CN111366297B - Detection support of detection device of tire pressure monitoring system - Google Patents
Detection support of detection device of tire pressure monitoring system Download PDFInfo
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- CN111366297B CN111366297B CN201910564410.1A CN201910564410A CN111366297B CN 111366297 B CN111366297 B CN 111366297B CN 201910564410 A CN201910564410 A CN 201910564410A CN 111366297 B CN111366297 B CN 111366297B
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 230000008093 supporting effect Effects 0.000 claims abstract description 18
- 210000000078 claw Anatomy 0.000 claims description 30
- 238000012360 testing method Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 3
- 241000252254 Catostomidae Species 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
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Abstract
The detection support of the detection device of the tire pressure monitoring system comprises a wheel connecting disc arranged in the middle of the axial surface of a wheel to be detected, a support rod arranged along the radial direction of the wheel to be detected, an electric integrated slip ring, and a guide support parallel to the axial direction of the wheel to be detected, wherein the axis of the electric integrated slip ring coincides with the axis of the wheel connecting disc; the invention realizes the detection of the performance and the reliability of the tire pressure monitoring system in a real running environment through the ingenious arrangement of the wheel connecting disc, the electric integrated slip ring and the supporting rod.
Description
Technical Field
The invention relates to the field of automobile road tests, in particular to a detection bracket of a detection device of a tire pressure monitoring system.
Background
The detection device of the tire pressure monitoring system is based on the safety technical condition part 2 of the operating truck of the department of transportation JT T1178.2-2019: test bed manufactured by traction vehicle and trailer and GB26149-2017 passenger vehicle tyre pressure monitoring System Performance requirement and test method. In operation, a tire failure can cause a major traffic accident. The tire pressure monitoring system can assist drivers to control the tire conditions, timely discover tire faults, and avoid traffic accidents to a certain extent. Therefore, according to the conventional standards, it is necessary to detect a tire temperature detecting device carried by a tire of an automobile, and in order to simulate that the tire temperature rises to a value listed in a request during running of the automobile, whether the tire temperature detecting device carried by the tire alarms within a prescribed time.
The common tire pressure monitoring system detection device is used for testing bench equipment in a laboratory. In the running process of the automobile, the internal air pressure state of the automobile tire in actual running is not simulated by laboratory bench test equipment and is influenced by factors such as road surface flatness, automobile self-load, automobile chassis and suspension structure, inconsistent road surface temperature and environment temperature and the like. The main sources of high temperatures in automobile tires are the relative friction of the tire and the ground and the heat transfer from the road surface, rather than the ambient temperature. If the ambient temperature is controlled only manually, the real condition of the tire cannot be simulated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a detection bracket of a detection device of a tire pressure monitoring system for directly carrying out road test on the tire pressure monitoring system on a real vehicle, wherein the detection bracket is complete in whole vehicle counterweight and the vehicle working condition on the actual road, so that the vehicle tire body shows the truest running state.
The technical scheme of the invention is as follows: the device comprises a wheel connecting disc arranged in the middle of the axial surface of a wheel to be detected, a supporting rod arranged along the radial direction of the wheel to be detected, an electric integrated slip ring and a guide bracket parallel to the axial direction of the wheel to be detected, wherein the axis of the electric integrated slip ring coincides with the axis of the wheel connecting disc, a rotor of the electric integrated slip ring is connected with the middle of the wheel connecting disc, a ring sleeve sleeved outside a stator of the electric integrated slip ring is hinged to the lower end of the supporting rod, the upper end of the supporting rod is inserted at a fisheye universal ball head at one end of the guide bracket, and a strong magnetic chuck connected with a vehicle body is arranged at the other end of the guide bracket;
