CN116659443A - Automobile four-wheel positioning detection device and method - Google Patents
Automobile four-wheel positioning detection device and method Download PDFInfo
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- CN116659443A CN116659443A CN202310505582.8A CN202310505582A CN116659443A CN 116659443 A CN116659443 A CN 116659443A CN 202310505582 A CN202310505582 A CN 202310505582A CN 116659443 A CN116659443 A CN 116659443A
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- 238000001514 detection method Methods 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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Classifications
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
- G01B21/26—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes for testing wheel alignment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
-
- 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
- G01M17/013—Wheels
Abstract
The invention provides an automobile four-wheel positioning detection device and method, wherein the device comprises: the front wheel fixing frames are symmetrically arranged on the left side and the right side of the front part of the frame; the two groups of rear wheel fixing frames are symmetrically arranged at the left side and the right side of the rear part of the frame; the front wheel fixing frame is connected with a front wheel detection device, the rear wheel fixing frame is connected with a rear wheel detection device, and the front wheel fixing frame and the rear wheel fixing frame are respectively connected with an adjustable positioning device; the controller is electrically connected with the front wheel detection device, the rear wheel detection device and the display respectively. The distance between the components for positioning the wheels can be adjusted, so that wheels with different sizes can be detected.
Description
Technical Field
The invention relates to the technical field of wheel detection, in particular to an automobile four-wheel positioning detection device and method.
Background
At present, the detection of the wheels of the automobile needs to detect the position information of the wheels of the automobile on the automobile to determine the positioning parameters of the wheels of the automobile (the relative position information among the wheels can also be determined according to the position information of each wheel), so as to guide an automobile maintenance engineer to adjust the positioning parameters of the wheels, thereby meeting the design requirements of the automobile, realizing the smoothness and safety of the running of the automobile and reducing the oil consumption and the wheel abrasion of the automobile.
In the prior art, the automobile four-wheel positioning detection device and/or the detection method are used for detecting the positioning of the automobile four-wheel, and the distance between the components (such as the rotating roller in the CN 110749454A) for positioning the wheels in the existing automobile four-wheel positioning device (such as the CN 110749454A) cannot be adjusted, so that the detection of the wheels with different sizes cannot be performed.
Disclosure of Invention
The invention provides an automobile four-wheel positioning detection device and method, which are used for solving the technical problems set forth in the background technology.
In order to solve the technical problems, the invention discloses an automobile four-wheel positioning detection device, which comprises:
the front wheel fixing frames are symmetrically arranged on the left side and the right side of the front part of the frame;
the two groups of rear wheel fixing frames are symmetrically arranged at the left side and the right side of the rear part of the frame;
the front wheel fixing frame is connected with a front wheel detection device, the rear wheel fixing frame is connected with a rear wheel detection device, and the front wheel fixing frame and the rear wheel fixing frame are respectively connected with an adjustable positioning device;
the controller is electrically connected with the front wheel detection device, the rear wheel detection device and the display respectively.
Preferably, the front wheel fixing frame is fixedly connected with the left side or the right side of the front part of the frame through a first connecting rod;
the rear part of the frame is provided with a sliding groove, a sliding block is connected in the sliding groove, the rear wheel fixing frame is fixedly connected with the sliding block through a second connecting rod, the rear part of the frame is connected with an electric telescopic rod, and the electric telescopic rod is used for driving the sliding block to slide along the sliding groove.
Preferably, the front wheel fixing frame and the rear wheel fixing frame both comprise:
the first box body and the second box body are connected to one side, close to the rack, of the first box body, one side, connected with each other, of the first box body and the second box body is communicated, the upper end of the first box body is detachably connected with a first box cover, a front cavity, a middle cavity and a rear cavity are arranged in the second box body, the upper end of the middle cavity is connected with a second box cover, and the upper ends of the front cavity and the rear cavity are connected with a third box cover;
the adjustable positioning device comprises: two front-to-back symmetrical positioning groups, the positioning groups comprising: the screw rod extends along the front-rear direction and is rotationally connected with the front inner wall of the front cavity or the rear inner wall of the rear cavity; the matched sliding block is in threaded sleeve connection with the screw rod; the positioning column is connected to one side of the matched sliding block, which is close to each other, and is positioned in the middle cavity; the screw rod is driven to rotate by a driving mechanism.
Preferably, the driving mechanism includes:
a driving case installed in the first case;
the two ends of the first matching shaft are respectively connected with the inner walls of the front side and the rear side of the first box body in a rotating way;
the driving motor is arranged in the driving shell;
the second matching shaft is fixedly connected with the output end of the driving motor;
the first matched bevel gear is fixedly sleeved at one end of the second matched shaft far away from the driving motor;
the second matched bevel gear is fixedly sleeved on the first matched shaft, and the first matched bevel gear and the second matched bevel gear are in meshed transmission;
the two first belt wheels are fixedly sleeved on the front part and the rear part of the first matching shaft, the second belt wheels are fixedly sleeved on the screw rods of the two positioning groups respectively, and the two first belt wheels are respectively in transmission with the two second belt wheels through two belts.
