CN110118660B - Automobile power simulation test system and method based on dynamic load - Google Patents
Automobile power simulation test system and method based on dynamic load Download PDFInfo
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- CN110118660B CN110118660B CN201910223855.3A CN201910223855A CN110118660B CN 110118660 B CN110118660 B CN 110118660B CN 201910223855 A CN201910223855 A CN 201910223855A CN 110118660 B CN110118660 B CN 110118660B
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention relates to an automobile power simulation test system and method based on dynamic load. The front end of the test bearing frame is a vehicle inlet, the left side and the right side of the test bearing frame are symmetrically provided with locking cavities, the side wall of the test bearing frame is provided with positioning holes, and the inner wall of each locking cavity is uniformly provided with locking holes. The invention can solve the following problems in the prior automobile dynamic integral power simulation test: and a, simulating the angle of climbing operation, wherein the angle cannot be controlled, test data of automobile climbing power is influenced, and the test vehicle is easy to overturn and even scrap due to no effective prevention for possible sudden conditions during climbing operation. b. The traction power test of the automobile in climbing cannot control the traction force according to the actual condition, and the accuracy of the traction force test of the automobile in different environments cannot be ensured.
Description
Technical Field
The invention relates to the technical field of automobile collision equipment, in particular to an automobile power simulation test system and method based on dynamic load.
Background
The effect of the whole vehicle power can be evaluated by testing the traction force, the climbing capability, the acceleration time and the like of the vehicle, and various different scenes can be simulated for testing the traction force and the climbing in the process of testing the whole vehicle power, so that accurate data of the whole vehicle power can be obtained.
The existing automobile dynamic integral power simulation test has the following problems: and a, simulating the angle of climbing operation, wherein the angle cannot be controlled, test data of automobile climbing power is influenced, and the test vehicle is easy to overturn and even scrap due to no effective prevention for possible sudden conditions during climbing operation. b. The traction power test of the automobile in climbing cannot control the traction force according to the actual condition, and the accuracy of the traction force test of the automobile in different environments is improved.
About the whole car power test in-process some common problems of car, research has been made to relevant trade to specific technical scheme has been proposed, for example the chinese utility model patent that patent number is 2013206992177 the pure electric vehicle power assembly test bench, in the aspect of key spare part bench test equipment, can realize on a test bench, carry out all pure electric vehicle power assembly detection items, can also simulate pure electric vehicle power assembly each item under the road operating mode experimental.
For the above reasons, the test problems of the climbing capability and the traction power of the automobile in the whole automobile power test process are still not solved.
Disclosure of Invention
In order to solve the problems, the invention provides an automobile power simulation test system and a test method based on dynamic load, which can solve the following problems in the existing automobile dynamic overall power simulation test: and a, simulating the angle of climbing operation, wherein the angle cannot be controlled, test data of automobile climbing power is influenced, and the test vehicle is easy to overturn and even scrap due to no effective prevention for possible sudden conditions during climbing operation. b. The traction power test of the automobile in climbing cannot control the traction force according to actual conditions, the accuracy of the traction force test of the automobile in different environments cannot be guaranteed, and the intelligent stable adjustment function of the whole automobile power simulation test can be realized.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides an automobile power simulation test system based on dynamic load, includes that the test bears the frame, and the inside that the test bore the frame is provided with slope adjustment mechanism, and the rear end that the test bore the frame is provided with drive mechanism.
The front end of the test bearing frame is a vehicle inlet, the left side and the right side of the test bearing frame are symmetrically provided with locking cavities, the side wall of the test bearing frame is provided with positioning holes, the inner wall of each locking cavity is uniformly provided with locking holes, and the rear wall of the test bearing frame is provided with a traction hole.
Slope adjustment mechanism includes and bears the test operation frame on the frame through the round pin axle setting in the test, be provided with between the lower extreme of test operation frame and the test bears the frame and adjust the execution branch chain, the upper end of test operation frame evenly is provided with protection buffering branch chain from the past backward, the left and right sides symmetry of test operation frame is provided with the locking branch chain, the locking branch chain passes through the sliding fit mode and links to each other with the locking chamber, it can the accurate control test operation frame carry out angle modulation to adjust the execution branch chain, the stability of test operation frame at appointed slope can be guaranteed to the locking branch chain, protection buffering branch chain can carry out effectual protection to proruption accident.