The wheel connecting disc consists of a connecting disc and connecting bolts, wherein the middle part of the connecting disc is provided with a central hole and more than three mounting holes uniformly distributed outside the central hole, and the central hole is positioned in a centering way and is positioned on the same axis with the center of the wheel. The mounting hole is used for mounting the electrical integrated slip ring rotor. The center of the installation hole is positioned on the same circumference, so that the axial center of the slip ring rotor, the axial center of the connecting disc and the axial center of the wheel are in the same line in the axial direction, errors of equipment are eliminated, more than one dynamic balance lightening hole and a slotted hole group are arranged on the periphery of the connecting disc, the slotted hole group comprises more than three slotted holes which are distributed in a spiral shape, each slotted hole comprises two semicircular parts positioned at two ends and a strip part connected between the two semicircular parts, the centers of the dynamic balance lightening holes and the strip parts of each slotted hole are positioned on the same circumference, and the two semicircular parts of each slotted hole are positioned on two concentric circumferences respectively; the connecting bolt comprises an expansion caliper, a sleeve sleeved outside the expansion caliper and a rotary screw rod used for driving the expansion caliper to move along the sleeve;
the end face of the ring sleeve is provided with a circle of flange extending radially inwards, the flange is provided with a mounting hole for fixing an electrical integrated slip ring, the outer wall of the ring sleeve is provided with an ear plate, the lower end of a connecting arm is hinged to the ear plate through a shaft, the upper end of the connecting arm is hinged to a support plate at the lower end of a connecting sleeve through a connecting shaft, and the upper end of the connecting sleeve is provided with a threaded hole in matched connection with the support rod. The connecting arm can adjust the horizontal distance between the vertical surfaces of the support plate and the lug plate, and the problem of difference of the horizontal distances between the vertical surfaces of various vehicle bodies and the vertical surfaces of the wheels is solved.
The support rod is provided with a first sheath and a second sheath, the upper end of the first sheath and the lower end of the second sheath are connected with the support rod through screws and nuts, and the lower end of the first sheath and the upper end of the second sheath are bonded with the shell of the fish-eye universal ball through glue. The sheath is dustproof, prevents that the fisheye bulb from sticking dust easily, leads to detecting the support card stopper.
The strong magnetic chuck comprises a rubber disk, more than two chuck fixing plates and a magnet, wherein the magnet is arranged in the rubber disk, each chuck fixing plate is arranged on the guide bracket, and the rubber disk is arranged at a waist-shaped hole of the chuck fixing plate through a bolt; the magnet is inlaid in the honeycomb lattice in the rubber disc, the outer layer of the rubber disc is integrally packaged, the magnet particles are arranged in the rubber disc, and the rubber disc has certain flexibility.
The sucker fixing plate is an L-shaped plate and comprises a vertical plate and a transverse plate connected with the vertical plate, the waist-shaped hole is formed in the transverse plate, and the vertical plate is fixed with the guide bracket through a connecting bolt.
The end part of the guide bracket is of a square structure, and the sucker fixing plate is arranged on the side surface of the square structure of the guide bracket.
A positioning groove for positioning the sleeve is formed in the surface of the connecting disc at the inner end of the orifice of the oblong hole; the head of the expansion caliper is provided with a threaded hole, the tail of the expansion caliper is connected with a plurality of locking claws, the locking claws comprise claw heads and claw tails corresponding to automobile wheel fixing bolts, the claw heads of the locking claws enclose a cylindrical shape, the claw tails of the locking claws enclose a circular truncated cone ring shape, and the tail end of the inner wall of the sleeve is provided with a circular truncated cone wall matched with the claw tails of the locking claws; the tail part of the rotary screw rod is inserted into the threaded hole, the middle part of the rotary screw rod passes through the oblong hole, and the head part of the rotary screw rod is sleeved with a guide sleeve; the guide sleeve is of a step-shaped structure and comprises a large sleeve part and a small sleeve part, the small sleeve part is inserted into the slotted hole, and the large sleeve part is positioned on the surface of the connecting disc at the outer end of the orifice of the slotted hole.
The sleeve is a telescopic sleeve, and comprises a nut sleeve and a screw sleeve, the nut sleeve is in threaded connection with the screw sleeve, the overall length of the sleeve can be adjusted through rotating the nut sleeve and the screw sleeve, the length of the sleeve is adapted to wheels of different vehicle types, the expansion calipers are embedded in the screw sleeve, the rotating screw penetrates through the nut sleeve and the center of the screw sleeve to be in threaded connection with the expansion calipers, the expansion calipers are enabled to displace relative to the connecting disc and the screw sleeve through rotating the rotating screw, the diameter of a conical opening of the expansion calipers is changed to clamp an automobile wheel fixing bolt, and the guide sleeve enables the rotating screw to be perpendicular to the connecting disc.
