CN113447280A - Method for detecting vehicle performance of motor vehicle - Google Patents
Method for detecting vehicle performance of motor vehicle Download PDFInfo
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- CN113447280A CN113447280A CN202110714761.3A CN202110714761A CN113447280A CN 113447280 A CN113447280 A CN 113447280A CN 202110714761 A CN202110714761 A CN 202110714761A CN 113447280 A CN113447280 A CN 113447280A
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- 238000001514 detection method Methods 0.000 claims abstract description 81
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 10
- 125000003003 spiro group Chemical group 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005489 elastic deformation Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
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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
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Abstract
The application relates to a motor vehicle performance detection method, which comprises the following steps of wheel limiting: moving the wheel to a detection table, limiting two axial sides of the wheel, and limiting the movement of the wheel along the axial direction; braking the wheels: enabling the wheel to rotate on the detection table; side slip detection: and pulling the detection platform along the axial direction of the wheel, and detecting the relative displacement condition of the detection platform and the wheel along the radial direction of the wheel. The accuracy that this application can improve and sideslip the performance detection to the vehicle.
Description
Technical Field
The application relates to the field of vehicle performance, in particular to a method for detecting vehicle performance of a motor vehicle.
Background
The motor vehicle is a wheeled vehicle driven or dragged by a power device and driven on a road for riding, and the motor vehicle is an essential tool in the modern society; with the popularization of vehicle use, it is particularly important to detect the vehicle delivery performance, where the detection of the vehicle sideslip performance is one of important detection items, and the detection of the sideslip performance mainly refers to the detection of the sideslip amount of the steering wheel of the automobile.
Chinese patent with publication number CN207850711U discloses an automobile double-plate side-slipping detection table, which comprises a frame, wherein a first groove and a second groove are respectively formed in one side of the top of the frame, and the bottoms of the first groove and the second groove are respectively connected with first transverse rollers at four corners of the first sliding plate and the second sliding plate in a sliding manner. The utility model is provided with the first sliding plate and the second sliding plate, which can respectively detect the respective offset of the left and right wheels of the front wheel of the automobile and reduce the detection deviation; the offset can be detected according to the offset distance and angle between the connecting rods by arranging the first connecting rod, the second connecting rod and the third connecting rod; the cylinder is arranged on the first reset rod, so that the cylinder can be used for driving the first reset rod to reset the connecting rod mechanism; by providing a first release plate and a second release plate, a variable amount of flattened sections of the tire can be excluded from the detected amount.
In view of the above-mentioned related technologies, the inventor believes that the above-mentioned patent requires a person to manually turn on the automobile to pass through the side sliding plate when detecting the sideslip performance of the automobile, and once the control of the person is not good, the automobile deviates on the traveling route, which may affect the accuracy of detecting the sideslip performance.
Disclosure of Invention
In order to detect the accuracy of the vehicle sideslip performance, the application provides a method for detecting the vehicle performance of the motor vehicle.
The application provides a motor vehicle performance detection method, which adopts the following technical scheme:
a method for detecting the performance of motor-driven vehicle includes such steps as
Limiting the wheels: moving the wheel to a detection table, limiting two axial sides of the wheel, and limiting the movement of the wheel along the axial direction;
braking the wheels: enabling the wheel to rotate on the detection table;
side slip detection: and pulling the detection platform along the axial direction of the wheel, and detecting the relative displacement condition of the detection platform and the wheel along the radial direction of the wheel.
Through adopting above-mentioned technical scheme, carry out along axial spacing back to the wheel, at the wheel rotation in-process, the platform is examined in the pulling, examines platform and wheel along the radial relative displacement condition of wheel through detecting, can react the sideslip performance of vehicle, has reduced the error of people's driving car moreover, has improved the detection accuracy, and then has improved car safety in utilization.
