CN215257453U - Combined wear-resistant ball joint fork - Google Patents
Combined wear-resistant ball joint fork Download PDFInfo
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- CN215257453U CN215257453U CN202121047827.XU CN202121047827U CN215257453U CN 215257453 U CN215257453 U CN 215257453U CN 202121047827 U CN202121047827 U CN 202121047827U CN 215257453 U CN215257453 U CN 215257453U
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- yoke
- cylinder
- contact surface
- ball joint
- yoke body
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Abstract
The utility model provides a combined type wear-resistant ball joint yoke, which comprises a yoke body, wherein one end of the yoke body is provided with a spline hole, one end of the yoke body, which is far away from the spline hole, is provided with a cylinder, the cylinder and the spline hole are coaxial with the yoke body, the end part of the cylinder is provided with a protruding part, one end of the cylinder, which is far away from the protruding part, is provided with a limiting part, a ball sleeve is arranged on the cylinder, the ball sleeve is provided with a first contact surface and a second contact surface, the first contact surface of the ball sleeve passes through the limiting part for positioning, the protruding part is provided with a flanging for fixing through machine tool punching, the second contact surface is combined with the yoke body and the yoke ball joint, the yoke body adopts No. 45 steel, the yoke ball joint adopts 40CrNiMo or 42CrMo medium carbon low alloy steel, the yoke body and the yoke ball joint adopt two different materials, so that the wear resistance of the spherical surface reaches the ideal requirement, the production cost is reduced, and the product quality is improved.
Description
Technical Field
The utility model belongs to the transmission shaft field, concretely relates to modular wear-resisting bulb festival fork.
Background
The transmission shaft transmits the power of tractor to rotary cultivator, the lawn mower, the bundling machine, blue or green agricultural machine such as machine of storing up, seeder, wide angle drive mechanism installs on the transmission shaft, realize the deflection of transmission shaft, the wide angle transmission shaft assembly of using in the existing market, two universal ball parts pass through the sphere cooperation with the ball cover respectively, universal ball part is at the ball cover internal rotation when the yoke is rotatory, still keep the transmission, thereby realize wide angle transmission, current yoke bulb and yoke integration machine-shaping, the processing degree of difficulty is big, the yoke is the part of a surface hardening sphere contact, receive the restriction of whole material, sphere wear resistance can not reach the ideal requirement, the heat treatment degree of difficulty is big, in case the sphere wearing and tearing, whole yoke is scrapped, the consume is big.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough that prior art exists, the utility model provides a modular wear-resisting bulb festival fork.
The utility model provides a combined type wear-resistant ball joint yoke, which comprises a yoke body, wherein a pair of bearing holes are arranged on the yoke body, a spline hole is arranged at one end of the yoke body, the bearing hole is coaxial and is vertical to the spline hole, a cylinder is arranged at one end of the yoke body, which is far away from the spline hole, the cylinder and the spline hole are coaxial with the yoke body,
the cylinder tip is provided with the protruding portion, the one end that the protruding portion was kept away from to the cylinder is provided with spacing portion, be provided with the ball cover on the cylinder, be provided with the hole in the ball cover with the cylinder cooperation is connected, the ball cover sets up first contact surface, second contact surface, the first contact surface of ball cover passes through spacing portion location, the protruding portion sets up out the turn-ups through the lathe punching press and fixes the second contact surface.
Further, the fit clearance between the inner hole and the cylinder is +/-0.01 mm.
Furthermore, the yoke body is made of No. 45 steel, the manufacturing process is blank forging forming, and the cylinder, the protruding portion and the limiting portion are machined in place.
Furthermore, the outer surface treatment process of the yoke body is induction heat treatment.
Furthermore, the ball sleeve is made of 40CrNiMo and 42CrMo medium-carbon low-alloy steel and is subjected to an integral quenching process.
Further, the length of the ball sleeve is equal to the processing length of the cylinder minus the width of the protruding part.
Furthermore, a flanging is reserved during the processing of the protruding part to fix the second contact surface.
Has the advantages that: the utility model discloses a section fork body and section fork bulb combination mode, section fork body adopt 45 steel, and section fork bulb adopts the medium carbon low alloy steel of 40CrNiMo or 42CrMo, and section fork body and section fork bulb adopt the material of two kinds of differences, make the wear resistance of sphere reach the requirement of ideal, have reduced manufacturing cost, have improved the quality of product.
Under the action of alternating loads and impact loads such as torsion and bending, the surface layer of the joint fork ball bears higher stress than the core part, the joint fork is required to be integrally quenched originally, the existing combined joint fork can meet the original product requirement only by quenching the joint fork ball, the heat treatment cost is greatly reduced, the use requirement is also met, the service life of the joint fork is prolonged, the use requirement of the market on the joint fork is met, the transmission is stable and reliable, the performance is stable, and the reliability is high.
