CN217358324U

CN217358324U - Automatic locking detection device for steering yoke

Info

Publication number: CN217358324U
Application number: CN202221397491.4U
Authority: CN
Inventors: 刘刚; 赵林锋; 梁治洋; 叶振荣; 董文汤
Original assignee: ZHEJIANG ZHENGCHANG FORGING CO Ltd
Current assignee: ZHEJIANG ZHENGCHANG FORGING CO Ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-09-02
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses an automatic locking detection device for a steering yoke, which comprises a vertical seat, a plug gauge and a positioning spline mandrel, wherein the distance between the vertical seat and the positioning spline mandrel is arranged on the upper end surface of a bedplate, the automatic locking device also comprises an automatic locking mechanism for locking the steering yoke on the positioning spline mandrel, the plug gauge is glidingly arranged in a cylindrical floating core block for detecting the position degree of two bearing holes on the steering yoke, the floating core block is radially glidingly supported by the vertical seat, the automatic locking mechanism comprises a power source arranged below the bedplate, a pull rod which is linked with a power source and coaxially penetrates through the positioning spline core rod, a press block can be rotatably arranged at the upper end of the pull rod, whether the plug gauge can smoothly pass through two bearing holes at the top of the steering knuckle fork is used as a judgment standard, the steering yoke is detected in a production field, and a professional three-coordinate device is not needed for detection, so that the detection cost is reduced, and the detection efficiency is improved.

Description

Automatic locking detection device for steering yoke

Technical Field

The utility model relates to a knuckle fork check out test set technical field, in particular to knuckle fork automatic locking detection device.

Background

The steering yoke is one of key parts in an automobile steering system, and can make an automobile flexibly transmit the power of a steering wheel to a steering machine in driving so as to control the driving direction of the automobile, as shown in fig. 7-8, the steering yoke mainly comprises a body 13, a yoke 16 arranged at one end of the body 13, a bearing hole 17 is coaxially arranged on the yoke 16, a communicated spline hole 14 and a clearance cavity 15 are arranged in the body 13, and the bearing hole 17 has strict position degree requirements relative to the spline hole 14 in the production process so as to ensure that the universal joint is assembled and then flexibly rotates, so that the position degree of the bearing hole 17 needs to be detected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a knuckle fork automatic locking detection device is used for solving current knuckle fork and adopts the three-dimensional to detect, the problem that wastes time and energy.

In order to solve the technical problem, the utility model provides a following technical scheme: an automatic locking detection device for a steering yoke comprises a vertical seat 1, a plug gauge 6 and a positioning spline mandrel 302, wherein the vertical seat 1 and the positioning spline mandrel 302 are arranged on the upper end surface of a bedplate 4 at a certain interval, the automatic locking detection device further comprises an automatic locking mechanism 3 used for locking the steering yoke on the positioning spline mandrel 302, the plug gauge 6 is arranged in a cylindrical floating core block 7 in a sliding mode and used for detecting the position degree of two bearing holes in the steering yoke, the floating core block 7 is supported by the vertical seat 1 in a radial sliding mode, the automatic locking mechanism 3 comprises a power source arranged below the bedplate 4, a pull rod 305 which is linked with the power source and coaxially penetrates through the positioning spline mandrel 302, and a pressing block 303 is rotatably arranged at the upper end of the pull rod 305.

Furthermore, the upper part of the vertical seat 1 is provided with a mounting hole 9, the axis of the mounting hole 9 is perpendicular to and coplanar with the axis of the positioning spline mandrel 302, the floating core block 7 is installed in the mounting hole 9, a gap L1 is radially arranged on one side between the floating core block 7 and the mounting hole, the floating core block 7 and the vertical seat 1 are equal in thickness, two sides of the vertical seat 1 are both provided with a pressing plate 12 for axially limiting the floating core block 7, the plug gauge 6 is slidably matched and penetrates through the floating core block 7, the gap of the plug gauge 6 penetrates through the two pressing plates 12, and the radial gap on one side between the plug gauge 6 and the pressing plate 12 is set to be L2, so that L2 is greater than L1.

Further, the power source is an air cylinder 301, the air cylinder 301 is connected with the bottom of the bedplate 4 through a connecting plate 307, and two supporting plates 2 connected with the bedplate are symmetrically arranged on two sides of the air cylinder 301.

Further, an adjusting pad 5 is sleeved outside the positioning spline mandrel 302, and the lower end of the adjusting pad 5 abuts against the upper end face of the bedplate 4.