The outer wall of the ring sleeve is provided with a plane convenient to install.
According to the safety technical condition of JT T1178.2-2019 commercial truck of the department of transportation, part 2: in order to realize the truest tire running environment and detect the performance of the tire pressure monitoring system, the detection bracket of the tire pressure monitoring system detection device is invented, and the performance and the reliability of the tire pressure monitoring system are detected in the real running environment through the ingenious arrangement of a wheel connecting disc, an electric integrated slip ring and a supporting rod. The invention is suitable for detecting the tire pressure monitoring devices of all wheeled vehicles. The invention has the advantages of compact structure, portability, convenient installation, optimized detail treatment and low cost.
Drawings
FIG. 1 is a schematic view of the forward viewing angle structure of the present invention;
FIG. 2 is a schematic diagram of a side view structure of the present invention;
FIG. 3 is a schematic view of the loop structure of the present invention;
Fig. 4 is a schematic structural view of the wheel coupling 3;
Fig. 5 is a schematic structural view of the connection of the wheel coupling 3 to the wheel 2;
FIG. 6 is an enlarged view of a portion of FIG. 5;
FIG. 7 is a schematic block diagram of electrical control;
In the figure, 1, a vehicle body, 2, a wheel, 3, a wheel connecting disc, 4, an electric integrated slip ring, 5, a pressure sensor, 6, an air charging and discharging proportion adjusting valve, 7, a constant pressure air tank, 8, a guide bracket, 9, a quick connecting joint, 10, a hose I, 11, a loop, 12, a strong magnetic chuck, 13, a hot air box, 14, a wind guide pipe magnetic chuck, 15, a high temperature resistant wind guide pipe, 16, an infrared temperature measuring sensor, 17, a controller, 18, a supporting rod, 19, a connecting disc, 20, a nut sleeve, 21, a screw sleeve, 22, an expansion caliper, 23, a rotating screw, 24, a guide sleeve, 25, a signal wire, 26, a slotted hole, 27, a dynamic balance weight reducing hole, 28, a central hole, 29, a sheath I, 30, a sheath II, 31, a signal wire, 32, a clamp, 33, an ear plate, 34, a shaft, 35, a supporting plate, 36, a connecting shaft, 37 and a connecting arm.
Detailed Description
In fig. 1 and 2, the lower end of the ring sleeve 11 is connected with the stator of the electrical integrated slip ring 4, the upper end of the ring sleeve is freely sleeved in the fisheye universal ball head of the guide support 8, the outside of the fisheye universal ball head is a drum-shaped shell, the diameter of the middle part is the largest, the diameters of two end faces are equal to each other and smaller than the diameter of the middle part, the inside of the ring sleeve is a sphere, the sphere is also drum-shaped, the drum plane at the origin position of the sphere is parallel to the drum plane of the shell, the distance between the two drum surfaces of the sphere is greater than that of the outer drum-shaped shell, the sphere is wrapped by the outer drum-shaped shell, the center of the shell and the center of the sphere are at the same position, the sphere can freely rotate on the same center of the sphere relative to the shell, the center of the sphere is hollowed out of a cylindrical hole, and the upper end of the ring sleeve 11 can freely stretch in the axial direction in the cylindrical hole of the sphere.
One end of the guide bracket 8 is connected with two circular magnetic force suckers through screws, and the circular magnetic force suckers are adsorbed on the vehicle body 1 without relative movement. The other end is connected with a fish-eye universal ball head through threads, and the upper end of a supporting rod 18 of a drum-shaped shell outside the ball head is sleeved in the ball head. The upper end of the supporting rod 18 is freely sleeved in the fish-eye universal ball of the guide bracket 8, and the shell of the fish-eye ball is connected with the vehicle body 1 through a connecting rod and a sucker by a screw and keeps static. When the wheels 2 running on the road are affected by the road surface flatness and the wheel steering, the support rods 18 freely extend and retract in the ball heads when the wheels 2 move relatively perpendicular to the vehicle body 1. When the wheels 2 turn and drive with the turning, the rotating round surfaces of the wheels 2 and the horizontal neutral line of the vehicle body 1 form an included angle, and the supporting rods 18 are sleeved in the fish-eye ball heads of the guide brackets 8 and can rotate to play a supporting role. The wheel 2 is in any state when the vehicle moves, the electric integrated slip ring stator does not rotate relative to the vehicle body through the cooperation of the support rods 18 and the guide brackets 8, the electric pipeline is prevented from being wound by the wheel, and meanwhile, the electric signals and the in-tire air in the rotating wheel 2 are transmitted during dynamic measurement.
