CN110926831B

CN110926831B - Pedestrian protection head type test point mirror image device

Info

Publication number: CN110926831B
Application number: CN201911264218.7A
Authority: CN
Inventors: 赖政剑; 赵会; 禹慧丽; 李筱磊; 刘文举; 涂超; 吴旗浩; 苏实; 潘黄兴
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Mingyue Lake Intellectual Property Operation Co.,Ltd.
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2021-09-03
Anticipated expiration: 2039-12-11
Also published as: CN110926831A

Abstract

The invention relates to a pedestrian protection head type test point mirror device, which comprises a base frame and a laser projector arranged on a laser mounting bracket; the lower part of the base frame is provided with a cover plate mounting point. The laser installation support comprises a z-axis seat and a y-axis seat, one side of the z-axis seat is connected with the base frame in a sliding mode, and a first through hole penetrating through the upper surface and the lower surface of the base frame is formed in the upper surface and the lower surface of the base frame. The upper portion of y axle bed is provided with the recess, is equipped with corresponding second through-hole on the both sides wall of recess, is equipped with the axis of rotation that runs through the second through-hole on the y axle bed, is connected with first rotation handle after the axis of rotation passes the second through-hole. The rotating shaft is provided with a third through hole, and the lower part of the laser projector is inserted into the third through hole. And a vertical downward connecting shaft is fixed at the bottom of the y shaft seat, and the connecting shaft penetrates through the first through hole from the upper part of the z shaft seat to be connected with a second rotating handle. The invention can record all test points at one time and copy the test points to the test sub-cover plate, thereby solving the problems of complex test process and low fluency in the prior art.

Description

Pedestrian protection head type test point mirror image device

Technical Field

The invention relates to a pedestrian protection test, in particular to a pedestrian protection head type test point mirror image device.

Background

In a round of pedestrian protection head type test of a pedestrian protection crash test, dozens to dozens of test points are provided, the test points are selected to be completed on a mother cover plate in a scribing stage before the test, however, the test points are not provided on a child cover plate used in the test crash process, and the test points need to be distributed on different child cover plates according to a test plan.

At present, the adopted method is that three coordinates are used for recording the coordinates of a test point on a mother cover plate, then the mother cover plate is dismounted from a whole vehicle in the test process, a child cover plate for testing is installed, the corresponding test point is found on the child cover plate through the three coordinates, and after each child cover plate is finished, the three-coordinate instrument needs to be moved again and positioned, so that the test process is complex, the smoothness is low, and errors are easy to occur in the test process. The problem to be solved is to design a device which can record all the test points at one time and copy the test points to the test sub-cover plate.

CN205352650U discloses a positioning device for pedestrian protection test head collision point, which comprises a bracket and a beam assembled on the bracket, wherein the bracket is provided with a mounting part for connecting with an impact head of impact equipment; the device comprises a crossbeam, a plurality of laser projectors, a plurality of pedestrian protection test head collision point, a plurality of laser projectors, a plurality of pedestrian protection test head collision points and a plurality of laser projectors, wherein the laser beams emitted by the laser projectors are parallel and coplanar, and the distance between the laser beams emitted by the two adjacent laser projectors is equal to the distance between the pedestrian protection test head collision points in the vehicle width direction. The application has the advantages of simple structure, simplicity and convenience in operation, and capability of quickly and accurately marking the collision points, and improving the efficiency and accuracy of the pedestrian protection test. This is, of course, a beneficial attempt in the art.

Disclosure of Invention

The invention aims to provide a pedestrian protection test point mirroring device which can record all test points at one time and copy the test points to a test sub-cover plate, and solves the problems of complexity and low fluency of the existing test process.

