CN114608543B - Barrate test loading centering method and device - Google Patents
Barrate test loading centering method and device Download PDFInfo
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- CN114608543B CN114608543B CN202011443961.1A CN202011443961A CN114608543B CN 114608543 B CN114608543 B CN 114608543B CN 202011443961 A CN202011443961 A CN 202011443961A CN 114608543 B CN114608543 B CN 114608543B
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- 238000012360 testing method Methods 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000001179 sorption measurement Methods 0.000 description 26
- 238000009434 installation Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to a method and a device for centering a rotating drum test on a vehicle, relates to the technical field of vehicle tests, and aims to provide a method and a device which are convenient, quick and easy to realize, and solve the problem that the vehicle can quickly center the rotating drum when the rotating drum test is on the vehicle. According to the on-vehicle centering method for the rotary drum test, the signal receiving device can always receive the signal transmitted by the signal transmitting device in the running process of the test vehicle, so that the running direction of the test vehicle is the required centering direction, the centering error requirement of the wheels of the vehicle and the rotary drum is met, the process of repeatedly adjusting the position of the vehicle is avoided, and the positioning is accurate, rapid and easy to realize.
Description
Technical Field
The invention relates to the technical field of vehicle testing, in particular to a method and a device for centering on a vehicle in a rotary drum test.
Background
Before the drum test, the vehicle needs to be opened to the drum, the tires on the left side and the right side of the vehicle all need to be placed on the drum, the technical requirement for driving of a driver is very high, the eyes of the driver cannot find the position of the drum, when the wheel distance on the left side and the right side of the vehicle is equal to the distance between the left side and the right side of the drum, one of the wheels is easily completely or partially opened out of the drum, when the wheel distance on the left side and the right side of the vehicle is equal to the distance between the left side and the right side of the drum, one of the wheels is easily completely or partially opened into the inner side of the drum, the position of the vehicle is repeatedly adjusted, and time is wasted. A convenient and quick centering method is urgently needed when the rotating drum test is carried out, and the wheels on the two sides are ensured to be fully opened to be carried out on the rotating drum.
Disclosure of Invention
The invention provides a method and a device for centering a rotating drum test on a vehicle, which are used for providing a method and a device which are convenient, quick and easy to realize, and solving the problem that a vehicle can quickly center on the rotating drum when the rotating drum test is on the vehicle.
The invention provides a method for centering a drum test on a vehicle, which comprises the following steps:
step 100: a signal receiving device is arranged on one side of the rotary drum opposite to the test vehicle;
step 200: a signal transmitting device is arranged on the head side of the test vehicle;
step 300: the test vehicle is driven towards the rotary drum, and the signal receiving device can receive the signal transmitted by the signal transmitting device all the time when the test vehicle is driven.
In one embodiment, step 300 includes the sub-steps of:
step 310: starting a signal transmitting device to transmit signals;
step 320: driving the test vehicle toward the drum;
step 330: adjusting the travelling direction of the test vehicle until the signal receiving device can receive the signal transmitted by the signal transmitting device, and taking the travelling direction as the fixed travelling direction of the test vehicle;
step 340: and driving the test vehicle according to the fixed travelling direction until reaching the rotary drum.
In one embodiment, in step 100, a signal receiving device is disposed on the opposite side of the drums from the test vehicle and on the symmetry axis of both drums.
In one embodiment, step 200 includes the sub-steps of:
step 210: marking a vehicle centering mark line on the head side of the test vehicle, wherein the vehicle centering mark line is positioned on the symmetry axis of the left wheel and the right wheel of the test vehicle;
step 220: the signal transmitting device is arranged on the vehicle centering mark line.
In one embodiment, the signal emitting device is a visible light emitting device.
In one embodiment, the signal emitting device is a laser emitting device.
In one embodiment, in step 220, the signal emitting device is positioned on the vehicle centering mark line by a suction cup device or fastener.
In one embodiment, the signal receiving means is a centering dial, on which the signal receiving area is arranged.
In one embodiment, in step 100, the signal receiving device is disposed on a fan directly in front of the rotating drum.
