CN213238666U - Detection tool for measuring ball bounce combined with gear ring - Google Patents
Detection tool for measuring ball bounce combined with gear ring Download PDFInfo
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- CN213238666U CN213238666U CN202021697512.5U CN202021697512U CN213238666U CN 213238666 U CN213238666 U CN 213238666U CN 202021697512 U CN202021697512 U CN 202021697512U CN 213238666 U CN213238666 U CN 213238666U
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Abstract
The utility model relates to a detection tool for detecting jumping by combining a gear ring measuring ball, which comprises a positioning mechanism for positioning a gear ring; the measuring mechanism is used for measuring the jumping value of the gear ring; and the frame is used for supporting the positioning mechanism and the measuring mechanism. The utility model discloses a tight axle work piece that rises and tightly fixes a position, it is reliable to fix a position, and convenient, can not cause the measuring error increase because of the inaccurate problem in location, and when placing and take off the work piece, rotate the second handle, drive digital display table and monodentate locating piece through having planar rotating wheel and eccentric shaft and keep away from positioning mechanism, be convenient for place and take off the work piece, only need during the measurement reverse rotation second handle can, and is easy for operation, when taking off the part after the measurement, the digital display table is convenient to put aside fast, and after changing next part, the position of digital display table contact does not need readjustment, the position of digital display table all needs readjustment when not needing the part of every turn change, few operation steps, and the operation method is simple, and the measuring efficiency is.
Description
Technical Field
The utility model relates to a detection device, especially a combination ring gear ball detection of beating is examined utensil.
Background
The combined gear ring is a common part in machinery, and the runout tolerance of the combined gear ring is one of the main reasons for causing high noise of the gear ring. Therefore, enterprises have strict requirements on the combination of the jumping error of the gear ring in the production and manufacturing line.
The contact is required to align with the measuring surface of the gear ring when the combined gear ring is jumped during measurement, the dial indicator needs to be moved away when a part is taken down after measurement, and the contact is required to align with the measuring surface again after the next part is replaced, so that the position of the dial indicator needs to be adjusted again when the part is replaced each time, the operation is troublesome, and the working efficiency is low; and the positioning mode of the gear ring is troublesome, and the gear ring is not easy to position, so that the measurement error is large. Therefore, designing a combined gear ring bounce detection device with convenient operation is a problem to be solved urgently by workers in the industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a convenient operation's combination ring gear ball detection of beating examines utensil. In order to achieve the purpose, the utility model provides a detection tool for measuring ball bounce by combining a gear ring, which comprises a positioning mechanism used for positioning the gear ring; the measuring mechanism is used for measuring the jumping value of the gear ring; the frame is used for supporting the positioning mechanism and the measuring mechanism; wherein, positioning mechanism includes: the positioning table is used for placing the gear ring; the positioning table is sleeved on the outer side of the rotating disc and driven to rotate by the rotating disc; the tensioning shaft fixes the gear ring on the positioning table; the fixed shaft sleeve is used for fixing the tensioning shaft on the rack; the tensioning shaft consists of a cylindrical shaft body and a positioning disc which is positioned at the top end of the cylindrical shaft body and is in an inverted cone shape, and the lower end of the cylindrical shaft body sequentially penetrates through the rotating disc, the supporting disc and the fixed shaft sleeve from top to bottom; the center of the top surface of the rotating disc is provided with a downward extending accommodating groove which is adaptive to the positioning disc, the lower part of the positioning disc is positioned in the accommodating groove, the top end of the positioning disc is provided with a limiting convex disc which protrudes outwards, the outer side of the positioning disc is provided with a limiting sleeve, the top surface of the limiting sleeve is connected with the bottom surface of the limiting convex disc, the bottom end of the limiting sleeve is provided with an inwards-contracted conical accommodating cavity, steel balls are arranged in the conical accommodating cavity, and the steel balls are positioned on the top surface of the rotating disc; a rotating shaft sleeve is rotatably arranged between the fixed shaft sleeve and the cylindrical shaft body, the upper end of the rotating shaft sleeve is connected to the supporting plate, the lower end of the rotating shaft sleeve is provided with a fixed cover, and a return spring sleeved on the cylindrical shaft body is arranged between the fixed cover and the rotating shaft sleeve; and a tensioning shaft driving mechanism for driving the cylindrical shaft body to ascend is arranged below the cylindrical shaft body.