It is optional, wheel spacing step, wheel braking step and the detection step that sideslips are all gone on detection device that sideslips, detection device that sideslips includes the base, detects platform and spacing splint, it slides and sets up at the base upper surface to detect the platform, it draws the subassembly to be provided with the receipts that the drive detected the platform and slided on the base, it is provided with the subassembly that drives that is used for cooperating wheel pivoted to rotate to detect bench, spacing splint have two, two spacing splint slide relatively on the base along the direction of sliding that detects the platform, two spacing splint are located detect bench side, be provided with the drive assembly that the drive spacing splint slided on the base.
Through adopting above-mentioned technical scheme, spacing splint carry out axial spacing to the wheel, drive the subassembly and can make the wheel rotate on examining test table, satisfy the basic condition that detects, receive at last and draw the subassembly pulling to examine test table, detect under the pulling force effect of regulation size, whether the wheel takes place the relative displacement of regulation scope with examining test table, can reflect the sideslip performance of wheel, convenient and fast.
Optionally, receive and draw the subassembly including receiving the draw spring, receiving the pull rod, receiving the pull ring and reporting to the police the piece, receive the pull ring and rotate and set up on the base, receive the pull ring and be located the both sides that detect platform along self sliding direction, receive the pull rod and receive the pull ring one-to-one setting, receive the pull rod and slide along detecting platform sliding direction and set up on the base, receive the pull rod and receive pull ring threaded connection, receive the spring setting of drawing and receiving between the pull rod and detecting the platform, the reporting to the police piece sets up on the base, be provided with on the base and be used for the drive to receive pull ring pivoted drive arrangement.
By adopting the technical scheme, the elastic deformation of the tension spring enables the detection platform to slide in two directions along the base; therefore, the retracting pull ring rotates for specified circles, the retracting pull rod can drive the retracting pull spring to deform for specified length by utilizing the thread feeding between the retracting pull ring and the retracting pull rod, so that the retracting pull spring can generate specified tension on the detection platform, at the moment, if the detection platform does not move in a specified range, the sideslip performance of the vehicle is qualified, once the detection platform moves in the specified range, the alarm piece can give an alarm, and the sideslip performance condition of the vehicle can be conveniently and quickly reflected.
Optionally, the warning piece includes light beam transmitter, light beam receiver and protection casing, light beam transmitter sets up on the lateral wall that detects the platform along perpendicular to self sliding direction, light beam receiver sets up on the base, light beam receiver and light beam transmitter detect the direction that the platform slided along the perpendicular to relatively, the protection casing sets up on the lateral wall that detects the platform sliding direction along the perpendicular to at the base, the one end that the base was kept away from to the protection casing with detect a lateral wall butt, light beam receiver and light beam transmitter all are located the protection casing inboard, be provided with the alarm on the base, alarm and light beam receiver electricity are connected.
By adopting the technical scheme, when the detection table does not move within the specified range, the light beam receiver can normally receive the light emitted by the light beam emitter, the alarm does not give an alarm, and once the detection table moves within the specified range and the light beam receiver cannot receive the light, the alarm can give an alarm to inform workers; and meanwhile, the protective cover reduces the working influence of foreign objects on the light beam transmitter and the light beam receiver.
Optionally, drive the subassembly and include and drive the commentaries on classics area and drive the runner, it rotates to set up on the lateral wall that detects platform along perpendicular to self slip direction both ends to drive the runner, drive the commentaries on classics area around establishing between two drive runners, drive the upper surface of taking the body above the area of commentaries on classics area and detect the platform upper surface and flush.
Through adopting above-mentioned technical scheme, drive the runner band and rotate, can impel the wheel to detect the platform relatively and rotate in situ to cooperation spacing splint and receipts draw the subassembly to carry out the detection that sideslips of vehicle.
Optionally, the drive assembly includes actuating lever, drive ring, cushion collar, buffer spring and setting element, the drive ring rotates and sets up on the base, be provided with drive ring pivoted second drive arrangement on the base, the actuating lever slides along examining test table slip direction and sets up on the base, actuating lever and drive ring threaded connection, the end wall of actuating lever slides along examining test table slip direction and cushion collar and is connected, the one end that the actuating lever was kept away from to the cushion collar is connected with spacing splint, buffer spring sets up and connects between the inside wall of the end wall of cushion collar and cushion collar at the actuating lever, the setting element sets up on the actuating lever and is used for fixed cushion collar.