Preferably, the front wheel detecting device includes: the first supporting connecting rod is connected with the driving shell at the front side; the first detection plate is fixedly connected to one side, close to the positioning column, of the first support connecting rod, and a first deflection detection device is arranged on the first detection plate;
the rear wheel detection device includes: the second supporting connecting rod is connected with the driving shell at the rear side; and the second detection plate is fixedly connected to one side, close to the positioning column, of the second support connecting rod, and is provided with a second offset detection device.
Preferably, the driving mechanism further includes:
the circumferential side of the matched cylinder is provided with an annular chute;
the matched sliding rod is in sliding connection with the annular sliding groove;
the connecting plate is fixedly connected with the matched sliding rod, and is fixedly connected with one end of the first support connecting rod or one end of the second support connecting rod, which is far away from the rack;
and the two ends of the matched spring are fixedly connected with the connecting plate and the inner wall of the driving shell respectively.
Preferably, the first support connecting rod and the second support connecting rod are also provided with image pick-up devices.
Preferably, the adjustable positioning device further comprises:
the front side and the rear side of the upper part of the positioning box are provided with positioning column inlets;
support structure sets up in the positioning box, and be located between the reference column of front and back side, support structure includes: the support sleeve is fixedly connected to the inner wall of the lower end of the positioning box; the support column is connected in the support sleeve in a sliding way, and the outer side of the lower part of the support column is integrally provided with an extension section in an extending way; the two ends of the support spring are fixedly connected with the extension section and the inner side wall of the support sleeve respectively; the upper ends of the spring rods are fixedly connected with the middle parts of the lower ends of the supporting columns, and the lower ends of the spring rods are fixedly connected with the inner wall of the positioning box;
two sets of bilateral symmetry's detection mechanism, detection mechanism includes: the supporting block is fixedly connected with the left inner wall or the right inner wall of the positioning box, and one side, close to each other, of the supporting block is an inclined plane; the limiting groove is vertically arranged on the inclined plane; the two first fixed pulleys are arranged on the front side wall or the rear side wall of the supporting sleeve at intervals up and down; the mounting block is connected in the limit groove in a sliding manner along the direction perpendicular to the inclined plane and is used for mounting the detection device; the first matched rack is fixedly connected to the lower end of the mounting block; the second matched rack is connected in the limiting groove in a sliding manner; the matched gear is rotationally connected in the limit groove and is respectively meshed with the matched rack I and the matched rack II; the pulling block is fixedly connected to the left part or the right part of the lower end of the supporting column; one end of the connecting stay rope is fixedly connected with the lower end of the pulling block, the other end of the connecting stay rope is fixedly connected with the lower end of the matched rack, and the connecting stay rope is wound on the first fixed pulley.
Preferably, the ground at the rear end of the frame is also provided with a platform, and the automobile runs towards the frame after entering the platform; further comprises:
the distance detection device is arranged on the platform and is used for detecting the distance between the center of a wheel of the automobile and the top end of the platform;
the temperature detection device is arranged on the platform and is used for detecting the temperature of the wheels;
the controller is connected with the automobile controller communication on the automobile, and when the automobile moves on the platform, the controller obtains the automobile wheel information that the automobile controller transmitted, and the automobile wheel information includes: the used time length of the automobile wheels and the rated total used time length of the automobile wheels;
the alarm, the controller is connected with distance detection device, temperature detection device, alarm electricity, the controller is based on car controller, distance detection device, temperature detection device control alarm warning, includes:
calculating an alarm evaluation coefficient P based on an automobile controller, a distance detection device, a temperature detection device and the following formula, and controlling an alarm to alarm by the controller when the P is not in a preset range;
d is the outer diameter of the wheel; h is the detection value of the distance detection device, P is the air pressure of the wheel, A is the vertical load born by the wheel, pi takes on the value, R is the curvature radius of the wheel of the automobile, and K 1 Is a first coefficient; t (T) 2 For the rated total service time of the wheel, T 1 The used time length of the wheel; t is a unit time; c is a second coefficient, B 1 For the surface temperature of the wheel, B 0 E is a natural constant and L is a unit length for presetting a reference temperature of the wheel.
