CN210178790U - Cross axle with clamping and positioning surfaces of cold-extruded large-specification clamps - Google Patents
Cross axle with clamping and positioning surfaces of cold-extruded large-specification clamps Download PDFInfo
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- CN210178790U CN210178790U CN201921081802.4U CN201921081802U CN210178790U CN 210178790 U CN210178790 U CN 210178790U CN 201921081802 U CN201921081802 U CN 201921081802U CN 210178790 U CN210178790 U CN 210178790U
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- transmission
- cross shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 239000010687 lubricating oil Substances 0.000 claims abstract description 9
- 230000010354 integration Effects 0.000 claims abstract 2
- 239000003921 oil Substances 0.000 claims description 29
- 239000000428 dust Substances 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000000641 cold extrusion Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003739 neck Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model relates to a cross axle of cold crowded big specification clamp cramp locating surface, affiliated cross universal joint technical field, including the hydro-cylinder, the hydro-cylinder both ends all are equipped with the transmission universal joint fork that is the integration with the hydro-cylinder, are equipped with flange formula festival fork on the transmission universal joint fork, are equipped with the cross universal joint between flange formula festival fork and transmission universal joint fork. The cross universal joint comprises a cross shaft body, positioning sink cavities are formed in two end faces of the cross shaft body, a plurality of clamping positioning bosses which are distributed in an equidistant annular mode and integrated with the cross shaft body are arranged between the positioning sink cavities and the cross shaft body, lubricating oil channels which are crossed and communicated are arranged in the cross shaft body, and the lubricating oil channels penetrate through the outer wall of the cross shaft body. Has the characteristics of firm structure, convenient replacement, convenient adjustment and long service life. The problem of heavy truck change transmission shaft inconvenient is solved. The convenience and the operation stability of the transmission shaft for adjusting the length are improved. Avoid the mismatching of transmission shaft length, influence the installation of loading carriage.
Description
Technical Field
The utility model relates to a cross universal joint technical field, concretely relates to cold crowded cross of big specification clamp cramping locating surface.
Background
The cross shaft is also called a cross joint, namely a universal joint, and is a part for realizing variable-angle power transmission, is used for changing the position of a transmission axis direction, and is a joint part of a universal transmission device of an automobile driving system. The cross-shaft type rigid universal joint is a non-constant velocity universal joint widely used on automobiles, and the maximum intersection angle of two adjacent shafts is allowed to be 15-20 degrees. The cross shaft is one of key parts of a cross shaft type rigid universal joint.
The universal joint of the transmission shaft has the defects that shaft necks and bearings are worn and the shaft necks are bent and deformed, so that the central lines of the shafts of the universal joint of the transmission shaft are not on the same plane or the central lines of the two adjacent shafts are not vertical. Because the wear clearance between the universal joint cross shaft journal and the bearing is too large, the cross shaft shakes during operation, so that the central line of the transmission shaft deviates from the rotating central line of the transmission shaft, and the transmission shaft shakes and makes abnormal sound during operation.
There are also heavy truck interchangeable carriages that require universal joint drive shaft changes for better cargo carrying capacity and operational stability. The four-wheel-drive cargo carrying capacity of the heavy truck is realized, and the safety and reliability of the transportation process are ensured.
Disclosure of Invention
The utility model discloses mainly solve and have among the prior art that the change process is complicated, working strength is big and life is short not enough, provide a cross of cold crowded big specification clamp clamping locating surface, it has sound construction, changes the convenience, adjusts convenient and long service life's characteristics. The problem of heavy truck change transmission shaft inconvenient is solved. The convenience and the operation stability of the transmission shaft for adjusting the length are improved. Avoid the mismatching of transmission shaft length, influence the installation of loading carriage.
The above technical problem of the present invention can be solved by the following technical solutions:
the cross shaft comprises an oil cylinder, wherein transmission universal joint forks integrated with the oil cylinder are arranged at two ends of the oil cylinder, a flange type joint fork is arranged on the transmission universal joint forks, and a cross universal joint is arranged between the flange type joint forks and the transmission universal joint forks. The cross universal joint comprises a cross shaft body, positioning sink cavities are formed in two end faces of the cross shaft body, a plurality of clamping and positioning bosses which are distributed in an equidistant annular mode and integrated with the cross shaft body are arranged between the positioning sink cavities and the cross shaft body, lubricating oil channels which are communicated in a crossed mode are formed in the cross shaft body, and the lubricating oil channels penetrate through the outer wall of the cross shaft body.
The quick adjustment of the heavy truck during the replacement of the cargo carrying carriages with different lengths is realized, and the installation process of the cargo carrying carriages influenced by insufficient size is avoided through the expansion of the oil cylinder as long as the flange type joint fork at one end is disassembled and replaced. The labor intensity of workers is saved, and the stock cost of the transmission universal joint fork with the transmission shaft of different specifications and lengths is reduced.
