CN215177616U - Brake disc run-out degree detection positioning device - Google Patents
Brake disc run-out degree detection positioning device Download PDFInfo
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- CN215177616U CN215177616U CN202121466997.1U CN202121466997U CN215177616U CN 215177616 U CN215177616 U CN 215177616U CN 202121466997 U CN202121466997 U CN 202121466997U CN 215177616 U CN215177616 U CN 215177616U
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Abstract
The utility model discloses a brake disc run-out degree detecting and positioning device, which comprises a frame consisting of a bottom plate, a vertical support frame and an upper support plate; the hydraulic lifting machine is arranged on the bottom plate; a positioning unit disposed below the upper support plate; a floating pressing unit disposed above the moving part; the floating pressing unit comprises a connecting plate, a floating jig and a positioning bush, the connecting plate and the floating jig are cylindrical, the connecting plate is connected with the top of the moving part, the upper part of the floating jig is connected with the positioning bush through a bolt, and a through hole is formed in the middle of the positioning bush; be provided with guide part and adjustment portion between connecting plate and the tool that floats, guide part with the adjustment portion is used for adjusting the levelness of waiting to examine the brake disc. The utility model discloses the advantage lies in when having impurity between brake disc and the location bush, offsets the influence of impurity to the brake disc angle through the compression of spring, ensures that the brake disc is in the horizontality in the testing process to improve and detect the precision.
Description
Technical Field
The utility model relates to a detect positioner, especially relate to a brake disc run-out degree detects positioner.
Background
The automobile is in process of production, need detect the brake disc degree of beating, current detection method is with the brake disc, put on the tool that floats after the wheel hub partial shipment, hydraulic means lifts the tool that floats until wheel hub and last positioning jig laminating, the motor drives the rotation main shaft rotation, lower floating tool follows the rotation main shaft rotation under the effect of shaft coupling, the infrared displacement sensor who is located the brake disc top detects the distance of sensor to brake disc in succession and the record, get the difference between maximum value and minimum and judge the standard value and compare, if the difference is greater than the standard value then judge NG, if the difference is less than the standard value then judge OK. The technology that detects at present uses two sets of fixed tools from top to bottom to press from both sides tight location to the brake disc in the testing process usually, places the brake disc on the tool that floats, thereby causes the tool decentraction easily and causes the measurement error about being attached to impurity or the tool that floats when having light slope when floating the tool, reduces and detects the precision.
Disclosure of Invention
An object of the utility model is to provide a brake disc run-out degree detects positioner.
In order to achieve the above purpose, the utility model can adopt the following technical proposal:
brake disc run-out degree detection and positioning device, include
The device comprises a rack, a lifting mechanism and a lifting mechanism, wherein the rack comprises a bottom plate, a vertical support frame and an upper support plate;
the moving unit comprises a moving part and a hydraulic lifter, and the hydraulic lifter is arranged on the bottom plate and is used for driving the moving part to lift;
the positioning unit is arranged below the upper supporting plate;
the floating pressing unit is arranged above the moving part and used for enabling the brake disc to be detected to be attached to the positioning unit and detecting;
the floating compression unit comprises a connecting plate, a floating jig and a positioning bush which are sequentially arranged from bottom to top, the connecting plate and the floating jig are cylindrical, the connecting plate is connected with the top of the moving part, the upper part of the floating jig is connected with the positioning bush through a bolt, a through hole is formed in the middle of the positioning bush, and the size of the through hole is matched with the bottom of the brake disc to be detected; be provided with guide part and adjustment portion between connecting plate and the tool that floats, guide part with the adjustment portion is used for adjusting the levelness of waiting to examine the brake disc.
