CN110118660A - A kind of automobile power emulation test system and test method based on dynamic load - Google Patents
A kind of automobile power emulation test system and test method based on dynamic load Download PDFInfo
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- CN110118660A CN110118660A CN201910223855.3A CN201910223855A CN110118660A CN 110118660 A CN110118660 A CN 110118660A CN 201910223855 A CN201910223855 A CN 201910223855A CN 110118660 A CN110118660 A CN 110118660A
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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
Abstract
The present invention relates to a kind of automobile power emulation test system and test method based on dynamic load, including test carrier, that tests carrier is internally provided with gradient regulating mechanism, and the rear end for testing carrier is provided with traction mechanism.The front end of the test carrier is the left and right sides lock chambers arranged symmetrically that carrier is tested into Che Kou, tests and is provided with location hole on the side wall of carrier, is evenly arranged with locking hole on the inner wall of lock chambers.The present invention can solve following problem present in existing automobile dynamic integral power analogue simulation test: a, the angle for imitating working uphill can not be controlled, influence the test data of automobile climbing power, the case where when working uphill for that may happen suddenly, does not prevent effectively, and test vehicle is easy to cause to overturn or even scrap.B, automobile traction power test in climbing can not control the size of tractive force according to the actual situation, not can guarantee the automobile accuracy that tractive force is tested in different environments.
Description
Technical field
Design vehicle of the present invention collides equipment technical field, and specifically a kind of automobile power based on dynamic load is imitative
True pilot system and test method.
Background technique
The effect of vehicle complete vehicle power can pass through the tractive force of test automobile, the modes such as climbing capacity and acceleration time
It is evaluated, a variety of different fields can be simulated for the test of tractive force and climbing during testing vehicle complete vehicle power
Scape is tested, to obtain the precise information of vehicle complete vehicle power.
There are following problems: a in the test of existing automobile dynamic integral power analogue simulation, imitate the angle of working uphill without
Method is controlled, and the test data of automobile climbing power is influenced, and when working uphill for that may happen suddenly the case where is not effective
Prevention is easy to cause test vehicle to overturn or even scrap.B, traction power test can not be according to the actual situation in climbing for automobile
Control the size of tractive force, the automobile accuracy that tractive force is tested in different environments.
About some problems common during vehicle complete vehicle dynamic test, relevant industries are made that research, and mention
Specific technical solution is gone out, the Chinese utility model patent pure electric vehicle power such as Patent No. 2013206992177 is total
At testing stand, in terms of key components and parts bench test equipment, may be implemented to carry out all pure electric vehicles on a test-bed
Vehicle power assembly detection project can also simulate every test of the pure electric vehicle power assembly under road condition.
For the above reasons, the test of automobile gradeability and traction power is asked during vehicle complete vehicle dynamic test
Topic is not resolved still.
Summary of the invention
To solve the above-mentioned problems, the automobile power emulation test system that the present invention provides a kind of based on dynamic load and
Test method, can solve following problem present in existing automobile dynamic integral power analogue simulation test: a imitates climbing
The angle of operation can not be controlled, and the test data of automobile climbing power is influenced, when working uphill for may burst feelings
Condition is not prevented effectively, and test vehicle is easy to cause to overturn or even scrap.B, traction power test can not in climbing for automobile
The size for controlling tractive force according to the actual situation not can guarantee the accuracy of automobile tractive force test in different environments, can be with
Realize the function of automobile integral power l-G simulation test intelligence stable regulation.
To achieve the goals above, the present invention is realized using following technical scheme: a kind of automobile based on dynamic load
Dynamical simulation pilot system, including test carrier, that tests carrier is internally provided with gradient regulating mechanism, tests carrier
Rear end be provided with traction mechanism.
The front end of the test carrier is the left and right sides lock chambers arranged symmetrically that carrier is tested into Che Kou, test
It is provided with location hole on the side wall of carrier, is evenly arranged with locking hole on the inner wall of lock chambers, tests on the rear wall of carrier
It is provided with towing pad.
