CN209959828U - Sliding crankshaft transmission device - Google Patents
Sliding crankshaft transmission device Download PDFInfo
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- CN209959828U CN209959828U CN201920667039.7U CN201920667039U CN209959828U CN 209959828 U CN209959828 U CN 209959828U CN 201920667039 U CN201920667039 U CN 201920667039U CN 209959828 U CN209959828 U CN 209959828U
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- crankshaft
- crank
- supporting seat
- shaft sleeve
- sliding
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a sliding crankshaft transmission device, which comprises a crankshaft and a pair of crankshaft supporting devices; the middle section of the crankshaft comprises a connecting rod journal, a main journal and a crank, and the crank and the main journal are positioned on two sides of the connecting rod journal; the crankshaft supporting devices are symmetrically arranged on the main journal and are close to the crank; the crankshaft supporting device comprises a supporting seat and a shaft sleeve, the supporting seat is fixedly arranged on the rack, an installation hole is formed in the supporting seat, and the shaft sleeve is rotatably inserted in the supporting seat; an oil filling hole is formed in the supporting seat and communicated with the mounting hole; the position of the shaft sleeve corresponding to the oil filling hole is provided with a shaft sleeve oil filling hole. The utility model discloses the slidingtype crankshaft drive who obtains utilizes sliding construction to replace antifriction bearing, through lubricated liquid supplementary, when obtaining good axial, radial support, possesses better wear-resisting, impact resistance, and transmission has longer life and lower maintenance cost.
Description
Technical Field
The utility model relates to a production facility, especially a slidingtype crankshaft drive.
Background
In the upsetting mechanism of the traditional cold header, crankshaft transmission is a mainstream transmission mode, a crankshaft inevitably receives repeated action of large impact force in the upsetting process, and a traditional rolling bearing is easy to damage under the action of repeated radial force, so that the service life of the bearing is short, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a slidingtype crankshaft drive of intensity height, shock-resistant in order to solve above-mentioned prior art not enough.
In order to achieve the above object, the present invention provides a sliding crankshaft transmission device, which includes a crankshaft and a pair of crankshaft supporting devices; the middle section of the crankshaft comprises a connecting rod journal, a main journal and cranks, and the cranks are positioned on two sides of the connecting rod journal; the crankshaft supporting devices are symmetrically arranged on the main journals at two sides of the crankshaft connecting rod journal and are close to the crank; the crankshaft supporting device comprises a supporting seat and a shaft sleeve, wherein the supporting seat is fixedly arranged on the rack, an installation hole is formed in the supporting seat, and the shaft sleeve is rotatably inserted in the supporting seat; an oil filling hole is formed in the supporting seat and communicated with the mounting hole; the position of the shaft sleeve corresponding to the oil filling hole is provided with a shaft sleeve oil filling hole.
In order to provide axial support for the crankshaft, one side of the shaft sleeve, which is close to the connecting rod journal, is provided with a flange, the flange is provided with an oil guide hole, and a gap with the size of 0.30mm ~ 0.35.35 mm is reserved between the flange and the crank in the operation process.
In order to form an oil film to enable the crankshaft to run smoothly, an oil groove is formed on the contact side of the shaft sleeve and the crankshaft.
In order to reduce the load of the crankshaft support device, a bracket is further arranged at the end part of the crankshaft, one end of the bracket is rotatably connected with the crankshaft, and the other end of the bracket is supported on the rack through an adjusting cushion block capable of adjusting the height of the bracket.
The utility model discloses the slidingtype crankshaft drive who obtains utilizes sliding construction to replace traditional antifriction bearing, and through lubricated liquid supplementary at the operation in-process, when obtaining good axial, radial support, possesses better wear-resisting, impact resistance and radiating effect, and transmission has longer life and lower maintenance cost.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the sliding type crankshaft transmission device of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic structural view of embodiment 2 of the sliding type crank transmission of the present invention.
In the figure: crankshaft 1, crankshaft support device 2, supporting seat 3, shaft sleeve 4, frame 5, bracket 6, adjusting cushion block 7, connecting rod journal 10, crank 11, mounting hole 12, oil filler point 13, shaft sleeve oil filler point 14, flange 15, oil guide hole 16, oil groove 17, gap 18 and main journal 19.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1:
the sliding crankshaft transmission described in the present embodiment, as shown in fig. 1 and fig. 2, includes a crankshaft 1 and a pair of crankshaft supporting devices 2; the middle section of the crankshaft 1 comprises a connecting rod journal 10, a main journal 19 and a crank 11, wherein the crank 11 is positioned at two sides of the connecting rod journal 10; the crankshaft supporting device 2 is symmetrically arranged on main journals 19 at two sides of a connecting rod journal 10 of the crankshaft 1 and is close to the crank 11; the crankshaft supporting device 2 comprises a supporting seat 3 and a shaft sleeve 4, the supporting seat 3 is fixedly arranged on a rack 5, a mounting hole 12 is formed in the supporting seat 3, and the shaft sleeve 4 is rotatably inserted in the supporting seat 3; an oil filling hole 13 is formed in the support seat 3, and the oil filling hole 13 is communicated with the mounting hole 12; a sleeve oil filling hole 14 is formed in the sleeve 4 at a position corresponding to the oil filling hole 13.
