CN116839945B - ABS braking performance check out test set - Google Patents
ABS braking performance check out test set Download PDFInfo
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- CN116839945B CN116839945B CN202311102732.7A CN202311102732A CN116839945B CN 116839945 B CN116839945 B CN 116839945B CN 202311102732 A CN202311102732 A CN 202311102732A CN 116839945 B CN116839945 B CN 116839945B
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- 238000012360 testing method Methods 0.000 title description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 127
- 238000001514 detection method Methods 0.000 claims abstract description 68
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention relates to the technical field of brake performance detection, in particular to ABS brake performance detection equipment, which comprises a bottom plate, a first transmission seat, a second transmission seat and a detection seat, wherein the first transmission seat comprises a shell, a movable frame, a connecting rod and a conveyor belt, the movable frame is arranged in the shell in a sliding manner along the vertical direction, square blocks are coaxially sleeved at two ends of the connecting rod in a rotating manner, a first fixing plate is fixedly arranged on a side plate of the conveyor belt, a fixed feedback assembly is arranged at the movable end of the detection seat, and a flexible supporting surface is fixedly arranged on the detection seat. The invention ensures that the fixed feedback component can be contacted with the bottom center of the vehicle when any vehicle is detected, does not need to spend more time on the position positioning of the vehicle, and simultaneously does not need to continuously match with the position positioning by a driver of the vehicle so as to enable the vehicle to advance or retreat, thereby facilitating the whole detection flow and improving the detection efficiency.
Description
Technical Field
The invention relates to the technical field of brake performance detection, in particular to ABS brake performance detection equipment.
Background
The anti-lock braking system is called ABS for short, and has the function of automatically controlling the braking force of a brake when an automobile is braked, so that wheels are not locked and are in a rolling and sliding state, the adhesion force between the wheels and the ground is ensured to be at the maximum value, and the ABS braking performance detection is required when the automobile leaves a factory. In the prior art, the automobile runs on the transmission belt to detect, but the prior art can only detect the automobile with the wheel base at the distance between the two tires at the two sides fixed, has poor practicability, and drives the supporting roller at the middle part through the power machine when the transmission belt is driven, and has a large amount of power loss when the transmission belt is driven because the area between the supporting roller at the middle part and the transmission belt is small.
Chinese patent CN218381620U discloses an ABS brake performance detection line, in which two sets of independent transmission assemblies are provided to make the conveyor belt inside thereof contact with the front and rear wheels of the vehicle, and then vehicles with different wheelbases are adapted by adjusting the distance between the two sets of transmission assemblies, so as to improve the practicality and flexibility of the device, and data detection is performed by cooperation of a support plate and a fixed feedback assembly provided between the two sets of transmission assemblies.
This scheme needs to adjust the interval of two sets of drive assembly according to the axle spacing of vehicle earlier before using, but the interval between drive assembly adjusts back backup pad and two sets of drive assembly's interval and changes, and the backup pad will not be in contact with the bottom center of vehicle this moment, and then can't be fine provide the holding power and carry out the speed that the short time floats for the vehicle and change the drive belt for the vehicle, and the vehicle is gone to the wheel and is in the speed that the conveyer belt was gone on simultaneously also can't judge whether the backup pad is in the exact position, thereby need to start the parking vehicle constantly and carry out the position fine setting, has spent unnecessary time.
Disclosure of Invention
To above-mentioned problem, provide an ABS braking performance check out test set, slide through second transmission seat and lifting seat and set up and ensure that fixed feedback subassembly can be in the bottom center department of vehicle, make the front and back wheel of vehicle move to the center department of conveyer belt when the time will not take place the displacement through moving frame, connecting rod and conveyer belt cooperation simultaneously, make through the lifting assembly in detection seat, first transmission seat and the second transmission seat and need not whole testing process and need not to make the wheel stop rotatory.