Furthermore, a limiting ring for preventing the steel balls from being separated is arranged on the outer side of the top end of the rotating disc.
Furthermore, bearings are arranged at the top end, the lower part and the outer side of the rotating shaft sleeve.
Furthermore, a bearing cover is arranged at the bottom end of the bearing at the bottom end of the rotating shaft sleeve, and the bearing cover is fixed on the rotating shaft sleeve through a locking nut.
Further, the tension shaft driving mechanism comprises: the first rotating shaft is rotatably arranged on the rack; the first handle is connected with one end of the first rotating shaft; and the eccentric wheel is arranged at one end of the first rotating shaft, which is opposite to the first handle, and is positioned under the tensioning shaft.
Further, the measuring mechanism comprises: the single-tooth positioning block extends between two adjacent teeth of the gear ring during operation; a digital display meter; the fixing frame is used for supporting the single-tooth positioning block and the digital display meter and is arranged on the rack; the digital display meter is rotatably installed on the fixing frame through the rotating frame and is close to the positioning mechanism, the single-tooth positioning block is close to the positioning mechanism, and the single-tooth positioning block can be movably installed on the fixing frame in the direction far away from the positioning mechanism under the driving of the driving mechanism.
Further, the driving mechanism comprises: the second rotating shaft is rotatably arranged on the fixed seat;
the second handle is connected with one end of the second rotating shaft and is positioned on the outer side of the fixed seat; the rotating wheel is arranged at one end of the second rotating shaft, which is far away from the second handle, and is positioned on the inner side of the fixed seat; one side of the rotating wheel is a plane, an eccentric shaft is fixedly arranged on the side face, far away from the second handle, of the rotating wheel, and one end, far away from the rotating wheel, of the eccentric shaft penetrates through a through groove formed in a fixing handle used for fixing the single-tooth positioning block.
Further, the notch of the through groove is positioned on the bottom surface of the fixed handle, and the width of the notch is larger than the outer diameter of the eccentric shaft; the fixing handle is characterized in that a guide rod is arranged at one end, far away from the single-tooth positioning block, of the fixing handle, the guide rod penetrates through a guide hole formed in the fixing frame, and a jacking spring sleeved on the guide rod is arranged between the fixing handle and the fixing frame.
Further, rotating turret one end pass through the axis of rotation and rotationally install in the mount upper end, this rotating turret is close to one side of rotating the wheel is equipped with L shape branch, the horizontal pole of branch is installed on the rotating turret, its montant bottom is equipped with the runner, under measuring operating condition, the runner is located the top that has plane one side of rotating the wheel.
Furthermore, one side of the rotating frame, which is far away from the rotating wheel, is provided with an extension spring, one end of the extension spring is connected to the rotating frame in a hanging manner, and the other end of the extension spring is connected to the fixed seat in a hanging manner.
The utility model discloses following technological effect has:
the utility model discloses a tight axle that rises is to the tight location that rises of combination ring gear that awaits measuring, the location is reliable, and is convenient, can not cause the measuring error increase because of the inaccurate problem in location, and when placing and taking off the work piece, rotate the second handle, drive digital display table and monodentate locating piece through having planar rotating wheel and eccentric shaft and keep away from positioning mechanism, be convenient for place and take off the work piece, only need during the measurement reverse rotation second handle can, and the operation is simple, when taking off the part after the measurement, the digital display table is convenient to put aside fast, and after changing next part, the position of digital display table contact does not need readjustment, the position of digital display table all needs readjustment when not needing the part of every turn, few operation steps, and the operation method is simple, and the measuring efficiency is high.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention. In the figure:
FIG. 1 is a schematic perspective view of a check tool for measuring run-out in conjunction with a ring gear according to a preferred embodiment of the present invention;
FIG. 2 is a schematic semi-sectional view of the compound ring gear ball runout detection apparatus illustrated in FIG. 1;
fig. 3 is a schematic half sectional view of the engaged ring range ball runout detecting apparatus shown in fig. 2 in another state.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be embodied in many different forms and covered by the claims.