The invention provides a pedestrian protection head type test point mirroring device which comprises a base frame and a laser projector arranged on a laser mounting support, wherein the laser mounting support is arranged on the upper part of the base frame; a cover plate mounting point is arranged at the lower part of the base frame;

the laser mounting bracket comprises a z-axis seat and a y-axis seat, one side of the z-axis seat is connected with the base frame in a sliding manner, and the upper surface and the lower surface of the z-axis seat are provided with a first through hole which penetrates through the base frame;

a groove is formed in the upper portion of the y-axis seat, second through holes corresponding to the grooves are formed in two side walls of the groove, a rotating shaft penetrating through the second through holes is arranged on the y-axis seat, a limiting block is arranged at one end of the rotating shaft, the other end of the rotating shaft penetrates through the second through holes and is connected with a first rotating handle, and the rotating shaft can rotate along with the first rotating handle; the part of the rotating shaft, which is positioned in the groove, is provided with a third through hole, the axis direction of which is vertical to the length direction of the rotating shaft, the lower part of the laser projector is inserted into the third through hole, and the space of the groove is enough for the part of the laser projector, which is positioned in the groove, to freely rotate;

and a vertical downward connecting shaft is fixed at the bottom of the y shaft seat, the connecting shaft penetrates through the first through hole from the upper part of the z shaft seat to be connected with a second rotating handle, and the connecting shaft can rotate along with the second rotating handle.

Further, axis of rotation and connecting axle rotate handle screw-thread fit with first rotation handle and second respectively, just first rotation handle and second rotate the handle and all include the handle and have the screw hole connector, just the connector is located the one end tip of handle, the axis direction of screw hole is perpendicular with the length direction of handle.

Furthermore, the base frame comprises a supporting seat, two upright columns and a plurality of cross beams, wherein the upright columns are respectively a left upright column and a right upright column, and two ends of each cross beam are respectively fixedly connected with the left upright column and the right upright column; the beam comprises an upper beam, a middle beam and a lower beam which are arranged in parallel, and a plurality of laser mounting brackets are fixedly connected to the upper beam and the middle beam; the upright posts are also fixedly connected with a supporting seat, the supporting seat and the lower cross beam are arranged at the lower parts of the two upright posts, the lower cross beam is positioned at the front side, and the supporting seat is positioned at the rear side of the upright posts; the mounting point of the cover plate is positioned on the lower cross beam.

Further, the supporting seat comprises a left short stand column, a right short stand column, a rear cross beam, a left longitudinal beam and a right longitudinal beam, two ends of the rear cross beam are respectively fixedly connected with the left short stand column and the right short stand column, two ends of the left longitudinal beam are respectively connected with the left stand column and the left short stand column, and two ends of the right longitudinal beam are respectively fixedly connected with the right stand column and the right short stand column.

Furthermore, the mounting points of the cover plate are two, one is connected with a cover plate positioning block, and the other is connected with a cover plate angle supporting plate.

Furthermore, the upright columns and the cross beams of the base frame are both provided with strip-shaped holes extending along the length direction of the upright columns and the cross beams, and the connection mode is bolt connection.

Furthermore, a fourth through hole which is perpendicular to the first through hole and does not intersect with the first through hole is formed in the z-axis seat, and a bolt penetrates through the fourth through hole and the strip-shaped hole to be fixedly connected with the sliding block in the beam.

Has the advantages that: the laser projector is arranged on a rotating shaft of the laser mounting bracket, the laser mounting bracket is movably arranged on the cross beam, and the laser mounting bracket can move in the horizontal direction so that the laser projector can also move along with the laser mounting bracket; the y shaft seat on the laser mounting bracket can be driven by the second rotating handle to rotate, and the rotating shaft arranged on the y shaft seat rotates along with the y shaft seat, so that the laser projector also rotates along with the y shaft seat; the rotating shaft arranged on the y shaft seat can be driven by the first rotating handle to rotate, so that the laser projector rotates along with the rotating shaft.

