CN112428222A - Movable shaft nut assembling and disassembling device, assembling method and disassembling method - Google Patents
Movable shaft nut assembling and disassembling device, assembling method and disassembling method Download PDFInfo
- Publication number
- CN112428222A CN112428222A CN202011317994.1A CN202011317994A CN112428222A CN 112428222 A CN112428222 A CN 112428222A CN 202011317994 A CN202011317994 A CN 202011317994A CN 112428222 A CN112428222 A CN 112428222A
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- sleeve
- nut
- shaft
- movable
- eccentric wheel
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/143—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same for installing wire thread inserts or tubular threaded inserts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention discloses a movable shaft nut assembling and disassembling device, an assembling method and a disassembling method. The invention can simply and quickly assemble or disassemble the round nut of the input shaft section of the movable eccentric wheel component, has labor-saving and convenient operation, improves the assembly precision, lightens the labor force of workers, greatly improves the assembly efficiency and the assembly precision, and is suitable for mass production and assembly.
Description
Technical Field
The invention relates to a movable shaft nut assembling and disassembling device, an assembling method and a disassembling method, and belongs to the technical field of assembling equipment.
Background
The air compressor is an energy supply element for providing high-pressure gas, and is widely applied to industries such as petroleum smelting, aviation industry, special vehicles and the like. The structure is compact, and the requirements on the machining precision and the assembling precision are high. In order to improve the product quality of the air compressor and ensure the normal work of the air compressor, the mounting process of the air compressor needs to improve the precision, and meanwhile, in order to improve the production efficiency and save manpower and material resources, the assembly process and the device structure of the air compressor are simplified as much as possible.
In the assembling process of the air compressor, after the connecting rod eccentric wheel assembly is installed in the casing, the bearing on one side of the input shaft needs to be compressed through a stop washer and a round nut to realize axial positioning of the bearing. Because the nut needs to be assembled after the front casing and the rear casing are combined, the connecting rod eccentric wheel component can rotate freely in the casings. Therefore, in order to tighten the round nut, the movable link rod eccentric wheel assembly needs to be fixed. Meanwhile, the eccentric wheel assembly is high in machining precision, the surface of the eccentric wheel assembly needs to be protected by attention during assembly, and a proper fixing part is selected for fixing.
Disclosure of Invention
The first purpose of the invention is to provide a movable shaft nut assembling and disassembling device aiming at the technical problems in the prior art, the device can simply and quickly assemble or disassemble the round nut of the input shaft section of the movable eccentric wheel assembly, is labor-saving and convenient to operate, improves the assembling precision, reduces the labor force of workers, greatly improves the assembling efficiency and the assembling precision, and is suitable for mass production and assembly.
The second purpose of the invention is to provide a movable shaft nut assembling method.
The third purpose of the invention is to provide a method for disassembling the movable shaft nut.
The first purpose of the invention can be achieved by adopting the following technical scheme:
the utility model provides a movable shaft nut handling device, includes base, location guide pin bushing, stand, guide arm, connecting rod, sleeve and axle sleeve, location guide pin bushing and stand setting are on the base, guide arm and stand sliding connection, the sleeve cover is established in the outside of axle sleeve, the axle sleeve is in same axis with the location guide pin bushing on, the both ends of connecting rod respectively with guide arm, axle sleeve fixed connection.
Furthermore, the guide rod positioning device further comprises a positioning nut, wherein the positioning nut is installed on the stand column and is tightly pressed with the guide rod to realize the longitudinal positioning of the guide rod.
Further, the handle is arranged on the side face of the sleeve.
Furthermore, the positioning guide sleeve is in clearance fit with the base, and the upright column is connected with the base through threads.
Furthermore, the first end of the connecting rod is fixedly connected with the guide rod through a first gasket and a first nut, and the second end of the connecting rod is fixedly connected with the shaft sleeve through a second gasket and a second nut.
Furthermore, a square groove is formed in the connecting rod, a square shaft section is arranged on the shaft sleeve, and the square groove is matched with the square shaft section to limit rotation of the shaft sleeve.
Furthermore, a counter bore is formed in the base and used for fixing the base on the workbench.