The gradient regulating mechanism includes the test jobs frame being arranged on test carrier by pin shaft, test jobs frame
Lower end and test carrier between be provided with adjusting execute branch, the upper end of test jobs frame is evenly arranged with anti-from front to back
Shield buffering branch, is symmetrically arranged with locking branch at left and right sides of test jobs frame, locking branch by sliding matching mode with
Lock chambers are connected, and test jobs frame progress angular adjustment can accurately be controlled by adjusting execution branch, and locking branch can guarantee to survey
Industry frame is studied in the stability of specified gradient, protective buffering branch can effectively prevent the fortuitous event of burst
Shield.
The protective buffering branch includes that the protection being mounted on test jobs frame adjusts cylinder, and protection adjusts the top of cylinder
End is mounted on protection bearing frame, is protected on the side wall of bearing frame and is provided with protection spring lever, is equipped on protection spring lever anti-
Working plate is protected, protected working plate is connected with the upper end of bearing frame is protected by sliding matching mode, protects on bearing frame and be provided with
Sliding groove is protected, protection sliding groove is interior to be provided with protection sliding rack by sliding matching mode, protects on the side wall of sliding rack and leads to
It crosses buffering spring lever and is provided with buffering arc block, protect between the left and right sides of sliding rack and protection bearing frame and be symmetrically arranged with and subtract
Slow component.
Preferably, the traction mechanism includes the traction support frame being mounted on test carrier rear wall, draws support frame
On from a left side be provided with traction branch at equal intervals backward, test on carrier and towage pipe be installed, under towage pipe
It draws branch across towing pad and is connected on drag rope by towage pipe in end.
Preferably, it includes being connected between test jobs frame and test carrier by pin shaft that the adjusting, which executes branch,
It adjusts and executes bar, test on carrier and execution adjusting motor is equipped with by motor cabinet, execute and lead on the output shaft for adjusting motor
It crosses shaft coupling and is connected with the one end for executing lead screw, the other end for executing lead screw is fixed on test carrier by bearing, is executed
It is provided with execution sliding rack on lead screw, executes sliding rack and is connected on test carrier by sliding matching mode, execute sliding
Execution slide roller is provided with by bearing on frame, the upper end for executing slide roller is resisted against adjusting and executes on bar.
Preferably, the component that slows down includes the protection interlocking bar being arranged on protection sliding rack side wall by pin shaft, is prevented
Shield interlocking bar is mounted on protection by pin shaft and slows down on frame, and protection, which slows down frame and is mounted on, to be slowed down on spring lever, slows down spring lever and pacifies
On protection bearing frame.
Preferably, the traction branch includes the guiding piece being arranged on traction support frame by sliding matching mode, is led
The upper end for drawing support frame, which is arranged side by side, guide roller, and the rear end for drawing support frame is provided with limiting slot, and setting is limited in limiting slot
Position frame is provided with limiting cylinder between position-limited rack and traction support frame, and spring rope is provided on guiding piece, and spring rope passes through guiding
Roller, towage pipe are connected on drag rope.
Preferably, the locking branch includes the locking tube being mounted on test jobs frame, and locking tube is by being slidably matched
Mode is connected in lock chambers, and fixation hole is symmetrically arranged on the side wall of locking tube, and fixed branch is provided in fixation hole, locking
Locking cylinder is installed, the top of locking cylinder is mounted on locking job block by flange, locks job block on the inner wall of pipe
On be symmetrically arranged with positioning column, between positioning column and location hole cooperate movement.
Preferably, the fixed link in fixation hole, fixed link and lock is arranged in by sliding matching mode in the fixed branch
Fixed spring is provided between the inner wall of tight pipe, fixed link is resisted against on locking job block, between fixed link and locking hole mutually
Cooperative movement.
Preferably, the T-shaped structure of the locking job block, and locking in the middle part of job block is that diameter is sequentially reduced from the bottom up
Round-like structure.
Furthermore the present invention also provides an a kind of test method for the automobile power emulation test system based on dynamic load,
It mainly comprises the steps that
The automobile tested is moved at test jobs frame rear position, will draw by first step preparation work
Rope is fixedly connected with automobile.
Second step adjusts angle, executes the execution sliding rack adjusted on motor control execution lead screw and carries out movement to pass through
It executes slide roller and squeezes execution bar is adjusted, adjusting execution bar controls test jobs frame during the motion and carries out angle tune
Section.
Third step position is fixed, and locking cylinder control locking job block, which shrink, drives positioning column to be inserted into location hole
It is interior, fixed link is squeezed into locking hole while locking job block movement and carries out dual fixed operation.