After the front wheel fixing frame and the rear wheel fixing frame are installed, the third box covers of the front wheel fixing frame and the rear wheel fixing frame are in a closed state, and the first box covers of the front wheel fixing frame and the rear wheel fixing frame and the second box covers of the front wheel fixing frame are in an open state; the second box cover is an automatic opening and closing door, and the method comprises the following steps:
the steps are as follows: the electric telescopic rod drives the adjusting slide block to move, so that the distance between the front wheel fixing frame and the rear wheel fixing frame is matched with the distance between the front wheel and the rear wheel of the automobile to be detected;
the steps are as follows: moving the automobile to be detected to an automobile four-wheel positioning detection device, and opening a second box cover of the rear wheel fixing frame after the front wheel of the automobile completely passes through the rear wheel fixing frame;
the steps are as follows: the front wheel of the automobile to be detected is placed between the front positioning column and the rear positioning column in the front wheel fixing frame, and the rear wheel of the automobile to be detected is placed between the front positioning column and the rear positioning column in the rear wheel fixing frame;
the steps are as follows: the offset values of the front wheels and the rear wheels of the automobile are detected by the offset detector I and the offset detector II, and the offset values are displayed by a display.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a four-wheel aligner of an automobile according to the present invention;
FIG. 2 is a schematic view of a part of the front wheel mount or the rear wheel mount in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 2;
FIG. 4 is a side view of the positioning box of the present invention;
fig. 5 is an enlarged schematic view of the structure at B in fig. 4.
In the figure: 1. a frame; 2. a front wheel fixing frame; 21. a first case; 22. a second case; 23. a front cavity; 24. a middle cavity; 25. a rear cavity; 3. a rear wheel fixing frame; 4. a first link; 5. a chute; 6. a slide block; 7. a second link; 8. an adjustable positioning device; 81. positioning columns; 82. a screw rod; 83. matching with a sliding block; 84. a positioning box; 85. positioning a column inlet; 86. a support sleeve; 87. a support column; 88. an extension section; 89. a support spring; 810. a spring rod; 811. a support block; 812. a limit groove; 813. a first fixed pulley; 814. the first rack is matched; 815. matching with a second rack; 816. a mating gear; 817. pulling the block; 818. connecting a pull rope; 819. a mounting block; 9. a driving mechanism; 91. a driving case; 92. a first matching shaft is arranged; 93. a driving motor; 94. a second matching shaft; 95. matching with a bevel gear I; 96. matching with a bevel gear II; 97. matching the cylinder; 98. matching with a slide bar; 99. a connecting plate; 910. a mating spring; 911. an annular chute; 912. a first pulley; 913. a second pulley; 914. a belt; 10. a front wheel detection device; 101. a first supporting connecting rod; 102. detecting a first plate; 11. rear wheel detection means; 111. a second supporting connecting rod; 112. a second detection plate; 12. an electric telescopic rod; 13. a platform.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
Embodiment 1, embodiment 1 of the present invention discloses an automobile four-wheel alignment detection device, as shown in fig. 1-3, comprising:
the front wheel fixing frames 2 are symmetrically arranged on the left side and the right side of the front part of the frame 1;
the two groups of rear wheel fixing frames 3 are symmetrically arranged at the left side and the right side of the rear part of the frame 1;
the front wheel fixing frame 2 is connected with a front wheel detection device, the rear wheel fixing frame 3 is connected with a rear wheel detection device, and the front wheel fixing frame 2 and the rear wheel fixing frame 3 are respectively connected with an adjustable positioning device;
the controller is electrically connected with the front wheel detection device, the rear wheel detection device and the display respectively.
Optionally, the front wheel fixing frame 2 is fixedly connected with the left side or the right side of the front part of the frame 1 through a first connecting rod 4;
the rear part of the frame 1 is provided with a sliding groove 5, a sliding block 6 is connected in the sliding groove 5, the rear wheel fixing frame 3 is fixedly connected with the sliding block 6 through a second connecting rod 7, the rear part of the frame 1 is connected with an electric telescopic rod 12, and the electric telescopic rod 12 is used for driving the sliding block 6 to slide along the sliding groove 5.
Optionally, the front wheel fixing frame 2 and the rear wheel fixing frame 3 each include:
the first box body 21 and the second box body 22, the second box body 22 is connected to one side of the first box body 21, which is close to the frame 1, the side, which is connected with each other, of the first box body 21 and the second box body 22 is communicated, a first box cover (detachable connection or openable box body) is detachably connected to the upper end of the first box body 21, a front cavity 23, a middle cavity 24 and a rear cavity 25 are arranged in the second box body 22, the upper end of the middle cavity 24 is connected with a second box cover (detachable connection or upper end of the middle cavity 24 can be opened and closed manually or automatically), and a third box cover (fixed connection or detachable connection) is connected to the upper ends of the front cavity 23 and the rear cavity 25;
the adjustable positioning device 8 comprises: two front-to-back symmetrical positioning groups, the positioning groups comprising: the screw rod 82 extends along the front-rear direction, and the screw rod 82 is rotationally connected with the front inner wall of the front cavity 23 or the rear inner wall of the rear cavity 25; a matching sliding block 83 which is in threaded sleeve connection with the screw rod 82; the positioning column 81 is connected to one side of the matching sliding block 83, which is close to each other, and the positioning column 81 is positioned in the middle cavity 24; the screw 82 is driven to rotate by the driving mechanism 9. Wherein, the positioning post 81 may be a fixed post or may include a rotating drum in CN110749454a, when including a rotating drum, the positioning post includes: the two connecting blocks are fixedly connected with the matched sliding blocks through connecting brackets, and a rotary roller is rotationally connected between the two connecting blocks;
optionally, the driving mechanism 9 includes:
a driving case 91 installed in the first casing 21;
the first matching shaft 92 is rotationally connected with the inner walls of the front side and the rear side of the first box body 21 at two ends respectively;
a driving motor 93 installed in the driving case 91;
the second matching shaft 94 is fixedly connected to the output end of the driving motor 93;
the first matched bevel gear 95 is fixedly sleeved at one end of the second matched shaft 94 far away from the driving motor 93;
the second matched bevel gear 96 is fixedly sleeved on the first matched shaft 92, and the first matched bevel gear 95 is meshed with the second matched bevel gear 96 for transmission;
the two first belt wheels 912 are fixedly sleeved at the front part and the rear part of the first matching shaft 92, the screw rods 82 of the two positioning groups are respectively fixedly sleeved with the second belt wheels 913, and the two first belt wheels 912 are respectively in transmission with the two second belt wheels 913 through the two belts 914.