Furthermore, a cross spline hole is formed in the shaft sleeve and used for fixing the movable eccentric wheel assembly.
The second purpose of the invention can be achieved by adopting the following technical scheme:
a movable shaft nut assembling method is realized based on the movable shaft nut assembling and disassembling device, and the method comprises the following steps:
placing a casing on a bottom plate, positioning through a positioning guide sleeve, wherein a movable eccentric wheel component is arranged on the casing, and a round nut is arranged on an input shaft section of the movable eccentric wheel component;
lifting the connecting rod through the guide rod, inserting the cross spline hole of the shaft sleeve into the input shaft of the movable eccentric wheel assembly, and sleeving the sleeve into the groove of the round nut;
and fixing the guide rod, and screwing the round nut through the sleeve to complete the assembly of the round nut.
The third purpose of the invention can be achieved by adopting the following technical scheme:
a movable shaft nut dismounting method is realized based on the movable shaft nut dismounting device, and comprises the following steps:
placing a casing on a bottom plate, positioning through a positioning guide sleeve, wherein a movable eccentric wheel component is arranged on the casing, and a round nut is arranged on an input shaft section of the movable eccentric wheel component;
lifting the connecting rod through the guide rod, inserting the cross spline hole of the shaft sleeve into the input shaft of the movable eccentric wheel assembly, and sleeving the sleeve into the groove of the round nut;
and fixing the guide rod, and unscrewing the round nut through the sleeve to finish the disassembly of the round nut.
Compared with the prior art, the invention has the following beneficial effects:
the connecting rod can be lifted through the guide rod, so that the shaft sleeve and the sleeve move upwards along with the connecting rod, the shaft sleeve is matched with the input shaft of the movable eccentric wheel assembly, the movable eccentric wheel assembly can be fixed quickly and conveniently, and meanwhile, the sleeve is sleeved in the groove of the round nut at the input shaft section of the movable eccentric wheel assembly, so that the assembly or disassembly of the round nut is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of a loose axle nut handling apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic top view of a base of the movable shaft nut dismounting device according to the embodiment of the present invention.
Fig. 3 is a schematic top view of a connecting rod of the movable shaft nut dismounting device according to the embodiment of the present invention.
Fig. 4 is a schematic front view of a shaft sleeve in the movable shaft nut mounting and dismounting device according to the embodiment of the present invention.
Fig. 5 is a schematic bottom view of the shaft sleeve of the movable shaft nut mounting/dismounting device according to the embodiment of the present invention.
Fig. 6 is a schematic bottom view of the sleeve of the loose-axle nut handling apparatus according to the embodiment of the present invention.
Fig. 7 is a schematic diagram of the use of the loose axle nut handling apparatus according to the embodiment of the present invention.
The bearing comprises a base 1, a counter bore 101, a locating hole 102, a threaded hole 103, a locating guide sleeve 2, a vertical column 3, a guide rod 4, a connecting rod 5, a round hole 501, a square groove 502, a sleeve 6, a boss 601, a shaft sleeve 7, a cross spline hole 701, a square shaft section 702, a threaded shaft section 703, a locating nut 8, a handle 9, a first gasket 10, a first nut 11, a second gasket 12, a second nut 13, a casing 14, a movable eccentric wheel assembly 15, a round nut 16 and a bearing 17.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1, the present embodiment provides a movable shaft nut assembling and disassembling device, the device includes a base 1, a positioning guide sleeve 2, an upright post 3, a guide rod 4, a connecting rod 5, a sleeve 6, and a shaft sleeve 7, the positioning guide sleeve 2 and the upright post 3 are disposed on the base 1, the guide rod 4 is slidably connected to the upright post 3, the sleeve 6 is sleeved on an outer side of the shaft sleeve 7, the shaft sleeve 7 and the positioning guide sleeve 2 are located on a same central axis, and two ends of the connecting rod 5 are respectively fixedly connected to the guide rod 5 and the shaft sleeve 7.
In order to fix the guide rod 4 after sliding relative to the upright post 3, the movable shaft nut assembling and disassembling device of the embodiment further comprises a positioning nut 8, and the positioning nut 8 is installed on the upright post 3 and is pressed against the guide rod 4 to realize longitudinal positioning of the guide rod 4.
