CN211890807U - Laser positioning pedestrian protection test marking device - Google Patents
Laser positioning pedestrian protection test marking device Download PDFInfo
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- CN211890807U CN211890807U CN201922046791.2U CN201922046791U CN211890807U CN 211890807 U CN211890807 U CN 211890807U CN 201922046791 U CN201922046791 U CN 201922046791U CN 211890807 U CN211890807 U CN 211890807U
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Abstract
The utility model discloses a laser positioning marking device for pedestrian protection test, which comprises a base, wherein a transverse guide rail is arranged on the base; the transverse sliding group is matched with the transverse guide rail and can slide on the transverse guide rail; the vertical guide rail is vertically arranged on the transverse sliding group; the vertical sliding group is similar to the transverse sliding group in structure; the cross laser instrument is arranged on the vertical sliding group; and the ray laser instrument is arranged on the vertical sliding group through the cradle head. Adopt the utility model discloses, can carry out quick accurate test area division and test point mark.
Description
Technical Field
The utility model relates to an experimental marking device of pedestrian protection especially relates to an experimental marking device of pedestrian protection of laser positioning.
Background
The pedestrian protection test evaluates the collision protection performance of the automobile to the pedestrian by using different areas of the front part of the automobile impacted by the head shape of the child, the head shape of the adult and the leg shape of the leg, and whether the division of the test area of the front part of the automobile and the test point marks accurately directly influence the accuracy of the impact position in the test process and further influence the test result, so the division of the test area of the front part of the automobile and the test point marks in the pedestrian protection test are very critical steps. In the automobile research and development process, strict requirements are placed on position marks of a head type test area, a leg type test area and test points of the front portion of an automobile, and positions of the test areas are in certain correlation, so that division of the test areas and marking of the test points are important and complex work.
At present, the pedestrian protection scriber for automobile collision, which is most relevant to the application, is shown in fig. 1 and comprises a movable base, a transverse moving frame, a longitudinal moving frame, a scribing rod and the like. The principle is that the movable base is adjusted to be vertical to a vertical plane of a vehicle, then the inclination angle of the scribing rod and the ground clearance of the scribing rod are adjusted, the scribing rod is moved by the longitudinal moving frame and is in contact with the vehicle to form a contact point, and then the scribing rod is moved by the transverse moving frame, so that a plurality of points formed by the contact of the scribing rod and the vehicle are connected into a line, and therefore all reference lines of a pedestrian protection test area are drawn.
The pedestrian protection marking device for automobile collision shown in figure 1 has a simple structure and simple marking operation, but has certain limitations on efficiency and accuracy, and cannot mark a test point. Firstly, the angle and the ground clearance of the scribing rod cannot be adjusted rapidly and quantitatively, and whether the ground clearance and the angle of the scribing rod are adjusted accurately according to the requirements of a rule or not determines the accuracy of a reference line of a pedestrian protection test area; secondly, when the marking rod extends to contact with the surface of the vehicle, the marking rod is in a cantilever beam state, the posture of the marking rod changes to a certain extent, and the marking rod cannot be in contact with the vehicle at the height and the angle from the ground which meet the requirements of regulations, so that the accuracy of the reference line of the pedestrian protection test area has certain deviation; thirdly, when the marking rod is in physical contact with the surface of the vehicle, a short straight line rather than a point is easily formed due to stress, so that the accuracy of the formed reference line of the pedestrian protection test area is not high. Finally, the device is unable to mark the test site.
Disclosure of Invention
The utility model aims to solve the technical problem that a pedestrian protection test marking device of laser location is provided, quick accurate experimental regionalization and test point mark can be carried out.
In order to solve the technical problem, the utility model provides a pedestrian protection test marking device of laser location, include
The base is provided with a transverse guide rail; the base is formed by connecting preferred aluminum materials through angle irons, so that the base is stable in structure and high in geometric accuracy; the transverse guide rail is made of aluminum material which is high in quality and meets the requirement of geometric accuracy, and is fixedly connected with the base through bolts;
the transverse sliding group is matched with the transverse guide rail and can slide on the transverse guide rail; two bosses are designed on the transverse sliding group, embedded in the transverse guide rail and matched with the transverse guide rail, so that the transverse sliding group can slide along the transverse guide rail.
