CN118150194A - Semitrailer performance test platform - Google Patents
Semitrailer performance test platform Download PDFInfo
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- CN118150194A CN118150194A CN202410564403.2A CN202410564403A CN118150194A CN 118150194 A CN118150194 A CN 118150194A CN 202410564403 A CN202410564403 A CN 202410564403A CN 118150194 A CN118150194 A CN 118150194A
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- 238000011056 performance test Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000005012 migration Effects 0.000 claims abstract description 4
- 238000013508 migration Methods 0.000 claims abstract description 4
- 238000004088 simulation Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 abstract description 26
- 208000002925 dental caries Diseases 0.000 abstract 1
- 239000000725 suspension Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model provides a semitrailer performance test platform, which comprises a base, base top surface four corners fixed mounting support respectively, through connecting plate fixed connection between the top of support, two sets of load analog mechanism that bottom surface movable mounting of connecting plate can horizontal migration, two cavitys around base one side top surface is seted up, movable mounting vibration mechanism in the cavity, vibration mechanism also works simultaneously, test semitrailer jolt data under the load situation, through three kinds of tests, obtain more semitrailer performance data, guarantee the quality of semitrailer.
Description
Technical Field
The invention belongs to the technical field of vehicle testing, and particularly relates to a semitrailer performance testing platform.
Background
The traditional semitrailer does not use equipment to detect the performance of the semitrailer in production, when the technical problem occurs in the production process, the quality level of the product can be seriously influenced, and when the unqualified semitrailer enters the market, some after-sales problems easily occur, so that the after-sales frequency of a manufacturer can be increased, the maintenance cost of the manufacturer can be increased, the reputation of the manufacturer is directly influenced, and in order to ensure the quality of the semitrailer, the existing semitrailer needs to be subjected to comprehensive technical performance detection after being produced, and can be delivered after the detection is qualified.
And application number CN202310934041.7 discloses a semitrailer suspension performance testing device, including supporting platform, supporting platform's left end is provided with places the seat, and supporting platform's middle part is provided with positioning module, and positioning module's lower extreme is provided with test drive module, and test drive module shakes air spring spare.
The above-described prior art is to detach and test the components of the suspension mechanism individually, and does not consider the test of the suspension in the whole vehicle nor the test of the suspension in the loaded state, and based on this, there is room for improvement over the existing performance test technique.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a semitrailer performance test platform.
The application provides a semitrailer performance test platform which comprises a base, wherein four corners of the top surface of the base are respectively and fixedly provided with a bracket, the top ends of the brackets are fixedly connected through a connecting plate, the bottom surface of the connecting plate is movably provided with two groups of load simulation mechanisms capable of horizontally moving, the top surface of one side of the base is provided with a front cavity and a rear cavity, and a vibration mechanism is movably arranged in the cavities.
Specifically, two rectangular grooves are offered to the bottom surface of connecting plate, arrange around two rectangular grooves, movable mounting has the threaded rod of motor in every rectangular inslot, threaded rod goes up the screw thread cooperation and sets up the nut, the bottom and the load analog device of nut are connected.
Specifically, load analog device include the movable plate, the bottom fixed connection of top and nut of movable plate, the bottom fixed mounting several cylinders of movable plate, through clamp plate fixed connection between the movable end bottom of cylinder.
Specifically, vibration mechanism include two sets of telescopic links group that the activity set up in the cavity, every telescopic link group comprises two telescopic links, two sleeves, push pedal, the bottom of the stiff end of two telescopic links and the bottom inner wall fixed connection of cavity, telescopic bottom opening, two sleeves are located the bottom both sides of push pedal respectively, the removal end of telescopic link can insert in the sleeve, through spring coupling between telescopic bottom and the stiff end top of telescopic link, the removal end of telescopic link can pass the spring, through fixed plate fixed connection between the stiff end of two telescopic links, fixed plate top surface movable mounting cam rotary mechanism, cam rotary mechanism can promote the push pedal and upwards move.