In order to facilitate the sleeve 6 to screw down or unscrew the round nut on the input shaft section of the movable eccentric wheel set, the movable shaft nut assembling and disassembling device of the embodiment further comprises a handle 9, the handle 9 is installed on the side surface of the sleeve 6, and specifically, the handle 9 is installed on the side surface of the sleeve 6 in a welding manner.
Further, the positioning guide sleeve 2 is in clearance fit with the base 1, the upright column 3 is in threaded connection with the base 1, as shown in fig. 1 and fig. 2, the base 1 is provided with four counter bores 101, positioning holes 102 and threaded holes 103, preferably, the number of the counter bores 101 is four, the four counter bores 101 are used for fixing the base 1 on the workbench, the positioning holes 102 are used for realizing positioning of the base 1 and the positioning guide sleeve 2 in cooperation, and the threaded holes 103 are used for connecting the base 1 and the upright column 3 in threaded connection.
The both ends of connecting rod 5 are first end and the second end opposite with first end respectively, and the first end of this embodiment is the left end, and the second end is the right-hand member, for the both ends of making connecting rod 5 respectively with guide arm 5, axle sleeve 7 fixed connection, the left end of connecting rod 5 passes through first gasket 10 and first nut 11 and guide arm 5 fixed connection, the right-hand member of connecting rod 5 passes through second gasket 12 and second nut 13 and axle sleeve 7 fixed connection.
As shown in fig. 1 and 3, the connecting rod 5 is provided with a round hole 501 and a square groove 502, the round hole 501 is used for connecting the guide rod 4 and the connecting rod 5 through the first gasket 10 and the first nut 11, and the square groove 502 is used for connecting the bushing 7 and the connecting rod 5 through the second gasket 12 and the second nut 13.
As shown in fig. 1, 4 and 5, the shaft sleeve 7 is a cross spline shaft sleeve, a cross spline hole 701 is formed in the shaft sleeve 7, and the cross spline hole 701 is used for fixing the movable eccentric wheel assembly; the shaft sleeve 7 is further provided with a square shaft section 702 and a threaded shaft section 703, the square shaft section 702 is matched with the square groove 502 of the connecting rod 5 to limit the rotation of the shaft sleeve 7, the threaded shaft section 703 is matched with the second nut 13, the cross spline hole 701 is located at the lower end of the shaft sleeve 7, and the square shaft section 702 and the threaded shaft section 703 are sequentially arranged at the upper end of the shaft sleeve 7.
As shown in fig. 1 and 6, the sleeve 6 is a six-groove round nut sleeve, six protrusions 601 are provided on the sleeve 6, the six protrusions 601 are located at the lower end of the sleeve 6 and are matched with six grooves of a round nut, correspondingly, the round nut on the input shaft section of the movable eccentric wheel set is a six-groove round nut, and the sleeve 6 and the handle 9 together form a six-groove round nut socket wrench.
As shown in fig. 1 to 7, the working process of the movable shaft nut assembling and disassembling device of the present embodiment includes an assembling process and a disassembling process, wherein the assembling process specifically includes the following steps:
s1, correctly placing the casing 14 on the bottom plate 1, positioning through the positioning guide sleeve 2, arranging a movable eccentric wheel assembly 15 on the casing, arranging a round nut 16 on an input shaft section of the movable eccentric wheel assembly 15, and arranging a bearing 17 between the movable eccentric wheel assembly 15 and the round nut 16.
S2, loosening the positioning nut 8, lifting the connecting rod 5 through the guide rod 4, moving the shaft sleeve 7 and the sleeve 6 upwards along with the connecting rod 5 at the moment, correctly inserting the cross spline hole 701 of the shaft sleeve 7 into the input shaft of the movable eccentric wheel assembly 15, and correctly sleeving the sleeve 6 into the groove of the round nut 16;
and S3, tightening the positioning nut 8 to fix the guide rod 4, and rotating the handle 9 to enable the sleeve 6 to tighten the round nut 16 to complete the assembly of the round nut 16.
