CN204673517U - A kind of engine crankshaft rotates transition tool - Google Patents
A kind of engine crankshaft rotates transition tool Download PDFInfo
- Publication number
- CN204673517U CN204673517U CN201520411195.9U CN201520411195U CN204673517U CN 204673517 U CN204673517 U CN 204673517U CN 201520411195 U CN201520411195 U CN 201520411195U CN 204673517 U CN204673517 U CN 204673517U
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- CN
- China
- Prior art keywords
- switching part
- hole
- engine crankshaft
- transition tool
- head end
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of engine crankshaft and rotate transition tool, comprising: switching part, location division and locating centre; Switching part is multidiameter, and the stub end of switching part is connected with engine crankshaft, and the little head end of switching part is connected with drive unit; Switching part is provided with shoulder hole along axle center, and the macropore of shoulder hole is arranged in the stub end of switching part, and the aperture of shoulder hole is arranged in the little head end of switching part; Location division is arranged in the macropore of shoulder hole, and location division is provided with the first through hole along axle center; Locating centre is arranged in the aperture of shoulder hole, and locating centre is connected with the taper hole of engine crankshaft through after the first through hole.Engine crankshaft of the present utility model rotates transition tool, be connected with engine crankshaft by transfer block stub end, and the keyway on little for transfer block head end is matched with drive unit, positioning precision when installing can be ensured, realize the connection of rotating driving device and engine crankshaft, improve installation and the detection efficiency of engine crankshaft.
Description
Technical field
The utility model relates to automobile engine mounting technology field, is specifically related to a kind of engine crankshaft and rotates transition tool.
Background technology
Bent axle is the main rotary gadget of engine, and after loading onto connecting rod, the reciprocating motion can accepting connecting rod becomes rotary motion.Its material is made up of carbon structural steels or spheroidal graphite cast-iron, has two significant points: trunnion, connecting rod neck, trunnion is installed on cylinder body, connecting rod neck is connected with crank pin end pore, and connecting rod small end hole is connected with steam-cylinder piston, is a typical slider-crank mechanism.The lubrication of bent axle mainly refers to and big end bearing shell and the lubrication of crank-shaft link neck and the lubrication of two fixing point.The rotation of bent axle is the power source of engine, is also the driving source of whole mechanical system.
When engine assembly, usually need rotary crankshaft, the needs meeting assembling with the position adjusting crankshaft and piston connecting rod and detect.But the front/rear end of engine crankshaft does not design pin or pin-and-hole, causes whirligig to locate bent axle, and then cannot the problem of direct rotary crankshaft.
Utility model content
The purpose of this utility model is to provide a kind of engine crankshaft and rotates transition tool, rotate transition tool by this to match with engine crankshaft and drive unit, the connection of rotating driving device and engine crankshaft can be realized, solve the problem that drive unit cannot cannot rotate bent axle location.
For achieving the above object, the utility model provides following technical scheme:
A kind of engine crankshaft rotates transition tool, comprising: switching part, location division and locating centre;
Described switching part is multidiameter, and the stub end of described switching part is connected with engine crankshaft, and the little head end of described switching part is connected with drive unit; Described switching part is provided with shoulder hole along axle center, and the macropore of described shoulder hole is arranged in the stub end of described switching part, and the aperture of described shoulder hole is arranged in the little head end of described switching part;
Described location division is arranged in the macropore of described shoulder hole, and described location division is provided with the first through hole along axle center;
Described locating centre is arranged in the aperture of described shoulder hole, and described locating centre is connected with the taper hole of described engine crankshaft through after described first through hole.
Preferably, the little head end of described switching part is provided with keyway, and described keyway matches with described drive unit and locks.
Preferably, the little head end of described switching part is socketed with cover plate, and the shaft shoulder of described cover plate and described switching part leans.
Preferably, the center of described cover plate is provided with the second through hole, and the aperture of described second through hole is greater than the little head end external diameter of described switching part.
Preferably, be evenly provided with multiple fixing hole between the outward flange of described cover plate and described second through hole, described cover plate is by fixing through the first bolt of fixing hole and the shaft shoulder of described switching part.
Preferably, be provided with installing hole between adjacent described fixing hole, described switching part is by fixing through the second bolt of described installing hole and described engine crankshaft.
Preferably, the top that described locating centre is positioned at the aperture of described shoulder hole is provided with groove and guard shield along axis, is provided with spring in described groove, and bottom and the described spring of described guard shield lean.
The beneficial effects of the utility model are:
Engine crankshaft of the present utility model rotates transition tool, be connected with engine crankshaft by the transfer block stub end arranged on transition tool, on the little head end of transfer block, be provided with keyway in addition, utilize the keyway locking that matches with drive unit drive unit can be fixedly connected with transfer block.The axial line of transfer block is provided with shoulder hole, location division is connected with in the macropore of shoulder hole, and in the first through hole that the center of location division is arranged, be connected with locating centre, utilize the taper hole of the tip portion of locating centre and engine crankshaft in mating connection, transition tool positioning precision when mounted can be ensured, thus the connection of rotating driving device and engine crankshaft can be realized, efficiently solve the problem that drive unit cannot cannot rotate bent axle location, improve installation and the detection efficiency of engine crankshaft.