For solving prior art problem, provide an ABS braking performance check out test set, comprising a base plate, first transmission seat, second transmission seat and detection seat, first transmission seat includes the casing, remove the frame, connecting rod and conveyer belt, it is U type wholly to remove the frame, two lateral walls of removing the frame set up along vertical direction, it sets up inside the casing to remove the frame along vertical direction slip, the casing is fixed to be set up on the bottom plate, the coaxial rotating sleeve in both ends of connecting rod is equipped with square piece, square piece is along vertical direction slip setting in the lateral wall of removing the frame, the axis of connection press is parallel with two lateral wall central links of removing the frame, be provided with on the curb plate of conveyer belt and can be with connecting rod swivelling joint's first fixed plate, the direction of transport of conveyer belt is perpendicular with the axis of connecting rod, when square piece and removal frame all are in the highest point, be in horizontal conveyer belt upper surface and casing parallel this moment, when the wheel is not in conveyer belt central point, conveyer belt slope and square piece remove to the lowest point down, when the wheel is in conveyer belt central point, conveyer belt parallel and remove to the bottom point down, the conveyer belt is parallel and remove to the second transmission seat is provided with the second transmission seat, the second transmission seat is provided with the flexible carrier seat, the distance is equal to the second transmission seat, the second transmission seat is provided with the second transmission seat, and can be provided with the flexible carrier seat.
Preferably, the movable frame is connected with the shell through a first elastic piece, and the square block is connected with the movable frame through a second elastic piece.
Preferably, the first transmission seat further comprises a movable strip and a movable block, the two ends of the connecting rod extend to the outside of the movable frame, a circular through hole which can be coaxially and fixedly connected with the connecting rod is formed in the center of the movable strip, the movable strip is positioned at the outside of the movable frame and is positioned in the shell, a first long-strip sliding groove which is vertically arranged is formed in the shell, the movable block is slidably arranged in the first long-strip sliding groove, two second long-strip sliding grooves which are uniformly distributed around the circular through hole are formed in the movable strip, the length direction of the second long-strip sliding groove is parallel to the length direction of the movable strip, a limiting shaft which is slidably matched with the second long-strip sliding groove is fixedly arranged on the movable block, and the movable block is connected with the shell through a third elastic piece.
Preferably, the first transmission seat further comprises a positioning strip and a limiting frame, the positioning strip is arranged on the shell in a sliding mode, the sliding direction of the positioning strip is parallel to the axis of the connecting rod, two positioning holes for the positioning strip to be inserted are formed in each side wall of the moving frame, one end of the positioning strip can extend to the outside of the shell, a third long-strip sliding groove is formed in one end of the positioning strip, which can extend to the outside of the shell, of the positioning strip, the limiting frame is arranged on the outside of the shell in a sliding mode, the sliding direction of the limiting frame is parallel to the sliding direction of the first transmission seat, the limiting frame is sleeved on the positioning strip, a fixed shaft which can be in sliding fit with the third long-strip sliding groove is fixedly arranged on the limiting frame, the positioning strip can be driven to move when the limiting frame moves, and a magnetic block which can be in opposite magnetic fit with the limiting frame is fixedly arranged on the moving block.
Preferably, the two limiting frames on the same side are connected through a fourth elastic piece, and the fourth elastic piece enables the two connected limiting frames to be close to each other.
Preferably, one end of the positioning strip, which is positioned inside the shell, is provided with an inclined surface which can be in sliding fit with the movable frame.
Preferably, the first transmission seat further comprises a first servo motor, the end part of the transmission belt extends to the outside of the side plate and is coaxially and fixedly connected with a first gear, a second fixing plate capable of fixing the first servo motor is arranged on the side plate of the transmission belt in an extending mode, the first servo motor is located below the transmission belt, an output shaft of the first servo motor points to the outside of the side plate and is coaxially and fixedly connected with a second gear, and the first gear and the second gear are connected through the transmission belt.
Preferably, the second transmission seat further comprises a second servo motor and a threaded rod, the second servo motor is fixedly arranged on the shell of the second transmission seat, the threaded rod is in transmission connection with the second servo motor, the threaded rod sequentially penetrates through the shell of the second transmission seat, the detection seat and the shell of the first transmission seat, the threaded rod is in sliding fit with the shell of the second transmission seat, the threaded rod is in sliding fit with the detection seat, the threaded rod is in threaded fit with the shell of the first transmission seat, and a fifth elastic piece is sleeved on the position of the threaded rod exposed outside.
