CN112847214B - Positioning lip-free crankshaft upper tile limiting and mounting device and using method thereof - Google Patents
Positioning lip-free crankshaft upper tile limiting and mounting device and using method thereof Download PDFInfo
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- CN112847214B CN112847214B CN202110001198.5A CN202110001198A CN112847214B CN 112847214 B CN112847214 B CN 112847214B CN 202110001198 A CN202110001198 A CN 202110001198A CN 112847214 B CN112847214 B CN 112847214B
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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
- B25B11/02—Assembly jigs
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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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
A spacing installation device of tile on bent axle of non-location lip, including spacing reference plate, front end spacing block and rear end spacing block, the bottom plane of the spacing reference plate is laminated with the main journal surface of cylinder body, spacing reference plate equip with a plurality of installation through grooves along its axial evenly, the front end spacing block connects to the position located on one side of installation through groove on the bottom plane of the spacing reference plate vertically, the rear end spacing block connects to the position located on the other side of installation through groove on the bottom plane of the spacing reference plate vertically, the rear end spacing block and front end spacing block are arranged symmetrically; during the use, install front end spacing piece, rear end spacing piece respectively on the basal plane of spacing benchmark board earlier, place spacing benchmark board on cylinder body main journal face again, then put into the logical inslot of installation with bent axle upper shoe, strike bent axle upper shoe again so that it assembles on the cylinder body main journal, then move out spacing benchmark board perpendicularly upwards. The design is high in installation accuracy and simple and convenient to install.
Description
Technical Field
The invention relates to the field of engine crankshaft installation, in particular to a positioning lip-free crankshaft upper tile limiting installation device and a use method thereof, which are mainly suitable for improving installation accuracy and reducing installation difficulty.
Background
The engine main shaft bush is mainly used for sliding lubrication of a crankshaft main shaft neck, and the engine is matched with the crankshaft main shaft neck through the bearing bush, a cylinder body main shaft hole and the crankshaft main shaft neck, so that the friction resistance of the shaft neck under the circumferential motion is reduced on the premise of controlling the clearance of the bearing bush, the abrasion of the shaft neck is reduced, the normal operation of the engine is ensured, and the service life of the engine is prolonged. At present, two bearing bush assembling modes, namely a positioning lip assembling mode and a non-positioning lip assembling mode, exist in an engine. For an engine without a positioning lip, the assembly consistency cannot be ensured simply by visual inspection during the installation of a main bearing bush, and the accuracy of the assembly position of the bearing bush cannot be ensured by a common manual conventional tool, so that the bearing bush and a high-pressure oil passage hole thereof are easily staggered, the interference, abnormal abrasion and unsmooth oil supply of a main journal of a crankshaft are caused, and the faults of bearing bush pulling, ablation, abnormal power torque, high oil consumption and the like are caused in serious cases. The existing crankshaft upper tile without the positioning lip is generally assembled by adopting a universal tool, and the installation requirements of the crankshaft upper tile at the thrust position are different from those of other positions, so that the differentiated assembly requirements cannot be guaranteed.
Disclosure of Invention
The invention aims to overcome the defects and problems of low installation precision and complex installation in the prior art, and provides a locating-lip-free crankshaft upper shoe limiting installation device which is high in installation precision and simple and convenient to install and a using method thereof.
In order to achieve the above purpose, the technical solution of the invention is as follows: the utility model provides a spacing installation device of tile on no position lip bent axle, includes spacing benchmark board, front end spacing piece and rear end spacing piece, the baseplane of spacing benchmark board laminates with cylinder body main journal face mutually, has evenly seted up a plurality of installations along its axial on the spacing benchmark board and has led to the groove, the position that the groove one side was led to in the installation is located on the baseplane of spacing benchmark board to front end spacing piece vertical connection, the position that the groove opposite side is led to in the installation is located on the baseplane of spacing benchmark board to rear end spacing piece vertical connection, rear end spacing piece and front end spacing piece symmetrical arrangement.
The side surface of the front end limiting block close to the mounting through groove and one inner side wall of the mounting through groove are positioned on the same plane;
the side face of the rear end limiting block close to the installation through groove and the other inner side wall of the installation through groove are located on the same plane.
A plurality of threaded holes are formed in the top planes of the front end limiting block and the rear end limiting block, a plurality of mounting holes are formed in the positions, located on the two sides of the mounting through groove, of the limiting reference plate, and the locking screws penetrate through the mounting holes and then are connected with the threaded holes.
Positioning holes are formed in the top planes of the front end limiting block and the rear end limiting block, the positioning holes and the threaded holes are alternately arranged, a centering pin is arranged on the bottom plane of the limiting reference plate, and the centering pin is inserted into the positioning holes.
