CN216895315U

CN216895315U - High-strength long-life truck cross shaft

Info

Publication number: CN216895315U
Application number: CN202220466222.2U
Authority: CN
Inventors: 蒋亨杰; 龙琦琳; 李学梅
Original assignee: Hubei Hongyan Car Bridge Co ltd
Current assignee: Hubei Hongyan Car Bridge Co ltd
Priority date: 2022-03-05
Filing date: 2022-03-05
Publication date: 2022-07-05
Anticipated expiration: 2032-03-05

Abstract

The utility model provides a high-strength long-life truck cross shaft, which relates to the technical field of cross shafts and comprises a device body; the bearing fixing device is characterized in that a bearing fixing cylinder which is through up and down is arranged in the middle of the device body, contact planes are arranged on the periphery of the outer portion of the bearing fixing cylinder all around, through holes which penetrate through the bearing fixing cylinder are formed in the center of the contact plane, the bearing fixing cylinder is arranged in the bearing fixing cylinder, a bearing cross is convenient to place in the bearing fixing cylinder, the bearing fixing shaft can penetrate through the bearing cross, force received by the bearing fixing shaft is dispersed, a split structure is formed, the problem that the cross is of an integrated structure is solved, when shaft necks are abraded seriously, the bearing fixing cylinder needs to be integrally replaced, and the bearing fixing device is inconvenient to bear all parts to form the split structure through the bearing cylinder.

Description

High-strength long-life truck cross shaft

Technical Field

The utility model belongs to the technical field of cross shafts, and particularly relates to a high-strength long-life truck cross shaft.

Background

The cross shaft, also known as a cross joint, is a machine part for realizing variable-angle power transmission, is used for changing the position of the direction of a transmission axis, and is a joint part of a universal transmission device of an automobile driving system.

Based on the above, the inventor finds that the conventional high-strength long-life truck cross axle has the following defects:

1. the cross shaft is of an integrated structure, and when the shaft neck is seriously abraded, the whole cross shaft needs to be replaced, so that each part is inconvenient to bear through the bearing cylinder to form a split structure;

2. the universal joint pin is of an integrated structure, so that the stress position between the shaft neck and the main body is easy to break, and the shaft neck is inconvenient to penetrate through the bearing cylinder and is fixed on the inner universal joint pin to disperse stress points.

In view of the above, the present invention provides a truck cross axle with high strength and long service life, which is improved in view of the conventional structure and defects, so as to achieve the purpose of being more practical.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a high-strength long-life truck cross shaft, which aims to solve the problems that the conventional cross shaft is of an integrated structure, and when a shaft neck is seriously worn, the whole cross shaft needs to be replaced, so that each part is inconvenient to bear through a bearing cylinder to form a split structure; the universal joint pin is of an integrated structure, so that the stress position between the shaft neck and the main body is easy to break, and the shaft neck cannot conveniently penetrate through the bearing cylinder to be fixed on the inner universal joint pin to disperse stress points.

The utility model relates to a high-strength long-life truck cross shaft, which is achieved by the following specific technical means:

a high-strength long-life truck cross shaft comprises a device body;

the device body middle is provided with a bearing fixed cylinder which is run through from top to bottom, the outer circumference of the bearing fixed cylinder is provided with contact planes all around, and the center of the contact plane of the bearing fixed cylinder is provided with a through hole which runs through from inside to outside.

Furthermore, the upper part and the lower part of the bearing cross are provided with anti-falling cross plates through locking threaded columns, the centers of the anti-falling cross plates are provided with bearing columns, the outer end faces of the bearing columns penetrate through stepped holes from top to bottom, the outer circumference of the bearing columns of the anti-falling cross plates are annularly arrayed to form four vertical plates, the middles of the inner end faces of the vertical plates of the anti-falling cross plates are provided with conjunction grooves, and the outer end parts of the conjunction grooves of the anti-falling cross plates are provided with insertion strips.

Furthermore, locking thread columns are installed on the upper portion and the lower portion of the threaded hole of the bearing cross, thread columns are arranged on the inner sides of the locking thread columns, compression columns are arranged at the outer side ends of the thread columns of the locking thread columns, and regular triangle grooves are formed in the outer side end faces of the compression columns of the locking thread columns.

Further, all the cover is equipped with in the middle of the outside circumference of bearing fixed axle and splines and consolidate a section of thick bamboo, splines and consolidate an inside circumference and all be provided with the strip that splines from top to bottom, splines and consolidate a section of thick bamboo outside circumference and all seted up anticreep bar groove from top to bottom, splines and consolidate a section of thick bamboo outside circumference both sides and all be provided with trapezoidal strengthening rib.

Furthermore, all install the bearing fixed axle on the screw thread post of bearing the cross, the bearing fixed axle all passes the clearing hole of bearing the fixed section of thick bamboo, and threaded blind hole has been seted up to bearing fixed axle medial surface, and regular hexagon groove has been seted up to bearing fixed axle outside terminal surface, and the bar groove that outwards link up has all been seted up from top to bottom to bearing fixed axle outside end.

