Movable torsion box testing fixture
By designing a mobile torque box fixture, the problem of fixed testing devices being unable to move was solved, realizing the convenience and efficiency of torque box testing, reducing manpower and time costs, and improving the stability and accuracy of testing.
Patent Information
- Application Number
- CN202520168946.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-24
AI Technical Summary
The existing torque box testing device is fixed and cannot be moved easily, which leads to frequent workpiece handling during the testing process, wasting time and manpower.
The design incorporates a mobile torque box fixture with a movable worktable and a clamping and testing unit fixed on it. The worktable is equipped with casters and directional wheels at the bottom for easy and flexible movement. The testing unit achieves precise alignment through a flip block and guide hole, while the clamping unit simplifies operation through a lever structure.
It improves the convenience and flexibility of testing, saves time and manpower, reduces testing costs, and enhances the stability and accuracy of testing.
Smart Images

Figure CN223678365U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of torsion box detection tool, concretely to mobile torsion box gauge. BACKGROUND
[0002] Torsion box is one of the important components of automobile frame, which is located outside the front longitudinal beam, similar in shape to a dam, and has a three-dimensional grid structure inside, which plays a role in transmitting torsion between the bottom beams of the automobile.
[0003] The torsion box has a plurality of mounting guide holes, in order to ensure the position accuracy of each mounting guide hole, the torsion box needs to use a detection pin to detect the hole position on the torsion box before assembly, such as the prior art "a special-shaped part side hole position detection tool" (publication number: CN221238262U), which is specially designed for detecting various complex shell parts, the detection method is to set a plurality of supporting blocks on the base, the supporting blocks are provided with guide holes, after the special-shaped part is fixed on the detection table, the detection pin is inserted into each mounting hole on the workpiece through the guide holes on the supporting blocks, and the position accuracy of the hole is detected. However, the prior art still has the following technical problems:
[0004] The base of the detection device in the prior art is fixed, and each measurement unit on the base is more inconvenient to move, and in actual production, due to the long production line, the workpiece to be detected may be too far away from the area where the detection device is placed, so it is necessary to take the torsion box to be detected to the detection device area for detection, and then return the torsion box to the production line after detection, which consumes a lot of time and labor in the whole detection process, which is very inconvenient. UTILITY MODEL CONTENTS
[0005] The utility model provides mobile torsion box gauge, can solve the problem that the detection tool in the prior art cannot be moved at any time, and the workpiece to be detected needs to be frequently transported at a long distance during detection, resulting in a very time-consuming and labor-consuming detection process.
[0006] The application provides the following technical scheme: a mobile torsion box gauge, comprising a mobile workbench and a pressing unit and a detection unit fixed on the mobile workbench.
[0007] The mobile workbench comprises a frame and a detection table located above the frame; four corners of the bottom of the frame are provided with casters, and the casters comprise universal wheels and directional wheels; four corners of the upper part of the frame are provided with pads, and the detection table is located on the pads; the edge of the detection table is fixed with a lifting handle, and the end of the lifting handle extends out of the edge of the detection table; the bottom center of the detection table is fixed with a cylindrical body, and the outer periphery of the cylindrical body and the bottom of the detection table are fixed with reinforcing ribs.
[0008] Advantages:
[0009] 1、Mobile convenience, improve the use of flexibility. The frame bottom four corners are installed with casters containing universal wheels and directional wheels. The universal wheels can flexibly change the moving direction, so that the gauge can be conveniently transferred between different working areas, and the gauge can be moved to the appropriate placement area on the production line, thereby facilitating rapid detection of the torque box on different production lines, avoiding the need to frequently carry the torque box due to the gauge being too far away from the production line, greatly saving time and manpower, and also allowing the placement position of the gauge to be adjusted according to the layout of the production workshop to meet different production needs, especially for multiple production lines, which can save the number of gauges and reduce costs.
[0010] 2、Convenient for component maintenance and improvement, improve efficiency. The detection table edge is fixed with a lifting handle, the end of which extends outside the detection table edge, which can be lifted through the lifting handle to separate the detection table from the frame for easy fault maintenance, upgrade or replacement of parts of the detection table or frame, reducing the difficulty of maintenance and improvement and improving efficiency.
[0011] 3、Increase strength, ensure stability. The four corners of the upper part of the frame are provided with pads, which are beneficial to ensure that the detection table is in a horizontal state and increase the stability of the detection table. The cylindrical body at the bottom of the detection table and the reinforcing rib enhance the overall structural strength of the detection table. The reinforcing rib can disperse the stress borne by the detection table, effectively preventing the detection table from deforming or breaking when subjected to a large pressure or impact force.
[0012] Further, the detection table is provided with a gauge fixing clamp, which includes two oppositely arranged elastic clamping pieces, and the bottom of the gauge fixing clamp is provided with a screw hole.