Drawings
FIG. 1 is a block diagram of a yoke in the prior art in a propeller shaft;
FIG. 2 is the utility model provides a pair of half-section view of the yoke body of the combined type wear-resistant ball joint yoke
FIG. 3 is a cross-sectional view of a ball sleeve of a combined wear-resistant ball joint yoke according to the present invention;
FIG. 4 is a half sectional view of a combined wear-resistant ball joint yoke according to the present invention;
FIG. 5 is a partially enlarged view of a flanged edge of the combined wear-resistant ball joint yoke provided by the present invention,
in the figure: the section fork body of 1, 2 splined holes, 3 cylinders, 301 protruding portion, the spacing portion of 302, 4 ball covers, 401 holes, 402 first contact surface, 403 second contact surface, 5 turn-ups, 6 dead eye.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 2-5, the utility model provides a combined wear-resistant ball joint yoke, which comprises a yoke body 1, wherein a pair of bearing holes 6 are arranged on the yoke body 1, a spline hole 2 is arranged at one end of the yoke body 1, the bearing holes 6 are coaxial and perpendicular to the spline hole 2, a cylinder 3 is arranged at one end of the yoke body 1 far from the spline hole 2, the cylinder 3 and the spline hole 2 are coaxial with the yoke body 1,
3 tip of cylinder is provided with protruding portion 301, the one end that protruding portion 301 was kept away from to cylinder 3 is provided with spacing portion 302, be provided with ball cover 4 on the cylinder 3, be provided with in the ball cover 4 the hole 401 with 3 cooperations of cylinder are connected, ball cover 4 sets up first contact surface 402, second contact surface 403, the first contact surface 402 of ball cover 4 passes through spacing portion 302 location, protruding portion 301 sets up out turn-ups 5 through the lathe punching press and fixes second contact surface 403 makes ball cover 4 with festival fork body 1 fixed connection.
In practical application, the fit clearance between the inner hole 401 and the cylinder 3 is ± 0.01 mm.
In practical application, the yoke body 1 is made of No. 45 steel, the manufacturing process is blank forging forming, and the cylinder 3, the protruding portion 301 and the limiting portion 302 are machined in place by a lathe.
In practical application, the outer surface treatment process of the yoke body 1 is induction heat treatment, so that the brittleness of the yoke body 1 is reduced, and the toughness is improved.
In practical application, the ball sleeve 4 is made of 40CrNiMo and 42CrMo medium-carbon low-alloy steel, and an integral quenching process is adopted, so that the integral hardness and the fatigue strength of the ball sleeve 4 are improved, and the ball sleeve has a longer wear-resistant life.
In practical application, the length of the ball sleeve 4 is equal to the length of the cylindrical body 3 minus the width of the protruding portion 301, so that the protruding portion 301 can be completely turned over onto the second contact surface 403 of the ball sleeve 4, and the contact area and strength are increased.
In practical applications, the protruding portion 301 is processed to leave the flange 5 to fix the second contact surface 403.
The foregoing shows and describes the general principles, essential features and advantages of the present invention, with the understanding that the foregoing and following descriptions, as well as the appended drawings, are intended to illustrate and not limit the scope of the invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (7)
1. The utility model provides a modular wear-resisting bulb yoke, includes yoke body (1), be provided with a pair of dead eye (6) on yoke body (1), yoke body (1) one end is provided with splined hole (2), dead eye (6) coaxial and with splined hole (2) are perpendicular, its characterized in that: a cylinder (3) is arranged at one end of the yoke body (1) far away from the spline hole (2), the cylinder (3) and the spline hole (2) are coaxial with the yoke body (1),
cylinder (3) tip is provided with protruding portion (301), the one end that protruding portion (301) were kept away from in cylinder (3) is provided with spacing portion (302), be provided with ball cover (4) on cylinder (3), be provided with in ball cover (4) hole (401) with cylinder (3) cooperation is connected, ball cover (4) set up first contact surface (402), second contact surface (403), ball cover (4) first contact surface (402) pass through spacing portion (302) location, protruding portion (301) set up out turn-ups (5) through the lathe punching press and fix second contact surface (403).
2. A modular wear-resistant ball joint yoke as defined in claim 1, wherein: the fit clearance between the inner hole (401) and the cylinder (3) is +/-0.01 mm.
3. A modular wear-resistant ball joint yoke as claimed in claim 1 or 2, wherein: the joint fork body (1) is made of No. 45 steel, the manufacturing process is blank forging forming, and the cylinder (3), the protruding portion (301) and the limiting portion (302) are machined in place by a lathe.
4. A modular wear-resistant ball joint yoke as defined in claim 3, wherein: the outer surface treatment process of the yoke body (1) is induction heat treatment.
5. The modular wear-resistant ball joint yoke of claim 4, wherein: the ball sleeve (4) is made of medium-carbon low-alloy steel of 40CrNiMo and 42CrMo, and an integral quenching process is adopted.
6. A modular wear-resistant ball joint yoke as defined in claim 5, wherein: the length of the ball sleeve (4) is equal to the processing length of the cylinder (3) minus the width of the protruding part (301).
7. A modular wear-resistant ball joint yoke as defined in claim 6, wherein: and a flange (5) is reserved during the processing of the protruding part (301) to fix the second contact surface (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121047827.XU CN215257453U (en) | 2021-05-15 | 2021-05-15 | Combined wear-resistant ball joint fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121047827.XU CN215257453U (en) | 2021-05-15 | 2021-05-15 | Combined wear-resistant ball joint fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215257453U true CN215257453U (en) | 2021-12-21 |
Family
ID=79456885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121047827.XU Active CN215257453U (en) | 2021-05-15 | 2021-05-15 | Combined wear-resistant ball joint fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215257453U (en) |
-
2021
- 2021-05-15 CN CN202121047827.XU patent/CN215257453U/en active Active
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