Furthermore, a bearing cross is arranged in the center of the interior of the bearing fixing cylinder, threaded columns are arranged on the front, rear, left and right end faces of the bearing cross, and threaded holes which penetrate through the bearing cross from top to bottom are formed in the center of the bearing cross.

Compared with the prior art, the utility model has the following beneficial effects:

bear the setting of a fixed section of thick bamboo, conveniently bear the cross and place in inside, make things convenient for the bearing fixed axle to pass and install on bearing the cross, the power that the dispersion bearing fixed axle received forms split type structure from this, has solved cross formula structure as an organic whole, need wholly change when the shaft neck wearing and tearing are serious, and inconvenient bears the problem that forms split type structure to each part through bearing the section of thick bamboo.

The bearing cross is arranged, so that the bearing fixing shaft can be conveniently installed through threads, the anti-falling cross plate can be conveniently installed through the locking threaded column, the bearing fixing shaft is conveniently matched with the bearing fixing barrel to bear the stress of the bearing fixing shaft, the problem that the stress between the shaft neck and the main body is easy to break due to the fact that the cross shaft is of an integrated structure is solved, and the shaft neck is inconvenient to penetrate through the bearing barrel and is fixed on the inner cross to disperse stress points is solved.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic cross-sectional structure of the present invention.

Fig. 4 is a disassembled structure schematic diagram of the utility model.

In the figure: 1. a device body; 2. a load bearing fixed cylinder; 3. a load-bearing cross; 4. a bearing fixing shaft; 5. a rotation stopping reinforcing cylinder; 6. locking the threaded column; 7. anti-drop cross board.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a high-strength long-life truck cross shaft, which comprises a device body 1;

the middle of the device body 1 is provided with a bearing fixed cylinder 2 which is communicated up and down, so that each part can be conveniently installed, the outer circumference of the bearing fixed cylinder 2 is provided with contact planes at the front, back, left and right sides, so that the bearing fixed cylinder can be conveniently contacted with the inner side end surface of the rotation stopping reinforcing cylinder 5, the center of the contact plane of the bearing fixed cylinder 2 is provided with a through hole which is communicated with the inside and the outside, so that a bearing fixed shaft 4 can conveniently pass through, the center of the inside of the bearing fixed cylinder 2 is provided with a bearing cross 3, so that the bearing fixed shaft 4 can be conveniently installed through screw threads, the front, back, left and right end surfaces of the bearing cross 3 are provided with screw thread columns, so that the bearing fixed shaft 4 can be conveniently stressed, and the bearing fixed shaft 4 can pass through the through hole of the bearing fixed cylinder 2, conveniently carry out the atress, the threaded blind hole has been seted up to 4 medial surfaces of bearing fixed axle, and the convenient screw thread dismouting that passes through, regular hexagon groove has been seted up to 4 outside terminal surfaces of bearing fixed axle, and the convenience rotates through the instrument, and the bar groove that outwards link up all is seted up about 4 outside ends of bearing fixed axle, and the convenient 5 suit of a reinforcement section of thick bamboo that splines are turned over.

Wherein, the middle of the outer circumference of the bearing fixed shaft 4 is sleeved with a rotation stopping reinforcing cylinder 5, which is convenient for reinforcing the stress point, the upper and lower parts of the inner circumference of the rotation stopping reinforcing cylinder 5 are provided with rotation stopping strips, which are convenient for rotation stopping, the upper and lower parts of the outer circumference of the rotation stopping reinforcing cylinder 5 are provided with anti-falling strip grooves, which are convenient for anti-falling and rotation stopping through an anti-falling cross plate 7, the two sides of the outer circumference of the rotation stopping reinforcing cylinder 5 are provided with trapezoidal reinforcing ribs, which are convenient for enhancing the stress capability, the upper and lower parts of the threaded hole of the bearing cross 3 are provided with locking threaded columns 6, which are convenient for locking the anti-falling cross plate 7, the inner sides of the locking threaded columns 6 are provided with threaded columns, which are convenient for disassembly through threads, the outer side end parts of the threaded columns 6 are provided with pressing columns, which are convenient for inserting special tools for rotation disassembly, bear 3 all from top to bottom of cross and install anticreep cross 7 through locking screw post 6 locking, the convenience is carried out the anticreep to spline reinforcement section of thick bamboo 5, anticreep cross 7 center is provided with the support post that runs through the shoulder hole from top to bottom in the outside terminal surface area, it is convenient to fix through locking screw post 6, the outside circumference annular array of support post of anticreep cross 7 is provided with the riser of four places, the atress that cross 3 was born in the convenient dispersion, be provided with in the middle of the riser medial surface of anticreep cross 7 and agree with the groove, conveniently agree with each other with 2 terminal surfaces of bearing the fixed section of thick bamboo, the groove outside end portion of agreeing with of anticreep cross 7 is provided with and inserts the strip, conveniently insert spline reinforcement section of thick bamboo 5 and carry out the spline and the anticreep.

