CN210293591U - Rigidity test device for automobile outer plate - Google Patents
Rigidity test device for automobile outer plate Download PDFInfo
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- CN210293591U CN210293591U CN201921091004.XU CN201921091004U CN210293591U CN 210293591 U CN210293591 U CN 210293591U CN 201921091004 U CN201921091004 U CN 201921091004U CN 210293591 U CN210293591 U CN 210293591U
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Abstract
The utility model discloses an automobile outer panel rigidity (anti concave) test device, include: a base; a steel column fixed on the base; the lifting mechanism is arranged on the steel column; the loading mechanism is arranged on the lifting mechanism; the loading mechanism comprises: the base is fixed on the steel shaft of the lifting mechanism; the rotating seat is arranged on the base and is in rotating fit with the base; the ball screw pair is arranged on the rotating seat; the pressure plate and the force sensor are fixed on a ball screw of the ball screw pair; and a displacement sensor fixed on the base through a support column. The utility model discloses can test the automobile exterior panel rigidity, be the cambered surface form to the automobile exterior panel molding, every test point loading angle in the space is all different, the utility model discloses the device can be adjusted as required to different loading space angles and positions, is particularly suitable for being used for testing automobile exterior panel rigidity.
Description
Technical Field
The utility model relates to an automobile outer panel rigidity (anti concave) test field, concretely relates to automobile outer panel rigidity (anti concave) test device.
Background
The test result of the rigidity of the automobile outer plate and the CAE virtual analysis calculation result are subjected to benchmarking, the test detection data are used as the basis of CAE analysis calculation revision parameters, and the CAE analysis calculation accuracy is improved to over 90% through continuous accumulation.
The loading mechanisms of the main engine plants for the rigidity test of the outer plate are mostly self-made non-standard tools, and a few main engine plants purchase rigidity test equipment. The rigidity test equipment belongs to nonstandard equipment, has different structures, and is large in load design to meet the requirements of various rigidity and strength tests of all vehicle bodies, chassis and the like, so that the structure is large, the manufacturing cost is high, the occupied area is large, and the rigidity test equipment is not widely used.
The non-standard equipment adopted by a certain automobile research institute is used for testing the rigidity of the outer plate of the automobile, the price is 36 thousands, and the price is high.
The application publication number CN109540430A (application number 201811450448.8) Chinese invention patent application discloses an automobile part rigidity detection device, which comprises a base, wherein a Y-axis guide rail is arranged on the base, a support plate is arranged on the Y-axis guide rail, a Z-direction guide rail is arranged on the support plate, an electric cylinder support is arranged on the Z-direction guide rail, an electric cylinder is arranged on the electric cylinder support, an impact head is arranged on a telescopic rod of the electric cylinder, and a workpiece fixing support is arranged on the base. The workpiece is fixed through the workpiece fixing support, the electric cylinder drives the impact head to impact the part to detect the rigidity of the part, the support plate and the electric cylinder support move upwards in the Y direction and the Z direction through the Y-axis guide rail and the Z direction guide rail, the steering knuckle rotates in the X direction and the Z direction in a plane, multiple positions are achieved, and the workpiece installed on the workpiece fixing support is subjected to rigidity testing in multiple angles. However, the rigidity detection device for the automobile parts can only test the automobile standard parts, the shape of the automobile outer plate is in a cambered surface form, the loading angles of all test points on the space are different, and the rigidity of the automobile outer plate cannot be tested.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rigidity (anti concave) test device of automobile exterior panel can test rigidity of automobile exterior panel, is the cambered surface form to the automobile exterior panel molding, and every test point is loading angle in the space all different, the utility model discloses the device can be adjusted as required to different loading space angles and positions, is particularly suitable for being used for testing rigidity of automobile exterior panel.
