CN117705035A - Vehicle part detects frock - Google Patents

Abstract

The invention relates to the technical field of vehicle part detection, in particular to a vehicle part detection tool which comprises a centering mechanism, a rotary driving mechanism, a roundness detection mechanism and a base, wherein the centering mechanism is rotatably connected to the base and is connected with the rotary driving mechanism on the base, two roundness detection mechanisms are arranged and are oppositely connected to the base, and the centering mechanism is positioned between the two roundness detection mechanisms. After the positioning, the hub is driven to rotate through the cooperation of the rotary driving mechanism and the centering mechanism, so that the roundness of the hub is detected through the two roundness detection mechanisms on two sides, the contact positions of the two roundness detection mechanisms and the rim of the hub are adjustable, the roundness of two different positions is detected conveniently, and the detection efficiency is high.

Description

Vehicle part detects frock

Technical Field

The invention relates to the technical field of vehicle part detection, in particular to a vehicle part detection tool.

Background

With the improvement of living standard, automobiles become a common riding-instead tool, the rapid increase of the number of automobiles directly promotes the rapid development of automobile manufacturing industry, and under the background, people have a larger pursuit of the quality of automobiles. Whether the automobile is running steadily is a big standard for judging the comfort level of the automobile, besides ensuring that a buffer system of the automobile can work normally, the roundness of an automobile hub is an important factor, because a certain error can be generated in the production process of the hub, the hub is not a perfect circle, the normal running of the automobile cannot be influenced in an allowable range due to the general error, when the error exceeds a limit value, the automobile can jump during running, on one hand, the comfort level of the automobile during running can be influenced, on the other hand, the control degree of a driver on the automobile can be reduced, accidents can be easily caused during high-speed running, in order to ensure the quality of the hub, the roundness of the hub needs to be detected, so that unqualified hub assembly into the automobile is prevented, and the detection equipment in the prior art is complex in structure and slow in detection speed.

Disclosure of Invention

The invention aims to provide a vehicle part detection tool which can effectively solve the problems in the prior art.

The aim of the invention is achieved by the following technical scheme:

the utility model provides a vehicle parts detects frock, includes centering mechanism, rotary driving mechanism, true circle degree detection mechanism and base, and centering mechanism rotates to be connected on the base, and is connected with rotary driving mechanism on the base, and true circle degree detection mechanism is equipped with two, and two true circle degree detection mechanisms are connected on the base relatively, and centering mechanism is located between two true circle degree detection mechanisms.

Optionally, the centering mechanism comprises a lower tray, and the lower tray is rotatably connected to the base and connected with the rotary driving mechanism; the top end of the lower tray is fixedly connected with the upper tray through a central column; the upper tray is connected with a centering rod assembly.

Optionally, the centering rod assembly comprises an electric push rod, the fixed end of the electric push rod is connected to the center column, the movable end of the electric push rod is connected with a push-pull sliding frame, the push-pull sliding frame slides on the center column, one ends of a plurality of inclined connecting rods are rotationally connected to the push-pull sliding frame, the other ends of the plurality of inclined connecting rods are rotationally connected with the lower ends of a plurality of inner and outer sliding blocks, the middle parts of the plurality of inner and outer sliding blocks slide in a plurality of inner and outer sliding ways on the upper tray, and the upper ends of the plurality of inner and outer sliding blocks are fixedly connected with a plurality of centering pressing blocks; the inner slide ways and the outer slide ways are internally and fixedly provided with guide cross shafts, and the inner slide blocks and the outer slide blocks are in one-to-one sliding fit with the guide cross shafts; and a plurality of centering press blocks are mutually attached to form a cylindrical structure.

Optionally, a vehicle spare part detects frock, still include top locking mechanism, top locking mechanism includes locking control assembly, locking control assembly connects on last tray, locking control assembly transmission connects a plurality of locking linkage assemblies, a plurality of locking linkage assemblies are connected with a plurality of centering briquetting one-to-one, all are equipped with the slip locking assembly on a plurality of centering briquetting, a plurality of slip locking assemblies are connected with a plurality of locking linkage assemblies one-to-one.