According to a second aspect of the present invention, the present invention provides an apparatus for implementing the above-mentioned on-vehicle centering method for a drum test, comprising: the signal receiving device is positioned on the opposite side of the rotary drum to the test vehicle, and the signal transmitting device is positioned on the head side of the test vehicle.
Compared with the prior art, the invention has the advantages that the signal receiving device can always receive the signal transmitted by the signal transmitting device during the running of the test vehicle, so that the running direction of the test vehicle is the required centering direction, thereby meeting the centering error requirement of the wheels and the rotary drum of the vehicle, avoiding the process of repeatedly adjusting the position of the vehicle, and ensuring that the positioning is accurate, rapid and easy to realize.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
FIG. 1 is a flow chart of a method of centering a drum test on board in an embodiment of the invention;
FIG. 2 is a schematic structural view of a drum test boarding alignment device according to an embodiment of the present invention;
FIG. 3 is a schematic view of the first suction cup device according to the first embodiment of the present invention;
FIG. 4 is a schematic view of the first and third fixing clips shown in FIG. 3;
FIG. 5 is a schematic view of the structure of the second retaining clip shown in FIG. 3;
FIG. 6 is a schematic view of the mounting structure of the fixing clip shown in FIG. 3;
FIG. 7 is a schematic view of a second suction cup device according to a second embodiment of the present invention;
FIG. 8 is a schematic view of the first and second retaining clips of FIG. 7;
fig. 9 is a schematic view of the mounting structure of the fixing jig shown in fig. 7.
Reference numerals:
1-test vehicle; 11-vehicle centering mark line; 2-a rotary drum; 3-signal receiving means; 31-a signal receiving area; 4-signal transmitting means;
5-a first suction cup means;
52-a first fixation clamp; 53-a second fixation clamp; 54-a third fixing clip; 55-connecting rods;
56-sucking discs; 57-clamping hoop; 58-a first bolt; 59-a second bolt;
521-a first clamping groove; 531-second clamping groove; 532-a third clamping groove; 541-fourth clamping groove;
551-first vertical section; 552-horizontal segment; 553-a second vertical section;
6-a second suction cup means;
62-a first fixation clamp; 63-a second fixation clamp; 64-connecting rods; 65-sucking disc;
66-a third bolt; 67-fourth bolt; 68-clamping hoop;
621-a first mounting portion; 622-a second mounting portion; 623-a first clamping groove; 624-a second clamping groove;
631-a third mounting portion; 632-fourth mounting portion; 633-a third clamping groove; 634-fourth clamping groove.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, according to a first aspect of the present invention, the present invention provides a method for centering a drum test on a vehicle, comprising the steps of:
step 100: a signal receiving device 3 is provided on the side of the drum 2 opposite to the test vehicle 1.
As shown in fig. 2, the drum 2 is generally two drums coaxially disposed, and thus the signal receiving device 3 is disposed on the opposite side of the two drums 2 from the test vehicle 1 and on the symmetry axis of the two drums 2.
In practice, a fan is generally disposed directly in front of the drum 2, so that the signal receiving apparatus 3 can be disposed on the fan directly in front of the drum 2.
Step 200: a signal transmitting device 4 is provided on the head side of the test vehicle 1.
Specifically, first, the vehicle centering mark line 11 is drawn on the head side of the test vehicle 1, and as shown in fig. 2, the vehicle centering mark line 11 is located on the symmetry axis of the left and right wheels of the test vehicle 1. In the specific implementation, the length of the centering mark line 11 is not limited, and the vehicle can find a position for conveniently installing the signal transmitting device 4 to locally mark.
Next, the signal transmitting device 4 is provided on the vehicle centering mark line 11. So that the signal transmitted by the signal transmitting device 4 is directed on the bilateral symmetry plane of the test vehicle 1, the signal transmitted by the signal transmitting device 4 can be vertically transmitted to the signal receiving device 3.
In some embodiments, the signal emitting device 4 may be placed on the vehicle centering marking line 11 by a suction cup device or fastener to ensure that the signal emitting device 4 is located in the middle of the test vehicle 1.
Step 300: the test vehicle 1 is driven toward the drum 2, and the signal receiving device 3 can receive the signal transmitted by the signal transmitting device 4 all the time while the test vehicle 1 is driven.
