Spatial position intelligent adaptive automobile cover cap test equipment

Abstract

The utility model provides a spatial position intelligent adaptive automobile cover cap test device, which is used for applying pre-tightening force to a cover cap lock when a performance test is carried out on the automobile cover cap lock, and is characterized in that a horizontally arranged fixed base is provided with a supporting stand column which is driven by an X-direction motor and moves back and forth along the X direction; a loading electric cylinder which is driven by a Y-direction motor, moves left and right in the Y direction and is arranged in the Z direction is arranged on one side of the supporting stand column, an electric cylinder push rod of the loading electric cylinder is arranged downwards in the Z direction, and the electric cylinder push rod of the loading electric cylinder is fixedly connected with the fixed end of a force sensor. The force bearing end of the force sensor is fixedly connected with an upper end lock catch of a cover cap lock to be tested through different external clamps. According to the utility model, a sliding table structure is fully utilized, rapid adjustment of loading position XY plane positions is realized, adjustment and loading of spatial positions can be rapidly realized by combining Z-direction displacement of an electric cylinder, and rapid alignment and connection of loading positions can be realized by taking equipment as an adjusting end, so that the test efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the field of automobile parts testing and experimental devices, and relates to a spatial position intelligent adaptation automobile cover testing device. Background Art

[0002] When a car is driving at high speed, the front hood may occasionally lift up due to insufficient locking force of the hood lock, which poses a fatal threat to the life safety of the driver and passengers in the vehicle. Therefore, it is necessary to conduct a locking force performance test on the hood lock.

[0003] In the past, a test device could only be adapted to a small number of car models due to the problem of spatial size range, and the body position could only be adjusted continuously during the installation and alignment of the test device and the hood lock of the tested car model, which was very laborious. In response to this situation, a spatial position intelligently adapted automobile hood test device was invented, which can adapt to the space of various passenger car models, and has low requirements on the body position and the spatial installation position of the hood lock, making it convenient and quick to open the test. Utility Model Content

[0004] In order to overcome the problems existing in the prior art, the utility model provides a spatial position intelligent adaptation automobile cover test device.

[0005] The utility model is realized by adopting the following technical solutions:

[0006] A spatial position intelligent adaptation automobile hood test equipment is used for applying a pre-tightening force to the automobile hood lock by connecting a fixture with the upper end lock buckle of the hood lock when performing a performance test on the automobile hood lock. The equipment comprises a fixed base of a horizontally arranged rectangular plate structure, a supporting column of a rectangular column structure driven by an X-direction motor and moving forward and backward along the X direction is arranged on the fixed base, a loading electric cylinder driven by a Y-direction motor and moving left and right along the Y direction and arranged along the Z direction is arranged on one side of the supporting column, a piston rod of the loading electric cylinder is arranged downward along the Z direction, the piston rod of the loading electric cylinder is fixedly connected to the fixed end of a force sensor, and the force-bearing end of the force sensor is fixedly connected to the upper end lock buckle of the hood lock to be tested through different external fixtures.

[0007] Further technical solutions include:

[0008] Two X-direction guide rails arranged along the X-direction are symmetrically arranged on the left and right sides of the fixed base, and an X-direction lead screw arranged along the X-direction is arranged between the two X-direction guide rails. One end of the X-direction lead screw is driven to rotate by an X-direction motor fixed on the fixed base, and an X-direction nut is threadedly connected to the X-direction lead screw. The upper surface of the X-direction nut is fixedly connected to the lower surface of the base plate of the supporting column, and two X-direction sliders are slidably installed on each X-direction lead screw, and the four X-direction sliders are fixed on the lower surface of the four corner points of the base plate of the supporting column.

[0009] One end of the X-axis lead screw is supported and fixed in an X-axis fixed seat with a bearing, and the other end of the X-axis lead screw is supported and fixed in an X-axis support seat with a bearing. The X-axis motor is fixed on the X-axis fixed seat, and the X-axis fixed seat and the X-axis support seat are fixed on the upper surface of the fixed base.