The support rod 18 is freely sleeved in the fish-eye universal ball head of the guide support 8, the support rod 18 is provided with a first sheath 29 and a second sheath 30 at the upper end and the lower end of the fish-eye universal ball head, the upper end of the first sheath 29 and the lower end of the second sheath 30 are connected with the support rod 18 through screw caps, and the lower end of the first sheath 29 and the upper end of the second sheath 30 are adhered to the shell of the fish-eye universal ball head through glue. The first sheath 29 and the second sheath 30 are soft leather sleeves, have elasticity, do not interfere with the relative movement between the support rod 18 and the guide support 8, and mainly aim to prevent dust in the environment from blocking the fisheye universal ball head.
The electrical integrated slip ring 4 is provided with two air chambers on the same shaft, namely an A cavity and a B cavity, wherein the A cavity is a rotor cavity, the B cavity is a stator cavity, the A cavity and the B cavity are relatively sealed, the A cavity and the B cavity can relatively rotate along a main shaft, and the A cavity and the B cavity are conducted in any state. A sliding ring is arranged in the cavity A and the cavity B, and the sliding ring is conducted in any state of rotation or static state. Cavity A and Cavity B are in the state of being in between and every core cable is in the insulating state. The cavity A of the electric integrated slip ring 4 is connected with the porous position flange plate 3 through bolts, and the cavity B of the electric integrated slip ring 4 is connected with the ring sleeve 11 through bolts. One end of the signal wire 25 is connected with the pressure sensor 5, the other end is connected with the A cavity of the electric integrated slip ring 4, signals are transmitted to the B cavity of the electric integrated slip ring 4 through the electric integrated slip ring 4, the B cavity of the electric integrated slip ring 4 is connected with one end of the signal wire 31, the other end of the signal wire 31 is connected with the controller 17, and the signal wire 31 is fixed on a support of the strong magnetic chuck 12 through the clamp 32.
The quick connector 9 is connected with the air tap of the wheel 2, one end of a hose I10 is connected with the quick connector 9, the other end of the hose I is connected with the A cavity of the electrical integrated slip ring 4, and the middle part of the hose I10 is connected with the pressure sensor 5 in series. The stator inner cavity of the electric integrated slip ring 4 is connected with the air outlet interface of the air charging and discharging proportional regulating valve 6 through a hose II.
The strong magnetic chuck 12 is connected with the vehicle body 1, the supporting rod 18 passes through the fisheye universal ball head of the strong magnetic chuck 12, and the supporting rod 18 can freely move on the strong magnetic chuck 12, so that the purpose is to solve the dynamic movement of the wheel 2 and the jumping of the wheel 2 in the turning process, and the supporting effect is achieved.
The air charging and discharging ratio regulating valve 6 is provided with three air holes, one is connected with the constant pressure air tank 7, the other is communicated with the atmosphere, the other is connected with the B cavity of the electrical integrated slip ring, the three holes can be communicated with each other according to the change of the state of the valve core inside the air charging and discharging ratio regulating valve 6, the air charging and discharging ratio regulating valve 6 is connected with the controller 17 through a wire and transmits electric signals in two directions, the air pressure of the constant pressure air tank 7 is higher than the air pressure inside the wheel 2, and the air charging and discharging ratio regulating valve 6 can rapidly deflate and charge the wheel 2 through the control of the controller 17.
The air guide pipe magnetic chuck 14 is connected with the car body 1, the high temperature resistant air guide pipe 15 and the infrared temperature measuring sensor 16 are fixed on the air guide pipe magnetic chuck 14, and the hot air box 13 is arranged in the car. The clip 32 is used to fix the signal wire 31.