Optionally, the locking control assembly comprises a locking control motor, the locking control motor is fixed on the upper tray, the output end of the locking control motor is connected with a rotating shaft, the middle part of the rotating shaft rotates at the center of the bearing support, the bearing support is fixed on the upper tray, a driving bevel gear is fixed on the rotating shaft, and the driving bevel gear is connected with the locking linkage assemblies.

Optionally, the locking linkage assembly comprises a driven bevel gear, the driven bevel gear is vertically meshed with the driving bevel gear, the driven bevel gear is fixed on a rotating pipe, and the rotating pipe is rotationally connected to the side part of the bearing bracket; the rotating pipe is in sliding fit with one end of a linkage cross shaft, a linkage chute is arranged on the linkage cross shaft, and the linkage chute is in sliding fit with a linkage sliding block fixed on the inner wall of the rotating pipe; the linkage cross shaft rotates at the inner end of the centering pressing block through the support, the lower bevel gear is fixed on the linkage cross shaft and is vertically meshed with the upper bevel gear, the upper bevel gear is fixed on the linkage vertical shaft, and the upper end and the lower end of the linkage vertical shaft rotate at the upper end and the lower end of the groove in the centering pressing block; the top end of the linkage vertical shaft is fixed with a transmission gear, and the transmission gear is connected with the sliding locking assembly.

Optionally, the sliding locking assembly comprises a sliding locking block, a guide chute is arranged in the middle of the sliding locking block, the guide chute is internally matched with the guide block in a sliding way, a limiting cross shaft is fixed on the guide block, the middle of the limiting cross shaft slides in a central hole at the inner end of the sliding locking block, and a transmission gear is positioned in the guide chute and meshed with rack teeth arranged at one end at the inner side of the guide chute so as to drive the sliding locking block to perform sliding movement in the inner and outer directions on the guide block and the limiting cross shaft; the shaft body of the limiting transverse shaft positioned on the inner side surfaces of the guide block and the guide chute is sleeved with a tensioning spring; the outer end of the bottom of the sliding locking block is provided with an inclined pressing surface, and the height of the inclined pressing surface gradually decreases from one end far away from the axis of the central column to one end close to the axis of the central column.

Optionally, the true roundness detection mechanism includes the cross bracket, and cross bracket one end slides at the support column middle part, and the support column is fixed on the base, and cross bracket other end threaded connection is at the screw rod middle part that adjusts the height, and the screw rod that adjusts the height rotates to be connected on the base, and cross bracket middle part sliding fit slip diaphragm middle part, the detection head subassembly is connected to slip diaphragm inner, and the tight screw rod one end is adjusted in slip diaphragm outer end rotation connection, adjusts tight screw rod middle part threaded connection on the cross bracket.

Optionally, the detecting head assembly comprises a turnover bracket, one end of the turnover bracket is fixed on a turnover shaft, the turnover shaft rotates on a sliding transverse plate, one end of the turnover shaft is fixed with a worm wheel, the worm wheel is meshed with an adjusting worm, and the adjusting worm rotates on the sliding transverse plate; the other end of the turnover bracket is in sliding fit with a displacement sliding shaft, one end of the displacement sliding shaft is inserted into a detection groove of the turnover bracket and is fixedly connected with a displacement sliding block sliding in the detection groove, and a reset spring is fixed between the displacement sliding block and the inner side surface of the detection groove; the other end of the displacement sliding shaft is fixed with a ball seat, the ball seat is internally and rotatably connected with a detection jacking ball, the inner end of the detection jacking ball extends out of a circular opening of the ball seat, and the diameter of the circular opening is smaller than that of the detection jacking ball; a displacement sensor is arranged in the detection groove to detect the displacement distance of the displacement slide block.

Optionally, threaded connection spacing inserted bar on the upset support, spacing inserted bar inner can peg graft in the spacing slot of displacement slider, and the axis of spacing inserted bar is perpendicular with the axis of displacement slide shaft.

The invention has the beneficial effects that:

according to the vehicle part detection tool, the centering mechanism capable of rapidly centering the hub is arranged in the vehicle part detection tool, the centering mechanism can be adjusted according to the hubs with the center holes of different sizes, the positioning requirements of different hubs are met, after positioning, the hub can be driven to rotate through the cooperation of the rotary driving mechanism and the centering mechanism, so that the true circle degree of the hub is detected through the two true circle degree detection mechanisms on two sides, the contact positions of the two true circle degree detection mechanisms and the rim of the hub can be adjusted, the detection of the true circle degrees of the two different positions is facilitated, and the detection efficiency is high.

