CN107838834B - Roller bushing installation positioning device and method - Google Patents
Roller bushing installation positioning device and method Download PDFInfo
- Publication number
- CN107838834B CN107838834B CN201711326952.2A CN201711326952A CN107838834B CN 107838834 B CN107838834 B CN 107838834B CN 201711326952 A CN201711326952 A CN 201711326952A CN 107838834 B CN107838834 B CN 107838834B
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- positioning
- roller
- roller bushing
- positioning shaft
- support
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- 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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- 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
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Automatic Assembly (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The invention discloses a roller bushing installation positioning device and a roller bushing installation positioning method, wherein the roller bushing installation positioning device comprises a support, a positioning shaft, a plurality of guide keys and a pressing block; the support is supported on a cam base circle corresponding to the camshaft of the diesel engine, the lower end of the positioning shaft is supported on the upper side of the support, one side of the positioning shaft is provided with a first guide groove which is axially penetrated, and a plurality of guide keys are axially stacked in the lower end of the first guide groove; the roller bushing is sleeved in the middle of the positioning shaft in a sliding manner, and the pressing block is sleeved at the upper end of the positioning shaft in a sliding manner and is pressed on the top of the roller bushing. The roller bushing assembly is simple and compact in structure, convenient to assemble and disassemble, capable of meeting the installation requirements of roller bushings with different specifications, and high in universality. When the roller bushing is pressed, the roller bushing can be pressed in place only by pressing the pressing block, so that the roller bushing is very convenient to operate and use, time-saving and labor-saving, and high in working efficiency. The roller bushing is free from shaking and dislocation in the press mounting process, so that the roller bushing is accurately positioned during press mounting, and the mounting precision and the position precision of the roller bushing are ensured.
Description
Technical Field
The invention relates to a diesel engine roller bushing installation tool, in particular to a diesel engine roller bushing installation tool with accurate positioning and an installation method, and belongs to the technical field of diesel engine auxiliary installation tools.
Background
The split roller bushing is an important part of the diesel engine, and the installation precision and the position precision of the split roller bushing are directly related to the running reliability and stability of the diesel engine. The roller bush is generally installed by adopting a special tool through a pressing method, the conventional diesel engine roller bush installation tool is complex in structure and complex in operation, the roller bush can be pressed in place only by consuming long time and more manpower, the working efficiency is low, and the roller bush installation precision and the position precision cannot be guaranteed.
Disclosure of Invention
The invention aims to provide a diesel engine roller bushing installation positioning device and method which are simple in structure and capable of rapidly positioning and accurately installing.
The invention is realized by the following technical scheme:
a roller bushing installation positioning device comprises a support, a positioning shaft, a plurality of guide keys and a pressing block; the support is supported on a cam base circle corresponding to the camshaft of the diesel engine, the lower end of the positioning shaft vertically penetrates through the roller mounting hole of the diesel engine and is supported on the upper side of the support, one side of the positioning shaft is provided with a first guide groove which is axially communicated, the first guide groove corresponds to a key groove to be mounted on one side of the inner wall of the roller bushing, a plurality of guide keys are axially stacked in the lower end of the first guide groove, and the bottom of the lower guide key is supported on the support; the roller bushing is sleeved in the middle of the positioning shaft in a sliding manner and is positioned on the upper side of the roller mounting hole of the diesel engine, and the pressing block is sleeved at the upper end of the positioning shaft in a sliding manner and is pressed on the top of the roller bushing.
The object of the present invention can be further achieved by the following technical means.
The roller bushing installation positioning device is characterized in that the support is of an arc-shaped structure, the middle of the support extends upwards to form a positioning boss, and the bottom of the lower guide key is supported on one side of the positioning boss.
The roller bushing installation positioning device is characterized in that a positioning groove is formed in the bottom of the positioning shaft, and the positioning boss is inserted into the positioning groove.
The roller bushing installation positioning device is characterized in that the bottom of the support is also provided with an arc positioning groove, and the camshaft of the diesel engine is inserted into the arc positioning groove corresponding to the base circle of the cam.
The roller bushing installation positioning device is characterized in that one side of the inner wall of the pressing block is provided with a second guide groove, and the second guide groove corresponds to the first guide groove in position.
