Fixing support for automobile experiment

Abstract

The utility model provides a fixing support for an automobile experiment, which relates to the technical field of fixing supports for automobile experiments and comprises a clamping table, a plurality of U-shaped plates arranged on the clamping table and known threaded rods arranged on the outer top edges of the U-shaped plates. The threaded rods penetrate through the outer top edges of the U-shaped plates, the outer top edges of the U-shaped plates are rotationally connected with internal threaded tooth rings in threaded connection with the threaded rods, the bead chains are arranged, the bead chains sequentially penetrate through the chain wheels on the U-shaped plates, meshing of the bead chains and the chain wheels is utilized, and when the bead chains are drawn through the flexibility of the bead chains, the chain wheels in meshed connection are driven to rotate; and then the output shaft of the gearbox rotates to drive a straight gear to rotate so as to realize the rotation of an internal thread gear ring in meshed connection, so that the threaded rods in threaded connection can descend, and all the threaded rods on the surface of the clamping table can simultaneously ascend and descend to clamp the automobile roof, thereby facilitating the improvement of the detection speed and the detection efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fixed support technology field of automobile experiment, especially a kind of fixed support for automobile experiment. BACKGROUND

[0002] Automobile test is an important link in the process of automobile research and development, which includes multiple classification and test methods to ensure the performance, safety and reliability of the automobile, and the corresponding support is used to fix the automobile roof during the automobile roof experiment process.

[0003] Therefore a kind of automobile roof experiment tooling device, publication number is: CN220660608U, manually twist handle A, make handle A drive bidirectional screw rod A to rotate, the rotation of bidirectional screw rod A drives two groups of machine boxes B to move relatively, manually twist handle B, make handle B drive bidirectional screw rod B to rotate, the rotation of bidirectional screw rod 5 drives two groups of machine boxes A to move relatively, to change the distance between two groups of U-shaped plates, manually twist knob A, make knob A drive worm to rotate, the rotation of worm drives worm wheel, connecting rod and U-shaped plate to rotate, to change the angle of U-shaped plate, place roof on U-shaped plate, by manually twisting knob B, make knob B drive screw rod to rotate, the rotation of screw rod drives clamping block to move, so that clamping block and U-shaped plate clamp roof.

[0004] But because machine box is arranged in different positions, and manually rotating screw rod is arranged in each machine box, therefore in actual use, it needs to waste more time to rotate screw rod, so it will affect detection speed and reduce detection efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems in the prior art and provides a fixed support for automobile experiment.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a fixed support for automobile experiment, including clamping table, several U-shaped plates arranged on the clamping table and screw rod arranged on the outer top edge of U-shaped plate, the screw rod penetrates the outer top edge of U-shaped plate, and the outer top edge of U-shaped plate is rotatably connected with internal thread ring in screw thread connection with the screw rod, the outer top edge of U-shaped plate is also fixedly connected with gearbox on one side, the input shaft of gearbox is fixedly connected with chain wheel, the output shaft is fixedly connected with straight gear in meshing connection with internal thread ring and rotatably installed on the outer top edge of U-shaped plate, two notches are arranged on the position of each U-shaped plate on the upper surface of clamping table, and several pearl chains passing through notches are arranged on the clamping table and are in meshing connection with chain wheel.

[0007] Preferably, the gear box shell is fixedly connected with a baffle, the baffle is arranged with the chain wheel as the same center, and the inner arc surface of the baffle is slidably connected with the chain wheel tooth.

[0008] Preferably, the baffle is smoothly transitioned on both sides.

[0009] Preferably, the lower surface of the clamping table is fixedly connected with an electric telescopic rod on one side, and the telescopic end of the electric telescopic rod is fixedly connected with a threading pipe sleeved on the bead chain.

[0010] Preferably, the outer top edge of the U-shaped plate is symmetrically fixedly connected with two top wheels relative to the gear box, and the top wheels are slidably connected with the bead chain.

[0011] Preferably, each of the U-shaped plates is provided with a notch on both sides, and the U-shaped plates are fixedly connected with connecting frames slidably connected with the notches, and the two connecting frames on the U-shaped plate near the corner of the clamping table are respectively rotatably connected with a bottom wheel and a steering wheel, and the two connecting frames on the U-shaped plates at other positions are all provided with bottom wheels.

[0012] Preferably, the center line of the steering wheel shaft is perpendicular to the center line of the bottom wheel shaft, and the bottom wheel and the steering wheel are both connected with the bead chain.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that.

[0014] 1、In the utility model, the bead chain is arranged, the bead chain is sequentially threaded through the chain wheels on the plurality of U-shaped plates, the engagement of the bead chain and the chain wheel is utilized, the flexibility of the bead chain is utilized, when the bead chain is pulled, the engaged chain wheel is driven to rotate, then the rotation of the gear box input shaft is realized, then the rotation of the gear box output shaft drives the spur gear to rotate, then the rotation of the internally threaded tooth ring engaged is realized, the threaded rod connected through the thread is lowered, the simultaneous lifting of all the threaded rods on the surface of the clamping table is realized, and the detection speed and the detection efficiency are improved.

