CN218885451U - Device for testing sliding force of automobile intermediate shaft - Google Patents
Device for testing sliding force of automobile intermediate shaft Download PDFInfo
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- CN218885451U CN218885451U CN202223370670.1U CN202223370670U CN218885451U CN 218885451 U CN218885451 U CN 218885451U CN 202223370670 U CN202223370670 U CN 202223370670U CN 218885451 U CN218885451 U CN 218885451U
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- axis body
- contact steel
- supporting seat
- steel ball
- installation end
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Abstract
The utility model relates to a technical field of vehicle production, concretely relates to testing arrangement of car jackshaft sliding force, including main part, first installation end, second installation end, stop gear and axis body, first installation end and second installation end are all fixed to be set up at the both ends position of main part, stop gear and main part fixed connection, and the axis body embedding is inboard at stop gear, and stop gear is whole including location bottom plate, locking plate, inner panel, supporting seat, first contact steel ball, spacing axle sleeve, shrink limit layer and second contact steel ball. Be provided with first contact steel ball through supporting seat and inboard equidistance embedding, when the axis body is tested, carry out the outrigger through the supporting seat to the both ends position of axis body, strengthen the connection stability between axis body and the external actuator, keep axis body both ends stress stability through first contact steel ball simultaneously, and all satisfy the axis body straight line when measuring and twist reverse the acting.
Description
Technical Field
The utility model relates to a technical field of automobile production, concretely relates to testing arrangement of car jackshaft sliding force.
Background
In an automobile, the function of a steering system, which is important for the safety of the driving of the automobile, is to control the driving direction of the automobile according to the intention of a driver, and the steering system comprises a steering wheel, a steering column, an intermediate shaft and a steering gear which are connected in sequence. The steering intermediate shaft is an important component of a steering system, and is arranged between the steering gear and the steering column to connect the steering gear and the steering column. The main function of the steering intermediate shaft is to transmit steering torque, and meanwhile, the sliding function of the intermediate shaft can be used for generating normal collapse to relieve the injury to a driver when the automobile collides frontally. In practical use, the steering intermediate shaft has the phenomenon of spline locking or function failure such as insufficient spline strength, and the like, which undoubtedly brings great threat to the life safety of drivers.
Therefore, a large-angle torsion endurance test and a linear sliding endurance test are required for the intermediate shaft in the case of normal steering, and in most cases, in the current domestic steering intermediate shafts, a test is performed after connecting a shaft body with a testing mechanism such as an external linear actuator and a torsion actuator for a motion such as a torsion endurance test or a sliding endurance test of the intermediate shaft.
Through the research discovery, current testing arrangement is whole when being connected linear actuator and torsional actuator and axis body and applying the effort to the axis body, and the whole intermediate position of axis body is in unsettled state, and both ends and the accredited testing organization that corresponds are connected, and when beginning to measure, axis body overall stability is poor, and the condition that the deviation leads to the axis body to damage appears in the end position effort of easily appearing.
The whole when beginning to measure of current testing arrangement, axis body overall stability is poor, and the end position effort that easily appears the deviation and lead to the condition that the axis body damaged, has certain limitation.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a pair of testing arrangement of car jackshaft sliding force, effectual reinforcing axis body overall stability avoids appearing the condition that the deviation leads to the axis body to damage in end position effort.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a testing arrangement of car jackshaft sliding force, which comprises a main body, first installation end, second installation end, stop gear and axis body, first installation end and second installation end are all fixed to be set up at the both ends position of main part, stop gear and main part fixed connection, the axis body embedding is inboard at stop gear, stop gear is whole including the positioning bottom plate, the locking plate, the inner panel, a supporting seat, first contact steel ball, spacing axle sleeve, shrink limit layer and second contact steel ball, locking plate and positioning bottom plate fixed connection, the inner panel is located the positioning bottom plate inboard, supporting seat and first contact steel ball swing joint, spacing axle sleeve and second contact steel ball swing joint, shrink limit layer is whole and spacing axle sleeve fixed connection, positioning bottom plate's fixed surface has seted up spacing fluting.
