CN208350387U - Laser instrument mounting bracket for vehicle crash test - Google Patents
Laser instrument mounting bracket for vehicle crash test Download PDFInfo
- Publication number
- CN208350387U CN208350387U CN201821027776.2U CN201821027776U CN208350387U CN 208350387 U CN208350387 U CN 208350387U CN 201821027776 U CN201821027776 U CN 201821027776U CN 208350387 U CN208350387 U CN 208350387U
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- laser
- mounting bracket
- vehicle
- pedestal
- aiming
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- 238000012360 testing method Methods 0.000 title abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 44
- 238000009863 impact test Methods 0.000 claims description 30
- 239000003381 stabilizer Substances 0.000 claims description 16
- 238000005303 weighing Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a laser instrument installing support for vehicle bump test, laser instrument installing support are including drawing track fixed part and support portion, and support portion is fixed with drawing the track fixed part, is provided with laser instrument location structure in the support portion, and laser instrument location structure is suitable for the installation laser instrument and makes the laser energy that the laser instrument sent and draw orbital vertical central line just from top to bottom. According to the utility model discloses a laser instrument installing support, the laser that the laser instrument installed on the laser instrument installing support sent can provide the reference point of vehicle centering, and the vehicle is pulling test and bump test before in advance, and personnel can more conveniently and adjust the vehicle accurately, make the longitudinal center line department that pulls the track and be located the vehicle to the bump test result of vehicle is more accurate.
Description
Technical field
The utility model relates to vehicle testing fields, in particular to a kind of laser for vehicle impact test
Mounting bracket.
Background technique
For security performance of the verifying vehicle when being collided, need to carry out impact test to vehicle, with measure vehicle by
The parameters such as the offset to collision.Vehicle when carrying out the impact tests such as central collision test, vehicle be pulled the traction of track to
Collision obstacle is mobile and hits collision obstacle.
To guarantee the offset after accurate measurement vehicle is hit, needs that vehicle is enabled to be always ensured that during the motion and lead
Approach rail road is located at the longitudinal centre line of vehicle, so as to determine Vehicular impact impact walls using traction track as reference line
Offset after barrier.
Since vehicle is in impact test, to guarantee personnel safety, in the cockpit of vehicle nobody, therefore, it is necessary in advance
It determines the deflection angle of vehicle steering wheel when carrying out impact test, and is pulled the pulling motion process of track in vehicle
In, steering wheel is fixed on the deflection angle, to guarantee during vehicle movement, traction track is always positioned at the longitudinal direction of vehicle
Centerline.
Further, it is the deflection angle for determining vehicle steering wheel when carrying out impact test, needs to be touched in vehicle
The pre- pull test of progress draws one end to vehicle by traction track that is, in the case where unlocked steering wheel in advance before hitting test
Distance (such as traction 5m), and measure vehicle by the precompile amount after the distance of traction one end, then can be by precompile amount and pre-
The distance of traction show that vehicle steering wheel when carrying out impact test needs fixed deflection angle.
To guarantee that precompile measurement is accurate, vehicle before carrying out pre- pull test is also required to that traction track is enabled to be located at vehicle
Longitudinal centre line at, so as to determine precompile amount using traction track as reference line.
In the related technology, vehicle is before carrying out pre- pull test and impact test, to make traction track be located at vehicle
At longitudinal centre line, personnel only adjust the relative position of vehicle and traction track with naked eyes, not can guarantee vehicle precise alignment, from
And the data error of the precompile amount and offset obtained from impact test is larger, influences final impact test result.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
A kind of more accurate laser mounting bracket of impact test result that can make vehicle at least to a certain extent is proposed with novel.
According to laser mounting bracket described in the utility model, including traction track fixed part and cradle portion, the branch
Frame portion is fixed with the traction track fixed part, and laser location structure, the laser positioning are provided in the cradle portion
Structure is suitable for installation laser and the laser for enabling the laser to issue and face above and below the longitudinal centre line of traction track.
According to laser mounting bracket described in the utility model, the laser being mounted in laser mounting bracket is issued
Laser the reference point of vehicle centering can be provided, for vehicle before carrying out pre- pull test and impact test, personnel can be more
Vehicle is conveniently and accurately adjusted, is located at traction track at the longitudinal centre line of vehicle, thus the impact test result of vehicle
It is more accurate.
