CN111409036B - Simple tool for pressing bearing bush - Google Patents
Simple tool for pressing bearing bush Download PDFInfo
- Publication number
- CN111409036B CN111409036B CN202010318742.4A CN202010318742A CN111409036B CN 111409036 B CN111409036 B CN 111409036B CN 202010318742 A CN202010318742 A CN 202010318742A CN 111409036 B CN111409036 B CN 111409036B
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- China
- Prior art keywords
- bearing bush
- movable
- block
- pressing
- bearing
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- 238000001125 extrusion Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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
- B25B27/02—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)
- Automatic Assembly (AREA)
Abstract
The invention discloses a simple tool for pressing a bearing bush, which comprises a tool body, wherein the tool body comprises a top plate, a left supporting arm, a right supporting arm and a bearing bush movable pressing block, and the top plate is connected to the upper parts of the left supporting arm and the right supporting arm; slide ways are longitudinally arranged on the left support arm and the right support arm respectively, and two sides of the movable pressing block of the bearing bush are slidably distributed on the slide ways; the upper part of the movable pressing block of the bearing bush is provided with a pressing rod, and the pressing rod penetrates out of the top plate to be distributed; the lower extreme of axle bush movable briquetting is equipped with the curved surface that matches the axle bush, just the one end of curved surface still is equipped with the bellied tight location draw-in groove of screwing up of location on the matching axle bush. The invention has the advantages of simple operation, high installation accuracy and the like.
Description
Technical Field
The invention relates to the technical field of engine assembly, in particular to a simple tool for a bearing bush.
Background
In the process of assembling the engine, all needed parts are organically combined and assembled, and certain technological requirements are met. The bearing bush is used as one of important internal parts of the engine and is arranged on a main bearing seat of the crankshaft and the cylinder body. The poor press-fitting of the bearing bush will have fatal damage to the engine, and the bearing bush is difficult to rework as an inner part, so that the press-fitting is required to be reliable and efficient. However, at present, when the bearing bush is pressed, the bearing bush is generally knocked by bare hands, because the bearing bush is U-shaped and somewhat thinner, the bearing bush has certain elasticity, the operation requirement for knocking and installing is high, and the operator is required to be technically mature, otherwise, front and rear side out-of-position during bearing bush installing easily occurs, or the bearing bush is folded, damaged and the like due to improper knocking, so that the performance of the engine is influenced.
The foregoing background is only for the purpose of facilitating an understanding of the principles and concepts of the application and is not necessarily in the prior art to the present application and is not intended to be used as an admission that such background is not entitled to antedate such novelty and creativity by virtue of prior application or that it is already disclosed at the date of filing of this application.
Disclosure of Invention
Aiming at the technical problems, the invention provides a simple tool for a bearing bush, which is simple and convenient to operate and high in installation accuracy.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The simple tool for pressing the bearing bush comprises a tool body, wherein the tool body comprises a top plate, a left supporting arm, a right supporting arm and a bearing bush movable pressing block, and the top plate is connected to the upper parts of the left supporting arm and the right supporting arm; slide ways are longitudinally arranged on the left support arm and the right support arm respectively, and two sides of the movable pressing block of the bearing bush are slidably distributed on the slide ways; the upper part of the movable pressing block of the bearing bush is provided with a pressing rod, and the pressing rod penetrates out of the top plate to be distributed; the lower extreme of axle bush movable briquetting is equipped with the curved surface that matches the axle bush, just the one end of curved surface still is equipped with the bellied tight location draw-in groove of screwing up of location on the matching axle bush.
Further, the lower ends of the left support arm and the right support arm are also provided with bearing seat clamping plates; and the bearing seat clamping plate is provided with a clamping bolt.
Further, a movable hollow groove is formed in the right supporting arm, and movable positioning blocks are distributed in the movable hollow groove; the movable positioning block comprises an inclined pressure rod and a sliding block, the front side of the inclined pressure rod is provided with an extrusion inclined surface with a narrow upper part and a wide lower part, and the lower end of the inclined pressure rod is combined with the upper right part of the sliding block; an elastic telescopic positioning head is arranged at the left lower side of the sliding block; the right rear side of the bearing bush movable pressing block is provided with a force application inclined plane corresponding to the inclined plane pressing rod; the left rear side of the movable empty slot is correspondingly provided with a sliding block movable port; the middle part of the sliding block is provided with a shaft hole, and the sliding block can be movably distributed in the movable empty groove back and forth through a movable shaft lever; and the movable shaft rod is also sleeved with a reset spring, and the reset spring is distributed at the rear side of the sliding block and is used for extruding the sliding block forwards.
Further, the front side and the rear side of the bearing bush movable pressing block are also provided with bearing bush pressing blocks; the bearing bush compressing block is connected with the bearing bush movable pressing block through an adjustable compressing bolt.