Specifically, cam slewing mechanism include two lifter, the stiff end bottom and the top surface fixed connection of fixed plate of lifter, movable mounting axis of rotation between the removal end opposite ends of two lifter, the top fixed mounting of axis of rotation is protruding.
Compared with the prior art, the invention has the following beneficial effects:
After the wheels of the semitrailer are moved to the vibrating mechanism, three different tests can be performed, the first one: the load simulation mechanism moves, parts in the load simulation mechanism move into a carriage of the semi-trailer according to different loading amounts, and load simulation is carried out at different positions of the semi-trailer, and the second type is that: after load simulation is finished, the vibration mechanism starts to work, vibration test is carried out on wheels, road surface jolting environment is simulated, jolting experiment is carried out, suspension mechanisms of a test vehicle are arranged, for example, in front and rear wheel sets, the vibration mechanism positioned in front vibrates, the wheel sets positioned in front bounce, suspension of the test vehicle is arranged, or the front and rear wheel sets vibrate in a staggered mode, simultaneous bounce test is carried out on the two wheel sets, and the third type is that: the components in the load simulation mechanism are contacted with the carriage of the semi-trailer to carry out load, meanwhile, the vibration mechanism also works to test jolt data of the semi-trailer under the load condition, and more semi-trailer performance data are obtained through three tests to ensure the quality of the semi-trailer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention; FIG. 2 is a view in the direction A of FIG. 1; fig. 3 is a partial enlarged view of B of fig. 1.
Reference numerals
1. A base; 2. a bracket; 3. a connecting plate; 4. a cavity; 5. a long strip groove; 6. a threaded rod; 7. a moving plate; 8. a cylinder; 9. a pressing plate; 10. a protrusion; 11. a telescopic rod group; 111. a telescopic rod; 112. a sleeve; 113. a push plate; 12. a fixing plate; 13. a lifting rod; 14. and (3) rotating the shaft.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a semitrailer capability test platform, as shown in fig. 1-3, includes base 1, and base 1 top surface four corners is fixed mounting support 2 respectively, through connecting plate 3 fixed connection between the top of support 2, two sets of load analog mechanism that connecting plate 3's bottom surface movable mounting can horizontal migration, two cavities 4 around the base 1 side top surface is seted up, movable mounting vibration mechanism in the cavity 4. The base 1 is buried underground, the top surface of the base 1 is parallel to the ground, the semitrailer is driven by the traction head, the semitrailer moves onto the base 1, the wheels of the semitrailer move onto the vibrating mechanism, the traction head is a known technology, so that the wheels of the semitrailer can be tested in three different modes after moving onto the vibrating mechanism, and the first mode is that: the load simulation mechanism moves, parts in the load simulation mechanism move into a carriage of the semi-trailer according to different loading amounts, and load simulation is carried out at different positions of the semi-trailer, and the second type is that: after load simulation is finished, the vibration mechanism starts to work, vibration test is carried out on wheels, road surface jolting environment is simulated, jolting experiment is carried out, suspension mechanisms of a test vehicle are arranged, for example, in front and rear wheel sets, the vibration mechanism positioned in front vibrates, the wheel sets positioned in front bounce, suspension of the test vehicle is arranged, or the front and rear wheel sets vibrate in a staggered mode, simultaneous bounce test is carried out on the two wheel sets, and the third type is that: the components in the load simulation mechanism are contacted with the carriage of the semi-trailer to carry out load, meanwhile, the vibration mechanism also works to test jolt data of the semi-trailer under the load condition, and more semi-trailer performance data are obtained through three tests to ensure the quality of the semi-trailer.
Specifically, two rectangular grooves 5 are offered to the bottom surface of connecting plate 3 in this embodiment, and two rectangular grooves 5 are arranged from front to back, and movable mounting has the threaded rod 6 of motor in every rectangular groove 5, and threaded rod 6 goes up the screw-thread fit and sets up the nut, and the bottom and the load analog mechanism of nut are connected. The motor fixed mounting of threaded rod 6 is on the one side inner wall of rectangular groove 5, and the other end and the opposite side inner wall swing joint of rectangular groove 5 of threaded rod 6, and motor control threaded rod 6 rotates, and control nut carries out horizontal migration along threaded rod 6 in rectangular groove 5, drives load analog mechanism and removes, adjusts the position of load analog mechanism in the carriage.
