CN112903315A - New energy automobile chassis load testing arrangement - Google Patents
New energy automobile chassis load testing arrangement Download PDFInfo
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- CN112903315A CN112903315A CN202110394234.9A CN202110394234A CN112903315A CN 112903315 A CN112903315 A CN 112903315A CN 202110394234 A CN202110394234 A CN 202110394234A CN 112903315 A CN112903315 A CN 112903315A
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- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 94
- 238000004088 simulation Methods 0.000 claims abstract description 59
- 238000013016 damping Methods 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
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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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Abstract
The invention discloses a new energy automobile chassis load testing device, and belongs to the technical field of load testing devices; a new energy automobile chassis load testing device comprises a fixed base, a supporting rod and a fixed frame, wherein a road surface simulation mechanism is installed inside the fixed base, a running simulation mechanism is installed on the road surface simulation mechanism, a bearing mechanism is connected to the running simulation mechanism, and an automobile chassis to be tested is placed on the bearing mechanism; the supporting rods are fixedly connected to four corners of the fixed base, the fixed frame is fixedly connected to the top ends of the supporting rods, the inner side wall of the fixed frame is fixedly provided with a driving guide rail, and the driving guide rail is connected with a pressing mechanism; the invention effectively solves the problems that the existing design operation is more complicated, the road surface condition and form state cannot be simulated, and the test result is not accurate enough.
Description
Technical Field
The invention relates to the technical field of load testing devices, in particular to a new energy automobile chassis load testing device.
Background
The new energy automobile adopts a single storage battery as an energy storage power source, and the new energy automobile utilizes the storage battery as the energy storage power source, provides electric energy for a motor through the battery, drives the motor to run and further pushes the automobile to run; the chassis is used for supporting and mounting an automobile engine and all parts and assemblies thereof, forming the integral shape of the automobile and receiving the power of the engine to enable the automobile to move and ensure normal running; the load capacity of the automobile chassis is of great importance, the load capacity of the chassis is of great importance both in terms of the safety performance of the automobile and in terms of the running stability of the automobile, and particularly for new energy automobiles, storage batteries for energy supply are generally mounted on the automobile chassis, so that the chassis load capacity of the new energy automobile is of great importance.
In order to better ensure the loading capacity of the new energy automobile chassis, when the automobile is designed and produced, the new energy automobile needs to be subjected to chassis load test, so that the new energy automobile chassis load test device can be produced at the same time; however, the existing chassis load testing device on the market is often relatively loaded in structure and inconvenient to operate, the existing design can only simply detect the bearing and pressure resistance capacity of the chassis, and the road surface condition and the form state cannot be simulated, so that the testing result is limited, and the load capacity of the automobile chassis cannot be truly reflected.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to provide a new energy automobile chassis load testing device to solve the problems in the background technology:
the existing design operation is complex, the road surface condition and the form state cannot be simulated, and the test result is not accurate enough.
2. Technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a new energy automobile chassis load testing device comprises a fixed base, a supporting rod and a fixed frame, wherein a road surface simulation mechanism is installed inside the fixed base, a running simulation mechanism is installed on the road surface simulation mechanism, a bearing mechanism is connected to the running simulation mechanism, and an automobile chassis to be tested is placed on the bearing mechanism; the supporting rod is fixedly connected to four corners of the fixed base, the fixing frame is fixedly connected to the top end of the supporting rod, a driving guide rail is fixedly mounted on the inner side wall of the fixing frame, and a pressing mechanism is connected to the driving guide rail.
Preferably, the road surface simulation mechanism is including installation crossbearer and biax servo motor, installation crossbearer fixed connection is on unable adjustment base, biax servo motor fixed mounting is in the intermediate position of installation crossbearer, fixedly connected with connecting axle on the output shaft at biax servo motor both ends, the first belt pulley of biax servo motor one end fixedly connected with is kept away from to the connecting axle.