Through adopting above-mentioned technical scheme, the drive ring rotates and takes place the screw thread with the actuating lever and rotate to drive spacing splint through the cushion collar and remove, and because the cushion collar slides on the actuating lever, be connected with buffer spring between cushion collar and the actuating lever simultaneously, make when wheel skew assigned position, two spacing splint can be successively the butt on the wheel, fix the cushion collar with the setting element at last, can carry out convenient and fast ground location to the wheel.
Optionally, the setting element includes feed ring, propelling ring, promotion piece and spacing spring, feed ring threaded connection is on the cushion collar, the propelling ring is connected in feed ring axial one end, the propelling ring is located cushion collar week side, run through on the relative lateral wall of cushion collar and promotion ring and be provided with the groove of sliding, the promotion piece slides and sets up on the groove cell wall of sliding, the propelling ring is the slope lateral wall for the lateral wall that promotes the piece, it supports tightly to promote the piece and promote the ring, the one end that promotes the piece and keep away from the propelling ring supports tightly with the actuating lever, spacing spring sets up between promotion piece and the groove cell wall of sliding, spacing spring is stretched.
By adopting the technical scheme, the feed belt drives the push ring to abut against the push block, so that the push block and the driving rod can abut tightly, and the buffer sleeve can be limited by utilizing the friction force between the push block and the driving rod; and when the pushing ring is far away from the pushing block, the limiting spring is restored to a natural state, the limiting spring can drive the pushing block to be not abutted against the driving rod, and the buffer sleeve can slide on the driving rod.
Optionally, two the spacing splint relative lateral wall all is provided with branch, the one end that spacing splint was kept away from to branch rotates and is provided with the spin.
Through adopting above-mentioned technical scheme, spacing splint and wheel butt are replaced to the spin to can reduce the frictional force that the wheel received, and then can reduce the wearing and tearing that the wheel received.
Optionally, branch slides and sets up on spacing splint, be provided with the sliding part that drive branch slided on the spacing splint, sliding part is including sliding seat, the pinion rack that slides and drive gear, drive spiral ring, drive screw, sliding seat slides along detecting a setting on spacing splint of sliding direction, be provided with the third drive arrangement that the seat that slides of drive on the spacing splint, the drive spiral ring rotates and sets up on spacing splint, drive gear sets up on the ring outer wall of drive spiral ring, the pinion rack that slides sets up on sliding seat, pinion rack and drive gear one-to-one set up and mesh with drive gear, drive screw sets up with the branch one-to-one, the drive spiral ring slides and sets up on spacing splint and with drive spiral ring inner wall threaded connection.
Through adopting above-mentioned technical scheme, the seat that slides drives the pinion rack that slides and slides for the pinion rack that slides meshes with the drive gear that corresponds, can make drive spiro and drive screw take place the screw feed, makes drive screw drive branch slide, thereby can adjust the position of spin, makes the spin can with the not wheel butt of equidimension.
Optionally, the bottom of spacing splint is provided with the bracing piece, the bottom of bracing piece is rotated and is provided with the support ball, support ball and drive and take the upper surface butt.
Through adopting above-mentioned technical scheme, bracing piece and support ball can support spacing splint, improve spacing splint's stability, and the support ball smooths driving the commentaries on classics area simultaneously, improves the rotational stability who drives the commentaries on classics area.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the wheel rotates on the detection table in situ relatively, the sideslip performance of the vehicle is reflected by detecting the relative displacement condition of the detection table and the wheel along the axial direction of the wheel, the error of driving the vehicle by a person can be reduced, the detection accuracy is improved, and the use safety of the vehicle is further improved;
2. the application provides a sideslip detection device which can conveniently and quickly detect the sideslip performance of a vehicle;
3. in the drive assembly of this application, because the cushion collar slides on the actuating lever, be connected with buffer spring between cushion collar and the actuating lever simultaneously for when wheel skew regulation position, two spacing splint can be successively the butt on the wheel, make the wheel can have certain skew in the position of misplacing on examining the test table.