In fig. 3, the lower end of the connecting arm 37 is hinged to the ear plate 33 via the shaft 34, the upper end of the connecting arm 37 is hinged to the support plate 35 at the lower end of the connecting sleeve via the connecting shaft 36, the lower end of the supporting rod 18 is the connecting sleeve, the support plate 35 and the ear plate 33 are connected into a whole through the connecting arm 37, and the support plate 35 is adjustable in horizontal and vertical directions relative to the ear plate 33. The electric integrated slip ring stator is arranged on the outer ring of the ring sleeve 11 and is connected through bolts.
In fig. 4, the wheel connection disc 3 is composed of a connection disc 19 and a connection bolt, an included angle a between connecting lines of circle centers of two semicircular parts of two adjacent oblong holes is an acute angle, semicircular parts at two ends of each oblong hole are positioned on a big circle and a small circle to form an inclined included angle, and every two adjacent oblong holes are mutually overlapped to finally cover the whole connection disc 19. The connecting disc 19 is provided with 10 oblong holes 26, 2 dynamic balance weight reducing holes 27 and a central hole 28, wherein the 10 oblong holes 26 are spirally distributed on the connecting disc 19, and 3 screw holes are uniformly distributed on a circle with the radius distance of the central hole 28 being 4 times that of the central hole 28. The wheel connecting disc 3 is connected with the wheel 2, the wheel connecting disc 3 is parallel to the vertical surface of the wheel 2 and moves in the same axis in a rotating way by adjusting the position of the connecting bolt of the wheel connecting disc 3, and the connecting bolt is flexibly adjusted in the oblong hole 26, so that the automobile is suitable for various automobile types. The wheel connecting disc 3 is perforated to form 2 dynamic balance weight reducing holes 27, so that the wheel connecting disc 3 dynamically rotates on a circular surface on a central hole 28 to reach balance.
In fig. 5 and 6, the connecting bolt comprises an expansion caliper 22, a sleeve sleeved outside the expansion caliper 22, and a rotary screw 23 for driving the expansion caliper 22 to move along the sleeve. The surface of the connecting disc 19 at the inner end of the orifice of the oblong hole 26 is provided with a positioning groove for positioning the sleeve. The head of the expansion caliper 22 is provided with a threaded hole, the tail of the expansion caliper 22 is connected with a plurality of locking claws, each locking claw comprises a claw head and a claw tail corresponding to an automobile wheel fixing bolt, the claw heads of the locking claws enclose a cylindrical shape, the claw tails of the locking claws enclose a circular truncated cone ring shape, and the tail end of the inner wall of the sleeve is provided with a circular truncated cone wall matched with the claw tail of each locking claw. The tail of the rotary screw 23 is inserted into the threaded hole, the middle of the rotary screw 23 passes through the oblong hole, and the head of the rotary screw 23 is sleeved with a guide sleeve 24. The guide sleeve 24 is of a step-shaped structure and comprises a large sleeve part and a small sleeve part, wherein the small sleeve part is inserted into the oblong hole 26, and the large sleeve part is positioned on the surface of the connecting disc 19 at the outer end of the orifice of the oblong hole 26. The sleeve is the telescopic sleeve, including nut cover 20, screw rod cover 21, nut cover 20 and screw rod cover 21 threaded connection, but through rotatory nut cover 20 and screw rod cover 21 adjustment sleeve overall length, adjustment sleeve length adaptation different motorcycle types's wheel, expansion calliper 22 inlays in screw rod cover 21, rotatory screw rod 23 passes nut cover 20 and screw rod cover 21 center and expansion calliper 22 embedded threaded connection, make expansion calliper 22 take place the displacement for connection pad 19 and screw rod cover 21 through rotatory screw rod 23 for expansion calliper 22 bell mouth diameter changes and presss from both sides tight car wheel fixing bolt, the uide bushing 24 makes rotatory screw rod 23 keep perpendicular with connection pad 19.