According to laser mounting bracket described in the utility model, the cradle portion is equipped with laser aiming hole.
Further, foresight is equipped at the laser aiming hole.
Further, the foresight is foresight column, and the top in the laser aiming hole is arranged in the foresight column.
According to laser mounting bracket described in the utility model, the laser location structure includes for being arranged positioning
The laser positioning ring of the laser, the cradle portion include pedestal and mounting base, and the traction track fixed part setting exists
The laser positioning ring and the laser aiming on the top of the base is arranged in the bottom of the pedestal, the mounting base
Hole is arranged in the mounting base.
Further, the pedestal includes preceding pedestal, connection pedestal and rear base, before the preceding pedestal and the rear base
Corresponding and parallel to each other afterwards, the connection pedestal is connected between the preceding pedestal and the rear base, and the traction track is solid
Determine portion and be separately positioned on the bottom of the preceding pedestal and the bottom of the rear base, the laser positioning ring is located at the company
It connects on pedestal.
Further, the traction track fixed part includes four stabilizer blades, and two stabilizer blades are arranged at the preceding bottom
The bottom of seat, stabilizer blade described in another two are arranged in the bottom of the rear base, and the bottom end of each stabilizer blade, which is formed, to be suitable for and institute
State the clamping tip that traction track connects and fixes.
Further, the mounting base further includes connecting plate and aiming portion, and the connecting plate is connected to the laser
Between positioning ring and the aiming portion, the aiming portion is fixed with the preceding pedestal or the rear base, in the aiming portion
Portion, which is equipped with, aims at protrusion, and the laser aiming hole is arranged in the aiming high spot.
Further, the aiming portion is equipped with the graduated scale extended in left-right direction.
Optionally, the cradle portion is in face of weighing device, and the plane of symmetry of the cradle portion is arranged in the laser aiming hole
Place.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the three-dimensional structure diagram of the laser mounting bracket of the utility model embodiment under an angle；
Fig. 2 is the three-dimensional structure diagram of the laser mounting bracket of the utility model embodiment under another angle；
Fig. 3 is the laser mounting bracket of the utility model embodiment and the rearview of laser assembly.
Appended drawing reference:
Laser mounting bracket 100, traction track fixed part 1, stabilizer blade 11, clamping tip 111, cradle portion 2, pedestal 21,
Preceding pedestal 211 connects pedestal 212, and rear base 213, mounting base 22, laser positioning ring 221, aiming portion 222 aims at protrusion
2221, laser aiming hole 2222, foresight 2223, graduated scale 2224, connecting plate 223, laser 3.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside", " axial direction " is orientation based on the figure or position
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, example
Such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate with each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The utility model is described with reference to the accompanying drawing and with reference to specific embodiment.
Fig. 1-Fig. 3 is combined to describe the laser mounting bracket 100 of the utility model embodiment first.
As shown in Figure 1-Figure 3, the laser mounting bracket 100 of the utility model embodiment may include that traction track is fixed
Portion 1 and cradle portion 2, traction track fixed part 1 can be fixed with traction track (not shown), thus laser mounting bracket
100 can be set on traction track.
Cradle portion 2 can be fixed with traction track fixed part 1, and laser location structure can be equipped in cradle portion 2 (as swashed
Light instrument positioning ring 221), laser 3 can be positioned by laser location structure, so that laser 3 can be set in traction rail
On road.After laser 3 is positioned by laser location structure, the laser that laser 3 issues can be with the longitudinal direction of traction track
Face above and below center line.
Before vehicle carries out pre- pull test and impact test, first the setting of laser mounting bracket 100 can drawn
On track, and laser 3 is enabled to be located in laser mounting bracket 100.Further, laser 3 is opened, enables laser 3 to vehicle
Transmitting laser, the position that cradle portion 2 is used to be arranged laser 3 can carry out manufacture positioning (such as positioned at cradle portion 2 in advance
Axial centerline) so that laser mounting bracket 100 is arranged in traction track, the laser 3 positioned at cradle portion 2 is projected
Laser can be with face above and below the longitudinal centre line of traction track, i.e. laser can be along the side of the longitudinal centre line of traction track
To directive vehicle.
