Instrument panel tubular beam assembly detection tool and detection system
By designing a bidirectional screw and synchronous gear structure, the problem of inconsistent clamping force on the tube beam was solved, achieving stable clamping and high-precision detection, thus improving the reliability and practicality of the detection system.
Patent Information
- Application Number
- CN202511100994.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-07
- Publication Date
- 2025-11-21
AI Technical Summary
In existing technologies, inconsistent clamping force during pipe beam clamping affects the fixing effect and detection accuracy.
It adopts a bidirectional screw and synchronous gear structure. The synchronous gear drives the bidirectional screw to rotate synchronously, ensuring the synchronous movement of the C-clamp. Combined with the positioning strip and positioning groove guide, it achieves stable clamping. At the same time, the speed reduction and torque increase design improves the labor-saving operation.
This technology enables stable clamping and high-precision detection of the tube beam, improving the accuracy of the detection and the convenience of operation.
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Figure CN120991677A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of instrument panel beam assembly detection, and particularly relates to an instrument panel beam assembly testing fixture and a detection system. BACKGROUND
[0002] The instrument panel beam assembly is a core load-bearing structural member of the instrument panel assembly in the automotive interior system, and is usually composed of a beam body, a steering column fixing bracket, an electrical installation bracket, a central control installation bracket, etc. It is installed at the front of the body-in-white, provides installation interfaces for key functional systems such as steering wheels, entertainment consoles, air outlet vents, and airbags, and bears, transmits, and supports the loads of connected components. The structural strength, rigidity, and dimensional accuracy directly affect the engineering design, NVH performance, safety performance, and assembly quality of the vehicle. Due to the key role of the instrument panel beam assembly in the vehicle, its manufacturing precision must be strictly controlled. The testing fixture can quickly and accurately detect whether the key parameters such as the size, shape, and position of the beam assembly meet the design requirements. Through testing fixture detection, deviations in the manufacturing process can be found in time, and unqualified products can be prevented from flowing into subsequent assembly links, thereby ensuring the stability and safety of the vehicle quality, improving production efficiency, and reducing rework costs.
[0003] The prior art patent CN218764993U discloses a pipe beam testing fixture, which comprises a detection table, a clamping mechanism, and a measuring mechanism. The detection table is provided with a plurality of sliding grooves. The clamping mechanism is arranged in the sliding groove and comprises a pair of first support sliding blocks. A connecting column is arranged on the first support sliding block, and a fixed clamping sleeve is fixedly connected to the other end of the connecting column. A pipe beam body is arranged between the pair of fixed clamping sleeves. A drive screw is threadedly connected to the first support sliding block, and a rotating handle is connected to one end of the drive screw. The measuring mechanism is arranged above the detection table and comprises a transparent support plate. A plurality of measuring strips are arranged on the transparent support plate, and a plurality of uniformly distributed holes are arranged in the measuring strips. The corresponding mechanism of the pipe beam testing fixture is arranged to facilitate the detection of the length of the instrument panel pipe beam, improve the detection accuracy, reduce the error of the pipe beam, and thus avoid affecting the installation of the instrument panel, thereby reducing unnecessary trouble for the user.
[0004] However, in the foregoing prior art, when clamping the pipe beam, the two drive screws are rotated in sequence, which easily leads to inconsistent clamping force of the two fixed clamping sleeves on the pipe beam. One clamping sleeve clamps too early or too tightly, while the other clamping sleeve clamps too late or too loosely, thereby affecting the fixing effect and detection accuracy of the pipe beam. SUMMARY
[0005] The purpose of the present application is to provide a kind of instrument panel pipe beam assembly testing tool and detection system, solve the technical problem of the existing technology in the pipe beam is clamped, it is in turn rotated two drive screw, so as to easily lead to the clamping force of two fixed clamps to pipe beam is inconsistent, one clamping is too early or too tight, and the other clamping is relatively late or loose, so as to affect the fixing effect and detection precision of pipe beam.