Furthermore, an extrusion spring is sleeved on the adjustable compression bolt; the extrusion springs are distributed between the bearing bush pressing blocks and the bearing bush movable pressing blocks.
Further, a supporting spring is arranged below the left side of the movable pressing block of the bearing bush.
Compared with the prior art, the invention has the beneficial effects that: when the bearing bush clamping device is used, the movable positioning block is positioned in a bearing bush positioning groove of the main bearing seat (clicking sound is heard during moving adjustment), then the bearing seat clamping plate is compressed, then the bearing bush is sleeved at the lower end of the bearing bush movable pressing block (the positioning protrusion is matched with the tightening positioning clamping groove), and then the bearing bush is compressed by the bearing bush compressing block; in the pressing process, the movable positioning block is pressed backwards to move, and the movable positioning block is separated from the bearing bush positioning groove, so that the bearing bush is ensured to be accurately and firmly pressed in place.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the structure of the movable positioning block of the present invention;
FIG. 4 is a schematic view of a main bearing housing of a cylinder block according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 3, a simple tool for pressing bearing bushes comprises a tool body 1, wherein the tool body 1 comprises a top plate, a left support arm, a right support arm 2 and a bearing bush movable pressing block 3, and the top plate is connected to the upper parts of the left support arm and the right support arm 2; slide ways 5 are longitudinally arranged on the left support arm and the right support arm 2 respectively, and two sides of the movable bearing bush pressing block 3 can be distributed on the slide ways 5 in a sliding manner; a pressing rod 4 is arranged at the upper part of the bearing bush movable pressing block 3, and the pressing rod 4 penetrates out of the top plate to be distributed; the lower end of the movable pressing block 3 of the bearing bush is provided with a curved surface 3-1 matched with the bearing bush, and one end of the curved surface 3-1 is also provided with a tightening positioning clamping groove 3-2 matched with a positioning protrusion on the bearing bush. The lower ends of the left support arm and the right support arm 2 are also provided with bearing seat clamping plates 7; the bearing seat clamping plate 7 is provided with a clamping bolt 6 for clamping and fixing the tool body 1 on a main bearing seat of a cylinder body 13 shown in fig. 4. A movable hollow groove 2-1 is formed in the right supporting arm 2, and movable positioning blocks 10 are distributed in the movable hollow groove 2-1; the movable positioning block 10 comprises an inclined pressure lever 10-1 and a sliding block 10-2, wherein the front side of the inclined pressure lever 10-1 is provided with an extrusion inclined surface 10-1 with a narrow upper part and a wide lower part, and the lower end of the inclined pressure lever 10-1 is combined with the upper right part of the sliding block 10-2; an elastic telescopic positioning head is arranged at the left lower side of the sliding block 10-2; the elastic telescopic positioning head comprises a spring groove 10-3 formed in the sliding block 10-2 and springs 10-4 distributed in the spring groove 10-3, and also comprises a telescopic positioning head 12 matched with a bearing bush positioning hole 14 on a main bearing seat, wherein the front side and the rear side of the lower part of the telescopic positioning head 12 are inclined planes, so that the front and the rear direction movement is facilitated, and the telescopic positioning head 12 is used for promoting the positioning of the tool body 1 and the main bearing seat of the cylinder body 13. The right rear side of the bearing movable pressing block 3 is provided with a force application inclined plane 3-5 corresponding to the extrusion inclined plane 10-1-1 of the inclined plane pressing rod 10-1; namely, the pressing process of the movable bearing bush pressing block 3 is ensured, the movable positioning block 10 can be acted, and the movable positioning block 10 is promoted to move to the rear side to give way. Of course, in order to ensure smooth movement, the left rear side of the movable hollow groove 2-1 is correspondingly provided with a sliding block movable opening 5-1; the middle part of the sliding block is provided with a shaft hole 10-2-1, and the sliding block can be movably distributed in the movable empty groove back and forth through a movable shaft lever 11; and the movable shaft lever 11 is also sleeved with return springs, and the return springs are distributed at the rear side of the sliding block and are used for extruding the sliding block forwards. The middle parts of the front side and the rear side of the bearing bush movable pressing block 3 are also provided with bearing bush pressing blocks 8; the bearing bush compression block 8 is connected with the bearing bush movable pressing block 3 through an adjustable compression bolt 9. An extrusion spring is sleeved on the adjustable compression bolt 9; the extrusion springs are distributed between the bearing bush compression block and the bearing bush movable pressing block to play a role in external bracing and extrusion. The lower left side of the movable pressing block 3 of the bearing bush of the embodiment is also provided with a supporting spring 3-4.