4th step test jobs, limiting cylinder control position-limited rack carry out angular adjustment, position-limited rack control guiding piece sliding with
Fixed two states, so that suitable traction dynamics be selected to be tested, the tensional state by observing spring rope records traction
The numerical value of pulling force.
The 5th critical protection of step, when automobile in gradient test process because fortuitous event can not emergency braking when, protection adjust
Displacements of cylinders control protection bearing frame moves upwards, and cooperates between buffering elastic spring base and buffering arc block and carries out level-one to automobile
Buffering, protection sliding rack pass through protection interlocking bar extruding during exercise and slow down spring lever progress level 2 buffering.
The beneficial effects of the present invention are:
1. the present invention can solve following problem present in existing automobile dynamic integral power analogue simulation test: a, mould
The angle of imitative working uphill can not be controlled, and influence the test data of automobile climbing power, for that may dash forward when working uphill
The case where hair, does not prevent effectively, and test vehicle is easy to cause to overturn or even scrap.B, automobile traction power in climbing is surveyed
Examination can not control the size of tractive force according to the actual situation, not can guarantee the accurate of automobile tractive force test in different environments
Property, the function of automobile integral power l-G simulation test intelligence stable regulation may be implemented.
2. adjusting to execute branch and can accurately control test jobs frame in the present invention and carrying out angular adjustment, locking branch can be with
Guarantee test jobs frame in the stability of specified gradient, protective buffering branch can carry out the fortuitous event of burst effective
Protection.
3. the traction mechanism in the present invention controls position-limited rack by limiting cylinder and carries out angular adjustment, position-limited rack control traction
Block sliding can simulate tractive force in different situations so that suitable traction dynamics be selected to be tested with fixed two states
Size, thus guarantee automobile in different environments tractive force test accuracy.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is first structure diagram of the invention.
Fig. 2 is the cross-sectional view between present invention test carrier and gradient regulating mechanism.
Fig. 3 is the I of Fig. 2 of the present invention to partial enlarged view.
Fig. 4 is the partial structure sectional view of protective buffering branch of the present invention.
Fig. 5 is the structural schematic diagram between present invention test carrier, test jobs frame and locking branch.
Fig. 6 is the structural schematic diagram between present invention test carrier and traction mechanism.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
As shown in Fig. 1 to Fig. 6, a kind of automobile power emulation test system based on dynamic load, including test carrier
1, test carrier 1 is internally provided with gradient regulating mechanism 2, and the rear end of test carrier 1 is provided with traction mechanism 3.
The front end of the test carrier 1 is the left and right sides lock chambers arranged symmetrically that carrier 1 is tested into Che Kou, is surveyed
It tries to be provided with location hole on the side wall of carrier 1, locking hole is evenly arranged on the inner wall of lock chambers, after testing carrier 1
Towing pad is provided on wall.
The gradient regulating mechanism 2 includes the test jobs frame 21 being arranged on test carrier 1 by pin shaft, and test is made
Adjusting is provided between the lower end and test carrier 1 of industry frame 21 and executes branch 22, and the upper end of test jobs frame 21 is from front to back
It is evenly arranged with protective buffering branch 23, the left and right sides of test jobs frame 21 is symmetrically arranged with locking branch 24, locks branch
24 are connected by sliding matching mode with lock chambers.
The protective buffering branch 23 includes that the protection being mounted on test jobs frame 21 adjusts cylinder 231, and protection is adjusted
The top of cylinder 231 is mounted on protection bearing frame 232, is protected on the side wall of bearing frame 232 and is provided with protection spring lever 233,
Protected working plate 234 is installed, protected working plate 234 passes through sliding matching mode and protection bearing frame on protection spring lever 233
232 upper end is connected, and protects on bearing frame 232 and is provided with protection sliding groove, is set in protection sliding groove by sliding matching mode
It is equipped with protection sliding rack 235, protects on the side wall of sliding rack 235 and buffering arc block 237 is provided with by buffering elastic spring base 236,
It protects between the left and right sides of sliding rack 235 and protection bearing frame 232 to be symmetrically arranged with and slows down component 238.