The vertical guide rail is vertically arranged on the transverse sliding group; the vertical guide rail is made of the same aluminum material as the transverse guide rail;
the structure of the vertical sliding group is similar to that of the transverse sliding group, the vertical sliding group is embedded into the vertical guide rail through a boss, and the vertical sliding group is matched with the vertical guide rail and can slide on the vertical guide rail;
the cross laser instrument is arranged on the vertical sliding group and has the function of automatically adjusting the horizontal and vertical states;
and the ray laser instrument is arranged on the vertical sliding group through the holder and can emit a section of laser ray, and the starting point of the laser ray is a laser emitting hole.
As an improvement of the scheme, more than two first laser range finders which are horizontally arranged are arranged at different positions of the base.
As an improvement of the scheme, a second laser range finder which is vertically installed downwards is arranged at the bottom of the vertical sliding group.
As an improvement of the scheme, the base is further provided with a graduated scale, and the graduated scale is arranged in parallel with the transverse guide rail and is arranged on one side of the transverse guide rail. The precision of the graduated scale is 1 mm.
As an improvement of the above, the pan/tilt head has a degree of freedom and can rotate around a central axis thereof, and the central axis is perpendicular to the long side direction of the transverse guide rail.
As an improvement of the above scheme, a balance module is arranged above the vertical sliding group, and is used for applying a constant vertical upward pulling force to the vertical sliding group, wherein the pulling force is equal to the sum of the gravity borne by the vertical sliding group and the equipment arranged on the vertical sliding group. The balancing module comprises a steel wire rope and a balancer. The balancer is fixed on the upper end of the vertical frame, and the balance force is adjusted by adjusting the tightness of the spring in the balancer. One end of the steel wire rope is connected with the vertical sliding group, and the other end of the steel wire rope is connected with the balancer. The counterbalancing force of the counterbalance may be set according to the weight of the vertical slide pack to ensure that the locking means of the vertical slide pack does not fall freely when released.
As an improvement of the scheme, the balance module is arranged above the vertical sliding group through the vertical frame.
As an improvement of the scheme, the bottom of the base is provided with a caster combination which is convenient for the base to move and fix.
As an improvement of the scheme, the caster wheel combination comprises a universal wheel and a supporting rod. The universal wheel has locking means, and the bracing piece can be through rotatory screw rod adjustment positioner's terrain clearance.
As an improvement of the scheme, the transverse sliding group is also provided with a vertical frame, and the vertical guide rail is fixed on the transverse sliding group through the vertical frame. The vertical frame is made of aluminum materials identical to the base, the aluminum materials are connected through angle iron, and the bottom of the vertical frame is vertically connected to the transverse sliding group through bolts, so that the vertical frame can move along with the transverse sliding group.
Implement the utility model discloses, following beneficial effect has:
1. the laser module is adopted to replace a cantilever type scribing rod. When the scribing rod is moved to be in contact with a vehicle, the height and the angle of the scribing rod are changed to a certain extent because the scribing rod is arranged at the tail end of a longer cantilever beam, and in addition, when the scribing rod is in contact with the vehicle, the scribing rod may be in approximate line contact with the vehicle instead of accurate point contact due to uneven stress and the like. The laser module is adopted to avoid scribing errors caused by a cantilever beam structure, and the intersection point formed by two lasers is an accurate point, so that an unstable physical contact marking method is converted into an accurate laser line crossing positioning method, and the scribing accuracy is improved.
2. A laser rangefinder was used to quantify the relationship of the line marking device to the vertical plane of the vehicle in the longitudinal direction and the vertical plane of the vehicle in the transverse direction. The relation between the marking device and the vertical plane of the vehicle in the longitudinal direction and the vertical plane of the vehicle in the transverse direction directly influences the accuracy of the division of the pedestrian protection test area and the marking position of the test point, and further influences the accuracy of the test result.