The following describes in detail a combined ring gear measuring ball bounce detection tool according to a preferred embodiment of the present invention with reference to fig. 1, 2 and 3, wherein the detection device includes a positioning mechanism 200 for positioning a ring gear; a measuring mechanism 300 for measuring a runout value of the ring gear; and a frame 100 for supporting the positioning mechanism 200 and the measuring mechanism 300; wherein, positioning mechanism includes: a positioning table 205 for placing a ring gear; the outer side of the rotating disc 206 is sleeved with the positioning table 205, the positioning table 205 is driven by the rotating disc 206 to rotate, and then the gear ring positioned and fixed on the positioning table 205 is driven to rotate, so that the measurement is facilitated; the tensioning shaft 201 is used for fixing the gear ring on the positioning table 205; and a fixing shaft sleeve 209 for fixing the tension shaft on the frame 100.
In this embodiment, the tension shaft 201 is composed of a cylindrical shaft body 2012 and a positioning disc 2011 which is located at the top end of the cylindrical shaft body 2012 and is in the shape of an inverted frustum, and the lower end of the cylindrical shaft body 2012 sequentially penetrates through the rotating disc 206, the supporting disc 207 and the fixed shaft sleeve 209 from top to bottom; the center of the top surface of the rotating disc 209 is provided with a downward extending accommodating groove 221 adapted to the positioning disc 2011, the lower part of the positioning disc 209 is positioned in the accommodating groove 221, the top end of the positioning disc 209 is provided with a limiting convex disc 2013 protruding outwards, the outer side of the positioning disc 209 is provided with a limiting sleeve 220, the top surface of the limiting sleeve 202 is connected with the bottom surface of the limiting convex disc 2013, the bottom end of the limiting sleeve is provided with an inwards contracting conical accommodating cavity 220, a plurality of steel balls 203 are arranged in the conical accommodating cavity 200, the top surface of the rotating disc 221 is a plane, and the steel balls 203 are positioned on the. A section of cylindrical section is arranged at the joint of the limiting convex disc 2013 and the positioning disc 2011, and particularly, the limiting sleeve 202 is sleeved on the outer side of the cylindrical section. A rotary shaft sleeve 211 is rotatably arranged between the fixed shaft sleeve 209 and the cylindrical shaft body 2012, the upper end of the rotary shaft sleeve 211 is connected to the support plate 207, the lower end of the rotary shaft sleeve 211 is provided with a fixed cover 214, and a return spring 222 sleeved on the cylindrical shaft body 2012 is arranged between the fixed cover 214 and the rotary shaft sleeve 211; a tensioning shaft driving mechanism for driving the cylindrical shaft body 2012 to ascend is arranged below the cylindrical shaft body.
In order to prevent the steel balls from falling off, a limiting ring 204 for preventing the steel balls from falling off is arranged on the outer side of the top end of the rotating disc 205, specifically, a step is formed on the outer side diameter reduction part and the lower part of the upper end of the rotating disc 205, a gap is formed between the diameter reduction part of the upper end of the rotating disc 205 and the positioning table 204, a mounting cylinder matched with the upper end of the rotating disc 205 is arranged on the lower part of the limiting ring 204, and the mounting cylinder is inserted into the gap formed between the diameter reduction part of the upper end of the rotating disc. The inner hole of the limiting ring 204 is in an inverted cone shape with a big top and a small bottom.
In order to facilitate the rotation of the rotation sleeve 211, bearings 210 are provided at the top and lower portions of the rotation sleeve 211 and the outer side thereof. The bearing bottom end of the rotating shaft sleeve 211 is provided with a bearing cover 212, the bearing cover 212 prevents the bearing at the bottom end of the rotating shaft sleeve 211 from falling off and has a dustproof effect, and the bearing cover 212 is fixed on the rotating shaft sleeve 211 through a locking nut 213, so that the bearing cover 212 is convenient to mount and dismount.
The preferred tension shaft driving mechanism of this embodiment is configured as follows, the tension shaft driving mechanism includes a first rotating shaft 216, a first handle 217 and an eccentric 218, the first rotating shaft 216 is rotatably mounted on the frame 100, that is, is mounted on the frame 100 through a bearing; a first handle 217 is connected to one end of the first rotating shaft 216; an eccentric wheel 218 is installed at one end of the first rotating shaft 216 opposite to the first handle 217, the eccentric wheel 218 is located right below the tension shaft 201, and the bottom end of the tension shaft 201 is provided with a ball nut 215. In other embodiments the eccentric may be replaced by a cam.