Preferably, the shell of the second transmission seat and the detection seat are both provided with rollers, and the rollers penetrate through the bottom plate to be in contact with the ground.
Preferably, the detection seat is provided with two movable plates which are capable of supporting wheels in a sliding manner, the two movable plates are respectively directed to the first transmission seat and the second transmission seat, the sliding direction of the movable plates is parallel to that of the second transmission seat, one end, far away from the detection seat, of the movable plates is provided with a fixing hole, and the shell is fixedly provided with a fixing protrusion which can be inserted into the fixing hole.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the function of ensuring that the fixed feedback assembly can be positioned at the bottom center of the vehicle is realized through the sliding arrangement of the second transmission seat and the lifting seat, the function that the vehicle cannot be displaced when the front wheel and the rear wheel of the vehicle move to the center of the conveying belt for the first time simultaneously is realized through the matching of the moving frame, the connecting rod and the conveying belt, and the function that the wheel does not need to stop rotating in the whole detection process is realized through the lifting assemblies in the detection seat, the first transmission seat and the second transmission seat, so that the fixed feedback assembly can be contacted with the bottom center of the vehicle when the detection work of any vehicle is carried out, more time is not required to be spent on the position positioning of the vehicle, and meanwhile, the driver of the vehicle does not need to continuously match the position positioning so that the vehicle can advance or retreat, and the detection efficiency is improved when the whole detection process is convenient to carry out.
Drawings
FIG. 1 is a schematic perspective view of an ABS brake performance detection device;
FIG. 2 is a schematic cross-sectional view of an ABS brake performance detecting apparatus after a wheel has been moved into position;
FIG. 3 is a schematic cross-sectional view of an ABS brake performance detecting apparatus with a rear wheel moved into position;
FIG. 4 is a schematic cross-sectional view of the ABS brake performance detection device after the rear wheel has been moved into position;
FIG. 5 is a perspective view of a first transmission seat in an ABS brake performance detection apparatus;
FIG. 6 is a schematic perspective cross-sectional view of a first actuator seat in an ABS brake performance detection apparatus;
FIG. 7 is an exploded perspective view of a first transmission housing of an ABS brake performance detection device;
FIG. 8 is a schematic perspective view II of a first transmission seat in an ABS brake performance detection apparatus;
FIG. 9 is a schematic perspective view III of a first transmission seat in an ABS brake performance detection device;
fig. 10 is an enlarged partial schematic view of a in fig. 9.
The reference numerals in the figures are:
1-a bottom plate; 2-a first transmission seat; 21-a housing; 211-a first elongated chute; 212-fixing the protrusion; 22-a mobile frame; 221-a first elastic member; 222-positioning holes; 23-connecting rods; 231-square blocks; 232-a second elastic member; 24-conveyor belt; 241-side plates; 242-a first fixing plate; 243-a first gear; 244-a second fixing plate; 245-a drive belt; 25-activity bars; 251-circular through holes; 252-a second elongate chute; 26-a movable block; 261-limiting shaft; 262-a third elastic member; 263-magnetic block; 27-positioning strips; 271-third elongate slide; 28-limiting frames; 281-fixing shaft; 282-fourth elastic member; 29-a first servomotor; 291-second gear; 3-a second transmission seat; 31-a second servo motor; 32-a threaded rod; 33-a fifth elastic member; 4-a detection seat; 41-a supporting surface; 42-a movable plate; 43-fixing holes; 5-roller.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 4 and 7, an ABS braking performance detecting apparatus includes a base plate 1, a first transmission seat 2, a second transmission seat 3 and a detection seat 4, the first transmission seat 2 includes a housing 21, a moving frame 22, a connecting rod 23 and a conveyor belt 24, the moving frame 22 is U-shaped as a whole, two side walls of the moving frame 22 are disposed upward along a vertical direction, the moving frame 22 is slidably disposed inside the housing 21 along the vertical direction, the housing 21 is fixedly disposed on the base plate 1, two ends of the connecting rod 23 are coaxially and rotatably sleeved with square blocks 231, the square blocks 231 are slidably disposed in the side walls of the moving frame 22 along the vertical direction, an