Optionally, the front wheel detecting apparatus 10 includes: the first supporting link 101 is connected with the front driving shell 91; the first detection plate 102 is fixedly connected to one side, close to the positioning column 81, of the first support connecting rod 101, and the first detection plate 102 is provided with a first deflection detection device;
the rear wheel detecting device 11 includes: a second support link 111 connected to the rear drive case 91; and a second detection plate 112 fixedly connected to one side of the second support link 111, which is close to the positioning column 81, and provided with a second offset detection device.
Optionally, the first supporting link 101 and the second supporting link 111 are further provided with an image pickup device for detecting the quality of the surface of the wheel.
Optionally, after the front wheel fixing frame 2 and the rear wheel fixing frame 3 are installed, the third box covers of the front wheel fixing frame 2 and the rear wheel fixing frame 3 are in a closed state, and the first box covers of the front wheel fixing frame 2 and the rear wheel fixing frame 3 and the second box covers of the front wheel fixing frame 2 are in an open state; the second box cover is an automatic opening and closing door (specifically, the automatic opening and closing door can be in the following structure, the automatic opening and closing door comprises a first door body and a second door body, the upper ends of the first door body and the second door body are respectively and slidably connected with the upper end or the lower end (simultaneously the upper end or the simultaneously lower end) of the third box cover, and the first door body and the second door body are driven to be close to or far away from each other through a telescopic rod so as to realize the opening of the second box cover), and the method comprises the following steps:
step 1: the electric telescopic rod 12 drives the adjusting slide block 6 to move, so that the distance between the front wheel fixing frame 3 and the rear wheel fixing frame 3 is matched with the distance between the front wheel and the rear wheel of the automobile to be detected;
step 2: the automobile to be detected is moved to an automobile four-wheel positioning detection device, when the front wheel of the automobile completely passes through the rear wheel fixing frame 3, a second box cover of the rear wheel fixing frame 3 is opened (the second box cover is in a closed state before the front wheel of the automobile completely passes through the rear wheel fixing frame 3 after the detection is started each time, so that the front wheel can pass through conveniently, wherein a jacking mechanism can be arranged between two positioning columns 81 in the rear wheel fixing frame 3, so that the rear wheel can be jacked to a certain height, and the rear wheel can pass through the rear wheel fixing frame conveniently);
step 3: the front wheel of the automobile to be detected is placed between the front positioning column 81 and the rear positioning column 81 in the front wheel fixing frame 2, and the rear wheel of the automobile to be detected is placed between the front positioning column 81 and the rear positioning column 81 in the rear wheel fixing frame 3;
step 4: the offset values of the front wheels and the rear wheels of the automobile are detected by the offset detector I and the offset detector II, and the offset values are displayed by a display.
Wherein, the frame in the embodiment can be directly fixed on the ground; or the ground is provided with a lifting device, and the frame is fixedly connected with the lifting end of the lifting device, so that the height of the frame is adjusted.
The first offset detector and the second offset detector can be arranged as distance measuring sensors and are used for measuring the distance between the positions of the distance measuring sensors and corresponding points of wheels so as to determine the position information/offset information of the wheels on the automobile (the relative position information among the wheels can be determined according to the position information of each wheel), thereby guiding an automobile maintenance engineer to adjust the wheel positioning parameters;
the working principle and beneficial effects of the technical scheme are as follows:
moving the automobile, so that the front wheel of the automobile to be detected is placed between the front positioning column 81 and the rear positioning column 81 in the front wheel fixing frame 2, and the rear wheel of the automobile to be detected is placed between the front positioning column 81 and the rear positioning column 81 in the rear wheel fixing frame 3, and limiting the front direction and the rear direction of the wheels through the positioning columns 81 in the front direction and the rear direction of the wheels; the offset values of the front and rear wheels of the automobile are detected by an offset detector, and the offset values are displayed by a display. Specifically, during positioning, the driving motor 93 is controlled to rotate to drive the second matching shaft 94 to rotate, the first matching shaft 92 is driven to rotate through the meshing of the first matching bevel gear 95 and the second matching bevel gear 96, and the first matching shaft 92 rotates to drive the two screw rods 82 to rotate through the transmission of the two first belt pulleys 912, the second belt pulleys 913 and the belt 914, so that the matching sliding blocks 836 on the two screw rods 82 which are opposite front and back are far away from each other or are close to each other, the two positioning columns 81 are far away from each other or are close to each other, and the limiting positions of the front side and the back side of the wheel are adjusted to meet the limiting requirements of the wheels with different sizes; the problem that the distance between parts (such as rotating rollers in CN 110749454A) for positioning wheels in the conventional automobile four-wheel positioning device (such as CN 110749454A) cannot be adjusted and the wheels with different sizes cannot be detected is solved.