Protection buffering branch chain is including installing the protection adjustment cylinder on the test operation frame, the top of protection adjustment cylinder is installed on protection bearing frame, be provided with the protection spring beam on the lateral wall of protection bearing frame, install the protection working plate on the protection spring beam, the protection working plate passes through the sliding fit mode and links to each other with the upper end of protection bearing frame, be provided with the protection sliding tray on the protection bearing frame, be provided with the protection carriage through the sliding fit mode in the protection sliding tray, be provided with the buffering arc piece through the buffering spring beam on the lateral wall of protection carriage, the symmetry is provided with and slows down the component between the left and right sides of protection carriage and the protection bearing frame.
Preferably, the traction mechanism comprises a traction support frame arranged on the rear wall of the test bearing frame, traction branched chains are arranged on the traction support frame at equal intervals from left to back, a traction operation pipe is arranged on the test bearing frame, the lower end of the traction operation pipe penetrates through a traction hole, and the traction branched chains are connected to a traction rope through the traction operation pipe.
Preferably, the adjusting and executing branch chain comprises an adjusting and executing rod connected between the test operation frame and the test bearing frame through a pin shaft, the test bearing frame is provided with an executing and adjusting motor through a motor base, the output shaft of the executing and adjusting motor is connected with one end of an executing lead screw through a coupler, the other end of the executing lead screw is fixed on the test bearing frame through a bearing, an executing sliding frame is arranged on the executing lead screw, the executing sliding frame is connected on the test bearing frame through a sliding fit mode, an executing sliding roller is arranged on the executing sliding frame through the bearing, and the upper end of the executing sliding roller is abutted against the adjusting and executing rod.
Preferably, the retarding component comprises a protective linkage rod arranged on the side wall of the protective sliding frame through a pin shaft, the protective linkage rod is arranged on the protective retarding frame through the pin shaft, the protective retarding frame is arranged on the retarding spring rod, and the retarding spring rod is arranged on the protective bearing frame.
Preferably, pull the branch chain and include that the mode sets up the traction block on pulling the support frame through sliding fit, pull the upper end of support frame and be provided with the guide roll side by side, the rear end of pulling the support frame is provided with the spacing groove, and spacing inslot is provided with spacing, spacing and pull and be provided with spacing cylinder between the support frame, be provided with the spring rope on the traction block, the spring rope passes the guide roll, pulls the operation union coupling on pulling the rope.
Preferably, the locking branch chain is including installing the locking pipe on the test operation frame, and the locking pipe is connected in the locking intracavity through sliding fit, and the symmetry is provided with the fixed orifices on the lateral wall of locking pipe, is provided with fixed branch chain in the fixed orifices, installs the locking cylinder on the inner wall of locking pipe, and the flange mounting is passed through on the locking operation piece in the top of locking cylinder, and the symmetry is provided with the reference column on the locking operation piece, and the motion of mutually supporting between reference column and the locating hole.
Preferably, the fixed branch chain is arranged on a fixed rod in the fixed hole in a sliding fit mode, a fixed spring is arranged between the fixed rod and the inner wall of the locking pipe, the fixed rod abuts against the locking operation block, and the fixed rod and the locking hole are matched with each other to move.
Preferably, the locking operation block is of a T-shaped structure, and the middle part of the locking operation block is of a round platform-shaped structure with the diameter gradually reduced from bottom to top.
In addition, the invention also provides a test method of the automobile dynamic simulation test system based on the dynamic load, which mainly comprises the following steps:
the first step of preparation operation is to move the automobile to be tested to the rear position of the test operation frame and fixedly connect the traction rope with the automobile.
And secondly, adjusting the angle, controlling an execution sliding frame on an execution lead screw to move by an execution adjusting motor so as to extrude an adjustment executing rod through an execution sliding roller, and controlling the test operation frame to adjust the angle by the adjustment executing rod in the movement process.
And thirdly, fixing the position, controlling the locking operation block to contract by the locking cylinder to drive the positioning column to be inserted into the positioning hole, and extruding the fixing rod into the locking hole to perform double fixing operation while the locking operation block moves.
And fourthly, testing operation is carried out, the limiting cylinder controls the limiting frame to carry out angle adjustment, the limiting frame controls the traction block to slide and fix in two states, so that proper traction force is selected for testing, and the numerical value of traction force is recorded by observing the stretching state of the spring rope.