The specific use mode and function of the embodiment are as follows:

in the present invention, as shown in fig. 1, the apparatus body 1 is in an assembled state, and the apparatus body 1 is mounted between shaft forks; when the bearing fixing cylinder is assembled, the bearing fixing cylinder 2 is taken out, the bearing cross 3 is placed inside the bearing fixing cylinder 2, the bearing fixing shaft 4 penetrates through a through hole of the bearing fixing cylinder 2, the bearing fixing shaft 4 is installed on a threaded column of the bearing cross 3 through threads, the rotation stopping reinforcing cylinder 5 is sleeved on the outer circumference of the bearing fixing shaft 4, the anti-falling cross plate 7 is installed on the bearing cross 3 through the locking threaded column 6, an insertion strip of the anti-falling cross plate 7 is inserted into an anti-falling strip-shaped groove of the rotation stopping reinforcing cylinder 5, the rotation stopping reinforcing cylinder 5 is prevented from falling and rotating through the anti-falling cross plate 7, and therefore the bearing fixing shaft 4 is stopped from rotating through the rotation stopping reinforcing cylinder 5; the bearing fixing barrel 2 is convenient for the bearing cross 3 to be placed in the bearing fixing barrel, the bearing fixing shaft 4 is convenient to penetrate through the bearing cross 3 to be installed on the bearing cross 3, and the force borne by the bearing fixing shaft 4 is dispersed, so that a split structure is formed, and the problems that the cross shaft is of an integrated structure, when a shaft neck is seriously abraded, the whole bearing fixing barrel needs to be integrally replaced, and each part is inconvenient to bear through the bearing barrel to form the split structure are solved; wherein bear cross 3 and make things convenient for bearing fixed axle 4 to pass through the screw thread installation, make things convenient for anticreep cross 7 to pass through locking screw thread post 6 installations, convenient and bear the weight of the atress that fixed cylinder 2 cooperation bore bearing fixed axle 4, solved cross formula structure as an organic whole, lead to easy fracture of atress department between axle journal and the main part, inconvenient axle journal passes the bearing cylinder and fixes the problem of dispersion stress point on inside cross.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a high strength long-life truck cross, its characterized in that: comprises a device body (1);

the device is characterized in that a bearing fixed cylinder (2) which is through up and down is arranged in the middle of the device body (1), contact planes are arranged on the periphery of the outer portion of the bearing fixed cylinder (2) all around, and through holes which are through inside and outside are formed in the center of each contact plane of the bearing fixed cylinder (2).

2. A high strength long life truck spider as set forth in claim 1 wherein: the bearing fixing barrel (2) is characterized in that a bearing cross (3) is arranged in the center inside the bearing fixing barrel (2), threaded columns are arranged on the front, rear, left and right end faces of the bearing cross (3), and threaded holes which penetrate through the bearing cross (3) from top to bottom are formed in the center of the bearing cross.

3. A high strength long life truck spider as set forth in claim 2 wherein: bearing fixed axle (4) all are installed on the screw thread post that bears cross (3), and bearing fixed axle (4) all pass the clearing hole that bears fixed section of thick bamboo (2), and threaded blind hole has been seted up to bearing fixed axle (4) medial extremity, and regular hexagon groove has been seted up to bearing fixed axle (4) outside terminal surface, and the bar groove that outwards link up has all been seted up from top to bottom to bearing fixed axle (4) outside end.

4. A high strength long life truck spider as set forth in claim 3 wherein: all the cover is equipped with in the middle of bearing fixed axle (4) outside circumference and ends and change and consolidate a section of thick bamboo (5), ends and all be provided with the strip that ends from top to bottom that changes and consolidate a section of thick bamboo (5) inside circumference, ends and change and consolidate a section of thick bamboo (5) outside circumference and all seted up anticreep bar groove from top to bottom, ends and change and consolidate a section of thick bamboo (5) outside circumference both sides and all be provided with trapezoidal strengthening rib.

5. A high strength long life truck spider as set forth in claim 3 wherein: locking thread post (6) are all installed from top to bottom to the screw hole that bears cross (3), and locking thread post (6) inboard is provided with the screw thread post, and the screw thread post outside end of locking thread post (6) is provided with and compresses tightly the post, and regular triangle groove has been seted up to the post outside terminal surface that compresses tightly of locking thread post (6).

6. A high strength long life truck spider as set forth in claim 5 wherein: the anti-falling cross plate (7) is installed on the bearing cross frame (3) in an up-down locking mode through the locking threaded column (6), the bearing column with the outer end face penetrating through the stepped hole from top to bottom is arranged in the center of the anti-falling cross plate (7), four vertical plates are arranged on the outer circumference of the bearing column of the anti-falling cross plate (7) in an annular array mode, an engagement groove is formed in the middle of the inner side end face of each vertical plate of the anti-falling cross plate (7), and an insertion strip is arranged at the outer end portion of the engagement groove of the anti-falling cross plate (7).