Furthermore, first installation end and second installation end respectively with outside linear actuator and torsion actuator fixed connection, simultaneously with supporting the shaft body between set up the shaft coupling.
Furthermore, the whole below position that is located the axis body of stop gear is along the body surface with the level setting.
Furthermore, the positioning bottom plate is provided with two groups, the whole positioning bottom plate is arranged in a Z shape and is arranged oppositely, the locking plate is matched with an external fixing screw to be fixedly arranged at two sides of the surface of the main body, the limiting groove is integrally corresponding to the limiting shaft sleeve to be provided with four groups, and each group is positioned at the inner side edge of the positioning bottom plate and is provided with an oval shape.
Furthermore, the inner plate is integrally embedded into the bottom positions of the inner sides of the two groups of positioning bottom plates, and the two groups of supporting seats are fixedly arranged at the two ends of the inner plate.
Furthermore, the supporting seat is integrally arranged as a rectangular seat body, the inner side of the supporting seat is arranged in an arc-shaped concave manner, the first contact steel balls are distributed in a plurality of groups along the inner side of the supporting seat in an arc-shaped equidistant manner, the first contact steel balls are movably embedded into the inner side of the supporting seat, and the surface of the supporting seat is correspondingly provided with an arc cover with two-thirds of surrounding area for embedding and installing the first contact steel balls.
Further, the whole setting of spacing axle sleeve is two sets of, by two sets of ring body butt joint component, and the embedding sets up in the inboard position of location bottom plate, imbeds simultaneously in spacing fluting.
Further, shrink limit layer sets up on the outside both sides of spacing axle sleeve, is the outside setting of arc transition, and the second contact steel ball distributes on shrink limit layer surface, is the setting of activity embedding.
According to the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses, through the effect that the cooperation locking plate of positioning bottom plate at first reaches and carries out fixed connection with whole stop gear and main part, the spacing fluting that the surface was seted up reaches and wholly carries out spacing fixed effect to spacing axle sleeve.
The utility model discloses, be provided with first contact steel ball through supporting seat and inboard equidistance embedding, when the axis body is tested, carry out the stable stay through the supporting seat to the both ends position of axis body, strengthen the connection stability between axis body and the external actuator, keep axis body both ends atress stability through first contact steel ball simultaneously, and all satisfy the axis body straight line when measuring and twist reverse the acting.
The utility model discloses, reach the middle section position to the axis body through spacing axle sleeve and support, the second contact steel ball that the inboard set up is convenient for support the axis body straight line when measuring and twist reverse the acting simultaneously, and the shrink boundary layer that the arc transition set up makes the edge of the outstanding spacing axle sleeve of second contact steel ball, the contact axis body of being convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection of the middle position-limiting mechanism of the present invention;
FIG. 3 is a front view of the inner structure of the middle limit shaft sleeve of the present invention;
reference numerals:
1-main body, 2-first mounting end, 3-second mounting end, 4-limiting mechanism, 5-shaft body, 6-positioning bottom plate, 7-locking plate, 8-inner plate, 9-supporting seat, 10-first contact steel ball, 11-limiting shaft sleeve, 12-shrinkage edge layer, 13-second contact steel ball and 14-limiting groove.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1-3, a device for testing sliding force of an automobile intermediate shaft comprises a main body 1, a first installation end 2, a second installation end 3, a limiting mechanism 4 and a shaft body 5, wherein the first installation end 2 and the second installation end 3 are fixedly arranged at two end positions of the main body 1, the limiting mechanism 4 is fixedly connected with the main body 1, the shaft body 5 is embedded in the inner side of the limiting mechanism 4, the limiting mechanism 4 integrally comprises a positioning bottom plate 6, a locking plate 7, an inner plate 8, a supporting seat 9, a first contact steel ball 10, a limiting shaft sleeve 11, a contraction edge layer 12 and a second contact steel ball 13, the locking plate 7 is fixedly connected with the positioning bottom plate 6, the inner plate 8 is positioned in the positioning bottom plate 6, the supporting seat 9 is movably connected with the first contact steel ball 10, the limiting shaft sleeve 11 is movably connected with the second contact steel ball 13, the contraction edge layer 12 is fixedly connected with the limiting shaft sleeve 11, and a limiting groove 14 is fixedly formed in the surface of the positioning bottom plate 6.