Personnel can will penetrate as a reference point in the front surface of vehicle or the laser point of rear surface as a result, by adjusting vehicle
, it enables the laser point penetrated in surface of vehicle be located at the longitudinal centre line of vehicle, traction track can be made to be exactly in vehicle
Longitudinal centre line at, personnel are more convenient for the adjustment of vehicle and accurate, precompile amount of the vehicle in pre- pull test
More accurate with the measurement result of the offset in impact test, the impact test result of vehicle is more accurate.
According to the laser mounting bracket 100 of the utility model embodiment, by the way that laser location structure, laser is arranged
3 laser projected can provide the reference point of vehicle centering, and vehicle is before carrying out pre- pull test and impact test, Ren Yuanke
To be more convenient and precisely adjust vehicle, it is located at traction track at the longitudinal centre line of vehicle, thus the impact test of vehicle
As a result more accurate.
In some specific embodiments, as shown in figures 1 and 3, cradle portion 2 can be equipped with laser aiming hole 2222, when
After cradle portion 2 is mounted on traction track by traction track fixed part 1, laser aiming hole 2222 can be taken aim at towards vehicle, laser
The position in quasi- hole 2222 can be located at the center of traction track width direction.
While laser 3 are installed, laser can be enabled to open, personnel are swashed by aiming laser sight hole 2222, observation
The position of light relative laser sight hole 2222 can correspond to adjustment laser 3 in the position of cradle portion 2.When laser passes through laser
After sight hole 2222, the laser of the injection of laser 3 and the longitudinal centre line of traction track or more face can be realized, to complete
Adjustment of the laser 3 in cradle portion 2.
More specifically, as shown in figures 1 and 3, foresight 2223 can be equipped at laser aiming hole 2222, as a result, personnel
In the position of observation laser relative laser sight hole 2222, and laser 3 is adjusted at the position of cradle portion 2, can be more convenient
Ground aiming laser sight hole 2222, convenient for laser is adjusted to the longitudinal centre line with traction track or more face.
More specifically, as shown in figures 1 and 3, foresight 2223 can be foresight column, and foresight column can be set to be taken aim in laser
The top in quasi- hole 2222, the volume of foresight 2223 is larger as a result, and personnel observe 2223 convenience of foresight, meanwhile, foresight column can be with
The laser for finally wearing laser aiming hole 2222 is spaced apart, can be when personnel observe foresight column, and foresight column will not be sent out with laser
Raw interference, the personnel that are more convenient for observe foresight column.
In some specific embodiments, as shown in Figure 1-Figure 3, laser location structure may include laser positioning ring
221, cradle portion 2 may include pedestal 21 and mounting base 22, and traction track fixed part 1 can be set in the bottom of pedestal 21, peace
Dress seat 22 can be set in the top of pedestal 21, and mounting base 22 can be equipped with laser positioning ring 221 and laser is taken aim at across laser
Quasi- hole 2222, laser 3 can wear laser positioning ring 221, so that laser positioning ring 221 can carry out laser 3
Positioning can be by rotating the laser 3 being located in laser positioning ring 221, so that laser when adjusting laser directive position
The laser that instrument 3 projects passes through laser aiming hole 2222.
In some specific embodiments, as shown in Figure 1-Figure 3, pedestal 21 may include preceding pedestal 211, connection pedestal
212 and rear base 213, preceding pedestal 211 can be corresponding in front-rear direction with rear base 213, and preceding pedestal 211 and rear base 213
Can be parallel to each other, connection pedestal 212 can connect between preceding pedestal 211 and rear base 213, thus preceding pedestal 211, connection
I-shaped can be collectively formed in pedestal 212 and rear base 213.
As shown in Figure 1-Figure 3, the bottom of pedestal 211 and rear base before traction track fixed part 1 can be separately positioned on
213 bottom, laser positioning ring 221 can be located on connection pedestal 212.It is set in laser positioning ring 221 as a result,
Laser 3 can be located on pedestal 21, and laser 3 and traction track fixed part 1 can be staggeredly arranged, laser mounting bracket
The distribution of 100 interior mechanics is more reasonable, and laser 3 is between traction track fixed part 1, so that traction track fixed part 1 can be with
More stably support laser 3.