Specifically, first, the signal transmitting device 4 is activated to transmit a signal. Wherein the signal emitting device 4 is a visible light emitting device.
Preferably, the signal emitting means 4 is a laser emitting means. The signal receiving device 3 is a centering scale on which a signal receiving area 31 is provided. The laser emitted by the laser emitting device can be irradiated onto the centering dial. The present invention is not limited to the shape and size of the centering dial as long as it can be easily observed by the driver.
Next, the test vehicle 1 is driven toward the drum 2. During traveling, the laser light may not irradiate the centering dial or be out of the range of the centering dial 31, and thus it is necessary to adjust the traveling direction of the test vehicle 1 until the signal receiving device 3 can receive the signal transmitted from the signal transmitting device 4, and the traveling direction is taken as a fixed traveling direction of the test vehicle 1.
When the laser signal emitted from the laser emitting device 4 is irradiated into the signal receiving area 31 of the signal receiving device 3 during the running of the test vehicle 1, it is indicated that the running direction of the test vehicle 1 is the centering direction.
Finally, the test vehicle 1 is driven in a fixed travel direction until it reaches the drum 2. During the running of the test vehicle 1, it is necessary to ensure that the laser light emitted by the laser emitting device is always irradiated within the range of the signal receiving area 31, so as to meet the alignment error requirement of the wheels and the drum of the test vehicle 1.
It should be noted that, the distance between the starting position of the test vehicle 1 and the drum 2 is greater than 5 meters, so that the driver can adjust the traveling direction of the vehicle conveniently.
As shown in fig. 2, according to a second aspect of the present invention, there is provided an apparatus for implementing the above-mentioned on-vehicle centering method for a drum test, comprising: a signal receiving device 3 located on the opposite side of the drum 2 from the test vehicle 1 and a signal transmitting device 4 located on the head side of the test vehicle 1.
Example 1
The signal transmitting device 4 is arranged on the test vehicle 1 by means of a first suction cup device 5.
Specifically, as shown in fig. 3 to 6, the first suction cup device 5 includes a fixing jig and an adsorption assembly, wherein the adsorption assembly is adsorbed on the test vehicle 1, and the signal transmitting device 4 is mounted on the adsorption assembly through the fixing jig, one end of the fixing jig is detachably connected with the adsorption assembly, and the other end of the fixing jig is detachably connected with the signal transmitting device 4.
When the drum test is carried out, the laser emission device can provide a visible laser beam for centering, is convenient for a driver to perform centering observation, and can quickly find out the position, so that the test vehicle can be quickly and accurately driven to the designated position on the drum, and the problem of difficult centering driving operation is solved. Meanwhile, the laser emission device provides a visible laser beam through the signal emission device 4, is adsorbed on a test vehicle (such as a front windshield) through the adsorption component, is simple in structure, is mounted on the test vehicle in an adsorption mode, is convenient to detach, can be repeatedly applied to the test vehicle, and cannot damage the test vehicle, and the signal emission device 4 is mounted through the fixing clamp and connected with the adsorption component.
In one embodiment, the fixing clamp comprises a first fixing clamp 52, a second fixing clamp 53 and a third fixing clamp 54 which are sequentially arranged from front to back, a first clamping space is arranged between the first fixing clamp 52 and the second fixing clamp 53, a second clamping space is arranged between the second fixing clamp 53 and the third fixing clamp 54, at least part of the signal transmitting device 4 is detachably arranged in the first clamping space, and at least part of the adsorbing component is detachably arranged in the second clamping space.
In this embodiment, the rear side of the first fixing clip 52 is engaged with the front side of the second fixing clip 53, so that a part of the signal transmitting device 4 is clamped in the first clamping space, and the rear side of the second fixing clip 53 is engaged with the front side of the third fixing clip 54, so that a part of the adsorbing component is clamped in the second clamping space.
Specifically, a first clamping groove 521 is provided on the rear sidewall of the first fixing clip 52, a second clamping groove 531 is provided on the front sidewall of the second fixing clip 53, and the first clamping groove 521 and the second clamping groove 531 constitute a first clamping space; the second fixing clip 53 is provided with a third clamping groove 532 on a rear sidewall thereof, the third fixing clip 54 is provided with a fourth clamping groove 541 on a front sidewall thereof, and the third clamping groove 532 and the fourth clamping groove 541 constitute a second clamping space.