Preferably, the road surface simulation mechanism further comprises a driving roller and a driven roller, wherein the number of the driving roller and the number of the driven roller are 2, the driving roller and the driven roller are respectively rotatably arranged at two ends of the fixed base, and smooth roller surfaces, groove roller surfaces and protruding roller surfaces are respectively arranged on the driving roller and the driven roller; two ends of the two driving rollers are also fixedly connected with second belt pulley discs, and a linkage belt is connected between the first belt pulley and the two second belt pulley discs in a surrounding manner; and cavities are arranged in the driving roller and the driven roller, and pressure stress sensors are arranged on the inner walls of the cavities.
Preferably, the bearing mechanism comprises a bearing plate, the two ends of the bearing plate are respectively and fixedly connected with a split type mounting frame and an integrated type mounting frame, a bearing block is fixedly connected to each of the split type mounting frame and the integrated type mounting frame, a lower pressure tester is fixedly mounted on each bearing block, a multipoint displacement telescopic measuring rod is fixedly mounted on each bearing plate, and a pressure sensor is fixedly connected to the top end of the multipoint displacement telescopic measuring rod.
Preferably, the driving simulation mechanism comprises a ball movable block, a first through groove is formed in the split type mounting frame and the integrated type mounting frame, the ball movable block is connected to the first through groove in a sliding mode, a lead screw is connected to the ball movable block in a screwed mode, the lead screw is connected to the split type mounting frame and the integrated type mounting frame in a rotating mode, a first stepping motor is fixedly mounted on one end of the outer side of the split type mounting frame and the integrated type mounting frame, and an output shaft of the first stepping motor is fixedly connected with the lead screw.
Preferably, a connecting frame is fixedly connected to the bottom of the ball movable block, a second through groove is formed in the connecting frame, a damping spring and an i-shaped sliding block are arranged in the second through groove, the top end of the damping spring is fixedly connected to the inner top surface of the second through groove, the bottom end of the damping spring is fixedly connected to the top surface of the i-shaped sliding block, the i-shaped sliding block is slidably connected to the second through groove, a fixing shaft is fixedly connected to the side wall of the i-shaped sliding block, one end, away from the i-shaped sliding block, of the fixing shaft is rotatably connected to a mounting disc, and a wheel is fixedly mounted on the mounting disc through a connecting bolt.
Preferably, the pressure applying mechanism comprises a connecting rod, the connecting rod is slidably mounted inside the driving guide rail, an installation block is fixedly connected to the connecting rod, a first connecting lug is fixedly connected to the bottom surface of the installation block, a first connecting rod is rotatably connected to the first connecting lug, a second connecting rod is rotatably connected to one end of the first connecting rod, which is far away from the first connecting lug, the tail end of the second connecting rod is rotatably connected to a second connecting lug, and a squeezing plate is fixedly connected to the bottom end of the second connecting lug; the utility model discloses a quick-witted, including first connecting rod and second connecting rod, the equal fixed mounting in two junctions of first connecting rod and second connecting rod has the connecting block, fixed mounting has second step motor on the connecting block, fixedly connected with threaded rod on the output shaft of second step motor, the threaded rod is close to second step motor one end and is rotated with the connecting block and be connected, second step motor one end screwed connection is kept away from to the threaded rod on the connecting block.
3. Advantageous effects
(1) The invention is provided with a road surface simulation mechanism on a fixed base, the mechanism is matched with a driving simulation mechanism, when in use, a first belt pulley at two ends is driven to rotate by a double-shaft servo motor, the first belt pulley drives a second belt pulley to realize linkage by a linkage belt, the second belt pulley is fixedly connected with two ends of a driving roller, and further can drive the driving roller to rotate, the driving simulation mechanism is arranged on the driving roller and a driven roller, thereby being capable of driving a form simulation mechanism to work, smooth roller surfaces, groove roller surfaces and protruding roller surfaces are arranged at two sides of the outer walls of the driving roller and the driven roller, when in use, a user can customize the roller surfaces according to requirements, thereby conveniently and rapidly simulating various road surface conditions, further better ensuring the accuracy of data of chassis load test work, and simultaneously, cavities are arranged at the inner walls of the driving roller and the driven roller, the pressure stress sensor is fixedly arranged on the inner wall of the cavity, so that the pressure on the roller surface when the pavement simulation mechanism and the form simulation mechanism work can be accurately detected, and the pressure data on the pavement in the chassis load test process can be approximately obtained; in addition, the multi-point displacement telescopic measuring rod is uniformly and fixedly arranged on the bearing mechanism of the device body, by means of the design, the deformation condition of the automobile chassis to be tested in the process of carrying out load testing and the pressure born by each part can be accurately measured, the further judgment of the load capacity of the chassis is facilitated, and the lower pressure tester arranged on the bearing block can record the pressure data received by the wheel mounting position accurately when the chassis carries out load testing.