An automobile outer panel rigidity (dent resistance) test device comprising:
a base;
a steel column fixed on the base;
the lifting mechanism is arranged on the steel column;
the loading mechanism is arranged on the lifting mechanism;
the loading mechanism comprises:
the base is fixed on the steel shaft of the lifting mechanism;
the rotating seat is arranged on the base and is in rotating fit with the base;
the ball screw pair is arranged on the rotating seat;
the pressure plate and the force sensor are fixed on a ball screw of the ball screw pair;
and the displacement sensor is fixed on the base through a support column, and a measuring head of a measuring rod of the displacement sensor is propped against the pressure plate.
And the nut of the ball screw pair is driven by a hand wheel of the loading mechanism.
The nut of the ball screw pair is connected with the hand wheel of the loading mechanism through a speed reducer, and the speed reducer adopts a worm and gear structure and has a self-locking function.
Ball with the roating seat passes through the guide bar and connects, ball on cup jointed the uide bushing, the uide bushing both sides be fixed with two guide bars, be fixed with on the roating seat with two guide bar complex oilless bush to make pressure disk and force sensor stable top to the planking of car for the planking rigidity (anti concave) test of car.
The base is fixedly arranged on the steel shaft through bolts. The rotating seat is also fixedly arranged on the base through bolts.
The base and the rotating seat can rotate between the base and the rotating seat, the loading angle is adjusted, and after the loading angle is adjusted, the base and the rotating seat are locked by bolts. The base can rotate around the steel shaft through the bolt, and the angle is adjusted. The rotating seat can rotate around the base through the bolt, and the angle is adjusted.
The lifting mechanism comprises:
two linear guide rail pairs (comprising linear guide rails and sliding blocks arranged on the linear guide rails) arranged on the steel column;
the steel shaft is fixed on the sliding blocks of the two linear guide rail pairs;
the shaft seats are arranged at two ends of the steel shaft;
a lead screw nut (i.e., a nut) mounted in the shaft seat;
the lifting screw rod is matched with the screw rod nut;
and a servo motor for driving the lifting screw rod.
The lifting screw rod is connected with a lifting mechanism hand wheel.
The purpose of adopting the linear guide rail mainly comprises the following steps: a. the spiral lifting mechanism enables the loading mechanism to adjust the height up and down; b. the guide function greatly reduces the clearance of up-and-down movement; c. the height may be located by a locking mechanism.
The utility model discloses in, rotate through servo motor or elevating system hand wheel drive elevating screw for can reciprocate with elevating screw complex screw nut, axle bed, thereby drive the steel shaft and install the epaxial loading mechanism of steel and reciprocate, accomplish the lift.
The servo motor is one, and the servo motor is synchronized to the two lifting screw rods through the coupler and the linkage rod, so that synchronous movement of driving the two lifting screw rods by one servo motor is realized.
The base is an iron floor, a plurality of T-shaped grooves which are vertically crossed are formed in the iron floor, and the steel column is fixed through bolts arranged in the T-shaped grooves and pressing plates matched with the bolts. Because the iron floor is provided with the T-shaped grooves which are vertically crossed, the positions of the bolts arranged in the T-shaped grooves can be adjusted as required, and the steel column is fixed at the required position.
The number of the steel columns is 4, wherein the automobile outer plate is fixed on two of the steel columns, and the lifting mechanism is arranged on the other two steel columns. The number of the steel columns is 4, wherein two steel columns are used for fixing the automobile outer plate, and the other two steel columns are provided with lifting mechanisms and loading mechanisms.
Automobile outer panel rigidity (anti concave) test device still includes: a data collector (specifically an industrial data collector) connected with the displacement sensor and the force sensor, and a computer connected with the data collector. The test result of the rigidity of the automobile outer plate is normalized with the CAE (computer Aided engineering) virtual analysis calculation result, the test detection data is used as the basis of the CAE analysis calculation revision parameter, and the CAE analysis calculation accuracy is improved to over 90 percent through continuous accumulation.