And positioning pins matched with the main journal surface of the cylinder body are arranged on two sides of the bottom plane of the limiting reference plate.
The cross section of the installation through groove is of a T-shaped structure, the installation through groove comprises a transverse groove and a vertical groove which are communicated, and the front end limiting block and the rear end limiting block are respectively arranged on two sides of the vertical groove.
The longitudinal sections of the front end limiting block and the rear end limiting block are of semicircular structures, and the top planes of the front end limiting block and the rear end limiting block are connected with the bottom plane of the limiting reference plate.
The limiting reference plate comprises a transverse plate and longitudinal plates connected with two ends of the transverse plate, and the mounting through grooves are uniformly arranged along the axial direction of the transverse plate.
The two sides of the top plane of the limiting reference plate are provided with handrails which are of an inverted U-shaped structure.
A use method of a shoe limit mounting device on a crankshaft without a positioning lip comprises the following steps:
the front end limiting block and the rear end limiting block are installed on the bottom plane of the limiting reference plate respectively, the limiting reference plate is placed on the surface of a main journal of a cylinder body, then the upper tile of the crankshaft is placed into the installation through groove, at the moment, the upper tile of the crankshaft is located between the front end limiting block and the rear end limiting block, the upper tile of the crankshaft is knocked to enable the upper tile of the crankshaft to be assembled on the main journal of the cylinder body, then the limiting reference plate is vertically moved upwards, and at the moment, the upper tile of the crankshaft is assembled.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, the bottom plane of a limit reference plate is attached to the main journal surface of a cylinder body, a plurality of installation through grooves are uniformly formed in the limit reference plate along the axial direction of the limit reference plate, a front limit block is vertically connected to the bottom plane of the limit reference plate at a position on one side of each installation through groove, a rear limit block is vertically connected to the bottom plane of the limit reference plate at a position on the other side of each installation through groove, and the rear limit block and the front limit block are symmetrically arranged; the limiting installation device with the structure is used for limiting the front position and the rear position of the upper tile of the crankshaft through the front end limiting block and the rear end limiting block on the basis of ensuring the positioning of the whole limiting surface, so that the installation precision is improved, and the installation is simple, convenient and quick. Therefore, the invention has high installation precision and simple and convenient installation.
2. In the positioning lip-free crankshaft upper tile limiting and mounting device and the using method thereof, the side surface of the front end limiting block close to the mounting through groove and one inner side wall of the mounting through groove are positioned on the same plane, and the side surface of the rear end limiting block close to the mounting through groove and the other inner side wall of the mounting through groove are positioned on the same plane, so that the limiting block is prevented from interfering with the crankshaft upper tile; a plurality of threaded holes are formed in the top planes of the front end limiting block and the rear end limiting block, a plurality of mounting holes are formed in the positions, located on the two sides of the mounting through groove, of the limiting reference plate, and locking screws penetrate through the mounting holes and then are connected with the threaded holes, so that the limiting blocks are easy and convenient to mount and dismount; positioning holes are formed in the top planes of the front end limiting block and the rear end limiting block, centering pins are arranged on the bottom plane of the limiting reference plate, and the centering pins are inserted into the positioning holes, so that the mounting accuracy of the limiting blocks is improved; the two sides of the bottom plane of the limiting reference plate are provided with the positioning pins matched with the main journal surfaces of the cylinder bodies, so that the mounting precision is high, and the mounting and the dismounting are simple and convenient. Therefore, the invention has high reliability, simple and convenient installation and disassembly and high installation precision.
3. In the positioning lip-free crankshaft upper tile limiting and mounting device and the using method thereof, the cross section of the mounting through groove is of a T-shaped structure, the mounting through groove comprises a transverse groove and a vertical groove which are communicated, and the front end limiting block and the rear end limiting block are respectively arranged on two sides of the vertical groove, so that the assembly is simpler, more convenient and more reliable; the longitudinal sections of the front end limiting block and the rear end limiting block are both in a semicircular structure so as to avoid the interference of the limiting blocks with other parts; the limiting reference plate comprises a transverse plate and longitudinal plates connected with two ends of the transverse plate, and the plurality of mounting through grooves are uniformly arranged along the axial direction of the transverse plate, so that the structural strength and the stability of the limiting reference plate are improved; the both sides of the top plane of spacing benchmark board are provided with the handrail, and the handrail is the type of falling U structure for convenient to use. Therefore, the invention has the advantages of simple and convenient installation, high reliability, high structural strength, good stability and convenient use.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a left side view of the present invention.