[0010] A Y-direction platform in the shape of a rectangular plate horizontally arranged in the Y-direction extends from a side surface of the supporting column in the Y-direction, and two Y-direction guide rails arranged in the Y-direction are symmetrically arranged on the front and rear sides of the Y-direction platform. A Y-direction lead screw arranged in the Y-direction is provided between the two Y-direction guide rails. One end of the Y-direction lead screw is driven to rotate by a Y-direction motor fixed on the Y-direction platform, and a Y-direction nut is threadedly connected to the Y-direction lead screw. The lower surface of the Y-direction nut is fixedly connected to the center of the upper surface of a rectangular plate-shaped Y-direction adapter plate. A Y-direction slider is slidably mounted on each Y-direction lead screw, and the two Y-direction sliders are fixed on the lower surface of the Y-direction adapter plate. A rectangular through groove running through the thickness direction of the Y-direction platform is opened in the Y-direction on the upper surface of the Y-direction platform, and the rectangular through groove is located below the Y-direction adapter plate. After the rear end of the cylinder body of the loading electric cylinder is fixedly connected to the center of the lower surface of the Y-direction adapter plate, the loading electric cylinder extends downward through the rectangular through groove, so that the loading electric cylinder can move left and right in the Y-direction in the rectangular through groove driven by the Y-direction adapter plate.

[0011] One end of the Y-axis lead screw is supported and fixed in a Y-axis fixed seat with a bearing, the other end of the Y-axis lead screw is supported and fixed in a Y-axis support seat with a bearing, the Y-axis motor is fixed on the Y-axis fixed seat, and the Y-axis fixed seat and the Y-axis support seat are fixed on the upper surface of the Y-axis platform.

[0012] The rear end of the cylinder body of the loading electric cylinder is fixedly connected to the center of the lower surface of the Y-axis adapter plate through a connecting flange.

[0013] The end of the Y-axis platform is fixedly connected to the side surface of the supporting column through a vertically arranged rectangular connecting plate.

[0014] Two triangular reinforcing plates are fixedly arranged between the two sides of the lower surface of the Y-direction platform and the two sides of the rectangular connecting plate to enhance the strength of the Y-direction platform.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] When installing the test piece, in order to ensure the test effect, the cover lock is installed on the actual vehicle body. First, use a crane to lift the body and lift it to the area where the cover lock is in the movable coverage of the loading cylinder. Strict alignment is not required. Drop the body and fix it to the iron floor with anchor bolts. Then drive the X-axis motor and Y-axis motor respectively, and make the loading cylinder face the cover lock below. Adjust the Z-axis height through the loading cylinder, and then connect the force sensor to the upper end lock of the cover lock through the fixture according to the lock form. Move the loading cylinder slightly upward to increase some preload. At this time, it is ready and can be tested.

[0017] The utility model provides a spatial position intelligent adaptation automobile hood test equipment, which makes full use of the slide structure to realize the rapid adjustment of the X and Y plane positions of the loading position, and combines the Z-direction displacement of the electric cylinder to quickly realize the adjustment and loading of the spatial position. The utility model can effectively improve the adaptability of the equipment to various types of vehicles, and using the equipment as the adjustment end can realize the rapid alignment and connection of the loading position, and the test efficiency is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] Figure 1 This is one of the structural schematic diagrams of a spatial position intelligent adaptation automobile cover test equipment provided by the utility model.

[0020] Figure 2 The second structural diagram of a spatial position intelligent adaptation automobile cover test equipment provided by the utility model

[0021] Figure 3 It is a partial enlarged view of the Y-axis platform in the present invention.

