CN114964759A - Performance detection device and detection method for automatic brake clearance adjusting arm - Google Patents
Performance detection device and detection method for automatic brake clearance adjusting arm Download PDFInfo
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- CN114964759A CN114964759A CN202210749168.7A CN202210749168A CN114964759A CN 114964759 A CN114964759 A CN 114964759A CN 202210749168 A CN202210749168 A CN 202210749168A CN 114964759 A CN114964759 A CN 114964759A
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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
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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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
Abstract
The invention relates to a performance detection device of a brake clearance automatic adjusting arm and a detection method thereof, the performance detection device comprises a base, a torque mechanism for driving an operating lever to rotate and collecting torque data of the operating lever, a positioning die for placing the brake clearance automatic adjusting arm, a load mechanism for pressing a shell on the positioning die, a clamping mechanism and a force supply and camera detection mechanism which can be clamped at two sides of the brake clearance automatic adjusting arm, wherein the load mechanism is also used for being matched with a spline shaft and supplying torque to the spline shaft and collecting torque data of the spline shaft, the force supply and camera detection mechanism is provided with a camera for shooting a rotating angle of a hexagonal head, the base is also provided with a control device, an operation key and a display screen, the working process of the adjusting arm is repeatedly simulated, and the rotating angle of the hexagonal head and the magnitude of applied force are monitored in real time, finally, the performance of the adjusting arm can be detected through calculation.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of automobile parts, in particular to a performance detection device and a detection method for an automatic brake clearance adjusting arm.
[ background of the invention ]
The brake clearance automatic adjusting arm is also called as a brake clearance automatic adjusting arm, and is called as an automatic adjusting arm for short. When an automobile runs on a road, frequent brake stepping can cause continuous abrasion of a brake shoe and a brake drum, and a gap between the brake shoe and the brake drum begins to become large; finally, the stroke of the push rod of the brake air chamber is lengthened, the thrust is reduced, and brake lag and brake force reduction are caused. The automatic clearance automatic adjusting arm is a device for adjusting and controlling the clearance between the brake and the brake, and can automatically and timely adjust the clearance increased by abrasion, so that the brake clearance is always kept in a design range.
Therefore, it is very necessary to ensure the safety of a qualified automatic adjusting arm in the driving process, and the application aims to provide a performance detection device and a detection method of the brake clearance automatic adjusting arm, so that the stability of the function of each automatic adjusting arm can be ensured from factory to use, and the damaged product is prevented from flowing into a user for use.
[ summary of the invention ]
In order to solve the above problems, the present invention provides a performance detection device for an automatic brake clearance adjusting arm and a detection method thereof, which are used for testing the performance of the automatic brake clearance adjusting arm. Through the working process of the repeatedly simulated adjusting arm, the spline turbine rotating angle of the repeatedly simulated adjusting arm is monitored in real time, the force applied to the automatic adjusting arm hexagonal head is evaluated, the working stability of the automatically adjusted adjusting arm is evaluated, and finally the rotating degree of the automatic adjusting arm hexagonal head in the adjusting completion state can be detected through calculation.
In order to achieve the purpose, the invention provides the following technical scheme:
a performance detection device of an automatic brake clearance adjusting arm comprises a shell 11, an operating lever 12 which is arranged on the shell 11 and can rotate relative to the shell, a spline shaft 13 which is arranged in a rotating hole in the middle of the shell 11 and a hexagonal head 14 which is arranged in the shell 11, the performance detection device comprises a base 2, a torque mechanism 3 which is used for driving the operating lever 12 to rotate and collecting torque data of the operating lever 12, a positioning die 4 which is used for placing the automatic brake clearance adjusting arm 1, a load mechanism 5 which is used for pressing the shell 11 on the positioning die 4, a clamping mechanism 6 which can be clamped on two sides of the automatic brake clearance adjusting arm 1 and a force giving and camera detection mechanism 7 are arranged on the base 2, the load mechanism 5 is also used for being matched with the spline shaft 13, giving torque to the spline shaft 13 and collecting torque data of the spline shaft 13, the force giving and camera detecting mechanism 7 is provided with a camera 79 for shooting the rotation angle of the hexagonal head 14, the base 2 is further provided with a control device, an operation key 8 and a display screen 9, and the torque mechanism 3, the load mechanism 5, the clamping mechanism 6, the force giving and camera detecting mechanism 7, the operation key 8 and the display screen 9 are respectively connected with the control device.