axis of connection is parallel to a central line of the two side walls of the moving frame 22, a first fixing plate 242 capable of being rotatably connected with the connecting rod 23 is fixedly disposed on the side plate 241 of the conveyor belt 24, a transport direction of the conveyor belt 24 is perpendicular to an axis of the connecting rod 23, when the square block 231 and the movable frame 22 are at the highest point, the upper surface of the horizontal conveyor belt 24 is parallel to the top surface of the shell 21, when the wheel is not at the center of the conveyor belt 24, the conveyor belt 24 is inclined, the square block 231 moves downwards to the lowest point, when the wheel is at the center of the conveyor belt 24, the conveyor belt 24 is parallel, the movable frame 22 moves downwards to the lowest point, the second transmission seat 3 is slidably arranged on the bottom plate 1 along the transportation direction of the conveyor belt 24, the structure of the second transmission seat 3 is the same as that of the first transmission seat 2, a lifting component capable of lifting the vehicle is arranged in the detection seat 4, a lifting component capable of pushing the movable frame 22 to move is arranged in the first transmission component, a fixed feedback component is arranged on the movable end of the detection seat 4, a flexible supporting surface 41 capable of contacting with the bottom of the vehicle is fixedly arranged on the top surface of the non-movable end of the detection seat 4, the distance between the detection seat 4 and the first transmission seat 2 and the second transmission seat 3 is always equal.
The second transmission seat 3 is moved so that the center line distance of the first transmission seat 2 and the second transmission seat 3 is equal to the wheel base of the detected vehicle, at the moment, the distance between the detection seat 4 and the first transmission seat 2 and the distance between the detection seat 4 and the second transmission seat 3 are always equal, then the vehicle is started so that the front wheel and the rear wheel of the vehicle sequentially move onto the first transmission seat 2 and the second transmission seat 3, when the front wheel of the vehicle passes over the first transmission seat 2, all lifting assemblies are controlled to move to the lowest point, at the moment, the moving end of the detection seat 4 is not contacted with the vehicle bottom plate 1, the flexible supporting surface 41 of the detection seat 4 is not contacted with the vehicle bottom, when the rear wheel of the vehicle is just contacted with the conveyor belt 24 on the first transmission seat 2, at the moment, the front wheel of the vehicle is just contacted with the conveyor belt 24 on the second transmission seat 3, the conveyor belt 245 is inclined and simultaneously moves downwards along with the square frame in the vertical direction, then the vehicle continuously runs, when the rear wheel of the vehicle moves to the centre of the conveyor belt 24, the conveyor belt 24 is now horizontal, the moving frame 22 drives the conveyor belt 24 to move downwards in a vertical direction, the vehicle falls on the flexible supporting surface 41, the rear wheel of the vehicle is still rotating but the vehicle cannot move, the whole vehicle is lifted by the lifting assembly on the lifting seat, the position of the moving frame 22 is fixed by the lifting assembly on the first and second conveying seats, the conveyor belt 24 is then started to adapt the speed of the conveyor belt to the form speed of the vehicle, the vehicle is then moved to the position where the wheels of the vehicle are in contact with the conveyor belt 24 by the lifting seat, the vehicle is controlled to brake, the fixed feedback assembly will detect and record data, compared with the prior art, the second conveying seat 3 and the lifting seat sliding arrangement of the invention ensures that the fixed feedback assembly can be located at the bottom centre of the vehicle, through the cooperation of movable frame 22, connecting rod 23 and conveyer belt 24 make the front and back wheel of vehicle move to the center department of conveyer belt 24 simultaneously the vehicle will unable displacement, through the lifting means in detecting seat, first transmission seat 2 and the second transmission seat 3 make and need not to make the wheel stop rotatory, thereby ensure that the fixed feedback subassembly homoenergetic of the detection during operation of carrying out arbitrary vehicle and the bottom center contact of vehicle, need not to spend more time on the position location of vehicle, thereby also need not the navigating mate position location constantly to make the vehicle advance or retreat simultaneously, still improved detection efficiency when making whole detection flow conveniently go on.