A stepped lower counter bore is formed in the middle of the connecting plate, a plurality of first spring holes are formed in the circumference of the upper plane of the connecting plate at intervals, and the first spring holes are blind holes; uniformly forming a plurality of first connecting holes in the connecting plate and the circumferential positions of the first spring holes, wherein the first connecting holes are inverted trapezoidal holes penetrating through the connecting plate; the middle of the floating jig is provided with a through hole, a second spring hole and a second connecting hole which are adaptive to each other in size are respectively formed in the positions, corresponding to the first spring hole and the first connecting hole, of the connecting plate on the lower plane of the floating jig, the second spring hole is a blind hole, and the second connecting hole is a trapezoidal hole; the guide part is a T-shaped bolt respectively arranged between each first connecting hole and each second connecting hole, and the adjusting part is a spring respectively arranged between each first spring hole and each second spring hole; adjustment portion and guide part make to have flexible holding power between connecting plate and the tool that floats, receive the exogenic action when the tool that floats, the T shape bolt and the spring of relevant position have certain flexible function, can treat the levelness of brake disc by the automatic adjustment.
Four first connecting holes are uniformly distributed on the connecting plate at intervals, and two first spring holes are uniformly distributed between every two adjacent first connecting holes at intervals.
The bottom plate, erect support frame and go up the backup pad and be the rectangle steel sheet, the bottom plate four corners sets up the connecting hole, passes through with the rag bolt the connecting hole is fixed on ground, erect the support frame and weld perpendicularly on the bottom plate, go up backup pad horizontal welding at perpendicular support frame top.
The moving part comprises a fixed slide rail which is connected to the vertical support frame through a bolt, the fixed slide rail is connected with a moving slide plate through a moving slide block, the size of the moving slide block is matched with the track of the fixed slide rail, a moving platform is vertically arranged on the moving slide plate, a motor is arranged on the moving platform, a bearing cylinder is arranged at the position, corresponding to the moving platform, on the upper part of the motor, a coupler is arranged in the bearing cylinder, and a motor spindle of the motor is in driving connection with the coupler; the upper part of the bearing cylinder is provided with a lower jig, a rotating main shaft is arranged in the lower jig, the lower part of the rotating main shaft is in driving connection with a coupler, the top of the rotating main shaft is connected with a rotating support base through a bolt, and the rotating support base is connected with the connecting plate through a bolt.
The positioning unit comprises a fixed base, a fixed jig, a positioning mandrel and a positioning sensor; the fixed base is connected to the top of the upper supporting plate through bolts, the lower part of the fixed base is connected with the fixed jig through bolts, and the positioning mandrel is arranged inside the fixed jig; the fixed base, the fixed jig and the positioning mandrel are coaxial and coincide with the axis of the positioning bush at the lower part; and a positioning sensor is arranged outside the fixed jig and used for detecting the jumping degree of the brake disc to be detected.
The sliding plate fixing device is characterized in that a limiting support is arranged on a vertical support frame at the top of the fixed sliding rail, a hydraulic buffer is arranged on the limiting support, and the hydraulic buffer can guarantee that the sliding plate moves in a certain stroke.
The utility model has the advantages that the fixed slide rail adopts a precise linear slide rail, which can ensure the reciprocating precision of the mobile platform and the compression strength of the equipment; the connecting plate sets up corresponding spring and connecting hole with the tool that floats among the unit that compresses tightly floats, through spring and T shape bolted connection, changes the compression volume of spring through hydraulic lift, makes to have flexible holding power between connecting plate and the tool that floats, when having impurity between brake disc and the location bush, offsets the influence of impurity to the brake disc angle through the compression of spring, ensures that the brake disc is in the horizontality at the testing process to improve and detect the precision.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the structure of the connection plate of the present invention.
Fig. 3 is a top view of the connection plate of the present invention.
Fig. 4 is a sectional view taken along line a-a of fig. 3.
Fig. 5 is a schematic view of the floating fixture of the present invention.
Fig. 6 is a plan view of the floating fixture of the present invention.
Fig. 7 is a sectional view taken along line B-B in fig. 6.
