CN101441071B - Differential gear pad-choosing measuring system and measuring method - Google Patents
Differential gear pad-choosing measuring system and measuring method Download PDFInfo
- Publication number
- CN101441071B CN101441071B CN 200810246225 CN200810246225A CN101441071B CN 101441071 B CN101441071 B CN 101441071B CN 200810246225 CN200810246225 CN 200810246225 CN 200810246225 A CN200810246225 A CN 200810246225A CN 101441071 B CN101441071 B CN 101441071B
- Authority
- CN
- China
- Prior art keywords
- axle shaft
- shaft gear
- differential
- assistor
- reading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Retarders (AREA)
Abstract
The invention relates to a differential pad-selection measurement system and method, which are characterized in that: a differential left shell is arranged on a positioning bench, a lower simulation pad is arranged between the differential left shell and a lower semiaxis gear; planetary gears are sleeved on four ends of a cross axle of member to be measured and are arranged in a shaft hole of the differential left shell; a lower puller sleeve arranged in a shaft hole of the lower semiaxis gear is hung on the lower semiaxis gear through an upper edge shoulder of the lower puller sleeve, a measurement tappet is fixedly connected with the lower puller sleeve, a puller spring is arranged between the measurement tappet and the lower puller sleeve, a spring guide sleeve sleeves on the measurement tappet and is supported by the puller spring; an upper top board is arranged on the spring guide sleeve by press mounting manner; and a displacement sensor, a pressure sensor and a proximity switch are respectively arranged in a pressure driving body. The invention can automatically complete accurate measurement of thickness of the differential pad, and can increase product quality and production efficiency.
Description
Technical field
The present invention relates to be applied in the automobile main reducer assemble flow, measure for the gap between axle shaft gear, following axle shaft gear and differential left shell, the differential right casing on the differential mechanism, so that accurately choose the measurement mechanism and the measuring method of differential mechanism pad.
Background technology
The version of differential mechanism is made up of differential right casing 22, last axle shaft gear 9, Upper gasket 8a, planet wheel 21, joint spider 24, following axle shaft gear 13, lower gasket 14a and differential left shell 23 as shown in Figure 1.When assembling, suitable Upper gasket 8a and lower gasket 14a must be selected,, the operate as normal and the serviceable life of part could be guaranteed to guarantee between planet wheel 21 and last axle shaft gear 9 and the following axle shaft gear 13 a suitable back lash being arranged.
In existing main reducing gear assemble flow, generally be to adopt general frock manually to carry out by the assembler, in this assembling process, artificial randomness is bigger, causes the instability of product quality, and production efficiency is low.
Summary of the invention
The present invention is for avoiding above-mentioned existing in prior technology weak point, a kind of differential gear pad-choosing measuring machine and measuring method are provided, so that can accurately measure the differential mechanism spacer thickness, improve the quality of products, enhancing productivity.
Technical solution problem of the present invention adopts following technical scheme:
The design feature of differential gear pad-choosing measuring system of the present invention is to place the differential left shell on positioning table, simulates pad under placing between differential left shell and the following axle shaft gear; At four end suit planet wheels of measured piece joint spider, and place in the axis hole of differential left shell; Being arranged in down, the following tight sleeve of the axis hole of axle shaft gear is to be hung on down on the axle shaft gear with its upper edge convex shoulder, measuring tappet connects firmly with following tight sleeve, place between measurement tappet and following tight sleeve and hold out against spring, spring guide is sleeved on to measure on the tappet and by holding out against spring and supports; Upper plate is set is fitted on the spring guide, the periphery convex edge of upper plate is used to support axle shaft gear, is simulating pad in the placement between last axle shaft gear and the differential right casing; Setting presses down driving body, in pressing down driving body, displacement transducer is installed in the sensor holder, sensor holder links to each other by screw with the assistor seat, pressure transducer is fixedly installed on the assistor seat, near switch by being fixed near switch frame on the assistor cover plate, be screwed on the assistor seat near the switch coupon, oscillating bearing links to each other with pressure transducer by joint bearing block, in assistor seat bottom the adjustment nut that can be pressed on the axle shaft gear top end face is set, the displacement measuring staff that is arranged in the assistor seat constitutes the displacement sensor head with the measurement tappet; The inside, bottom that presses down driving body is provided with the following fixed cover of spring and withholds on the end face of the top of differential right casing body; Push rod can above top to the lower surface of axle shaft gear down.
The characteristics of differential gear pad-choosing measuring system measuring method of the present invention are:
At first, press down driving body integral body and move down, be pressed on the top end face of differential right casing, make the right shell of differential left shell and difference band device not have the gap and fit until the following fixed cover of spring; Meanwhile, eliminate the gap of going up between axle shaft gear and the differential right casing by holding out against spring by spring guide and upper plate; By holding out against spring by the gap between axle shaft gear and the differential left shell under spring guide and the elimination of following tight sleeve;
Subsequently, pressing down driving body continues to move downward, until adjusting the top end face that nut touches axle shaft gear, adjust nut driving pressure sensor and assistor seat and be installed on the assistor seat near the switch coupon, when reducing to, the gap of oscillating bearing upper surface and assistor cover plate makes near the triggering of switch coupon near switch, the actuating unit picked up signal, stop motion, measure tappet in this process and force the displacement transducer motion by the displacement measuring staff, and read location parameter reading I, defining described location parameter reading I is R1, is datum readings with described R1;
After described displacement transducer reads datum readings R1, actuating unit continuation drive presses down driving body and moves downward, after the gap complete obiteration of oscillating bearing upper surface and assistor cover plate, pressure transducer promotes the assistor seat and adjusts nut, force axle shaft gear to move downward, and then force the spring guide compression to hold out against spring, reach the pressure parameter of prior setting up to pressure transducer, the stop motion of actuating unit picked up signal, promptly eliminated the gap between last axle shaft gear and the planet wheel this moment, measure tappet in this process and force the displacement transducer motion, measure the distance of motion, and read reading II by the displacement measuring staff; Definition reading II is R2, then goes up gap A between axle shaft gear and the differential right casing and is reading R2 and subtracts reading R1 and add the thickness of simulating pad, then selects the thickness A of Upper gasket;
After described displacement transducer reads reading R2, the actuating unit stop motion, and the locking actuating unit is keeping under the static state, push rod moves upward, hold out against down axle shaft gear, and move upward, gap under eliminating fully between axle shaft gear and the planet wheel, measure tappet in this process and force the displacement transducer motion, measure the distance of motion, and to read this move distance be reading II by the displacement measuring staff, definition reading III is R3, then descend the gap B between axle shaft gear and the differential left shell to subtract the thickness that reading R2 adduction is simulated pad up and down for reading R3, then, selecting the thickness of lower gasket is B.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention can realize the Upper gasket in the differential mechanism and the one-shot measurement selection work of lower gasket, has greatly improved work efficiency.
2, the present invention adopts displacement sensor, and the measuring accuracy high level error is little, can realize the high precision assembling of differential mechanism.
3, the present invention can finish surveying work automatically, replaces manual operations, reduces the influence of human factor to the differential mechanism assembly quality.
4, the present invention installs parts and measuring workpieces in turn according to the erection sequence of origianl component in implementing the process of measuring, and easy for installation, whole test process is simple to operate, can alleviate working strength of workers greatly.
Description of drawings
Fig. 1 is the differential design synoptic diagram.
Fig. 2 is a differential gear pad-choosing measuring machine structural representation of the present invention.
Fig. 3 holds out against body and fit structure synoptic diagram thereof for the present invention.
Fig. 4 is sensor retainer of the present invention and fit structure synoptic diagram thereof.