[0006] To achieve the above object, the present application provides a kind of instrument panel pipe beam assembly testing tool, including workbench, the upper portion of the workbench has two adjusting grooves, bidirectional screw is rotationally arranged in each adjusting groove, two transverse threaded blocks are threadedly arranged on the bidirectional screw, each C-shaped clamp is arranged on the upper portion of the transverse threaded block, and the C-shaped clamp extends to the upper end surface of the workbench, a first synchronous wheel is arranged at one end of the bidirectional screw, a mounting box is arranged on the front end surface of the workbench, a first rotating shaft and two second rotating shafts are rotationally arranged in the mounting box, and the first rotating shaft is rotated by a first rotating disc, a driving gear is arranged on the first rotating shaft, a driven gear and a second synchronous wheel are arranged on each second rotating shaft, and the first synchronous wheel and the second synchronous wheel are connected by a synchronous belt, the driving gear is engaged with the corresponding driven gear and located between the two driven gears, a measuring mechanism is arranged on the workbench.
[0007] Wherein, the number of external teeth of each driven gear is greater than the number of external teeth of the driving gear.
[0008] Wherein, two positioning strips are arranged below each C-shaped clamp, two positioning grooves are arranged at each adjusting groove, and the positioning strip extends into the corresponding positioning groove.
[0009] Wherein, the measuring mechanism includes a fixed seat and a plurality of positioning rods, a tape measure is rotationally arranged on the fixed seat, the workbench has a plurality of positioning holes, and the plurality of positioning holes are adapted to the contour trajectory of the instrument panel pipe beam assembly, the fixed seat is fixedly connected with the workbench and located at one end of the workbench, and the plurality of positioning rods are respectively inserted into the corresponding positioning holes.
[0010] Wherein, the outer side of the fixed seat has a fixed groove, and each positioning rod has a clamping groove.
[0011] Wherein, an indication arrow is arranged on the fixed seat, and the indication arrow points to the corresponding value of the tape measure.
[0012] The application further provides an instrument panel pipe beam assembly detection system, which comprises an instrument panel pipe beam assembly detection device, and further comprises four supporting legs and two supporting barrels, two hydraulic cylinders are arranged in each of the supporting barrels, supporting plates are arranged at the output ends of the two hydraulic cylinders, the supporting plates are slidingly arranged in the supporting barrels, two supporting rods are arranged below the supporting plates, universal wheels are arranged below each of the supporting rods, the universal wheels extend below the supporting barrels, the four supporting legs are fixedly connected with the workbench and are located at the four bottom corners of the workbench, and the two supporting barrels are fixedly connected with the workbench and are symmetrically arranged below the workbench.
[0013] The instrument panel pipe beam assembly detection device and the detection system have the following advantages: when the first rotating shaft is rotated through the first rotating disc, the driving gear drives two driven gears to synchronously rotate, and then the second synchronous wheel, the synchronous belt and the first synchronous wheel drive two bidirectional screws to synchronously rotate, so that the C-shaped clamps in the two adjusting grooves can synchronously move, the problem of inconsistent clamping force caused by sequentially rotating the screws is avoided, the fixing effect of the pipe beam and the detection precision are ensured, and in addition, the number of external teeth of each driven gear is greater than that of the driving gear, so that the operation is more labor-saving and the clamping is more stable; two positioning strips are arranged below each C-shaped clamp, two positioning grooves are arranged at each adjusting groove, and the positioning strips extend into the corresponding positioning grooves, so that the movement of the C-shaped clamps is guided, and the stability and precision of clamping are further ensured. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description.
[0015] Figure 1 is a three-dimensional view of the first embodiment of the present application.
[0016] Figure 2 is a front view of the first embodiment of the present application.
[0017] Figure 3 is a sectional view of A-A line in the first embodiment of the present application. Figure 2
[0018] is a partial enlarged view of B in the first embodiment of the present application. Figure 4 Figure 1 is a sectional view of C-C line in the first embodiment of the present application.
[0019] Figure 5 Figure 3
[0020] Figure 6 is a three-dimensional perspective view of a second embodiment of the present application.
[0021] Figure 7 is a front view of a second embodiment of the present application. Figure 6 is a partial enlarged view of D in FIG.
[0022] Figure 8 is a front view of a second embodiment of the present application.
[0023] Figure 9 is a front view of a second embodiment of the present application. Figure 8 is a sectional view of E-E line in FIG.
[0024] Figure 10 is a three-dimensional perspective view of a third embodiment of the present application.
[0025] Figure 11 is a front view of a third embodiment of the present application. Figure 10 is a partial enlarged view of F in FIG.