The traction mechanism 3 includes the traction support frame 31 being mounted on test 1 rear wall of carrier, is drawn on support frame 31
Traction branch 32 is provided at equal intervals backward from left, tests on carrier 1 and towage pipe 33, towage pipe 33 are installed
Lower end pass through towing pad, traction branch 32 is connected on drag rope 34 by towage pipe 33.
The execution branch 22 that adjusts includes the tune being connected between test jobs frame 21 and test carrier 1 by pin shaft
Section executes bar 221, tests on carrier 1 and is equipped with execution adjusting motor 222 by motor cabinet, executes and adjust the defeated of motor 222
It is connected by shaft coupling with the one end for executing lead screw 223 on shaft, the other end for executing lead screw 223 is fixed on test by bearing
It on carrier 1, executes and is provided with execution sliding rack 224 on lead screw 223, execute sliding rack 224 and pass through sliding matching mode connection
On test carrier 1, executes and execution slide roller 225 is provided with by bearing on sliding rack 224, execute the upper of slide roller 225
End is resisted against adjusting and executes on bar 221.
The component 238 that slows down includes the protection interlocking bar 2381 being arranged on protection 235 side wall of sliding rack by pin shaft,
Protection interlocking bar 2381 is mounted on protection by pin shaft and slows down on frame 2382, protects to slow down frame 2382 and be mounted on and slows down spring lever
On 2383, slows down spring lever 2383 and be mounted on protection bearing frame 232.
The traction branch 32 includes the guiding piece 321 being arranged on traction support frame 31 by sliding matching mode, is led
The upper end for drawing support frame 31, which is arranged side by side, guide roller 322, and the rear end of traction support frame 31 is provided with limiting slot, sets in limiting slot
It is equipped with position-limited rack 323, limiting cylinder 324 is provided between position-limited rack 323 and traction support frame 31, is provided on guiding piece 321
Spring rope 325, spring rope 325 passes through guide roller 322, towage pipe 33 is connected on drag rope 34.
The locking branch 24 includes the locking tube 241 being mounted on test jobs frame 21, and locking tube 241 is matched by sliding
Conjunction mode is connected in lock chambers, and fixation hole is symmetrically arranged on the side wall of locking tube 241, fixed branch is provided in fixation hole
242, locking cylinder 243 is installed, the top of locking cylinder 243 is mounted on locking by flange and makees on the inner wall of locking tube 241
It on industry block 244, locks and is symmetrically arranged with positioning column 245 on job block 244, cooperate fortune between positioning column 245 and location hole
It is dynamic.
The fixed link 2421 in fixation hole, fixed link 2421 is arranged in by sliding matching mode in the fixed branch 242
Fixed spring 2422 is provided between the inner wall of locking tube 241, fixed link 2421 is resisted against on locking job block 244, fixed
Cooperate movement between bar 2421 and locking hole.
The T-shaped structure of the locking job block 244, and lock and be sequentially reduced from the bottom up in the middle part of job block 244 for diameter
Round-like structure.
Furthermore the test method of the present invention also provides a kind of automobile power emulation test system based on dynamic load, it is main
Want the following steps are included:
The automobile tested is moved at 21 rear position of test jobs frame, will lead by first step preparation work
Messenger rope 34 is fixedly connected with automobile；
Second step adjusts angle, executes the execution sliding rack 224 adjusted on the control execution lead screw 223 of motor 222 and is moved
It is dynamic to be squeezed to execute bars 221 by execution 225 pairs of adjustings of slide roller, it adjusts execution bar 221 and controls during the motion
Test jobs frame 21 carries out angular adjustment；
Third step position is fixed, and the control locking job block 244 of locking cylinder 243, which shrink, drives positioning column 245 to be inserted into
To positioning hole, fixed link 2421 is squeezed into locking hole while locking job block 244 and moving and carries out dual fixed work
Industry；
4th step test jobs, limiting cylinder 324 control position-limited rack 323 and carry out angular adjustment, the control traction of position-limited rack 323
The sliding of block 321 and fixed two states, to select suitable traction dynamics to be tested, by the drawing for observing spring rope 325
Stretch the numerical value of state recording pulling force；
The 5th critical protection of step, when automobile in gradient test process because fortuitous event can not emergency braking when, protection adjust
The control protection bearing frame 232 of displacements of cylinders 231 moves upwards, mutual cooperation pair between buffering elastic spring base 236 and buffering arc block 237
Automobile carry out first-level buffer, protection sliding rack 235 during exercise by protection interlocking bar 2381 extruding slow down spring lever 2383 into