And fifthly, emergency protection, wherein when the automobile cannot be emergently braked due to an accident condition in the gradient test process, the protection adjusting cylinder controls the protection bearing frame to move upwards, the buffer spring rod and the buffer arc-shaped block are matched with each other to buffer the automobile in one level, and the protection sliding frame is squeezed by the protection linkage rod to slow down the spring rod to buffer in the second level in the motion.
The invention has the beneficial effects that:
1. the invention can solve the following problems in the prior automobile dynamic integral power simulation test: and a, simulating the angle of climbing operation, wherein the angle cannot be controlled, test data of automobile climbing power is influenced, and the test vehicle is easy to overturn and even scrap due to no effective prevention for possible sudden conditions during climbing operation. b. The traction power test of the automobile in climbing cannot control the traction force according to actual conditions, the accuracy of the traction force test of the automobile in different environments cannot be guaranteed, and the intelligent stable adjustment function of the whole automobile power simulation test can be realized.
2. According to the invention, the angle adjustment of the test operation frame can be accurately controlled by the adjusting execution branched chain, the stability of the test operation frame at the appointed inclined gradient can be ensured by the locking branched chain, and the protection buffering branched chain can effectively protect sudden accidents.
3. The traction mechanism controls the limiting frame to adjust the angle through the limiting cylinder, and the limiting frame controls the traction block to slide and fix in two states, so that proper traction force is selected for testing, the traction force in different conditions can be simulated, and the accuracy of traction force tests of the automobile in different environments is guaranteed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of a first structure of the present invention.
Fig. 2 is a cross-sectional view of the test carrier and grade adjustment mechanism of the present invention.
Fig. 3 is an enlarged view of the invention in section I of fig. 2.
Fig. 4 is a partial structural sectional view of the protective bumper branch of the present invention.
FIG. 5 is a schematic structural diagram of the test carriage, the test operation frame and the locking branch chain according to the present invention.
Fig. 6 is a schematic view of the arrangement between the test carriage and the draft mechanism of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, an automobile dynamic simulation test system based on dynamic load comprises a test carrier 1, a gradient adjusting mechanism 2 is arranged inside the test carrier 1, and a traction mechanism 3 is arranged at the rear end of the test carrier 1.
The front end of the test bearing frame 1 is a vehicle inlet, the left side and the right side of the test bearing frame 1 are symmetrically provided with locking cavities, the side wall of the test bearing frame 1 is provided with positioning holes, the inner wall of each locking cavity is uniformly provided with locking holes, and the rear wall of the test bearing frame 1 is provided with a traction hole.
The gradient adjusting mechanism 2 comprises a test operation frame 21 arranged on the test bearing frame 1 through a pin shaft, an adjusting execution branched chain 22 is arranged between the lower end of the test operation frame 21 and the test bearing frame 1, a protection buffering branched chain 23 is uniformly arranged at the upper end of the test operation frame 21 from the front to the back, locking branched chains 24 are symmetrically arranged on the left side and the right side of the test operation frame 21, and the locking branched chains 24 are connected with a locking cavity in a sliding fit mode.
The protection buffering branched chain 23 is including installing the protection adjust cylinder 231 on test operation frame 21, the top of protection adjust cylinder 231 is installed on protection bearing frame 232, be provided with protection spring beam 233 on the lateral wall of protection bearing frame 232, install protection working plate 234 on the protection spring beam 233, protection working plate 234 links to each other with the upper end of protection bearing frame 232 through sliding fit mode, be provided with the protection sliding tray on the protection bearing frame 232, be provided with the protection carriage 235 through sliding fit mode in the protection sliding tray, be provided with buffering arc piece 237 through buffering spring beam 236 on the lateral wall of protection carriage 235, the symmetry is provided with between the left and right sides of protection carriage 235 and the protection bearing frame 232 and slows down the component 238.
The traction mechanism 3 comprises a traction support frame 31 arranged on the rear wall of the test bearing frame 1, traction branched chains 32 are arranged on the traction support frame 31 at equal intervals from left to back, a traction operation pipe 33 is arranged on the test bearing frame 1, the lower end of the traction operation pipe 33 penetrates through a traction hole, and the traction branched chains 32 are connected to a traction rope 34 through the traction operation pipe 33.