Drawings
Fig. 1 is a schematic structural diagram of a side-slip detection device in an embodiment of the present application.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a plan view of the side-slip detecting device in the embodiment of the present application.
Fig. 4 is a sectional view taken along line B-B in fig. 3.
Fig. 5 is an enlarged view at C in fig. 4.
Fig. 6 is a sectional view taken along line D-D in fig. 3.
Fig. 7 is an enlarged view at E in fig. 6.
Fig. 8 is a schematic diagram of a retractable assembly structure according to an embodiment of the present application.
Description of reference numerals: 1. a base; 11. installing a cavity groove; 12. a second driving device; 13. a first driving device; 14. a base; 2. a detection table; 21. a yielding groove; 3. a limiting clamp plate; 31. a strut; 32. rolling a ball; 33. a support bar; 331. a support ball; 4. a retracting component; 41. retracting and pulling the spring; 42. retracting the pull rod; 43. a pull ring is retracted; 44. an alarm member; 441. a light beam emitter; 442. a light beam receiver; 443. a protective cover; 444. an alarm; 5. a drive-rotation assembly; 51. a drive belt; 52. driving the rotating wheel; 6. a drive assembly; 61. a drive rod; 62. a drive ring; 63. a buffer sleeve; 631. a sliding groove; 632. a first block; 633. a second block; 64. a buffer spring; 65. a positioning member; 651. a feed ring; 652. a push ring; 653. a pushing block; 654. a limiting spring; 7. a sliding member; 71. a sliding seat; 711. a third driving device; 72. a sliding toothed plate; 73. a drive gear; 74. a drive toroid; 75. the screw is driven.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses detection device sideslips.
As shown in fig. 1, a detection device sideslips includes base 1, examine test table 2 and spacing splint 3, base 1 upper surface is provided with installation chamber groove 11, it slides and sets up on the diapire of installation chamber groove 11 to examine test table 2, and the upper surface that examines test table 2 upper surface and base 1 flushes, it draws subassembly 4 to be provided with the receipts that the drive examined test table 2 and slided on base 1, it is used for cooperating wheel pivoted to examine test table 2 still to be provided with to drive subassembly 5 that changes, spacing splint 3 have two, two spacing splint 3 slide at the upper surface of base 1 along the slip direction relative of examining test table 2, and two spacing splint 3 are located and examine test table 2 top, be provided with the drive assembly 6 that the drive spacing splint 3 slided on the base 1.
Set for a specified pulling force and benchmark displacement distance, after the wheel moved to examining test table 2, start drive assembly 6 for spacing splint 3 moves to wheel axial both sides and with the wheel butt, then start drive commentaries on classics subassembly 5, the rotation of cooperation vehicle self makes the wheel for examining test table 2 rotation in situ, start to receive and draw subassembly 4 at last and draw and examine test table 2, if under specified pulling force, examine test table 2 and the wheel before not taking place the relative displacement distance that exceeds benchmark displacement distance, can demonstrate that the sideslip performance of wheel is good.
As shown in fig. 1 and fig. 2, in order to reduce the wear of the wheel, in this embodiment, two supporting rods 31 are slidably disposed on opposite side walls of two restraining splints 3, two supporting rods 31 are slidably disposed on one restraining splint 3, two supporting rods 31 are slidably disposed on the restraining splint 3 in a horizontal direction, and one end of each supporting rod 31 away from the restraining splint 3 is rotatably disposed with a rolling ball 32, and a sliding member 7 for driving the supporting rods to slide is disposed on the restraining splint 3.