In fig. 7, the hot air box 13 is connected with the controller 17 through a wire, and the signal data is transmitted in a two-way, and the tail end of the high temperature resistant air guide pipe 15 is a horn mouth for air outlet, so that the angle adjustment can be performed, and the purpose of heating the tire is to be achieved. The infrared temperature sensor 16 is a non-contact temperature sensor, the infrared temperature sensor 16 is connected with the hot air box 13 through a wire, and the infrared temperature sensor 16 feeds back real-time temperature signals of the wheels 2 to the hot air box 13. The wheel 2 in the moving process can transmit the air pressure signal of the pressure sensor 5 to the controller 17 in real time, the controller 17 controls the air charging and discharging proportional regulating valve 6 to form a complete closed loop control, and the controller 17 can carry out programming, so that the air charging and discharging under various test modes are realized. The heat energy of the hot air box 13 is transferred to the wheel 2 by the high-temperature resistant air guide pipe 15, the wheel 2 is heated uniformly in the rotating process, and the air outlet temperature, the air outlet speed and the like of the hot air box 13 are controlled by the feedback of the infrared temperature measuring sensor 16 and the controller 17, so that a closed loop control is formed, and the tire is in a constant temperature state.
During detection, an operator drives the vehicle to run or stand in a road, a target tire pressure value and an error value are set for the controller 17, a start button is pressed, the controller 17 compares the value fed back by the pressure sensor 5 with the set target tire pressure value, the inflation/deflation proportion adjusting valve 6 is controlled to inflate or deflate the tire, the feedback value of the pressure sensor 5 is infinitely close to the set target tire pressure value, when the difference between the feedback value of the pressure sensor 5 and the absolute value of the set target tire pressure value is smaller than the preset error value, the controller 17 triggers an electronic clock to count until the vehicle-mounted tire pressure monitoring device gives an alarm, the tester stops timing, and the generated period of time is used as a basis for judging whether the vehicle-mounted tire pressure monitoring device is qualified or not. The air charging and discharging proportional regulating valve 6 is provided with three interfaces, one is an air inlet interface, the other is an air outlet interface, one is an air outlet interface, the air outlet interface is communicated with the atmosphere, and the air inlet interface is connected with the constant pressure air tank 7. The air pressure of the air inlet interface is higher than that of the air outlet interface, and the air outlet interface is at atmospheric pressure. The air inlet, the air outlet and the air outlet can be mutually communicated through the valve body internal mechanism, and when the pressure of the air outlet is overlarge, the valve body internal mechanism adjusts the communication gap between the air outlet and the air outlet, so that the purpose of air release is achieved. When the pressure of the air outlet is too small, the internal mechanism of the valve body adjusts the conduction gap between the air inlet and the air outlet, so as to achieve the purpose of inflation. The electric signal is converted into an electromagnetic signal to drive the internal mechanism of the valve body.
Claims (6)
1. A detection support of a detection device of a tire pressure monitoring system, characterized in that: the device comprises a wheel connecting disc (3) arranged in the middle of the axial surface of a wheel to be detected, a supporting rod (18) arranged along the radial direction of the wheel to be detected, an electric integrated sliding ring (4) and a guide bracket (8) parallel to the axial direction of the wheel to be detected, wherein the axis of the electric integrated sliding ring (4) coincides with the axis of the wheel connecting disc (3), a rotor of the electric integrated sliding ring (4) is connected with the middle of the wheel connecting disc (3), a ring sleeve (11) sleeved outside a stator of the electric integrated sliding ring (4) is hinged to the lower end of the supporting rod (18), the upper end of the supporting rod (18) is inserted into a fisheye universal ball head at one end of the guide bracket (8), and a strong magnetic chuck (12) connected with a vehicle body (1) is arranged at the other end of the guide bracket (8);
The wheel connecting disc (3) consists of a connecting disc (19) and connecting bolts, a central hole (28) and more than three mounting holes uniformly distributed outside the central hole (28) are formed in the middle of the connecting disc (19), more than one dynamic balance weight reducing hole (27) and a slotted hole group are formed in the periphery of the connecting disc (19), each slotted hole group comprises more than three slotted holes (26) which are spirally distributed, each slotted hole (26) comprises two semicircular parts at two ends and a strip part connected between the two semicircular parts, the centers of the dynamic balance weight reducing holes (27) and the strip parts of each slotted hole are located on the same circumference, and the two semicircular parts of each slotted hole are respectively located on two concentric circumferences; the connecting bolt comprises an expansion caliper (22), a sleeve sleeved outside the expansion caliper (22) and a rotary screw (23) for driving the expansion caliper (22) to move along the sleeve;