[0026] 101 - workbench, 102 - adjusting groove, 103 - bidirectional screw, 104 - transverse screw block, 105 - C-shaped clamp, 106 - first synchronous wheel, 107 - mounting box, 108 - first rotating shaft, 109 - second rotating shaft, 110 - first rotating disc, 111 - driving gear, 112 - driven gear, 113 - second synchronous wheel, 114 - synchronous belt, 115 - measuring mechanism, 116 - positioning strip, 117 - positioning groove, 118 - instrument panel tube beam assembly, 201 - fixing seat, 202 - positioning rod, 203 - tape measure, 204 - positioning hole, 205 - fixing groove, 206 - clamping groove, 207 - supporting leg, 208 - supporting cylinder, 209 - hydraulic cylinder, 210 - supporting plate, 211 - supporting rod, 212 - universal wheel, 213 - indicating arrow, 301 - pressing clamp, 302 - adjusting seat, 303 - adjusting screw, 304 - longitudinal screw sleeve, 305 - second rotating disc, 306 - electric push rod. DETAILED DESCRIPTION
[0027] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, the embodiments described below by reference to the accompanying drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0028] First embodiment:
[0029] Please refer to Figures 1 to 5The present application provides a kind of instrument panel pipe beam assembly testing fixture, including workbench 101, the upper portion of the workbench 101 is equipped with two adjusting grooves 102, two-way screw rod 103 is rotationally arranged in each adjusting groove 102, two opposite transverse threaded blocks 104 are threadedly arranged on the two-way screw rod 103, C-shaped clamp 105 is arranged above each transverse threaded block 104, and the C-shaped clamp 105 extends to the upper end surface of the workbench 101, first synchronous wheel 106 is arranged at one end of the two-way screw rod 103, mounting box 107 is arranged at the front end surface of the workbench 101, first rotating shaft 108 and two second rotating shafts 109 are rotationally arranged in the mounting box 107, and the first rotating shaft 108 is rotated by first rotating disc 110, driving gear 111 is arranged on the first rotating shaft 108, each second rotating shaft 109 is provided with driven gear 112 and second synchronous wheel 113, and the first synchronous wheel 106 and the second synchronous wheel 113 are connected by synchronous belt 114, the driving gear 111 is engaged with the corresponding driven gear 112 and located between the two driven gears 112, measuring mechanism 115 is arranged on the workbench 101, and the first rotating shaft 108 is rotated to drive the two two-way screw rods 103 to rotate synchronously, so that the C-shaped clamp 105 in the two adjusting grooves 102 moves synchronously, the synchronous clamping of pipe beam is realized, the inconsistency problem of clamping force caused by rotating screw rod in sequence is avoided, and the fixing effect and detection accuracy of pipe beam are guaranteed.
[0030] Wherein, the number of outer teeth of each driven gear 112 is greater than the number of outer teeth of the driving gear 111, and this design plays a role of speed reduction and torque increase, when the first rotating shaft 108 is rotated, the two-way screw rod 103 can be rotated with smaller force, making the operation more labor-saving, while also ensuring the stability of clamping, further improving the practicality and reliability of the testing fixture.
[0031] Secondly, two positioning strips 116 are arranged below each C-shaped clamp 105, each adjusting groove 102 is provided with two positioning grooves 117, and the positioning strip 116 extends into the corresponding positioning groove 117, the cooperation of the positioning strip 116 and the positioning groove 117 can guide the movement of the C-shaped clamp 105, ensure that the C-shaped clamp 105 remains stable during movement and does not deviate, so as to ensure the accuracy and stability of clamping, and help to improve the detection accuracy.