Accompanying drawing explanation
Next will be described in further detail specific embodiment of the utility model by reference to the accompanying drawings, wherein:
Fig. 1 is the transition tool structure chart of the utility model embodiment;
Fig. 2 is the transition tool front view of the utility model embodiment;
Fig. 3 is the transition tool A-A profile of the utility model embodiment.
Mark in upper figure:
1, switching part 2, location division 3, locating centre
4, shoulder hole 5, first through hole 6, keyway
7, cover plate 8, second through hole 9, fixing hole
10, the first bolt 11, installing hole 12, second bolt
13, groove 14, guard shield 15, spring
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
As shown in Figure 1 to Figure 3, a kind of engine crankshaft rotates transition tool, comprising: switching part 1, location division 2 and locating centre 3; Switching part 1 is multidiameter, and the stub end of switching part 1 is connected with engine crankshaft, and the little head end of switching part 1 is connected with drive unit; Switching part 1 is provided with shoulder hole 4 along axle center, and the macropore of shoulder hole 4 is arranged in the stub end of switching part 1, and the aperture of shoulder hole 4 is arranged in the little head end of switching part 1; Location division 2 is arranged in the macropore of shoulder hole 4, and location division 2 is provided with the first through hole 5 along axle center; Locating centre 3 is arranged in the aperture of shoulder hole 4, and locating centre 3 is connected with the taper hole of engine crankshaft through after the first through hole 5.Engine crankshaft of the present utility model rotates transition tool, be connected with engine crankshaft by transfer block 1 stub end arranged on transition tool, on the little head end of transfer block 1, be provided with keyway 6 in addition, utilize keyway 6 locking that matches with drive unit drive unit can be fixedly connected with transfer block 1.The axial line of transfer block 1 is provided with shoulder hole 4, location division 2 is connected with in the macropore of shoulder hole 4, and in the first through hole 5 that the center of location division 2 is arranged, be connected with locating centre 3, utilize the taper hole of the tip portion of locating centre 3 and engine crankshaft in mating connection, transition tool positioning precision when mounted can be ensured, thus the connection of rotating driving device and engine crankshaft can be realized, efficiently solve the problem that drive unit cannot cannot rotate bent axle location, improve installation and the detection efficiency of engine crankshaft.
As shown in Figure 1, the little head end of switching part 1 is provided with keyway 6, and keyway 6 matches with drive unit and locks, as can be seen from Figure 1, match with drive unit in opening portion on the keyway 6 that the little head end of switching part 1 is arranged, after the little head end of switching part 1 inserts drive unit, rotating driving device, keyway 6 position in transfer block 1 is rotated to when keyway 6, drive unit moves on and inserts keyway 6, drive unit can be linked together closely with rotation transition tool, when drive unit rotates, by the connection of keyway 6 with drive unit, switching part 1 can be driven to rotate, thus drive engine crankshaft to rotate by rotating transition tool, achieving can mutually by being rotatably connected between drive unit with engine crankshaft, make to drive sole duty can position engine crankshaft, the installation of effective raising engine crankshaft and detection efficiency.
As depicted in figs. 1 and 2, the little head end of switching part 1 is socketed with cover plate 7, and cover plate 7 leans with the shaft shoulder of switching part 1.Because switching part 1 is multidiameter, in order to ensure the bonding strength of switching part 1 between engine crankshaft and drive unit, add at the shaft shoulder place of switching part 1 and be provided with cover plate 7, as can be seen from Figure 1, the center of cover plate 7 is provided with the second through hole 8, the aperture of the second through hole 8 is greater than the little head end external diameter of switching part 1, easily cover plate 7 can be inserted in the little head end of switching part 1, be conducive to the installation and removal of cover plate 7 by the second through hole 8.Between the outward flange and the second through hole 8 of cover plate 7, be evenly provided with multiple fixing hole 9 in addition, cover plate 7 is fixed with the shaft shoulder of switching part 1 by the first bolt 10 through fixing hole 9; And between adjacent fixation holes 9, being provided with installing hole 11, switching part 1 is fixed with engine crankshaft by the second bolt 12 through installing hole 11.Fixing hole 9 can set according to the bonding strength of engine crankshaft and drive unit with the quantity of installing hole 11, in embodiment of the present utility model, preferred fixing hole 9 and installing hole 11 are four, fixing hole 9 is that right-angled intersection is arranged relative to the axis of switching part 1, and installing hole 11 is evenly arranged between two adjacent fixing holes 9.The Main Function of installing hole 11 is fixed switching part 1 and engine crankshaft, because engine crankshaft needs very large power to rotate, therefore the second bolt 12 that the connection of engine crankshaft and switching part 1 needs intensity larger can guarantee the security connected, in embodiment of the present utility model, preferably the second bolt 12 is hexagonal cylindrical hook bolt in high strength, and installing hole 11 distinguishes the position of hexagonal cylindrical hook bolt in high strength in corresponding transfer block 1, the aperture of installing hole 11 is less than the head diameter of hexagonal cylindrical hook bolt in high strength, simultaneously large than hexagonal opposite side size in hexagonal cylindrical hook bolt in high strength, in the process of installation and removal, in high strength, hexagonal cylindrical hook bolt can not depart from rotation transition tool like this, and hexagonal cylindrical hook bolt in high strength can be tightened through the hole on cover plate 7 by spanner.Effectively can be increased by fixing hole 9 that cover plate 7 is arranged and installing hole 11 and rotate transition tool and the bonding strength between engine crankshaft and drive unit, improve the service life rotating transition tool.