(2) The running simulation mechanism of the invention is matched with the road surface simulation mechanism, when the road surface simulation mechanism works, the wheels can be driven to rotate by the friction force between the driving roller and the wheels, the wheels are connected with the I-shaped sliding block through the mounting disc and the fixing shaft, the I-shaped sliding block is connected in the second through groove in a sliding manner, meanwhile, a damping spring is fixedly arranged between the I-shaped sliding block and the second penetrating groove and can be used for simulating a shock absorption system of an automobile, before the test process, a first stepping motor of the driving simulation mechanism is started, the screw rod is driven to rotate by the first stepping motor, when the screw rod rotates, the ball movable block which is spirally connected on the screw rod can be driven to horizontally move in the first through groove, the wheels are driven to move to the required simulation roller surface, then starting a pressure applying mechanism above to apply pressure to the automobile chassis to be tested, simulating a load, and recording the load condition of the chassis in a static state; then, the double-shaft servo motor is started to drive the driving roller to rotate, so that the wheels are driven to rotate on the corresponding simulation roller surface, the driving state of the automobile is simulated, and the load condition of the chassis under the dynamic condition is recorded.
(3) The pressing mechanism is slidably arranged on the driving guide rail of the fixing frame, when the device is used, the position of the pressing mechanism can be moved according to the test requirement, and meanwhile, one or more pressing mechanisms can be arranged on the driving guide rail according to the requirement to simulate the load test of the chassis under the states of single-point pressing and multi-point pressing; when the pressure applying mechanism works, the second stepping motor is started, the threaded rod is driven to rotate by the second stepping motor, one end of the threaded rod, far away from the second stepping motor, is in threaded connection with the connecting block at the joint of the first connecting rod and the second connecting rod, so that the threaded rod can drive the connecting block to horizontally move towards the direction close to or far away from the second stepping motor when rotating, when the connecting block is close to, due to the action of the threaded rod, the angle between the first connecting rod and the second connecting rod is enlarged, the extrusion plate at the bottom moves downwards to apply pressure to the automobile chassis to be tested below, meanwhile, pressure data and deformation degree of each part of the chassis are recorded by the lower pressure tester and the multipoint displacement telescopic measuring rod, meanwhile, pressure of wheels on the roller surface is further measured by the pressure stress sensors in the driving roller and the driven roller, and in the further simulation test process, the pressure of the road surface.
In conclusion, the load testing device can complete the load testing work of the new energy automobile chassis more conveniently and rapidly through the matching work among the road surface simulation mechanism, the driving simulation mechanism, the bearing mechanism and the pressing mechanism, and effectively solves the problems that the existing design operation is more complicated, the road surface condition and the form state cannot be simulated, and the testing result is not accurate enough.
Drawings
Fig. 1 is a schematic structural diagram of a new energy vehicle chassis load testing device provided by the invention;
fig. 2 is an exploded structural schematic diagram of a new energy vehicle chassis load testing device provided by the invention;
fig. 3 is a schematic structural diagram of a road surface simulation mechanism of a new energy automobile chassis load testing device provided by the invention;
fig. 4 is a schematic structural diagram of a bearing mechanism of a new energy vehicle chassis load testing device provided by the invention;
fig. 5 is a schematic structural diagram of a running simulation mechanism of a new energy vehicle chassis load testing device provided by the invention;
fig. 6 is a schematic structural diagram of a pressing mechanism of the new energy vehicle chassis load testing device provided by the invention.
