CN213381351U - Shaft locking nut dismounting tool - Google Patents
Shaft locking nut dismounting tool Download PDFInfo
- Publication number
- CN213381351U CN213381351U CN202022189737.6U CN202022189737U CN213381351U CN 213381351 U CN213381351 U CN 213381351U CN 202022189737 U CN202022189737 U CN 202022189737U CN 213381351 U CN213381351 U CN 213381351U
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- shaft
- nut
- sleeve
- bushing
- lock nut
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Abstract
The utility model provides a frock is dismantled to axle lock nut, includes the nut cover subassembly for calorie axle lock nut open slot for provide the power pole of point of application of force, be used for the connecting block of coupling nut cover subassembly and power pole, the utility model discloses simple structure, convenient to use during the use, will dismantle the frock and block axle lock nut, to the power pole application of force, force axle lock nut to spin from the rotor shaft, the utility model discloses low in manufacturing cost, the frock body can be dismantled, and removable corresponding position part after the frock damages saves the replacement cost and the maintenance cost of frock, has solved and has dismantled inconvenient, the easily injured problem of violently hard.
Description
Technical Field
The utility model relates to a tooling equipment technical field, concretely relates to be used for dismantling oilless helical-lobe compressor axle lock nut's dismantlement frock.
Background
In an oil-free screw compressor, the rotor belongs to the most critical part and determines the working performance of the compressor. A pair of mutually meshed spiral rotors are arranged in parallel in a compressor body, sealing assemblies are assembled at two ends of a rotor shaft, and shaft locking nuts are used for fixing the sealing assemblies at the two ends on the rotor shaft to realize the locking and positioning functions. When the rotor or the sealing element of the equipment needs to be overhauled, the shaft locking nut must be detached firstly. The current practice in the industry is to use a wrench to clamp a nut notch for disassembly, when the nut is tightly connected with a shaft, the required disassembly force is large and the disassembly is inconvenient, and the nut is easy to be injured when the force is too strong.
SUMMERY OF THE UTILITY MODEL
Dismantle the problem that the in-process appears to above-mentioned equipment, the utility model aims at providing a simple and reliable dismantlement frock can dismantle the axle lock nut of current specification.
In order to achieve the above object, the utility model provides a dismantle frock, its characterized in that: the nut sleeve component is used for clamping a shaft and locking a nut open slot; a force lever for providing a point of application of force; the connecting block is used for connecting the nut sleeve assembly and the force rod.
Further, the nut sleeve assembly comprises a nut sleeve, a shaft bushing and a shaft sleeve, the nut sleeve, the shaft bushing and the shaft sleeve are all of annular structures, the centers of the nut sleeve, the shaft bushing and the shaft sleeve are overlapped, and the inner diameters of the nut sleeve, the shaft bushing and the shaft sleeve are consistent.
Furthermore, the bottom end face of the nut sleeve is provided with nut clamping feet which are uniformly distributed on the circumference, the nut clamping feet are matched with an open slot of the shaft locking nut, and the top of the nut sleeve is provided with an external thread structure.
Furthermore, a groove is formed in the center of the top end face of the shaft sleeve, and an internal thread structure is arranged at the bottom of the shaft sleeve.
Furthermore, through holes are formed in the middle section of the side wall of the shaft bushing, and the through holes are distributed circumferentially.
Furthermore, one end of the shaft bushing is of an internal thread structure, the other end of the shaft bushing is of an external thread structure, the shaft bushing sleeve is arranged between the nut sleeve and the shaft sleeve, the shaft bushing sleeve is matched and connected with the nut sleeve and the shaft sleeve, and the thread turning directions of the nut sleeve, the shaft sleeve and the shaft bushing are opposite to the thread turning direction of the shaft locking nut.
Furthermore, the force rod comprises a force application rod, a screw and a nut, the force application rod is of a straight rod structure, a first through hole is formed in one end of the force application rod, the screw penetrates through the first through hole and is connected with the nut, and a first boss is arranged at the other end of the force application rod.
Furthermore, the connecting block is provided with a second through hole, the force rod is connected with the connecting block together through the second through hole, the connecting block is provided with a second boss, the second boss is a rectangular boss, and the second boss is matched with the groove.
The utility model discloses simple structure, convenient to use during the use, will dismantle the frock and block an axle lock nut, to the power pole application of force, forces an axle lock nut to spin from the rotor shaft.