3. And the height of the laser module is rapidly measured by adopting a laser range finder. When the device is installed, the distance between the horizontal laser line of the cross laser instrument and the distance between the laser ray starting point of the ray laser instrument and the bottom of the laser range finder is adjusted and measured, and in the using process, the height between the starting point of the laser ray and the ground and the height between the horizontal laser line and the ground can be measured quickly and accurately by using the laser range finder, so that the test efficiency and the test precision are improved.
4. And a graduated scale is adopted to accurately measure the displacement of the transverse sliding group. According to the regulation requirement, the transverse sliding group needs to move along the transverse guide rail by no more than 100mm or 100mm as an interval, the graduated scale is arranged behind the base, the displacement can be accurately quantized, the transverse sliding group is ensured to move by no more than 100mm and 100mm as an interval, the moving distance is prevented from being measured by using a straight ruler after the transverse sliding group moves, the scribing efficiency is improved, and the measurement error caused by the measurement by using the straight ruler is eliminated.
5. Adopt balanced vertical sliding group of balanced module, after the adjustment of laser module height position, because vertical sliding group has certain weight, vertical sliding group probably produces longitudinal displacement when consequently unscrewing or screwing up the locking device of vertical sliding group, and then leads to laser marking position inaccurate, all need repeatedly unscrew, screw up when switching different position marking off simultaneously, uses inconvenient and waste time. After the scribing device adopts the balance module, the balance force of the balancer can be adjusted according to the weight of the vertical sliding group, so that the vertical sliding group can not freely move under the condition of no locking, the locking device does not need to be screwed down or unscrewed when different scribing positions are switched, and thus the measuring efficiency is improved, and the scribing error caused by screwing down or unscrewing is eliminated.
6. The front and side devices have the same structure and good universality. The front device and the two side devices are consistent in component and structure, and the marking of the leg touch grid points can be completed by using one device independently, namely the front device, the two side devices and the side devices can be completely independent and interchangeable. The two devices can be used for completing the point marking of the head touch grid, the three devices are used for completing the marking of the datum line in a matching mode, the positions of the three devices can be exchanged alternately, the defect that the positions are required to be fixed due to different structures is overcome, and the use convenience is improved.
Drawings
Fig. 1 is a schematic structural diagram of a conventional pedestrian protection test scribing device;
fig. 2 is a schematic structural view of a laser positioning marking device for pedestrian protection tests according to the present invention;
fig. 3 is a schematic structural diagram of a laser module provided by the present invention;
fig. 4 is a schematic structural diagram of the caster combination and the first laser range finder provided by the present invention;
fig. 5 is a schematic structural view of the cross rail provided by the present invention;
fig. 6 is a schematic structural diagram of the graduated scale provided by the present invention;
fig. 7 is a schematic structural diagram of a balancing module according to the present invention;
fig. 8 is an operating condition schematic diagram of the laser positioning pedestrian protection test marking device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
As shown in fig. 2 and 3, the specific embodiment of the present invention provides a pedestrian protection test marking device with laser positioning, including:
a base 1, on which a transverse guide rail 4 is arranged; the base 1 is formed by connecting preferred aluminum materials through angle irons, so that the base is stable in structure and high in geometric accuracy; the transverse guide rail 4 is made of aluminum materials which are high in quality and meet the geometric accuracy requirement, and is fixedly connected with the base 1 through bolts.
A transverse sliding group 2 which is matched with the transverse guide rail 4 and can slide on the transverse guide rail 4; two bosses are designed on the transverse sliding group 2, embedded in the transverse guide rail 4 and matched with the transverse guide rail 4, so that the transverse sliding group 2 can slide along the transverse guide rail 4.
The vertical guide rail 7 is vertically arranged on the transverse sliding group 2; the vertical guide rail 7 is made of the same aluminum material as the transverse guide rail 4; the transverse sliding group 2 is further provided with a vertical frame 11, and the vertical guide rail 7 is fixed on the transverse sliding group 2 through the vertical frame 11. The vertical frame 11 is made of the same aluminum material as the base 1 and is connected through angle iron, and the bottom of the vertical frame is vertically connected to the transverse sliding group 2 through bolts, so that the vertical frame can move along with the transverse sliding group 2.