In the embodiment, the first handle 217 is rotated to drive the first rotating shaft 216 to rotate, so as to drive the eccentric wheel 218 to rotate, the eccentric wheel 218 presses against the spherical nut 215, so that the tensioning shaft 201 moves upwards, and the steel balls 203 roll towards the center direction of the tensioning shaft 201 along the conical surface of the positioning plate 2011 under the action of the conical inner cavities of the limiting sleeve 202 and the limiting ring 204; when the tensioning shaft 201 needs to fall down, the first handle 217 is rotated reversely, so that the eccentric wheel 218 is separated from the spherical nut 215, the tensioning shaft 201 falls down under the action of the gravity of the tensioning shaft 201 and the action of the return spring 222, at this time, under the action of the conical surface of the positioning plate 2011 of the tensioning shaft 201, the steel ball 203 moves away from the center direction of the tensioning shaft 201, the outer surfaces of the highest point rising limiting ring 204 and the limiting sleeve 202 tightly push against the inner hole of the combined gear ring to be measured, and the gear ring is positioned, tensioned and fixed.
The measuring mechanism of the embodiment comprises a single-tooth positioning block 301, and the measuring device extends into a space between two adjacent teeth of the gear ring when working; the digital display meter 302 is used for measuring the jumping of the tooth surface of the gear ring; the fixing frame 308 is used for supporting the single-tooth positioning block 301 and the digital display meter 302, and the fixing frame 308 is arranged on the rack 100; the digital display meter 302 is rotatably mounted on the fixing frame 308 through the rotating frame 305 and is arranged close to the positioning mechanism, and the single-tooth positioning block 301 is also arranged close to the positioning mechanism and is movably mounted on the fixing frame 308 in a direction away from the positioning mechanism by the driving of the driving mechanism.
The driving mechanism of the present embodiment adopts the following structure: the driving mechanism comprises a second rotating shaft 314, a second handle 303 and a rotating wheel 313, and the second rotating shaft 314 is rotatably arranged on the fixed seat 310; the second handle 303 is connected with one end of the second rotating shaft 314, and the second handle 303 is positioned outside the fixed seat 310; the rotating wheel 313 is arranged at one end of the second rotating shaft 314 far away from the second handle 303, and the rotating wheel 313 is positioned at the inner side of the fixed seat 310; one side of the rotating wheel 313 is a plane, an eccentric shaft (not shown in the figure) is fixedly arranged on the side surface of the rotating wheel 313 far away from the second handle 303, the eccentric shaft is not overlapped with the center of the rotating wheel 313, and one end of the eccentric shaft far away from the rotating wheel 313 penetrates through a through groove (not shown in the figure) formed in the fixing handle 304 for fixing the single-tooth positioning block 301. The cross section of the fixed handle 304 is rectangular, the notch of the through groove is positioned on the bottom surface of the fixed handle 304, and the width of the notch is larger than the outer diameter of the eccentric shaft; a guide rod 311 is arranged at one end of the fixing handle 304 far away from the single-tooth positioning block 301, the guide rod 311 passes through a guide hole (not shown in the figure) formed in the fixing frame 308, a jacking spring 312 sleeved on the guide rod 311 is arranged between the fixing handle 304 and the fixing frame 308, and a limit nut is arranged at the tail end of the guide rod 311 to prevent the guide rod 311 from being separated from the guide hole under the action of the jacking spring 312. The digital display gauge 302 of the present embodiment is a dial gauge.
One end of the rotating frame 305 is rotatably mounted on the upper end of the fixed frame 308 through a rotating shaft 309, an L-shaped strut 307 is arranged on one side of the rotating frame 305 close to the rotating wheel 313, a cross bar of the strut 307 is mounted on the rotating frame 305, and a rotating wheel 315 is arranged at the bottom end of a vertical bar of the strut, as shown in fig. 2, in the measuring working state, the rotating wheel 315 is positioned above one side of the rotating wheel 313 with a plane. An extension spring 306 is arranged on one side of the rotating frame 305 far away from the rotating wheel 313, one end of the extension spring 306 is hung on the rotating frame 305, and the other end is hung on the fixed seat 310.