The laser projector can adjust the position in the rotation and the movement of three kinds of differences, so that the projection adjusting range of the laser projector is wider and more comprehensive, and the laser projector can be projected to any position on the cover plate only by adjusting the laser mounting bracket. The cover plate is installed in the lower part of bed frame, make its laser projector can be accurate project on the cover plate, set up two mounting points on the bottom end rail, make its laser project behind the test point on the cover plate of lighting a mother, keep laser projector fixed position unchangeable, take off mother's cover plate, the position at mother's cover plate of installing that son's cover plate can be accurate, make the quick accurate duplication of test point on its mother's cover plate to son's cover plate on, the process is simple, quick, numerous the same son's cover plate can be duplicated in once adjustment, the efficiency of manufacture is improved.

The invention can record all test points at one time and copy the test points to the test sub-cover plate, thereby solving the problems of complex test process and low fluency in the prior art.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the base frame.

Fig. 3 is a schematic structural view of a laser mounting bracket.

FIG. 4 is a schematic structural diagram of a z-axis seat.

Fig. 5 is a schematic structural view of the turning handle.

FIG. 6 is a schematic structural diagram of the y-axis seat.

Fig. 7 is a schematic structural view of the rotating shaft.

Fig. 8 is a schematic structural view of a slider.

In the figure: 1-base frame, 11-left upright post, 12-right upright post, 13-upper cross beam, 14-middle cross beam, 15-lower cross beam, 151-cover plate positioning block, 152-cover plate corner supporting plate, 16-rear cross beam, 17-left short upright post, 18-right short upright post, 19-left longitudinal beam and 110-right longitudinal beam.

2-laser installation support, 21-laser projector, 22-z shaft seat, 221-first through hole, 222-fourth through hole;

23-y shaft seat, 231-groove, 232-second through hole, 233-rotating shaft, 2331-third through hole, 2332-fixing hole, 2333-limiting block and 235-connecting shaft;

3-a first rotating handle, 31-a second rotating handle, 32-a connector, 33-a handle;

4-cover plate, 5-slide block, 6-straight connecting plate and 7-L-shaped connecting plate.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

1-8, the pedestrian protection head type test point mirroring device comprises a base frame 1, a laser projector 21 mounted on a laser mounting bracket, wherein the laser mounting bracket 2 is mounted on the upper part of the base frame 1; and a cover plate mounting point is arranged at the lower part of the base frame 1.

The laser installation support 2 comprises a z-axis seat 22 and a y-axis seat 23, one side of the z-axis seat 22 is connected with the base frame 1 in a sliding mode, and a first through hole 221 penetrating through the upper surface and the lower surface of the base frame is formed in the upper surface and the lower surface of the base frame.

A groove 231 is formed in the upper part of the y-axis seat 23, two corresponding second through holes 232 are formed in two side walls of the groove 231, a rotating shaft 233 penetrating through the second through holes 232 is arranged on the y-axis seat 23, a limiting block 2333 is arranged at one end of the rotating shaft 233, the other end of the rotating shaft 233 penetrates through the second through holes 232 and then is connected with a first rotating handle 3, and the rotating shaft 233 can rotate along with the first rotating handle 3; the part of the rotation shaft 233 in the groove 231 is provided with a third through hole 2331 having an axial direction perpendicular to the longitudinal direction of the rotation shaft 233, the lower portion of the laser projector 21 is inserted into the third through hole 2331, and the space of the groove 231 is enough for the part of the laser projector 21 in the groove 231 to freely rotate.

A vertically downward connecting shaft 235 is fixed at the bottom of the y-axis seat 23, the connecting shaft 235 penetrates through the first through hole 221 from the upper part of the z-axis seat 22 to be connected with a second rotating handle 31, and the connecting shaft 235 can rotate along with the second rotating handle 31.

Further, axis of rotation 233 and connecting axle 235 rotate handle 31 screw-thread fit with first rotation handle 3 and second respectively, just first rotation handle 3 and second rotate handle 31 and all include handle 33 and have screw hole connector 32, just connector 32 is located the one end tip of handle 33, the axis direction of screw hole is perpendicular with the length direction of handle 33, makes its rotation make things convenient for labour saving and time more like this. The threaded portions are entirely located outside the through-holes, so that the rotary shaft 233 and the connecting shaft 235 can be rotated with the first rotary handle 3 and the second rotary handle 31, respectively.