In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is apparent that the drawings in the description below are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic diagram illustrating an embodiment of the present invention;

FIG. 2 is a second overall schematic diagram according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an overall structure provided by an embodiment of the present invention;

FIG. 4 is a schematic diagram of a connection structure of a centering mechanism and a top locking mechanism according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a centering mechanism according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a centering mechanism according to a second embodiment of the present invention;

fig. 7 is a schematic structural diagram of a true roundness detection mechanism according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a top locking mechanism according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of a locking control assembly according to an embodiment of the present invention;

FIG. 10 is a schematic structural view of a locking linkage assembly according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a sliding locking assembly according to an embodiment of the present invention.

Icon: a centering mechanism 1; a lower tray 101; a center post 102; an upper tray 103; an electric push rod 104; a push-pull carriage 105; a diagonal linkage 106; an inner and outer slider 107; centering press block 108; a rotation driving mechanism 2; a roundness detection mechanism 3; a cross bracket 301; a support column 302; a height-adjusting screw 303; sliding cross plate 304; the flip holder 305; a flipping shaft 306; a worm wheel 307; an adjustment worm 308; a displacement slide shaft 309; a displacement slider 310; a return spring 311; a ball socket 312; detecting the pressing ball 313; a limit plunger 314; a base 4; a top locking mechanism 5; a lock control assembly 6; a lock control motor 601; a rotation shaft 602; a receiving bracket 603; a drive bevel gear 604; a locking linkage assembly 7; a driven bevel gear 701; rotating the tube 702; a linkage cross-axis 703; a lower bevel gear 704; an upper bevel gear 705; a linked vertical axis 706; a transmission gear 707; a slide locking assembly 8; sliding the locking block 801; a guide block 802; a limit cross shaft 803; tensioning spring 804; inclined press surface 805.

Detailed Description

In order to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of a plurality of "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are therefore not intended to limit the scope of the invention, which is defined by the claims, but are not to be limited to the specific details disclosed herein. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the present application to which they may be applied, but rather to modify or adapt the relative relationship without materially altering the technical context.

The invention is described in further detail below with reference to fig. 1-11.

As shown in fig. 1-11, a vehicle part detection tool comprises a centering mechanism 1, a rotary driving mechanism 2, a roundness detection mechanism 3 and a base 4, wherein the centering mechanism 1 is rotatably connected to the base 4 and is connected with the rotary driving mechanism 2 on the base 4, the two roundness detection mechanisms 3 are arranged, the two roundness detection mechanisms 3 are relatively connected to the base 4, and the centering mechanism 1 is positioned between the two roundness detection mechanisms 3.

According to the vehicle part detection tool disclosed by the invention, when the detection is carried out, the hub is firstly arranged on the centering mechanism 1, the centering mechanism 1 passes through the center hole of the hub to rapidly position the hub, the centering mechanism 1 can be adjusted according to the hubs of the center holes with different sizes to meet the positioning and installation requirements of different hubs, after the positioning, the positions of the two true circle detection mechanisms 3 are adjusted, so that the two true circle detection mechanisms 3 on two sides are respectively contacted with the rim of the hub, then the rotary driving mechanism 2 is controlled to start, the centering mechanism 1 can be driven to carry out rotary motion on the base 4 after the rotary driving mechanism 2 is started, so that the hub is driven to carry out rotary motion through the centering mechanism 1, when the hub rotates, different positions of the rim are contacted with the true circle detection mechanisms 3, the true circle of the hub is detected through the two true circle detection mechanisms 3 on two sides and the rim contact positions of the hub are adjustable, the true circle detection efficiency is higher, the two true circle detection mechanisms 3 are relatively arranged on two sides of the mechanism 1, and the limit of the hub can be centered to a certain extent, and the stability of rotation of the hub is improved.

The centering mechanism 1 comprises a lower tray 101, and the lower tray 101 is rotatably connected to the base 4 and is connected with the rotary driving mechanism 2; the top end of the lower tray 101 is fixedly connected with the upper tray 103 through a central column 102; the upper tray 103 is connected with a centering rod assembly.