The utility model discloses the device comprises rigid body frame, loading mechanism, elevating system triplex:
the lifting mechanism is used for realizing vertical lifting of the loading mechanism, and measuring points with different heights can be detected. Two symmetrical spiral lifters are adopted, and the speeds of the two lifters are kept synchronous through a linkage rod; the screw nut of the lifting mechanism is connected with the shaft seat, the shaft seat is connected with the slide block of the linear guide rail arranged on the rigid body frame, and the slide block is provided with a locking device and can be positioned and locked at the adjusted height; meanwhile, the overall rigidity of the device can be increased by adding the structure; the worm gear reducer has a self-locking function.
The loading mechanism is used for test loading, and slow loading can be realized by adopting a speed ratio of 1: 20; the worm gear reducer has a self-locking function; a steel shaft of the loading mechanism is connected with a shaft seat of the lifting mechanism to realize height adjustment; the loading direction can be adjusted by rotating the support I, the support II and the steel shaft to adjust the space angle, and the steel shaft is locked by a bolt after being adjusted.
Compared with the prior art, the utility model has the advantages of as follows:
in the utility model, the loading mechanism can complete the rigidity measurement of the outer plate of the automobile side wall, the opening and closing piece and the fender; in addition, the rigidity test of other opening and closing members with small load (less than or equal to 1200N) can be completed through assembly and construction.
The utility model discloses in, the structure is light and handy simple, and is with low costs, and area is little (host computer factory ubiquitous iron floor area is limited, the place uses nervous condition, and iron floor investment cost is higher (about 1.1 ten thousand/ton), can assemble and disassemble, remove, can vacate the place after the experiment is accomplished and do other experiments.
In the utility model, the loading mechanism adopts the ball screw, the clearance is small, and the precision is high; meanwhile, the rigidity of the loading mechanism is increased by the guide mechanism; reduction ratio 1:20, to meet the requirement of slow loading of the rigidity test. The speed reducer is a worm gear mechanism and has a self-locking function.
The utility model discloses in, elevating system, loading mechanism are worm gear reduction gear, have self-locking function.
The utility model discloses in, elevating system has increased linear guide, improves loading mechanism's rigidity, and the slider is equipped with locking locate function, reliable realization vertical location.
The utility model discloses in, the molding of automobile exterior panel is the cambered surface form, and every test point is all different at the spatial loading angle. This requires the loading mechanism to be angularly adjustable in loading space. The support and the steel shaft, and the support can rotate, so that the purpose of adjusting the space angle is achieved.
Drawings
FIG. 1 is a schematic view of a disassembled structure of parts of the rigidity (dent resistance) testing device for an automobile outer panel of the present invention;
FIG. 2 is a schematic structural diagram of the rigidity (dent resistance) testing device for the outer plate of the automobile of the present invention;
FIG. 3 is a schematic structural diagram of another view angle of the rigidity (dent resistance) testing device for the outer plate of the automobile of the present invention;
fig. 4 is a schematic structural diagram of the middle loading mechanism of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings.
As shown in fig. 1, 2, and 3, an automobile outer panel rigidity (dent resistance) test device includes: a base 22 (specifically, a steel floor); a steel column 21 fixed to the base 22; a lifting mechanism provided on the steel column 21; and the loading mechanism is arranged on the lifting mechanism. The number of the steel columns 21 is 4, wherein two steel columns 21 are used for fixing the automobile outer plate 30, and the other two steel columns 21 are provided with lifting mechanisms and loading mechanisms.