As a preferred embodiment, further defined is: the torque mechanism 3 includes servo steering wheel 31, torque sensor 32 and groove claw piece 33 with servo steering wheel 31's output shaft, groove claw piece 33 includes transverse connection portion 331, transverse connection portion 331's one end is connected with torque sensor 32's upper end, transverse connection portion 331's the other end is connected with the vertical connecting portion 332 that is located its upper end, the upper end of vertical connecting portion 332 is provided with clamps portion 333, the upper end edge ring that clamps portion 333 is equipped with a plurality of fixture blocks 334 be formed with the confession between the fixture block 334 the space 335 that clamps that the tip of control lever 12 was gone into.
As a preferred embodiment, further defined as: the clamping mechanism 6 comprises a first clamping cylinder 61 fixedly arranged on the base 2, a lower wedge-shaped module 62 connected with an output shaft of the first clamping cylinder 61, an upper wedge-shaped module 63 movably connected with the lower wedge-shaped module 62, and a clamping block 64 fixedly connected with the upper wedge-shaped module 63 and capable of being abutted to one side of the automatic braking gap adjusting arm 1, wherein when the first clamping cylinder 61 drives the lower wedge-shaped mold to move upwards, the upper wedge-shaped module 63 and the clamping block 64 synchronously move upwards and move towards the direction of the six-direction head 14, and when the first clamping cylinder 61 drives the lower wedge-shaped mold to move downwards, the upper wedge-shaped module 63 and the clamping block 64 synchronously move downwards and move towards the direction away from the six-direction head 14.
As a preferred embodiment, further defined is: the load mechanism 5 comprises a longitudinal slide rail 51, a support member 52 and a first driving motor 53, wherein the support member 52 is arranged on the longitudinal slide rail 51 and can slide up and down relative to the longitudinal slide rail 51, the first driving motor is used for driving the support member 52 to slide up and down relative to the longitudinal slide rail 51, the support member 52 is provided with a pressing assembly 54 used for pressing the shell 11 on the positioning die 4, the support member 52 is further provided with a second driving motor 55, an output shaft of the second driving motor 55 is connected with an elastic connection assembly matched with the spline shaft 13, and an output shaft of the second driving motor 55 is further connected with a torsion sensor 56.
As a preferred embodiment, further defined is: the elastic connecting assembly comprises an elastic fixing seat 57 connected with an output shaft of the second driving motor 55, an elastic space 570 is arranged in the elastic fixing seat 57, a spring 58 and a spline connecting shaft 59 are arranged in the elastic space, and the lower end of the spline connecting shaft 59 extends out of the elastic space.
As a preferred embodiment, further defined is: the force giving and camera detecting mechanism 7 comprises a transverse guide rail 71 arranged on the base 2, a transverse sliding plate 72 arranged on the transverse guide rail 71, and a second clamping cylinder 73 driving the transverse sliding plate 72 to reciprocate along the transverse guide rail 71, wherein a longitudinal fixing plate 74 is arranged on the transverse sliding plate 72, a longitudinal guide rail 75, a longitudinal sliding plate 76 movably connected with the longitudinal guide rail 75, and a third driving motor 77 driving the longitudinal sliding plate 76 to reciprocate along the longitudinal guide rail 75 are arranged on the longitudinal fixing plate 74, and a hexagonal pressure head 78 capable of being abutted against the hexagonal head 14 is arranged on the longitudinal sliding plate 76.
As a preferred embodiment, further defined is: the longitudinal fixing plate 74 is provided with a photographing through hole 740, and the camera 79 is provided on the lateral sliding plate 72 and photographs the hexagonal head 14 through the photographing through hole 740.
As a preferred embodiment, further defined is: and a light supplementing lamp 701 positioned between the positioning die 4 and the force supply and camera detection mechanism 7 is also arranged on the base 2.