The lower tray 101 is used for supporting the whole hub, the upper tray 103 is used for supporting the bottoms of a plurality of spokes of the hub, and the centering rod assembly is used for being inserted into a central hole of the hub and centering the hub; the upper tray 103 is further provided with a plurality of positioning inserted bars, the positioning inserted bars can be inserted into screw holes of the hubs, the number of the positioning inserted bars can be four, five or six, and the positioning inserted bars can be installed according to the hubs of different vehicle types, so that the stability of fixing the hubs is improved.

The centering rod assembly comprises an electric push rod 104, wherein the fixed end of the electric push rod 104 is connected to a center column 102, the movable end of the electric push rod 104 is connected with a push-pull sliding frame 105, the push-pull sliding frame 105 slides on the center column 102, one ends of a plurality of inclined connecting rods 106 are rotationally connected to the push-pull sliding frame 105, the other ends of the plurality of inclined connecting rods 106 are rotationally connected with the lower ends of a plurality of inner and outer sliding blocks 107, the middle parts of the plurality of inner and outer sliding blocks 107 slide in a plurality of inner and outer sliding ways on an upper tray 103, and the upper ends of the plurality of inner and outer sliding blocks 107 are fixedly connected with a plurality of centering pressing blocks 108; the inner slide ways and the outer slide ways are internally provided with guide cross shafts, and the inner slide blocks and the outer slide blocks 107 are in one-to-one sliding fit with the guide cross shafts; the plurality of centering compacts 108 form a cylindrical structure when attached to one another.

The centering rod assembly is used for being inserted into a central hole of a hub to center the hub, when the centering rod assembly is used, the centering rod assembly can be adjusted according to the central holes of different hubs, after a cylindrical structure formed when a plurality of centering press blocks 108 are mutually attached is inserted into the central hole of the hub, the electric push rod 104 is controlled to be started, the electric push rod 104 can drive the push-pull sliding frame 105 to move, when the push-pull sliding frame 105 slides on the central column 102, one end of the plurality of inclined connecting rods 106 can be driven to move up and down, the other end of the plurality of inclined connecting rods 106 is rotationally connected with the lower ends of the plurality of inner and outer slide blocks 107, so that the plurality of inner and outer slide blocks 107 are driven to slide in a plurality of inner and outer slide ways on the upper tray 103, and the plurality of inner and outer slide blocks 107 are driven to move towards the axis direction of the central column 102 or away from the axis direction of the central column 102 during sliding movement, and the positions of the plurality of centering press blocks 108 are adjusted, so that the plurality of centering press blocks 108 can be controlled to be tightly propped in the central hole of the hub, the hub is stably fixed, the hub is controlled, and the hub is convenient to be controlled to rotate, and the inner and outer slide blocks 107 and the inner slide blocks and the outer slide blocks can be stably guided in a plurality of directions.

A vehicle parts detects frock, still include top locking mechanism 5, top locking mechanism 5 includes locking control assembly 6, locking control assembly 6 connects on last tray 103, locking control assembly 6 transmission connects a plurality of locking linkage assemblies 7, a plurality of locking linkage assemblies 7 are connected with a plurality of centering briquetting 108 one-to-one, all are equipped with slip locking assembly 8 on a plurality of centering briquetting 108, a plurality of slip locking assembly 8 are connected with a plurality of locking linkage assemblies 7 one-to-one.

The top locking mechanism 5 is used for locking and limiting the top of a spoke of a hub, so that the hub can be stably fixed without being matched with other fixing equipment when the hub is used, after the centering rod assembly is inserted into a central hole of the hub, the locking control assembly 6 is controlled to be started, the locking control assembly 6 can drive and control the locking linkage assemblies 7 to operate, the sliding locking assemblies 8 are controlled to operate through the locking linkage assemblies 7, the sliding locking assemblies 8 are clamped at different positions of the top of the spoke of the hub, the top of the hub is locked and limited, the stability of the hub during rotation is improved, and the upper and lower shaking of the hub during rotation is prevented.