In some specific embodiments, as shown in Figure 1-Figure 3, traction track fixed part 1 may include four stabilizer blades 11,
Two of them stabilizer blade 11 can control the bottom for being arranged at intervals on preceding pedestal 211, and another two stabilizer blade 11 can be between left and right every setting
In the bottom of rear base 213, being set in the laser 3 in laser positioning ring 221 can be located between four stabilizer blades 11, each
The bottom end of stabilizer blade 11 can form clamping tip 111.
The left part that two stabilizer blades 11 positioned at left side can be fixed on traction track by being clamped tip 111, is located at
Two stabilizer blades 11 on right side can be fixed on the right part of traction track by being clamped tip 111, it is possible thereby to realize laser
Instrument mounting bracket 100 is securely connected and fixed with traction track.
In some specific embodiments, as shown in figures 1 and 3, mounting base 22 can also include connecting plate 223 and aim at
Portion 222, connecting plate 223 can connect between laser positioning ring 221 and aiming portion 222, and aiming portion 222 can be with preceding pedestal
211 or rear base 213 it is fixed, the middle part in aiming portion 222, which can be equipped with, aims at protrusion 2221, and laser aiming hole 2222 can be set
It is aiming at protrusion 2221, laser aiming hole 2222 is arranged at obvious aiming protrusion 2221 as a result, and personnel can be more convenient
Laser aiming hole 2222 is observed when adjusting laser 3 in ground.
In some specific embodiments, as shown in Figure 1, aiming portion 222 can be equipped with graduated scale 2224, graduated scale 2224
It can be set in aiming portion 222 away from the side of connection pedestal 212, graduated scale 2224 can extend in left-right direction.As a result, when
After vehicle carries out pre- pull test or impact test, can be measured by graduated scale 2224 longitudinal direction of car center to the left or to
The offset of right offset laser, vehicle offset (such as vehicle front-end offset amount and vehicle rear end offset) test
It is more convenient, improve measurement efficiency.
In some alternative embodiments, cradle portion 2 can be in face of weighing device, the plane of symmetry of cradle portion 2 can be perpendicular
It faces directly, laser aiming hole 2222 can be set at the plane of symmetry of cradle portion 2, and the center in laser aiming hole 2222 can position
In in the plane of symmetry of cradle portion 2.
When cradle portion 2 is fixed on traction track as a result, the longitudinal centre line of traction track can be enabled to be located at cradle portion 2
In the plane of symmetry, so that laser aiming hole 2222 and then is worn automatically with face above and below the longitudinal centre line of traction track when laser
If when laser aiming hole 2222, laser can be with face above and below the longitudinal centre line of traction track.Laser mounting bracket 100
The centering process of installation and vehicle is more convenient.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, those skilled in the art can incite somebody to action
Different embodiments or examples described in this specification are engaged and are combined.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of laser mounting bracket for vehicle impact test characterized by comprising
Traction track fixed part；
Cradle portion, the cradle portion are fixed with the traction track fixed part, and laser positioning knot is provided in the cradle portion
Structure, the laser location structure be suitable for that laser is installed and laser that the laser is issued and traction track it is vertical
Face above and below to center line.
2. the laser mounting bracket according to claim 1 for vehicle impact test, which is characterized in that the bracket
Portion is equipped with laser aiming hole.
3. the laser mounting bracket according to claim 2 for vehicle impact test, which is characterized in that the laser
Foresight is equipped at sight hole.
4. the laser mounting bracket according to claim 3 for vehicle impact test, which is characterized in that the foresight
For foresight column, the top in the laser aiming hole is arranged in the foresight column.
5. the laser mounting bracket according to claim 2 for vehicle impact test, which is characterized in that the laser
Instrument location structure includes: for being arranged the laser positioning ring for positioning the laser, and the cradle portion includes: pedestal and installation
The bottom of the pedestal is arranged in seat, the traction track fixed part, and the mounting base setting is on the top of the base, described
Laser positioning ring and the laser aiming hole are arranged in the mounting base.
