CN210087952U - Laminated bolt assembled crankshaft power output assembly - Google Patents
Laminated bolt assembled crankshaft power output assembly Download PDFInfo
- Publication number
- CN210087952U CN210087952U CN201920635990.4U CN201920635990U CN210087952U CN 210087952 U CN210087952 U CN 210087952U CN 201920635990 U CN201920635990 U CN 201920635990U CN 210087952 U CN210087952 U CN 210087952U
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- crankshaft
- bent axle
- bush
- bolt
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Abstract
The utility model discloses a stromatolite bolt assembled bent axle power take off subassembly, including a bent axle, drive gear, flange, flywheel and a gearbox shaft bearing, the terminal surface laminating of drive gear and bent axle be connected, the terminal surface laminating of flange and drive gear be connected, just the flange pass through flange fastening bolt and pass drive gear and bent axle locking connection, a gearbox shaft bearing pass through the bush and install in the flange, just the bush pass through bush fastening bolt and flange locking connection, the flywheel pass through flywheel fastening bolt and flange locking connection. The utility model discloses a stromatolite bolt assembled bent axle power take off subassembly, compact structure, reliable and stable can rational distribution bent axle moment of torsion stress point, increase lifting surface area, reduce the possibility that output assembly work became invalid, prolong output assembly's life.
Description
Technical Field
The utility model relates to a bent axle power take off technical field, more specifically says that it relates to a stromatolite bolt assembled bent axle power take off subassembly.
Background
As shown in figure 1, in the crankshaft power output assembly of the prior gear rear engine, a driving gear 2 generally adopts a flat key 5 or interference fit to transmit torque, a flange 3 inner hole and a crankshaft 1 are assembled by a shrink fit process, although the structure and the assembly process are simple, because the assembly not only needs to provide a clutch mounting screw hole group and a working joint plane, but also needs to provide parts such as a mounting space of a transmission shaft bearing 6 and the like, the assembly is limited by the structure and the size, the joint area of the matching section of the flange 3 inner hole and the crankshaft 1 cannot be made large, and the heating temperature in the shrink fit process is influenced by the influence of materials and heat treatment, and the poking of the surface roughness of the flange 3 inner hole also influences the combination strength of the flange and the crankshaft, so that the phenomenon that the traditional crankshaft power output assembly fails to work (the phenomenon that the flange slips relative to the crankshaft or the driving gear slips relative to the crankshaft) occurs, thereby causing a problem of engine damage.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, provide a compact structure, reliable and stable stromatolite bolt assembled bent axle power take off subassembly, can rational distribution bent axle moment of torsion stress point, increase lifting surface area, reduce the possibility that output assembly work became invalid, extension output assembly's life.
The utility model adopts the technical proposal that: the utility model provides a stromatolite bolt assembled bent axle power take off subassembly, includes bent axle, drive gear, flange, flywheel and a gearbox shaft bearing, the terminal surface laminating of drive gear and bent axle be connected, the terminal surface laminating of flange and drive gear be connected, just the flange pass drive gear and bent axle locking connection through flange fastening bolt, a gearbox shaft bearing pass through the bush and install in the flange, just the bush pass through bush fastening bolt and flange locking connection, the flywheel pass through flywheel fastening bolt and flange locking connection.
As a further improvement, the center of the end face of the crankshaft is provided with a positioning cylinder, and correspondingly, the center of the driving gear is provided with a gear positioning hole.
Furthermore, the center of the end face of the outer side of the driving gear is provided with a positioning flange, and correspondingly, the center of the flange is provided with a flange positioning hole.
Furthermore, an auxiliary fastening bolt is arranged between the driving gear and the crankshaft.
Furthermore, a positioning pin is arranged between the driving gear and the crankshaft.
Furthermore, sealing rings are arranged between the end faces of the driving gear and the crankshaft and between the end faces of the flange and the driving gear.
Furthermore, the end face of the crankshaft is respectively provided with a pin hole, two auxiliary mounting screw holes which are symmetrically arranged and a plurality of gear mounting screw holes which are uniformly arranged.
Further, drive gear on be equipped with two symmetrical arrangement's supplementary countersunk head via hole and a plurality of gear installation via hole of evenly arranging respectively, drive gear medial surface still be equipped with the pin blind hole.
Furthermore, the flange on be equipped with a plurality of flange mounting counter bores of evenly arranging, a plurality of flywheel mounting blind screw of evenly arranging and a plurality of bush installation screw of evenly arranging respectively, the flange outside terminal surface still be equipped with the bush mounting groove, flange mounting counter bore, bush installation screw all set up the bottom surface in this bush mounting groove.