A detection method of an automatic brake clearance adjusting arm adopts the performance detection device, and comprises the following steps:
step S1, preparing a brake clearance automatic adjusting arm and a performance detection device;
the automatic brake clearance adjusting arm 1 comprises a shell 11, an operating lever 12 which is arranged on the shell 11 and can rotate relative to the shell, a spline shaft 13 which is arranged in a rotating hole in the middle of the shell 11 and a hexagon head 14 which is arranged in the shell 11;
the performance detection device comprises a base 2, wherein a torque mechanism 3, a positioning die 4, a loading mechanism 5, a clamping mechanism 6, a force supply and camera detection mechanism 7, a control device, an operation key 8 and a display screen 9 are arranged on the base 2, and the torque mechanism 3, the loading mechanism 5, the clamping mechanism 6, the force supply and camera detection mechanism 7, the operation key 8 and the display screen 9 are respectively connected with the control device;
the torque mechanism 3 comprises a servo steering engine 31, a torque sensor 32 connected with an output shaft of the servo steering engine 31 and a slotted claw member 33, the slotted claw member 33 comprises a transverse connecting part 331, one end of the transverse connecting part 331 is connected with the upper end of the torque sensor 32, the other end of the transverse connecting part 331 is connected with a vertical connecting part 332 positioned at the upper end of the transverse connecting part 331, the upper end of the vertical connecting part 332 is provided with a clamping part 333, the edge of the upper end of the clamping part 333 is annularly provided with a plurality of clamping blocks 334, and a clamping space 335 for clamping the end part of the operating lever 12 is formed between the clamping blocks 334;
the load mechanism 5 comprises a longitudinal slide rail 51, a support member 52 which is arranged on the longitudinal slide rail 51 and can slide up and down relative to the longitudinal slide rail 51, and a first driving motor 53 which drives the support member 52 to slide up and down relative to the longitudinal slide rail 51, wherein a pressing assembly 54 which is used for pressing the shell 11 on the positioning die 4 is arranged on the support member 52, a second driving motor 55 is also arranged on the support member 52, an output shaft of the second driving motor 55 is connected with an elastic connecting assembly, and an output shaft of the second driving motor 55 is also connected with a torsion sensor 56; the elastic connecting assembly comprises an elastic fixing seat 57 connected with an output shaft of the second driving motor 55, an elastic space 570 is arranged in the elastic fixing seat 57, a spring 58 and a spline connecting shaft 59 are arranged in the elastic space, and the lower end of the spline connecting shaft 59 extends out of the elastic space;
the clamping mechanism 6 comprises a first clamping cylinder 61 fixedly arranged on the base 2, a lower wedge-shaped module 62 connected with an output shaft of the first clamping cylinder 61, an upper wedge-shaped module 63 movably connected with the lower wedge-shaped module 62, and a clamping block 64 fixedly connected with the upper wedge-shaped module 63 and capable of abutting against one side of the hexagonal head 14;
the force supply and camera detection mechanism 7 comprises a transverse guide rail 71 arranged on the base 2, a transverse sliding plate 72 arranged on the transverse guide rail 71, and a second clamping cylinder 73 driving the transverse sliding plate 72 to reciprocate along the transverse guide rail 71, wherein a longitudinal fixing plate 74 is arranged on the transverse sliding plate 72, a longitudinal guide rail 75, a longitudinal sliding plate 76 movably connected with the longitudinal guide rail 75, and a third driving motor 77 driving the longitudinal sliding plate 76 to reciprocate along the longitudinal guide rail 75 are arranged on the longitudinal fixing plate 74, and a hexagonal pressure head 78 capable of being abutted against the hexagonal head 14 is arranged on the longitudinal sliding plate 76; a shooting through hole 740 is formed in the longitudinal fixing plate 74, and a camera 79 capable of shooting the hexagonal head 14 through the shooting through hole 740 is arranged on the transverse sliding plate 72;
step S2, placing the automatic braking gap adjusting arm 1 on the positioning mold 4, and clamping the end part of the operating rod 12 into the clamping space 335;
step S3, pressing the operation button 8, the first driving motor 53 drives the supporting member 52 to move downward, so that the pressing assembly 54 presses the housing 11 onto the positioning mold 4; the second driving motor 55 is slowly started so that the spline connecting shaft 59 is engaged with the spline shaft 13 and gives a torque to the spline shaft 13;
step S4, the first clamping cylinder 61 drives the lower wedge module 62 to move upward, so that the upper wedge module 63 and the clamping block 64 move upward synchronously and move toward the direction of the hexagonal head 14 and abut against the side end of the automatic braking gap adjusting arm 1; after the third driving motor 77 drives the longitudinal sliding plate 76 and the hexagonal ram 78 to move downwards, the second clamping cylinder 73 drives the transverse sliding plate 72 to slide along the transverse guide rail 71 and abut against the hexagonal head 14, so that the automatic brake clearance adjusting arm 1 is clamped;
step S5, the torque mechanism 3 rotates the operating lever 12 clockwise to the stop point, and presses the operating button 8 to make the second clamping cylinder 73 and the first driving motor 53 continuously apply pressure to the automatic brake clearance adjusting arm 1;
step S6, the torque mechanism 3 drives the operating rod 12 to rotate 12 +/-1 degrees clockwise, and then drives the operating rod 12 to rotate 12 +/-1 degrees anticlockwise;
step S7, pressing the operation button 8 to make the second clamping cylinder 73 drive the transverse sliding plate 72 to slide along the transverse guide rail 71 to be away from the contact with the hexagonal head 14, and the third driving motor 77 drives the longitudinal sliding plate 76 and the hexagonal ram 78 to move upwards; the torque mechanism 3 drives the operating lever 12 to rotate 60-90 degrees clockwise, and the camera 79 shoots the actual rotation angle of the hexagonal head 14.