In the figure: the device comprises a limit reference plate 1, a transverse plate 11, a longitudinal plate 12, an installation through groove 13, a transverse groove 131, a vertical groove 132, a centering pin 14, a positioning pin 15, a handrail 16, a front end limit block 2, a rear end limit block 3 and a locking screw 4.
Detailed Description
The invention is described in further detail below with reference to the figures and the detailed description of the invention.
Referring to fig. 1 to 3, a spacing installation device of tile on no lip crankshaft of location, including spacing benchmark board 1, front end spacing piece 2 and rear end spacing piece 3, the basal plane of spacing benchmark board 1 is laminated with cylinder body main journal face mutually, has evenly seted up a plurality of installation through grooves 13 along its axial on the spacing benchmark board 1, the position that is located installation through groove 13 one side is connected perpendicularly on the basal plane of spacing benchmark board 1 to front end spacing piece 2, rear end spacing piece 3 is connected perpendicularly and is located the position that installs through groove 13 opposite side on the basal plane of spacing benchmark board 1, rear end spacing piece 3 and front end spacing piece 2 symmetrical arrangement.
The side surface of the front end limiting block 2 close to the installation through groove 13 and one inner side wall of the installation through groove 13 are positioned on the same plane;
the side surface of the rear end limiting block 3 close to the installation through groove 13 and the other inner side wall of the installation through groove 13 are positioned on the same plane.
A plurality of threaded holes are formed in the top planes of the front end limiting block 2 and the rear end limiting block 3, a plurality of mounting holes are formed in the positions, located on the two sides of the mounting through groove 13, of the limiting reference plate 1, and the locking screws 4 penetrate through the mounting holes and then are connected with the threaded holes.
Positioning holes are formed in the top planes of the front end limiting block 2 and the rear end limiting block 3 and are alternately arranged with threaded holes, a centering pin 14 is arranged on the bottom plane of the limiting reference plate 1, and the centering pin 14 is inserted into the positioning holes.
And positioning pins 15 matched with the main journal surface of the cylinder body are arranged on two sides of the bottom plane of the limiting reference plate 1.
The cross section of the installation through groove 13 is in a T-shaped structure, the installation through groove 13 comprises a transverse groove 131 and a vertical groove 132 which are communicated, and the front end limiting block 2 and the rear end limiting block 3 are respectively arranged on two sides of the vertical groove 132.
The longitudinal sections of the front end limiting block 2 and the rear end limiting block 3 are both semicircular structures, and the top planes of the front end limiting block 2 and the rear end limiting block 3 are connected with the bottom plane of the limiting reference plate 1.
Spacing benchmark board 1 includes diaphragm 11 and the vertical plate 12 that its both ends are connected, and is a plurality of installation through groove 13 evenly arranges along the axial of diaphragm 11.
The two sides of the top plane of the limit reference plate 1 are provided with handrails 16, and the handrails 16 are of an inverted U-shaped structure.
A use method of a shoe limit mounting device on a crankshaft without a positioning lip comprises the following steps:
install front end spacing block 2, rear end spacing block 3 on the basal plane of spacing reference plate 1 respectively earlier, place spacing reference plate 1 on cylinder body main journal face again, then put into installation logical groove 13 with bent axle upper tile, at this moment, bent axle upper tile is located between front end spacing block 2 and rear end spacing block 3, strike bent axle upper tile again so that it assembles on the cylinder body main journal, then shift out spacing reference plate 1 perpendicularly upwards, bent axle upper tile assembly is accomplished this moment.
The principle of the invention is illustrated as follows:
the upper bush of the crankshaft is manually and directly installed on the main journal of the cylinder body, the assembly of the upper bush of the crankshaft is determined through hand feeling and visual observation, and the consistency of the assembly position cannot be guaranteed. The design is suitable for the mounting operation of the upper tile of the crankshaft without the positioning lip, simultaneously ensures the precision requirements of the upper tile of the crankshaft at the thrust position and other positions, and is simple, convenient and quick to mount.
The installation through groove of spacing benchmark board bulges cylinder body main journal face, need not additional structure promptly spacing bent axle upper tile upside, and after the lower side upper tile is strikeed and is assembled in place, whole bent axle upper tile is packed into the cylinder body completely. The front end limiting block and the rear end limiting block ensure the axial direction limitation of the crankshaft on the bearing bush at the thrust position and the bearing bush at other positions through the assembly relation with the limiting reference plate, and ensure that the whole device does not scratch or collide and dislocate the assembled bearing bush when moving out vertically and upwards through reserving assembly gaps.