Preferably, the first clamping space extends along the length direction of the second fixing clip 53, and the second clamping space extends along the width direction of the second fixing clip 53, that is, the extending direction of the first clamping space is perpendicular to the extending direction of the second clamping space. Specifically, as shown in fig. 4 to 6, the second clamping groove 531 extends in the length direction of the second fixing clip 53, the third clamping groove 532 extends in the width direction of the second fixing clip 53, the extending direction of the first clamping groove 521 is the same as the extending direction of the second clamping groove 531, and the extending direction of the fourth clamping groove 541 is the same as the extending direction of the third clamping groove 532.
Preferably, the radial cross section of the first clamping space and the radial cross section of the second clamping space are both circular. That is, the first clamping groove 521, the second clamping groove 531, the third clamping groove 532 and the fourth clamping groove 541 are semicircular grooves, wherein the first clamping groove 521 and the second clamping groove 531 are matched with the outer wall of the signal transmitting device 4, and the third clamping groove 532 and the fourth clamping groove 541 are matched with the outer wall of the middle portion of the connecting rod 55. Specifically, the radial section of the signal transmitting device 4 is circular, the radial section of the part, connected with the fixing clamp, of the adsorption component is circular, and the radial section of the first clamping space and the radial section of the second clamping space are both circular, so that the signal transmitting device 4 and the adsorption component can be installed more stably.
During installation, the positions of the fixing clamp and the adsorption component are adjustable, the fixing clamp rotates around the adsorption component by taking the extending direction of the second clamping space as an axis, so that the position of the signal transmitting device 4 installed on the first clamping space is rotationally adjustable, a proper transmitting position of a laser beam can be found conveniently, and particularly, for example, the laser transmitting direction of the signal transmitting device 4 is perpendicular to the supporting surface (mounting surface) of the adsorption component.
In one embodiment, the first fixing clip 52 is detachably connected to the second fixing clip 53 through a first fastener, and the second fixing clip 53 is detachably connected to the third fixing clip 54 through a second fastener, so that the disassembly is convenient. Specifically, the first fastening member includes two first bolts 58 arranged at intervals in the vertical direction, the two first bolts 58 are respectively located at both sides of the first clamping space, and the second fastening member includes two second bolts 59 arranged at intervals in the horizontal direction, the two second bolts 59 are respectively located at both sides of the second clamping space. Wherein, the arrangement direction of the first bolts 58 is mutually perpendicular to the arrangement direction of the second bolts 59, so that the four bolts apply fastening force to the two fixing clips from four positions of upper, lower, left and right, and the installation is firmer.
In one embodiment, the adsorption assembly includes a connection rod 55 and two suction cups 56, the two suction cups 56 are detachably connected to two ends of the connection rod 55, respectively, and a middle portion of the connection rod 55 is detachably connected to one end of the fixing clamp.
Specifically, the sucking discs 56 are detachably connected to two ends of the connecting plate through the clamping bands 57, so that the installation is stable and the disassembly is convenient.
Wherein, adopt two sucking discs 56 to adsorb on test vehicle, adsorb more firmly, be difficult for dropping, connecting rod 55 is used for connecting two sucking discs 56 to it provides the mounted position for mounting fixture.
Specifically, the connecting rod 55 includes a first vertical section 551, a horizontal section 552 and a second vertical section 553 that are sequentially connected, the lower end of the first vertical section 551 and the lower end of the second vertical section 553 are detachably connected with a suction cup 56 respectively, the middle part of the horizontal section 552 is detachably connected with one end of a fixing clamp, the shape of the connecting rod 55 is an inverted U shape, and the radial section of the connecting rod is circular.
In one embodiment, the first, second and third fixing clips 52, 53 and 54 are combined into a rectangular block-shaped whole. Thus, the first and third fixing clips 52 and 54 can be designed as parts having identical shapes and sizes, as shown in fig. 2, which is advantageous in terms of manufacturing of the parts.
Example 2
The signal transmitting means 4 are arranged on the test vehicle 1 by means of the second suction cup means 6.
