CN212513647U

CN212513647U - Steering knuckle test fixture with good damping performance

Info

Publication number: CN212513647U
Application number: CN202020939362.8U
Authority: CN
Inventors: 黄启荣; 白海彬; 金成海
Original assignee: Hubei Yueda Technology Co ltd
Current assignee: Hubei Yueda Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-09
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a test fixture technical field just discloses a knuckle test fixture that shock attenuation performance is good, including workstation and knuckle, the fixed mount that is provided with in upper end of workstation, the upper end of workstation is seted up flutedly, the inside sliding connection of recess has the slide, the fixed damper that is provided with of lower extreme of slide, the inside of mount rotates through first bearing and is connected with the bull stick, the fixed motor that is provided with in upper end of bull stick, the fixed first fixed block that is provided with of lower extreme of bull stick, the upper end contact of slide is provided with the fixed disk, the cavity has been seted up to the inside of fixed disk. The utility model discloses can stabilize more and carry out the centre gripping to the knuckle, have better shock attenuation to test fixture attachment, prevent that the knuckle is not hard up in the testing process, improve the degree of accuracy of test greatly.

Description

Steering knuckle test fixture with good damping performance

Technical Field

The utility model relates to a test fixture technical field especially relates to a knuckle test fixture that damping performance is good.

Background

The steering knuckle is a hinge for steering wheels and is generally fork-shaped; the upper fork and the lower fork are provided with two coaxial holes for mounting the main pin, and the steering knuckle journal is used for mounting a wheel; two ears of a pin hole on the steering knuckle are connected with the fist-shaped parts at two ends of the front shaft through the main pin, so that the front wheel can deflect a certain angle around the main pin to steer the automobile.

When examining the knuckle, can use knuckle test fixture, test fixture centre gripping effect in the past is relatively poor, can not stabilize the centre gripping to the knuckle, when testing the knuckle, takes place the not hard up problem of knuckle easily, and test fixture bradyseism effect in the past is relatively poor, influences the result of test.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the clamping effect of the tool clamp is poor and the damping effect is not obvious in the prior art, and providing a steering knuckle test tool with good damping performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a steering knuckle testing tool with good damping performance comprises a workbench and a steering knuckle, wherein a fixing frame is fixedly arranged at the upper end of the workbench, a groove is formed in the upper end of the workbench, a sliding plate is slidably connected inside the groove, a damping mechanism is fixedly arranged at the lower end of the sliding plate, a rotating rod is rotatably connected inside the fixing frame through a first bearing, a motor is fixedly arranged at the upper end of the rotating rod, a first fixing block is fixedly arranged at the lower end of the rotating rod, a fixing disc is arranged at the upper end of the sliding plate in a contact manner, a cavity is formed inside the fixing disc, the steering knuckle is fixedly arranged inside the cavity, a plurality of uniform arc-shaped openings are formed in the side wall of the cavity, a clamping mechanism is fixedly arranged inside each arc-shaped opening, symmetrical second fixing blocks are fixedly arranged at the upper end of the fixing disc, and a lead screw is rotatably connected between the two second fixing blocks through a second, the pole wall sliding connection of lead screw has the slider, the fixed gag lever post that is provided with of the last lateral wall of slider, the fixed connecting plate that is provided with in upper end of fixed disk, the bar mouth has been seted up to the inside of connecting plate, the inner wall of bar mouth is connected with the lateral wall contact of gag lever post.

Preferably, damper includes telescopic link, spring, stopper, connecting block and connecting rod, the telescopic link transversely sets up in the inside of recess, two the stopper all with the both ends fixed connection of telescopic link, two the connecting block all with two the one end fixed connection that the stopper deviates from, the spring is fixed to be cup jointed in the outside of telescopic link, two the one end that the connecting rod is adjacent all rotates through the lateral wall of first pivot and connecting block to be connected, two the one end that the connecting rod deviates from rotates with the lateral wall of slide and the lower lateral wall of recess respectively to be connected.

Preferably, fixture includes montant, dwang, fixed plate and clamp splice, the montant is fixed to be set up at the left end of arc mouth, rotate between the left end of dwang and the montant and be connected, the fixed plate passes through to rotate between second axis round pin and the arc mouth and is connected, the dwang is connected with the inner wall contact of fixed plate, the right-hand member fixed connection of clamp splice and dwang.