As a preferred embodiment, further defined is: the load force output by the second drive motor 55 is 40Nm, the output force of the second clamping cylinder 73 is 4.8KN, and in step S6, the torque mechanism 3 rotates the operating lever 12 clockwise by 12 °, and rotates the operating lever 12 counterclockwise by 12 °.
The beneficial effects of the invention are as follows: the invention can detect the performance of the adjusting arm through calculation finally, evaluate whether the adjusting arm is qualified or not, effectively prevent products with unqualified quality from flowing into the market and ensure the driving safety by repeatedly simulating the working process of the adjusting arm and monitoring the rotating angle of the hexagonal head and the magnitude of the applied force in real time.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of the invention;
FIG. 2 is a schematic view of the automatic brake clearance adjusting arm;
FIG. 3 is a schematic structural view of a torque mechanism, a positioning die and a clamping mechanism;
FIG. 4 is a schematic structural diagram of a torque mechanism;
FIG. 5 is a schematic view of the load mechanism;
FIG. 6 is an enlarged schematic view at A in FIG. 5;
fig. 7 is a schematic structural view of the force supply and camera detection mechanism.
[ detailed description ] embodiments
The invention is described in further detail below with reference to the following figures and detailed description:
as shown in fig. 1 to 7, the performance detection device for the automatic brake clearance adjusting arm includes a housing 11, an operating lever 12 disposed on the housing 11 and capable of rotating relative to the housing, a spline shaft 13 disposed in a rotating hole in the middle of the housing 11, and a hexagonal head 14 disposed in the housing 11, and further, the hexagonal head 14 is disposed at the lower portion of the housing 11, the operating lever 12 rotates counterclockwise by an angle m, and fluctuates within a range of n °, where m is 70 ° and n is 60 ° to 90 °. The performance detection device comprises a base 2, wherein a torque mechanism 3 for driving an operating lever 12 to rotate and acquiring torque data of the operating lever 12, a positioning die 4 for placing the brake gap automatic adjusting arm 1, a load mechanism 5 for pressing a shell 11 on the positioning die 4, a clamping mechanism 6 and a force supply and camera detection mechanism 7 which can be clamped at two sides of the brake gap automatic adjusting arm 1 are arranged on the base 2, the load mechanism 5 is also used to engage with the spline shaft 13 and give torque to the spline shaft 13 and collect torque data of the spline shaft 13, the force supply and camera detection mechanism 7 is provided with a camera 79 for photographing the rotation angle of the hexagonal head 14, the base 2 is also provided with a control device, a plurality of operation keys 8 and a display screen 9, wherein the operation keys 8 are used for respectively controlling different device mechanisms or controlling different operations. The display screen 9 is used for displaying data. The torque mechanism 3, the load mechanism 5, the clamping mechanism 6, the force supply and camera detection mechanism 7, the operation key 8 and the display screen 9 are respectively connected with the control device. The working process of the adjusting arm is simulated repeatedly, the rotation angle of the hexagonal head and the force applied are monitored in real time, and finally the performance of the adjusting arm can be detected through calculation.
More specifically, as shown in fig. 3 and fig. 4, the torque mechanism 3 includes a servo steering engine 31, a torque sensor 32 connected to an output shaft of the servo steering engine 31, and a slotted claw member 33, the slotted claw member 33 includes a transverse connecting portion 331, one end of the transverse connecting portion 331 is connected to an upper end of the torque sensor 32, the other end of the transverse connecting portion 331 is connected to a vertical connecting portion 332 located at an upper end thereof, an upper end of the vertical connecting portion 332 is provided with a clamping portion 333, an upper end edge of the clamping portion 333 is provided with a plurality of clamping blocks 334 in a surrounding manner, and a clamping space 335 into which an end portion of the operating lever 12 is clamped is formed between the clamping blocks 334. In the present embodiment, the transverse connecting portion 331 and the vertical connecting portion 332 are a single piece. The torque sensor 32 collects the torque data of the joystick 12 and transmits the data to the control device for calculation and real-time display through the display screen 9.
In this embodiment, as shown in fig. 3, the clamping mechanism 6 includes a first clamping cylinder 61 fixedly disposed on the base 2, a lower wedge module 62 connected to an output shaft of the first clamping cylinder 61, an upper wedge module 63 movably connected to the lower wedge module 62, and a clamping block 64 fixedly connected to the upper wedge module 63 and capable of abutting against one side of the automatic braking gap adjusting arm 1, when the first clamping cylinder 61 drives the lower wedge-shaped die to move upwards, the upper wedge-shaped die set 63 and the clamping block 64 move towards the direction of the six-direction head 14 while synchronously moving upwards, when the first clamping cylinder 61 drives the lower wedge-shaped die to move downwards, the upper wedge-shaped die set 63 and the clamping block 64 synchronously move downwards and move towards the direction departing from the hexagonal head 14, the design is ingenious, the upper wedge module 62 and the upper wedge module 63 are matched to realize the upward and downward inclined moving direction.