[0015] 2、In the utility model, the electric telescopic rod is arranged, when the bead chain is relaxed, the position of the plurality of U-shaped plates can be adjusted according to the shape of the automobile roof, then the movement of the threading pipe is realized through the extension of the electric telescopic rod, the bead chain is pulled through the threading pipe, the bead chain is tightened, and when the bead chain is pulled, all the chain wheels can rotate simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of a fixing support for automobile experiment is provided for the utility model.

[0017] Figure 2 A fixing support for automobile experiment is provided for the utility model Figure 1 A bottom structure schematic view of the fixing support for automobile experiment is provided for the utility model.

[0018] Figure 3 The utility model provides a fixed support U type board's structural schematic drawing for car experiment.

[0019] Figure 4 For Figure 3 The side view structural schematic drawing.

[0020] Legend: 1, clamping table, 2, U type board, 3, pearl chain, 4, electric telescopic rod, 5, connecting frame, 6, bottom wheel, 7, top wheel, 8, internal thread tooth ring, 9, chain wheel, 10, gearbox, 11, baffle, 12, straight gear, 13, threaded rod, 14, steering wheel, 15, notched, 16, threading pipe. Specific embodiments

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further explained below in combination with the drawings and examples. It should be explained that the embodiment of the present application and the features in the embodiment can be combined mutually in the case of no conflict.

[0022] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0023] As Figures 1-4As shown, a fixed support for automobile experiment, including clamping table 1, a plurality of U-shaped plate 2 and the known setting in the outer top edge of U-shaped plate 2 threaded rod 13, U-shaped plate 2 for placing the edge of the automobile roof, and the threaded rod 13 bottom fixedly connected with the plug-in inside wall of U-shaped plate 2 and used for pressing the automobile roof pressure block, the specific structure refers to the "U-shaped plate" in a kind of automobile roof experiment tool device with publication No. CN220660608U, threaded rod 13 penetrates the outer top edge of U-shaped plate 2 and the outer top edge of U-shaped plate 2 is rotatably connected with the internal thread ring 8 which is screw connected with threaded rod 13, the outer top edge of U-shaped plate 2 is also fixedly connected with gearbox 10, the input shaft of gearbox 10 is fixedly connected with sprocket 9, the output shaft is fixedly connected with straight gear 12 which is meshingly connected with internal thread ring 8 and rotatably installed on the outer top edge of U-shaped plate 2, by exerting force on sprocket 9 to make it rotate, under the speed regulation of gearbox 10, the rotation of straight gear 12 is realized, and then the rotation of internal thread ring 8 which is meshingly connected with straight gear 12 is realized, that is, the lifting of threaded rod 13 which is screw connected with internal thread ring 8 is realized, the clamping of automobile roof is realized, in addition, according to the shape of the roof and the different initial positions in different U-shaped plates 2, the speed regulation of gearbox 10 is used to ensure that the internal thread rings 8 at different positions rotate at different speeds, and then the lifting speed of threaded rod 13 is adjusted, that is, it is ensured that the plurality of threaded rods 13 on the clamping table 1 can be lowered at the same time and contact and press the surface of the automobile roof, two notches 15 are provided on the surface of the clamping table 1 at the position of each U-shaped plate 2, a plurality of bead chains 3 are provided on the clamping table 1 and pass through the notches 15, and the bead chains 3 are meshingly connected with the sprockets 9, the provided bead chains 3 ensure that the plurality of sprockets 9 can rotate at the same time, and the provided notches 15 ensure that a part of the bead chains 3 is hidden in the bottom surface of the clamping table 1.

[0024] In addition: the housing of gearbox 10 is fixedly connected with a baffle 11, the baffle 11 is arranged with the same center as the sprocket 9, and the inner arc surface of the baffle 11 is slidingly connected with the teeth of the sprocket 9, the baffle 11 is smoothly transitioned on both sides, the provided baffle 11 ensures that a part of the bead chain 3 is always meshing with the sprocket 9, and then ensures that the bead chain 3 can smoothly drive the sprocket 9 to rotate when it is pulled.

[0025] In addition: the lower surface of the clamping table 1 is fixedly connected with an electric telescopic rod 4, the telescopic end of the electric telescopic rod 4 is fixedly connected with a threading pipe 16 which is sleeved on the bead chain 3, the position of the threading pipe 16 can be adjusted by the telescopic adjustment of the electric telescopic rod 4 to adjust the slackness of the bead chain 3, even if the position of the U-shaped plate 2 is adjusted, the bead chain 3 is kept in a tight state by moving the threading pipe 16, the outer top edge of the U-shaped plate 2 is symmetrically fixedly connected with two top wheels 7 about the gearbox 10, the top wheels 7 are slidingly connected with the bead chain 3, which is convenient for supporting the bead chain 3.