Row level 2 buffering.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of automobile power emulation test system based on dynamic load, including test carrier (1), it is characterised in that: survey
Examination carrier (1) is internally provided with gradient regulating mechanism (2), and the rear end of test carrier (1) is provided with traction mechanism (3)；
The front end of test carrier (1) is the left and right sides lock chambers arranged symmetrically that carrier (1) is tested into Che Kou, is surveyed
It tries to be provided with location hole on the side wall of carrier (1), locking hole is evenly arranged on the inner wall of lock chambers, is tested carrier (1)
Rear wall on be provided with towing pad；
The gradient regulating mechanism (2) includes the test jobs frame (21) by pin shaft setting in test carrier (1), test
Be provided with adjusting between the lower end of operation frame (21) and test carrier (1) and execute branch (22), test jobs frame (21) it is upper
End is evenly arranged with protective buffering branch (23) from front to back, and locking branch is symmetrically arranged at left and right sides of test jobs frame (21)
Chain (24), locking branch (24) are connected by sliding matching mode with lock chambers；
The protective buffering branch (23) includes that the protection being mounted on test jobs frame (21) adjusts cylinder (231), and protection is adjusted
The top of displacements of cylinders (231) is mounted in protection bearing frame (232), is protected on the side wall of bearing frame (232) and is provided with protection bullet
Spring base (233) is protected on spring lever (233) and is equipped with protected working plate (234), and protected working plate (234) is by being slidably matched
Mode is connected with the upper end of protection bearing frame (232), and protection sliding groove is provided in protection bearing frame (232), protects sliding groove
It is interior that protection sliding rack (235) is provided with by sliding matching mode, it protects and passes through buffering elastic spring base on the side wall of sliding rack (235)
(236) it is provided with buffering arc block (237), is protected symmetrical between the left and right sides of sliding rack (235) and protection bearing frame (232)
It is provided with and slows down component (238)；
The traction mechanism (3) includes the traction support frame (31) being mounted on test carrier (1) rear wall, draws support frame
(31) traction branch (32) is provided at equal intervals backward from left on, and towage pipe (33) are installed in test carrier (1),
The lower end of towage pipe (33) passes through towing pad, and traction branch (32) is connected to drag rope by towage pipe (33)
(34) on.
2. a kind of automobile power emulation test system based on dynamic load according to claim 1, it is characterised in that: institute
Stating and adjusting execution branch (22) includes that the adjusting for being connected to test jobs frame (21) by pin shaft and testing between carrier (1) is held
Row bar (221) is tested on carrier (1) and is equipped with execution adjusting motor (222) by motor cabinet, executes and adjust motor (222)
Output shaft on by shaft coupling with execute lead screw (223) one end be connected, execution lead screw (223) the other end by bearing consolidate
It is scheduled in test carrier (1), executes and be provided with execution sliding rack (224) on lead screw (223), execute sliding rack (224) and pass through
Sliding matching mode is connected in test carrier (1), executes and bearing is provided with execution slide roller on sliding rack (224)
(225), the upper end for executing slide roller (225) is resisted against adjusting and executes on bar (221).
3. a kind of automobile power emulation test system based on dynamic load according to claim 1, it is characterised in that: institute
State slow down component (238) include by pin shaft setting protection sliding rack (235) side wall on protection interlocking bar (2381), protection
Interlocking bar (2381) is mounted on protection by pin shaft and slows down on frame (2382), and protection, which slows down frame (2382) and is mounted on, slows down spring lever
(2383) on, slow down spring lever (2383) and be mounted in protection bearing frame (232).
4. a kind of automobile power emulation test system based on dynamic load according to claim 1, it is characterised in that: institute
Stating traction branch (32) includes the guiding piece (321) by sliding matching mode setting in traction support frame (31), traction branch
The upper end of support (31), which is arranged side by side, to be had guide roller (322), and the rear end of traction support frame (31) is provided with limiting slot, in limiting slot
It is provided with position-limited rack (323), is provided with limiting cylinder (324), guiding piece between position-limited rack (323) and traction support frame (31)
(321) it is provided on spring rope (325), spring rope (325) passes through guide roller (322), towage pipe (33) is connected to traction
On rope (34).