The vertical sliding group 8 is similar to the transverse sliding group 2 in structure, is embedded into the vertical guide rail 7 through a boss, is matched with the vertical guide rail 7, and can slide on the vertical guide rail 7.
And the cross laser instrument 16 is arranged on the vertical sliding group 8 and has the function of automatically adjusting the horizontal and vertical states.
The cross laser 16 and the ray laser 17 are collectively referred to as a laser module 6.
With reference to fig. 3 to 6, in order to facilitate the positioning of the vehicle by the scribing apparatus, more than two first laser range finders 14 horizontally arranged are arranged at different positions of the base 1. In order to easily determine the height of the vertical slide group 8, the bottom of the vertical slide group 8 is provided with a second laser distance meter 15 mounted vertically downward. In order to conveniently determine the moving distance of the transverse sliding group 2, a graduated scale 5 is further arranged on the base 1, and the graduated scale 5 is arranged in parallel with the transverse guide rail 4 and is arranged on one side of the transverse guide rail 4. The scale 5 has a precision of 1 mm.
With reference to fig. 7, in order to avoid deviation caused by the self-sliding of the vertical sliding group 8 due to the action of gravity after the position is adjusted, a balance module 10 is disposed above the vertical sliding group 8, the balance module 10 is configured to apply a constant vertical upward pulling force to the vertical sliding group 8, and the magnitude of the pulling force is equal to the sum of the gravity borne by the vertical sliding group 8 and the equipment disposed on the vertical sliding group 8. The balancing module 10 includes a wire rope 18 and a balancer 19. The balancer 19 is installed and fixed to the upper end of the vertical frame 11, and the balancing force is adjusted by adjusting the tightness of the spring inside the balancer 19. One end of the steel wire rope 18 is connected with the vertical sliding group 8, and the other end is connected with the balancer 19. The counterbalancing force of the counterbalance 19 may be set according to the weight of the vertical slide pack 8 to ensure that when the locking means of the vertical slide pack 8 is released, it does not fall freely. The balance module 10 is arranged above the vertical sliding group 8 through the vertical frame 11.
Preferably, as shown in fig. 4, the bottom of the base 1 is provided with a caster combination 3 for facilitating the movement and fixation of the base 1. Specifically, the caster assembly 3 includes a universal wheel 12 and a support bar 13. The universal wheel 12 is provided with a locking device, and the supporting rod 13 can adjust the ground clearance of the positioning device by rotating the screw rod.
The marking device is placed in the front of the vehicle and the marking device placed on the side of the vehicle is named as a front device and a side device, and the placing positions and the orientations of the marking devices are different, but the marking devices are identical in structure. In connection with fig. 8, they work as follows:
first, the vehicle front device 21 is moved to the front of the vehicle 20, and the two side devices 22 are moved to the both sides of the vehicle 20, respectively, and adjusted to be in a horizontal state. The postures of the front device 21 and the two side devices 22 are adjusted according to the distances between the devices and a reference plane, which are measured by the two first laser distance measuring instruments 14 arranged on the base 1, so that the long edge of the transverse guide rail 4 of the front device 21 is parallel to the transverse vertical plane of the vehicle, the long edge of the transverse guide rail 4 of the side devices 22 is parallel to the longitudinal vertical plane of the vehicle, and the devices are locked by the caster wheel locking assembly 3.
When marking the front edge reference line of the engine hood, the cross laser instrument 16 of the front device 21 of the vehicle is opened, the height of a horizontal laser line sent by the cross laser instrument 16 is adjusted to 600mm required by regulations through the reading of the second laser distance measuring instrument 15, and a horizontal line which is 600mm away from the ground is formed at the front part of the vehicle. The ray laser instrument 17 of the side device 22 is opened, the height of the starting point of the laser ray 24 emitted by the ray laser instrument 17 is adjusted to 1242.79mm meeting the requirements of the regulations through the cloud deck 9, the vertical sliding group 8 and the second laser distance measuring instrument 15, and the angle is adjusted to be 50 degrees inclined towards the back of the vehicle from the vertical direction. And moving the transverse sliding group 2 on the front device 21 along the Y-axis direction of the vehicle coordinate system to enable the vertical line of the cross laser instrument 16 to be coincident with the longitudinal center line of the vehicle, moving the transverse sliding group 2 of the side device 22 along the X-axis direction of the vehicle coordinate system to enable the laser ray 24 to be just contacted with the vehicle and the part of the laser ray 24 above the 600mm horizontal line to form an intersection point with the vertical laser, and marking the intersection point position. Then, the transverse sliding group 2 of the front device 21 of the vehicle moves along the Y-axis negative direction of the vehicle coordinate system for a distance not exceeding 100mm, and then the transverse sliding group 2 of the side device 22 on the left side of the vehicle moves along the X-axis direction of the vehicle coordinate system, so that the part of the laser ray 24 above the 600mm horizontal line and the vertical laser form a first intersection point, and the intersection point is marked. And repeating the operations until the left front part of the vehicle is marked, connecting the marked intersection points, namely the left half part of the engine hood front edge datum line, and marking the right half part of the engine hood front edge datum line by the same method.