In order to provide axial support for the crankshaft 1, as shown in fig. 2, the side of the shaft sleeve 4 close to the connecting rod journal 10 is provided with a flange 15, the flange 15 is provided with an oil guide hole 16, and the size of a gap 18 between the flange 15 and the crank 11 during operation can be 0.30mm ~ 0.35.35 mm.
In order to form an oil film to smoothly operate the crankshaft 1, as shown in fig. 2, an oil groove 17 is provided on the contact side of the sleeve 4 and the crankshaft 1.
In the actual work process, when bent axle 1 rotated, through oiling in to oil filler point 13, lubricating oil will form the oil film in space 18 and oil groove 17 department, play the lubricated effect of support to bent axle 1, and through oil circulation, can also play heat dissipation cooling effect to bent axle 1, reduce bent axle 1 because of the high temperature that strikes and friction caused, prolong bent axle 1's life.
The sliding type crankshaft transmission device provided by the embodiment utilizes a sliding structure to replace a traditional rolling bearing, good axial and radial support is obtained through the assistance of lubricating liquid in the operation process, and meanwhile, the sliding type crankshaft transmission device has better wear resistance and impact resistance, and has longer service life and lower maintenance cost.
Example 2:
in the sliding type crank transmission described in this embodiment, as shown in fig. 3, in addition to the features described in embodiment 1, in order to reduce the load of the crank supporting device 2, a bracket 6 is further provided at an end of the crank shaft 1, one end of the bracket 6 is rotatably connected to the crank shaft 1, and the other end is supported on a frame by an adjusting pad 7 capable of adjusting the height of the bracket 6.
The sliding type crankshaft transmission device provided by the embodiment reduces the load of the shaft sleeve 4 by adding the bracket 6, thereby further prolonging the service life of the sliding type crankshaft transmission device and reducing the maintenance cost.
Claims (5)
1. A sliding crankshaft transmission device comprises a crankshaft (1) and a pair of crankshaft supporting devices (2); the middle section of the crankshaft (1) comprises a connecting rod journal (10), a main journal (19) and a crank (11), and the crank (11) is positioned on two sides of the connecting rod journal (10); the crankshaft support device (2) is symmetrically arranged on main journals (19) on two sides of a connecting rod journal (10) and is close to a crank (11); the crankshaft supporting device (2) comprises a supporting seat (3) and a shaft sleeve (4), the supporting seat (3) is fixedly installed on a rack (5), an installation hole (12) is formed in the supporting seat (3), and the shaft sleeve (4) is rotatably inserted into the supporting seat (3); an oil filling hole (13) is formed in the supporting seat (3), and the oil filling hole (13) is communicated with the mounting hole (12); a shaft sleeve oil filling hole (14) is formed in the position, corresponding to the oil filling hole (13), of the shaft sleeve (4).
2. The sliding crankshaft transmission according to claim 1, characterized in that the side of the sleeve (4) close to the connecting rod journal (10) is provided with a flange (15), the flange (15) is provided with oil guide holes (16), and a gap (18) with a size of 0.30mm ~ 0.35mm is left between the flange (15) and the crank (11) during operation.
3. A sliding crankshaft transmission according to claim 1 or 2, characterized in that the side of the sleeve (4) in contact with the crankshaft (1) is provided with oil grooves (17).
4. A sliding crank transmission according to claim 1 or 2, characterized in that a bracket (6) is arranged at the end of the crank shaft (1), one end of the bracket (6) being rotatably connected to the crank shaft (1) and the other end being supported on the frame by means of an adjusting spacer (7) which can adjust the height of the bracket (6).
5. A sliding crank transmission according to claim 3, characterized in that a bracket (6) is arranged at the end of the crank shaft (1), one end of the bracket (6) being rotatably connected to the crank shaft (1) and the other end being supported on the frame by means of an adjusting spacer (7) which can adjust the height of the bracket (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920667039.7U CN209959828U (en) | 2019-05-10 | 2019-05-10 | Sliding crankshaft transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920667039.7U CN209959828U (en) | 2019-05-10 | 2019-05-10 | Sliding crankshaft transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959828U true CN209959828U (en) | 2020-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920667039.7U Active CN209959828U (en) | 2019-05-10 | 2019-05-10 | Sliding crankshaft transmission device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209959828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378236A (en) * | 2021-12-21 | 2022-04-22 | 青岛宏达锻压机械有限公司 | A die forging press crankshaft connecting rod structure and die forging press |
-
2019
- 2019-05-10 CN CN201920667039.7U patent/CN209959828U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378236A (en) * | 2021-12-21 | 2022-04-22 | 青岛宏达锻压机械有限公司 | A die forging press crankshaft connecting rod structure and die forging press |
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| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: No. 699 Jinghua Road, High tech Zone, Ningbo City, Zhejiang Province, 315103 Patentee after: SIJIN INTELLIGENT FORMING MACHINERY CO.,LTD. Address before: No.1832 Jiangnan Road, national high tech Zone, Ningbo, Zhejiang 315103 Patentee before: SIJIN INTELLIGENT FORMING MACHINERY CO.,LTD. |