See fig. 5-9: the movable frame 22 is connected to the housing 21 by a first elastic member 221, and the square block 231 is connected to the movable frame 22 by a second elastic member 232.
When the conveyor belt 24 is not in contact with an object, the first elastic member 221 and the second elastic member 232 normally release the elastic force at this time, and the moving frame 22 and the square block 231 are at the highest point, compared with the prior art, the first elastic member 221 and the second elastic member 232 define the default positions of the moving frame 22 and the housing 21, so that the conveyor belt 24 can move to a position parallel to the top surface of the housing 21 after the vehicle is not in contact with the conveyor belt 24.
See fig. 5-9: the first transmission seat 2 further comprises a movable strip 25 and a movable block 26, two ends of the connecting rod 23 extend to the outside of the movable frame 22, a circular through hole 251 which can be coaxially and fixedly connected with the connecting rod 23 is formed in the center of the movable strip 25, the movable strip 25 is located at the outside of the movable frame 22 and located inside the shell 21, a first strip sliding groove 211 which is vertically arranged is formed in the shell 21, the movable block 26 is slidably arranged in the first strip sliding groove 211, two second strip sliding grooves 252 which are uniformly distributed around the circular through hole 251 are formed in the movable strip 25, the length direction of the second strip sliding grooves 252 is parallel to the length direction of the movable strip 25, a limiting shaft 261 which is slidably matched with the second strip sliding grooves 252 is fixedly arranged on the movable block 26, and the movable block 26 is connected with the shell 21 through a third elastic piece 262.
When both the moving frame 22 and the square block 231 are at the highest point and the conveyor belt 24 is not in contact with an object, the third elastic piece 262 releases elastic force to push the two movable blocks 26 to be at the same height, the limiting shaft 261 is matched with the second long-strip sliding groove 252 to enable the movable strip 25 to be in a horizontal state, and the fixed rod fixedly connected with the movable strip 25 enables the conveyor belt 24 to be in a horizontal state.
See fig. 6-10: the first transmission seat 2 further comprises a positioning strip 27 and a limiting frame 28, the positioning strip 27 is arranged on the shell 21 in a sliding mode, the sliding direction of the positioning strip 27 is parallel to the axis of the connecting rod 23, two positioning holes 222 for the positioning strip 27 to be inserted are formed in each side wall of the moving frame 22, one end of the positioning strip 27 can extend to the outside of the shell 21, a third strip sliding groove 271 is formed in one end of the positioning strip 27, which can extend to the outside of the shell 21, the limiting frame 28 is arranged on the outside of the shell 21 in a sliding mode, the sliding direction of the limiting frame 28 is parallel to the sliding direction of the first transmission seat 2, the limiting frame 28 is sleeved on the positioning strip 27, a fixing shaft 281 which can be in sliding fit with the third strip sliding groove 271 is fixedly arranged on the limiting frame 28, the positioning strip 27 can be driven to move when the limiting frame 28 moves, and a magnetic block 263 which can be in anisotropic magnetic fit with the limiting frame 28 is fixedly arranged on the movable block 26.
When the rear wheel of the vehicle just contacts with the conveyor belt 24, the conveyor belt 24 is inclined and moves downwards along with the square block 231, at this time, the two movable blocks 26 on the same side are separated from the positioning hole 222 under the action of the inclined movable bar 25, at this time, the magnetic block 263 is not at the same height as the positioning frame 28, the positioning frame 28 is not displaced, the positioning bar 27 is still inserted into the positioning hole 222 to fix the position of the movable frame 22, when the rear wheel of the vehicle moves to the center of the conveyor belt 24, at this time, the movable bar 25 rotates to be in a horizontal state, the two movable blocks 26 on the same side are at the same height and are horizontal with the positioning frame 28, the positioning bar 27 is moved under the action of magnetic force, so that the positioning bar 27 is separated from the positioning hole 222 through the cooperation of the third long sliding groove 271 and the fixed shaft 281, at this time, the movable frame 22 drives the whole conveyor belt 24 to move downwards, and compared with the prior art, the positioning bar 27 is separated from the positioning hole 222 when the positioning bar 28 and the magnetic block 263 cooperate to move the vehicle to a proper position, thus the position of the vehicle is automatically determined.