[0022] In the figure: 1. Y-axis adapter plate, 2. Y-axis nut, 3. Y-axis lead screw, 4. Y-axis guide rail, 5. Y-axis support seat, 6. Y-axis platform, 7. Loading electric cylinder, 8. Pressure sensor, 9. Y-axis slider, 10. Y-axis fixed seat, 11. Y-axis motor, 12. X-axis motor, 13. X-axis fixed seat, 14. Fixed base, 15. X-axis support seat, 16. X-axis guide rail, 17. X-axis slider, 18. X-axis lead screw, 19. X-axis nut, 20. Support column, 21. Rectangular connecting plate, 22. Reinforcement plate, 23. Rectangular through groove, 24. Connecting flange. DETAILED DESCRIPTION

[0023] The utility model is described in detail below in conjunction with the accompanying drawings:

[0024] The utility model provides a spatial position intelligent adaptation automobile hood test device, which is used to apply a pre-tightening force to the hood lock by connecting the clamp with the upper end lock buckle of the hood lock when performing a performance test on the automobile hood lock. Figure 1 and Figure 2 As shown, it includes a fixed base 14 of a horizontally arranged rectangular plate structure, on which a supporting column 20 of a rectangular column structure driven by an X-direction motor 12 and moving forward and backward along the X direction is arranged, and one side of the supporting column 20 is provided with a loading electric cylinder 7 arranged along the Z direction and moving left and right along the Y direction driven by a Y-direction motor 11, the piston rod of the loading electric cylinder 7 is arranged downward along the Z direction, the piston rod of the loading electric cylinder 7 is fixedly connected to the fixed end of a force sensor 8, and the force-bearing end of the force sensor 8 is fixedly connected to the upper end lock buckle of the cover lock to be tested through different external clamps.

[0025] In this embodiment, Figure 1 and Figure 2 As shown, two X-direction guide rails 16 arranged along the X-direction are symmetrically arranged on the left and right sides of the fixed base 14, and an X-direction lead screw 18 arranged along the X-direction is arranged between the two X-direction guide rails 16. One end of the X-direction lead screw 18 is driven to rotate by an X-direction motor 12 fixed to the fixed base 14. An X-direction nut 19 is threadedly connected to the X-direction lead screw 18. The upper surface of the X-direction nut 19 is fixedly connected to the lower surface of the base plate of the support column 20. Two X-direction sliders 17 are slidably mounted on each X-direction lead screw 18, and the four X-direction sliders 17 are fixed on the lower surface of the four corner points of the base plate of the support column 20.

[0026] In this embodiment, Figure 1 and Figure 2 As shown, one end of the X-axis lead screw 18 is supported and fixed in an X-axis fixed seat 13 with a bearing, and the other end of the X-axis lead screw 18 is supported and fixed in an X-axis support seat 15 with a bearing. The X-axis motor 12 is fixed on the X-axis fixed seat 13, and the X-axis fixed seat 13 and the X-axis support seat 15 are fixed on the upper surface of the fixed base 14.

[0027] In this embodiment, Figure 1 and Figure 2As shown, a Y-direction platform 6 in the shape of a rectangular plate horizontally arranged in the Y-direction extends from a side surface of the support column 20 in the Y-direction, two Y-direction guide rails 4 arranged in the Y-direction are symmetrically arranged at intervals on the front and rear sides of the Y-direction platform 6, and a Y-direction lead screw 3 arranged in the Y-direction is arranged between the two Y-direction guide rails 4. One end of the Y-direction lead screw 3 is driven to rotate by a Y-direction motor 11 fixed to the Y-direction platform 6, and a Y-direction nut 2 is threadedly connected to the Y-direction lead screw 3. The lower surface of the Y-direction nut 2 is fixedly connected to the center of the upper surface of a rectangular plate-shaped Y-direction adapter plate 1. Then, each Y-direction lead screw 3 is slidably mounted with a Y-direction slider 9, and the two Y-direction sliders 9 are fixed on the lower surface of the Y-direction adapter plate 1. A rectangular through groove 23 penetrating the thickness direction of the Y-direction platform 6 is opened on the Y-direction platform 6 along the Y-direction, and the rectangular through groove 23 is located below the Y-direction adapter plate 1. After the rear end of the cylinder body of the loading electric cylinder 7 is fixedly connected to the center of the lower surface of the Y-direction adapter plate 1, the loading electric cylinder 7 extends downward through the rectangular through groove 23, so that the loading electric cylinder 7 can move left and right along the Y-direction in the rectangular through groove 23 under the drive of the Y-direction adapter plate 1.