The locking control assembly 6 comprises a locking control motor 601, the locking control motor 601 is fixed on the upper tray 103, the output end of the locking control motor 601 is connected with a rotating shaft 602, the middle part of the rotating shaft 602 rotates at the center of a bearing support 603, the bearing support 603 is fixed on the upper tray 103, a driving bevel gear 604 is fixed on the rotating shaft 602, and the driving bevel gear 604 is connected with a plurality of locking linkage assemblies 7.

The locking control motor 601 can drive the rotation shaft 602 to rotate after being started, the rotation shaft 602 can drive the drive bevel gear 604 to rotate when rotating, and the rotation of the drive bevel gear 604 can drive the plurality of locking linkage assemblies 7 to rotate.

The locking linkage assembly 7 comprises a driven bevel gear 701, wherein the driven bevel gear 701 is vertically meshed with the driving bevel gear 604, the driven bevel gear 701 is fixed on a rotating pipe 702, and the rotating pipe 702 is rotatably connected to the side part of the bearing bracket 603; the rotating pipe 702 is in sliding fit with one end of a linkage cross shaft 703, a linkage chute is arranged on the linkage cross shaft 703, and the linkage chute is in sliding fit with a linkage sliding block fixed on the inner wall of the rotating pipe 702; the linkage cross shaft 703 rotates at the inner end of the centering press block 108 through a bracket, a lower bevel gear 704 is fixed on the linkage cross shaft 703, the lower bevel gear 704 is vertically meshed with an upper bevel gear 705, the upper bevel gear 705 is fixed on a linkage vertical shaft 706, and the upper end and the lower end of the linkage vertical shaft 706 rotate at the upper end and the lower end of a groove in the centering press block 108; a transmission gear 707 is fixed at the top end of the linkage vertical shaft 706, and the transmission gear 707 is connected with the sliding locking assembly 8.

When the driving bevel gear 604 rotates, the driven bevel gears 701 which are connected with the locking linkage assemblies 7 can be meshed to rotate, when the driven bevel gears 701 rotate, the driven bevel gears 701 can be driven to rotate, when the driven bevel gears 701 rotate, the rotating pipe 702 can be driven to rotate, as the linkage sliding grooves are arranged on the linkage transverse shafts 703 and are in sliding fit with the linkage sliding blocks fixed on the inner wall of the rotating pipe 702, the rotation of the rotating pipe 702 can drive the linkage transverse shafts 703 to rotate, the contact positions of the linkage transverse shafts 703 and the rotating pipe 702 can be adjusted, so that the adjustment of the positions of the centering press blocks 108 is not influenced, when the linkage transverse shafts 703 rotate, the lower bevel gears 704 can be driven to rotate, the lower bevel gears 704 are vertically meshed with the upper bevel gears 705, so that the upper bevel gears 705 are driven to rotate, the linkage vertical shafts 706 and the transmission gears 707 are driven to rotate, and the transmission gears 707 are matched with the sliding locking assemblies 8 when rotating, so that the sliding locking assemblies 8 are controlled to be locked on the top of wheel spokes or the top of the wheel hubs are unlocked.

The sliding locking assembly 8 comprises a sliding locking block 801, a guide chute is arranged in the middle of the sliding locking block 801, a guide block 802 is in sliding fit with the inside of the guide chute, a limiting cross shaft 803 is fixed on the guide block 802, the middle of the limiting cross shaft 803 slides in a central hole at the inner end of the sliding locking block 801, a transmission gear 707 is positioned in the guide chute and meshed with rack teeth arranged at one end at the inner side of the guide chute so as to drive the sliding locking block 801 to perform sliding movement in the inner and outer directions on the guide block 802 and the limiting cross shaft 803; a tensioning spring 804 is sleeved on the shaft body of the limiting transverse shaft 803 positioned on the inner side surfaces of the guide block 802 and the guide chute; the outer end of the bottom of the sliding lock block 801 is provided with an inclined pressing surface 805, and the height of the inclined pressing surface 805 gradually decreases from one end far from the axis of the center post 102 to one end near to the axis of the center post 102.