Further, the base frame 1 comprises a supporting seat, two upright columns and a plurality of cross beams, wherein the upright columns are respectively a left upright column 11 and a right upright column 12, and two ends of each cross beam are respectively fixedly connected with the left upright column 11 and the right upright column 12; the beam comprises an upper beam 13, a middle beam 14 and a lower beam 15 which are arranged in parallel, and the upper beam 13 and the middle beam 14 are fixedly connected with a plurality of laser mounting brackets 2; the upright columns are also fixedly connected with a supporting seat, the supporting seat and the lower cross beam 15 are arranged at the lower parts of the two upright columns, the lower cross beam 15 is positioned at the front side, and the supporting seat is positioned at the rear side of the upright columns; the mounting point of the cover plate is positioned on the lower cross beam 15, the cover plate 4 is detachably fixed on the lower cross beam 15, the cover plates are a mother cover plate and a child cover plate, the mother cover plate is firstly mounted, the position of the laser emitter is adjusted, the mother cover plate is taken down after the adjustment, the child cover plate is fixedly connected at the same position, the laser emitter irradiates on the child cover plate, corresponding marks are made, and then the copying is completed.

Further, the supporting seat comprises a left short upright post 17, a right short upright post 18, a rear cross beam 16, a left longitudinal beam 19 and a right longitudinal beam 110, two ends of the rear cross beam 16 are respectively fixedly connected with the left short upright post 17 and the right short upright post 18, two ends of the left longitudinal beam 19 are respectively connected with the left upright post 11 and the left short upright post 17, and two ends of the right longitudinal beam 110 are respectively fixedly connected with the right upright post 12 and the right short upright post 18. The support base makes the base frame 1 more stable.

Furthermore, the mounting points of the cover plate are two, one is connected with a cover plate positioning block 151, and the other is connected with a cover plate angle support plate 152. This allows all the panels 4 to be mounted in the same position, so that their child panels can completely duplicate the parent panel.

Further, all set up on the stand of bed frame 1 and the crossbeam and extend its length direction's bar hole, the connected mode is bolted connection. Bolted connection makes its bed frame 1 can dismantle, and the position that the bar hole made its crossbeam can change, makes its laser projector 21's adjustment range wider, and can use straight connecting plate 6 and L shape connecting plate 7 to strengthen the joint strength during the connection.

Further, a fourth through hole 222 perpendicular to the first through hole 221 but not intersecting is formed in the z-axis seat 22, and a bolt penetrates through the fourth through hole 222 and the strip-shaped hole to be fixedly connected with the slider 5 inside the beam. When the laser installation support is installed, the part of the bolt close to the z-axis seat 22 is provided with threads to act with the strip-shaped hole, and the part close to the sliding block 5 is smooth and does not act with the strip-shaped hole, so that the laser installation support 2 can smoothly move on a cross beam and can also be fixed; the bolt is fixed when being screwed up, can move but can not fall down after loosening, and can move and fix in time. The z-axis seat 22 is provided with a through hole, a bolt is arranged in each through hole, the upper cross beam 13 and the middle cross beam 14 are arranged in two layers, each layer is provided with a strip-shaped hole, and every two bolts are positioned in one through hole, so that the laser mounting bracket 2 can smoothly and stably move on the cross beam.