Further, the bush center be equipped with the bearing mounting hole, the bush on still be equipped with a plurality of evenly arranged bush installation counter bores and a plurality of evenly arranged bush dismantlement screw respectively, just bush medial extremity face still be equipped with and step down heavy groove.
Advantageous effects
Compared with the prior art, the utility model, have following advantage:
1. the utility model discloses a stromatolite bolt assembled bent axle power take off subassembly, compact structure, reliable and stable through being connected drive gear and bent axle terminal surface to through the bolt with drive gear, flange, bush and flywheel stromatolite locking on the bent axle, need not to change the axial and the radial dimension of flange, can the rational distribution bent axle moment of torsion stress point, increase lifting surface area, reduce the possibility that output assembly work became invalid, extension output assembly's life.
2. The utility model discloses an all add the sealing washer between the shaft shoulder of drive gear and bent axle, between drive gear and connection pad, make bent axle power take off's inner chamber sealed more reliable.
3. The utility model discloses a gearbox shaft bearing passes through the bush to be installed in the connection pad, and joint strength is higher, and the dismouting of being convenient for is maintained.
Drawings
FIG. 1 is a schematic cross-sectional front view of a prior art;
fig. 2 is a schematic view of the structure of the present invention;
fig. 3 is a schematic diagram of the right-side view structure of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line A-A in FIG. 2;
FIG. 5 is a schematic cross-sectional view of B-B in FIG. 3;
FIG. 6 is an enlarged schematic view of the three-dimensional structure of the flange of the present invention;
FIG. 7 is an enlarged schematic view of the three-dimensional structure of one side of the bushing according to the present invention;
FIG. 8 is an enlarged schematic view of the other side of the bushing according to the present invention;
FIG. 9 is an enlarged schematic view of the three-dimensional front view structure of the crankshaft of the present invention;
FIG. 10 is an enlarged schematic view of the three-dimensional structure of one side of the driving gear according to the present invention;
fig. 11 is an enlarged schematic view of the other side of the driving gear according to the present invention;
fig. 12 is a right-view structural schematic diagram of the connection between the crankshaft and the driving gear according to the present invention;
fig. 13 is a schematic sectional view of F-F in fig. 12.
Wherein: 1-crankshaft, 2-driving gear, 3-flange, 4-flywheel, 5-flat key, 6-gearbox shaft bearing, 7-flange fastening bolt, 8-lining, 9-lining fastening bolt, 10-flywheel fastening bolt, 11-auxiliary fastening bolt, 12-positioning pin, 13-sealing ring, 1 a-positioning cylinder, 1 b-pin hole, 1 c-auxiliary mounting screw hole, 1 d-gear mounting screw hole, 2 a-gear positioning hole, 2 b-positioning flange, 2 c-auxiliary countersunk via hole, 2 d-gear mounting via hole, 2 e-pin blind hole, 3 a-flange positioning hole, 3 b-flange mounting countersunk hole, 3 c-flywheel blind mounting screw hole, 3 d-lining mounting screw hole, 3 d-flywheel mounting screw hole, 3 e-a bushing mounting groove, 8 a-a bearing mounting hole, 8 b-a bushing mounting counter bore, 8 c-a bushing dismounting screw hole and 8 d-a abdicating counter bore.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 2-13, the laminated bolt assembled crankshaft power output assembly of the present invention comprises a crankshaft 1, a driving gear 2, a flange 3, a flywheel 4 and a shaft bearing 6 of a transmission, wherein the driving gear 2 is jointed and connected with the end surface of the crankshaft 1, the flange 3 is jointed and connected with the end surface of the driving gear 2, the flange 3 is connected with the crankshaft 1 through the driving gear 2 by a flange fastening bolt 7 in a locking way, the driving gear 2 and the flange 3 are fastened on the end surface of the crankshaft 1, so that the torque transmitted by the driving gear 2 and the flange 3 is provided by the friction between the end surface of the crankshaft 1 and the driving gear 2, a shaft bearing 6 of the gearbox is arranged in the flange 3 through a bush 8, and the bush 8 is connected with the flange 3 through the bush fastening bolt 9 in a locking manner, so that the connection strength is higher, the disassembly and assembly and the maintenance are convenient, and the flywheel 4 is connected with the flange 3 through the flywheel fastening bolt 10 in a locking manner. The utility model discloses a stromatolite bolt assembled bent axle power take off subassembly, compact structure, reliable and stable through being connected drive gear and bent axle terminal surface to through the bolt with drive gear, flange, bush and flywheel stromatolite locking on the bent axle, need not to change the axial and the radial dimension of flange, can the rational distribution bent axle moment of torsion stress point, increase lifting surface area, reduce the possibility that output assembly work became invalid, extension output assembly's life.