As shown in fig. 2 and 3, the sliding member 7 includes a sliding seat 71, a sliding tooth plate 72, a driving gear 73, a driving spiral ring 74, and a driving screw 75, the sliding seat 71 is slidably disposed on a side wall of the position-limiting clamping plate 3 along the vertical direction, a third driving device 711 is disposed on the position-limiting clamping plate 3, the third driving device 711 in this embodiment is a driving cylinder, and a driving end of the third driving device 711 is fixedly connected to the sliding seat 71. The driving screw rods 75 are arranged in one-to-one correspondence with the supporting rods 31, the driving screw rings 74 and the driving screw rods 75 are arranged in one-to-one correspondence and are rotatably arranged on the side walls of the limiting clamping plates 3, the driving screw rods 75 are in threaded connection with the driving screw rings 74, one ends of the driving screw rods 75 are fixedly connected with the corresponding supporting rods 31, the driving gears 73 are fixedly connected to the outer wall of the driving screw rings 74, the sliding tooth plates 72 are fixedly connected to the sliding seat 71, and the sliding tooth plates 72 and the driving gears 73 are arranged in one-to-one correspondence and meshed with the driving gears 73. Therefore, the third driving device 711 is started, the sliding seat 71 drives the sliding toothed plate 72 to slide, the sliding toothed plate 72 is meshed with the driving gear 73, the thread feeding is generated between the driving spiral ring 74 and the driving screw rod 75, the driving screw rod 75 drives the supporting rod 31 to move, the rolling ball 32 can move to a place matched with the size of the wheel, when the limiting clamping plate 3 limits the wheel, the rolling ball 32 replaces the limiting clamping plate 3 to abut against the wheel, and the friction force received by the wheel can be reduced.
As shown in fig. 4, the driving assembly 6 includes a driving rod 61, a driving ring 62, a buffer sleeve 63, a buffer spring 64 and a positioning member 65, wherein bases 14 are disposed on two sides of the upper surface of the base 1 in the sliding direction of the detection table 2, the driving ring 62 is rotatably disposed on the bases 14, a second driving device 12 for driving the driving ring 62 to rotate is disposed on the bases 14, the second driving device 12 of the present embodiment includes a motor mounted on the base and a gear fixedly connected to the driving end of the motor, and the gear is engaged with the outer wall of the driving ring 62. The actuating lever 61 slides along detecting platform 2 glide direction and sets up on installation cavity groove 11 diapire, actuating lever 61 and drive ring 62 threaded connection, the end wall and the cushion collar 63 of actuating lever 61 orientation detection platform 2 slide and connect, the cushion collar 63 slides along detecting platform 2 glide direction and keeps away from the one end of actuating lever 61 and seals the setting, the one end that the actuating lever 61 was kept away from to the cushion collar 63 is connected with spacing splint 3, buffer spring 64 sets up and connects between the inside wall of the end wall of cushion collar 63 and cushion collar 63 at actuating lever 61, setting element 65 sets up on actuating lever 61 and is used for fixed cushion collar 63. After the wheel moves to the specified position of the detection table 2, the second driving device 12 is started, the driving ring 62 rotates, the driving rod 61 is in thread feeding, the driving rod 61 drives the limiting clamp plate 3 to move through the buffer sleeve 63 until the rolling balls 32 on the two sides are all abutted against the side wall of the wheel, and at the moment, the buffer sleeve 63 is positioned by using the positioning piece 65.
As shown in fig. 5, the positioning member 65 includes a feeding ring 651, a pushing ring 652, a pushing block 653 and a limit spring 654, the feeding ring 651 is screwed on the buffer sleeve 63, the pushing ring 652 is connected to one axial end of the feeding ring 651, the pushing ring 652 is located on the peripheral side of the buffer sleeve 63, one end wall of the pushing ring 652, which is far away from the feeding ring 651, is an inclined side wall, a sliding groove 631 penetrates through the side wall of the buffer sleeve 63, which is opposite to the pushing ring 652, the pushing block 653 is slidably arranged on the groove wall of the sliding groove 631, and the pushing block 653 and the pushing ring 652 are abutted; the wall of the sliding groove 631 is provided with a first block 632, the side wall of the pushing block 653 is provided with a second block 633, the first block 632 is opposite to the second block 633, the limiting spring 654 is fixedly connected between the first block 632 and the second block 633 and is stretched, and one end of the pushing block 653, which is far away from the pushing ring 652, is abutted against the driving rod 61.