In this embodiment, as shown in fig. 5, the load mechanism 5 includes a longitudinal slide rail 51, a supporting member 52 disposed on the longitudinal slide rail 51 and capable of sliding up and down relative to the longitudinal slide rail 51, and a first driving motor 53 for driving the supporting member 52 to slide up and down relative to the longitudinal slide rail 51, where the first driving motor 53 is a screw rod motor. The first drive motor 53 is disposed above the longitudinal slide rail 51 and is not slidable. The support 52 slides on the longitudinal slide 51 by the power provided by the lead screw assembly. The support 52 is provided with a pressing assembly 54 for pressing the housing 11 onto the positioning mold 4, and the support 52 is further provided with a second driving motor 55, where the second driving motor 55 is a servo motor. The output shaft of the second driving motor 55 is connected with an elastic connection assembly matched with the spline shaft 13, and the output shaft of the second driving motor 55 is also connected with a torsion sensor 56. Furthermore, the elastic connection assembly comprises an elastic fixing seat 57 connected with an output shaft of the second driving motor 55, an elastic space 570 is arranged in the elastic fixing seat 57, a spring 58 and a spline connection shaft 59 are arranged in the elastic space, and the lower end of the spline connection shaft 59 extends out of the elastic space. The second driving motor 55 provides 40Nm of power to make the elastic connection assembly and the pressing assembly 54 generate torque to the spline shaft 13 to press the spline shaft 13 of the automatic braking gap adjusting arm 1, and the torque is fed back to the display screen 9 through the spring 58 and the torque sensor 56.
In this embodiment, as shown in fig. 7, the force providing and camera detecting mechanism 7 includes a transverse guide rail 71 disposed on the base 2, a transverse sliding plate 72 disposed on the transverse guide rail 71, and a second clamping cylinder 73 driving the transverse sliding plate 72 to reciprocate along the transverse guide rail 71, a longitudinal fixing plate 74 is disposed on the transverse sliding plate 72, a longitudinal guide rail 75, a longitudinal sliding plate 76 movably connected to the longitudinal guide rail 75, and a third driving motor 77 driving the longitudinal sliding plate 76 to reciprocate along the longitudinal guide rail 75 are disposed on the longitudinal fixing plate 74, the third driving motor 77 is a screw rod motor, and the third driving motor 77 is disposed above the longitudinal fixing plate 74 and is non-slidable. The longitudinal slide 76 is powered by a lead screw assembly to slide on the longitudinal rail 75. The longitudinal slide 76 is provided with a hexagonal ram 78 capable of bearing against the hexagonal head 14. The longitudinal fixing plate 74 is provided with a photographing through hole 740, and the camera 79 is provided on the lateral sliding plate 72 and photographs the hexagonal head 14 through the photographing through hole 740. The camera 79 uploads the actual rotation angle of the hexagonal head 14 to the control device by taking a picture and displays it in real time through the display screen 9.
In this embodiment, as shown in fig. 7, a light supplement lamp 701 is further disposed on the base 2 and located between the positioning mold 4 and the force feeding and camera detecting mechanism 7. The light supplement lamp 701 is annular, and a light supplement hole 702 through which the hexagonal pressure head 78 passes or through which the camera 79 takes a picture is formed in the middle of the light supplement lamp.
A method for detecting an automatic brake clearance adjusting arm adopts the performance detection device to detect the automatic brake clearance adjusting arm, and comprises the following steps:
step S1, preparing a brake clearance automatic adjusting arm and a performance detection device;
step S2, placing the automatic brake clearance adjusting arm 1 on the positioning die 4, and clamping the end part of the operating rod 12 into the clamping space 335;
step S3, pressing the operation button 8 with both hands, wherein the first driving motor 53 drives the supporting member 52 to move downward, so that the pressing assembly 54 presses the housing 11 onto the positioning mold 4; the second drive motor 55 is slowly started to enable the spline connecting shaft 59 to be matched with the spline shaft 13 and give torque to the spline shaft 13, and the load force output by the second drive motor 55 is 40 Nm;
step S4, the first clamping cylinder 61 drives the lower wedge module 62 to move upward, so that the upper wedge module 63 and the clamping block 64 move upward synchronously and move toward the direction of the hexagonal head 14 and abut against the side end of the automatic braking gap adjusting arm 1; after the third driving motor 77 drives the longitudinal sliding plate 76 and the hexagonal ram 78 to move downwards, the second clamping cylinder 73 drives the transverse sliding plate 72 to slide along the transverse guide rail 71 and abut against the hexagonal ram 14, so that the brake gap automatic adjusting arm 1 is clamped, and the output force of the second clamping cylinder 73 is 4.8 KN;
step S5, the torque mechanism 3 rotates the operating lever 12 clockwise to a stop point, and when there are several times of "clicks" in the rotating process, the operating button 8 is pressed down to make the second clamping cylinder 73 and the first driving motor 53 continuously apply pressure to the automatic brake gap adjusting arm 1;
step S6, the torque mechanism 3 drives the operating rod 12 to rotate 12 +/-1 degrees clockwise, and then drives the operating rod 12 to rotate 12 +/-1 degrees anticlockwise; more specifically, since the elastic angle of the brake drum is about 11.5 °, the torque mechanism 3 rotates the operating lever 12 clockwise by an optimal angle of 12 °, and then rotates the operating lever 12 counterclockwise by an optimal angle of 12 °.