The utility model discloses low in manufacturing cost can dismantle the axle lock nut of unidimensional and the epaxial different positions of rotor through changing nut cover and axle bush, and the axle bush can be got rid of to the frock when dismantling the axle lock nut of laminating rotor shaft root. The tool body can be detached, corresponding parts can be replaced after the tool is damaged, and replacement cost and maintenance cost of the tool are saved. The problems of inconvenient disassembly, over-force and easy injury are solved.
Drawings
Fig. 1 is a schematic structural view of the shaft lock nut dismounting tool of the present invention;
fig. 2 is a cross-sectional view of the nut sleeve assembly of the present invention;
fig. 3 is a schematic structural view of the nut sleeve of the present invention;
FIG. 4 is a schematic structural view of the shaft bushing of the present invention;
fig. 5 is a schematic structural view of the shaft sleeve of the present invention;
fig. 6 is a schematic structural diagram of the connecting block of the present invention;
FIG. 7 is a schematic structural view of the force application rod of the present invention;
fig. 8 is a schematic structural view of the shaft lock nut of the present invention;
fig. 9 is a schematic view of the shaft lock nut dismounting tool of the present invention dismounting the shaft lock nut;
in the figure: 1 nut sleeve component, 11 nut sleeves, 12 shaft bushings, 13 shaft sleeves, 2 force rods, 21 force application rods, 22 bolts, 23 nuts, 3 connecting blocks, 4 shaft locking nuts and 5 rotor shafts.
Detailed Description
Known by fig. 1 to 9, a frock is dismantled to axle lock nut, its characterized in that: the nut sleeve component 1 comprises an open groove 41 for clamping a shaft locking nut 4; a force rod 2 for providing a point of application; a connecting block 3 for connecting the nut bushing assembly 1 and the force rod 2.
Further, the nut sleeve assembly comprises a nut sleeve 11, a shaft bushing 12 and a shaft sleeve 13, the nut sleeve 11, the shaft bushing 12 and the shaft sleeve 13 are all of an annular structure, the shaft centers of the nut sleeve 11, the shaft bushing 12 and the shaft sleeve 13 are overlapped, and the inner diameters of the nut sleeve 11, the shaft bushing 12 and the shaft sleeve 13 are consistent.
Furthermore, the bottom end face of the nut sleeve 11 is provided with nut clamping feet 111, the nut clamping feet 111 are evenly distributed on the circumference, the nut clamping feet 111 are matched with the open groove 41 of the shaft locking nut 4, and the top of the nut sleeve 11 is provided with an external thread 112.
Further, a groove 131 is formed in the center of the top end surface of the shaft sleeve 13, and an internal thread 132 is formed at the bottom of the shaft sleeve 13.
Furthermore, through holes 121 are formed in the middle section of the side wall of the shaft bushing 12, and the through holes 121 are circumferentially distributed.
Furthermore, an external thread 122 is arranged at one end of the shaft bushing 12, an internal thread 123 is arranged at the other end of the shaft bushing, the shaft bushing 12 is arranged between the nut bushing 11 and the shaft bushing 13, the shaft bushing 12 is connected with the nut bushing 11 and the shaft bushing 13 in a matching manner, and the thread turning directions of the nut bushing 11, the shaft bushing 13 and the shaft bushing 12 are opposite to the thread 42 of the shaft locking nut 4.
Further, the force rod 2 comprises a force applying rod 21, a bolt 22 and a nut 23, the force applying rod 21 is of a straight rod structure, one end of the force applying rod 21 is provided with a first through hole 212, the bolt 22 penetrates through the first through hole 212 to be connected with the nut 23, and the other end of the force applying rod 21 is provided with a first boss 211.
Further, the connecting block 3 is provided with a second through hole 31, the force rod 2 is connected with the connecting block 3 through the second through hole 31, the connecting block 3 is provided with a second boss 32, specifically, the second boss 32 is a rectangular boss, and the second boss 32 is matched with the groove 131.