When marking the bumper upper reference line, the height of the starting point of the laser beam 24 emitted from the beam laser 17 of the side device 22 was adjusted to 657.78mm, the angle was adjusted to 20 ° in the backward direction from the vertical direction, and the height of the horizontal laser beam of the cross laser 16 of the vehicle front device 21 was adjusted to 657.78 mm. And then marking the intersection point formed by the laser ray 24 of the side device 22 and the vertical laser ray of the vehicle front device 21 by adopting a method of marking the reference line of the front edge of the engine hood, and connecting the marked intersection points to form the upper reference line of the bumper.
When marking the bumper lower reference line, the height of the starting point of the laser beam 24 emitted from the beam laser 17 of the side device 22 is adjusted to 634.42mm, the angle is adjusted to be inclined 25 degrees toward the front of the vehicle from the vertical direction, and the height of the horizontal laser beam of the cross laser 16 of the vehicle front device 21 is adjusted to 634.42 mm. And marking the lower part reference line of the bumper by the intersection point marking method consistent with the method.
When marking the lateral reference line of the engine hood, the ray laser instrument 17 of the device 21 in front of the vehicle is opened, the angle of the laser ray 24 is adjusted to be 45 degrees inclined to the side in the vehicle from the vertical direction through the cradle head 9 and the vertical sliding group 8, and the vertical sliding group 8 is adjusted to enable the starting point of the laser ray 24 to be positioned on the engine hood. The cross laser 16 on the vehicle left/right side device 22 is turned on and the traverse slide group 2 is moved in the direction of the X-axis of the vehicle coordinate system so that the vertical laser line of the cross laser 16 is aligned with the hood end. And then, moving the transverse sliding group 2 of the front device 21 of the vehicle along the Y-axis direction of the vehicle coordinate system, so that the laser ray 24 emitted by the ray laser instrument 17 is just contacted with the vehicle and forms a first intersection point with the vertical laser, and marking the position of the intersection point. The transverse sliding group 2 of the side device 22 moves along the X-axis direction of the vehicle coordinate system for no more than 100mm, and then the transverse sliding group 2 of the front device 21 moves along the Y-axis direction of the vehicle coordinate system, so that the laser ray 24 emitted by the ray laser instrument 17 is just contacted with the vehicle and forms a first intersection point with the vertical laser, and the intersection point is marked. And repeating the steps until the marking of the side surfaces of the vehicle is finished, and connecting the marked intersection points to form the side surface reference line of the left/right engine hood of the vehicle.
When marking the head type collision area grid points, firstly, the transverse sliding group 2 of the side device 22 is moved along the X-axis direction of the vehicle coordinate system, so that the vertical laser emitted by the cross laser instrument 16 on the transverse sliding group 2 is aligned to the mark points with the envelope of 1000mm on the longitudinal center line of the vehicle, then the transverse sliding group 2 of the vehicle front device 21 is moved along the Y-axis direction of the vehicle coordinate system, so that the vertical laser emitted by the cross laser instrument 16 on the transverse sliding group 2 is aligned to the longitudinal center line of the vehicle, then the transverse sliding group 2 on the vehicle front device 21 is moved to the left side/right side in sequence at the interval of 100mm according to the scales of the graduated scale 5 on the base 1, and the intersection points of the vertical lasers emitted by the two devices are marked. Then, the transverse sliding group 2 of the side device 22 is moved along the X-axis direction of the vehicle coordinate system, so that the vertical laser is aligned to a mark point with an envelope of 1100mm on the longitudinal center line of the vehicle, and then the vehicle front device 21 is sequentially moved by the transverse sliding group 2 at an interval of 100mm and marks the intersection point of the two vertical lasers. And repeating the steps in sequence to finish the marking of the head touch grid points.