The adjusting execution branched chain 22 comprises an adjusting execution rod 221 connected between the test operation frame 21 and the test bearing frame 1 through a pin shaft, an execution adjusting motor 222 is installed on the test bearing frame 1 through a motor base, an output shaft of the execution adjusting motor 222 is connected with one end of an execution lead screw 223 through a coupler, the other end of the execution lead screw 223 is fixed on the test bearing frame 1 through a bearing, an execution sliding frame 224 is arranged on the execution lead screw 223, the execution sliding frame 224 is connected on the test bearing frame 1 in a sliding fit mode, an execution sliding roller 225 is arranged on the execution sliding frame 224 through a bearing, and the upper end of the execution sliding roller 225 abuts against the adjusting execution rod 221.
The retarding component 238 comprises a protective linkage bar 2381 arranged on the side wall of the protective sliding frame 235 through a pin shaft, the protective linkage bar 2381 is arranged on a protective retarding frame 2382 through a pin shaft, the protective retarding frame 2382 is arranged on a retarding spring bar 2383, and the retarding spring bar 2383 is arranged on a protective bearing frame 232.
The traction branched chain 32 comprises a traction block 321 arranged on the traction support frame 31 in a sliding fit mode, guide rollers 322 are arranged at the upper end of the traction support frame 31 side by side, a limiting groove is formed in the rear end of the traction support frame 31, a limiting frame 323 is arranged in the limiting groove, a limiting cylinder 324 is arranged between the limiting frame 323 and the traction support frame 31, a spring rope 325 is arranged on the traction block 321, and the spring rope 325 penetrates through the guide rollers 322 and the traction operation pipe 33 to be connected onto the traction rope 34.
The locking branched chain 24 comprises a locking pipe 241 arranged on the test operation frame 21, the locking pipe 241 is connected in a locking cavity in a sliding fit mode, fixing holes are symmetrically formed in the side wall of the locking pipe 241, a fixing branched chain 242 is arranged in each fixing hole, a locking cylinder 243 is arranged on the inner wall of the locking pipe 241, the top end of the locking cylinder 243 is arranged on a locking operation block 244 through a flange, positioning columns 245 are symmetrically arranged on the locking operation block 244, and the positioning columns 245 and the positioning holes are matched with each other to move.
The fixing branched chain 242 is arranged on a fixing rod 2421 in a fixing hole in a sliding fit mode, a fixing spring 2422 is arranged between the fixing rod 2421 and the inner wall of the locking pipe 241, the fixing rod 2421 abuts against the locking operation block 244, and the fixing rod 2421 and the locking hole are matched with each other to move.
The locking operation block 244 is of a T-shaped structure, and the middle part of the locking operation block 244 is of a circular truncated cone-shaped structure with the diameter decreasing from bottom to top in sequence.
In addition, the invention also provides a test method of the automobile dynamic simulation test system based on the dynamic load, which mainly comprises the following steps:
the first step of preparation operation, namely moving the automobile to be tested to the rear position of the test operation frame 21, and fixedly connecting the traction rope 34 with the automobile;
a second step of adjusting the angle, wherein the executing adjusting motor 222 controls the executing sliding frame 224 on the executing lead screw 223 to move so as to press the adjusting executing rod 221 through the executing sliding roller 225, and the adjusting executing rod 221 controls the test operation frame 21 to adjust the angle during the movement process;
thirdly, fixing the position, controlling the locking operation block 244 to contract by the locking cylinder 243 to drive the positioning column 245 to be inserted into the positioning hole, and extruding the fixing rod 2421 into the locking hole to perform double fixing operation while the locking operation block 244 moves;
fourthly, testing operation is carried out, the limiting cylinder 324 controls the limiting frame 323 to adjust the angle, the limiting frame 323 controls the traction block 321 to slide and fix in two states, so that proper traction force is selected for testing, and the numerical value of the traction force is recorded by observing the stretching state of the spring rope 325;
and fifthly, emergency protection, wherein when the automobile cannot be braked emergently due to an accident condition in the gradient test process, the protection bearing frame 232 is controlled to move upwards by the protection adjusting cylinder 231, the buffer spring rod 236 and the buffer arc block 237 are matched with each other to buffer the automobile at one level, and the protection sliding frame 235 extrudes the buffer spring rod 2383 through the protection linkage rod 2381 to buffer the automobile at the second level.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an automobile dynamic simulation test system based on dynamic load, includes test bearing frame (1), its characterized in that: a gradient adjusting mechanism (2) is arranged in the test bearing frame (1), and a traction mechanism (3) is arranged at the rear end of the test bearing frame (1);