When the transmission gear 707 rotates, the transmission gear is matched with rack teeth arranged at one end of the inner side of the guide chute, so that the sliding locking block 801 is driven to slide on the guide block 802 and the limiting cross shaft 803, and the sliding locking block 801 slides out from the upper direction of the centering pressing block 108 in the direction away from the center column 102, so as to be locked at the top of the hub spoke, or moves towards the direction of the center column 102 to unlock the top of the hub spoke; the outer end of the bottom of the sliding locking block 801 is provided with an inclined pressing surface 805, the height of the inclined pressing surface 805 gradually decreases from one end far away from the axis of the center column 102 to one end close to the axis of the center column 102, so that the sliding locking block is suitable for hub spokes with different thicknesses or hub spokes with different protruding amplitudes, various use requirements are met, and the locking stability of the clamping connection is good.

The roundness detection mechanism 3 comprises a transverse bracket 301, one end of the transverse bracket 301 slides in the middle of a support column 302, the support column 302 is fixed on a base 4, the other end of the transverse bracket 301 is in threaded connection with the middle of a height-adjusting screw 303, the height-adjusting screw 303 is rotationally connected to the base 4, the middle of the transverse bracket 301 is in sliding fit with the middle of a sliding transverse plate 304, the inner end of the sliding transverse plate 304 is connected with a detection head assembly, the outer end of the sliding transverse plate 304 is rotationally connected with one end of a tightening screw, and the middle of the tightening screw is in threaded connection with the transverse bracket 301.

When the roundness detection mechanism 3 is used, after the hub is stably fixed on the centering mechanism 1, the positions of the roundness detection mechanisms 3 on two sides are adjusted, the height adjusting screw 303 is rotated at first, the contact position between the height adjusting screw 303 and the transverse bracket 301 is changed when the height adjusting screw 303 rotates, so that the transverse bracket 301 is controlled to drive the sliding transverse plate 304 and the height of the detection head assembly to be adjusted, the detection head assembly is convenient to contact with wheel rims in different positions, then the tightening screw is controlled to rotate, the contact position between the detection head assembly and the transverse bracket 301 is changed when the tightening screw rotates, so that the sliding transverse plate 304 transversely slides on the transverse bracket 301, the detection head assembly is driven to tightly prop up on the hub, and when the hub rotates, the detection head assembly detects different positions of the wheel rims, so as to detect the roundness of the wheel rims.

The detection head assembly comprises a turnover support 305, one end of the turnover support 305 is fixed on a turnover shaft 306, the turnover shaft 306 rotates on a sliding transverse plate 304, a worm wheel 307 is fixed at one end of the turnover shaft 306, the worm wheel 307 is meshed with an adjusting worm 308, and the adjusting worm 308 rotates on the sliding transverse plate 304; the other end of the turnover support 305 is in sliding fit with a displacement sliding shaft 309, one end of the displacement sliding shaft 309 is inserted into a detection groove of the turnover support 305 and is fixedly connected with a displacement sliding block 310 sliding in the detection groove, and a reset spring 311 is fixed between the displacement sliding block 310 and the inner side surface of the detection groove; the other end of the displacement sliding shaft 309 is fixed with a ball seat 312, the ball seat 312 is rotationally connected with a detection pressing ball 313, the inner end of the detection pressing ball 313 extends out of a circular opening of the ball seat 312, and the diameter of the circular opening is smaller than that of the detection pressing ball 313; a displacement sensor is installed in the detection groove to detect the distance of displacement of the displacement slider 310.

When the detecting head assembly is used, the detecting jacking ball 313 is adjusted to be in contact with the hub rim, when the hub rotates, the detecting jacking ball 313 changes the contact position with the hub rim, when the true roundness of the hub rim has a large difference, the jacking ball 313 is kept in a tightly-jacking state on the hub rim under the action of the elasticity of the reset spring 311, at the moment, if the hub rim has a bulge or a dent, the jacking ball 313 is displaced along with the bulge, the displacement sliding shaft 309 is driven to perform sliding motion on the overturning bracket 305 when the jacking ball 313 moves, the displacement sliding shaft 309 is driven to slide in the detecting groove when the displacement sliding shaft 309 slides, so that displacement is generated, a displacement sensor is arranged in the detecting groove, the displacement of the displacement sliding block 310 can be detected, a displacement measuring result is transmitted to the controller, a displacement graph is formed, if the highest point and the lowest point of the curve are not in a preset range interval, the true roundness of the detecting hub is poor, factory returning maintenance is required, the detecting efficiency is high, and the result is accurate; the ball seat 312 is rotationally connected with the detection pressing ball 313, and the inner end of the detection pressing ball 313 extends out of the circular opening of the ball seat 312, so that the pressing ball 313 and the hub rim can relatively rotate during detection, the friction resistance during rotation of the hub is reduced, and the abrasion between the pressing ball 313 and the hub rim is reduced; the diameter of the circular opening is smaller than the diameter of the detection pressing ball 313 so that the detection pressing ball 313 does not fall.