As shown in fig. 3, when the gear ring to be measured is placed, the second handle 303 is rotated, the second rotating shaft 314 is rotated under the driving of the second handle 303, so that the rotating wheel 313 is driven to rotate, at this time, the rotating wheel 313 drives the rotating wheel 315, so that the rotating frame 305 is driven to rotate around the rotating shaft 309, so that the digital display table 302 is driven to rotate backwards and upwards to be far away from the positioning mechanism, so that the gear ring is conveniently installed on the positioning table 205, at this time, the eccentric shaft is extruded through the groove wall of the groove under the action of the rotating wheel 313 and pulls the fixed handle 304 to move backwards, and at this time, the single-tooth positioning block 301 moves towards the direction; after the gear ring is positioned, the second handle 303 is rotated reversely, so that the digital display meter 302 falls down and the single-tooth positioning block 301 extends out, and then the tooth surface is subjected to run-out measurement.
In other preferred embodiments of the present invention, in order to measure the gear rings with different specifications and to facilitate the preliminary debugging, the fixing frame 309 is installed on the supporting seat capable of moving along the lateral direction of the frame and the longitudinal direction, and the supporting seat can move laterally and longitudinally through the screw rod and the nut in a matching driving manner.
The utility model discloses a tight axle that rises is to the tight location that rises of combination ring gear that awaits measuring, the location is reliable, and is convenient, can not cause the measuring error increase because of the inaccurate problem in location, and when preventing the work piece, rotate the second handle, drive digital display table and monodentate locating piece through having planar rotating wheel and eccentric shaft and keep away from positioning mechanism, be convenient for place and take off the work piece, only need during the measurement reverse rotation second handle can, and is easy for operation, when taking off the part after the measurement, the digital display table is convenient to put aside fast, and after changing next part, need not readjust the position of amesdial contact, the position of digital display table all needs readjustment when not needing the part of every time change, few operation steps, and the operation method is simple, and the measuring efficiency is high.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Combine ring gear ball detection utensil of examining that beats, its characterized in that includes:
the positioning mechanism is used for positioning the gear ring;
the measuring mechanism is used for measuring the jumping value of the gear ring; and
the frame is used for supporting the positioning mechanism and the measuring mechanism;
wherein, positioning mechanism includes:
the positioning table is used for placing the gear ring;
the positioning table is sleeved on the outer side of the rotating disc and driven to rotate by the rotating disc;
the tensioning shaft fixes the gear ring on the positioning table; and
the fixed shaft sleeve is used for fixing the tensioning shaft on the rack;
the tensioning shaft consists of a cylindrical shaft body and a positioning disc which is positioned at the top end of the cylindrical shaft body and is in an inverted cone shape, and the lower end of the cylindrical shaft body sequentially penetrates through the rotating disc, the supporting disc and the fixed shaft sleeve from top to bottom; the center of the top surface of the rotating disc is provided with a downward extending accommodating groove which is adaptive to the positioning disc, the lower part of the positioning disc is positioned in the accommodating groove, the top end of the positioning disc is provided with a limiting convex disc which protrudes outwards, the outer side of the positioning disc is provided with a limiting sleeve, the top surface of the limiting sleeve is connected with the bottom surface of the limiting convex disc, the bottom end of the limiting sleeve is provided with an inwards-contracted conical accommodating cavity, steel balls are arranged in the conical accommodating cavity, and the steel balls are positioned on the top surface of the rotating disc; a rotating shaft sleeve is rotatably arranged between the fixed shaft sleeve and the cylindrical shaft body, the upper end of the rotating shaft sleeve is connected to the supporting plate, the lower end of the rotating shaft sleeve is provided with a fixed cover, and a return spring sleeved on the cylindrical shaft body is arranged between the fixed cover and the rotating shaft sleeve; and a tensioning shaft driving mechanism for driving the cylindrical shaft body to ascend is arranged below the cylindrical shaft body.
2. The check tool for detecting the run-out of the measuring ball combined with the gear ring according to claim 1, wherein a limiting ring for preventing the steel ball from coming off is arranged on the outer side of the top end of the rotating disc.
3. The check tool for detecting the runout of the measuring ball combined with the gear ring according to claim 1, wherein bearings are arranged at the top end, the lower part and the outer side of the rotating shaft sleeve.
