CN115635442A - Auxiliary tool for disassembling and assembling expansion coupling sleeve screw - Google Patents
Auxiliary tool for disassembling and assembling expansion coupling sleeve screw Download PDFInfo
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- CN115635442A CN115635442A CN202211330764.8A CN202211330764A CN115635442A CN 115635442 A CN115635442 A CN 115635442A CN 202211330764 A CN202211330764 A CN 202211330764A CN 115635442 A CN115635442 A CN 115635442A
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- mounting
- auxiliary
- coupling sleeve
- expansion
- auxiliary tool
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Abstract
The invention relates to the technical field of expansion coupling sleeves, in particular to an auxiliary tool for disassembling and assembling expansion coupling sleeve screws. The special inner hexagonal wrench is limited by the positioning support hole, so that the inner hexagonal hole in the expansion coupling sleeve bolt can be conveniently positioned, the operation time is saved, and the working efficiency is improved. The invention can actively align the coaxiality of the inner hexagonal wrench and the expansion connecting sleeve bolt, ensure that the inner hexagonal wrench cannot incline or withdraw from the bolt hole due to overlarge torque when the expansion connecting sleeve bolt is disassembled and assembled, and reduce the safety risk. The auxiliary tool for disassembling and assembling the expansion connecting sleeve bolt can finish operation alone and reduce labor cost.
Description
Technical Field
The invention relates to the technical field of expansion coupling sleeves, in particular to an auxiliary tool for disassembling and assembling screws of the expansion coupling sleeve.
Background
The expansion coupling sleeve (also called expansion sleeve) is a key-free connection device between a shaft and a shaft sleeve, and the principle is that under the action of high-strength bolt tension, huge holding force is generated between an inner ring and the shaft and between an outer ring and a hub, so that keyless coupling is realized. When the tightening bolt bears load, the combined pressure of the expansion sleeve and the machine member and the shaft and the accompanying friction force are used to transmit torque and axial force or the composite load of the torque and the axial force. When the bolt is unscrewed to unload the load, the matching surface is automatically loosened, and the shaft sleeve and the conical ring automatically return to the original size.
The cover connection that expands can establish ties the use by a plurality of cover that expand according to the installation load size, because the limitation in clearance between axle and the axle sleeve, we need use elongated special allen key to the inside second, the third and the fourth cover that expands to be under construction when the dismouting expands the set bolt, consequently must ensure the interior hexagonal hole that the allen key normally inserted on the nut, satisfies simultaneously and keeps parallel not slope relatively with the gear shaft when using the operation of allen key.
Disclosure of Invention
The invention aims to provide an auxiliary tool for disassembling and assembling an expansion coupling sleeve screw, so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an auxiliary fixtures of tight coupling sleeve screw dismouting expands, includes the auxiliary ring, evenly set up the same location supported hole of a plurality of on the auxiliary ring, the lateral wall department fixed mounting of auxiliary ring has the same fixed subassembly of a plurality of, fixed subassembly includes the fixed block, fixed block fixed mounting is at the lateral wall of auxiliary ring, one side fixed mounting of fixed block has the installation piece, the mounting hole has been seted up on the installation piece, the nut is installed to the fixed fit in the mounting hole, the inside threaded mounting of nut has fastening bolt.
Preferably, the plurality of positioning support holes are annularly distributed on the auxiliary ring, and the circle center formed by the plurality of positioning support holes is overlapped with the circle center of the auxiliary ring.
Preferably, the mounting block and the fixing block are perpendicular to each other.
Preferably, the central axis of the fastening bolt faces the center of the auxiliary ring.
Preferably, the fastening bolt has a length such that a tip end of the fastening bolt is positioned inside the auxiliary ring when the fastening bolt is completely mounted to the nut.
Preferably, the thickness of the auxiliary ring is the same as that of the fixing member.
Preferably, a plurality of the fixing assemblies are symmetrically arranged according to the circle center of the auxiliary ring.