Embodiment 2, on the basis of embodiment 1, as shown in fig. 1 to 3, the driving mechanism 9 further includes:
a matching cylinder 97, wherein an annular sliding groove 911 is arranged on the circumferential side of the matching cylinder 97;
the matching slide bar 98 is in sliding connection with the annular slide groove 911;
the connecting plate 99 is fixedly connected with the matched sliding rod 98, and the connecting plate 99 is fixedly connected with one end of the first support connecting rod 101 or the second support connecting rod 111, which is far away from the frame 1;
and the two ends of the matching spring 910 are fixedly connected with the connecting plate 99 and the inner wall of the driving shell 91 respectively.
In this embodiment, the first deflection detector or the second deflection detector may be configured as a pressure sensing column, where a force sensor is disposed on a side of the pressure sensing column that contacts the hub of the wheel, and when the pressure sensing column contacts the hub of the wheel, the force sensor may be used to detect a contact force between the pressure sensing column and the hub of the wheel, and compare the contact force with a reference force, and determine whether there is a deflection in a position corresponding to the hub according to a comparison result;
the working principle and beneficial effects of the technical scheme are as follows: when the driving motor 93 rotates, the matching cylinder 97 on the matching shaft two 94 is driven to rotate, so that the matching slide bar 98 moves in the annular slide groove 911, and the matching slide bar 98 drives the supporting connecting rod one 101 or the supporting connecting rod two 111 to approach the wheel, so that the offset detector one or the offset detector two on the detecting plate one 102 or the detecting plate two 112 approaches the wheel, and the contact force detection is realized on the wheel; the above technical solution can realize the detection of the detection position by the first or second offset detector while realizing the wheel positioning by controlling the driving motor 93, and the control is convenient.
Embodiment 3, on the basis of embodiment 1 or 2, as shown in fig. 4 to 5, the adjustable positioning device 8 further includes:
the positioning box 84, the front and back sides of the upper part of the positioning box 84 are provided with inlets of positioning columns 81;
a support structure disposed within the positioning box 84 between the positioning posts 81 on the front and rear sides, the support structure comprising: the support sleeve 86 is fixedly connected to the inner wall of the lower end of the positioning box 84; the support column 87 is slidably connected in the support sleeve 86, and an extension section 88 is integrally arranged on the outer side of the lower part of the support column 87 in an extending manner; the two ends of the supporting spring 89 are fixedly connected with the extending section 88 and the inner side wall of the supporting sleeve 86 respectively; the upper ends of the spring rods 810 are fixedly connected with the middle parts of the lower ends of the support columns 87, and the lower ends of the spring rods 810 are fixedly connected with the inner wall of the positioning box 84;
two sets of bilateral symmetry's detection mechanism, detection mechanism includes: the supporting block 811 is fixedly connected with the left inner wall or the right inner wall of the positioning box 84, and the side, close to each other, of the supporting block 811 is an inclined plane; a limit groove 812 vertically arranged on the inclined plane; two first fixed pulleys 813 installed at the front side wall or the rear side wall of the support sleeve 86 at an upper and lower interval; the mounting block 819 is slidingly connected in the limit groove 812 along the direction perpendicular to the inclined plane, and the mounting block 819 is used for mounting the detection device; the first matching rack 814 is fixedly connected to the lower end of the mounting block 819; the matched rack II 815 is slidably connected in the limit groove 812; the matched gear 816 is rotatably connected in the limit groove 812, and the matched gear 816 is respectively meshed with the matched rack I814 and the matched rack II 815; pulling block 817 fixedly connected to the left or right part of the lower end of support column 87; one end of the connecting stay rope 818 is fixedly connected with the lower end of the pulling block 817, the other end of the connecting stay rope 818 is fixedly connected with the lower end of the matched rack II 815, and the connecting stay rope 818 is wound on the first fixed pulley 813.
Wherein, optionally, the support column 87 in this embodiment may also be configured as an automatic lifting device (for example, a hydraulic cylinder or a structure that the upper end of the cylinder is connected with a support plate);
the detection device can be arranged as a camera or a ranging sensor for detecting the wheel (the camera can be used for detecting the surface quality of the wheel, and the ranging sensor can be used for further detecting the position information of the wheel); the camera is convenient for acquiring the image between the first offset detector or the second offset detector and the wheel, and is convenient for analysis.