4. The check tool for detecting the run-out of the measuring ball combined with the gear ring according to claim 3, wherein a bearing cover is arranged at the bottom end of the bearing at the bottom end of the rotating shaft sleeve, and the bearing cover is fixed on the rotating shaft sleeve through a locking nut.
5. The check tool for detecting the run-out of the measuring ball combined with the gear ring according to claim 1, wherein the driving mechanism of the tension shaft comprises:
the first rotating shaft is rotatably arranged on the rack;
the first handle is connected with one end of the first rotating shaft; and
the eccentric wheel is arranged at one end, opposite to the first handle, of the first rotating shaft and is positioned right below the tensioning shaft.
6. The combined ring gear ball bounce detection tool of claim 1, wherein the measuring mechanism comprises:
the single-tooth positioning block extends between two adjacent teeth of the gear ring during operation;
a digital display meter; and
the fixing frame is used for supporting the single-tooth positioning block and the digital display meter and is arranged on the rack;
the digital display meter is rotatably installed on the fixing frame through the rotating frame and is close to the positioning mechanism, the single-tooth positioning block is close to the positioning mechanism, and the single-tooth positioning block can be movably installed on the fixing frame in the direction far away from the positioning mechanism under the driving of the driving mechanism.
7. The combined ring gear ball run-out detection tool as claimed in claim 6, wherein the driving mechanism comprises:
the second rotating shaft is rotatably arranged on the fixed seat;
the second handle is connected with one end of the second rotating shaft and is positioned on the outer side of the fixed seat; and
the rotating wheel is arranged at one end of the second rotating shaft, which is far away from the second handle, and is positioned on the inner side of the fixed seat;
one side of the rotating wheel is a plane, an eccentric shaft is fixedly arranged on the side face, far away from the second handle, of the rotating wheel, and one end, far away from the rotating wheel, of the eccentric shaft penetrates through a through groove formed in a fixing handle used for fixing the single-tooth positioning block.
8. The check tool for detecting the run-out of the check tool combined with the gear ring and the check ball as claimed in claim 7, wherein the notch of the through groove is located on the bottom surface of the fixed handle, and the width of the notch is larger than the outer diameter of the eccentric shaft; the fixing handle is characterized in that a guide rod is arranged at one end, far away from the single-tooth positioning block, of the fixing handle, the guide rod penetrates through a guide hole formed in the fixing frame, and a jacking spring sleeved on the guide rod is arranged between the fixing handle and the fixing frame.
9. The combined gear ring measuring ball bounce detection tool according to claim 7, wherein one end of the rotating frame is rotatably mounted at the upper end of the fixed frame through a rotating shaft, an L-shaped supporting rod is arranged at one side of the rotating frame close to the rotating wheel, a cross rod of the supporting rod is mounted on the rotating frame, a rotating wheel is arranged at the bottom end of a vertical rod of the supporting rod, and the rotating wheel is located above one side, with a plane, of the rotating wheel in the measuring working state.
10. The check tool for detecting the runout of the measuring ball combined with the gear ring according to claim 9, wherein an extension spring is arranged on one side of the rotating frame, which is far away from the rotating wheel, one end of the extension spring is hung on the rotating frame, and the other end of the extension spring is hung on the fixed seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021697512.5U CN213238666U (en) | 2020-08-14 | 2020-08-14 | Detection tool for measuring ball bounce combined with gear ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021697512.5U CN213238666U (en) | 2020-08-14 | 2020-08-14 | Detection tool for measuring ball bounce combined with gear ring |
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| Publication Number | Publication Date |
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| CN213238666U true CN213238666U (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021697512.5U Active CN213238666U (en) | 2020-08-14 | 2020-08-14 | Detection tool for measuring ball bounce combined with gear ring |
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| CN (1) | CN213238666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116989634A (en) * | 2023-09-27 | 2023-11-03 | 万向钱潮股份公司 | Positioning tool for detecting journal position and application method thereof |
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2020
- 2020-08-14 CN CN202021697512.5U patent/CN213238666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116989634A (en) * | 2023-09-27 | 2023-11-03 | 万向钱潮股份公司 | Positioning tool for detecting journal position and application method thereof |
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