A use method of an auxiliary tool for disassembling and assembling an expansion coupling sleeve screw comprises the following steps:
selecting an auxiliary tool, and selecting the auxiliary tool with a proper size according to the type of the expansion coupling sleeve and the diameter of the gear shaft;
secondly, mounting, namely sleeving the auxiliary ring on the gear shaft, then adjusting the positions of the positioning support hole and the expansion sleeve bolt to enable the positioning support hole to be opposite to the expansion sleeve bolt, then fastening the bolts to enable a plurality of fastening bolts to be abutted against the gear shaft, and finally fixing the auxiliary ring through a plurality of fastening bolts;
and thirdly, mounting/dismounting, namely penetrating the hexagonal wrench through the positioning support hole and aligning the hexagonal wrench with the expansion sleeve bolt, and supporting and positioning the hexagonal wrench by using the hexagonal wrench through the support of the positioning support hole so as to prevent inclination.
Compared with the prior art, the invention has the beneficial effects that:
the special inner hexagonal wrench is limited by the positioning support hole, so that the inner hexagonal hole in the expansion coupling sleeve bolt can be conveniently positioned, the operation time is saved, and the working efficiency is improved.
The invention can actively align the coaxiality of the inner hexagonal wrench and the expansion connecting sleeve bolt, ensure that the inner hexagonal wrench cannot incline or withdraw from the bolt hole due to overlarge torque when the expansion connecting sleeve bolt is disassembled and assembled, and reduce the safety risk.
The auxiliary tool for disassembling and assembling the expansion connecting sleeve bolt can be used for independently completing the operation by one person, and the labor cost is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the securing assembly of the present invention;
FIG. 3 is an assembly effect diagram of the present invention;
FIG. 4 is a flow chart of the method of the present invention.
In the figure: 1. an auxiliary ring; 2. positioning the support hole; 3. a fixing assembly; 301. a fixed block; 302. mounting blocks; 303. mounting holes; 304. a nut; 305. fastening a bolt; 4. a gear shaft; 5. local expansion sleeve; 6. and (4) expanding the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an auxiliary fixtures of tight coupling sleeve screw dismouting expands, including auxiliary ring 1, evenly set up the same positioning support hole of a plurality of 2 on the auxiliary ring 1, the lateral wall department fixed mounting of auxiliary ring 1 has the same fixed subassembly 3 of a plurality of, fixed subassembly 3 includes fixed block 301, fixed block 301 fixed mounting is at the lateral wall of auxiliary ring 1, one side fixed mounting of fixed block 301 has installation piece 302, mounting hole 303 has been seted up on the installation piece 302, nut 304 is installed to fixed cooperation in the mounting hole 303, fastening bolt 305 is installed to the inside screw thread of nut 304.
In this embodiment, the plurality of positioning support holes 2 are annularly distributed on the auxiliary ring 1, and the circle center formed by the plurality of positioning support holes 2 coincides with the circle center of the auxiliary ring 1.
In this embodiment, the mounting block 302 and the fixing block 301 are perpendicular to each other.
In this embodiment, the central axis of the fastening bolt 305 faces the center of the auxiliary ring 1.
In this embodiment, the length of the fastening bolt 305 is required to be such that the tip of the fastening bolt 305 is located inside the auxiliary ring 1 when the fastening bolt 305 is completely mounted to the nut 304.
In this embodiment, the thickness of the auxiliary ring 1 is the same as that of the fixing member 3.
In this embodiment, the plurality of fixing members 3 are symmetrically disposed according to the center of the auxiliary ring 1.
A use method of an auxiliary tool for disassembling and assembling an expansion coupling sleeve screw comprises the following steps:
firstly, selecting an auxiliary tool, and selecting an auxiliary tool with a proper size according to the type of the expansion coupling sleeve and the diameter of the gear shaft 4;
when selecting auxiliary fixtures, the internal diameter of auxiliary ring 1 needs to be matched with the diameter of gear shaft 4, and the quantity of positioning support holes 2 needs to be consistent with the quantity of expansion sleeve bolts 6.