Fig. 8 is a schematic structural diagram of the floating compressing unit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-8, a brake disc runout detecting and positioning device of the present invention: the device comprises a rack, wherein the rack consists of three parts, namely a bottom plate 100, a vertical support frame 110 and an upper support plate 120, the bottom plate 100, the vertical support frame 110 and the upper support plate 120 are all rectangular steel plates, connecting holes are formed in four corners of the bottom plate 100 and are fixed on the ground through the connecting holes by using ground bolt, the vertical support frame 110 is vertically welded on the bottom plate 100, and the upper support plate 120 is horizontally welded on the top of the vertical support frame 110;
a moving unit is arranged on the rack and comprises a moving part and a hydraulic lifter 240, the moving part comprises a fixed slide rail 200 which is connected to the vertical support frame 110 through bolts, and the fixed slide rail 200 is a precise linear slide rail; the fixed slide rail 200 is connected with a movable slide plate 220 through a movable slide block 210, the size of the movable slide block 210 is matched with that of the fixed slide rail 200, the movable slide plate 220 is connected through a bolt, and a movable platform 230 is vertically welded on the movable slide plate 220; a hydraulic lifter 240 is arranged on the movable platform 230, and the bottom of the hydraulic lifter 240 is connected to the base 100 through bolts; the upper part of the hydraulic lifter 240 is provided with a hydraulic rod 241, the hydraulic rod 241 is connected with the movable platform 230 through a bolt, and the hydraulic lifter 240 drives the movable platform 230 to vertically lift on the fixed slide rail 200 through the movable sliding block 210 by using the hydraulic rod 241; a hydraulic buffer 250 and a limiting bracket 260 are arranged on the vertical support frame 110 at the top of the fixed slide rail 200 to ensure that the movable slide plate 220 moves in a certain stroke; a motor 270 is further arranged on the moving platform 230, a bearing cylinder 273 is arranged on the motor 270 and at a position corresponding to the upper part of the moving platform 230, a coupler 272 is arranged in the bearing cylinder 273, a motor spindle 271 is arranged on the motor 270, a lower jig 280 is arranged on the upper part of the bearing cylinder 273 and connected to the bearing cylinder 273 through bolts; a rotating main shaft 274 is arranged in the lower jig 280, and the lower part of the rotating main shaft 274 is connected with a motor main shaft 271 through a coupling 272; a rotary supporting base 290 is arranged at the upper part of the rotary main shaft 274, and the top of the rotary main shaft 274 is connected with the rotary supporting base 290 through a bolt;
the floating compaction unit comprises a connecting plate 330 arranged at the upper part of the rotary supporting base 290, the connecting plate 330 is cylindrical, a stepped lower counter bore is arranged in the middle of the connecting plate 330, four first connecting holes 332 are uniformly formed in the upper plane of the connecting plate 330, two first spring holes 331 are uniformly formed between every two first connecting holes 332, the first spring holes 331 are blind holes, and the first connecting holes 332 are inverted trapezoidal holes completely penetrating through the connecting plate 330;
the upper part of the connecting plate 330 is provided with a floating jig 340, the floating jig 340 is also a cylinder, the middle part is a through hole, and the lower plane of the floating jig 340 is provided with a second spring hole 341 and a second connecting hole 342 at the positions corresponding to each first spring hole 331 and each first connecting hole 332 of the connecting plate 330; the second spring holes 341 are blind holes, the second connecting holes 342 are trapezoidal holes, the spring 351 is arranged between each first spring hole 331 and the second spring hole 341, the T-shaped bolt 352 is arranged between each first connecting hole 332 and the second connecting hole 342, the size of the T-shaped bolt 352 is slightly smaller than that of the first connecting hole 332 and the second connecting hole 342, and the T-shaped bolt 352 is in clearance fit when being matched with the first connecting hole 332 and the second connecting hole 341, so that the adjustment amount is ensured, the connecting plate 330 and the floating jig 340 have flexible supporting force, and when the floating jig 340 is subjected to external force, the T-shaped bolt 352 and the spring 351 have a certain telescopic function; the upper part of the floating jig 340 is provided with a positioning bush 350 which is connected through a bolt, the middle of the positioning bush 350 is provided with a through hole, the size of the through hole is matched with the bottom of a brake disc 360, and the brake disc 360 is placed on the positioning bush 350;