When the dismounting tool is used for dismounting a shaft locking nut 4, firstly, the size specification of the shaft locking nut 4 is determined, a nut sleeve 11 corresponding to the specification is selected, the position of the shaft locking nut 4 on a rotor shaft 5 is determined, whether the tool uses a shaft bushing 12 is determined, a through hole 121 of the shaft bushing 12 is used for assisting in dismounting parts, a nut sleeve assembly 1 is connected, a force application rod 21 is connected with a connecting block 3 through a second through hole 31 and forms a force rod 2 with a bolt 22 and a nut 23, a first boss 211 is in limit fit with the bolt 22 and two ends of the nut 23 to prevent the force application rod 21 from slipping out of the connecting block 3, a second boss 32 of the connecting block 3 is matched with a groove 131 of a shaft sleeve 13 of the nut sleeve assembly 1 to form a whole dismounting tool, a nut clamping leg 111 of the nut sleeve 11 clamps the shaft locking nut 4, and applies acting force to the force rod 2 to unscrew the shaft locking nut 4 from the.
The present invention is not limited by the above embodiments, and the embodiments and the description only describe the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention.
Claims (8)
1. The utility model provides a frock is dismantled to axle lock nut which characterized in that: comprises a nut sleeve component (1) for clamping a shaft locking nut (4) and an open slot (41); a force lever (2) for providing a point of application; the connecting block (3) is used for connecting the nut sleeve assembly (1) and the force rod (2).
2. The shaft lock nut dismounting tool according to claim 1, characterized in that: the nut sleeve assembly (1) comprises a nut sleeve (11), a shaft bushing (12) and a shaft sleeve (13), wherein the nut sleeve (11), the shaft bushing (12) and the shaft sleeve (13) are all of an annular structure, the shaft centers of the nut sleeve (11), the shaft bushing (12) and the shaft sleeve (13) are overlapped, and the inner diameters of the nut sleeve (11), the shaft bushing (12) and the shaft sleeve (13) are consistent.
3. The shaft lock nut dismounting tool according to claim 2, characterized in that: nut cover (11) bottom face be provided with nut card foot (111), nut card foot (111) circumference equipartition, nut card foot (111) and axle lock nut (4) open slot (41) cooperation, nut cover (11) top be provided with external screw thread (112).
4. The shaft lock nut dismounting tool according to claim 2, characterized in that: the center of the top end face of the shaft sleeve (13) is provided with a groove (131), and the bottom of the shaft sleeve (13) is provided with an internal thread (132).
5. The shaft lock nut dismounting tool according to claim 2, characterized in that: through holes (121) are formed in the middle section of the side wall of the shaft bushing (12), and the through holes (121) are distributed circumferentially.
6. The shaft lock nut dismounting tool according to claim 2, characterized in that: one end of the shaft bushing (12) is provided with an external thread (122), the other end of the shaft bushing is provided with an internal thread (123), the shaft bushing (12) is arranged between the nut sleeve (11) and the shaft sleeve (13), the shaft bushing (12) is matched and connected with the nut sleeve (11) and the shaft sleeve (13), and the thread turning directions of the nut sleeve (11), the shaft sleeve (13) and the shaft bushing (12) are opposite to the thread turning direction (42) of the shaft locking nut (4).
7. The shaft lock nut dismounting tool according to claim 1, characterized in that: the force applying rod (2) comprises a force applying rod (21), a bolt (22) and a nut (23), the force applying rod (21) is of a straight rod structure, a first through hole (212) is formed in one end of the force applying rod (21), the bolt (22) penetrates through the first through hole (212) to be connected with the nut (23), and a first boss (211) is arranged at the other end of the force applying rod (21).
8. The shaft lock nut dismounting tool according to claim 4, characterized in that: connecting block (3) be provided with second through-hole (31), power pole (2) pass through second through-hole (31) with connecting block (3) link to each other together, connecting block (3) be provided with second boss (32), it is specific second boss (32) are the rectangle boss, second boss (32) with recess (131) cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022189737.6U CN213381351U (en) | 2020-09-29 | 2020-09-29 | Shaft locking nut dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022189737.6U CN213381351U (en) | 2020-09-29 | 2020-09-29 | Shaft locking nut dismounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213381351U true CN213381351U (en) | 2021-06-08 |
Family
ID=76184624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022189737.6U Active CN213381351U (en) | 2020-09-29 | 2020-09-29 | Shaft locking nut dismounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213381351U (en) |
-
2020
- 2020-09-29 CN CN202022189737.6U patent/CN213381351U/en active Active
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