The working principle and beneficial effects of the technical scheme are as follows:
1. in the initial state, the detection device is accommodated in the limit groove 812, so that protection of the detection device is realized, the detection device is prevented from extending out of the limit groove 812, and the detection device is easily damaged by accidents when the wheel enters the positioning box 84;
2. when the wheel is positioned between the positioning columns 81 in the front-rear direction, the wheel is supported on the support column 87, and the support column 87 can be buffered when the wheel falls into the support column 87 through the spring rod 810 and the support spring 89;
3. and under the action of the gravity of the wheels, the support column 87 moves downwards to drive the pulling block 817 to move downwards so as to drive the connecting pull rope 818 to move, thereby enabling the two matched racks II 815 to move downwards to drive the matched gear 816 to rotate, thereby enabling the two matched racks I814 to move upwards and driving the two detection devices to extend out of the limit groove 812 so as to reach the position between the first offset detector and the second offset detector and the wheels (when the support column 87 moves downwards to a certain position, the detection devices reach the target detection position), thereby facilitating the detection of the wheels at the position between the first offset detector and the second offset detector and the wheels.
In the embodiment 4, on the basis of the embodiment 1, 2 or 3, the ground at the rear end of the frame 1 is also provided with a platform 13, and the automobile runs towards the frame 1 after entering the platform 13; further comprises:
distance detecting means provided on the platform 13 for detecting a distance from a center of a wheel of the vehicle to a top end of the platform 13;
temperature detecting means provided on the platform 13 for detecting the temperature of the wheels;
the controller is in communication connection with an automobile controller on the automobile, and when the automobile moves on the platform 13, the controller acquires automobile wheel information transmitted by the automobile controller, and the automobile wheel information comprises: the used time length of the automobile wheels and the rated total used time length of the automobile wheels;
the alarm, the controller is connected with distance detection device, temperature detection device, alarm electricity, the controller is based on car controller, distance detection device, temperature detection device control alarm warning, includes:
calculating an alarm evaluation coefficient P based on an automobile controller, a distance detection device, a temperature detection device and the following formula, and controlling an alarm to alarm by the controller when the P is not in a preset range;
d is the outer diameter of the wheel; h is the detection value of the distance detection device, P is the air pressure of the wheel, A is the vertical load (which is a preset value and is related according to the design of the automobile) born by the wheel, pi takes a value of 3.14, R is the curvature radius (preferably, the transverse curvature radius) of the wheel of the automobile, and K is the vertical load of the wheel 1 For the first coefficient (taking the value 2-4 x 10 -8 m2/N)；T 2 For the rated total service time of the wheel, T 1 The used time length of the wheel; t is a unit time; c is a second coefficient (greater than 0 and less than 0.1), B 1 For the surface temperature of the wheel, B 0 E is a natural constant and L is a unit length for presetting a reference temperature of the wheel.
The working principle and beneficial effects of the technical scheme are as follows:the wheel is detected once by the platform 13 before passing through the front wheel fixing frame and the rear wheel fixing frame, for a reference value corresponding to 0.5D-H (the reference value is based on the influence of temperature on the wheel material and the influence of the time length of the wheel when the wheel is used, the state of the wheel related to the distance between the current wheel and the center of the wheel and the top end of the platform 13 is determined, so that calculation is more reliable), when the wheel is abnormal, the distance between the center of the wheel and the top end of the platform 13 influences the running of the automobile, and when the distance between the center of the wheel and the top end of the platform 13 is abnormal, even if an alarm is used for alarming, the detection is reminded, so that the use safety of the automobile is convenient to ensure.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. An automobile four-wheel alignment detection device, comprising:
the front wheel fixing device comprises a frame (1) and two groups of front wheel fixing frames (2), wherein the two groups of front wheel fixing frames (1) are symmetrically arranged on the left side and the right side of the front part of the frame (1);
two groups of rear wheel fixing frames (3) are symmetrically arranged at the left side and the right side of the rear part of the frame (1);
the front wheel fixing frame (2) is connected with a front wheel detection device, the rear wheel fixing frame (3) is connected with a rear wheel detection device, and the front wheel fixing frame (2) and the rear wheel fixing frame (3) are respectively connected with an adjustable positioning device;
the controller is electrically connected with the front wheel detection device, the rear wheel detection device and the display respectively.
2. A four-wheel alignment detecting device for an automobile according to claim 1, wherein,
the front wheel fixing frame (2) is fixedly connected with the left side or the right side of the front part of the frame (1) through a first connecting rod (4);
the rear part of the frame (1) is provided with a sliding groove (5), a sliding block (6) is connected in the sliding groove (5), the rear wheel fixing frame (3) is fixedly connected with the sliding block (6) through a second connecting rod (7), the rear part of the frame (1) is connected with an electric telescopic rod (12), and the electric telescopic rod (12) is used for driving the sliding block (6) to slide along the sliding groove (5).