Claims

1. A pedestrian protection head type test point mirror device, comprising a base frame (1), a laser projector (21) mounted on a laser mounting bracket (2), characterized in that the laser mounting bracket (2) is installed On the upper part of the base frame (1); the lower part of the base frame (1) is provided with a cover plate installation point;

The laser mounting bracket (2) includes a z-axis seat (22) and a y-axis seat (23), one side of the z-axis seat (22) is slidably connected with the base frame (1), and a a first through hole (221) passing through;

The upper part of the y-axis seat (23) is provided with a groove (231), the two side walls of the groove (231) are provided with corresponding second through holes (232), and the y-axis seat (23) is provided with a corresponding second through hole (232). A rotating shaft (233) passing through the second through hole (232) is provided, one end of the rotating shaft (233) is provided with a limiting block (2333), and the other end passes through the second through hole (232) and is connected to the first rotating shaft (233). The handle (3), the rotating shaft (233) can rotate with the first rotating handle (3); the part of the rotating shaft (233) located in the groove (231) is provided with the axis direction and the rotating shaft (233) A third through hole (2331) perpendicular to the length direction, the lower part of the laser projector (21) is inserted into the third through hole (2331), and the space of the groove (231) is sufficient for the laser projector (21) to be located in the third through hole (2331) The part in the groove (231) is free to rotate;

The bottom of the y-axis seat (23) is fixed with a vertically downward connecting shaft (235), and the connecting shaft (235) is connected with a second through hole (221) from the upper part of the z-axis seat (22) through the first through hole (221). a rotating handle (31), the connecting shaft (235) can rotate with the second rotating handle (31);

The base frame (1) includes a support seat, two uprights and a plurality of beams, the uprights are respectively a left upright (11) and a right upright (12), and two ends of the crossbeam are respectively connected with the left upright (11) and the right upright (12). The right upright column (12) is fixedly connected; the beam includes an upper beam (13), a middle beam (14) and a lower beam (15) arranged in parallel, and the upper beam (13) and the middle beam (14) are all fixedly connected A plurality of laser mounting brackets (2); the upright column is also fixedly connected with the support base, and the support base and the lower beam (15) are both arranged at the lower part of the two upright columns, and the lower beam (15) is located on the front side and supports The seat is located on the rear side of the upright column; the mounting point of the cover plate is located on the lower beam (15);

The rotating shaft (233) and the connecting shaft (235) are screwed with the first rotating handle (3) and the second rotating handle (31) respectively, and the first rotating handle (3) and the second rotating handle (31) ) each includes a handle (33) and a connector (32) with a threaded hole, and the connector (32) is located at the end of one end of the handle (33). The length direction is vertical;

There are two installation points of the cover plate, one is connected with a cover plate positioning block (151), and the other is connected with a cover plate corner support plate (152); the cover plate is divided into a main cover plate and a sub-cover plate;

The position of the laser projector can be adjusted in three different rotations and movements, so that the projection adjustment range of the laser projector is wider and more comprehensive. Just adjust the laser mounting bracket to make it project to any position on the cover. The plate is installed on the lower part of the base frame, so that the laser projector can be accurately projected onto the cover plate, and two mounting points are set on the lower beam, so that the laser projector can keep the position of the laser projector after the laser is projected to the test point on the master plate. Keep it fixed, remove the master cover, and the child cover can be installed in the exact position of the master cover, so that the test points on the master cover can be quickly and accurately copied to the child cover.

2. The pedestrian protection head type test point mirror image device according to claim 1, wherein the support base comprises a left short column (17), a right short column (18), a rear cross beam (16), a left longitudinal beam ( 19) and the right longitudinal beam (110), the two ends of the rear cross beam (16) are respectively fixedly connected with the left short column (17) and the right short column (18), and the two ends of the left longitudinal beam (19) are respectively connected with the left short column (17) and the right short column (18). The left upright column (11) and the left short upright post (17) are connected, and the two ends of the right longitudinal beam (110) are respectively fixedly connected with the right upright post (12) and the right short upright post (18).

3. The pedestrian protection head type test point mirroring device according to claim 1 or 2, characterized in that, the vertical column and the beam of the base frame (1) are provided with strip holes extending in the length direction, and the connection method is bolts connect.

4. The pedestrian protection head type test point mirroring device according to claim 1, wherein the z-axis seat (22) is provided with a fourth through hole ( 222), the bolts pass through the fourth through hole (222) and the bar-shaped hole to be fixedly connected with the slider (5) inside the beam.