The lifting mechanism comprises: two linear guide rail pairs 5 (including linear guide rails and sliders arranged on the linear guide rails) arranged on the two steel columns 21; a steel shaft 4 fixed on the two sliding blocks, namely the steel shaft 4 is connected to the two sliding blocks of the two linear guide rail pairs 5; the shaft seats 2 are arranged at two ends of the steel shaft 4, and the shaft seats 2 are provided with screw nuts matched with the lifting screws; a lifting screw rod matched with a screw nut in the shaft seat 2; and a servo motor 20 for driving the elevating screw to rotate. The lifting screw is connected with a lifting screw hand wheel 11. The servo motor 20 and the lifting lead screw hand wheel 11 are connected with a lifting lead screw through a lifting lead screw connecting piece 12, the lead screw connecting piece 12 is installed at the top end of the steel column 21 through the L-support plate 10, and the lifting lead screw can be automatically controlled through the servo motor 20 and also can be manually controlled through the lifting lead screw hand wheel 11. The utility model discloses in, through servo motor 20 or 11 drive elevating screw rotations of elevating screw hand wheel for can reciprocate with elevating screw complex screw nut and axle bed 2, thereby drive steel shaft 4 and install the loading mechanism on steel shaft 4 and reciprocate, accomplish the lift. The servo motor 20 is one, and the servo motor 20 is connected to the two lifting screw rods through the connecting sleeve 13, the coupler 14 and the linkage rod 17, so that the servo motor 20 drives the two lifting screw rods to synchronously move. One end of the lifting screw is connected with a servo motor 20 and a lifting screw hand wheel 11 through a screw connecting piece 12, and the other end of the lifting screw is installed on a steel column 21 through a bearing sleeve 1.
As shown in fig. 1 and 4, the loading mechanism includes:
a base 3 (namely a support I) fixed on a steel shaft 4 of the lifting mechanism;
a rotary seat 18 (i.e., a support II) provided on the base 3 and rotatably engaged with the base 3;
a ball screw pair mounted on the rotary base 18;
a pressure plate 9 and a force sensor 24 fixed to a ball screw of the ball screw pair;
and a displacement sensor 23 fixed on the base 22 by a support column, wherein a measuring head of a measuring rod of the displacement sensor 23 is pressed against the pressure plate 9.
The nut of the ball screw pair is driven by a handwheel of the loading mechanism. The ball screw pair is connected with a hand wheel of the loading mechanism through a speed reducer, and the speed reducer adopts a worm gear structure and has a self-locking function.
A nut of a ball screw pair is mounted on the rotary base 18 through the loading mechanism mounting base 18, and a pressure plate 9 and a force sensor 24 are mounted on the ball screw. The ball screw is connected to the pressure plate 9 via a first connection 8 (i.e., connection I). The ball has cup jointed uide bushing 6 on the lead screw, and 6 both sides of uide bushing are fixed with two guide bars 25, are fixed with on the roating seat 18 with two guide bar 25 complex oilless bush 15, oilless bush 15 passes through second connecting piece 16 (connecting piece II promptly) and is connected the cooperation with oilless bush 15. The ball screw is connected with the rotating seat 18 and the loading mechanism mounting seat 26 through the guide rod 15, so that the pressure plate 9 and the force sensor 24 stably push against the outer plate of the automobile for testing the rigidity (anti-concavity) of the outer plate of the automobile.
The base 22 is an iron floor, a plurality of vertically crossed T-shaped grooves are formed in the iron floor, and the steel column 21 is fixed on the steel column 21 through bolts arranged in the T-shaped grooves and pressing plates 29 matched with the bolts. Because the iron floor is provided with a plurality of vertically crossed T-shaped grooves, the positions of bolts arranged in the T-shaped grooves can be adjusted as required, and the steel columns 21 are fixed at required positions.
Automobile outer panel rigidity (anti concave) test device still includes: a data acquisition unit 27 (specifically, an industrial data acquisition unit) connected to the displacement sensor 23 and the force sensor 24, and a computer 28 connected to the data acquisition unit 27.
The utility model discloses the concrete working process of automotive exterior panel rigidity (anti concave) test device as follows:
1) the steel column 21 and the bolts arranged in the T-shaped grooves can be adjusted in position and distance as required, and are firmly fixed on the iron floor through the pressing plate 29.