Step S7, pressing the operation button 8 to make the second clamping cylinder 73 drive the transverse sliding plate 72 to slide along the transverse guide rail 71 to be away from the contact with the hexagonal head 14, and the third driving motor 77 drives the longitudinal sliding plate 76 and the hexagonal ram 78 to move upwards; the torque mechanism 3 drives the operating rod 12 to rotate 60-90 degrees clockwise, the camera 79 shoots the actual rotation angle of the hexagonal head 14, the free clearance angle can be calculated through the transmission ratio, and then whether the free clearance angle is qualified or not is evaluated.
Claims (10)
1. The utility model provides a performance detection device of braking clearance automatic adjustment arm, this braking clearance automatic adjustment arm (1) include casing (11), set up on casing (11) and can be relative its pivoted operating lever (12), set up spline shaft (13) in casing (11) middle part pivoted hole and set up hexagonal head (14) in casing (11), its characterized in that: the performance detection device comprises a base (2), wherein a torque mechanism (3) used for driving an operating rod (12) to rotate and collecting torque data of the operating rod (12), a positioning die (4) used for placing a brake clearance automatic adjusting arm (1), a load mechanism (5) used for pressing a shell (11) on the positioning die (4), a clamping mechanism (6) and a force giving and camera detection mechanism (7) which can be clamped on two sides of the brake clearance automatic adjusting arm (1) are arranged on the base (2), the load mechanism (5) is further used for being matched with a spline shaft (13), giving torque to the spline shaft (13) and collecting torque data of the spline shaft (13), the force giving and camera detection mechanism (7) is provided with a camera (79) used for shooting the rotation angle of a hexagonal head (14), and a control device is further arranged on the base (2), The device comprises an operation key (8) and a display screen (9), wherein the torque mechanism (3), the load mechanism (5), the clamping mechanism (6), the force supply and camera detection mechanism (7), the operation key (8) and the display screen (9) are respectively connected with the control device.
2. The apparatus for detecting the performance of the automatic brake clearance adjusting arm according to claim 1, wherein: torque mechanism (3) include servo steering wheel (31), torque sensor (32) and groove claw spare (33) with the output shaft of servo steering wheel (31), groove claw spare (33) are including horizontal connecting portion (331), the one end of horizontal connecting portion (331) is connected with the upper end of torque sensor (32), the other end of horizontal connecting portion (331) is connected with vertical connecting portion (332) that are located its upper end, the upper end of vertical connecting portion (332) is provided with clamps portion (333), the upper end edge ring that clamps portion (333) is equipped with a plurality of fixture blocks (334) be formed with the confession between fixture block (334) the space (335) that clamps that the tip of control rod (12) was gone into.
3. The apparatus for detecting the performance of the automatic brake clearance adjusting arm according to claim 2, wherein: the clamping mechanism (6) comprises a first clamping cylinder (61) fixedly arranged on the base (2), a lower wedge-shaped module (62) connected with an output shaft of the first clamping cylinder (61), an upper wedge-shaped module (63) movably connected with the lower wedge-shaped module (62), and a clamping block (64) fixedly connected with the upper wedge-shaped module (63) and capable of being abutted against one side of the automatic braking gap adjusting arm (1), when the first clamping cylinder (61) drives the lower wedge-shaped die to move upwards, the upper wedge-shaped die set (63) and the clamping block (64) synchronously move upwards and move towards the direction of the six-direction head (14), when the first clamping cylinder (61) drives the lower wedge-shaped die to move downwards, the upper wedge-shaped die set (63) and the clamping block (64) synchronously move downwards and move towards the direction departing from the hexagonal head (14).