The reference numbers in the figures illustrate:
1. a fixed base; 2. a road surface simulation mechanism; 201. mounting a transverse frame; 202. a double-shaft servo motor; 203. a connecting shaft; 204. a first belt pulley; 205. a drive roll; 206. a driven roller; 207. smoothing the surface of the roller; 208. a grooved roll surface; 209. projecting the roller surface; 210. a second belt reel; 211. a linkage belt; 3. a carrying mechanism; 301. a carrier plate; 302. a split type mounting rack; 303. an integral mounting bracket; 304. a bearing block; 305. a lower pressure tester; 306. a multipoint displacement telescopic measuring rod; 4. a running simulation mechanism; 401. a ball bearing movable block; 402. a lead screw; 403. a first stepper motor; 404. a connecting frame; 405. a damping spring; 406. an I-shaped slide block; 407. mounting a disc; 408. a wheel; 5. an automobile chassis to be tested; 6. a support bar; 7. a fixed mount; 8. a drive rail; 9. a pressure applying mechanism; 901. a connecting rod; 902. mounting blocks; 903. a first connecting lug; 904. a first link; 905. a second link; 906. a second engaging lug; 907. a pressing plate; 908. a threaded rod; 909. a second stepper motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-4, a new energy automobile chassis load testing device comprises a fixed base 1, a supporting rod 6 and a fixed frame 7, wherein a road surface simulation mechanism 2 is installed inside the fixed base 1, a running simulation mechanism 4 is installed on the road surface simulation mechanism 2, a bearing mechanism 3 is connected to the running simulation mechanism 4, and an automobile chassis 5 to be tested is placed on the bearing mechanism 3; bracing piece 6 fixed connection is on unable adjustment base 1's four corners, and mount 7 fixed connection is on the top of bracing piece 6, and fixed mounting has drive guide rail 8 on the inside wall of mount 7, is connected with on the drive guide rail 8 and applies pressure mechanism 9.
Road surface simulation mechanism 2 is including installation crossbearer 201 and biax servo motor 202, and installation crossbearer 201 fixed connection is on unable adjustment base 1, and biax servo motor 202 fixed mounting is in the intermediate position of installation crossbearer 201, fixedly connected with connecting axle 203 on the output shaft at biax servo motor 202 both ends, and connecting axle 203 keeps away from the first belt pulley 204 of biax servo motor 202 one end fixedly connected with.
The road surface simulation mechanism 2 further comprises a driving roller 205 and a driven roller 206, wherein 2 driving rollers 205 and 2 driven rollers 206 are respectively arranged and rotatably mounted at two ends of the fixed base 1, and smooth roller surfaces 207, groove roller surfaces 208 and protruding roller surfaces 209 are respectively arranged on the driving roller 205 and the driven roller 206; two ends of the two driving rollers 205 are also fixedly connected with second belt reels 210, and linkage belts 211 are connected between the first belt reel 204 and the two second belt reels 210 in a surrounding manner; the drive roller 205 and the driven roller 206 are provided with cavities inside, and pressure stress sensors are mounted on the inner walls of the cavities.
The invention installs the road surface simulation mechanism 2 on the fixed base 1, the mechanism is matched with the driving simulation mechanism 4, when in use, the first belt pulley 204 at both ends is driven to rotate by the double-shaft servo motor 202, and the first belt pulley 204 drives the second belt pulley 210 to realize linkage by the linkage belt 211, the second belt pulley 210 is fixedly connected with both ends of the driving roller 205, and then the driving roller 205 can be driven to rotate, the driving simulation mechanism 4 is installed on the driving roller 205 and the driven roller 206, thereby the form simulation mechanism can be driven to work, the smooth roller surface 207, the groove roller surface 208 and the protruding roller surface 209 are arranged at both sides of the outer wall of the driving roller 205 and the driven roller 206, in the use process, the user can customize the roller surface according to the requirement, thereby conveniently and rapidly simulate various road surface conditions, and further better ensure the accuracy of the data of the chassis load test work, meanwhile, cavities are arranged on the inner walls of the driving roller 205 and the driven roller 206, and pressure stress sensors are fixedly arranged on the inner walls of the cavities, so that the pressure on the roller surface when the road surface simulation mechanism 2 and the form simulation mechanism work can be accurately detected, and the pressure data on the road surface in the chassis load test process can be approximately obtained; in addition, the bearing mechanism 3 of the device body is uniformly and fixedly provided with the multi-point displacement telescopic measuring rod 306, by means of the design, the deformation condition of the automobile chassis 5 to be tested in the process of carrying out load test and the pressure born by each part can be accurately measured, the load capacity of the chassis can be further conveniently judged, and the lower pressure tester 305 arranged on the bearing block 304 can record the pressure data received by the mounting part of the wheel 408 when the chassis carries out load test.