[0032] When the instrument panel pipe beam assembly gauge of the embodiment is used, the instrument panel pipe beam assembly is placed on the workbench 101, the first rotating disc 110 is rotated to drive the first rotating shaft 108 and the driving gear 111 to rotate, the driving gear 111 is engaged with two driven gears 112, the number of the external teeth of each driven gear 112 is greater than that of the driving gear 111, the function of speed reduction and torque increase is realized, the second rotating shaft 109 and the second synchronous gear 113 are driven to rotate by the driven gear 112, the first synchronous gear 106 and the bidirectional screw rod 103 are driven to rotate by the synchronous belt 114, the bidirectional screw rod 103 in the two adjusting grooves 102 is synchronously rotated, the transverse threaded block 104 and the C-shaped clamp 105 are synchronously moved, the synchronous and stable clamping of the pipe beam is realized, the positioning strip 116 is moved in the positioning groove 117 to play a guiding role, and the clamping accuracy is ensured, the positioning rod 202 is inserted into the positioning hole 204 matched with the contour track of the instrument panel pipe beam assembly, the positioning rod 202 is further fixed by cooperating with other fixing devices, and then the measurement is completed by using the measuring mechanism 115.
[0033] Second embodiment:
[0034] On the basis of the first embodiment, referring to Figure 6 and Figure 9 , the instrument panel pipe beam assembly gauge is provided, the measuring mechanism 115 comprises a fixing seat 201 and a plurality of positioning rods 202, the fixing seat 201 is rotatably provided with a tape measure 203, the workbench 101 is provided with a plurality of positioning holes 204, the plurality of positioning holes 204 are matched with the contour track of the instrument panel pipe beam assembly, the fixing seat 201 is fixedly connected with the workbench 101 and located at one end of the workbench 101, the plurality of positioning rods 202 are respectively inserted into the corresponding positioning holes 204, the position of the instrument panel pipe beam assembly can be quickly and accurately positioned by inserting the positioning rod 202 into the corresponding positioning hole 204, and then the tape measure 203 is used for measurement, so that the measurement process is more convenient and fast, and the measurement accuracy can be ensured.
[0035] The outer side of the fixing seat 201 is provided with a fixing groove 205, each positioning rod 202 is provided with a clamping groove 206, the fixing groove 205 and the clamping groove 206 provide an installation position for the tape measure 203, and the flexibility and practicability of the gauge are improved.
[0036] Second, the fixed seat 201 is provided with an indication arrow 213, and the indication arrow 213 points to the corresponding value of the tape 203. The indication arrow 213 can clearly indicate the measured value on the tape 203, so that the operator can quickly and accurately read the measurement result, avoid errors caused by visual deviation or inaccurate reading, and improve the efficiency and accuracy of measurement.
[0037] When using the instrument panel pipe beam assembly gauge of the embodiment, the operator first places the instrument panel pipe beam assembly on the workbench 101 and completes the preliminary fixation, then inserts the plurality of positioning rods 202 into the positioning holes 204 on the workbench 101 according to the pipe beam contour track, so as to accurately position the instrument panel pipe beam assembly; then, the free end of the tape 203 installed on the fixed seat 201 through the rotating shaft is pulled out to adhere to the measured part of the pipe beam, and the scale on the tape 203 is displayed; at this time, the operator can quickly and accurately read the measurement result by observing the value of the tape 203 pointed by the indication arrow 213 on the fixed seat 201; after the measurement is completed, the free end of the tape 203 is pushed back to the fixed seat 201, and the whole measurement process is realized by the cooperation of the components of the measuring mechanism 115, so as to realize efficient and accurate size measurement.
[0038] Third embodiment:
[0039] On the basis of the second embodiment, please refer to Figures 10 to 11 The instrument panel pipe beam assembly gauge further comprises a pressing mechanism, and the pressing mechanism is fixedly connected with the workbench 101 and located on the upper end surface of the workbench 101.
[0040] The pressing mechanism comprises a pressing clamp 301, a telescopic member and an adjusting seat 302, the adjusting seat 302 is rotatably provided with an adjusting screw 303, the adjusting screw 303 is threadedly provided with a longitudinal threaded sleeve 304, and the adjusting screw 303 is rotated through a second rotating disc 305, the pressing clamp 301 is provided on the longitudinal threaded sleeve 304 through the telescopic member, and the adjusting seat 302 is fixedly connected with the workbench 101 and located on the upper end surface of the workbench 101.
[0041] The telescopic member is an electric push rod 306.
[0042] When the instrument panel pipe beam assembly detection tool is used, the operator drives the adjusting screw 303 to rotate in the adjusting seat 302 by rotating the second rotating disc 305 counterclockwise, the longitudinal threaded sleeve 304 threaded on the adjusting screw 303 is displaced upward to the side above the target position, the electric push rod 306 is controlled to drive the pressing clamp 301 to move and extend to the position directly above the target position, and finally the second rotating disc 305 is rotated clockwise, so that the pressing clamp 301 presses and clamps the target downward.