[0028] In this embodiment, Figure 1 and Figure 2 As shown, one end of the Y-axis lead screw 3 is supported and fixed in a Y-axis fixed seat 10 with a bearing, the other end of the Y-axis lead screw 3 is supported and fixed in a Y-axis support seat 5 with a bearing, the Y-axis motor 11 is fixed on the Y-axis fixed seat 10, and the Y-axis fixed seat 10 and the Y-axis support seat 5 are fixed on the upper surface of the Y-axis platform 6.

[0029] In this embodiment, Figure 3 As shown, the rear end of the cylinder body of the loading electric cylinder 7 is fixedly connected to the center of the lower surface of the Y-axis adapter plate 1 through a connecting flange 24.

[0030] In this embodiment, Figure 1 and Figure 2 As shown, the end of the Y-axis platform 6 is fixedly connected to the side surface of the support column 20 through a vertically arranged rectangular connecting plate 21.

[0031] In this embodiment, Figure 1 and Figure 2 As shown, two triangular reinforcing plates 22 are fixedly arranged between the two sides of the lower surface of the Y-axis platform 6 and the two sides of the rectangular connecting plate 21 to enhance the strength of the Y-axis platform 6 .

[0032] The structural principle of a spatial position intelligent adaptation automobile cover test equipment provided by the utility model is as follows:

[0033] The Y-axis adapter plate 1, the Y-axis nut 2, the Y-axis lead screw 3, the Y-axis guide rail 4, the Y-axis slider 9, the Y-axis support seat 5, the Y-axis platform 6 and the Y-axis fixed seat 10 constitute a Y-axis slide, wherein two Y-axis guide rails 4 are fixed to the Y-axis platform 6 by bolts to bear the Z-axis pressure, the Y-axis support seat 5 and the Y-axis fixed seat 10 are fixed to the Y-axis platform 6 by bolts to support the rotation of the Y-axis lead screw 3, and the Y-axis lead screw 3 cooperates with the Y-axis nut 2 to serve as a transmission mechanism for Y-axis movement. In this embodiment, a reduction mechanism may be provided on the Y-axis motor 11, and the reduction mechanism of the Y-axis motor 11 is fixed to the Y-axis fixed seat 10 by bolts, and is connected to the end connection end of the Y-axis lead screw 3 by a key, as the Y-axis power input, and the motor is connected to the lead screw through the reduction mechanism, which belongs to the common knowledge and conventional technical means in the prior art, and will not be limited or introduced too much here.