Further, the load simulation mechanism in this embodiment includes a moving plate 7, the top end of the moving plate 7 is fixedly connected with the bottom end of the nut, a plurality of cylinders 8 are fixedly mounted at the bottom end of the moving plate 7, and the bottom ends of the moving ends of the cylinders 8 are fixedly connected through a pressing plate 9. The pressure sensor is fixedly arranged on the pressing plate 9, the pressure sensor detects the downward pressing force of the air cylinder 8, the moving plate 7 is driven by the nut to move left and right in a reciprocating mode, the moving plate 7 drives the air cylinder 8 and the pressing plate 9 below to move, after moving to a certain position of a carriage of the semi-trailer, the air cylinder 8 stretches to push the pressing plate 9 to move downwards, the pressing plate 9 contacts with the carriage of the semi-trailer, the downward pressing force generated by pushing the pressing plate 9 by the air cylinder 8 is used for simulating the carrying capacity, and the carrying capacity of different positions of the carriage of the semi-trailer can be simulated through the movement of the moving plate 7, so that the test is more comprehensive and the data is more accurate.
Still further, the vibration mechanism of this embodiment includes two telescopic link groups 11 movably disposed in the cavity 4, each telescopic link group 11 is composed of two telescopic links 111, two sleeves 112, and a push plate 113, the bottom ends of the fixed ends of the two telescopic links 111 are fixedly connected with the inner wall of the bottom end of the cavity 4, the bottom ends of the sleeves 112 are opened, the two sleeves 112 are respectively located at two sides of the bottom end of the push plate 113, the movable end of the telescopic link 111 can be inserted into the sleeve 112, the bottom end of the sleeve 112 is connected with the top end of the fixed end of the telescopic link 111 through a spring, the movable end of the telescopic link 111 can pass through the spring, the fixed ends of the two telescopic links 111 are fixedly connected through a fixed plate 12, a cam rotating mechanism is movably mounted on the top surface of the fixed plate 12, and the cam rotating mechanism can push the push plate 113 to move upwards. The wheels move to the push plate 113, when the wheels are tested in a small range, the cam rotating mechanism works and contacts with the bottom surface of the push plate 113, the push plate 113 is controlled to reciprocate up and down, the situation of driving on a bumpy road in a small range is simulated, moreover, through the action of the springs, the bottom end of the sleeve 112 and the top end of the fixed end of the telescopic rod 111 can be prevented from being collided, hard contact is prevented from being generated, damage is prevented, after the cam rotating mechanism is separated from the push plate 113, the telescopic rod 111 stretches, the top end of the moving end of the telescopic rod 111 contacts with the inner wall of the top end of the sleeve 112, the telescopic rod 111 continues to stretch or shrink, the push plate 113 can be controlled to move up and down, the inclination of a large-angle test vehicle can be performed, more environments are simulated, the semi-trailer is tested more carefully, and the qualification rate of products is improved.
Further, the cam rotating mechanism in this embodiment includes two lifting rods 13, the bottom ends of the fixed ends of the lifting rods 13 are fixedly connected with the top surface of the fixed plate 12, a rotating shaft 14 is movably mounted between the opposite ends of the moving ends of the two lifting rods 13, and a protrusion 10 is fixedly mounted on the top of the rotating shaft 14. The lifting rod 13 can be a cylinder, the rotating shaft 14 is provided with a motor, the motor is arranged on the inner side of the lifting rod 13, the lifting rod 13 stretches, a small gap is formed between the rotating shaft 14 and the push plate 113, then the rotating shaft 14 rotates under the drive of the motor to drive the bulge 10 to rotate, after the bulge 10 contacts with the push plate 113, the push plate 113 is pushed upwards, after the bulge 10 is separated from the push plate 113, the push plate 113 falls downwards, the push plate 113 can be adjusted through the rotation of the bulge 10, the push plate 113 contacts with wheels, and then the wheels are tested.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a semitrailer performance test platform which characterized in that: including base (1), base (1) top surface four corners fixed mounting support (2) respectively, through connecting plate (3) fixed connection between the top of support (2), two sets of load analog mechanism that bottom surface movable mounting of connecting plate (3) can horizontal migration, two cavity (4) around base (1) one side top surface is seted up, movable mounting vibration mechanism in cavity (4).