It will be understood by those skilled in the art that the disassembling process also performs the above steps S1 and S2, and then the round nut is disassembled by rotating the handle 9 reversely, so that the sleeve 6 unscrews the round nut 16.
In conclusion, the connecting rod can be lifted through the guide rod, the shaft sleeve and the sleeve can move upwards along with the connecting rod, the shaft sleeve is matched with the input shaft of the movable eccentric wheel assembly, the movable eccentric wheel assembly can be fixed quickly and conveniently, meanwhile, the sleeve is sleeved into the groove of the round nut of the input shaft section of the movable eccentric wheel assembly, the assembly or disassembly of the round nut is realized, the structure is simple, the operation is convenient and labor-saving, the labor force of workers is reduced, the assembly efficiency and the assembly precision are greatly improved, and the device is suitable for mass production and assembly.
The above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the scope of the present invention.
Claims (10)
1. The movable shaft nut assembling and disassembling device is characterized by comprising a base, a positioning guide sleeve, a stand column, a guide rod, a connecting rod, a sleeve and a shaft sleeve, wherein the positioning guide sleeve and the stand column are arranged on the base, the guide rod is in sliding connection with the stand column, the sleeve is sleeved on the outer side of the shaft sleeve, the shaft sleeve and the positioning guide sleeve are located on the same central axis, and two ends of the connecting rod are fixedly connected with the guide rod and the shaft sleeve respectively.
2. The movable shaft nut handling apparatus as recited in claim 1, further comprising a positioning nut mounted on the post and pressed against the guide rod to effect longitudinal positioning of the guide rod.
3. The movable shaft nut handling apparatus as recited in claim 1, further comprising a handle mounted to a side of the sleeve.
4. The loose-axle nut handling apparatus as claimed in any one of claims 1-3, wherein the locating guide sleeves are in clearance fit with the base, and the posts are threadedly connected to the base.
5. The loose-axle nut handling apparatus of any of claims 1-3, wherein the first end of the connecting rod is fixedly coupled to the guide bar by a first washer and a first nut, and the second end of the connecting rod is fixedly coupled to the sleeve by a second washer and a second nut.
6. The removable spindle nut handling apparatus as in any one of claims 1-3 wherein the tie bar has a square slot and the sleeve has a square shaft section, the square slot engaging the square shaft section to limit rotation of the sleeve.
7. The loose-axle nut handling apparatus of any of claims 1-3, wherein the base has a counter bore for securing the base to a work bench.
8. The movable shaft nut handling apparatus as claimed in any one of claims 1-3, wherein said sleeve has a cross-spline hole for fixing the movable eccentric wheel assembly.
9. A movable shaft nut assembling method is realized on the basis of the movable shaft nut assembling and disassembling device of any one of claims 1 to 8, and is characterized by comprising the following steps:
placing a casing on a bottom plate, positioning through a positioning guide sleeve, wherein a movable eccentric wheel component is arranged on the casing, and a round nut is arranged on an input shaft section of the movable eccentric wheel component;
lifting the connecting rod through the guide rod, inserting the cross spline hole of the shaft sleeve into the input shaft of the movable eccentric wheel assembly, and sleeving the sleeve into the groove of the round nut;
and fixing the guide rod, and screwing the round nut through the sleeve to complete the assembly of the round nut.