[0034] The loading electric cylinder 7 is a loading power unit for the cover lock, and the tail end is a flange structure. The connecting flange 24 is connected to the Y-axis adapter plate 1 by bolts, and the Y-axis adapter plate 1 is further connected to the bottom surface of the Y-axis nut 2 by bolts. At the same time, the bottom surfaces of both ends of the Y-axis adapter plate 1 are connected to two Y-axis sliders 9 by bolts. The Y-axis sliders 9 are combined with the Y-axis guide rails 4 to realize the transmission of the loading force of the loading electric cylinder 7 to the Y-axis platform 6. When the Y-axis motor 11 rotates, it can drive the Y-axis movement adjustment of the loading electric cylinder 7. One end of the force sensor 8 is fixed to the piston rod of the loading electric cylinder 7 by an internal thread, and the other end of the force sensor 8 can be connected to a self-made fixture through a flange plate for combination with the cover lock to be tested. Similarly, at the bottom, the X-axis fixed seat 13, the fixed base 14, the X-axis support seat 15, the X-axis guide rail 16, the X-axis slider 17, the X-axis lead screw 18, the X-axis nut 19 and the support column 20 constitute an X-axis slide, wherein two X-axis guide rails 16 are fixed to the fixed base 14 by bolts, the X-axis support seat 15 and the X-axis fixed seat 13 are fixed to the fixed base 14 by bolts to support the rotation of the X-axis lead screw 18, and the X-axis lead screw 18 cooperates with the X-axis nut 19 to serve as a transmission mechanism for X-axis movement. In this embodiment, a reduction mechanism may be provided on the X-axis motor 12, and the reduction mechanism of the X-axis motor 12 is fixed to the X-axis fixed seat 13 by bolts, and is connected to the end connection end of the X-axis lead screw 18 by a key to serve as the power input in the X-axis. The support column 20 is a rectangular column with a groove-shaped structure to enhance the structural force. It is composed of a bottom plate, a top plate, and two sets of side plates. The four corners of the bottom plate of the support column 20 are connected to four X-direction sliders 17 through bolt holes. The X-direction sliders 17 are combined with the X-direction guide rails 16 to achieve the transmission of the force of the support column 20 to the fixed base 14. At the same time, the bottom plate of the support column 20 is fixed to the X-direction nut 19 at the bottom through four through holes by bolts. Therefore, when the X-direction motor 12 rotates, it can drive the upper end mechanism of the X-direction slide to move in the X direction. A plurality of groups of threaded holes are opened on one side plate of the support column 20. Four through holes are opened on the rectangular connecting plate 21 for connecting the Y-direction platform 6, which can be screwed and fixed with the threaded holes on the support column 20. Through the through holes on the rectangular connecting plate 21 and a group of threaded holes on the side plate of the support column 20, the adaptive installation of the vehicle model with a large height difference can be achieved. The fixed base 14 is provided with a long hole, which corresponds to the T-slot of the iron floor, and the device can be firmly fixed on the iron floor with T-bolts.

[0035] When installing the test piece, in order to ensure the test effect, the cover lock is installed on the actual vehicle body. First, use a crane to lift the body and lift it to the area where the cover lock is in the movable coverage of the loading cylinder. Strict alignment is not required. Drop the body and fix it to the iron floor with anchor bolts. Then drive the X-axis motor 12 and the Y-axis motor 11 respectively, and make the loading cylinder 7 face the cover lock below. Adjust the Z-axis height through the loading cylinder 7, and then connect the force sensor 8 to the upper end lock buckle of the cover lock through the clamp according to the lock form. The loading cylinder 7 moves slightly upward to increase some preload. At this time, it is ready and can be tested.

Claims

1. A spatial position intelligent adaptation automobile hood test equipment, used to apply pre-tightening force to the hood lock by connecting the clamp with the upper end lock buckle of the hood lock when performing a performance test on the automobile hood lock, characterized in that: The invention comprises a fixed base (14) of a horizontally arranged rectangular plate structure, a supporting column (20) of a rectangular column structure driven by an X-direction motor (12) and moving forward and backward along the X direction is arranged on the fixed base (14), a loading electric cylinder (7) arranged along the Z direction and driven by a Y-direction motor (11) and moving left and right along the Y direction is arranged on one side of the supporting column (20), a piston rod of the loading electric cylinder (7) is arranged downward along the Z direction, the piston rod of the loading electric cylinder (7) is fixedly connected to the fixed end of a force sensor (8), and the force-bearing end of the force sensor (8) is fixedly connected to the upper end lock buckle of a cover lock to be tested through different external clamps.