a positioning unit is arranged on the upper part of the positioning bush 350, and comprises a fixed base 400, a fixed jig 410, a positioning mandrel 420 and a positioning sensor 430; the fixed base 400 is connected to the top of the upper support plate 120 through bolts, the lower part of the fixed base 400 is connected with the fixed jig 410 through bolts, and the fixed jig 410 is internally provided with a positioning mandrel 420; the three coaxial axes of the fixed base 400, the fixed jig 410 and the positioning mandrel 420 are coincided with the axis of the lower positioning bushing 360; a positioning sensor 430 is arranged outside the fixing jig 410;
the specific working process is as follows: after the brake disc 360 to be detected and the wheel hub are separately assembled, the brake disc is placed on the positioning bush 350, the hydraulic lifter 240 is started to push the moving platform 230 to ascend, the moving platform 230 is welded on the moving sliding plate 220, the moving sliding plate 220 is pushed to vertically move upwards on the fixed sliding rail 200 through the moving sliding block 210, and the brake disc is moved to the upper hydraulic buffer 430 to stop; at the moment, the center position of the brake disc 360 is attached to the positioning mandrel 420; continuing to move the moving platform 230 upwards, moving the top of the sliding plate 220 to squeeze the hydraulic buffer 250 to make it completely enter the retracted state; at the moment, the floating pressing unit also moves upwards, and the brake disc 360 on the positioning bush 350 is in a jacking state by the positioning core shaft 420; when the brake disc 360 is placed, if impurities on the positioning bushing 350 are not cleaned up, when the impurities exist between the brake disc 360 and the positioning bushing 350, the brake disc 360 can be influenced by the impurities to change in angle and is not in a horizontal state, the moving platform 230 continues to move upwards, when the brake disc 360 is pressed, the pressure of the position with the impurities is increased, the T-shaped bolt 352 between the connecting plate 330 and the floating jig 340 at the position with the impurities sinks, the spring 351 is compressed, the influence of the impurities on the state of the brake disc can be eliminated, and the brake disc is ensured to be in the horizontal state; the floating compression unit is connected with a rotary support base 290; the rotary supporting base 290 is in bolted connection with the rotary main shaft 274, the rotary main shaft 274 is connected with the motor main shaft 271 through the coupling 272, the motor 270 is turned on, and the floating pressing unit is driven to rotate, so that the brake disc 360 on the positioning bush 350 is driven to rotate; the positioning sensor 430 arranged on the positioning unit measures the distance change from the upper plane of the brake disc 360 to the positioning sensor 430 during the rotation of the brake disc 360, and obtains the detection result of the runout degree of the brake disc 360. The device utilizes the principle of positioning 1 surface at 3 points, reduces the influence of workpiece machining errors, ensures the levelness of the brake disc and the positioning bush 350, and improves the detection precision.
Claims (7)
1. A brake disc run-out degree detection positioning device is characterized by comprising
The device comprises a rack, a lifting mechanism and a lifting mechanism, wherein the rack comprises a bottom plate, a vertical support frame and an upper support plate;
the moving unit comprises a moving part and a hydraulic lifter, and the hydraulic lifter is arranged on the bottom plate and is used for driving the moving part to lift;
the positioning unit is arranged below the upper supporting plate;
the floating pressing unit is arranged above the moving part and used for enabling the brake disc to be detected to be attached to the positioning unit and detecting;
the floating compression unit comprises a connecting plate, a floating jig and a positioning bush which are sequentially arranged from bottom to top, the connecting plate and the floating jig are cylindrical, the connecting plate is connected with the top of the moving part, the upper part of the floating jig is connected with the positioning bush through a bolt, a through hole is formed in the middle of the positioning bush, and the size of the through hole is matched with the bottom of the brake disc to be detected; be provided with guide part and adjustment portion between connecting plate and the tool that floats, guide part with the adjustment portion is used for adjusting the levelness of waiting to examine the brake disc.