When the push ring 652 is far away from the push block 653, the limiting spring 654 is in a natural state, the push block 653 is far away from the driving rod 61, and as the feed ring 651 is rotated, the feed ring 651 drives the push ring 652 to move towards the push block 653 through screw feeding, so that the inclined side wall of the push ring 652 slides against the push block 653, the push block 653 is pushed to move towards the driving rod 61 until the push block 653 and the driving rod 61 abut against each other, the limiting spring 654 is stretched, and the buffer sleeve 63 and the driving rod 61 are fixed together.
As shown in fig. 6, the driving assembly 5 includes a driving belt 51 and a driving wheel 52, the driving wheel 52 is rotatably disposed on the side wall of the detection platform 2 along the two ends of the sliding direction of the detection platform itself, the base 1 is provided with a motor for driving the driving wheel 52 to rotate, the upper surface of the detection platform 2 is provided with a yielding groove 21, the driving belt 51 is wound around the two driving wheels 52, the belt body above the driving belt 51 is located in the yielding groove 21, and the upper surface of the driving belt 51 is flush with the upper surface of the detection platform 2. Meanwhile, the bottom end of the limiting splint 3 is provided with a support rod 33, the bottom end of the support rod 33 is rotatably provided with a support ball 331, and the support ball 331 is abutted against the upper surface of the driving belt 51. Therefore, after the wheel moves onto the driving belt 51, the starting motor drives the driving wheel 52 to rotate, so that the rotation speed of the driving belt 51 is matched with the rotation speed of the wheel, and the wheel can rotate in situ relative to the detection table 2.
As shown in fig. 7 and 8, the retraction assembly 4 of the present embodiment includes a retraction spring 41, a retraction rod 42, a retraction ring 43 and an alarm 44, wherein the retraction ring 43 is rotatably disposed on the groove wall of the installation cavity 11, the retracting pull rings 43 are located on two sides of the detection table 2 along the self sliding direction, the retracting pull rods 42 and the retracting pull rings 43 are arranged in a one-to-one correspondence mode, the retracting pull rods 42 are arranged on the bottom wall of the installation cavity groove 11 in a sliding mode along the sliding direction of the detection table 2, the outer peripheral wall of each retracting pull rod 42 is in threaded connection with the inner wall of each retracting pull ring 43, each retracting pull spring 41 is fixedly connected between each retracting pull rod 42 and the detection table 2, the alarm piece 44 is arranged on the base 1, the base 1 is provided with the first driving device 13, each first driving device 13 comprises a motor arranged on the base 1 and a gear fixedly connected to the driving end of the motor, the gear is meshed with the outer wall of each retracting pull ring 43, and the first driving devices 13 and the retracting pull rings 43 are arranged in a one-to-one correspondence mode. Therefore, a first driving device 13 is started to drive the corresponding retracting pull ring 43 to rotate, the retracting pull ring 43 and the retracting pull rod 42 rotate in a threaded mode, the retracting pull rod 42 can pull the retracting pull spring 41, the retracting pull spring 41 pulls the detection platform 2, once the detection platform 2 and the detection platform 2 generate relative displacement which is larger than the reference displacement distance under the specified pulling force, the alarm piece 44 gives an alarm, and the wheel sideslip performance is unqualified.
As shown in fig. 7, the alarm device 44 includes a light beam emitter 441, a light beam receiver 442 and a protective cover 443, the light beam emitter 441 is installed on a wall of the inspection table 2 along a direction perpendicular to the sliding direction of the inspection table 2, the light beam receiver 442 is installed on a bottom wall of the installation cavity 11, the light beam receiver 442 and the light beam emitter 441 are opposite along the direction perpendicular to the sliding direction of the inspection table 2, one end of the protective cover 443 is fixedly connected to a side wall of the base 1 along the direction perpendicular to the sliding direction of the inspection table 2, one end of the protective cover 443 away from the base 1 abuts against the side wall of the inspection table 2, the light beam receiver 442 and the light beam emitter 441 are both located inside the protective cover 443, and the base 1 is installed with an alarm 444, the alarm 444 and the light beam receiver 442 are electrically connected, and the light beam emitter 441 in this embodiment is an infrared generator. Therefore, once a relative displacement greater than the reference displacement distance occurs between the inspection station 2 and the wheel, the light beam receiver 442 cannot receive the light emitted from the light beam emitter 441, and the alarm 444 alarms.