Example 2:
referring to fig. 5, the difference between the two embodiments is that the driving simulation mechanism 4 includes a ball moving block 401, first through grooves are disposed on the split-type mounting frame 302 and the integrated-type mounting frame 303, the ball moving block 401 is slidably connected in the first through groove, a screw 402 is screwed on the ball moving block 401, the screw 402 is rotatably connected to the split-type mounting frame 302 and the integrated-type mounting frame 303, a first step motor 403 is fixedly mounted on the split-type mounting frame 302 and the integrated-type mounting frame 303 near one outer end, and an output shaft of the first step motor 403 is fixedly connected to the screw 402.
The bottom of the ball movable block 401 is fixedly connected with a connecting frame 404, a second through groove is formed in the connecting frame 404, a damping spring 405 and an I-shaped sliding block 406 are arranged in the second through groove, the top end of the damping spring 405 is fixedly connected to the inner top surface of the second through groove, the bottom end of the damping spring 405 is fixedly connected with the top surface of the I-shaped sliding block 406, the I-shaped sliding block 406 is slidably connected into the second through groove, a fixed shaft is fixedly connected to the side wall of the I-shaped sliding block 406, one end, far away from the I-shaped sliding block 406, of the fixed shaft is rotatably connected with a mounting disc 407, and wheels 408 are fixedly.
The driving simulation mechanism 4 of the invention is matched with the road surface simulation mechanism 2, when the road surface simulation mechanism 2 works, the wheel 408 can be driven to rotate by the friction force between the driving roller 205 and the wheel 408, the wheel 408 is connected with the I-shaped sliding block 406 by the mounting disc 407 and the fixed shaft, the I-shaped sliding block 406 is connected in the second through groove in a sliding way, meanwhile, the damping spring 405 is fixedly arranged between the I-shaped sliding block 406 and the second through groove, the driving simulation mechanism can be used for simulating the shock absorption system of the automobile, before the test process, the first stepping motor 403 of the driving simulation mechanism 4 is started, the lead screw 402 is driven to rotate by the first stepping motor, when the lead screw 402 rotates, the ball movable block 401 which is spirally connected on the lead screw 402 can be driven to horizontally move in the first through groove, the wheel 408 is driven to move to the required simulation roller surface, then the upper pressure application mechanism 9 is started to apply pressure to the automobile, simulating a load, and recording the load condition of the chassis in a static state; then, the double-shaft servo motor 202 is started again to drive the driving roller 205 to rotate, so as to drive the wheels 408 to rotate on the corresponding simulation roller surfaces, simulate the running state of the automobile, and record the load condition of the chassis under the dynamic condition.
Example 3:
referring to FIG. 6, based on the embodiment 1-2 but with the difference that,
the pressing mechanism 9 comprises a connecting rod 901, the connecting rod 901 is slidably mounted inside the driving guide rail 8, a mounting block 902 is fixedly connected to the connecting rod 901, a first connecting lug 903 is fixedly connected to the bottom surface of the mounting block 902, a first connecting rod 904 is rotatably connected to the first connecting lug 903, a second connecting rod 905 is rotatably connected to one end, away from the first connecting lug 903, of the first connecting rod 904, a second connecting lug 906 is rotatably connected to the tail end of the second connecting rod 905, and a pressing plate 907 is fixedly connected to the bottom end of the second connecting lug 906; the two joints of the first connecting rod 904 and the second connecting rod 905 are fixedly provided with connecting blocks, the second stepping motor 909 is fixedly arranged on the connecting blocks, the output shaft of the second stepping motor 909 is fixedly connected with a threaded rod 908, one end of the threaded rod 908 close to the second stepping motor 909 is rotatably connected with the connecting blocks, and one end of the threaded rod 908 far away from the second stepping motor 909 is spirally connected with the connecting blocks.