In the embodiment, the first mounting end 2 and the second mounting end 3 are respectively and fixedly connected with an external linear actuator and an external torsional actuator, and a shaft coupling is arranged between the first mounting end and the shaft body 5 in a matching way;
the whole limiting mechanism 4 is positioned below the shaft body 5 and is arranged along the surface of the main body 1 in the same horizontal direction;
the positioning bottom plates 6 are arranged in two groups, are arranged oppositely in a Z shape integrally, are fixedly arranged at two sides of the surface of the main body 1 through the matching of the locking plates 7 and external fixing screws, and the limiting open grooves 14 are integrally formed into four groups corresponding to the limiting shaft sleeves 11, wherein each group is positioned at the edge of the inner side of the positioning bottom plate 6 and is formed into an oval shape;
the positioning bottom plate 6 is matched with the locking plate 7 to achieve the effect of fixedly connecting the whole limiting mechanism 4 with the main body 1, and the limiting notch 14 formed in the surface of the positioning bottom plate achieves the effect of integrally limiting and fixing the limiting shaft sleeve 11.
The inner plates 8 are integrally embedded at the bottom positions of the inner sides of the two groups of positioning bottom plates 6, and the two groups of supporting seats 9 are fixedly arranged at the two ends of the inner plates 8;
the supporting seat 9 is integrally arranged in a rectangular seat body, the inner side of the supporting seat is arranged in an arc-shaped concave manner, the first contact steel balls 10 are distributed along the inner side of the supporting seat 9 in an arc-shaped equidistant manner, the first contact steel balls 10 are movably embedded into the inner side of the supporting seat 9, and an arc-shaped cover with two-thirds of surrounding area is correspondingly arranged on the surface of the supporting seat 9 for embedding the first contact steel balls 10;
be provided with first contact steel ball 10 through supporting seat 9 and inboard equidistance embedding, when the axis body 5 tested, carry out the outrigger through supporting seat 9 to the both ends position of axis body, strengthen the connection stability between axis body and the external actuator, keep 5 both ends stress stability of axis body simultaneously through first contact steel ball 10, and all satisfy the straight line of axis body 5 when measuring and twist reverse the acting.
The two groups of limiting shaft sleeves 11 are integrally arranged, are formed by butting two groups of ring bodies, are embedded in the inner side of the positioning bottom plate 6 and are embedded in the limiting open grooves 14;
the contraction edge layers 12 are arranged at two sides of the outer side of the limiting shaft sleeve 11 and are arranged outwards in an arc transition mode, and the second contact steel balls 13 are distributed on the surfaces of the contraction edge layers 12 and are movably embedded;
reach the middle section position to axis body 5 through spacing axle sleeve 11 and support, the second contact steel ball 13 that the inboard set up simultaneously is convenient for support the straight line of axis body 5 when measuring and twist reverse the acting, and the shrink limit layer 12 that the arc transition set up makes the edge of the outstanding spacing axle sleeve 11 of second contact steel ball 13, its contact axis body 5 of being convenient for.