Preferably, four bearing assemblies which are in sealed embedded and sleeved with the cross shaft body are arranged on the cross shaft body, each bearing assembly comprises an outer ring sleeve cap, a plurality of roller pins which are distributed annularly at equal intervals are arranged between the outer ring sleeve cap and the cross shaft body, and a retainer ring which is in embedded and sleeved with the inner wall of the outer ring sleeve cap is arranged between one end of each roller pin and the cross shaft body.
Preferably, a gasket is arranged between the other end of the needle roller and the inner bottom surface of the outer ring sleeve cap. The gasket is used for filling the gap between the roller pin and the outer ring sleeve cap, and the bearing assembly is guaranteed to rotate flexibly and stably.
Preferably, an oil seal is arranged between the retainer ring and the roller pin, and a dust cover which is in snap-fit type nesting with the outer ring sleeve cap is arranged between the retainer ring and the cross shaft body.
Preferably, a gasket is arranged between the oil seal and the needle roller. The gasket prevents the needle from falling or the oil seal from falling, improves the operation stability and prolongs the service life.
Preferably, the oil cylinder is provided with a hydraulic lock communicated with the oil cylinder phase pipeline. The hydraulic lock essentially consists of two pilot operated check valves. The loop is locked, and oil in the loop cannot flow. The hydraulic locks are used for interlocking, and the left oil chamber and the right oil chamber of the oil cylinder are in a static state under the action of the two one-way valves.
Preferably, the clamping positioning boss is of a spherical annular structure.
The utility model discloses can reach following effect:
the utility model provides a cross axle of cold crowded big specification clamp cramp locating surface compares with prior art, has sound construction, changes the convenience, adjusts convenient and long service life's characteristics. The problem of heavy truck change transmission shaft inconvenient is solved. The convenience and the operation stability of the transmission shaft for adjusting the length are improved. Avoid the mismatching of transmission shaft length, influence the installation of loading carriage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a cross universal joint according to the present invention.
Fig. 3 is a structural sectional view of a bearing assembly according to the present invention.
Fig. 4 is a schematic structural view of the cross shaft body of the present invention.
Fig. 5 is a structural sectional view of a cross body in the present invention.
In the figure: the universal joint comprises a flange type joint fork 1, a cross universal joint 2, a transmission universal joint fork 3, an oil cylinder 4, a hydraulic lock 5, a bearing assembly 6, a cross shaft body 7, an outer ring sleeve cap 8, a gasket 9, a roller pin 10, a gasket 11, a dust cover 12, a retainer ring 13, an oil seal 14, a positioning sink cavity 15, a clamping positioning boss 16 and a lubricating oil channel 17.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in figures 1, 2 and 3, the cross shaft with the large-specification clamping and positioning surface for cold extrusion comprises an oil cylinder 4, wherein a hydraulic lock 5 communicated with a pipeline of the oil cylinder 4 is arranged on the oil cylinder 4. Both ends of the oil cylinder 4 are provided with a transmission universal joint fork 3 integrated with the oil cylinder 4, a flange type joint fork 1 is arranged on the transmission universal joint fork 3, and a cross universal joint 2 is arranged between the flange type joint fork 1 and the transmission universal joint fork 3. The universal joint cross 2 comprises a cross shaft body 7, and four bearing assemblies 6 which are hermetically clamped, embedded and sleeved with the cross shaft body 7 are arranged on the cross shaft body 7. Positioning sink cavities 15 are arranged on two end faces of the cross shaft body 7, 4 clamping and positioning bosses 16 which are distributed in an equidistant annular mode and integrated with the cross shaft body 7 are arranged between the positioning sink cavities 15 and the cross shaft body 7, and the clamping and positioning bosses 16 are of a spherical annular structure. A cross-shaped staggered through lubricating oil channel 17 is arranged in the cross shaft body 7, and the lubricating oil channel 17 penetrates through the outer wall of the cross shaft body 7. The bearing assembly 6 comprises an outer ring sleeve cap 8, 36 roller pins 10 which are distributed annularly at equal intervals are arranged between the outer ring sleeve cap 8 and the cross shaft body 7, and a retainer ring 13 which is in clamping and sleeving connection with the inner wall of the outer ring sleeve cap 8 is arranged between one end of each roller pin 10 and the cross shaft body 7. An oil seal 14 is arranged between the retainer ring 13 and the roller pin 10, and a gasket 11 is arranged between the oil seal 14 and the roller pin 10. A dust cover 12 which is embedded with the outer ring sleeve cap 8 in a buckling manner is arranged between the retainer ring 13 and the cross shaft body 7. A gasket 9 is arranged between the other end of the needle roller 10 and the inner bottom surface of the outer ring sleeve cap 8.