When marking the grid points of the leg collision test area, the transverse sliding group 2 of the front device 21 is moved along the Y-axis direction of the vehicle coordinate system, so that the vertical laser of the cross laser instrument 16 on the transverse sliding group coincides with the longitudinal center line of the vehicle, then the transverse sliding group 2 on the front device 21 is sequentially moved to the left side/right side at intervals of 100mm according to the scales of the graduated scale 5 on the base 1, and when the transverse sliding group 2 moves 100mm, the track formed by the vertical laser on the front part of the vehicle is marked, so that the marking of the leg collision grid points can be completed.
By adopting the embodiment, the method has the following advantages:
1. the laser module 6 is adopted to replace the cantilever type scribing rod. When the scribing rod is moved to be in contact with a vehicle, the height and the angle of the scribing rod are changed to a certain extent because the scribing rod is arranged at the tail end of a longer cantilever beam, and in addition, when the scribing rod is in contact with the vehicle, the scribing rod may be in approximate line contact with the vehicle instead of accurate point contact due to uneven stress and the like. The laser module 6 is adopted to avoid marking errors caused by a cantilever beam structure, and the intersection point formed by two lasers is an accurate point, so that an unstable physical contact marking method is converted into an accurate laser line crossing positioning method, and the marking precision is improved.
2. A first laser rangefinder 14 is employed to quantify the relationship of the line marking apparatus to the vehicle longitudinal vertical plane and the vehicle transverse vertical plane. The relation between the marking device and the vertical plane of the vehicle in the longitudinal direction and the vertical plane of the vehicle in the transverse direction directly influences the accuracy of the division of the pedestrian protection test area and the marking position of the test point, and further influences the accuracy of the test result.
3. And the height of the laser module 6 is rapidly measured by adopting a second laser range finder 15. When the laser distance measuring device is installed, the distance from the horizontal laser line of the cross laser instrument 16 and the distance from the starting point of the laser ray 24 of the ray laser instrument 17 to the bottom of the laser distance measuring instrument are adjusted and measured, in the using process, the height between the starting point of the laser ray 24 and the ground and the height between the horizontal laser line and the ground can be measured quickly and accurately by using the second laser distance measuring instrument 15, and the test efficiency and the test precision are improved.
4. The displacement of the transverse sliding group 2 is accurately measured using the scale 5. According to the regulation requirement, the transverse sliding group 2 needs to move along the transverse guide rail 4 by no more than 100mm or move at intervals of 100mm, the graduated scale 5 is installed behind the base 1, the displacement can be accurately quantized, the transverse sliding group 2 is ensured to move by no more than 100mm and move at intervals of 100mm, the moving distance needing to be measured by a straight ruler after moving is avoided, the scribing efficiency is improved, and the measurement error caused by measurement by the straight ruler is eliminated.
5. Adopt balanced module 10 balanced vertical sliding group 8, after the high position adjustment of laser module 6, because vertical sliding group 8 has certain weight, vertical sliding group 8 probably produces longitudinal displacement when unscrewing or screwing up the locking device of vertical sliding group 8, and then leads to the laser marking position inaccurate, all need to unscrew repeatedly, screw up when switching different position marking off simultaneously, uses inconvenient and waste time. After the scribing device adopts the balance module 10, the balance force of the balancer 19 can be adjusted according to the weight of the vertical sliding group 8, so that the vertical sliding group 8 can not freely move under the condition of no locking, and the locking device does not need to be screwed down or unscrewed when different scribing positions are switched, thereby improving the measurement efficiency and eliminating the scribing error caused by screwing down or unscrewing.