the front end of the test bearing frame (1) is a vehicle inlet, the left side and the right side of the test bearing frame (1) are symmetrically provided with locking cavities, the side wall of the test bearing frame (1) is provided with positioning holes, the inner wall of each locking cavity is uniformly provided with locking holes, and the rear wall of the test bearing frame (1) is provided with a traction hole;
the gradient adjusting mechanism (2) comprises a test operation frame (21) arranged on the test bearing frame (1) through a pin shaft, an adjusting execution branched chain (22) is arranged between the lower end of the test operation frame (21) and the test bearing frame (1), a protection buffering branched chain (23) is uniformly arranged at the upper end of the test operation frame (21) from front to back, locking branched chains (24) are symmetrically arranged at the left side and the right side of the test operation frame (21), and the locking branched chains (24) are connected with a locking cavity in a sliding fit manner;
the protection buffer branched chain (23) comprises a protection adjusting cylinder (231) arranged on the test operation frame (21), the top end of the protection adjusting cylinder (231) is arranged on a protection bearing frame (232), a protection spring rod (233) is arranged on the side wall of the protection bearing frame (232), a protection working plate (234) is arranged on the protection spring rod (233), the protection working plate (234) is connected with the upper end of the protection bearing frame (232) in a sliding fit mode, a protection sliding groove is arranged on the protection bearing frame (232), a protection sliding frame (235) is arranged in the protection sliding groove in a sliding fit mode, buffer arc-shaped blocks (237) are arranged on the side wall of the protection sliding frame (235) through the buffer spring rods (236), and retarding members (238) are symmetrically arranged between the left side and the right side of the protection sliding frame (235) and the protection bearing frame (232);
the traction mechanism (3) comprises a traction support frame (31) arranged on the rear wall of the test bearing frame (1), traction branch chains (32) are arranged on the traction support frame (31) at equal intervals from left to back, a traction operation pipe (33) is arranged on the test bearing frame (1), the lower end of the traction operation pipe (33) penetrates through a traction hole, and the traction branch chains (32) are connected to a traction rope (34) through the traction operation pipe (33).
2. The dynamic load-based automobile dynamic simulation test system according to claim 1, wherein: the adjusting and executing branch chain (22) comprises an adjusting and executing rod (221) connected between the testing operation frame (21) and the testing bearing frame (1) through a pin shaft, an executing and adjusting motor (222) is installed on the testing bearing frame (1) through a motor base, an output shaft of the executing and adjusting motor (222) is connected with one end of an executing lead screw (223) through a coupler, the other end of the executing lead screw (223) is fixed on the testing bearing frame (1) through a bearing, an executing sliding frame (224) is arranged on the executing lead screw (223), the executing sliding frame (224) is connected on the testing bearing frame (1) in a sliding fit mode, an executing sliding roller (225) is arranged on the executing sliding frame (224) through a bearing, and the upper end of the executing sliding roller (225) abuts against the adjusting and executing rod.
3. The dynamic load-based automobile dynamic simulation test system according to claim 2, wherein: the damping component (238) comprises a protection linkage rod (2381) arranged on the side wall of the protection sliding frame (235) through a pin shaft, the protection linkage rod (2381) is installed on the protection damping frame (2382) through the pin shaft, the protection damping frame (2382) is installed on the damping spring rod (2383), and the damping spring rod (2383) is installed on the protection bearing frame (232).
4. The dynamic load-based automobile dynamic simulation test system according to claim 3, wherein: the traction branch chain (32) comprises a traction block (321) arranged on a traction support frame (31) in a sliding fit mode, guide rollers (322) are arranged at the upper end of the traction support frame (31) side by side, a limiting groove is formed in the rear end of the traction support frame (31), a limiting frame (323) is arranged in the limiting groove, a limiting cylinder (324) is arranged between the limiting frame (323) and the traction support frame (31), a spring rope (325) is arranged on the traction block (321), the spring rope (325) penetrates through the guide rollers (322), and a traction operation pipe (33) is connected to a traction rope (34).