The embodiment of the application also provides a motor vehicle performance detection method.
A method for detecting the performance of motor-driven vehicle includes such steps as
Limiting the wheels: moving the vehicle to the detection table 2, wherein one wheel corresponds to one detection table 2, then starting the second driving device 12, enabling the rolling balls 32 on the limiting clamping plates 3 to be abutted against the wheels, enabling one end of the pushing block 653, which is far away from the pushing ring 652, to be abutted against the driving rod 61, and then limiting the two axial sides of the wheels to limit the wheels from moving along the axial direction;
braking the wheels: starting a motor in the driving assembly 5 and simultaneously starting the vehicle to enable the rotating speed of the wheel to be matched with the rotating speed of the driving belt 51, so that the wheel rotates on the detection table 2;
side slip detection: and (3) starting the first driving device 13, pulling the detection platform 2 along the axial direction of the wheel, detecting the relative displacement condition of the detection platform 2 and the wheel along the radial direction of the wheel, and if the alarm 444 alarms, determining that the vehicle sideslip performance is not qualified.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A method for detecting the performance of a motor vehicle is characterized in that: comprises the following steps
Limiting the wheels: moving the wheels to a detection table (2), limiting the two axial sides of the wheels, and limiting the wheels to move along the axial direction;
braking the wheels: so that the wheel rotates on the detection table (2);
side slip detection: the detection platform (2) is pulled along the axial direction of the wheel, and the relative displacement condition of the detection platform (2) and the wheel along the radial direction of the wheel is detected.
2. A motor vehicle performance detection method according to claim 1, characterized in that: the utility model discloses a wheel brake equipment, including base (1), detection platform (2) and spacing splint (3), it slides and sets up at base (1) upper surface to detect platform (2), be provided with the drive on base (1) and detect receipts that platform (2) slided and draw subassembly (4), it drives subassembly (5) that changes to be provided with on detection platform (2) and be used for cooperating wheel pivoted to drive to detect, spacing splint (3) have two, two spacing splint (3) slide relatively on base (1) along the direction of sliding of detecting platform (2), two spacing splint (3) are located and detect platform (2) top, be provided with drive assembly (6) that drive spacing splint (3) slided on base (1).
3. A motor vehicle performance detection method according to claim 2, characterized in that: receive and draw subassembly (4) including receiving and drawing spring (41), receipts pull rod (42), receipts pull ring (43) and alarm (44), receive pull ring (43) and rotate and set up on base (1), receive pull ring (43) and be located and detect platform (2) along the both sides of self sliding direction, receive pull rod (42) and receive pull ring (43) one-to-one setting, receive pull rod (42) and slide along detecting platform (2) sliding direction and set up on base (1), receive pull rod (42) and receipts pull ring (43) threaded connection, receive pull spring (41) and set up and receive pull rod (42) and detect between platform (2), alarm (44) set up on base (1), be provided with on base (1) and be used for the drive to receive pull ring (43) pivoted first drive arrangement (13).
4. A motor vehicle performance detection method according to claim 3, characterized in that: the warning element (44) comprises a light beam emitter (441), a light beam receiver (442) and a protective cover (443), the light beam emitter (441) is arranged on the side wall of the detection table (2) along the direction vertical to the self-sliding direction, the light beam receiver (442) is arranged on the base (1), the light beam receiver (442) and the light beam emitter (441) are opposite along the direction vertical to the sliding direction of the detection table (2), the protective cover (443) is arranged on the side wall of the base (1) along the direction vertical to the sliding direction of the detection platform (2), one end of the protective cover (443) far away from the base (1) is abutted against the side wall of the detection table (2), the beam receiver (442) and the beam emitter (441) are both located inside a protective cover (443), the base (1) is provided with an alarm (444), and the alarm (444) is electrically connected with the light beam receiver (442).