6. the laser mounting bracket according to claim 5 for vehicle impact test, which is characterized in that the pedestal
It include: preceding pedestal, connection pedestal and rear base, the preceding pedestal and the rear base correspondence and parallel to each other, the company
It connects pedestal to be connected between the preceding pedestal and the rear base, the traction track fixed part is separately positioned on the preceding pedestal
Bottom and the rear base bottom, the laser positioning ring is located on the connection pedestal.
7. the laser mounting bracket according to claim 6 for vehicle impact test, which is characterized in that the traction
Track fixed part includes: four stabilizer blades, and the bottom of the preceding pedestal, the setting of stabilizer blade described in another two is arranged in two stabilizer blades
In the bottom of the rear base, the bottom end of each stabilizer blade forms the clamping point for being suitable for connecting and fixing with the traction track
End.
8. the laser mounting bracket according to claim 6 for vehicle impact test, which is characterized in that the installation
Seat further include: connecting plate and aiming portion, the connecting plate is connected between the laser positioning ring and the aiming portion, described
Aiming portion is fixed with the preceding pedestal or the rear base, and the middle part in the aiming portion, which is equipped with, aims at protrusion, the laser aiming
Hole is arranged in the aiming high spot.
9. the laser mounting bracket according to claim 8 for vehicle impact test, which is characterized in that the aiming
Portion is equipped with the graduated scale extended in left-right direction.
10. being used for the laser mounting bracket of vehicle impact test according to any one of claim 2-9, feature exists
In the cradle portion is in face of weighing device, and the laser aiming hole is arranged at the plane of symmetry of the cradle portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821027776.2U CN208350387U (en) | 2018-06-29 | 2018-06-29 | Laser instrument mounting bracket for vehicle crash test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821027776.2U CN208350387U (en) | 2018-06-29 | 2018-06-29 | Laser instrument mounting bracket for vehicle crash test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208350387U true CN208350387U (en) | 2019-01-08 |
Family
ID=64881331
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821027776.2U Expired - Fee Related CN208350387U (en) | 2018-06-29 | 2018-06-29 | Laser instrument mounting bracket for vehicle crash test |
Country Status (1)
| Country | Link |
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| CN (1) | CN208350387U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655046A (en) * | 2019-01-23 | 2019-04-19 | 中汽研汽车检验中心（天津）有限公司 | A kind of quick centering apparatus of vehicle collision experiment track |
| CN110926831A (en) * | 2019-12-11 | 2020-03-27 | 重庆长安汽车股份有限公司 | Pedestrian protection head type test point mirror image device |
| CN114112427A (en) * | 2021-11-12 | 2022-03-01 | 中汽研汽车检验中心(宁波)有限公司 | Automobile crash test trolley centering device and centering method |
| CN114608543A (en) * | 2020-12-08 | 2022-06-10 | 北京福田康明斯发动机有限公司 | Method and device for loading and centering in drum test |
-
2018
- 2018-06-29 CN CN201821027776.2U patent/CN208350387U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655046A (en) * | 2019-01-23 | 2019-04-19 | 中汽研汽车检验中心（天津）有限公司 | A kind of quick centering apparatus of vehicle collision experiment track |
| CN109655046B (en) * | 2019-01-23 | 2024-03-15 | 中汽研汽车检验中心（天津）有限公司 | Rapid centering device for automobile collision experiment track |
| CN110926831A (en) * | 2019-12-11 | 2020-03-27 | 重庆长安汽车股份有限公司 | Pedestrian protection head type test point mirror image device |
| CN110926831B (en) * | 2019-12-11 | 2021-09-03 | 重庆长安汽车股份有限公司 | Pedestrian protection head type test point mirror image device |
| CN114608543A (en) * | 2020-12-08 | 2022-06-10 | 北京福田康明斯发动机有限公司 | Method and device for loading and centering in drum test |
| CN114608543B (en) * | 2020-12-08 | 2024-04-05 | 北京福田康明斯发动机有限公司 | Barrate test loading centering method and device |
| CN114112427A (en) * | 2021-11-12 | 2022-03-01 | 中汽研汽车检验中心(宁波)有限公司 | Automobile crash test trolley centering device and centering method |
| CN114112427B (en) * | 2021-11-12 | 2024-03-22 | 中汽研汽车检验中心(宁波)有限公司 | Car crash test trolley centering device and centering method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20210629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |