CN203719648U - Detector for measuring complex curved surfaces of coupler knuckle - Google Patents
Detector for measuring complex curved surfaces of coupler knuckle Download PDFInfo
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- CN203719648U CN203719648U CN201420113871.XU CN201420113871U CN203719648U CN 203719648 U CN203719648 U CN 203719648U CN 201420113871 U CN201420113871 U CN 201420113871U CN 203719648 U CN203719648 U CN 203719648U
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Abstract
The utility model discloses a detector for measuring the complex curved surfaces of a coupler knuckle. The detector comprises a positioning and clamping mechanism, a three-dimensional movable guide rail and a measuring box. An upper plate of the measuring box is provided with the positioning and clamping mechanism, the three-dimensional movable guide rail and a probe, the probe is mounted on the three-dimensional movable guide rail, the three-dimensional movable guide rail is mounted on the upper plate of the measuring box via a fixing support, and the positioning and clamping mechanism comprises a coupler knuckle positioning clamp, an angle limiting mechanism and a rotary workbench. According to the utility model, a measuring device, a positioning and limiting device and a clamping device are integrated to form the integral detector, so that the detector is simple in structure, easy to operate, low in cost and high in professional level, and onsite measurement of the coupler knuckle can be realized. A coupler is positioned via a rapid positioning structure at one side and a pre-positioning at the bottom, the other side of the coupler is clamped via a spiral clamping mechanism, and the problem that the coupler knuckle includes too many curved surfaces and cannot be positioned on the workbench is solved.
Description
Technical field
The utility model relates to a kind of fine measuring instrument in modern processing, particularly relates to a kind of complex-curved detector of coupler knuckle for car coupler of measuring.
Background technology
F type hook tongue is the important component in heavy-duty freight car, high speed motor car coupler system, and its shock testing machine and traction table protuberance are shaped as multi-section circular arc, and is distributed in hook tongue both sides.Hook tongue is mainly used to be connected into pairs hitch, its arc size important.Shock testing machine and traction table circular arc home position and coupler knuckle pin hole circle are felt in bias, and hook tongue is complex-shaped, and the dimensional measurement of this inside and outside arc radius is more difficult, are not easy to realize location and measure.Existing measuring technique is general gauge or three-dimensional coordinates measurement, the two not only can not meet Site Detection requirement, and detection efficiency is lower, therefore, relate to low, the good operation of a kind of cost, detection efficiency is high, both can fixedly mount and measure large-scale curvedly, the instrument of middle-size and small-size curved surface that is also movable to in-site measurement is imperative.
Summary of the invention
The problems referred to above that exist for solving prior art, the utility model will design one can meet Site Detection requirement, improves greatly again the complex-curved detector of coupler knuckle for car coupler of detection efficiency.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of complex-curved detector of coupler knuckle for car coupler of measuring comprises positioning and clamping mechanism, three-dimensional moving guide rail and measures case;
The bottom of described measurement case is threaded connection mode and is fixed on the top of measuring case chassis, relies on thread connecting mode to be fixedly connected with chassis, and the top of measuring case is fixedly connected with measuring case upper plate, measures case inside PLC and touch-screen are installed; Four angles of described bottom, measurement case chassis are each installs a universal wheel, has not only supported to measure case weight but also can be convenient for measuring case and has moved;
Described measurement case upper plate is installed positioning and clamping mechanism, three-dimensional moving guide rail and gauge head, and described gauge head is arranged on three-dimensional moving guide rail, and three-dimensional moving guide rail is arranged on and is measured on case upper plate by fixed support;
Described positioning and clamping mechanism comprises hook tongue positioning fixture, angle position-limit mechanism and rotary table, and rotary table is arranged on to be measured on case upper plate, realizes spinfunction by thrust bearing;
Described angle position-limit mechanism comprises spacer pin bearing, handle, combined type acorn nut, nut, packing ring, latch, lubricating cup and spring, the bottom of spacer pin bearing is directly connected with measurement case upper plate by screw, the left end of latch is arranged in the circular hole of spacer pin bearing upper end, its right-hand member inserts in the location cotter way of rotary table, spring housing is contained on latch, ensure the elasticity between latch and spacer pin bearing, handle is contained in the left end of latch by nut, pad and combined cover shape nut sleeve, angle position-limit mechanism is realized 180 of rotary table and is spent spacing, on the central shaft of rotary table, disengaging type silent ratchet is installed simultaneously, described disengaging type silent ratchet comprises upper locking ring, lower retaining ring, conical sleeve, packing ring, round nut, flat key, check lock lever, check lock lever support and check lock lever spanner, described conical sleeve adopts flat key connected mode to be sleeved on central shaft, and ensure that by round nut it fixes, conical sleeve outside suit upper locking ring and lower retaining ring, upper locking ring and lower retaining ring are bolted on rotary table base jointly, the left end of check lock lever is connected with upper locking ring by screw thread, pass the through hole of lower retaining ring simultaneously, while ensureing check lock lever rotation, the distance of upper locking ring and lower retaining ring changes, realize the clutch between upper locking ring and lower retaining ring and conical sleeve, locking after guarantee rotary table is spacing, the right side of check lock lever is installed on check lock lever support, and is fixedly connected with by round pin with check lock lever spanner,
Described hook tongue positioning fixture is supported and is formed by left side quick positioning mechanism, right side is adjustable clamp system and pre-determined bit; Described left side quick positioning mechanism is made up of left register pin bearing, left register pin, left sleeve and handle, realize fast positioning function, described left register pin bearing is fixedly connected with rotary table by screw, left sleeve is sleeved in the circular hole of left register pin bearing top, in left sleeve, through left register pin, handle is directly fixedly connected with left register pin by screw thread; Described right side is adjustable, and clamp system is made up of right register pin bearing, right register pin sleeve, right register pin, dog screw, leading screw, end cap and handwheel, realize Quick-clamped function, described right register pin bearing is fixedly connected with rotary table by screw, in the circular hole of right sleeve set above right register pin bearing, right sleeve inner sleeve is followed right register pin, the right-hand member of right register pin is processed with threaded hole, be connected with leading screw by this threaded hole, leading screw is connected with end cap by set nut, and end cap is connected with right register pin bearing by uniform screw; The overhanging end of screw mandrel connects handwheel;
Described pre-determined bit supports and comprises following two kinds of versions: a kind of version is to adopt to adjust parallels, and described adjusting pad Tie Tong crosses screw and is arranged on rotary table; Another kind of version is to adopt adjustable supports A, adjustable supports B and adjustable supports C, described adjustable supports A and adjustable supports B are arranged on rotary table by backing plate and screw, and described adjustable supports C is connected with rotary table with screw by gate-type bearing.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model adopts measurement mechanism, positioning inhibiting device and clamp device is integrated in to a physical construction mode on overall measuring machine, make that apparatus structure is simple, easy operating, cost be low, highly specialized, can realize the in-site measurement of coupler knuckle for car coupler; Simultaneously, abandon original metering system measuring the loaded down with trivial details operations in aspect such as place and measuring process, adopted in coordinate system, first found the theoretical center of circle, carry out the walking of gauge head according to the theoretical center of circle, the traveling process of gauge head is a stair-stepping track, is triggered to each point, all carries out digital simulation with a upper point, detect the error between design load, in the time that error exceedes predetermined error amount, record this point, be convenient to next step and raise the efficiency adding to reduce work hours man-hour.
2, the utility model has adopted the structure of three-dimensional precision mobile guide rail in conjunction with indexable contact type measurement head, and 180 degree that simultaneously rely on rotary table to complete workpiece rotate, and both can measure the curvature of convex surface and concave surface, also can measure the empty degree of depth and protruding height; Can be placed on job shop and measure, can read error amount to workpiece, realize and again process direct round-off error value and reach the object of enhancing productivity.Removable, also can be arranged on fixed-site, heavy parts is measured.
3, the utility model adopts and relies on the Quick locating structure of a side and the pre-determined bit of bottom to support hitch location, and opposite side uses screw clamping mechanism to complete the clamping of hitch, has realized the curved surface of hook tongue own too much, cannot be positioned at the problem on workbench.
4, the utility model adopts high-performance PLC and touch-screen integrated technique, and measuring accuracy is high, easy and simple to handle, to operating personnel without very high technical requirement, and nuisanceless and environmental pollution.
Brief description of the drawings
5, the total accompanying drawing of the utility model, wherein:
Fig. 1 is axonometric drawing of the present utility model.
Fig. 2 is outward appearance vertical view of the present utility model.
Fig. 3 is the A-A cut-open view of Fig. 2.
Fig. 4 is the B-B cut-open view of Fig. 2.
Fig. 5 is the left view of Fig. 2.
In figure: 2, spacer pin bearing, 4, handle, 5, combined type acorn nut, 6, nut, 8, latch, 9, lubricating cup, 10, spring, 12, adjustable supports A, 13, adjustable supports B, 14, adjustable supports C, 16, table base, 17, bolt, 18, lower retaining ring, 20, conical sleeve, 21, round nut, 22, flat key, 23, central shaft, 24, upper locking ring, 27, thrust bearing, 31, fixed support, 34, left register pin bearing, 35, left register pin, 36, left sleeve, 37, handle, 40, right register pin bearing, 41, right register pin sleeve, 42, right register pin, 43, dog screw, 44, leading screw, 45, end cap, 48, check lock lever, 49, check lock lever support, 57, adjust parallels, 58, gate-type bearing, 63, backing plate, 101, universal wheel, 102, touch-screen, 103, check lock lever spanner, 104, handwheel, 105, hitch, 106, gauge head, 107, three-dimensional moving guide rail, 108, rotary table, 109, measure case, 110, measure case chassis, 111, measure case upper plate.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated.As Figure 1-5, a kind of complex-curved detector of coupler knuckle for car coupler of measuring, comprises positioning and clamping mechanism, three-dimensional moving guide rail 107 and measures case 109;
The bottom of described measurement case 109 is threaded connection mode and is fixed on the top of measuring case chassis 110, rely on thread connecting mode to be fixedly connected with measurement case chassis 110, the top of measuring case 109 is fixedly connected with measuring case upper plate 111, measures case 109 inside PLC and touch-screen 102 are installed; Four angles of described 110 bottoms, measurement case chassis are each installs a universal wheel 101, has not only supported to measure case 109 weight but also can be convenient for measuring case 109 and has moved;
On described measurement case upper plate 111, positioning and clamping mechanism, three-dimensional moving guide rail 107 and gauge head 106 are installed, described gauge head 106 is arranged on three-dimensional moving guide rail 107, and three-dimensional moving guide rail 107 is arranged on and is measured on case upper plate 111 by fixed support 31;
Described positioning and clamping mechanism comprises hook tongue positioning fixture, angle position-limit mechanism and rotary table 108, and rotary table 108 is arranged on to be measured on case upper plate 111, realizes spinfunction by thrust bearing 27;
Described angle position-limit mechanism comprises spacer pin bearing 2, handle 3, combined type acorn nut 5, nut 6, packing ring, latch 8, lubricating cup 9 and spring 10, the bottom of spacer pin bearing 2 is directly connected with measurement case upper plate 111 by screw, the left end of latch 8 is arranged in the circular hole of spacer pin bearing 2 upper ends, its right-hand member inserts in the location cotter way of rotary table 108, spring 10 is sleeved on latch 8, ensure the elasticity between latch 8 and spacer pin bearing 2, the left end of the latch 8 of shaking hands 3 to be sleeved on by nut 6, pad and combined type acorn nut 5, angle position-limit mechanism is realized 180 of rotary table 108 and is spent spacing, on the central shaft 23 of rotary table 108, disengaging type silent ratchet is installed simultaneously, described disengaging type silent ratchet comprises upper locking ring 24, lower retaining ring 18, conical sleeve 20, packing ring, round nut 21, flat key 22, check lock lever 48, check lock lever support 49 and check lock lever spanner 103, described conical sleeve 20 adopts flat key 22 connected modes to be sleeved on central shaft 23, and it is fixed by round nut 21 guarantees, conical sleeve 20 outside suit upper locking ring 24 and lower retaining rings 18, upper locking ring 24 and lower retaining ring 18 are fixed on rotary table 108 bases 16 by bolt 17 jointly, the left end of check lock lever 48 is connected with upper locking ring 24 by screw thread, pass the through hole of lower retaining ring 18 simultaneously, when guarantee check lock lever 48 rotates, the distance of upper locking ring 24 and lower retaining ring 18 changes, realize the clutch between upper locking ring 24 and lower retaining ring 18 and conical sleeve 20, locking after guarantee rotary table 108 is spacing, the right side of check lock lever 48 is installed on check lock lever support 49, and is fixedly connected with by round pin with check lock lever spanner 103,
Described hook tongue positioning fixture is supported and is formed by left side quick positioning mechanism, right side is adjustable clamp system and pre-determined bit, described left side quick positioning mechanism is made up of left register pin bearing 34, left register pin 35, left sleeve 36 and handle 37, realize fast positioning function, described left register pin bearing 34 is fixedly connected with rotary table 108 by screw, left sleeve 36 is sleeved in the circular hole of left register pin bearing 34 tops, in left sleeve 36, through left register pin 35, handle 37 is directly fixedly connected with left register pin 35 by screw thread, described right side is adjustable clamp system is by right register pin bearing 40, right register pin sleeve 41, right register pin 42, dog screw 43, leading screw 44, end cap 45 and handwheel 104 form, realize Quick-clamped function, described right register pin bearing 40 is fixedly connected with rotary table 108 by screw, in the circular hole of right sleeve set above right register pin bearing 40, right sleeve inner sleeve is followed right register pin 42, the right-hand member of right register pin 42 is processed with threaded hole, be connected with leading screw 44 by this threaded hole, leading screw 44 is connected with end cap 45 by set nut, 45 of end caps are connected with right register pin bearing 40 by uniform screw, the overhanging end of screw mandrel connects handwheel 104,
Described pre-determined bit supports and comprises following two kinds of versions: a kind of version is to adopt to adjust parallels 57, and described adjustment parallels 57 is arranged on rotary table 108 by screw; Another kind of version is to adopt adjustable supports A12, adjustable supports B13 and adjustable supports C14, described adjustable supports A12 and adjustable supports B13 are arranged on rotary table 108 by backing plate 63 and screw, and described adjustable supports C14 is connected with rotary table 108 with screw by gate-type bearing 58.
Method of work of the present utility model is as follows:
A, sling by lifting device at hitch 105, while being placed on worktable, first be placed on platform with reference to predetermined bit positions, then insert left register pin fast, treat that left register pin 35 inserts coupler knuckle pin hole and protruding of register pin blocks and realizes face location with the outer hole of hook tongue plane, then right positioner pin is inserted and utilize Quick-clamped handwheel 104 to clamp, after to be clamped, hook tongue is fixed on workbench, after measuring head detects initial point, starts to carry out the measurement of required curved surface;
B, because hook tongue both sides all exist tested required curved surface, so measuring process is carried out in two steps; First be the measurement of left side correlation surface, after left side measurement is complete, the spinfunction of recycling worktable, the opposite side rotation of hook tongue is come, and utilize rotation register pin to be positioned at steady job position, recycling disengaging type silent ratchet is held rotating shaft tightly, makes worktable keep stable;
In C, measuring process, in coordinate system, first find the theoretical center of circle, carry out the walking of gauge head 106 according to the theoretical center of circle, the traveling process of gauge head 106 is stair-stepping tracks, is triggered to each point, all carry out digital simulation with a upper point, detect the error between design load, in the time that error exceedes predetermined error amount, record this point.
The course of work of a specific embodiment is described below more by reference to the accompanying drawings.
First hitch 105 is sling by Lift-on/Lift-off System, utilize adjustable supports A12, adjustable supports B13, the adjustable supports C14 in pre-determined bit support and adjust parallels 57 pre-determined bit that completes workpiece, when workpiece is placed on worktable, then rotating handles 37, left register pin 35 is inserted in workpiece left positioner hole, the outer hole of the convex shoulder of left register pin 35 and hook tongue plane is blocked and is realized face location, again slow circumvolve right side handwheel 104, right register pin 42 is inserted in workpiece right positioner hole, and utilize handwheel 104 to clamp, hook tongue is fixed on workbench.Utilize digital control system to drive three-dimensional moving guide rail 107 and gauge head 106, detect initial point and start to carry out afterwards the measurement of required curved surface.
Because hook tongue both sides all exist tested curved surface, so measuring process is carried out in two steps.First be the measurement of left side correlation surface, after left side measurement is complete, pull check lock lever spanner 103, utilize check lock lever 48, unclamp upper locking ring 18 and lower retaining ring 24, simultaneously, pull handle 4, latch 8 is spun off from stopper slot, now utilize external force to make worktable 108 Rotate 180 degree, handle 4 is unclamped, limit bolt 8 reinserts in stopper slot, pull round about check lock lever spanner 103, realize the fastening of worktable 108 and locking, make worktable keep stable simultaneously.At this moment can carry out the surveying work on right side.
Claims (1)
1. measure the complex-curved detector of coupler knuckle for car coupler, it is characterized in that: comprise positioning and clamping mechanism, three-dimensional moving guide rail (107) and measure case (109);
The bottom of described measurement case (109) is threaded connection mode and is fixed on the top of measuring case chassis (110), rely on thread connecting mode to be fixedly connected with measurement case chassis (110), the top of measuring case (109) is fixedly connected with measuring case upper plate (111), measures case (109) inside PLC and touch-screen (102) are installed; The each universal wheels (101) of installing in four angles of described bottom, measurement case chassis (110), not only support measurement case (109) weight but also can be convenient for measuring case (109) movement;
Upper positioning and clamping mechanism, three-dimensional moving guide rail (107) and the gauge head (106) installed of described measurement case upper plate (111), it is upper that described gauge head (106) is arranged on three-dimensional moving guide rail (107), and three-dimensional moving guide rail (107) is arranged on and is measured on case upper plate (111) by fixed support (31);
Described positioning and clamping mechanism comprises hook tongue positioning fixture, angle position-limit mechanism and rotary table (108), and rotary table (108) is arranged on measures case upper plate (111) above, realizes spinfunction by thrust bearing (27);
Described angle position-limit mechanism comprises spacer pin bearing (2), handle (3), combined type acorn nut (5), nut (6), packing ring, latch (8), lubricating cup (9) and spring (10), the bottom of spacer pin bearing (2) is directly connected with measurement case upper plate (111) by screw, the left end of latch (8) is arranged in the circular hole of spacer pin bearing (2) upper end, its right-hand member inserts in the location cotter way of rotary table (108), spring (10) is sleeved on latch (8), ensure the elasticity between latch (8) and spacer pin bearing (2), handle (3) is by nut (6), pad and combined type acorn nut (5) are sleeved on the left end of latch (8), angle position-limit mechanism is realized 180 of rotary table (108) and is spent spacing, on the central shaft (23) of rotary table (108), disengaging type silent ratchet is installed simultaneously, described disengaging type silent ratchet comprises upper locking ring (24), lower retaining ring (18), conical sleeve (20), packing ring, round nut (21), flat key (22), check lock lever (48), check lock lever support (49) and check lock lever spanner (103), described conical sleeve (20) adopts flat key (22) connected mode to be sleeved on central shaft (23), and ensure that by round nut (21) it fixes, conical sleeve (20) outside suit upper locking ring (24) and lower retaining ring (18), upper locking ring (24) and lower retaining ring (18) are fixed on rotary table (108) base (16) by bolt (17) jointly, the left end of check lock lever (48) is connected with upper locking ring (24) by screw thread, pass the through hole of lower retaining ring (18) simultaneously, while ensureing check lock lever (48) rotation, the distance of upper locking ring (24) and lower retaining ring (18) changes, realize the clutch between upper locking ring (24) and lower retaining ring (18) and conical sleeve (20), locking after guarantee rotary table (108) is spacing, it is upper that the right side of check lock lever (48) is installed on check lock lever support (49), and be fixedly connected with by round pin with check lock lever spanner (103),
Described hook tongue positioning fixture is supported and is formed by left side quick positioning mechanism, right side is adjustable clamp system and pre-determined bit, described left side quick positioning mechanism is made up of left register pin bearing (34), left register pin (35), left sleeve (36) and handle (37), realize fast positioning function, described left register pin bearing (34) is fixedly connected with rotary table (108) by screw, left sleeve (36) is sleeved in the circular hole of left register pin bearing (34) top, in left sleeve (36), through left register pin (35), handle (37) is directly fixedly connected with left register pin (35) by screw thread, described right side is adjustable clamp system is by right register pin bearing (40), right register pin sleeve (41), right register pin (42), dog screw (43), leading screw (44), end cap (45) and handwheel (104) composition, realize Quick-clamped function, described right register pin bearing (40) is fixedly connected with rotary table (108) by screw, right sleeve set is in the circular hole of right register pin bearing (40) top, right sleeve inner sleeve is followed right register pin (42), the right-hand member of right register pin (42) is processed with threaded hole, be connected with leading screw (44) by this threaded hole, leading screw (44) is connected with end cap (45) by set nut, end cap (45) is connected with right register pin bearing (40) by uniform screw, the overhanging end of screw mandrel connects handwheel (104),
Described pre-determined bit supports and comprises following two kinds of versions: a kind of version is to adopt to adjust parallels (57), and described adjustment parallels (57) is arranged on rotary table (108) by screw; Another kind of version is to adopt adjustable supports A(12), adjustable supports B(13) and adjustable supports C(14), described adjustable supports A(12) and adjustable supports B(13) be arranged on rotary table (108) above by backing plate (63) and screw, described adjustable supports C(14) be connected with rotary table (108) with screw by gate-type bearing (58).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420113871.XU CN203719648U (en) | 2014-03-13 | 2014-03-13 | Detector for measuring complex curved surfaces of coupler knuckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420113871.XU CN203719648U (en) | 2014-03-13 | 2014-03-13 | Detector for measuring complex curved surfaces of coupler knuckle |
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| Publication Number | Publication Date |
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| CN203719648U true CN203719648U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420113871.XU Expired - Fee Related CN203719648U (en) | 2014-03-13 | 2014-03-13 | Detector for measuring complex curved surfaces of coupler knuckle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515495A (en) * | 2015-01-20 | 2015-04-15 | 大连交通大学 | Coupler knuckle detector for train and detection method thereof |
| CN105135992A (en) * | 2015-08-11 | 2015-12-09 | 苏州鸿普精密模具有限公司 | Camber detection device for automobile window lifting guide rail testing machine |
| CN111716308A (en) * | 2019-03-22 | 2020-09-29 | 株式会社三丰 | Rotary table and roundness measuring machine |
| CN113566667A (en) * | 2020-04-29 | 2021-10-29 | 比亚迪股份有限公司 | Car coupler assembly detection device |
| CN115005586A (en) * | 2022-06-07 | 2022-09-06 | 阿里巴巴（中国）有限公司 | Three-dimensional scanning modeling device and system |
-
2014
- 2014-03-13 CN CN201420113871.XU patent/CN203719648U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515495A (en) * | 2015-01-20 | 2015-04-15 | 大连交通大学 | Coupler knuckle detector for train and detection method thereof |
| CN105135992A (en) * | 2015-08-11 | 2015-12-09 | 苏州鸿普精密模具有限公司 | Camber detection device for automobile window lifting guide rail testing machine |
| CN105135992B (en) * | 2015-08-11 | 2017-09-12 | 苏州鸿普精密模具有限公司 | Automobile rises the radian detecting device of window guide rail test machine |
| CN111716308A (en) * | 2019-03-22 | 2020-09-29 | 株式会社三丰 | Rotary table and roundness measuring machine |
| CN111716308B (en) * | 2019-03-22 | 2024-05-10 | 株式会社三丰 | Rotary table and roundness measuring machine |
| CN113566667A (en) * | 2020-04-29 | 2021-10-29 | 比亚迪股份有限公司 | Car coupler assembly detection device |
| CN113566667B (en) * | 2020-04-29 | 2022-05-13 | 比亚迪股份有限公司 | Car coupler assembly detection device |
| CN115005586A (en) * | 2022-06-07 | 2022-09-06 | 阿里巴巴（中国）有限公司 | Three-dimensional scanning modeling device and system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20150313 |
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| EXPY | Termination of patent right or utility model |