[0026] In addition: any U-shaped plate 2 is allocated with a notch 15 on both sides and is fixedly connected with a connecting frame 5 which is slidingly connected with the notch 15, the two connecting frames 5 on the U-shaped plate 2 near the corner position of the clamping table 1 are respectively rotationally connected with a bottom wheel 6 and a steering wheel 14, the two connecting frames 5 on the U-shaped plate 2 at other positions are all installed with the bottom wheel 6, the wheel shaft center line of the steering wheel 14 is perpendicular to the wheel shaft center line of the bottom wheel 6, and the bottom wheel 6 and the steering wheel 14 are all clamped with the bead chain 3, so that the bead chain 3 can move along a fixed route and the part of the bead chain 3 entering and exiting the sprocket 9 cannot be angularly deviated.

[0027] Working principle: according to the descending degree of the threaded rod 13, the speed ratio of the gearbox 10 is adjusted, the bead chain 3 is pulled out, and the bead chain 3 passes through a plurality of sprockets 9 under the support of a plurality of bottom wheels 6, steering wheels 14 and top wheels 7 and rotates with the movement of the bead chain 3, the sprocket 9 is rotated by applying a force to the sprocket 9, the spur gear 12 is rotated under the speed regulation of the gearbox 10, and then the internal thread ring 8 connected with the spur gear 12 is rotated, so that the threaded rod 13 connected with the internal thread ring 8 is lifted and lowered, and the automobile roof is clamped.

[0028] The wiring diagram of the electric telescopic rod 4 and the gearbox 10 in the utility model belongs to the common knowledge in the field, and the working principle is a known technology, and the model is selected according to actual use, so the control mode and wiring arrangement of the electric telescopic rod 4 and the gearbox 10 are not explained in detail.

[0029] The above is only a preferred embodiment of the utility model, and does not limit other forms of the utility model, any skilled person in the art can change or modify the above disclosed technology content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model still belong to the protection scope of the utility model technical scheme.

Claims

1. A fixing bracket for automobile testing, comprising a clamping platform (1), a plurality of U-shaped plates (2) arranged on the clamping platform (1), and a threaded rod (13) arranged on the outer top edge of the U-shaped plate (2), characterized in that: The threaded rod (13) passes through the outer top edge of the U-shaped plate (2), and the outer top edge of the U-shaped plate (2) is rotatably connected to an internally threaded toothed ring (8) threadedly connected to the threaded rod (13). One side of the outer top edge of the U-shaped plate (2) is also fixedly connected to a gearbox (10). The input shaft of the gearbox (10) is fixedly connected to a sprocket (9), and the output shaft is fixedly connected to a spur gear (12) meshed with the internally threaded toothed ring (8) and rotatably mounted on the outer top edge of the U-shaped plate (2). Two notches (15) are provided on the upper surface of the clamping platform (1) at the position of each U-shaped plate (2). A plurality of bead chains (3) passing through the notches (15) are provided on the clamping platform (1), and the bead chains (3) are meshed with the sprocket (9).

2. The fixing bracket for automobile testing according to claim 1, characterized in that: A baffle (11) is fixedly connected to the housing of the gearbox (10), the baffle (11) and the sprocket (9) are arranged concentrically, and the inner arc surface of the baffle (11) is slidably connected to the teeth of the sprocket (9).

3. The fixing bracket for automobile testing according to claim 2, characterized in that: The two sides of the baffle (11) are smoothly transitioned.

4. The fixing bracket for automobile testing according to claim 1, characterized in that: One side of the lower surface of the clamping platform (1) is fixedly connected to an electric telescopic rod (4), and the telescopic end of the electric telescopic rod (4) is fixedly connected to a threading tube (16) sleeved on the bead chain (3).

5. The fixing bracket for automobile testing according to claim 1, characterized in that: Two top wheels (7) are symmetrically fixedly connected to the outer top edge of the U-shaped plate (2) with respect to the gearbox (10), and the top wheels (7) are slidably connected to the bead chain (3).

6. The fixing bracket for automobile testing according to claim 1, characterized in that: A notch (15) is allocated on both sides of any of the U-shaped plates (2), and connecting frames (5) slidably connected to the notch (15) are fixedly connected to both sides of the U-shaped plate (2). The two connecting frames (5) on the U-shaped plate (2) near the corner of the clamping table (1) are rotatably connected to the bottom wheel (6) and the steering wheel (14), respectively. The two connecting frames (5) on the U-shaped plates (2) at other positions are both equipped with the bottom wheel (6).

7. The fixing bracket for automobile testing according to claim 6, characterized in that: The centerline of the axle of the steering wheel (14) is perpendicular to the centerline of the axle of the bottom wheel (6), and both the bottom wheel (6) and the steering wheel (14) are clamped with the bead chain (3).

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