The pressing mechanism 9 is slidably arranged on the driving guide rail 8 of the fixing frame 7, when the device is used, the position of the pressing mechanism 9 can be moved according to the test requirement, and meanwhile, one or more pressing mechanisms 9 can be arranged on the driving guide rail 8 according to the requirement, so that the load test of the chassis under the states of single-point pressing and multi-point pressing is simulated; when the pressing mechanism 9 works, the second stepping motor 909 is started, the threaded rod 908 is driven to rotate by the second stepping motor 909, one end of the threaded rod 908 far away from the second stepping motor 909 is spirally connected with the connecting block at the joint of the first connecting rod 904 and the second connecting rod 905, so that the threaded rod 908 can drive the connecting block to horizontally move towards the direction close to or far away from the second stepping motor 909 when rotating, when the connecting block is close to, due to the action of the threaded rod 908, the angle between the first connecting rod 904 and the second connecting rod 905 is increased, the extrusion plate 907 at the bottom moves downwards to press the automobile chassis 5 to be tested below, meanwhile, pressure data and deformation degree of each part of the chassis are recorded by the lower pressure tester 305 and the multi-point displacement telescopic measuring rod 306, and meanwhile, the pressure of wheels on the roller surface is further measured by the pressure sensors in the driving roller 205 and the driven roller 206, and further simulating the condition of the pressure of the road surface in the test process. In conclusion, the load testing device can complete the new energy automobile chassis load testing work more conveniently and rapidly through the matching work among the road surface simulation mechanism 2, the driving simulation mechanism 4, the bearing mechanism 3 and the pressing mechanism 9, and effectively solves the problems that the existing design operation is more complicated, the road surface condition and the form state cannot be simulated, and the testing result is not accurate enough.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a new energy automobile chassis load testing arrangement, including unable adjustment base (1), bracing piece (6) and mount (7), its characterized in that: a road surface simulation mechanism (2) is installed inside the fixed base (1), a running simulation mechanism (4) is installed on the road surface simulation mechanism (2), a bearing mechanism (3) is connected to the running simulation mechanism (4), and an automobile chassis (5) to be tested is placed on the bearing mechanism (3); bracing piece (6) fixed connection is on the four corners of unable adjustment base (1), mount (7) fixed connection is on the top of bracing piece (6), fixed mounting has drive guide rail (8) on the inside wall of mount (7), be connected with on drive guide rail (8) and apply pressure mechanism (9).
2. The new energy automobile chassis load testing device according to claim 1, characterized in that: road surface simulation mechanism (2) are including installation crossbearer (201) and biax servo motor (202), installation crossbearer (201) fixed connection is on unable adjustment base (1), biax servo motor (202) fixed mounting is in the intermediate position of installation crossbearer (201), fixedly connected with connecting axle (203) on the output shaft at biax servo motor (202) both ends, first belt pulley (204) of biax servo motor (202) one end fixedly connected with are kept away from in connecting axle (203).
3. The new energy automobile chassis load testing device according to claim 2, characterized in that: the road surface simulation mechanism (2) further comprises a driving roller (205) and a driven roller (206), wherein 2 driving rollers (205) and 2 driven rollers (206) are respectively arranged and rotatably installed at two ends of the fixed base (1), and smooth roller surfaces (207), groove roller surfaces (208) and protruding roller surfaces (209) are respectively arranged on the driving roller (205) and the driven roller (206); two ends of the two driving rollers (205) are also fixedly connected with second belt reels (210), and linkage belts (211) are connected between the first belt reel (204) and the two second belt reels (210) in a surrounding manner; cavities are formed in the driving roller (205) and the driven roller (206), and pressure stress sensors are mounted on the inner walls of the cavities.
4. The new energy automobile chassis load testing device according to claim 1, characterized in that: bear mechanism (3) including loading board (301), the both ends difference fixedly connected with split type mounting bracket (302) and integral type mounting bracket (303) of loading board (301), equal fixedly connected with carrier block (304) on split type mounting bracket (302) and integral type mounting bracket (303), fixed mounting has down pressure tester (305) on carrier block (304), it has the flexible measuring stick of multiple spot displacement (306) to go back fixed mounting on loading board (301), the top fixedly connected with pressure sensor of the flexible measuring stick of multiple spot displacement (306).
