and the snap ring sleeve need to be blackened before use.
When the clamping ring sleeve is used, the clamping ring sleeve is sleeved into the sealing shaft sleeve firstly, then the two half-clamping ring whole inner hole bosses are uniformly embedded into the clamping ring grooves of the shaft sleeve, the two half-clamping rings are fastened into a combined clamping ring by using the connecting and fixing keys, at the moment, the outer ring steps of the clamping ring are matched with the inner ring steps of the clamping ring sleeve, force is applied to the outer clamping ring sleeve to pull out the shaft sleeve or 4 jacking screws are adopted to match with the thread through holes to push out the shaft sleeve, the force application in the whole process is stable, the shaft sleeve and a main shaft are protected from being damaged, and the assembly safety of operators.
Compared with the prior art, the utility model has the advantages of being simple in structure and convenient in operation, the adoption increases the mode of snap ring and snap ring cover, and the snap ring passes through the snap ring groove on the axle sleeve and fixes, and snap ring cover pass through the echelonment phase-match, through to the snap ring cover application of force, can not produce the condition that is difficult to the application of force and the danger of unhook, and whole process application of force is firm, has both protected axle sleeve and main shaft not hindered, has guaranteed operating personnel's assembly safety again.
Drawings
FIG. 1 is a side view of a tool for assembling and disassembling a shaft sleeve of a water feed pump according to the present invention;
FIG. 2 is a front view of a tool for assembling and disassembling a shaft sleeve of a water feed pump according to the present invention;
Fig. 3 is a schematic view of the seal bushing assembly and disassembly according to the present invention.
The reference numbers in the figures indicate:
1. the clamp ring sleeve comprises a clamp ring sleeve body 2, a clamp ring 3, a connecting and fixing key 4, a clamp ring screw 5, a cylindrical pin 6, a clamp ring sleeve screw 7 and a shaft sleeve.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
a water feed pump shaft sleeve dismounting tool is shown in figures 1-2 and comprises a clamping ring 2 used for clamping a shaft sleeve and a clamping ring sleeve 1 sleeved outside the clamping ring 2, wherein the clamping ring 2 is composed of two semicircular rings, the two semicircular rings are fixedly connected through a connecting and fixing key 3 to form the clamping ring 2, the outer ring surface of the clamping ring 2 is in a step shape with the outer diameter increased along the direction of taking out a shaft sleeve 7, the inner ring of the clamping ring sleeve 1 is in a step shape, and the change of the inner diameter of the clamping ring sleeve is matched with the change of the outer diameter of the clamping ring 2.
The snap ring sleeve 1 is composed of two detachable semi-circular ring sleeves. One part of the snap ring sleeve 1 is provided with a pin hole and a through hole, the other part of the snap ring sleeve 1 is correspondingly provided with a pin hole and a threaded hole, a cylindrical pin 5 is inserted into the pin hole of the two half-ring sleeves of the snap ring sleeve 1 for positioning, and a screw 6 of the snap ring sleeve is inserted into the through hole and the threaded hole to fasten the two half-ring sleeves of the snap ring sleeve 1 together.
The inner side of the snap ring 2 is provided with a bulge matched with the snap ring groove on the shaft sleeve 7, thereby ensuring that the snap ring can be fixed on the shaft sleeve and cannot slip off. The connection of the semicircular rings of the two parts of the snap ring 2 is respectively provided with a threaded hole, the connection fixing key 3 is correspondingly provided with two through holes, and the two semicircular rings of the snap ring 2 are fastened together through a snap ring screw 4. A jacking hole is also arranged between the two through holes. Four threaded through holes are uniformly distributed on the clamping ring sleeve 1 and are used as jacking holes. The clamp ring 2 and the clamp ring sleeve 1 need to be blackened before use.
referring to fig. 3, the working schematic diagram is shown, the structure is simple, the operation is convenient, compared with a common claw, the unhooking danger and the situation of difficult force application can not be generated, when the hook is used, the clamping ring sleeve 1 is firstly sleeved into the sealing shaft sleeve 7, then the whole inner hole boss of the two halved clamping rings 2 is uniformly embedded into the clamping ring groove of the shaft sleeve 7, the two halved clamping rings 2 are fastened into the combined clamping ring 2 by the connecting and fixing key 3, at the moment, the outer ring step of the clamping ring 2 is matched with the inner ring step of the clamping ring sleeve 1, force is applied to the outer clamping ring sleeve 1 to pull out the shaft sleeve 7 or the shaft sleeve 7 is ejected by four jack screws matched with thread through holes, the force application is stable in the whole process, the shaft sleeve 7 and a main shaft are protected from being damaged.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (7)
1. The utility model provides an assembly and disassembly tools of feed pump axle sleeve, its characterized in that, including snap ring (2) that are used for blocking the axle sleeve to and the cover is established at outside snap ring cover (1) of snap ring (2), snap ring (2) comprise two parts semicircle ring, connect fixed formation snap ring (2) with two parts semicircle ring through connecting fixed key (3), the outer lane surface of snap ring (2) is the ladder shape that the external diameter increases along axle sleeve (7) direction of taking out, snap ring cover (1) inner circle is the echelonment, and its internal diameter changes and snap ring (2) external diameter and changes the phase-match.
2. A tool for dismounting a shaft sleeve of a water feeding pump according to claim 1, characterized in that the snap ring sleeve (1) is composed of a two-part semi-circular sleeve which can be disassembled.
3. A tool for dismounting a shaft sleeve of a feed pump according to claim 2, characterized in that one part of the snap ring sleeve (1) is provided with a pin hole and a through hole, the other part is correspondingly provided with a pin hole and a threaded hole, a cylindrical pin (5) is inserted into the pin hole of the two half-ring sleeves of the snap ring sleeve (1) for positioning, and the two half-ring sleeves of the snap ring sleeve (1) are fastened together by inserting a snap ring sleeve screw (6) into the through hole and the threaded hole.
4. The tool for disassembling and assembling the shaft sleeve of the water feed pump is characterized in that the inner side of the snap ring (2) is provided with a bulge matched with the snap ring groove on the shaft sleeve (7).
5. The tool for disassembling and assembling the shaft sleeve of the water feed pump is characterized in that a threaded hole is formed in the joint of the semicircular rings of the two parts of the clamping ring (2), two through holes are correspondingly formed in the connecting and fixing key (3), and the semicircular rings of the two parts of the clamping ring (2) are fastened together through a clamping ring screw (4).
6. The tool for disassembling and assembling the shaft sleeve of the water feed pump according to claim 5, wherein a jacking hole is further formed between the two through holes.
7. The tool for disassembling and assembling the shaft sleeve of the water feed pump is characterized in that four threaded through holes are uniformly distributed on the clamping ring sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176114.XU CN209761866U (en) | 2019-01-31 | 2019-01-31 | Assembling and disassembling tool for shaft sleeve of water feed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176114.XU CN209761866U (en) | 2019-01-31 | 2019-01-31 | Assembling and disassembling tool for shaft sleeve of water feed pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761866U true CN209761866U (en) | 2019-12-10 |
Family
ID=68751219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920176114.XU Active CN209761866U (en) | 2019-01-31 | 2019-01-31 | Assembling and disassembling tool for shaft sleeve of water feed pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761866U (en) |
-
2019
- 2019-01-31 CN CN201920176114.XU patent/CN209761866U/en active Active
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