5. The dynamic load-based automobile dynamic simulation test system according to claim 4, wherein: locking branch chain (24) are including installing locking pipe (241) on test operation frame (21), locking pipe (241) are connected in the locking intracavity through sliding fit mode, the symmetry is provided with the fixed orifices on the lateral wall of locking pipe (241), be provided with fixed branch chain (242) in the fixed orifices, install locking cylinder (243) on the inner wall of locking pipe (241), the top of locking cylinder (243) is passed through the flange and is installed on locking operation piece (244), the symmetry is provided with reference column (245) on locking operation piece (244), the motion of mutually supporting between reference column (245) and the locating hole.
6. The dynamic load-based automobile dynamic simulation test system according to claim 5, wherein: the fixing branched chain (242) is arranged on a fixing rod (2421) in the fixing hole in a sliding fit mode, a fixing spring (2422) is arranged between the fixing rod (2421) and the inner wall of the locking pipe (241), the fixing rod (2421) abuts against the locking operation block (244), and the fixing rod (2421) and the locking hole are matched with each other to move.
7. The dynamic load-based automobile dynamic simulation test system according to claim 5, wherein: the locking operation block (244) is of a T-shaped structure, and the middle part of the locking operation block (244) is of a circular truncated cone-shaped structure with the diameter gradually reduced from bottom to top.
8. The test method of the dynamic load-based automobile dynamic simulation test system according to claim 6, characterized in that: the method mainly comprises the following steps:
the method comprises the following steps of firstly, preparing operation, namely moving an automobile to be tested to the rear position of a test operation frame (21), and fixedly connecting a traction rope (34) with the automobile;
a second step of adjusting the angle, wherein an execution adjusting motor (222) controls an execution sliding frame (224) on an execution lead screw (223) to move so as to extrude an adjustment executing rod (221) through an execution sliding roller (225), and the adjustment executing rod (221) controls a test operation frame (21) to adjust the angle in the movement process;
thirdly, fixing the position, controlling the locking operation block (244) to contract by the locking cylinder (243) to drive the positioning column (245) to be inserted into the positioning hole, and extruding the fixing rod (2421) into the locking hole to perform double fixing operation while the locking operation block (244) moves;
fourthly, testing operation is carried out, the limiting cylinder (324) controls the limiting frame (323) to adjust the angle, the limiting frame (323) controls the traction block (321) to slide and fix in two states, so that proper traction force is selected for testing, and the numerical value of the traction tension is recorded by observing the stretching state of the spring rope (325);
and fifthly, emergency protection, wherein when the automobile cannot be braked emergently due to an accident condition in the gradient test process, the protection bearing frame (232) is controlled to move upwards by the protection adjusting cylinder (231), the buffer spring rod (236) and the buffer arc-shaped block (237) are matched with each other to buffer the automobile at one level, and the protection sliding frame (235) extrudes the buffer spring rod (2383) through the protection linkage rod (2381) to buffer the automobile at the second level.
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| CN110596609A (en) * | 2019-10-16 | 2019-12-20 | 上海钧正网络科技有限公司 | Battery test system |
| CN111780992B (en) * | 2020-07-16 | 2022-11-18 | 北京清大宏源环保科技有限公司 | Automobile dynamic performance simulation test system and method based on dynamic load |
| 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 |
| CN114354164B (en) * | 2021-12-30 | 2023-12-12 | 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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| DE102004046912A1 (en) * | 2004-09-28 | 2006-03-30 | Daimlerchrysler Ag | Method for simulating the lifetime of a means of transport |
| KR101112166B1 (en) * | 2009-10-16 | 2012-06-13 | 한국과학기술원 | Gradability test apparatus of electric vehicle and gradability test method thereof |
| CN203519346U (en) * | 2013-11-06 | 2014-04-02 | 张金磊 | Blade electric vehicle power assembly test bench |
| CN203772550U (en) * | 2014-03-06 | 2014-08-13 | 深圳市三源色文化传播有限公司 | Gradient adjustable pavement simulation device |
| CN204302004U (en) * | 2014-09-23 | 2015-04-29 | 深圳市卡司通展览股份有限公司 | Automobile climb and fall aptitude tests exhibiting device |
| CN107153007B (en) * | 2017-06-20 | 2019-08-02 | 江苏科技大学 | A kind of sitting type grass trimmer tumbling test platform and test method |
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