A roller bushing installation positioning method comprises the following steps:
1) Supporting the support on a cam shaft of the diesel engine on a corresponding cam base circle, so that the cam base circle is inserted into an arc-shaped positioning groove at the bottom of the support;
2) The lower end of the positioning shaft vertically passes through the diesel engine roller mounting hole, so that the positioning boss on the support is inserted into the positioning groove at the bottom of the positioning shaft, and the first guide groove at one side of the positioning shaft corresponds to the position to be mounted of the key groove at one side of the inner wall of the roller bushing;
3) Sequentially stacking the two guide keys into the lower end of a first guide groove at one side of the positioning shaft;
4) Sleeving the roller bushing into the middle part of the positioning shaft from the upper end of the positioning shaft;
5) The pressing block is sleeved on the upper end of the positioning shaft and is pressed on the top of the roller bushing, and the pressing block presses the roller bushing into the roller mounting hole of the diesel engine along the two guide keys under constant working load;
6) The rest roller bushings are pressed into the corresponding roller mounting holes of the diesel engine by the same method.
The roller bushing is positioned through the positioning shaft, the roller bushing is simple and compact in structure, convenient to assemble and disassemble, low in cost, convenient to operate and use, time-saving and labor-saving, and high in working efficiency, and the roller bushing can be pressed in place only by pressing the pressing block downwards when the roller bushing is pressed. Through selecting positioning shaft, support and the guide key of different specifications, can satisfy the installation needs of different specification gyro wheel bush, the commonality is strong. In addition, the supporting seat is positioned through the corresponding cam base circle on the diesel engine camshaft, the positioning shaft is positioned through the positioning boss on the supporting seat, and meanwhile, the roller bushing is positioned in a guiding manner through a plurality of guide keys in the press mounting process.
Advantages and features of the invention will be illustrated and explained by the following non-limiting description of preferred embodiments, given by way of example only with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a cross-sectional view A-A of fig. 1.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 and 2, the present invention includes a support 1, a positioning shaft 2, two guide keys 3, and a pressing block 4. The support 1 is of an arc structure, the middle of the support 1 extends upwards to form a positioning boss 11, an arc positioning groove 12 is formed in the bottom of the support 1, the support 1 is supported on a cam base circle 5 corresponding to a diesel engine cam shaft, and the cam base circle 5 corresponding to the diesel engine cam shaft is inserted into the arc positioning groove 12 in the bottom of the support 1. The lower extreme of locating shaft 2 passes diesel engine gyro wheel mounting hole perpendicularly and supports in support 1 upside, and locating shaft 2 bottom is equipped with constant head tank 21, and the location boss 11 of support 1 upside is pegged graft in constant head tank 21, and locating shaft 2 right side is equipped with the first guide way 22 that the axial link up, and first guide way 22 waits the mounted position to correspond with gyro wheel bush 6 inner wall right side keyway 61, and two guide keys 3 axial stack is in first guide way 22 lower extreme, and downside guide key 3 bottom supports on the location boss 11 right side on support 1. The roller bushing 6 is slidably sleeved in the middle of the positioning shaft 2 and is positioned on the upper side of a diesel engine roller mounting hole, the pressing block 4 is slidably sleeved at the upper end of the positioning shaft 2 and is pressed on the top of the roller bushing 6, a second guide groove 41 is formed in one side of the inner wall of the pressing block 4, and the second guide groove 41 corresponds to the first guide groove 22 in position.
The diesel engine roller bushing installation and positioning method comprises the following steps:
1) The support 1 is supported on a cam base circle 5 corresponding to a cam shaft of the diesel engine, and the cam base circle 5 is inserted into an arc-shaped positioning groove 12 at the bottom of the support 1, so that the support 1 is positioned;
2) The lower end of the positioning shaft 2 vertically passes through a diesel engine roller mounting hole, and a positioning boss 11 on the support 1 is inserted into a positioning groove 21 at the bottom of the positioning shaft 2, so that the positioning shaft 2 is positioned, and a first guide groove 22 at the right side of the positioning shaft 2 corresponds to a position to be mounted on a key groove 61 at the right side of the inner wall of the roller bushing 6;
3) The two guide keys 3 are sequentially stacked in the lower end of a first guide groove 22 on the right side of the positioning shaft 2;
4) The roller bushing 6 is sleeved in the middle of the positioning shaft 2 from the upper end of the positioning shaft 2;
5) The pressing block 4 is sleeved on the upper end of the positioning shaft 2 and is pressed on the top of the roller bushing 6, and under constant working load, the pressing block 4 presses the roller bushing 6 into a diesel engine roller mounting hole along the two guide keys 3;
6) The remaining roller bushings 6 are pressed into the corresponding roller mounting holes of the diesel engine in the same manner.