3. The four-wheel alignment detection device according to claim 1, wherein the front wheel mount (2) and the rear wheel mount (3) each comprise:
the novel multifunctional box comprises a first box body (21) and a second box body (22), wherein the second box body (22) is connected to one side, close to a rack (1), of the first box body (21), one side, connected with the second box body (22), of the first box body (21) is communicated, a first box cover is detachably connected to the upper end of the first box body (21), a front cavity (23), a middle cavity (24) and a rear cavity (25) are arranged in the second box body (22), a second box cover is connected to the upper end of the middle cavity (24), and a third box cover is connected to the upper ends of the front cavity (23) and the rear cavity (25);
the adjustable positioning device (8) comprises: two front-to-back symmetrical positioning groups, the positioning groups comprising: the screw rod (82) extends along the front-rear direction, and the screw rod (82) is rotationally connected with the front inner wall of the front cavity (23) or the rear inner wall of the rear cavity (25); the matching sliding block (83) is in threaded sleeve connection with the screw rod (82); the positioning column (81) is connected to one side of the matching sliding block (83) close to each other, and the positioning column (81) is positioned in the middle cavity (24); the screw rod (82) is driven to rotate by a driving mechanism (9).
4. A four-wheel alignment detection device for a vehicle according to claim 3, wherein the drive mechanism (9) comprises:
a drive case (91) mounted in the first housing (21);
the first matching shaft (92) is rotationally connected with the front and rear inner walls of the first box body (21) at two ends respectively;
a drive motor (93) mounted in the drive housing (91);
the second matching shaft (94) is fixedly connected to the output end of the driving motor (93);
the first matching bevel gear (95) is fixedly sleeved at one end of the second matching shaft (94) far away from the driving motor (93);
the second matched bevel gear (96) is fixedly sleeved on the first matched shaft (92), and the first matched bevel gear (95) and the second matched bevel gear (96) are in meshed transmission;
the two first belt pulleys (912) are fixedly sleeved on the front part and the rear part of the first matching shaft (92), the two lead screws (82) of the two positioning groups are respectively fixedly sleeved with the second belt pulleys (913), and the two first belt pulleys (912) are respectively in transmission with the two second belt pulleys (913) through the two belts (914).
5. The automotive four-wheel alignment detection apparatus according to claim 4, wherein the front wheel detection apparatus (10) comprises: a first support link (101) connected to the front drive case (91); the first detection plate (102) is fixedly connected to one side, close to the positioning column (81), of the first support connecting rod (101), and a first deflection detection device is arranged on the first detection plate (102);
the rear wheel detection device (11) comprises: a second support link (111) connected to the rear drive case (91); and the second detection plate (112) is fixedly connected to one side, close to the positioning column (81), of the second support connecting rod (111), and a second offset detection device is arranged on the detection plate.
6. A four-wheel alignment detection device for a vehicle according to claim 4, wherein the drive mechanism (9) further comprises:
the circular sliding groove (911) is formed in the circumferential side of the matching cylinder (97);
the matching slide bar (98) is in sliding connection with the annular slide groove (911);
the connecting plate (99) is fixedly connected with the matched sliding rod (98), and the connecting plate (99) is fixedly connected with one end of the first supporting connecting rod (101) or the second supporting connecting rod (111) far away from the frame (1);
and the two ends of the matched spring (910) are fixedly connected with the connecting plate (99) and the inner wall of the driving shell (91) respectively.
7. The four-wheel alignment detection device according to claim 5, wherein the first support link (101) and the second support link (111) are further provided with imaging means.
8. An automotive four-wheel alignment detection device according to claim 4, characterized in that the adjustable alignment device (8) further comprises:
the positioning box (84), the front and back sides of the upper part of the positioning box (84) are provided with inlets of positioning columns (81);
support structure, set up in positioning box (84) and be located between fore-and-aft side's reference column (81), support structure includes: the supporting sleeve (86) is fixedly connected to the inner wall of the lower end of the positioning box (84); the support column (87) is in sliding connection in the support sleeve (86), and an extension section (88) is integrally arranged on the outer side of the lower part of the support column (87) in an extending mode; the two ends of the supporting spring (89) are fixedly connected with the inner side wall of the extending section (88) and the inner side wall of the supporting sleeve (86) respectively; the upper ends of the spring rods (810) are fixedly connected with the middle parts of the lower ends of the supporting columns (87), and the lower ends of the spring rods (810) are fixedly connected with the inner wall of the positioning box (84);
two sets of bilateral symmetry's detection mechanism, detection mechanism includes: the supporting block (811) is fixedly connected with the left inner wall or the right inner wall of the positioning box (84), and one side, close to each other, of the supporting block (811) is an inclined plane; a limit groove (812) vertically arranged on the inclined plane; two first fixed pulleys (813) which are arranged on the front side wall or the rear side wall of the supporting sleeve (86) at intervals up and down; the mounting block (819) is connected in the limit groove (812) in a sliding mode along the direction perpendicular to the inclined plane, and the mounting block (819) is used for mounting the detection device; the first matching rack (814) is fixedly connected to the lower end of the mounting block (819); the matched rack II (815) is connected in the limit groove (812) in a sliding way; the matched gear (816) is rotationally connected in the limit groove (812), and the matched gear (816) is respectively meshed with the matched rack I (814) and the matched rack II (815); the pulling block (817) is fixedly connected to the left part or the right part of the lower end of the supporting column (87); one end of the connecting stay rope (818) is fixedly connected with the lower end of the pulling block (817), the other end of the connecting stay rope (818) is fixedly connected with the lower end of the matched rack II (815), and the connecting stay rope (818) is wound on the first fixed pulley (813).