2) And (5) installing the linear guide rail pair 5 on the steel column 21, and adjusting the verticality. The purpose of adopting the linear guide rail mainly comprises the following steps: a. the spiral lifting mechanism enables the loading mechanism to adjust the height up and down; b. the guide function greatly reduces the clearance of up-and-down movement; c. the height may be located by a locking mechanism.
3) The L-support plate 10 is arranged on the steel column 21, and the height and the levelness are adjusted.
4) The screw connection 12 is mounted on the top of the steel column 21 through the L-plate 10:
5) assembling the shaft seat 2 and the slide block of the linear guide rail pair 5 together;
6) assembling a nut (namely a nut) matched with the lifting screw rod with the shaft seat 2;
7) the loading mechanism protective sleeve 19 and the loading mechanism mounting seat 26 are assembled with the support I3 and the support II 18, and then assembled with the guide rod mechanism (containing the oilless bush 15).
The support is divided into a support I and a support II, the support I and the support II can rotate, the loading angle is adjusted, and the support is locked by a bolt after the loading angle is adjusted.
And the loading mechanism is loaded by hand wheel operation.
8) Assembling the assembly of step 7) with the steel shaft 4. The loading mechanism can rotate around the steel shaft 4 to realize angle adjustment, and after the angle adjustment is finished, the loading mechanism is locked by bolts.
9) And 8) after the assembly is finished, the steel shaft 4 is assembled with the lifting mechanism through the shaft seat 2, and the levelness is adjusted.
10) The two spiral lifters of the lifting mechanism are linked through a linkage rod 17 and a coupler 14 to realize synchronous operation.
11) The driving mode of the lifting mechanism has two options: the lifting screw rod is driven by a hand wheel 11 and a servo motor 20, and the cost is determined according to the input cost.
The device consists of three parts, namely a rigid body frame, a loading mechanism and a lifting mechanism:
rigid frame: the steel column-supporting bearing test device is composed of an iron floor, a steel column 21, an L-supporting plate 10 and a bearing seat 1, and has enough rigidity when being used as a test device framework.
The lifting mechanism is used for realizing vertical lifting of the loading mechanism, and measuring points with different heights can be detected. Two symmetrical spiral lifters are adopted, and the speeds of the two lifters are kept synchronous through a linkage rod 17; the screw of the lifting mechanism is connected with the shaft seat 2, the shaft seat 2 is connected with the slide block of the linear guide rail pair 5 arranged on the rigid body frame, and the slide block is provided with a locking device and can be positioned and locked at the adjusted height; meanwhile, the overall rigidity of the device can be increased by adding the structure; the worm gear reducer has a self-locking function.
The loading mechanism is used for test loading, and slow loading can be realized by adopting a speed ratio of 1: 20; the worm gear reducer has a self-locking function; a steel shaft of the loading mechanism is connected with a shaft seat of the lifting mechanism to realize height adjustment; the loading direction can be adjusted by rotating the support I, the support II and the steel shaft to adjust the space angle, and the steel shaft is locked by a bolt after being adjusted.
The above-mentioned detailed description of the technical solution and the beneficial effects of the present invention have been described in detail, it should be understood that the above is only the most preferred embodiment of the present invention, not used for limiting the present invention, any modification, supplement, equivalent replacement, etc. made within the principle scope of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides an automobile outer panel rigidity test device which characterized in that includes:
a base;
a steel column fixed on the base;
the lifting mechanism is arranged on the steel column;
the loading mechanism is arranged on the lifting mechanism;
the loading mechanism comprises:
the base is fixed on the steel shaft of the lifting mechanism;
the rotating seat is arranged on the base and is in rotating fit with the base;
the ball screw pair is arranged on the rotating seat;
the pressure plate and the force sensor are fixed on a ball screw of the ball screw pair;
and the displacement sensor is fixed on the base through a support column, and a measuring head of a measuring rod of the displacement sensor is propped against the pressure plate.