As shown in Figure 3, the top that locating centre 3 is positioned at shoulder hole 4 aperture is provided with groove 13 and guard shield 14 along axis, is provided with spring 15 in groove 13, the bottom of guard shield 14 and spring mutually 15 against.As can be seen from Figure 3, locating centre 3 is arranged in the shoulder hole 4 of switching part 1, and the most advanced and sophisticated localization part of locating centre 3 is connected with the taper hole of engine crankshaft through after first through hole 5 at center, location division 2, locating centre 3 is that the spring 15 in the groove 13 by being arranged in shoulder hole 4 positions and unclamps, one end of spring 15 and the bottom land of groove 13 lean, the other end and guard shield 14 lean, guard shield 14 is fixedly installed in the aperture of shoulder hole 4, utilize guard shield 14 can the displacement of restraining spring 15, thus ensure that locating centre 3 has enough spring forces to stretch, thus make the connection between rotation transition tool and engine crankshaft more accurate, transition tool positioning precision when mounted can be ensured, thus the connection of rotating driving device and engine crankshaft can be realized, efficiently solve the problem that drive unit cannot cannot rotate bent axle location, improve installation and the detection efficiency of engine crankshaft.
Structure of the present utility model, feature and action effect is described in detail above according to illustrated embodiment; the foregoing is only preferred embodiment of the present utility model; but the utility model does not limit practical range with shown in drawing; every change done according to conception of the present utility model; or be revised as the Equivalent embodiments of equivalent variations; do not exceed yet description with diagram contain spiritual time, all should in protection domain of the present utility model.
Claims (7)
1. engine crankshaft rotates a transition tool, it is characterized in that, comprising: switching part, location division and locating centre;
Described switching part is multidiameter, and the stub end of described switching part is connected with engine crankshaft, and the little head end of described switching part is connected with drive unit; Described switching part is provided with shoulder hole along axle center, and the macropore of described shoulder hole is arranged in the stub end of described switching part, and the aperture of described shoulder hole is arranged in the little head end of described switching part;
Described location division is arranged in the macropore of described shoulder hole, and described location division is provided with the first through hole along axle center;
Described locating centre is arranged in the aperture of described shoulder hole, and described locating centre is connected with the taper hole of described engine crankshaft through after described first through hole.
2. rotation transition tool according to claim 1, is characterized in that, the little head end of described switching part is provided with keyway, and described keyway matches with described drive unit and locks.
3. rotation transition tool according to claim 2, is characterized in that, the little head end of described switching part is socketed with cover plate, and the shaft shoulder of described cover plate and described switching part leans.
4. rotation transition tool according to claim 3, is characterized in that, the center of described cover plate is provided with the second through hole, and the aperture of described second through hole is greater than the little head end external diameter of described switching part.
5. rotation transition tool according to claim 4, is characterized in that, is evenly provided with multiple fixing hole between the outward flange of described cover plate and described second through hole, and described cover plate is by fixing through the first bolt of fixing hole and the shaft shoulder of described switching part.
6. rotation transition tool according to claim 5, is characterized in that, is provided with installing hole between adjacent described fixing hole, and described switching part is by fixing through the second bolt of described installing hole and described engine crankshaft.
7. rotation transition tool according to claim 1, it is characterized in that, the top that described locating centre is positioned at the aperture of described shoulder hole is provided with groove and guard shield along axis, is provided with spring in described groove, and bottom and the described spring of described guard shield lean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520411195.9U CN204673517U (en) | 2015-06-11 | 2015-06-11 | A kind of engine crankshaft rotates transition tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520411195.9U CN204673517U (en) | 2015-06-11 | 2015-06-11 | A kind of engine crankshaft rotates transition tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204673517U true CN204673517U (en) | 2015-09-30 |
Family
ID=54173239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520411195.9U Expired - Fee Related CN204673517U (en) | 2015-06-11 | 2015-06-11 | A kind of engine crankshaft rotates transition tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204673517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952533A (en) * | 2016-06-30 | 2016-09-21 | 广西玉柴机器股份有限公司 | Disc crankshaft device of V-shaped engine |
| CN110842879A (en) * | 2019-11-29 | 2020-02-28 | 广西玉柴机器股份有限公司 | Crankshaft big end coupling device |
-
2015
- 2015-06-11 CN CN201520411195.9U patent/CN204673517U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952533A (en) * | 2016-06-30 | 2016-09-21 | 广西玉柴机器股份有限公司 | Disc crankshaft device of V-shaped engine |
| CN110842879A (en) * | 2019-11-29 | 2020-02-28 | 广西玉柴机器股份有限公司 | Crankshaft big end coupling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20190611 |