In this embodiment, be equipped with location cylinder 1a in bent axle 1 terminal surface center, correspondingly, be equipped with gear locating hole 2a in drive gear 2 center, location cylinder 1a pegs graft in gear locating hole 2a, realizes bent axle 1 and drive gear 2's quick location installation. The center of the end face of the outer side of the driving gear 2 is provided with a positioning flange 2b, correspondingly, the center of the flange 3 is provided with a flange positioning hole 3a, the positioning flange 2b is inserted into the flange positioning hole 3a, the flange 3 and the driving gear 2 are quickly positioned and installed, and the flange 3, the driving gear 2 and the crankshaft 1 are effectively improved in coaxiality when the flange is quickly assembled through the matching of the positioning cylinder 1a and the gear positioning hole 2a and the matching of the positioning flange 2b and the flange positioning hole 3 a.
Still be equipped with supplementary fastening bolt 11 between drive gear 2 and bent axle 1, when actual assembly, install drive gear 2 pretension on bent axle 1 earlier through supplementary fastening bolt 11 to make things convenient for assembly worker mounting flange 3, ensure assembly safety, and improve assembly efficiency, supplementary fastening bolt 11's setting still plays the effect of further locking drive gear 2 simultaneously. And a positioning pin 12 is also arranged between the driving gear 2 and the crankshaft 1, so that the angle of the driving gear 2 can be quickly positioned, and the gas distribution phase of the engine is ensured. Sealing rings 13 are arranged between the end faces of the driving gear 2 and the crankshaft 1 and between the flange 3 and the end face of the driving gear 2, and the sealing rings are additionally arranged between the driving gear and a shaft shoulder of the crankshaft and between the driving gear and a connecting disc, so that the inner cavity of the power output end of the crankshaft is more reliably sealed. In order to improve the stability of sealing washer 13, all seted up the rectangular channel at the terminal surface of bent axle 1 and the terminal surface of flange 3, sealing washer 13 joint is in this rectangular channel, and the dismouting is very convenient, and the installation is firm.
The end face of the crankshaft 1 is respectively provided with a pin hole 1b, two auxiliary mounting screw holes 1c which are symmetrically arranged and a plurality of gear mounting screw holes 1d which are uniformly arranged, wherein a positioning pin 12 is inserted in the pin hole 1b, an auxiliary fastening bolt 11 penetrates through the driving gear 2 and then is screwed in the auxiliary mounting screw holes 1c, and a flange fastening bolt 7 sequentially penetrates through the flange 3 and the driving gear 2 and then is screwed in the gear mounting screw holes 1 d. Be equipped with two symmetrical arrangement's supplementary countersunk head via hole 2c and a plurality of gear installation via hole 2d of evenly arranging respectively on drive gear 2, still be equipped with pin blind hole 2e at 2 medial surfaces of drive gear, wherein, supplementary fastening bolt 11 is installed in supplementary countersunk head via hole 2c, and flange fastening bolt 7 alternates in gear installation via hole 2d, and locating pin 12 is pegged graft in pin blind hole 2e, realizes the angular positioning to drive gear 2. Be equipped with a plurality of flange mounting counter bores 3b of evenly arranging on flange 3 respectively, a plurality of flywheel mounting blind screw holes 3c of evenly arranging and a plurality of bush installation screw holes 3d of evenly arranging, wherein, flange fastening bolt 7 is installed in flange mounting counter bore 3b, flywheel fastening bolt 10 passes behind flywheel 4 and connects in flywheel mounting blind screw hole 3c soon, bush fastening bolt 9 passes behind bush 8 and connects in bush installation screw hole 3d soon, still be equipped with bush mounting groove 3e at flange 3 outside terminal surface, bush 8 pegs graft and installs in this bush mounting groove 3e, and, flange mounting counter bore 3b, bush installation screw hole 3d all sets up the bottom surface in this bush mounting groove 3e, be convenient for install bush 8. Be equipped with bearing mounting hole 8a at bush 8 center, 6 interference of gearbox shaft bearing are pegged graft in erection column hole 8a, still be equipped with a plurality of evenly arranged bush installation counter bores 8b and a plurality of evenly arranged bush dismantlement screw 8c on bush 8 respectively, wherein, bush fastening bolt 9 is installed in bush installation counter bore 8b, when dismantling bush 8, use the bolt to revolve to connect on bush dismantlement screw 8c, can tear bush 8 out fast, the operation is very convenient, and still be equipped with at bush 8 medial surface and let a heavy groove 8d, reduce area of contact, effectively reduce the influence of the bush mounting groove 3e bottom of flange 3 to the installation of bush 8, eliminate the clearance, make the bush 8 laminate the bottom surface of bush mounting groove 3e more, connect more reliably.