Specifically, as shown in fig. 7 to 9, the second suction cup device 6 includes a fixing jig and an adsorption assembly, both ends of the fixing jig are detachably connected with the signal emitting device 4 and the adsorption assembly, respectively, wherein the signal emitting device 4 is used for providing a visible laser beam, the fixing jig is used for installing the signal emitting device 4, and the adsorption assembly is adsorbed on the test vehicle, so that the signal emitting device 4 and the fixing jig can be installed on the test vehicle.
When the drum test is carried out, the laser emission device can provide a visible laser beam for centering, is convenient for a driver to perform centering observation, and can quickly find out the position, so that the test vehicle can be quickly and accurately driven to the designated position on the drum, and the problem of difficult centering driving operation is solved. Meanwhile, the laser emission device provides a visible laser beam through the signal emission device 4, is adsorbed on a test vehicle (such as a front windshield) through the adsorption component, is simple in structure, is mounted on the test vehicle in an adsorption mode, is convenient to detach, can be repeatedly applied to the test vehicle, and cannot damage the test vehicle, and the signal emission device 4 is mounted through the fixing clamp and connected with the adsorption component.
In one embodiment, the fixing clamp comprises a first fixing clamp 62 and a second fixing clamp 63 which are oppositely arranged, the first fixing clamp 62 is detachably connected with the second fixing clamp 63, a first clamping space and a second clamping space are arranged between the first fixing clamp and the second fixing clamp, at least part of the signal transmitting device 4 is arranged in the first clamping space, and at least part of the adsorption component is arranged in the second clamping space.
In this embodiment, the two fixing clips are fastened together relatively, so that the signal transmitting device 4 and a part of the adsorption component are respectively clamped in the first clamping space and the second clamping space.
Specifically, the first fixing clip 62 includes a first mounting portion 621 and a second mounting portion 622 integrally provided, a first clamping groove 623 is provided on an inner wall of the first mounting portion 621, and a second clamping groove 624 is provided on an inner wall of the second mounting portion 622; the second fixing clip 63 includes a third mounting portion 631 and a fourth mounting portion 632 integrally provided, a third clamping groove 633 is provided on an inner wall of the third mounting portion 631, and a fourth clamping groove 634 is provided on an inner wall of the fourth mounting portion 632.
Wherein the first mounting portion 621 is disposed opposite to the third mounting portion 631 and the first clamping groove 623 and the third clamping groove 633 constitute a first clamping space, the second mounting portion 622 is disposed opposite to the fourth mounting portion 632 and the second clamping groove 624 and the fourth clamping groove 634 constitute a second clamping space.
Preferably, the extending direction of the first clamping space is perpendicular to the extending direction of the second clamping space. As shown in fig. 2, on the first fixing clip 62, the length direction of the first mounting portion 621 is perpendicular to the length direction of the second mounting portion 622, and the extending direction of the first clamping groove 623 is perpendicular to the extending direction of the second clamping groove 624; in the second fixing clip 63, the length direction of the third mounting portion 631 is perpendicular to the length direction of the fourth mounting portion 632, and the extending direction of the third holding groove 633 is perpendicular to the extending direction of the fourth holding groove 634.
During installation, the positions of the fixing clamp and the adsorption component are adjustable, the fixing clamp rotates around the adsorption component by taking the extending direction of the second clamping space as an axis, so that the position of the signal transmitting device 4 installed on the first clamping space is rotationally adjustable, a proper transmitting position of a laser beam can be found conveniently, and particularly, for example, the laser transmitting direction of the signal transmitting device 4 is perpendicular to the supporting surface (mounting surface) of the adsorption component.
In one embodiment, the adsorption assembly includes a connection rod 64 and two suction cups 65, and the two suction cups 65 are detachably connected to two ends of the connection rod 64, respectively, and a middle portion of the connection rod 64 is detachably connected to one end of the fixing clamp.
Specifically, the sucking discs 65 are detachably connected to two ends of the connecting plate through the clamping bands 68, so that the installation is stable and the disassembly is convenient.