The working principle is as follows: the user of service imbeds the axis body 5 from one section of main part 1 in supporting seat 9 and spacing axle sleeve 11, later with outside linear actuator and twist reverse actuator and the first installation end 2 and the second installation end 3 of 1 both ends position of main part to be connected fixedly, when carrying out the measurement, supporting seat 9 and spacing axle sleeve 11 provide the support to the both ends of axis body 5 and section position placed in the middle, the axis body 5 is carrying out the straight line and is twisting when measuring, all can not receive bearing structure's influence, thereby guarantee that the atress of axis body 5 is stable.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. The utility model provides a testing arrangement of car jackshaft sliding force which characterized in that: including main part (1), first installation end (2), second installation end (3), stop gear (4) and axis body (5), first installation end (2) and second installation end (3) are all fixed to be set up at the both ends position of main part (1), stop gear (4) and main part (1) fixed connection, axis body (5) embedding is inboard in stop gear (4), stop gear (4) are whole including positioning bottom plate (6), locking plate (7), inner panel (8), supporting seat (9), first contact steel ball (10), spacing axle sleeve (11), shrink limit layer (12) and second contact steel ball (13), locking plate (7) and positioning bottom plate (6) fixed connection, inner panel (8) are located positioning bottom plate (6) inboard, supporting seat (9) and first contact steel ball (10) swing joint, spacing axle sleeve (11) and second contact steel ball (13) swing joint, shrink limit layer (12) are whole and spacing axle sleeve (11) fixed connection, positioning bottom plate's (6) the fixed surface fluting (14) have been seted up.
2. The device for testing sliding force of an intermediate shaft of an automobile according to claim 1, wherein: first installation end (2) and second installation end (3) respectively with outside linear actuator and twist reverse actuator fixed connection, simultaneously with supporting the shaft body (5) between set up the shaft coupling.
3. The device for testing sliding force of an intermediate shaft of an automobile according to claim 1, wherein: the limiting mechanism (4) is integrally located below the shaft body (5) and arranged along the surface of the main body (1) in the same horizontal direction.
4. The device for testing sliding force of an intermediate shaft of an automobile according to claim 1, wherein: the positioning bottom plate (6) is provided with two groups, the whole positioning bottom plate is in a Z-shaped relative arrangement, the locking plate (7) is matched with an external fixing screw to be fixedly arranged at two sides of the surface of the main body (1), the limiting groove (14) is integrally formed to correspond to the limiting shaft sleeve (11) to form four groups, and each group is positioned at the inner side edge of the positioning bottom plate (6) and is formed in an oval shape.
5. The device for testing sliding force of an intermediate shaft of an automobile according to claim 1, wherein: the inner plate (8) is integrally embedded into the bottom positions of the inner sides of the two groups of positioning bottom plates (6), and the two groups of supporting seats (9) are fixedly arranged at the two ends of the inner plate (8).
6. The device for testing sliding force of an intermediate shaft of an automobile according to claim 1, wherein: the supporting seat (9) is integrally a rectangular seat body and is arranged in an arc-shaped concave manner, the first contact steel balls (10) are distributed in a plurality of groups in an arc-shaped equidistant manner along the inner side of the supporting seat (9), the first contact steel balls (10) are movably embedded into the inner side of the supporting seat (9), and the surface of the supporting seat (9) is correspondingly provided with an arc cover with two-thirds of surrounding area for embedding and installing the first contact steel balls (10).
7. The device for testing sliding force of an intermediate shaft of an automobile according to claim 1, wherein: the limiting shaft sleeves (11) are integrally arranged in two groups and are formed by butting two groups of ring bodies, are embedded in the inner side of the positioning bottom plate (6), and are embedded in the limiting open grooves (14).
8. The device for testing sliding force of an intermediate shaft of an automobile according to claim 1, wherein: shrink limit layer (12) set up on the outside both sides of spacing axle sleeve (11), are the arc transition and outwards set up, and second contact steel ball (13) distribute on shrink limit layer (12) surface, are the setting of activity embedding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223370670.1U CN218885451U (en) | 2022-12-15 | 2022-12-15 | Device for testing sliding force of automobile intermediate shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223370670.1U CN218885451U (en) | 2022-12-15 | 2022-12-15 | Device for testing sliding force of automobile intermediate shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218885451U true CN218885451U (en) | 2023-04-18 |
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ID=85941170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223370670.1U Active CN218885451U (en) | 2022-12-15 | 2022-12-15 | Device for testing sliding force of automobile intermediate shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218885451U (en) |
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2022
- 2022-12-15 CN CN202223370670.1U patent/CN218885451U/en active Active
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