5. The new energy automobile chassis load testing device according to claim 4, characterized in that: travel simulation mechanism (4) including ball movable block (401), all set up first through groove in addition on split type mounting bracket (302) and integral type mounting bracket (303), ball movable block (401) sliding connection is at first through inslot, threaded connection has lead screw (402) on ball movable block (401), lead screw (402) are still rotated and are connected on split type mounting bracket (302) and integral type mounting bracket (303), split type mounting bracket (302) and integral type mounting bracket (303) are leaned on outside one end fixed mounting to have first step motor (403), the output shaft and lead screw (402) fixed connection of first step motor (403).
6. The new energy automobile chassis load testing device according to claim 5, characterized in that: the bottom of the ball movable block (401) is fixedly connected with a connecting frame (404), a second through groove is formed in the connecting frame (404), a damping spring (405) and an I-shaped sliding block (406) are arranged in the second through groove, the top end of the damping spring (405) is fixedly connected to the inner top surface of the second through groove, the bottom end of the damping spring (405) is fixedly connected with the top surface of the I-shaped sliding block (406), the I-shaped sliding block (406) is slidably connected in the second through groove, a fixing shaft is fixedly connected to the side wall of the I-shaped sliding block (406), one end, far away from the I-shaped sliding block (406), of the fixing shaft is rotatably connected with a mounting disc (407), and a wheel (408) is fixedly mounted on the mounting disc (407) through a connecting bolt.
7. The new energy automobile chassis load testing device according to claim 1, characterized in that: the pressing mechanism (9) comprises a connecting rod (901), the connecting rod (901) is slidably mounted inside the driving guide rail (8), a mounting block (902) is fixedly connected onto the connecting rod (901), a first connecting lug (903) is fixedly connected onto the bottom surface of the mounting block (902), a first connecting rod (904) is rotatably connected onto the first connecting lug (903), one end, far away from the first connecting lug (903), of the first connecting rod (904) is rotatably connected with a second connecting rod (905), the tail end of the second connecting rod (905) is rotatably connected with a second connecting lug (906), and a pressing plate (907) is fixedly connected to the bottom end of the second connecting lug (906); the utility model discloses a quick-witted, including first connecting rod (904) and second connecting rod (905), the equal fixed mounting in two junctions of first connecting rod (904) and second connecting rod (905) has the connecting block, fixed mounting has second step motor (909) on the connecting block, fixedly connected with threaded rod (908) on the output shaft of second step motor (909), threaded rod (908) are close to second step motor (909) one end and are connected with the connecting block rotation, second step motor (909) one end screwed connection is kept away from in threaded rod (908) on the connecting block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110394234.9A CN112903315B (en) | 2021-04-13 | 2021-04-13 | New energy automobile chassis load testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110394234.9A CN112903315B (en) | 2021-04-13 | 2021-04-13 | New energy automobile chassis load testing arrangement |
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| CN112903315A true CN112903315A (en) | 2021-06-04 |
| CN112903315B CN112903315B (en) | 2022-06-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113687243A (en) * | 2021-07-26 | 2021-11-23 | 西华大学 | Vibration testing device of hydrogen storage fuel cell for new energy automobile |
| CN117347024A (en) * | 2023-10-09 | 2024-01-05 | 济南润成信德机械制造有限公司 | Heavy truck frame bearing capacity detection device |
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| CN113687243B (en) * | 2021-07-26 | 2022-10-04 | 深圳市荣测捷科技有限公司 | Vibration testing device of hydrogen storage fuel cell for new energy automobile |
| CN117347024A (en) * | 2023-10-09 | 2024-01-05 | 济南润成信德机械制造有限公司 | Heavy truck frame bearing capacity detection device |
| CN117347024B (en) * | 2023-10-09 | 2024-05-10 | 济南润成信德机械制造有限公司 | Heavy truck frame bearing capacity detection device |
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