The embodiment is as follows:
referring to fig. 1 to 3, the limiting and mounting device for the upper bearing bush of the crankshaft without the positioning lip is characterized by comprising a limiting reference plate 1, a front end limiting block 2 and a rear end limiting block 3, wherein the bottom plane of the limiting reference plate 1 is attached to the journal surface of a cylinder body main shaft, a plurality of mounting through grooves 13 are uniformly formed in the limiting reference plate 1 along the axial direction of the limiting reference plate, the front end limiting block 2 is vertically connected to the bottom plane of the limiting reference plate 1 at a position on one side of the mounting through grooves 13, the rear end limiting block 3 is vertically connected to the bottom plane of the limiting reference plate 1 at a position on the other side of the mounting through grooves 13, and the rear end limiting block 3 and the front end limiting block 2 are symmetrically arranged; the side surface of the front end limiting block 2 close to the installation through groove 13 and one inner side wall of the installation through groove 13 are positioned on the same plane; the side surface of the rear end limiting block 3 close to the installation through groove 13 and the other inner side wall of the installation through groove 13 are positioned on the same plane; a plurality of threaded holes are formed in the top planes of the front end limiting block 2 and the rear end limiting block 3, a plurality of mounting holes are formed in the positions, located on the two sides of the mounting through groove 13, of the limiting reference plate 1, and the locking screws 4 penetrate through the mounting holes and are connected with the threaded holes; positioning holes are formed in the top planes of the front end limiting block 2 and the rear end limiting block 3 and are alternately arranged with threaded holes, a centering pin 14 is arranged on the bottom plane of the limiting reference plate 1, and the centering pin 14 is inserted into the positioning holes; positioning pins 15 matched with the main journal surface of the cylinder body are arranged on two sides of the bottom plane of the limiting reference plate 1; the cross section of the installation through groove 13 is in a T-shaped structure, the installation through groove 13 comprises a transverse groove 131 and a vertical groove 132 which are communicated, and the front end limiting block 2 and the rear end limiting block 3 are respectively arranged on two sides of the vertical groove 132; the longitudinal sections of the front end limiting block 2 and the rear end limiting block 3 are both in a semicircular structure, and the top planes of the front end limiting block 2 and the rear end limiting block 3 are connected with the bottom plane of the limiting reference plate 1; the limiting reference plate 1 comprises a transverse plate 11 and longitudinal plates 12 connected with the two ends of the transverse plate, and the plurality of installation through grooves 13 are uniformly arranged along the axial direction of the transverse plate 11; handrails 16 are arranged on two sides of the top plane of the limiting reference plate 1, and the handrails 16 are of an inverted U-shaped structure.
According to the scheme, the using method of the limiting and mounting device for the upper bearing bush of the crankshaft without the positioning lip comprises the following steps:
install front end spacing block 2, rear end spacing block 3 on the basal plane of spacing reference plate 1 respectively earlier, place spacing reference plate 1 on cylinder body main journal face again, then put into installation logical groove 13 with bent axle upper tile, at this moment, bent axle upper tile is located between front end spacing block 2 and rear end spacing block 3, strike bent axle upper tile again so that it assembles on the cylinder body main journal, then shift out spacing reference plate 1 perpendicularly upwards, bent axle upper tile assembly is accomplished this moment.
Claims (6)
1. The upper bearing shoe limiting and mounting device for the crankshaft without the positioning lip is characterized by comprising a limiting reference plate (1), a front end limiting block (2) and a rear end limiting block (3), wherein the bottom plane of the limiting reference plate (1) is attached to the journal surface of a cylinder body main shaft, a plurality of mounting through grooves (13) are uniformly formed in the limiting reference plate (1) along the axial direction of the limiting reference plate, the front end limiting block (2) is vertically connected to the bottom plane of the limiting reference plate (1) at a position on one side of the mounting through grooves (13), the rear end limiting block (3) is vertically connected to the bottom plane of the limiting reference plate (1) at a position on the other side of the mounting through grooves (13), and the rear end limiting block (3) and the front end limiting block (2) are symmetrically arranged;
the side surface of the front end limiting block (2) close to the mounting through groove (13) and one inner side wall of the mounting through groove (13) are positioned on the same plane; the side surface of the rear end limiting block (3) close to the installation through groove (13) and the other inner side wall of the installation through groove (13) are positioned on the same plane;
a plurality of threaded holes are formed in the top planes of the front end limiting block (2) and the rear end limiting block (3), a plurality of mounting holes are formed in the positions, located on the two sides of the mounting through groove (13), of the limiting reference plate (1), and the locking screws (4) penetrate through the mounting holes and are connected with the threaded holes;
positioning holes are formed in the top planes of the front end limiting block (2) and the rear end limiting block (3), the positioning holes and the threaded holes are alternately arranged, a centering pin (14) is arranged on the bottom plane of the limiting reference plate (1), and the centering pin (14) is inserted into the positioning holes;
the longitudinal sections of the front end limiting block (2) and the rear end limiting block (3) are of semicircular structures, and the top planes of the front end limiting block (2) and the rear end limiting block (3) are connected with the bottom plane of the limiting reference plate (1).