The end face of the ring sleeve (11) is provided with a circle of flange which extends radially inwards, the flange is provided with a mounting hole for fixing the electrical integrated slip ring (4), the outer wall of the ring sleeve (11) is provided with an ear plate (33), the lower end of a connecting arm (37) is hinged on the ear plate (33) through a shaft (34), the upper end of the connecting arm (37) is hinged on a support plate (35) at the lower end of a connecting sleeve through a connecting shaft (36), and the upper end of the connecting sleeve is provided with a threaded hole which is connected with a support rod (18) in a matching way;
a positioning groove for positioning the sleeve is formed in the surface of the connecting disc (19) at the inner end of the orifice of the oblong hole (26); the head of the expansion caliper (22) is provided with a threaded hole, the tail of the expansion caliper (22) is connected with a plurality of locking claws, each locking claw comprises a claw head and a claw tail which correspond to an automobile wheel fixing bolt, the claw heads of the locking claws enclose a cylindrical shape, the claw tails of the locking claws enclose a circular truncated cone ring shape, and the tail end of the inner wall of the sleeve is provided with a circular truncated cone wall matched with the claw tail of each locking claw; the tail part of the rotary screw rod (23) is inserted into the threaded hole, the middle part of the rotary screw rod (23) passes through the oblong hole, and the head part of the rotary screw rod (23) is sleeved with a guide sleeve (24); the guide sleeve (24) is of a step-shaped structure and comprises a large sleeve part and a small sleeve part, the small sleeve part is inserted into the oblong hole (26), and the large sleeve part is positioned on the surface of the connecting disc (19) at the outer end of the orifice of the oblong hole (26);
The sleeve is a telescopic sleeve and comprises a nut sleeve (20) and a screw sleeve (21), wherein the nut sleeve (20) is in threaded connection with the screw sleeve (21), an expansion caliper (22) is embedded in the screw sleeve (21), and a rotary screw (23) penetrates through the centers of the nut sleeve (20) and the screw sleeve (21) to be in threaded connection with the expansion caliper (22).
2. The detection bracket of the detection device of the tire pressure monitoring system according to claim 1, wherein: the support rod (18) is provided with a first sheath (29) and a second sheath (30), the upper end of the first sheath (29) and the lower end of the second sheath (30) are connected with the support rod (18) through screws and nuts, and the lower end of the first sheath (29) and the upper end of the second sheath (30) are adhered to the shell of the fisheye universal ball head through glue.
3. The detection bracket of the detection device of the tire pressure monitoring system according to claim 1, wherein: the strong magnetic chuck (12) comprises a rubber disk, more than two chuck fixing plates and magnets, wherein the magnets are arranged in the rubber disk, the chuck fixing plates are arranged on the guide bracket (8), and the rubber disk is arranged at the waist-shaped hole of the chuck fixing plate through bolts.
4. A test stand for a test device of a tire pressure monitoring system according to claim 3, wherein: the sucker fixing plate is an L-shaped plate and comprises a vertical plate and a transverse plate connected with the vertical plate, the waist-shaped hole is formed in the transverse plate, and the vertical plate is fixed with the guide bracket (8) through a connecting bolt.
5. A test stand for a test device of a tire pressure monitoring system according to claim 3, wherein: the end part of the guide bracket (8) is of a square structure, and the sucker fixing plate is arranged on the side surface of the square structure of the guide bracket (8).
6. The detection bracket of the detection device of the tire pressure monitoring system according to claim 1, wherein: the outer wall of the ring sleeve (11) is provided with a plane which is convenient to install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564410.1A CN111366297B (en) | 2019-06-27 | 2019-06-27 | Detection support of detection device of tire pressure monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564410.1A CN111366297B (en) | 2019-06-27 | 2019-06-27 | Detection support of detection device of tire pressure monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111366297A CN111366297A (en) | 2020-07-03 |
| CN111366297B true CN111366297B (en) | 2024-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910564410.1A Active CN111366297B (en) | 2019-06-27 | 2019-06-27 | Detection support of detection device of tire pressure monitoring system |
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