2. The semitrailer performance test platform of claim 1, wherein: two rectangular grooves (5) are offered to the bottom surface of connecting plate (3), arrange around two rectangular grooves (5), movable mounting has threaded rod (6) of motor in every rectangular groove (5), threaded rod (6) go up screw-thread fit and set up the nut, the bottom and the load analog mechanism of nut are connected.
3. The semitrailer performance test platform as claimed in claim 2, wherein: the load simulation mechanism comprises a moving plate (7), the top end of the moving plate (7) is fixedly connected with the bottom end of the nut, a plurality of cylinders (8) are fixedly arranged at the bottom end of the moving plate (7), and the bottom ends of the moving ends of the cylinders (8) are fixedly connected through pressing plates (9).
4. The semitrailer performance test platform of claim 1, wherein: the vibrating mechanism comprises two groups of telescopic rod groups (11) movably arranged in a cavity (4), each group of telescopic rod groups (11) consists of two telescopic rods (111), two sleeves (112) and a pushing plate (113), the bottom ends of the fixed ends of the two telescopic rods (111) are fixedly connected with the inner wall of the bottom end of the cavity (4), the bottom ends of the sleeves (112) are open, the two sleeves (112) are respectively positioned at two sides of the bottom end of the pushing plate (113), the movable ends of the telescopic rods (111) can be inserted into the sleeves (112), the bottom ends of the sleeves (112) are connected with the top ends of the fixed ends of the telescopic rods (111) through springs, the movable ends of the telescopic rods (111) can penetrate through springs, the fixed ends of the two telescopic rods (111) are fixedly connected through a fixed plate (12), and a cam rotating mechanism is movably arranged on the top surface of the fixed plate (12) and can push the pushing plate (113) to move upwards.
5. The semitrailer performance test platform as claimed in claim 4, wherein: the cam rotating mechanism comprises two lifting rods (13), the bottom ends of the fixed ends of the lifting rods (13) are fixedly connected with the top surface of the fixed plate (12), a rotating shaft (14) is movably installed between the opposite ends of the moving ends of the two lifting rods (13), and a protrusion (10) is fixedly installed at the top of the rotating shaft (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410564403.2A CN118150194A (en) | 2024-05-09 | 2024-05-09 | Semitrailer performance test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410564403.2A CN118150194A (en) | 2024-05-09 | 2024-05-09 | Semitrailer performance test platform |
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| Publication Number | Publication Date |
|---|---|
| CN118150194A true CN118150194A (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410564403.2A Pending CN118150194A (en) | 2024-05-09 | 2024-05-09 | Semitrailer performance test platform |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200979502Y (en) * | 2006-10-19 | 2007-11-21 | 吉林大学 | An automobile suspension property test-bed with modulated frequency and adjustable amplitude |
| CN106996879A (en) * | 2017-04-21 | 2017-08-01 | 燕山大学 | vehicle suspension performance testing device |
| CN107576517A (en) * | 2017-08-31 | 2018-01-12 | 燕山大学 | A kind of vehicle active suspension Testing Platform |
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- 2024-05-09 CN CN202410564403.2A patent/CN118150194A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200979502Y (en) * | 2006-10-19 | 2007-11-21 | 吉林大学 | An automobile suspension property test-bed with modulated frequency and adjustable amplitude |
| CN106996879A (en) * | 2017-04-21 | 2017-08-01 | 燕山大学 | vehicle suspension performance testing device |
| CN107576517A (en) * | 2017-08-31 | 2018-01-12 | 燕山大学 | A kind of vehicle active suspension Testing Platform |
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