2. The limiting and mounting device for the upper shoe of the crankshaft without the positioning lip as claimed in claim 1, wherein: and positioning pins (15) matched with the main journal surface of the cylinder body are arranged on two sides of the bottom plane of the limiting reference plate (1).
3. The device of claim 1, wherein the positioning lip-free crankshaft upper shoe limit mounting device comprises: the cross section of the installation through groove (13) is of a T-shaped structure, the installation through groove (13) comprises a transverse groove (131) and a vertical groove (132) which are communicated, and the front end limiting block (2) and the rear end limiting block (3) are respectively arranged on two sides of the vertical groove (132).
4. The limiting and mounting device for the upper shoe of the crankshaft without the positioning lip as claimed in claim 1, wherein: spacing benchmark board (1) is including diaphragm (11) and longitudinal plate (12) that both ends are connected, and is a plurality of installation is led to groove (13) and is evenly arranged along the axial of diaphragm (11).
5. The limiting and mounting device for the upper shoe of the crankshaft without the positioning lip as claimed in claim 1, wherein: the two sides of the top plane of the limiting reference plate (1) are provided with handrails (16), and the handrails (16) are of an inverted U-shaped structure.
6. The use method of the limiting and mounting device for the upper shoe of the crankshaft without the positioning lip, disclosed by claim 1, is characterized in that: the using method comprises the following steps:
install front end spacing piece (2), rear end spacing piece (3) on the basal plane of spacing benchmark board (1) respectively earlier, place spacing benchmark board (1) on cylinder body main journal face again, then put into installation logical groove (13) with bent axle upper tile, at this moment, bent axle upper tile is located between front end spacing piece (2) and rear end spacing piece (3), strike bent axle upper tile again so that it assembles on the cylinder body main journal, then move out spacing benchmark board (1) perpendicularly upwards, bent axle upper tile assembly is accomplished this moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001198.5A CN112847214B (en) | 2021-01-04 | 2021-01-04 | Positioning lip-free crankshaft upper tile limiting and mounting device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001198.5A CN112847214B (en) | 2021-01-04 | 2021-01-04 | Positioning lip-free crankshaft upper tile limiting and mounting device and using method thereof |
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| Publication Number | Publication Date |
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| CN112847214A CN112847214A (en) | 2021-05-28 |
| CN112847214B true CN112847214B (en) | 2022-10-25 |
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| CN202110001198.5A Active CN112847214B (en) | 2021-01-04 | 2021-01-04 | Positioning lip-free crankshaft upper tile limiting and mounting device and using method thereof |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0768427A (en) * | 1993-08-31 | 1995-03-14 | Toyota Motor Corp | Assembly device |
| DE19806965B4 (en) * | 1998-02-19 | 2004-01-22 | Paschke, Uwe, Dipl.-Wirtsch.-Ing. | Clamping and separating device, in particular device used for removing bearing shells |
| CN106152908B (en) * | 2015-03-25 | 2019-12-31 | 北京福田康明斯发动机有限公司 | Detection tool for bearing bush |
| CN206568083U (en) * | 2017-03-02 | 2017-10-20 | 上汽大众汽车有限公司 | Main bearing shell installation tool |
| CN206811852U (en) * | 2017-06-26 | 2017-12-29 | 重庆长安汽车股份有限公司 | A kind of cylinder cap alignment pin assembly tooling |
| CN108608369A (en) * | 2018-04-28 | 2018-10-02 | 安徽江淮汽车集团股份有限公司 | Bearing shell press-fitting tool |
| CN208163001U (en) * | 2018-05-14 | 2018-11-30 | 重庆长安汽车股份有限公司 | A kind of main bearing shell assembly tooling |
| CN210121825U (en) * | 2019-05-30 | 2020-03-03 | 北京现代汽车有限公司 | Tool for disassembling camshaft bush cover of engine |
| CN210650484U (en) * | 2019-06-28 | 2020-06-02 | 潍柴动力股份有限公司 | Tool for mounting main shaft bushing |
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2021
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