2. The rigidity test device for the automobile outer panel according to claim 1, wherein a nut of the ball screw pair is driven by a hand wheel of a loading mechanism.
3. The rigidity test device for the automobile outer plate according to claim 1, wherein a nut of the ball screw pair is connected with a hand wheel of the loading mechanism through a speed reducer, and the speed reducer adopts a worm and gear structure.
4. The rigidity test device for the automobile outer plate according to claim 1, wherein a guide sleeve is sleeved on the ball screw, two guide rods are fixed on two sides of the guide sleeve, and a bushing matched with the two guide rods is fixed on the rotating seat.
5. The rigidity test device for the automobile outer panel according to claim 1, wherein the elevating mechanism comprises:
two linear guide rail pairs arranged on the steel column;
the steel shaft is fixed on the sliding blocks of the two linear guide rail pairs;
the shaft seats are arranged at two ends of the steel shaft;
the lead screw nut is arranged in the shaft seat;
the lifting screw rod is matched with the screw rod nut;
and a servo motor for driving the lifting screw rod.
6. The rigidity test device for the automobile outer panel according to claim 5, wherein the lifting screw is connected with a lifting mechanism hand wheel.
7. The rigidity test device for the automobile outer plate as claimed in claim 5, wherein the number of the servo motors is one, and the servo motors are synchronized to the two lifting screw rods through a coupler and a linkage rod.
8. The rigidity test device for the automobile outer panel according to claim 1, wherein the base is an iron floor, a plurality of T-shaped grooves which are vertically crossed are formed in the iron floor, and the steel column is fixed through bolts which are arranged in the T-shaped grooves and pressure plates which are matched with the bolts.
9. The rigidity test device for the automobile outer plate according to claim 1, wherein the number of the steel columns is 4, wherein the automobile outer plate is fixed on two of the steel columns, and the lifting mechanism is installed on the other two steel columns.
10. The rigidity test device for an automobile outer panel according to claim 1, further comprising: the displacement sensor is connected with the force sensor through a data acquisition unit, and the computer is connected with the data acquisition unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091004.XU CN210293591U (en) | 2019-07-12 | 2019-07-12 | Rigidity test device for automobile outer plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091004.XU CN210293591U (en) | 2019-07-12 | 2019-07-12 | Rigidity test device for automobile outer plate |
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| Publication Number | Publication Date |
|---|---|
| CN210293591U true CN210293591U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921091004.XU Active CN210293591U (en) | 2019-07-12 | 2019-07-12 | Rigidity test device for automobile outer plate |
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| CN (1) | CN210293591U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274740A (en) * | 2019-07-12 | 2019-09-24 | 宜宾同济汽车研究院有限公司 | A kind of automobile exterior panel stiffness test device |
| CN112484971A (en) * | 2020-10-28 | 2021-03-12 | 中汽研汽车检验中心（天津）有限公司 | Portable automobile side protection strength detection device |
-
2019
- 2019-07-12 CN CN201921091004.XU patent/CN210293591U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274740A (en) * | 2019-07-12 | 2019-09-24 | 宜宾同济汽车研究院有限公司 | A kind of automobile exterior panel stiffness test device |
| CN112484971A (en) * | 2020-10-28 | 2021-03-12 | 中汽研汽车检验中心（天津）有限公司 | Portable automobile side protection strength detection device |
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Address after: Room 627, enterprise service center, No.17, section 3, Lingang Avenue, Lingang Economic Development Zone, Yibin City, Sichuan Province, 644000 Patentee after: Yibin Yizhi New Energy Vehicle Technology Co., Ltd Address before: Room 627, enterprise service center, No.17, section 3, Lingang Avenue, Lingang Economic Development Zone, Yibin City, Sichuan Province, 644000 Patentee before: Yibin Tongji Automobile Research Institute Co., Ltd |