6. The front and side devices have the same structure and good universality. The components and structures of the front device 21 and the two side devices 22 are consistent, and one device can be used independently to finish marking of the leg collision grid points, namely the front device, the rear device and the side devices can be completely independent and interchangeable. The two devices can be used for completing the point marking of the head touch grid, the three devices are used for completing the marking of the datum line in a matching mode, the positions of the three devices can be exchanged alternately, the defect that the positions are required to be fixed due to different structures is overcome, and the use convenience is improved.
The marking device is simple in structure, simple and convenient to operate and accurate in division, and can greatly improve the efficiency of test area division and test point marking.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the invention, and these modifications and decorations are also regarded as the protection scope of the present invention.
Claims (10)
1. A laser positioning pedestrian protection test marking device is characterized by comprising
The base is provided with a transverse guide rail;
the transverse sliding group is matched with the transverse guide rail and can slide on the transverse guide rail;
the vertical guide rail is vertically arranged on the transverse sliding group;
the vertical sliding group is matched with the vertical guide rail and can slide on the vertical guide rail;
the cross laser instrument is arranged on the vertical sliding group;
and the ray laser instrument is arranged on the vertical sliding group through the cradle head.
2. The laser-positioned pedestrian protection test marking device of claim 1, wherein more than two horizontally-arranged first laser range finders are provided at different positions of the base.
3. The laser-positioned pedestrian protection test marking apparatus of claim 1, wherein a bottom portion of the vertical slide stack is provided with a second laser rangefinder mounted vertically downward.
4. The laser-positioned pedestrian protection test marking device of claim 1, wherein the base is further provided with a graduated scale, and the graduated scale is arranged in parallel with the transverse guide rail and is arranged on one side of the transverse guide rail.
5. The laser-positioned pedestrian protection test marking device according to claim 1, wherein the holder has one degree of freedom capable of rotating about a central axis thereof, the central axis being perpendicular to a longitudinal direction of the transverse rail.
6. The laser-positioned pedestrian protection test marking device according to claim 1, wherein a balancing module is disposed above the vertical sliding assembly, and the balancing module is configured to apply a constant vertical upward pulling force to the vertical sliding assembly, wherein the pulling force is equal to the sum of the gravity of the vertical sliding assembly and the gravity of the equipment disposed on the vertical sliding assembly.
7. The laser-positioned pedestrian protection test marking apparatus of claim 6, wherein the balancing module is disposed above the vertical slide pack by a vertical frame.
8. The laser-positioned pedestrian protection test marking apparatus of claim 1, wherein the base bottom is provided with a caster combination for facilitating movement and fixation of the base.
9. The laser-positioned pedestrian protection test marking apparatus of claim 8, wherein the caster wheel assembly comprises a universal wheel and a support bar.
10. The laser-positioned pedestrian protection test marking apparatus of claim 1, wherein the lateral slide group is further provided with a vertical frame, and the vertical guide rail is fixed to the lateral slide group through the vertical frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922046791.2U CN211890807U (en) | 2019-11-22 | 2019-11-22 | Laser positioning pedestrian protection test marking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922046791.2U CN211890807U (en) | 2019-11-22 | 2019-11-22 | Laser positioning pedestrian protection test marking device |
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| CN211890807U true CN211890807U (en) | 2020-11-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113211402A (en) * | 2021-05-08 | 2021-08-06 | 中船澄西船舶修造有限公司 | Hatch coaming marking tool |
| CN114192835A (en) * | 2022-01-04 | 2022-03-18 | 丽水匠研创精密制造有限公司 | Slider punching machine tool with positioning hole position laser detection mechanism |
-
2019
- 2019-11-22 CN CN201922046791.2U patent/CN211890807U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113211402A (en) * | 2021-05-08 | 2021-08-06 | 中船澄西船舶修造有限公司 | Hatch coaming marking tool |
| CN113211402B (en) * | 2021-05-08 | 2023-03-03 | 中船澄西船舶修造有限公司 | Hatch coaming marking tool |
| CN114192835A (en) * | 2022-01-04 | 2022-03-18 | 丽水匠研创精密制造有限公司 | Slider punching machine tool with positioning hole position laser detection mechanism |
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