[0043] The application further provides an instrument panel pipe beam assembly detection system, which comprises the instrument panel pipe beam assembly detection tool, and further comprises four supporting legs 207 and two supporting barrels 208, two hydraulic cylinders 209 are arranged in each of the supporting barrels 208, supporting plates 210 are arranged at the output ends of the two hydraulic cylinders 209, the supporting plates 210 are slidingly arranged in the supporting barrels 208, two supporting rods 211 are arranged below the supporting plates 210, universal wheels 212 are arranged below each of the supporting rods 211 and extend below the supporting barrels 208, the four supporting legs 207 are fixedly connected with the workbench 101 and are located at the four bottom corners of the workbench 101, and the two supporting barrels 208 are fixedly connected with the workbench 101 and are symmetrically arranged below the workbench 101, when the detection tool needs to be moved, the universal wheels 212 are lowered to facilitate movement, and when the detection tool needs to be fixed, the universal wheels 212 are raised to be supported by the supporting legs 207, so that the stability of the detection tool in the detection process is ensured, and the maneuverability and flexibility of the detection tool are improved.
[0044] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of the application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope of the application.
Claims
1. An instrument panel pipe beam assembly testing device, characterized in that, comprising a workbench, the upper portion of the workbench is provided with two adjusting grooves, a two-way screw is rotatably arranged in each adjusting groove, two transverse threaded blocks are threadedly arranged on the two-way screw, a C-shaped clamp is arranged above each transverse threaded block, the C-shaped clamp extends to the upper end surface of the workbench, a first synchronous wheel is arranged at one end of the two-way screw, an installation box is arranged on the front end surface of the workbench, a first rotating shaft and two second rotating shafts are rotatably arranged in the installation box, the first rotating shaft rotates through a first rotating disc, a driving gear is arranged on the first rotating shaft, a driven gear and a second synchronous wheel are arranged on each second rotating shaft, the first synchronous wheel and the second synchronous wheel are connected through a synchronous belt, the driving gear is engaged with the corresponding driven gear and located between the two driven gears, and a measuring mechanism is arranged on the workbench.
2. The instrument panel pipe beam assembly testing device according to claim 1, characterized in that, the number of external teeth of each driven gear is greater than the number of external teeth of the driving gear.
3. The instrument panel pipe beam assembly testing device according to claim 2, characterized in that, two positioning strips are arranged below each C-shaped clamp, each adjusting groove is provided with two positioning grooves, and the positioning strips extend into the corresponding positioning grooves.
4. The instrument panel pipe beam assembly testing device according to claim 3, characterized in that, the measuring mechanism comprises a fixed seat and a plurality of positioning rods, a tape measure is rotatably arranged on the fixed seat, the workbench is provided with a plurality of positioning holes, the plurality of positioning holes are adapted to the contour track of the instrument panel pipe beam assembly, the fixed seat is fixedly connected with the workbench and located at one end of the workbench, and the plurality of positioning rods are respectively inserted into the corresponding positioning holes.
5. The instrument panel pipe beam assembly testing device according to claim 4, characterized in that, the outer side of the fixed seat is provided with a fixed groove, and each positioning rod is provided with a clamping groove.
6. The instrument panel pipe beam assembly testing device according to claim 5, characterized in that, an indicating arrow is arranged on the fixed seat, and the indicating arrow points to the corresponding value of the tape measure.
7. An instrument panel pipe beam assembly detection system comprising the instrument panel pipe beam assembly testing device according to claim 6, characterized in that, it further comprises four supporting legs and two supporting cylinders, two hydraulic cylinders are arranged in each supporting cylinder, supporting plates are arranged at the output ends of the two hydraulic cylinders, the supporting plates are slidably arranged in the supporting cylinders, two supporting rods are arranged below the supporting plates, a universal wheel is arranged below each supporting rod, the universal wheels extend below the supporting cylinders, the four supporting legs are respectively fixedly connected with the workbench and located at the four bottom corners of the workbench, and the two supporting cylinders are respectively fixedly connected with the workbench and symmetrically arranged below the workbench.