2. A brake disc runout detecting and positioning device according to claim 1, wherein: a stepped lower counter bore is formed in the middle of the connecting plate, a plurality of first spring holes are formed in the circumference of the upper plane of the connecting plate at intervals, and the first spring holes are blind holes; uniformly forming a plurality of first connecting holes in the connecting plate and the circumferential positions of the first spring holes, wherein the first connecting holes are inverted trapezoidal holes penetrating through the connecting plate; the middle of the floating jig is provided with a through hole, a second spring hole and a second connecting hole which are adaptive to each other in size are respectively formed in the positions, corresponding to the first spring hole and the first connecting hole, of the connecting plate on the lower plane of the floating jig, the second spring hole is a blind hole, and the second connecting hole is a trapezoidal hole; the guide part is a T-shaped bolt respectively arranged between each first connecting hole and each second connecting hole, and the adjusting part is a spring respectively arranged between each first spring hole and each second spring hole; adjustment portion and guide part make to have flexible holding power between connecting plate and the tool that floats, receive the exogenic action when the tool that floats, the T shape bolt and the spring of relevant position have certain flexible function, can treat the levelness of brake disc by the automatic adjustment.
3. A brake disc runout detecting and positioning device according to claim 2, wherein: four first connecting holes are uniformly distributed on the connecting plate at intervals, and two first spring holes are uniformly distributed between every two adjacent first connecting holes at intervals.
4. A brake disc runout detecting and positioning device according to claim 3, wherein: the bottom plate, erect support frame and go up the backup pad and be the rectangle steel sheet, the bottom plate four corners sets up the connecting hole, passes through with the rag bolt the connecting hole is fixed on ground, erect the support frame and weld perpendicularly on the bottom plate, go up backup pad horizontal welding at perpendicular support frame top.
5. A brake disc runout detecting and positioning device according to claim 4, wherein: the moving part comprises a fixed slide rail which is connected to the vertical support frame through a bolt, the fixed slide rail is connected with a moving slide plate through a moving slide block, the size of the moving slide block is matched with the track of the fixed slide rail, a moving platform is vertically arranged on the moving slide plate, a motor is arranged on the moving platform, a bearing cylinder is arranged at the position, corresponding to the moving platform, on the upper part of the motor, a coupler is arranged in the bearing cylinder, and a motor spindle of the motor is in driving connection with the coupler; the upper part of the bearing cylinder is provided with a lower jig, a rotating main shaft is arranged in the lower jig, the lower part of the rotating main shaft is in driving connection with a coupler, the top of the rotating main shaft is connected with a rotating support base through a bolt, and the rotating support base is connected with the connecting plate through a bolt.
6. A brake disc runout detecting and positioning device according to claim 5, wherein: the positioning unit comprises a fixed base, a fixed jig, a positioning mandrel and a positioning sensor; the fixed base is connected to the top of the upper supporting plate through bolts, the lower part of the fixed base is connected with the fixed jig through bolts, and the positioning mandrel is arranged inside the fixed jig; the fixed base, the fixed jig and the positioning mandrel are coaxial and coincide with the axis of the positioning bush at the lower part; and a positioning sensor is arranged outside the fixed jig and used for detecting the jumping degree of the brake disc to be detected.
7. A brake disc runout detecting and positioning device according to claim 6, wherein: the sliding plate fixing device is characterized in that a limiting support is arranged on a vertical support frame at the top of the fixed sliding rail, a hydraulic buffer is arranged on the limiting support, and the hydraulic buffer can guarantee that the sliding plate moves in a certain stroke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121466997.1U CN215177616U (en) | 2021-06-30 | 2021-06-30 | Brake disc run-out degree detection positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121466997.1U CN215177616U (en) | 2021-06-30 | 2021-06-30 | Brake disc run-out degree detection positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215177616U true CN215177616U (en) | 2021-12-14 |
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ID=79381117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121466997.1U Active CN215177616U (en) | 2021-06-30 | 2021-06-30 | Brake disc run-out degree detection positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215177616U (en) |
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2021
- 2021-06-30 CN CN202121466997.1U patent/CN215177616U/en active Active
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