When the movable positioning block is used, the movable positioning block is positioned in a bearing bush positioning groove of a main bearing seat (clicking sound is heard during movement adjustment), then a bearing seat clamping plate is compressed, then a bearing bush is sleeved at the lower end of a bearing bush movable pressing block (a positioning protrusion is matched with a tightening positioning clamping groove), and then a bearing bush pressing block is used for compressing a bearing bush; in the pressing process, the movable positioning block is pressed backwards to move, and the movable positioning block is separated from the bearing bush positioning groove, so that the bearing bush is ensured to be accurately and firmly pressed in place. Then, the adjustable compression bolt 9 is loosened, the bearing bush compression block loosens the bearing bush under the expansion action of the extrusion spring, the supporting springs 3-4 and the return spring act to enable the movable pressing block 3 of the bearing bush to return, and then the clamping bolt 6 is loosened, and the bearing bush is pulled out.
Claims (4)
1. Simple tool for pressing bearing bushes is characterized in that: the tool comprises a tool body, wherein the tool body comprises a top plate, a left supporting arm, a right supporting arm and a bearing movable pressing block, and the top plate is connected to the upper parts of the left supporting arm and the right supporting arm; slide ways are longitudinally arranged on the left support arm and the right support arm respectively, and two sides of the movable pressing block of the bearing bush are slidably distributed on the slide ways; the upper part of the movable pressing block of the bearing bush is provided with a pressing rod, and the pressing rod penetrates out of the top plate to be distributed; the lower end of the movable pressing block of the bearing bush is provided with a curved surface matched with the bearing bush, and one end of the curved surface is also provided with a tightening positioning clamping groove matched with a positioning protrusion on the bearing bush; a movable empty slot is formed in the right supporting arm, and movable positioning blocks are distributed in the movable empty slot; the movable positioning block comprises an inclined pressure rod and a sliding block, the front side of the inclined pressure rod is provided with an extrusion inclined surface with a narrow upper part and a wide lower part, and the lower end of the inclined pressure rod is combined with the upper right part of the sliding block; an elastic telescopic positioning head is arranged at the left lower side of the sliding block; the right rear side of the bearing bush movable pressing block is provided with a force application inclined plane corresponding to the inclined plane pressing rod; the left rear side of the movable empty slot is correspondingly provided with a sliding block movable port; the middle part of the sliding block is provided with a shaft hole, and the sliding block can be movably distributed in the movable empty groove back and forth through a movable shaft lever; the movable shaft rod is also sleeved with return springs, and the return springs are distributed at the rear side of the sliding block and are used for extruding the sliding block forwards; the front side and the rear side of the bearing bush movable pressing block are also provided with bearing bush pressing blocks; the bearing bush compressing block is connected with the bearing bush movable pressing block through an adjustable compressing bolt.
2. The simple tooling of the bearing bush of claim 1, wherein: bearing seat clamping plates are further arranged at the lower ends of the left support arm and the right support arm; and the bearing seat clamping plate is provided with a clamping bolt.
3. The simple tooling of the bearing bush of claim 1, wherein: an extrusion spring is sleeved on the adjustable compression bolt; the extrusion springs are distributed between the bearing bush pressing blocks and the bearing bush movable pressing blocks.
4. The simple tooling of the bearing bush of claim 1, wherein: and a supporting spring is arranged below the left side of the movable pressing block of the bearing bush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010318742.4A CN111409036B (en) | 2020-04-21 | 2020-04-21 | Simple tool for pressing bearing bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010318742.4A CN111409036B (en) | 2020-04-21 | 2020-04-21 | Simple tool for pressing bearing bush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111409036A CN111409036A (en) | 2020-07-14 |
| CN111409036B true CN111409036B (en) | 2024-06-28 |
Family
ID=71486871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010318742.4A Active CN111409036B (en) | 2020-04-21 | 2020-04-21 | Simple tool for pressing bearing bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111409036B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212287457U (en) * | 2020-04-21 | 2021-01-05 | 广西玉柴机器股份有限公司 | Simple tool for pressing bearing bush |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4293612B2 (en) * | 2005-01-20 | 2009-07-08 | 本田技研工業株式会社 | Bearing mounting device |
| CN202701728U (en) * | 2011-12-27 | 2013-01-30 | 青岛德盛机械制造有限公司 | Bearing bush pressing device |
| CN105500047A (en) * | 2015-12-31 | 2016-04-20 | 广西玉林市朗泰汽车零部件有限公司 | Clamping fixture for milling of bushing groove of bearing cap |
| CN206690004U (en) * | 2017-05-02 | 2017-12-01 | 江阴中玮动力机械有限公司 | Rear axle bearing bearing shell pressing device |
-
2020
- 2020-04-21 CN CN202010318742.4A patent/CN111409036B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212287457U (en) * | 2020-04-21 | 2021-01-05 | 广西玉柴机器股份有限公司 | Simple tool for pressing bearing bush |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111409036A (en) | 2020-07-14 |
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