In conclusion, the cross shaft with the large-specification cold extrusion clamping locating surface has the advantages of being firm in structure, convenient to replace, adjust and long in service life. The problem of heavy truck change transmission shaft inconvenient is solved. The convenience and the operation stability of the transmission shaft for adjusting the length are improved. Avoid the mismatching of transmission shaft length, influence the installation of loading carriage.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (7)
1. A cross axle of a cold extrusion large specification clamping and positioning surface is characterized in that: the hydraulic cylinder is characterized by comprising an oil cylinder (4), wherein transmission universal joint forks (3) integrated with the oil cylinder (4) are arranged at two ends of the oil cylinder (4), a flange type joint fork (1) is arranged on the transmission universal joint forks (3), and a cross universal joint (2) is arranged between the flange type joint fork (1) and the transmission universal joint forks (3); cross universal joint (2) include cross body (7), cross body (7) both ends on be equipped with location sink chamber (15), location sink chamber (15) and cross body (7) between be equipped with a plurality of equidistant annular distribution and be the tight location boss (16) of clamp of integration with cross body (7), cross body (7) in be equipped with and be the crisscross lubricating oil corridor (17) that link up of cross, lubricating oil corridor (17) run through cross body (7) outer wall.
2. The cross of a cold extruded large format band clamp locating face of claim 1, wherein: the universal joint pin is characterized in that four bearing assemblies (6) which are in sealed embedded and sleeved connection with the universal joint pin body (7) are arranged on the universal joint pin body (7), each bearing assembly (6) comprises an outer ring sleeve cap (8), a plurality of roller pins (10) which are distributed in an equidistant annular mode are arranged between the outer ring sleeve cap (8) and the universal joint pin body (7), and check rings (13) which are in embedded and sleeved connection with the inner wall of the outer ring sleeve cap (8) are arranged between one end of each roller pin (10) and the universal joint pin body (7).
3. The cross of a cold extruded large format band clamp locating face of claim 2, wherein: a gasket (9) is arranged between the other end of the needle roller (10) and the inner bottom surface of the outer ring sleeve cap (8).
4. The cross of a cold extruded large format band clamp locating face of claim 2, wherein: an oil seal (14) is arranged between the retainer ring (13) and the roller pin (10), and a dust cover (12) which is buckled and embedded with the outer ring sleeve cap (8) is arranged between the retainer ring (13) and the cross shaft body (7).
5. The cross of claim 4, wherein the large format band clamp locating surface comprises: and a gasket (11) is arranged between the oil seal (14) and the needle roller (10).
6. The cross of a cold extruded large format band clamp locating face of claim 1, wherein: the oil cylinder (4) is provided with a hydraulic lock (5) communicated with the oil cylinder (4) through a pipeline.
7. The cross of a cold extruded large format band clamp locating face of claim 1, wherein: the clamping and positioning boss (16) is of a spherical annular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081802.4U CN210178790U (en) | 2019-07-11 | 2019-07-11 | Cross axle with clamping and positioning surfaces of cold-extruded large-specification clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081802.4U CN210178790U (en) | 2019-07-11 | 2019-07-11 | Cross axle with clamping and positioning surfaces of cold-extruded large-specification clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210178790U true CN210178790U (en) | 2020-03-24 |
Family
ID=69840786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921081802.4U Active CN210178790U (en) | 2019-07-11 | 2019-07-11 | Cross axle with clamping and positioning surfaces of cold-extruded large-specification clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210178790U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124065A (en) * | 2021-03-09 | 2021-07-16 | 新乡航空工业(集团)有限公司上海分公司 | Spline type steering intermediate shaft mechanism |
| CN114396432A (en) * | 2022-01-25 | 2022-04-26 | 广东皓耘科技有限公司 | Universal joint transmission device and automatic lubrication control system |
-
2019
- 2019-07-11 CN CN201921081802.4U patent/CN210178790U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124065A (en) * | 2021-03-09 | 2021-07-16 | 新乡航空工业(集团)有限公司上海分公司 | Spline type steering intermediate shaft mechanism |
| CN114396432A (en) * | 2022-01-25 | 2022-04-26 | 广东皓耘科技有限公司 | Universal joint transmission device and automatic lubrication control system |
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Address after: 311243 Sanying Industrial Zone, Guali Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Qianfu Transmission Co.,Ltd. Country or region after: China Address before: 311243 Sanying Industrial Zone, Guali Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang Qianfu universal joint Co.,Ltd. Country or region before: China |