See fig. 9 and 10: the two limiting frames 28 on the same side are connected through a fourth elastic piece 282, and the fourth elastic piece 282 enables the two connected limiting frames 28 to be close to each other.
When the magnetic member is not magnetically engaged with the limiting frame 28, the fourth elastic member 282 provides a tensile force to enable the two limiting frames 28 on the same side to approach each other.
See fig. 6-10: the end of the positioning bar 27 inside the housing 21 is provided as a slope capable of sliding fit with the moving frame 22.
When the moving frame 22 moves up under the elastic force of the first elastic member 221, the fourth elastic member 282 works to make the two limiting frames 28 on the same side approach each other, the positioning bar 27 is inserted into the housing 21, the moving frame 22 contacts with the inclined surface of the positioning bar 27 to push the positioning bar 27 to move towards the outside of the housing 21, and when the moving frame 22 moves to a certain height, the positioning bar 27 is inserted into the positioning hole 222, compared with the prior art, the positioning bar 27 of the present invention is provided with the inclined surface to contact with the moving frame 22 moving up, so as not to block the upward movement of the moving frame 22.
See fig. 6-9: the first transmission seat 2 further comprises a first servo motor 29, the end part of the transmission belt 245 extends to the outside of the side plate 241 and is coaxially and fixedly connected with a first gear 243, a second fixing plate 244 capable of fixing the first servo motor 29 extends on the side plate 241 of the transmission belt 24, the first servo motor 29 is positioned below the transmission belt 24, an output shaft of the first servo motor 29 points to the outside of the side plate 241 and is coaxially and fixedly connected with a second gear 291, and the first gear 243 and the second gear 291 are connected through the transmission belt 245.
Compared with the prior art, the first servo motor 29 is arranged below the conveyor belt 24 and drives the conveyor belt 24 to work through the cooperation of the gears and the conveyor belt 245, so that the conveyor belt 24 is prevented from collision with the movable frame 22 when rotating.
See fig. 1-4: the second transmission seat 3 further comprises a second servo motor 31 and a threaded rod 32, the second servo motor 31 is fixedly arranged on the shell 21 of the second transmission seat 3, the threaded rod 32 is in transmission connection with the second servo motor 31, the threaded rod 32 sequentially penetrates through the shell 21 of the second transmission seat 3, the detection seat 4 and the shell 21 of the first transmission seat 2, the threaded rod 32 is in sliding fit with the shell 21 of the second transmission seat 3, the threaded rod 32 is in sliding fit with the detection seat 4, the threaded rod 32 is in threaded fit with the shell 21 of the first transmission seat 2, and a fifth elastic piece 33 is sleeved on the position of the threaded rod 32 exposed to the outside.
The second servo motor 31 is started, the second servo motor 31 drives the threaded rod 32 to rotate, the threaded rod 32 is in threaded fit with the upper shell 21 of the first transmission seat 2 when rotating, the distance between the second transmission seat 3 and the first transmission seat 2 is changed, and the fifth elastic piece 33 compresses or stretches accordingly, so that the distance between the detection seat 4 and the first transmission seat 2 and the second transmission seat 3 is always equal.
See fig. 2-4: the shell 21 of the second transmission seat 3 and the detection seat 4 are both provided with rollers 5, and the rollers 5 penetrate through the bottom plate 1 to be contacted with the ground.
The roller 5 rotates with the second transmission seat 3 and the detection seat 4 when moving, compared with the prior art, the roller 5 reduces friction generated when the second transmission seat 3 and the detection seat 4 move, thereby facilitating the movement of the second transmission seat 3 and the detection seat 4.