5. A motor vehicle performance detection method according to claim 2, characterized in that: drive subassembly (5) including driving and changeing area (51) and driving and change round (52), it rotates to set up on the lateral wall that detects platform (2) along perpendicular to self slip direction both ends to drive runner (52), it drives to take (51) around establishing between two drive runners (52), drive the upper surface of taking (51) top area body and detect platform (2) upper surface and flush.
6. A motor vehicle performance detection method according to claim 2, characterized in that: the drive assembly (6) comprises a drive rod (61), a drive ring (62), a buffer sleeve (63), a buffer spring (64) and a positioning piece (65), the drive ring (62) is rotatably arranged on the base (1), a second drive device (12) for driving the drive ring (62) to rotate is arranged on the base (1), the drive rod (61) slides along the sliding direction of the detection table (2) and is arranged on the base (1), the drive rod (61) is in threaded connection with the drive ring (62), the end wall of the drive rod (61) slides along the sliding direction of the detection table (2) and is connected with the buffer sleeve (63), one end of the buffer sleeve (63) far away from the drive rod (61) is connected with the limit clamp plate (3), the buffer spring (64) is arranged between the end wall of the drive rod (61) and the inner side wall of the buffer sleeve (63), the positioning piece (65) is arranged on the driving rod (61) and used for fixing the buffer sleeve (63).
7. A motor vehicle performance detection method according to claim 6, characterized in that: the positioning piece (65) comprises a feeding ring (651), a pushing ring (652), a pushing block (653) and a limiting spring (654), the feeding ring (651) is in threaded connection with the buffer sleeve (63), the pushing ring (652) is connected with one axial end of the feeding ring (651), the pushing ring (652) is located on the peripheral side of the buffer sleeve (63), a sliding groove (631) penetrates through the side wall of the buffer sleeve (63) opposite to the pushing ring (652), the pushing block (653) is arranged on the groove wall of the sliding groove (631) in a sliding manner, the pushing ring (652) is an inclined side wall relative to the side wall of the pushing block (653), the pushing block (653) and the pushing ring (652) are abutted, one end, far away from the pushing block (653), of the pushing block (653) abuts against the driving rod (61), the limiting spring (654) is arranged between the pushing block (653) and the groove wall of the sliding groove (631), the limiting spring (654) is in an elastic deformation state.
8. A motor vehicle performance detection method according to claim 5, characterized in that: two all be provided with branch (31) on the relative lateral wall of spacing splint (3), the one end rotation that spacing splint (3) were kept away from in branch (31) is provided with spin (32).
9. A motor vehicle performance detection method according to claim 8, characterized in that: the utility model discloses a stop plate, including branch (31) slide and set up on stop plate (3), be provided with the sliding part (7) that drive branch (31) slided on stop plate (3), sliding part (7) including sliding seat (71), sliding tooth plate (72) and drive gear (73), drive spiro (74), drive screw (75), sliding seat (71) slides along detecting platform (2) sliding direction and sets up on stop plate (3), be provided with third drive arrangement (711) that drive sliding seat (71) slided on stop plate (3), drive spiro (74) rotate and set up on stop plate (3), drive gear (73) set up on the ring outer wall of drive spiro (74), sliding tooth plate (72) sets up on sliding seat (71), sliding tooth plate (72) and drive gear (73) one-to-one set up and mesh with drive gear (73), the driving screw rods (75) and the supporting rods (31) are arranged in a one-to-one correspondence mode, and the driving spiral ring (74) is arranged on the limiting clamping plate (3) in a sliding mode and is in threaded connection with the inner wall of the driving spiral ring (74).
10. A motor vehicle performance detection method according to claim 8, characterized in that: the bottom of spacing splint (3) is provided with bracing piece (33), the bottom of bracing piece (33) is rotated and is provided with support ball (331), support ball (331) and drive and take (51) upper surface butt.
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