2. The spatial position intelligent adaptation automobile cover test equipment according to claim 1 is characterized in that: Two X-direction guide rails (16) arranged along the X-direction are symmetrically arranged on the left and right sides of the fixed base (14), and an X-direction lead screw (18) arranged along the X-direction is arranged between the two X-direction guide rails (16). One end of the X-direction lead screw (18) is driven to rotate by an X-direction motor (12) fixed to the fixed base (14). An X-direction nut (19) is threadedly connected to the X-direction lead screw (18). The upper surface of the X-direction nut (19) is fixedly connected to the lower surface of the bottom plate of the support column (20). Two X-direction sliders (17) are slidably mounted on each X-direction lead screw (18), and the four X-direction sliders (17) are fixed on the lower surface of the four corner points of the bottom plate of the support column (20).

3. The spatial position intelligent adaptation automobile cover test equipment according to claim 2 is characterized in that: One end of the X-direction lead screw (18) is supported and fixed in an X-direction fixed seat (13) with a bearing, and the other end of the X-direction lead screw (18) is supported and fixed in an X-direction support seat (15) with a bearing. The X-direction motor (12) is fixed on the X-direction fixed seat (13), and the X-direction fixed seat (13) and the X-direction support seat (15) are fixed on the upper surface of the fixed base (14).

4. The spatial position intelligent adaptation automobile cover test equipment according to claim 1 is characterized in that: A Y-direction platform (6) in the shape of a rectangular plate and horizontally arranged in the Y-direction extends from a side surface of the supporting column (20) in the Y-direction. Two Y-direction guide rails (4) arranged in the Y-direction are symmetrically arranged at intervals on the front and rear sides of the Y-direction platform (6). A Y-direction lead screw (3) arranged in the Y-direction is arranged between the two Y-direction guide rails (4). One end of the Y-direction lead screw (3) is driven to rotate by a Y-direction motor (11) fixed on the Y-direction platform (6). A Y-direction nut (2) is threadedly connected to the Y-direction lead screw (3). The lower surface of the Y-direction nut (2) is fixedly connected to the center of the upper surface of a rectangular plate-shaped Y-direction adapter plate (1). Each Y A Y-direction slider (9) is slidably mounted on each of the lead screws (3). The two Y-direction sliders (9) are fixed on the lower surface of the Y-direction adapter plate (1). A rectangular through groove (23) penetrating the thickness direction of the Y-direction platform (6) is opened on the Y-direction platform (6) along the Y-direction. The rectangular through groove (23) is located below the Y-direction adapter plate (1). After the rear end of the cylinder body of the loading electric cylinder (7) is fixedly connected to the center of the lower surface of the Y-direction adapter plate (1), the loading electric cylinder (7) extends downward through the rectangular through groove (23), so that the loading electric cylinder (7) can move left and right along the Y-direction in the rectangular through groove (23) under the drive of the Y-direction adapter plate (1).

5. The spatial position intelligent adaptation automobile cover test equipment according to claim 4 is characterized in that: One end of the Y-direction lead screw (3) is supported and fixed in a Y-direction fixed seat (10) with a bearing, the other end of the Y-direction lead screw (3) is supported and fixed in a Y-direction support seat (5) with a bearing, the Y-direction motor (11) is fixed on the Y-direction fixed seat (10), and the Y-direction fixed seat (10) and the Y-direction support seat (5) are fixed on the upper surface of the Y-direction platform (6).

6. The spatial position intelligent adaptation automobile cover test equipment according to claim 4 is characterized in that: The rear end of the cylinder body of the loading electric cylinder (7) is fixedly connected to the center of the lower surface of the Y-direction adapter plate (1) via a connecting flange (24).

7. A spatial position intelligent adaptation automobile cover test equipment according to any one of claims 4 to 6, characterized in that: The end of the Y-axis platform (6) is fixedly connected to the side surface of the supporting column (20) via a vertically arranged rectangular connecting plate (21).

8. The spatial position intelligent adaptation automobile cover test equipment according to claim 7 is characterized in that: Two triangular reinforcing plates (22) are fixedly arranged between the two sides of the lower surface of the Y-direction platform (6) and the two sides of the rectangular connecting plate (21) to strengthen the strength of the Y-direction platform (6).

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