The utility model provides a pair of knuckle fork automatic locking detection device, its advantage lies in: the utility model discloses utilize automatic locking mechanism to realize the automatic positioning locking of knuckle fork, need not the manual work and use the mode of conventional bolt locking to clamp the location, reduced workman's work load, reduced the cost of labor; the utility model discloses accomplish the back at knuckle fork location clamping, utilize whether two dead eyes that the plug gauge can pass through the knuckle fork top smoothly as the judgement standard, detect whether qualified the knuckle fork, the three-coordinate equipment that need not the specialty detects, has reduced the detection cost, has improved detection efficiency.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a front view of the overall structure of the present invention;

fig. 2 is an enlarged schematic view of the area a in fig. 1 according to the present invention;

FIG. 3 is a side sectional view of the overall structure of the present invention;

fig. 4 is an enlarged schematic view of the area B in fig. 3 according to the present invention;

FIG. 5 is a side sectional view of the overall structure of the loosened press block of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 2 at C;

FIG. 7 is a front partial cross-sectional view of the steering yoke;

fig. 8 is a cross-sectional view taken along line D-D of fig. 7.

In the figure: 1. a vertical seat; 2. a support plate; 3. an automatic locking mechanism; 4. a platen; 5. an adjustment pad; 6. a plug gauge; 7. a floating core block; 8. a countersunk hole; 9. mounting holes; 10. a handle; 11. a first locking screw; 12. pressing a plate; 13. a body; 14. a splined bore; 15. avoiding the cavity; 16. a fork portion; 17. a bearing bore; 301. a cylinder; 302. positioning the spline mandrel; 303. pressing into blocks; 304. a pin shaft; 305. a pull rod; 306. a second locking screw; 307. a connecting plate; 308. a piston rod; 309. a central bore.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

Referring to fig. 1-6, the present invention provides an embodiment: the utility model provides an automatic locking detection device of knuckle fork, including founding seat 1, plug gauge 6, location spline plug 302, found seat 1 and location spline plug 302 interval and install in 4 up end of platen, still including being used for locking the automatic locking mechanism 3 on location spline plug 302 with the knuckle fork, plug gauge 6 sliding fit is used for detecting the position degree of two dead eye on the knuckle fork in columniform unsteady pellet 7, unsteady pellet 7 carries out radial sliding support by founding seat 1, automatic locking mechanism 3 is including locating the power supply of 4 below of platen, link and coaxial pull rod 305 that runs through location spline plug 302 with the power supply, pull rod 305 upper end is rotatable has installed briquetting 303.

Preferably, the upper part of the vertical seat 1 is provided with a mounting hole 9, the axis of the mounting hole 9 is perpendicular to and coplanar with the axis of the positioning spline mandrel 302, the floating core block 7 is arranged in the mounting hole 9, a gap L1 is radially arranged on one side between the floating core block 7 and the vertical seat 1, the two sides of the vertical seat 1 are respectively provided with a pressing plate 12 for limiting the floating core block 7 axially, specifically, six countersunk holes 8 are uniformly distributed at the edge positions of the two pressing plates 12, each countersunk hole 8 is adapted to a first locking screw 11, the two pressing plates 12 are respectively fixedly connected with the two sides of the vertical seat 1 through the first locking screws 11, because the floating core block 7 is equal in thickness to the vertical seat 1 and the pressing plates 12 are in a planar structure, thus, after the pressing plates 12 are fixed on the vertical seat 1, the floating core block 7 and the pressing plates 12 form a gapless sliding fit, so that the floating core block 7 can only slide in the radial direction in the mounting hole 9, therefore, after the plug gauge 6 is in sliding fit and penetrates through the floating core block 7, the axis of the plug gauge 6 is parallel to the theoretical axis of the bearing hole 17, the gap of the plug gauge 6 penetrates through the two pressing plates 12, the radial gap of one side between the plug gauge 6 and the pressing plates 12 is set to be L2, L2 is larger than L1, 2 times of the gap L1 is the theoretical tolerance band of the position degree of the bearing hole 17 relative to the spline hole 14, L2 is larger than L1, interference of the pressing plates 12 on the plug gauge 6 during measurement is avoided, the measurement precision is improved, and generally, in order to facilitate operation, the handle 10 is connected to the outer end of the plug gauge 6.