4. The apparatus for detecting the performance of the automatic brake clearance adjusting arm according to claim 3, wherein: load mechanism (5) are in including longitudinal slide rail (51), setting longitudinal slide rail (51) are gone up and can be relative its gliding support piece (52) and drive from top to bottom support piece (52) are relative longitudinal slide rail (51) gliding first driving motor (53) from top to bottom, be provided with on support piece (52) and be used for compressing tightly casing (11) compress tightly subassembly (54) on the location mould (4), still be provided with second driving motor (55) on support piece (52), the output shaft of second driving motor (55) be connected with integral key shaft (13) complex elastic connection subassembly, still be connected with torque sensor (56) on the output shaft of second driving motor (55).
5. The apparatus for detecting the performance of the automatic brake clearance adjusting arm according to claim 4, wherein: elastic connection subassembly includes elastic fixing base (57) with the output shaft of second driving motor (55), be provided with elasticity space (570) in elastic fixing base (57), be provided with spring (58) and spline connection axle (59) in the elasticity space, the lower extreme of spline connection axle (59) stretch out outside the elasticity space.
6. The apparatus for detecting the performance of the automatic brake clearance adjusting arm according to claim 5, wherein: the force giving and camera detecting mechanism (7) comprises a transverse guide rail (71) arranged on the base (2), a transverse sliding plate (72) arranged on the transverse guide rail (71), and a second clamping cylinder (73) driving the transverse sliding plate (72) to reciprocate along the transverse guide rail (71), wherein a longitudinal fixing plate (74) is arranged on the transverse sliding plate (72), a longitudinal guide rail (75), a longitudinal sliding plate (76) movably connected with the longitudinal guide rail (75), and a third driving motor (77) driving the longitudinal sliding plate (76) to reciprocate along the longitudinal guide rail (75) are arranged on the longitudinal fixing plate (74), and a hexagonal pressure head (78) capable of being abutted against the hexagonal head (14) is arranged on the longitudinal sliding plate (76).
7. The apparatus for detecting the performance of the automatic brake clearance adjusting arm according to claim 6, wherein: a shooting through hole (740) is arranged on the longitudinal fixing plate (74), and the camera (79) is arranged on the transverse sliding plate (72) and shoots the hexagonal head (14) through the shooting through hole (740).
8. The apparatus for detecting the performance of the automatic brake clearance adjusting arm according to claim 7, wherein: and a light supplement lamp (701) positioned between the positioning die (4) and the force supply and camera detection mechanism (7) is further arranged on the base (2).
9. A method for detecting a brake clearance automatic adjusting arm, using the performance detecting apparatus according to any one of claims 1 to 8, characterized by comprising the steps of:
step S1, preparing a brake clearance automatic adjusting arm and a performance detection device;
the automatic brake clearance adjusting arm (1) comprises a shell (11), an operating lever (12) which is arranged on the shell (11) and can rotate relative to the shell, a spline shaft (13) which is arranged in a rotating hole in the middle of the shell (11) and a hexagonal head (14) which is arranged in the shell (11);
the performance detection device comprises a base (2), wherein a torque mechanism (3), a positioning die (4), a load mechanism (5), a clamping mechanism (6), a force supply and camera detection mechanism (7), a control device, an operation key (8) and a display screen (9) are arranged on the base (2), and the torque mechanism (3), the load mechanism (5), the clamping mechanism (6), the force supply and camera detection mechanism (7), the operation key (8) and the display screen (9) are respectively connected with the control device;
the torque mechanism (3) comprises a servo steering engine (31), a torque sensor (32) connected with an output shaft of the servo steering engine (31) and a slotted claw piece (33), the slotted claw piece (33) comprises a transverse connecting part (331), one end of the transverse connecting part (331) is connected with the upper end of the torque sensor (32), the other end of the transverse connecting part (331) is connected with a vertical connecting part (332) positioned at the upper end of the transverse connecting part, the upper end of the vertical connecting part (332) is provided with a clamping part (333), the edge of the upper end of the clamping part (333) is annularly provided with a plurality of clamping blocks (334), and a clamping space (335) for clamping the end part of the operating rod (12) is formed between the clamping blocks (334);
the loading mechanism (5) comprises a longitudinal slide rail (51), a support piece (52) which is arranged on the longitudinal slide rail (51) and can slide up and down relative to the longitudinal slide rail, and a first driving motor (53) which drives the support piece (52) to slide up and down relative to the longitudinal slide rail (51), wherein a pressing component (54) which is used for pressing the shell (11) on the positioning die (4) is arranged on the support piece (52), a second driving motor (55) is also arranged on the support piece (52), an output shaft of the second driving motor (55) is connected with an elastic connecting component, and an output shaft of the second driving motor (55) is also connected with a torsion sensor (56); the elastic connecting assembly comprises an elastic fixing seat (57) connected with an output shaft of the second driving motor (55), an elastic space (570) is arranged in the elastic fixing seat (57), a spring (58) and a spline connecting shaft (59) are arranged in the elastic space, and the lower end of the spline connecting shaft (59) extends out of the elastic space;