Preferably, a protective shell is fixedly arranged outside the motor.

Preferably, the right end of the screw rod is fixedly provided with a rotating block.

Preferably, the lower end of the workbench is fixedly provided with symmetrical bases.

Compared with the prior art, the utility model provides a knuckle test fixture that shock attenuation performance is good possesses following beneficial effect:

1. this knuckle test fixture that shock attenuation performance is good, through the common cooperation of telescopic link, spring, stopper, connecting block and connecting rod, effectively cushion frock clamp, improve test fixture's bradyseism effect.

2. This knuckle test fixture that shock attenuation performance is good through the common cooperation of lead screw, slider, gag lever post, connecting plate, montant, carriage release lever and fixed plate, stabilizes the centre gripping to the knuckle, the better test of being convenient for.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can stabilize more and carry out the centre gripping to the knuckle, have better shock attenuation to test fixture, prevent that the knuckle is not hard up in the testing process, improve the degree of accuracy of test greatly.

Drawings

Fig. 1 is a schematic front structural view of a knuckle testing tool with good damping performance provided by the utility model;

fig. 2 is a schematic view of a top view structure of a knuckle testing tool with good damping performance provided by the utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged schematic view of portion B of FIG. 2;

fig. 5 is an enlarged schematic structural view of a portion C in fig. 1.

In the figure: 1 workstation, 2 knuckles, 3 mounts, 4 slides, 5 bull sticks, 6 motors, 7 first fixed blocks, 8 fixed disks, 9 second fixed blocks, 10 lead screws, 11 sliders, 12 gag levers, 13 telescopic links, 14 springs, 15 stoppers, 16 connecting blocks, 17 connecting rods, 18 montants, 19 travel bars, 20 fixed plates, 21 clamp blocks, 22 connecting plates.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a steering knuckle testing tool with good damping performance comprises a workbench 1 and a steering knuckle 2, wherein a fixed frame 3 is fixedly arranged at the upper end of the workbench 1, a symmetrical base is fixedly arranged at the lower end of the workbench 1, a groove is formed in the upper end of the workbench 1, a sliding plate 4 is slidably connected inside the groove, a damping mechanism is fixedly arranged at the lower end of the sliding plate 4, the damping mechanism comprises a telescopic rod 13, a spring 14, limiting blocks 15, connecting blocks 16 and connecting rods 17, the telescopic rod 13 is transversely arranged inside the groove, the two limiting blocks 15 are both fixedly connected with the two ends of the telescopic rod 13, the two connecting blocks 16 are both fixedly connected with the deviated ends of the two limiting blocks 15, the spring 14 is fixedly sleeved outside the telescopic rod 13, the adjacent ends of the two connecting rods 17 are both rotatably connected with the side wall of the connecting block 16 through a first shaft pin, the deviated ends of the two connecting rods 17 are respectively rotatably, the inside of the fixed mount 3 is rotatably connected with a rotating rod 5 through a first bearing, the upper end of the rotating rod 5 is fixedly provided with a motor 6, the outside of the motor 6 is fixedly provided with a protective shell, the lower end of the rotating rod 5 is fixedly provided with a first fixed block 7, the upper end of the sliding plate 4 is contacted with a fixed disc 8, the inside of the fixed disc 8 is provided with a cavity, a steering knuckle is fixedly arranged inside the cavity, the side wall of the cavity is provided with a plurality of uniform arc-shaped openings, the inside of the plurality of arc-shaped openings is fixedly provided with a clamping mechanism, the clamping mechanism comprises a vertical rod 18, a rotating rod 19, a fixed plate 20 and a clamping block 21, the vertical rod 18 is fixedly arranged at the left end of the arc-shaped opening, the left end of the rotating rod 19 is rotatably connected with the vertical rod 18, the fixed plate 20 is rotatably connected with the arc-shaped openings through, the upper end of the fixed disc 8 is fixedly provided with symmetrical second fixed blocks 9, a screw rod 10 is rotatably connected between the two second fixed blocks 9 through a second bearing, the right end of the screw rod 10 is fixedly provided with a rotating block, the rod wall of the screw rod 10 is slidably connected with a sliding block 11, the upper side wall of the sliding block 11 is fixedly provided with a limiting rod 12, the upper end of the fixed disc 8 is fixedly provided with a connecting plate 22, a strip-shaped opening is formed in the connecting plate 22, and the inner wall of the strip-shaped opening is in contact connection with the side wall of the limiting.