[0013] Beneficial effect: The screw hole facilitates the connection of the gauge fixing clamp to the corresponding position on the detection table, and the two oppositely arranged elastic clamping pieces can clamp and fix the gauge to prevent it from falling off the detection table.
[0014] Further, the frame is further provided with a handrail, and a sleeve is fixed to one side of the frame, and the handrail is inserted into the sleeve for fixation.
[0015] Beneficial effect: The handrail provides a convenient force application site to facilitate easy movement of the entire gauge, saving effort. The fixation method of inserting the handrail into the sleeve simplifies the installation process, is convenient to replace, saves installation time, and improves work efficiency.
[0016] Further, the detection unit includes a positioning seat fixed on the detection table, a turnover block pivotally connected to the positioning seat, a detection block fixed at the end of the turnover block, and a turnover handle fixed above the turnover block. The top end of the positioning seat is provided with a groove, and the turnover block is located in the groove, and the two sides of the turnover block are pivotally connected to the two side walls in the groove at the top end of the positioning seat. A guide hole is formed in the end of the detection block.
[0017] Beneficial effects: the rotation of the turnover block can be easily controlled by turning the handle, so that the detection block is quickly adjusted to the detection position corresponding to the torque box or exits the detection position, the guide hole provides a guide path for the detection tool, which can align the detection tool with the detected hole accurately, the detection tool can detect the position accuracy of the hole on the torque box along the guide hole, and detection deviation caused by improper tool operation is avoided.
[0018] Further, the side surface of the top end of the positioning seat is also threadedly connected with a locking pin, one end of the locking pin vertically extends into the groove from the outside of the top end of the positioning seat, and the other end of the locking pin is fixedly provided with a locking handle.
[0019] Beneficial effects: the locking pin is controlled by rotating the locking handle, so that the end surface of the locking pin extending into the recess at the top of the positioning seat can contact the side surface of the turnover block, so as to realize the abutting of the turnover block, lock the turnover block, and ensure that the turnover block is stably fixed at the required position during detection, so that accidental rotation does not occur, thereby ensuring the accuracy and stability of detection.
[0020] Further, the pressing unit comprises a supporting seat fixed on the detection table, a positioning block fixed on the supporting seat, a connecting arm pivotally connected to one end of the positioning block, a swing handle pivotally connected to the end of the connecting arm, and a connecting rod arm pivotally connected between the swing handle and the positioning block.
[0021] Beneficial effects: the swing handle and the connecting arm form a labor-saving lever structure, the swing force of the swing handle is transmitted to the connecting arm to control the flexible swing of the connecting arm, so that the connecting arm can be controlled to realize the pressing operation only by swinging the handle and applying a small force, thereby reducing the operation difficulty.
[0022] Further, a pressing arm is arranged above the connecting arm, a pressing block is arranged below the end head of the pressing arm, a screw rod is connected to the end of the pressing arm away from the pressing block, a strip-shaped hole is formed in the middle of the connecting arm, the upper end of the screw rod is arranged in the strip-shaped hole, and the screw rod is locked on the connecting arm through a nut and a gasket.
[0023] Beneficial effects: by loosening the nut, the screw rod moves in the strip-shaped hole, and then the nut is tightened, the position of the pressing arm can be accurately adjusted, so that the pressing arm can better adapt to workpieces of different shapes and sizes, and effective pressing of the workpiece is ensured; for irregularly-shaped workpieces, the position of the pressing arm is adjusted, so that the pressing block can better fit different parts of the surface of the workpiece, and uniform pressing is realized. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is a perspective view of the utility model.
[0025] Figure 2 It isFigure 1 Bearing view of the moving worktable.
[0026] Figure 3 for Figure 2 A schematic diagram of the reinforcing rib structure at the bottom of the testing platform.
[0027] Figure 4 for Figure 2 Enlarged view of the fixing clamp of the inspection fixture.
[0028] Figure 5 for Figure 1 A magnified view of the detection unit.
[0029] Figure 6 for Figure 1 An enlarged view of the intermediate clamping unit. Detailed Implementation
[0030] The following detailed description illustrates the specific implementation method:
[0031] The markings in the accompanying drawings include: movable workbench 1, inspection table 101, lifting handle 102, handrail 103, baffle 104, sleeve 105, frame 106, caster wheel 107, pad block 108, directional wheel 109, cylinder 110, gauge fixing clamp 111, elastic clamp 112, screw hole 113, reinforcing rib 114, inspection unit 2, flip block 201, flip handle 202, inspection block 203, locking handle 204, locking pin 205, positioning seat 206, torque box 3, clamping unit 4, pressure block 401, clamping arm 402, nut 403, screw 404, connecting arm 405, washer 406, positioning block 407, support seat 408, linkage arm 409, swing handle 410.