5. a kind of automobile power emulation test system based on dynamic load according to claim 1, it is characterised in that: institute
Stating locking branch (24) includes the locking tube (241) being mounted on test jobs frame (21), and locking tube (241) is by being slidably matched
Mode is connected in lock chambers, and fixation hole is symmetrically arranged on the side wall of locking tube (241), fixed branch is provided in fixation hole
(242), it is equipped with locking cylinder (243) on the inner wall of locking tube (241), the top of locking cylinder (243) is installed by flange
It in locking job block (244), is symmetrically arranged with positioning column (245) in locking job block (244), positioning column (245) and positioning
Cooperate movement between hole.
6. a kind of automobile power emulation test system based on dynamic load according to claim 5, it is characterised in that: institute
State the fixed link (2421) that fixed branch (242) is arranged in fixation hole by sliding matching mode, fixed link (2421) and lock
It being provided with fixed spring (2422) between the inner wall of tight pipe (241), fixed link (2421) is resisted against in locking job block (244),
Cooperate movement between fixed link (2421) and locking hole.
7. a kind of automobile power emulation test system based on dynamic load according to claim 5, it is characterised in that: institute
Locking job block (244) T-shaped structure is stated, and locks the rotary table being sequentially reduced from the bottom up in the middle part of job block (244) for diameter
Shape structure.
8. a kind of test method of the automobile power emulation test system based on dynamic load, it is characterised in that: mainly include with
Lower step:
The automobile tested is moved at test jobs frame (21) rear position, will draw by first step preparation work
Rope (34) is fixedly connected with automobile；
Second step adjusts angle, executes the execution sliding rack (224) adjusted in motor (222) control execution lead screw (223) and carries out
Mobile to squeeze to execute bar (221) to adjusting by execution slide roller (225), adjusting executes bar (221) and is being moved through
Test jobs frame (21) are controlled in journey carries out angular adjustment；
Third step position is fixed, and locking cylinder (243) control locking job block (244), which shrink, drives positioning column (245) to insert
Enter to positioning hole, fixed link (2421) is squeezed into locking hole while locking job block (244) and moving carry out it is dual
Fixed operation；
4th step test jobs, limiting cylinder (324) control position-limited rack (323) and carry out angular adjustment, and position-limited rack (323) control is led
Draw block (321) sliding and fixed two states, to select suitable traction dynamics to be tested, by observing spring rope
(325) numerical value of tensional state record pulling force；
The 5th critical protection of step, when automobile in gradient test process because fortuitous event can not emergency braking when, protection adjust gas
Cylinder (231) control protection bearing frame (232) moves upwards, phase interworking between buffering elastic spring base (236) and buffering arc block (237)
It closes and first-level buffer is carried out to automobile, protection sliding rack (235) is squeezed by protection interlocking bar (2381) during exercise slows down spring
Bar (2383) carries out level 2 buffering.
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| CN201910223855.3A CN110118660B (en) | 2019-03-22 | 2019-03-22 | Automobile power simulation test system and method based on dynamic load |
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| CN201910223855.3A CN110118660B (en) | 2019-03-22 | 2019-03-22 | Automobile power simulation test system and method based on dynamic load |
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| CN111780992A (en) * | 2020-07-16 | 2020-10-16 | 高丰 | Automobile dynamic performance simulation test system and method based on dynamic load |
| CN113702069A (en) * | 2021-08-31 | 2021-11-26 | 襄阳达安汽车检测中心有限公司 | Automobile steep-slope climbing protection device and method |
| CN114354164A (en) * | 2021-12-30 | 2022-04-15 | 宁波市产品食品质量检验研究院(宁波市纤维检验所) | Garbage bin performance detection device |
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| CN113702069A (en) * | 2021-08-31 | 2021-11-26 | 襄阳达安汽车检测中心有限公司 | Automobile steep-slope climbing protection device and method |
| CN113702069B (en) * | 2021-08-31 | 2024-02-13 | 襄阳达安汽车检测中心有限公司 | Device and method for protecting automobile from climbing steep slope |
| CN114354164A (en) * | 2021-12-30 | 2022-04-15 | 宁波市产品食品质量检验研究院(宁波市纤维检验所) | Garbage bin performance detection device |
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