Wherein, adopt two sucking discs 65 to adsorb on test vehicle, adsorb more firmly, be difficult for dropping, connecting rod 64 is used for connecting two sucking discs 65 to it provides the mounted position for mounting fixture. Specifically, the connecting rod 64 has an inverted U-shape with a circular radial cross section.
In one embodiment, the radial cross section of the signal emitting device 4 is circular, the radial cross section of the connecting rod 64 in the adsorption assembly is circular, and the radial cross section of the first clamping space and the radial cross section of the second clamping space are both circular for more stable installation of the signal emitting device 4 and the connecting rod 64.
Specifically, the first clamping groove 623, the second clamping groove 624, the third clamping groove 633 and the fourth clamping groove 634 are all semicircular grooves, wherein the first clamping groove 623 and the third clamping groove 633 are matched with the outer wall of the signal transmitting device 4, and the second clamping groove 624 and the fourth clamping groove 634 are matched with the outer wall of the middle part of the connecting rod 64.
In one embodiment, the first securing clip 62 is combined with the second securing clip into a rectangular block-shaped unitary body. Thus, the first and second fixing clips 62 and 63 can be designed as parts having identical shapes and sizes, as shown in fig. 2, which is advantageous in terms of manufacturing of the parts.
In one embodiment, the first and second fixing clips 62 and 63 are detachably connected by fasteners, which is convenient.
Specifically, the above-described fastener includes the third bolt 66 and the fourth bolt 67, the first mounting portion 621 and the third mounting portion 631 are detachably connected by the third bolt 66, and the second mounting portion 622 and the fourth mounting portion 632 are detachably connected by the fourth bolt 67. The installation direction of the third bolt 66 is perpendicular to the installation direction of the fourth bolt 67, so that the two bolts apply fastening force to the two fixing clips in four directions of front, back, left and right, and the installation is firmer.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (7)
1. The on-vehicle centering method for the drum test is characterized by comprising the following steps of:
step 100: a signal receiving device is arranged on one side of the rotary drum opposite to the test vehicle and on the symmetry axis of the two rotary drums;
step 200: comprises the following substeps: step 210: marking a vehicle centering mark line on the head side of the test vehicle, wherein the vehicle centering mark line is positioned on the symmetry axis of the left wheel and the right wheel of the test vehicle; step 220: a signal transmitting device is arranged on the vehicle centering mark line;
step 300: the test vehicle is driven towards the rotary drum, and the signal receiving device can receive the signal transmitted by the signal transmitting device all the time when the test vehicle is driven;
step 300 comprises the sub-steps of: step 310: starting a signal transmitting device to transmit signals; step 320: driving the test vehicle toward the drum; step 330: adjusting the travelling direction of the test vehicle until the signal receiving device can receive the signal transmitted by the signal transmitting device, and taking the travelling direction as the fixed travelling direction of the test vehicle; step 340: and driving the test vehicle according to the fixed travelling direction until reaching the rotary drum.
2. The drum test on-vehicle centering method as claimed in claim 1, wherein the signal emitting device is a visible light emitting device.
3. The drum test on-vehicle centering method as claimed in claim 1, wherein the signal emitting device is a laser emitting device.
4. The drum test on-board centering method as claimed in claim 1, wherein in step 220, the signal emitting device is provided on the vehicle centering mark line by a suction cup device or a fastener.
5. The method of centering on a drum test vehicle of claim 1, wherein the signal receiving device is a centering scale having a signal receiving area disposed thereon.
6. The method of centering on a rotating drum test of claim 1, wherein in step 100, the signal receiving device is disposed on a fan directly in front of the rotating drum.
7. An apparatus for carrying out the drum test on-board centering method as claimed in any one of claims 1 to 6, comprising: the signal receiving device is positioned on the opposite side of the rotary drum to the test vehicle, and the signal transmitting device is positioned on the head side of the test vehicle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011443961.1A CN114608543B (en) | 2020-12-08 | 2020-12-08 | Barrate test loading centering method and device |
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| CN202011443961.1A CN114608543B (en) | 2020-12-08 | 2020-12-08 | Barrate test loading centering method and device |
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| CN114608543A CN114608543A (en) | 2022-06-10 |
| CN114608543B true CN114608543B (en) | 2024-04-05 |
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