[0032] Example 1
[0033] like Figures 1 to 6 As shown, the movable torque box fixture includes a movable worktable 1 and a clamping unit 4 and a detection unit 2 fixed on the movable worktable 1.
[0034] like Figure 2 As shown, the movable workbench 1 includes a frame 106 and a testing platform 101 located above the frame 106. Casters are installed at the four corners of the bottom of the frame 106, including a pair of swivel wheels 107 and a pair of directional wheels 109. Pads 108 are provided at the four corners of the upper part of the frame 106, and the four legs of the testing platform 101 are located on the pads 108. A lifting handle 102 is fixed to the edge of the testing platform 101 with screws, and the end of the lifting handle 102 extends beyond the edge of the testing platform 101. A fixture fixing clamp 111 is provided on the testing platform 101, such as... Figure 4As shown, the gauge fixing clamp 111 includes two oppositely arranged elastic clamping pieces 112, and the bottom of the gauge fixing clamp 111 is provided with a screw hole 113, which facilitates screwing the gauge fixing clamp 111 to the corresponding position on the detection table 101. The two oppositely arranged elastic clamping pieces 112 can clamp and fix the gauge, preventing the gauge from falling off the detection table 101. As shown, Figure 3 As shown, the bottom center of the detection table 101 is fixed with a cylinder 110, and a reinforcing rib 114 is fixed between the outer periphery of the cylinder 110 and the bottom of the detection table 101.
[0035] As shown, Figure 2 As shown, the side surface of the frame 106 is also provided with a right-angled baffle 104, which is used to limit the four feet of the detection table 101, preventing the detection table 101 from coming out of the frame 106. The outer side of the baffle 104 is fixed with a sleeve 105, and the sleeve 105 is provided with a handrail 103 inside. The two ends of the handrail 103 are inserted into the sleeve 105 for fixation. The handrail 103 provides a convenient force application site to facilitate easy movement of the entire gauge, saving effort. The fixed mode of the handrail 103 inserted into the sleeve 105 simplifies the installation process, is convenient to replace, saves installation time, and improves work efficiency.
[0036] As shown, Figure 1 and Figure 5 As shown, the detection unit 2 is provided with a plurality of units, and one of them is taken as an example to describe its mechanism, as shown, Figure 5 As shown, the detection unit 2 includes a positioning seat 206 fixed on the detection table 101, a turnover block 201 pivotally connected to the positioning seat 206, a detection block 203 screwed to the end of the turnover block 201, and a turnover handle 202 fixed above the turnover block 201. The top end of the positioning seat 206 is provided with a groove, and the turnover block 201 is located in the groove, and the two sides of the turnover block 201 are pivoted to the two side walls in the groove at the top end of the positioning seat 206. The outer side of the top end of the positioning seat 206 is also threadedly connected with a locking pin 205, one end of which vertically extends into the groove from the outer side of the top end of the positioning seat 206, and the other end of the locking pin 205 is fixed with a locking handle 204. By rotating the locking handle 204 to control the locking pin 205, the end surface of the locking pin 205 extending into the groove at the top of the positioning seat 206 can contact the side surface of the turnover block 201, so as to realize the clamping of the turnover block 201 and lock the turnover block 201.
[0037] The end of the detection block 203 is provided with a guide hole, and the shape of the detection block 203 is designed according to the shape of the corresponding detection part of the torque box 3. At the same time, the guide hole provides a guide path for the detection tool, which can make the detection tool accurately aligned with the detected hole. The detection tool can detect the position accuracy of the hole on the torque box 3 along the guide hole, avoiding the detection deviation caused by improper tool operation.
[0038] As shown in Figure 6 The pressing unit 4 includes a support seat 408 fixed on the detection table 101, a positioning block 407 fixed on the support seat 408, a connecting arm 405 pivoted at one end of the positioning block 407, a swing handle 410 pivoted at the end of the connecting arm 405, and a connecting link arm 409 pivoted between the swing handle 410 and the positioning block 407. The upper side of the connecting arm 405 is provided with a pressing arm 402, the lower side of the end of the pressing arm 402 is provided with a pressing block 401, the end of the pressing arm 402 away from the pressing block 401 is connected with a screw rod 404, a strip-shaped hole is formed in the middle of the connecting arm 405, the upper end of the screw rod 404 is inserted into the strip-shaped hole, and the screw rod 404 is locked on the connecting arm 405 through a nut 403 and a gasket 406. The swing handle 410 and the connecting arm 405 form a labor-saving lever structure, the swing force of the swing handle 410 is transmitted to the connecting arm 405 to control the flexible swing of the connecting arm 405, Figure 6 One end of the connecting link arm 409 is pivoted to one end of the positioning block 407, and the other end of the connecting link arm 409 abuts against the edge of the end of the connecting arm 405, so that the connecting arm 405 is kept in a horizontal state. If the swing handle 410 is pushed upward, the connecting link arm 409 is driven to move downward away from the connecting arm 405, so that the connecting arm 405 and the pressing arm 402 are lifted upward, and vice versa. In addition, the position of the screw rod 404 in the strip-shaped hole can be adjusted by loosening the nut 403, so that the position of the pressing arm 402 is adjusted, and the pressing arm 402 can better adapt to workpieces of different shapes and sizes to ensure effective pressing of the workpiece.
[0039] The use method of the present tool is as follows:
[0040] First, the pressing arm 402 of the pressing unit 4 and the turnover block 201 of the detection unit 2 are both in an upward lifting state, so as to facilitate the placing of the torsion box 3 into the placing area in the middle of the detection table 101, the detection table 101 is provided with a positioning boss for positioning and fixing the torsion box 3, then the pressing arm 402 and the pressing block 401 of the pressing unit 4 are controlled to press the torsion box 3 downward, and the turnover block 201 of the detection unit 2 is controlled to turn over downward, so that the guide hole on the detection block 203 is located at the corresponding detection position on the torsion box 3, finally the detection pin tool is used to pass through the guide holes in sequence to detect the position accuracy of each hole position on the torsion box 3, after the detection is completed, the pressing unit 4 and the detection unit 2 are reset, and the torsion box 3 can be taken down.
[0041] When the gauge needs to be circulated, the handrail 103 can be pushed to move the gauge, and the universal wheels 107 installed at the four corners of the bottom of the frame 106 can flexibly change the moving direction, improving the convenience of the gauge in transferring between different working areas, moving the gauge to a suitable placement area on the production line, thereby facilitating the rapid detection of the torque box 3 on different production lines, avoiding the need to frequently carry the torque box 3 due to the gauge being too far away from the production line, greatly saving time and manpower, and also being able to adjust the placement position of the gauge according to the layout of the production workshop to meet different production needs, especially for multiple production lines, the number of gauges can be saved, and the cost is reduced.
[0042] The above is only an embodiment of the present application, and the present application is not limited to the field involved in this embodiment. The specific structures and characteristics known in the art and other common knowledge in the scheme are not described in detail herein. It should be noted that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application. The protection scope of the present application should be subject to the content of the claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.
Claims
1. A mobile torsion box gauge, characterized in that: The utility model provides a kind of movable workbench and fixed on movable workbench and detection unit and compression unit;The movable workbench includes frame and detection table located above frame;The bottom four corners of the frame are installed with trundle, and trundle includes universal wheel and directional wheel;Four corners of the upper portion of the frame are provided with cushion block, and detection table is located on cushion block;The edge of the detection table is fixed with pendant, and the end of pendant extends to the edge outside detection table;The bottom center of the detection table is fixed with cylinder, and the outer periphery of cylinder and the bottom of detection table are fixed with reinforcing rib.
2. The mobile torsion box testing tool of claim 1, wherein: The detection table is provided with a gauge fixing clamp, which includes two oppositely arranged elastic clamping pieces, and the bottom of the gauge fixing clamp is provided with a screw hole.
3. The mobile torsion box testing tool of claim 2, wherein: The frame is also provided with a handrail, and the side of the frame is fixed with a sleeve, and the handrail is inserted into the sleeve for fixation.
4. The mobile torsion box testing tool of claim 3, wherein: The detection unit includes a positioning seat fixed on the detection table, a turnover block pivotally connected to the positioning seat, a detection block fixed at the end of the turnover block, and a turnover handle fixed above the turnover block, the top end of the positioning seat is provided with a groove, the turnover block is located in the groove, and the two sides of the turnover block are pivotally connected to the two side walls in the groove at the top end of the positioning seat.
5. The mobile torsion box testing tool of claim 4, wherein: The side of the top end of the positioning seat is also threadedly connected with a locking pin, one end of the locking pin vertically extends into the groove from the outside of the top end of the positioning seat, and the other end of the locking pin is fixed with a locking handle.
6. The mobile torsion box testing tool of claim 5, wherein: The compression unit includes a support seat fixed on the detection table, a positioning block fixed on the support seat, a connecting arm pivotally connected to one end of the positioning block, a swing handle pivotally connected to the end of the connecting arm, and a connecting rod arm pivotally connected between the swing handle and the positioning block.
7. The mobile torsion box testing tool of claim 6, wherein: The upper portion of the connecting arm is provided with a compression arm, the end of the compression arm is provided with a pressing block below the head portion, the end of the compression arm away from the pressing block is connected with a screw rod, a strip-shaped hole is formed in the middle of the connecting arm, the upper end of the screw rod is inserted into the strip-shaped hole, and the screw rod is locked on the connecting arm by a nut and a washer.
Citation Information
Patent Citations
Tool for measuring location degree of side hole of special-shaped part
CN221238262U