Secondly, mounting, namely sleeving the auxiliary ring 1 on the gear shaft 4, then adjusting the positions of the positioning support hole 2 and the expansion sleeve bolt 6 to enable the positioning support hole 2 to be over against the expansion sleeve bolt 6, then fastening the bolts 305 to enable the fastening bolts 305 to butt against the gear shaft 4, and finally fixing the auxiliary ring 1 through the fastening bolts 305;
and thirdly, mounting/dismounting, namely penetrating a hexagonal wrench through the positioning support hole 2 and aligning the hexagonal wrench with the expansion sleeve bolt 6, and supporting and positioning the hexagonal wrench by using the hexagonal wrench through the positioning support hole 2 so as to prevent inclination.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and the above-described embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an auxiliary fixtures of tight coupling sleeve screw dismouting expands which characterized in that: including supplementary ring (1), evenly set up the same positioning support hole of a plurality of (2) on supplementary ring (1), the lateral wall department fixed mounting of supplementary ring (1) has the same fixed subassembly of a plurality of (3), fixed subassembly (3) include fixed block (301), fixed block (301) fixed mounting is at the lateral wall of supplementary ring (1), one side fixed mounting of fixed block (301) has installation piece (302), mounting hole (303) have been seted up on installation piece (302), nut (304) are installed to mounting hole (303) internal fixation cooperation, fastening bolt (305) are installed to nut (304) internal thread.
2. The auxiliary tool for dismounting and mounting the expansion coupling sleeve screw of claim 1, which is characterized in that: the positioning support holes (2) are annularly distributed on the auxiliary ring (1), and the circle center formed by the positioning support holes (2) is coincided with the circle center of the auxiliary ring (1).
3. The auxiliary tool for dismounting and mounting the expansion coupling sleeve screw of claim 1, which is characterized in that: the mounting block (302) and the fixing block (301) are perpendicular to each other.
4. The auxiliary tool for dismounting and mounting the expansion coupling sleeve screw of claim 1, which is characterized in that: the central axis of the fastening bolt (305) faces the position of the center of the auxiliary ring (1).
5. The auxiliary tool for dismounting and mounting the expansion coupling sleeve screw of claim 1, which is characterized in that: the length of the fastening bolt (305) is such that the tip of the fastening bolt (305) is located inside the auxiliary ring (1) when the fastening bolt (305) is fully mounted to the nut (304).
6. The auxiliary tool for dismounting and mounting the expansion coupling sleeve screw of claim 1, which is characterized in that: the thickness of the auxiliary ring (1) is the same as that of the fixing component (3).
7. The auxiliary tool for dismounting and mounting the expansion coupling sleeve screw of claim 1, which is characterized in that: the plurality of fixing assemblies (3) are symmetrically arranged according to the circle center of the auxiliary ring (1).
8. The use method of the auxiliary tool for dismounting the expansion coupling sleeve screw as claimed in any one of claims 1 to 7 is characterized in that: the using method comprises the following steps:
firstly, selecting an auxiliary tool, and selecting the auxiliary tool with a proper size according to the type of the expansion coupling sleeve and the diameter of the gear shaft (4);
secondly, assembling, namely sleeving the auxiliary ring (1) on the gear shaft (4), then adjusting the positions of the positioning support hole (2) and the expansion sleeve bolt (6) to enable the positioning support hole (2) to be opposite to the expansion sleeve bolt (6), then fastening the bolts (305), enabling the fastening bolts (305) to butt against the gear shaft (4), and finally fixing the auxiliary ring (1) through the fastening bolts (305);
and thirdly, mounting/dismounting, namely penetrating the hexagonal wrench through the positioning support hole (2) and aligning the expansion sleeve bolt (6), and supporting and positioning the hexagonal wrench by using the hexagonal wrench through the support of the positioning support hole (2) so as to prevent inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211330764.8A CN115635442A (en) | 2022-10-26 | 2022-10-26 | Auxiliary tool for disassembling and assembling expansion coupling sleeve screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211330764.8A CN115635442A (en) | 2022-10-26 | 2022-10-26 | Auxiliary tool for disassembling and assembling expansion coupling sleeve screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115635442A true CN115635442A (en) | 2023-01-24 |
Family
ID=84946009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211330764.8A Pending CN115635442A (en) | 2022-10-26 | 2022-10-26 | Auxiliary tool for disassembling and assembling expansion coupling sleeve screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115635442A (en) |
-
2022
- 2022-10-26 CN CN202211330764.8A patent/CN115635442A/en active Pending
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