The turning support 305 is connected with a limit insert rod 314 through threads, the inner end of the limit insert rod 314 can be inserted into a limit slot of the displacement slide block 310, and the axis of the limit insert rod 314 is perpendicular to the axis of the displacement slide shaft 309. The setting of the stop lever 314 facilitates the relative fixing of the position of the control displacement slider 310 when not detected, so as to enable the detection of the accurate pressing of the pressing ball 313 on the hub rim.

In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims (10)

1. The utility model provides a vehicle spare part detects frock, a serial communication port, including centering mechanism (1), rotary drive mechanism (2), true circle degree detection mechanism (3) and base (4), centering mechanism (1) rotate connect on base (4), and be connected with rotary drive mechanism (2) on base (4), true circle degree detection mechanism (3) are equipped with two, two true circle degree detection mechanisms (3) are connected on base (4) relatively, centering mechanism (1) are located between two true circle degree detection mechanisms (3).

2. The vehicle part detection tool according to claim 1, wherein the centering mechanism (1) comprises a lower tray (101), and the lower tray (101) is rotatably connected to the base (4) and is connected to the rotation driving mechanism (2); the top end of the lower tray (101) is fixedly connected with the upper tray (103) through a central column (102); the upper tray (103) is connected with a centering rod assembly.

3. The vehicle part detection tool according to claim 2, wherein the centering rod assembly comprises an electric push rod (104), a fixed end of the electric push rod (104) is connected to the center column (102), a movable end of the electric push rod (104) is connected to a push-pull sliding frame (105), the push-pull sliding frame (105) slides on the center column (102), one end of a plurality of inclined connecting rods (106) is rotationally connected to the push-pull sliding frame (105), the other ends of the plurality of inclined connecting rods (106) are rotationally connected with lower ends of a plurality of inner and outer sliding blocks (107), middle parts of the plurality of inner and outer sliding blocks (107) slide in a plurality of inner and outer sliding ways on the upper tray (103), and upper ends of the plurality of inner and outer sliding blocks (107) are fixedly connected with a plurality of centering pressing blocks (108); the inside and outside slide ways are internally provided with guide cross shafts, and the inside and outside slide blocks (107) are in one-to-one sliding fit with the guide cross shafts; a plurality of centering compacts (108) form a cylindrical structure when attached to one another.

4. A vehicle part detection tool according to claim 2 or 3, further comprising a top locking mechanism (5), wherein the top locking mechanism (5) comprises a locking control assembly (6), the locking control assembly (6) is connected to the upper tray (103), the locking control assembly (6) is in transmission connection with a plurality of locking linkage assemblies (7), the locking linkage assemblies (7) are in one-to-one fit connection with a plurality of centering press blocks (108), sliding locking assemblies (8) are arranged on the centering press blocks (108), and the sliding locking assemblies (8) are in one-to-one fit connection with the locking linkage assemblies (7).

5. The vehicle part detection tool according to claim 4, wherein the locking control assembly (6) comprises a locking control motor (601), the locking control motor (601) is fixed on the upper tray (103), an output end of the locking control motor (601) is connected with a rotating shaft (602), the middle part of the rotating shaft (602) rotates at the center of the bearing support (603), the bearing support (603) is fixed on the upper tray (103), a driving bevel gear (604) is fixed on the rotating shaft (602), and the driving bevel gear (604) is connected with the locking linkage assemblies (7).