the clamping mechanism (6) comprises a first clamping cylinder (61) fixedly arranged on the base (2), a lower wedge-shaped module (62) connected with an output shaft of the first clamping cylinder (61), an upper wedge-shaped module (63) movably connected with the lower wedge-shaped module (62), and a clamping block (64) fixedly connected with the upper wedge-shaped module (63) and capable of being abutted to one side of the hexagonal head (14);
the force giving and camera detecting mechanism (7) comprises a transverse guide rail (71) arranged on the base (2), a transverse sliding plate (72) arranged on the transverse guide rail (71), and a second clamping cylinder (73) driving the transverse sliding plate (72) to reciprocate along the transverse guide rail (71), wherein a longitudinal fixing plate (74) is arranged on the transverse sliding plate (72), a longitudinal guide rail (75), a longitudinal sliding plate (76) movably connected with the longitudinal guide rail (75), and a third driving motor (77) driving the longitudinal sliding plate (76) to reciprocate along the longitudinal guide rail (75) are arranged on the longitudinal fixing plate (74), and a hexagonal pressure head (78) capable of being abutted against the hexagonal head (14) is arranged on the longitudinal sliding plate (76); a shooting through hole (740) is formed in the longitudinal fixing plate (74), and a camera (79) capable of shooting the hexagonal head (14) through the shooting through hole (740) is arranged on the transverse sliding plate (72);
s2, placing the automatic brake gap adjusting arm (1) on a positioning die (4), and clamping the end part of the operating rod (12) into a clamping space (335);
step S3, pressing an operation key (8), wherein the first driving motor (53) drives the support piece (52) to move downwards, so that the pressing component (54) presses the shell (11) on the positioning die (4); the second driving motor (55) is slowly started to enable the spline connecting shaft (59) to be matched with the spline shaft (13) and give torque to the spline shaft (13);
step S4, the first clamping cylinder (61) drives the lower wedge-shaped module (62) to move upwards, so that the upper wedge-shaped module (63) and the clamping block (64) synchronously move upwards and simultaneously move towards the direction of the six-direction head (14) and abut against the side end of the automatic braking gap adjusting arm (1); after a third driving motor (77) drives the longitudinal sliding plate (76) and the hexagonal pressure head (78) to move downwards, the second clamping cylinder (73) drives the transverse sliding plate (72) to slide along the transverse guide rail (71) and abut against the hexagonal head (14) so that the automatic brake clearance adjusting arm (1) is clamped;
step S5, the torque mechanism (3) rotates the operating rod (12) clockwise to a stop point, and presses the operating button (8) to enable the second clamping cylinder (73) and the first driving motor (53) to continuously apply pressure to the automatic brake gap adjusting arm (1);
step S6, the torque mechanism (3) drives the operating rod (12) to rotate 12 +/-1 degrees clockwise, and then drives the operating rod (12) to rotate 12 +/-1 degrees anticlockwise;
step S7, pressing the operation key (8) to enable the second clamping cylinder (73) to drive the transverse sliding plate (72) to slide along the transverse guide rail (71) to be separated from the contact with the hexagonal head (14), and the third driving motor (77) drives the longitudinal sliding plate (76) and the hexagonal pressure head (78) to move upwards; the torque mechanism (3) drives the operating rod (12) to rotate 60-90 degrees clockwise, and the camera (79) shoots the actual rotation angle of the hexagonal head (14).
10. The method for detecting a brake clearance automatic adjusting arm according to claim 9, wherein: the load force output by the second driving motor (55) is 40Nm, the output force of the second clamping cylinder (73) is 4.8KN, and in the step S6, the torque mechanism (3) drives the operating rod (12) to rotate 12 degrees clockwise and drives the operating rod (12) to rotate 12 degrees counterclockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210749168.7A CN114964759A (en) | 2022-06-28 | 2022-06-28 | Performance detection device and detection method for automatic brake clearance adjusting arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210749168.7A CN114964759A (en) | 2022-06-28 | 2022-06-28 | Performance detection device and detection method for automatic brake clearance adjusting arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114964759A true CN114964759A (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210749168.7A Pending CN114964759A (en) | 2022-06-28 | 2022-06-28 | Performance detection device and detection method for automatic brake clearance adjusting arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114964759A (en) |
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2022
- 2022-06-28 CN CN202210749168.7A patent/CN114964759A/en active Pending
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