In addition to the above embodiments, other embodiments of the present invention are possible, and all technical solutions formed by equivalent substitution or equivalent transformation are within the scope of the present invention.
Claims (3)
1. The utility model provides a gyro wheel bush installs positioner which characterized in that: comprises a support, a positioning shaft, a plurality of guide keys and a pressing block; the support is supported on a cam base circle corresponding to the diesel engine camshaft, the lower end of the positioning shaft vertically penetrates through a diesel engine roller mounting hole to be supported on the upper side of the support, one side of the positioning shaft is provided with a first guide groove which is axially penetrated, the first guide groove corresponds to a key groove on one side of the inner wall of the roller bushing, a plurality of guide keys are axially stacked in the lower end of the first guide groove, the bottom of the lower guide key is supported on the support, the support is of an arc-shaped structure, the middle part of the support extends upwards to form a positioning boss, the bottom of the lower guide key is supported on one side of the positioning boss, the bottom of the support is also provided with an arc-shaped positioning groove, and the diesel engine camshaft is inserted in the arc-shaped positioning groove corresponding to the cam base circle; the bottom of the positioning shaft is provided with a positioning groove, and the positioning boss is inserted into the positioning groove; the roller bushing is sleeved in the middle of the positioning shaft in a sliding manner and is positioned on the upper side of the roller mounting hole of the diesel engine, and the pressing block is sleeved at the upper end of the positioning shaft in a sliding manner and is pressed on the top of the roller bushing.
2. The roller bushing mounting location apparatus of claim 1 wherein: and one side of the inner wall of the pressing block is provided with a second guide groove, and the second guide groove corresponds to the first guide groove in position.
3. The roller bushing installation and positioning method is characterized by comprising the following steps of:
1) Supporting the support on a cam shaft of the diesel engine on a corresponding cam base circle, so that the cam base circle is inserted into an arc-shaped positioning groove at the bottom of the support;
2) The lower end of the positioning shaft vertically passes through the diesel engine roller mounting hole, so that the positioning boss on the support is inserted into the positioning groove at the bottom of the positioning shaft, and the first guide groove at one side of the positioning shaft corresponds to the position to be mounted of the key groove at one side of the inner wall of the roller bushing;
3) Sequentially stacking the two guide keys into the lower end of a first guide groove at one side of the positioning shaft;
4) Sleeving the roller bushing into the middle part of the positioning shaft from the upper end of the positioning shaft;
5) The pressing block is sleeved on the upper end of the positioning shaft and is pressed on the top of the roller bushing, and the pressing block presses the roller bushing into the roller mounting hole of the diesel engine along the two guide keys under constant working load;
6) The rest roller bushings are pressed into the corresponding roller mounting holes of the diesel engine by the same method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711326952.2A CN107838834B (en) | 2017-12-13 | 2017-12-13 | Roller bushing installation positioning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711326952.2A CN107838834B (en) | 2017-12-13 | 2017-12-13 | Roller bushing installation positioning device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107838834A CN107838834A (en) | 2018-03-27 |
| CN107838834B true CN107838834B (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711326952.2A Active CN107838834B (en) | 2017-12-13 | 2017-12-13 | Roller bushing installation positioning device and method |
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| Country | Link |
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| CN (1) | CN107838834B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003001530A (en) * | 2001-06-26 | 2003-01-08 | Komatsu Ltd | Jig for press-fitting bush |
| CN202174545U (en) * | 2011-06-27 | 2012-03-28 | 平高集团有限公司 | Bushing mounting tool |
| CN102950453B (en) * | 2011-08-29 | 2015-04-29 | 广西玉柴机器股份有限公司 | Camshaft bush installation tool of heavy-duty diesel engine |
| CN204339719U (en) * | 2014-12-15 | 2015-05-20 | 上海英汇科技发展有限公司 | A kind of Model For The Bush-axle Type Parts press-fitting tool and and disassembling fixture |
| CN106335024B (en) * | 2016-11-08 | 2018-01-30 | 广西玉柴机器股份有限公司 | Bushing press-mounting instrument |
| CN206373573U (en) * | 2016-12-31 | 2017-08-04 | 上海锴士自动化科技有限公司 | A kind of valve body guide sleeve and bushing press-mounting detent mechanism |
| CN207746935U (en) * | 2017-12-13 | 2018-08-21 | 中船动力有限公司 | Roller bush mounting and positioning device |
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2017
- 2017-12-13 CN CN201711326952.2A patent/CN107838834B/en active Active
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| Publication number | Publication date |
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| CN107838834A (en) | 2018-03-27 |
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