10. A loose axle nut dismounting method which is realized based on the loose axle nut handling device of any one of claims 1-8, characterized in that the method comprises the following steps:
placing a casing on a bottom plate, positioning through a positioning guide sleeve, wherein a movable eccentric wheel component is arranged on the casing, and a round nut is arranged on an input shaft section of the movable eccentric wheel component;
lifting the connecting rod through the guide rod, inserting the cross spline hole of the shaft sleeve into the input shaft of the movable eccentric wheel assembly, and sleeving the sleeve into the groove of the round nut;
and fixing the guide rod, and unscrewing the round nut through the sleeve to finish the disassembly of the round nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011317994.1A CN112428222A (en) | 2020-11-23 | 2020-11-23 | Movable shaft nut assembling and disassembling device, assembling method and disassembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011317994.1A CN112428222A (en) | 2020-11-23 | 2020-11-23 | Movable shaft nut assembling and disassembling device, assembling method and disassembling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112428222A true CN112428222A (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011317994.1A Pending CN112428222A (en) | 2020-11-23 | 2020-11-23 | Movable shaft nut assembling and disassembling device, assembling method and disassembling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112428222A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478437A (en) * | 2021-06-30 | 2021-10-08 | 机械工业第九设计研究院有限公司 | Flexible tightening rod component |
| CN114156066A (en) * | 2021-12-02 | 2022-03-08 | 江苏金诺电气科技有限公司 | Transformer bushing capable of dissipating heat quickly |
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| CN201267981Y (en) * | 2008-09-18 | 2009-07-08 | 宝山钢铁股份有限公司 | Dismounting tool for circular nut |
| CN102717366A (en) * | 2012-06-15 | 2012-10-10 | 平高集团有限公司 | Auxiliary tool for assembling bolts |
| CN103846669A (en) * | 2012-12-07 | 2014-06-11 | 哈尔滨恒誉名翔科技有限公司 | Device for tightening and assembling circular nut on output shaft of planetary gearbox and testing torque |
| CN103878743A (en) * | 2014-03-26 | 2014-06-25 | 哈尔滨东安发动机（集团）有限公司 | Assembling and disassembling tool for gear shaft round nut |
| CN205129753U (en) * | 2015-12-04 | 2016-04-06 | 莱芜钢铁集团有限公司 | Assembly and disassembly tools of round nut |
| CN106514556A (en) * | 2016-12-27 | 2017-03-22 | 郑州吉音动漫科技有限公司 | Movable nut mounting and dismounting device used for automobile repair |
| CN210099437U (en) * | 2019-06-12 | 2020-02-21 | 江苏罡阳转向系统有限公司 | Round nut locking device for automobile electric circulating ball steering gear |
| CN210898866U (en) * | 2019-12-10 | 2020-06-30 | 合普动力股份有限公司 | Locking device for rotor round nut of permanent magnet motor |
| CN211490342U (en) * | 2019-10-28 | 2020-09-15 | 万向钱潮传动轴有限公司 | Auxiliary tool for press mounting of flange yoke and universal joint |
| CN214238008U (en) * | 2020-11-23 | 2021-09-21 | 华南理工大学 | Movable shaft nut assembling and disassembling device |
-
2020
- 2020-11-23 CN CN202011317994.1A patent/CN112428222A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627026U (en) * | 1992-09-08 | 1994-04-12 | 住友金属工業株式会社 | Tightening device for grooved round nuts |
| CN201267981Y (en) * | 2008-09-18 | 2009-07-08 | 宝山钢铁股份有限公司 | Dismounting tool for circular nut |
| CN102717366A (en) * | 2012-06-15 | 2012-10-10 | 平高集团有限公司 | Auxiliary tool for assembling bolts |
| CN103846669A (en) * | 2012-12-07 | 2014-06-11 | 哈尔滨恒誉名翔科技有限公司 | Device for tightening and assembling circular nut on output shaft of planetary gearbox and testing torque |
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| CN210099437U (en) * | 2019-06-12 | 2020-02-21 | 江苏罡阳转向系统有限公司 | Round nut locking device for automobile electric circulating ball steering gear |
| CN211490342U (en) * | 2019-10-28 | 2020-09-15 | 万向钱潮传动轴有限公司 | Auxiliary tool for press mounting of flange yoke and universal joint |
| CN210898866U (en) * | 2019-12-10 | 2020-06-30 | 合普动力股份有限公司 | Locking device for rotor round nut of permanent magnet motor |
| CN214238008U (en) * | 2020-11-23 | 2021-09-21 | 华南理工大学 | Movable shaft nut assembling and disassembling device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478437A (en) * | 2021-06-30 | 2021-10-08 | 机械工业第九设计研究院有限公司 | Flexible tightening rod component |
| CN114156066A (en) * | 2021-12-02 | 2022-03-08 | 江苏金诺电气科技有限公司 | Transformer bushing capable of dissipating heat quickly |
| CN114156066B (en) * | 2021-12-02 | 2024-02-02 | 江苏金诺电气科技有限公司 | Transformer bushing capable of rapidly radiating |
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