6. The vehicle part detection tool according to claim 5, wherein the locking linkage assembly (7) comprises a driven bevel gear (701), the driven bevel gear (701) is vertically meshed with the driving bevel gear (604), the driven bevel gear (701) is fixed on a rotating pipe (702), and the rotating pipe (702) is rotatably connected to the side part of the receiving bracket (603); the rotating tube (702) is in sliding fit with one end of the linkage cross shaft (703), a linkage sliding groove is formed in the linkage cross shaft (703), and the linkage sliding groove is in sliding fit with a linkage sliding block fixed on the inner wall of the rotating tube (702); the linkage cross shaft (703) rotates at the inner end of the centering pressing block (108) through a bracket, the linkage cross shaft (703) is fixedly provided with a lower bevel gear (704), the lower bevel gear (704) is vertically meshed with an upper bevel gear (705), the upper bevel gear (705) is fixed on a linkage vertical shaft (706), and the upper and lower ends of the linkage vertical shaft (706) rotate at the upper and lower ends of a groove in the centering pressing block (108); a transmission gear (707) is fixed at the top end of the linkage vertical shaft (706), and the transmission gear (707) is connected with the sliding locking assembly (8).

7. The vehicle part detection tool according to claim 5 or 6, wherein the sliding locking assembly (8) comprises a sliding locking block (801), a guide chute is arranged in the middle of the sliding locking block (801), a guide block (802) is in sliding fit with the guide chute, a limit cross shaft (803) is fixed on the guide block (802), the middle of the limit cross shaft (803) slides in a central hole at the inner end of the sliding locking block (801), and a transmission gear (707) is positioned in the guide chute and meshed with rack teeth arranged at one end at the inner side of the guide chute so as to drive the sliding locking block (801) to perform sliding movement in the inner and outer directions on the guide block (802) and the limit cross shaft (803); a tensioning spring (804) is sleeved on the shaft body of the limiting transverse shaft (803) positioned on the inner side surfaces of the guide block (802) and the guide chute; the outer end of the bottom of the sliding locking block (801) is provided with an inclined pressing surface (805), and the height of the inclined pressing surface (805) gradually decreases from one end far away from the axis of the central column (102) to one end close to the axis of the central column (102).

8. The vehicle part detection tool according to claim 1, wherein the true roundness detection mechanism (3) comprises a transverse bracket (301), one end of the transverse bracket (301) is slidably arranged in the middle of a supporting column (302), the supporting column (302) is fixed on a base (4), the other end of the transverse bracket (301) is in threaded connection with the middle of a height-adjusting screw (303), the height-adjusting screw (303) is rotatably connected to the base (4), the middle of the transverse bracket (301) is slidably matched with the middle of a sliding transverse plate (304), the inner end of the sliding transverse plate (304) is connected with a detection head assembly, the outer end of the sliding transverse plate (304) is rotatably connected with one end of a tightening screw, and the middle of the tightening screw is in threaded connection with the transverse bracket (301).

9. The vehicle part detection tool according to claim 8, wherein the detection head assembly comprises a turnover support (305), one end of the turnover support (305) is fixed on a turnover shaft (306), the turnover shaft (306) rotates on a sliding transverse plate (304), one end of the turnover shaft (306) is fixed with a worm wheel (307), the worm wheel (307) is meshed with an adjusting worm (308), and the adjusting worm (308) rotates on the sliding transverse plate (304); the other end of the turnover support (305) is in sliding fit with a displacement sliding shaft (309), one end of the displacement sliding shaft (309) is inserted into a detection groove of the turnover support (305) and is fixedly connected with a displacement sliding block (310) sliding in the detection groove, and a reset spring (311) is fixed between the displacement sliding block (310) and the inner side surface of the detection groove; the other end of the displacement sliding shaft (309) is fixedly provided with a ball seat (312), the ball seat (312) is rotationally connected with a detection jacking ball (313), the inner end of the detection jacking ball (313) extends out of a circular opening of the ball seat (312), and the diameter of the circular opening is smaller than that of the detection jacking ball (313); a displacement sensor is arranged in the detection groove to detect the displacement distance of the displacement slide block (310).

10. The vehicle part detection tool according to claim 9, wherein the turning support (305) is connected with a limiting inserting rod (314) through threads, the inner end of the limiting inserting rod (314) can be inserted into a limiting slot of the displacement sliding block (310), and the axis of the limiting inserting rod (314) is perpendicular to the axis of the displacement sliding shaft (309).