In the utility model, when a knuckle testing tool is needed, a sliding plate 4 is pressed, the sliding plate 4 drives a connecting rod 17 connected with the lower end in a rotating way to move, two connecting rods 17 extrude a connecting block 16 connected with the adjacent end in a rotating way to move, two connecting blocks 16 push a limiting block 15 fixedly connected with the adjacent end to move, two limiting blocks 15 push a telescopic rod 13 to move, a knuckle 2 is placed in a fixed disc 8, a rotating block is rotated, the rotating block drives a screw rod 10 to rotate, a screw 10 drives a sliding block 11 and a limiting rod 12 which are connected with the rod wall in a threaded way to move, the limiting rod 12 drives a connecting plate 22 to move, the connecting plate 22 drives a fixed disc 8 fixedly connected with the lower end to rotate, the fixed disc 8 drives a fixed plate 20 connected with the inner part in a rotating way through a shaft pin to move, the fixed plate 20 drives a moving rod 19, the knuckle 2 is firmly clamped.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A steering knuckle testing tool with good damping performance comprises a workbench (1) and a steering knuckle (2) and is characterized in that a fixing frame (3) is fixedly arranged at the upper end of the workbench (1), a groove is formed in the upper end of the workbench (1), a sliding plate (4) is slidably connected inside the groove, a damping mechanism is fixedly arranged at the lower end of the sliding plate (4), a rotating rod (5) is rotatably connected inside the fixing frame (3) through a first bearing, a motor (6) is fixedly arranged at the upper end of the rotating rod (5), a first fixing block (7) is fixedly arranged at the lower end of the rotating rod (5), a fixing disc (8) is arranged at the upper end of the sliding plate (4) in a contact manner, a cavity is formed in the fixing disc (8), the steering knuckle is fixedly arranged inside the cavity, and a plurality of uniform arc-shaped openings are formed in the side wall of the cavity, it is a plurality of arc mouth's inside is all fixed and is provided with fixture, the fixed second fixed block (9) that are provided with the symmetry in upper end of fixed disk (8), two be connected with lead screw (10) through the rotation of second bearing between second fixed block (9), the pole wall sliding connection of lead screw (10) has slider (11), the fixed gag lever post (12) that is provided with of last lateral wall of slider (11), the fixed connecting plate (22) that is provided with in upper end of fixed disk (8), the bar mouth has been seted up to the inside of connecting plate (22), the inner wall of bar mouth is connected with the lateral wall contact of gag lever post (12).

2. The knuckle test fixture that shock attenuation performance is good according to claim 1, characterized in that, damper includes telescopic link (13), spring (14), stopper (15), connecting block (16) and connecting rod (17), telescopic link (13) transversely sets up in the inside of recess, two stopper (15) all with the both ends fixed connection of telescopic link (13), two connecting block (16) all with two one end fixed connection that stopper (15) deviate from, spring (14) are fixed cup joints in the outside of telescopic link (13), two the adjacent one end of connecting rod (17) all rotates through the lateral wall of first pivot with connecting block (16) to be connected, two the one end that connecting rod (17) deviate from rotates with the lower lateral wall of the lateral wall of slide (4) and recess respectively and is connected.

3. The knuckle test fixture that shock attenuation performance is good according to claim 1, characterized in that, fixture includes montant (18), dwang (19), fixed plate (20) and clamp splice (21), montant (18) is fixed to be set up at the left end of arc mouth, rotate between the left end of dwang (19) and montant (18) and be connected, fixed plate (20) are connected through rotating between second axis round pin and the arc mouth, dwang (19) are connected with the inner wall contact of fixed plate (20), clamp splice (21) and the right-hand member fixed connection of dwang (19).

4. The steering knuckle testing tool with good shock absorption performance as claimed in claim 1, wherein a protective shell is fixedly arranged outside the motor (6).

5. The steering knuckle test fixture with good shock absorption performance as claimed in claim 1, wherein a rotating block is fixedly arranged at the right end of the screw rod (10).

6. The steering knuckle test fixture with good shock absorption performance as claimed in claim 1, wherein symmetrical bases are fixedly arranged at the lower end of the workbench (1).