See fig. 1: the detection seat 4 is provided with two movable plates 42 which are capable of supporting wheels in a sliding manner, the two movable plates 42 respectively point to the first transmission seat 2 and the second transmission seat 3, the sliding direction of the movable plates 42 is parallel to that of the second transmission seat 3, one end, far away from the detection seat 4, of the movable plates 42 is provided with a fixing hole 43, and the shell 21 is fixedly provided with a fixing protrusion 212 which can be inserted into the fixing hole 43.
When the second transmission seat 3 moves, the detection seat 4 moves along with the occurrence position, and at the moment, the two movable plates 42 also move along with the occurrence position, compared with the prior art, the movable plates 42 of the invention ensure that supports exist between the detection seat 4 at any position and the first transmission seat 2 and the second transmission seat 3, thereby ensuring that wheels can pass through the first transmission seat 2, the detection seat 4 and the second transmission seat 3 in sequence.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. An ABS braking performance detection device comprises a bottom plate (1), a first transmission seat (2), a second transmission seat (3) and a detection seat (4), and is characterized in that the first transmission seat (2) comprises a shell (21), a movable frame (22), a connecting rod (23) and a conveying belt (24);
the movable frame (22) is U-shaped as a whole, two side walls of the movable frame (22) are upwards arranged along the vertical direction, the movable frame (22) is arranged inside the shell (21) in a sliding manner along the vertical direction, and the shell (21) is fixedly arranged on the bottom plate (1);
the two ends of the connecting rod (23) are coaxially and rotatably sleeved with square blocks (231), the square blocks (231) are slidably arranged in the side walls of the movable frame (22) along the vertical direction, and the connecting axial line is parallel to the central connecting lines of the two side walls of the movable frame (22);
a first fixing plate (242) which can be rotationally connected with the connecting rod (23) is fixedly arranged on the side plate (241) of the conveyor belt (24), the conveying direction of the conveyor belt (24) is perpendicular to the axis of the connecting rod (23), when the square block (231) and the movable frame (22) are at the highest point, the upper surface of the conveyor belt (24) which is at the level at the moment is parallel to the top surface of the shell (21), when the wheel is not at the central position of the conveyor belt (24), the conveyor belt (24) is inclined, the square block (231) moves downwards to the lowest point, and when the wheel is at the central position of the conveyor belt (24), the conveyor belt (24) is parallel and the movable frame (22) moves downwards to the lowest point;
the second transmission seat (3) is arranged on the bottom plate (1) in a sliding manner along the conveying direction of the conveying belt (24), and the structure of the second transmission seat (3) is the same as that of the first transmission seat (2);
the lifting assembly capable of lifting the vehicle is arranged in the detection seat (4), the lifting assembly capable of pushing the movable frame (22) to move is arranged in the first transmission assembly, the fixed feedback assembly is arranged on the movable end of the detection seat (4), the flexible supporting surface (41) capable of being in contact with the bottom of the vehicle is fixedly arranged on the top surface of the non-movable end of the detection seat (4), and the distance between the detection seat (4) and the first transmission seat (2) and the distance between the detection seat and the second transmission seat (3) are always equal;
the movable frame (22) is connected with the shell (21) through a first elastic piece (221), and the square block (231) is connected with the movable frame (22) through a second elastic piece (232);
the first transmission seat (2) further comprises a movable strip (25) and a movable block (26);
the two ends of the connecting rod (23) extend to the outside of the movable frame (22), a circular through hole (251) which can be coaxially and fixedly connected with the connecting rod (23) is formed in the center of the movable strip (25), the movable strip (25) is positioned at the outside of the movable frame (22) and is positioned in the shell (21), a first vertically arranged long-strip sliding groove (211) is formed in the shell (21), a movable block (26) is slidably arranged in the first long-strip sliding groove (211), two second long-strip sliding grooves (252) uniformly distributed around the circular through hole (251) are formed in the movable strip (25), the length direction of the second long-strip sliding grooves (252) is parallel to the length direction of the movable strip (25), a limiting shaft (261) which is slidably matched with the second long-strip sliding grooves (252) is fixedly arranged on the movable block (26), and the movable block (26) is connected with the shell (21) through a third elastic piece (262);