The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.
Claims (10)
1. The utility model provides a stromatolite bolt assembled bent axle power take off subassembly, includes bent axle (1), drive gear (2), flange (3), flywheel (4) and gearbox axle bearing (6), its characterized in that, the terminal surface laminating of drive gear (2) and bent axle (1) be connected, flange (3) be connected with the terminal surface laminating of drive gear (2), just flange (3) pass drive gear (2) through flange fastening bolt (7) and be connected with bent axle (1) locking, gearbox axle bearing (6) install in flange (3) through bush (8), just bush (8) pass through bush fastening bolt (9) and flange (3) locking connection, flywheel (4) pass through flywheel fastening bolt (10) and flange (3) locking connection.
2. The laminated bolt assembled crankshaft power output assembly as claimed in claim 1, wherein the crankshaft (1) is provided with a positioning cylinder (1a) at the center of the end surface, and correspondingly, the driving gear (2) is provided with a gear positioning hole (2a) at the center.
3. A laminated bolt assembly type crankshaft power output assembly as claimed in claim 1, wherein the driving gear (2) is provided with a positioning flange (2b) at the center of the outer end face, and correspondingly, the flange (3) is provided with a flange positioning hole (3a) at the center.
4. A laminated bolt assembled crankshaft power take-off assembly as claimed in claim 1, characterized in that an auxiliary fastening bolt (11) is further provided between the driving gear (2) and the crankshaft (1).
5. The laminated bolt assembled crankshaft power output assembly as claimed in claim 1, characterized in that a positioning pin (12) is further provided between the driving gear (2) and the crankshaft (1).
6. The laminated bolt assembled crankshaft power output assembly as claimed in claim 1, wherein sealing rings (13) are arranged between the driving gear (2) and the end face of the crankshaft (1) and between the flange (3) and the end face of the driving gear (2).
7. The laminated bolt assembled crankshaft power output assembly according to any one of claims 1 to 6, characterized in that the end surface of the crankshaft (1) is respectively provided with a pin hole (1b), two auxiliary mounting screw holes (1c) which are symmetrically arranged and a plurality of gear mounting screw holes (1d) which are uniformly arranged.
8. The laminated bolt assembly type crankshaft power output assembly as claimed in any one of claims 1 to 6, wherein the driving gear (2) is provided with two auxiliary countersunk through holes (2c) which are symmetrically arranged and a plurality of gear mounting through holes (2d) which are uniformly arranged, and the inner side surface of the driving gear (2) is further provided with a pin blind hole (2 e).
9. The laminated bolt assembly type crankshaft power output assembly according to any one of claims 1 to 6, wherein the flange (3) is provided with a plurality of uniformly arranged flange mounting counter bores (3b), a plurality of uniformly arranged flywheel mounting blind screw holes (3c) and a plurality of uniformly arranged bushing mounting screw holes (3d), the flange (3) is further provided with a bushing mounting groove (3e) on the outer end surface, and the flange mounting counter bores (3b) and the bushing mounting screw holes (3d) are respectively formed in the bottom surface of the bushing mounting groove (3 e).
10. The laminated bolt assembly type crankshaft power output assembly according to any one of claims 1 to 6, wherein a bearing mounting hole (8a) is formed in the center of the bushing (8), a plurality of uniformly arranged bushing mounting counter bores (8b) and a plurality of uniformly arranged bushing dismounting screw holes (8c) are formed in the bushing (8), and an abdicating counter bore (8d) is formed in the end surface of the inner side of the bushing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920635990.4U CN210087952U (en) | 2019-05-06 | 2019-05-06 | Laminated bolt assembled crankshaft power output assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920635990.4U CN210087952U (en) | 2019-05-06 | 2019-05-06 | Laminated bolt assembled crankshaft power output assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087952U true CN210087952U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920635990.4U Active CN210087952U (en) | 2019-05-06 | 2019-05-06 | Laminated bolt assembled crankshaft power output assembly |
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| CN (1) | CN210087952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005786A (en) * | 2019-05-06 | 2019-07-12 | 广西玉柴机器股份有限公司 | A kind of lamination bolt assembled crankshaft power output component |
-
2019
- 2019-05-06 CN CN201920635990.4U patent/CN210087952U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005786A (en) * | 2019-05-06 | 2019-07-12 | 广西玉柴机器股份有限公司 | A kind of lamination bolt assembled crankshaft power output component |
| CN110005786B (en) * | 2019-05-06 | 2024-03-26 | 广西玉柴机器股份有限公司 | Laminated bolt assembly type crankshaft power output assembly |
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