As a preferred embodiment, the power source adopts an air cylinder 301, the air cylinder 301 is connected with the bottom of the bedplate 4 through a connecting plate 307, two supporting plates 2 connected with the bedplate 4 are symmetrically arranged at two sides of the air cylinder 301, specifically, the air cylinder 301 is installed at the bottom of the connecting plate 307 through a fastener, then the connecting plate 307 is fixed at the bottom of the bedplate 4 through a second locking screw 306, a piston rod 308 of the air cylinder 301 passes through a central hole 309 on the connecting plate 307, the end of the piston rod 308 is connected with the lower end of a pull rod 305, a press block 303 is rotatably connected with the upper end of the pull rod 305 through a pin shaft 304, the press block 303 is turned to be in an upright state after the piston rod 308 of the air cylinder 301 extends out to push the pull rod 305 to go up to a high position, then a spline hole 14 of a steering yoke is sleeved on a spline positioning core rod 302, then the press block 303 is turned to be in a horizontal state, the piston rod 308 of the air cylinder 301 retracts to make the pull rod 305 go down, thereby pressing the press block 303 to avoid the opening surface of a cavity 15, the lower port surface of a spline hole 14 of the steering yoke is abutted against the upper end surface of the adjusting pad 5, automatic positioning and locking of the steering yoke are realized, then the plug gauge 6 is pushed to advance, at the moment, if the plug gauge 6 can smoothly pass through two bearing holes 17, the product is qualified, otherwise, the product is unqualified, and here, it needs to be explained that before the detection device of the utility model is used for detection, an independent hole plug gauge is used for detecting the bearing hole 17, the aperture of the bearing hole 17 is ensured to be qualified, so that the aperture of the bearing hole 17 is prevented from exceeding the upper tolerance and causing misjudgment on position measurement; after the detection is finished, the piston rod 308 of the air cylinder 301 extends to push the pull rod 305 to move upwards to a high position, then the pressing block 303 is converted into an upright state, the steering yoke can be conveniently taken out, and the air cylinder 301 can be controlled by an existing manual or pedal valve.

Preferably, the positioning spline mandrel 302 is sleeved with an adjusting pad 5, the lower end of the adjusting pad 5 is abutted to the upper end face of the bedplate 4, and the adjusting pad 5 is arranged to adapt to detection of steering yoke with different theoretical center heights (namely, the distance from the bearing hole 17 to the opening face of the spline hole 14), so that one set of detection device can detect products with various specifications, and the application range is wide.

The utility model provides a knuckle fork automatic locking detection device can place in near the machining equipment, and the workshop compressed air source that shares has realized the on-the-spot quick qualitative detection to the knuckle fork, need not the use frequency that three-coordinate appearance ware detected and has reduced the three-coordinate appearance ware, has improved detection efficiency, has reduced the detection cost.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an automatic locking detection device of steering yoke, includes vertical seat (1), plug gauge (6), location spline plug (302), its characterized in that: the vertical seat (1) and the positioning spline mandrel (302) are arranged on the upper end face of the bedplate (4) at a distance, the automatic locking mechanism (3) is used for locking the steering yoke on the positioning spline mandrel (302), the plug gauge (6) is arranged in a cylindrical floating core block (7) in a sliding mode and used for detecting the position degree of two bearing holes in the steering yoke, the floating core block (7) is supported by the vertical seat (1) in a radial sliding mode, the automatic locking mechanism (3) comprises a power source arranged below the bedplate (4), a pull rod (305) which is linked with the power source and coaxially penetrates through the positioning spline mandrel (302), and a pressing block (303) is rotatably arranged at the upper end of the pull rod (305).

2. The automatic steering fork lock detection device according to claim 1, wherein: the upper portion of the vertical seat (1) is provided with a mounting hole (9), the axis of the mounting hole (9) is perpendicular to the axis of the positioning spline mandrel (302) and is coplanar, the floating core block (7) is installed in the mounting hole (9), a gap L1 is formed in the radial direction of one side between the floating core block and the positioning spline mandrel, the floating core block (7) and the vertical seat (1) are equal in thickness, pressing plates (12) are installed on two sides of the vertical seat (1) to axially limit the floating core block (7), the plug gauge (6) penetrates through the floating core block (7) in a sliding fit mode, the gap of the plug gauge (6) penetrates through the two pressing plates (12), the radial gap of one side between the plug gauge (6) and the pressing plates (12) is set to be L2, and L2 is larger than L1.

3. The automatic steering yoke locking detection device according to claim 1, characterized in that: the power source is an air cylinder (301), the air cylinder (301) is connected with the bottom of the bedplate (4) through a connecting plate (307), and two supporting plates (2) connected with the bedplate are symmetrically arranged on two sides of the air cylinder (301).

4. The automatic steering fork lock detection device according to claim 1, wherein: the positioning spline mandrel (302) is sleeved with an adjusting pad (5), and the lower end of the adjusting pad (5) is abutted to the upper end face of the bedplate (4).