the first transmission seat (2) further comprises a positioning strip (27) and a limiting frame (28);
the positioning strip (27) is arranged on the shell (21) in a sliding mode, the sliding direction of the positioning strip (27) is parallel to the axis of the connecting rod (23), two positioning holes (222) for the positioning strip (27) to be inserted are formed in each side wall of the moving frame (22), one end of the positioning strip (27) can extend to the outside of the shell (21), a third long-strip sliding groove (271) is formed in one end of the positioning strip (27) which can extend to the outside of the shell (21), a limiting frame (28) is arranged on the outside of the shell (21) in a sliding mode, the sliding direction of the limiting frame (28) is parallel to the sliding direction of the first transmission seat (2), the limiting frame (28) is sleeved on the positioning strip (27), a fixed shaft (281) which can be in sliding fit with the third long-strip sliding groove (271) is fixedly arranged on the limiting frame (28), the limiting frame (28) can drive the positioning strip (27) to move when moving, and a magnetic force block (263) which can be in magnetic force opposite fit with the limiting frame (28) is fixedly arranged on the movable block (26);
the second transmission seat (3) further comprises a second servo motor (31) and a threaded rod (32);
the second servo motor (31) is fixedly arranged on the shell (21) of the second transmission seat (3), the threaded rod (32) is in transmission connection with the second servo motor (31), the threaded rod (32) sequentially penetrates through the shell (21) of the second transmission seat (3), the detection seat (4) and the shell (21) of the first transmission seat (2), the threaded rod (32) is in sliding fit with the shell (21) of the second transmission seat (3), the threaded rod (32) is in sliding fit with the detection seat (4), the threaded rod (32) is in threaded fit with the shell (21) of the first transmission seat (2), and a fifth elastic piece (33) is sleeved on the exposed position of the threaded rod (32).
2. An ABS braking performance detecting device according to claim 1, wherein two stopper frames (28) on the same side are connected by a fourth elastic member (282), and the fourth elastic member (282) brings the two connected stopper frames (28) close to each other.
3. An ABS braking performance detecting device according to claim 2, wherein the end of the positioning strip (27) inside the housing (21) is provided as a slope capable of sliding fit with the movable frame (22).
4. An ABS braking performance detection device according to claim 3 wherein the first transmission seat (2) further comprises a first servo motor (29);
the tip of drive belt (245) extends to curb plate (241) outside and coaxial fixedly connected with first gear (243), extend on curb plate (241) of conveyer belt (24) have second fixed plate (244) that can fix first servo motor (29), first servo motor (29) are in the below of conveyer belt (24), the directional curb plate (241) outside of output shaft of first servo motor (29) and coaxial fixedly connected with second gear (291), first gear (243) and second gear (291) are connected through conveyer belt (245).
5. An ABS braking performance detection device according to claim 4 wherein the housing (21) of the second transmission seat (3) and the detection seat (4) are provided with rollers (5), the rollers (5) penetrating through the base plate (1) to contact the ground.
6. The ABS braking performance detecting apparatus according to claim 5, wherein two movable plates (42) capable of supporting wheels are slidably provided on the detecting base (4), the two movable plates (42) are respectively directed to the first transmission base (2) and the second transmission base (3), the sliding direction of the movable plates (42) is parallel to the sliding direction of the second transmission base (3), a fixing hole (43) is provided at one end of the movable plates (42) away from the detecting base (4), and a fixing protrusion (212) capable of being inserted into the fixing hole (43) is fixedly provided on the housing (21).
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| CN202311102732.7A CN116839945B (en) | 2023-08-30 | 2023-08-30 | ABS braking performance check out test set |
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| CN202311102732.7A CN116839945B (en) | 2023-08-30 | 2023-08-30 | ABS braking performance check out test set |
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| CN116839945B true CN116839945B (en) | 2023-11-07 |
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| JPH07243946A (en) * | 1994-03-01 | 1995-09-19 | Nissan Altia Co Ltd | Braking performance measuring device for vehicle |
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| CN116839945A (en) | 2023-10-03 |
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