9. The four-wheel positioning detection device for the automobile according to claim 4, wherein the ground at the rear end of the frame (1) is further provided with a platform (13), and the automobile runs towards the frame (1) after entering the platform (13); further comprises:
the distance detection device is arranged on the platform (13) and is used for detecting the distance between the center of a wheel of the automobile and the top end of the platform (13);
the temperature detection device is arranged on the platform (13) and is used for detecting the temperature of the wheels;
the controller is in communication connection with an automobile controller on the automobile, when the automobile moves on a platform (13), the controller obtains automobile wheel information transmitted by the automobile controller, and the automobile wheel information comprises: the used time length of the automobile wheels and the rated total used time length of the automobile wheels;
the alarm, the controller is connected with distance detection device, temperature detection device, alarm electricity, the controller is based on car controller, distance detection device, temperature detection device control alarm warning, includes:
calculating an alarm evaluation coefficient P based on an automobile controller, a distance detection device, a temperature detection device and the following formula, and controlling an alarm to alarm by the controller when the P is not in a preset range;
d is the outer diameter of the wheel; h is the detection value of the distance detection device, P is the air pressure of the wheel, A is the vertical load born by the wheel, pi takes the value of 3.14, R is the curvature radius of the wheel of the automobile, K 1 Is a first coefficient; t (T) 2 For the rated total service time of the wheel, T 1 For wheels of vehicleA used time period; t is a unit time; c is a second coefficient, B 1 For the surface temperature of the wheel, B 0 E is a natural constant and L is a unit length for presetting a reference temperature of the wheel.
10. A detection method of an automotive four-wheel alignment detection device according to any one of claims 1 to 9, characterized in that, after the front wheel mount (2) and the rear wheel mount (3) are mounted, the third covers of the front wheel mount (2) and the rear wheel mount (3) are in a closed state, the first covers of the front wheel mount (2) and the rear wheel mount (3), the second covers of the front wheel mount (2) are in an open state; the second box cover is an automatic opening and closing door, and the method comprises the following steps:
step 1: the adjusting slide block (6) is driven to move through the electric telescopic rod (12), so that the distance between the front wheel fixing frame (7) and the rear wheel fixing frame (3) is matched with the distance between the front wheel and the rear wheel of the automobile to be detected;
step 2: moving the automobile to be detected to an automobile four-wheel positioning detection device, and opening a second box cover of the rear wheel fixing frame (3) after the front wheel of the automobile completely passes through the rear wheel fixing frame (3);
step 3: the front wheel of the automobile to be detected is placed between the front positioning column (81) and the rear positioning column (81) in the front wheel fixing frame (2), and the rear wheel of the automobile to be detected is placed between the front positioning column (81) and the rear positioning column (81) in the rear wheel fixing frame (3);
step 4: the offset values of the front wheels and the rear wheels of the automobile are detected by the offset detector I and the offset detector II, and the offset values are displayed by a display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310505582.8A CN116659443A (en) | 2023-04-30 | 2023-04-30 | Automobile four-wheel positioning detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310505582.8A CN116659443A (en) | 2023-04-30 | 2023-04-30 | Automobile four-wheel positioning detection device and method |
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| Publication Number | Publication Date |
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| CN116659443A true CN116659443A (en) | 2023-08-29 |
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| CN202310505582.8A Pending CN116659443A (en) | 2023-04-30 | 2023-04-30 | Automobile four-wheel positioning detection device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685925A (en) * | 2024-01-31 | 2024-03-12 | 钛玛科（北京）工业科技有限公司 | Roller passing parallelism detection system |
| CN117685925B (en) * | 2024-01-31 | 2024-05-14 | 钛玛科（北京）工业科技有限公司 | Roller passing parallelism detection system |
-
2023
- 2023-04-30 CN CN202310505582.8A patent/CN116659443A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685925A (en) * | 2024-01-31 | 2024-03-12 | 钛玛科（北京）工业科技有限公司 | Roller passing parallelism detection system |
| CN117685925B (en) * | 2024-01-31 | 2024-05-14 | 钛玛科（北京）工业科技有限公司 | Roller passing parallelism detection system |
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