Number in the figure: 1 near the switch coupon, 2 press down driving body, 3 pressure transducers, 4 assistor seats, 5 springs, fixed cover under the 5a, 6 adjust nut, 7 measure tappet, simulate pad on 8, the 8a Upper gasket, axle shaft gear on 9,10 upper plates, 11 hold out against spring, 12 times tight sleeves, 13 times axle shaft gears, 14 times simulation pads, the 14a lower gasket, 15 positioning tables, 16 push rods, 17 spring guides, 18 displacement measuring staffs, 19 displacement transducers, 20 near switch, 21 planet wheels, 22 differential right casings, 23 differential left shells, 24 joint spiders, 25 sensor retainers, 26 near switch frame, 27 joint bearing blocks, 28 oscillating bearings, 29 assistor cover plates;
Below pass through embodiment, and the invention will be further described in conjunction with the accompanying drawings.
Embodiment
Referring to Fig. 2, system is set to: place differential left shell 23 on positioning table 15, simulation pad 14 under placing between differential left shell 23 and the following axle shaft gear 13; At four end suit planet wheels 21 of measured piece joint spider 24, and place in the axis hole of differential left shell 23; Being arranged in down, the following tight sleeve 12 of the axis hole of axle shaft gear 13 is to be hung on down on the axle shaft gear 13 with its upper edge convex shoulder.
Referring to Fig. 2, Fig. 3, measure tappet 7 and connect firmly with following tight sleeve 12, between measurement tappet 7 and following tight sleeve 12, to place and hold out against spring 11, spring guide 17 is sleeved on to measure on the tappet 7 and by holding out against spring 11 and supports; Upper plate 10 is set is fitted on the spring guide 17, the periphery convex edge of upper plate 10 is used to support axle shaft gear 9, is placing simulation pad 8 between last axle shaft gear 9 and the differential right casing 22;
Referring to Fig. 2, Fig. 4,1 setting presses down driving body 2, in pressing down driving body 2, displacement transducer 19 is installed in the sensor holder 25, sensor holder 25 and assistor seat 4 link to each other by screw, pressure transducer 3 is fixedly installed on the assistor seat 4, near switch 20 by being fixed on the assistor cover plate 29 near switch frame 26, be screwed on the assistor seat 4 near switch coupon 1, oscillating bearing 28 links to each other with pressure transducer 3 by joint bearing block 27, in assistor seat 4 bottoms the adjustment nut 6 that can be pressed on the axle shaft gear top end face is set, the displacement measuring staff 18 that is arranged in assistor seat 4 constitutes displacement transducers 19 measuring heads with measurement tappet 7; The following fixed cover 5a that the inside, bottom that presses down driving body 2 is provided with spring 5 withholds on the end face of the top of differential right casing body 22; Push rod 16 can abovely push up the lower surface of axle shaft gear 13 extremely down.
Measuring process is as follows:
1, presses down driving body 2 integral body and move down, be pressed on the top end face of differential right casing 22, fitted in the right shell of differential left shell 23 and difference band device 22 no gaps until the following fixed cover 5a of spring 5; Meanwhile, eliminate the gap of going up between axle shaft gear 9 and the differential right casing 22 by holding out against spring 11 by spring guide 17 and upper plate 10; By holding out against spring 11 by the gap between axle shaft gear 13 and the differential left shell 23 under spring guide 17 and 12 eliminations of following tight sleeve;
2, pressing down driving body 2 continues to move downward, until adjusting the top end face that nut 6 touches axle shaft gear 9, adjust nut 6 driving pressure sensors 3 and assistor seat 4 and be installed on the assistor seat 4 near switch coupon 1, when reducing to, the gap of oscillating bearing 28 upper surfaces and assistor cover plate 29 makes near 1 triggering of switch coupon near switch 20, the actuating unit picked up signal, stop motion, measure tappet 7 in this process and force displacement transducer 19 motions by displacement measuring staff 18, and read location parameter reading I, defining this location parameter reading I is R1, is datum readings with reading R1;
3, after displacement transducer 19 reads datum readings R1, actuating unit continuation drive presses down driving body 2 and moves downward, after the gap complete obiteration of oscillating bearing 28 upper surfaces and assistor cover plate 29, pressure transducer 3 promotes assistor seat 4 and adjusts nut 6, force axle shaft gear 9 to move downward, and then force spring guide 17 compressions to hold out against spring 11, reach the pressure parameter of prior setting up to pressure transducer 3, the stop motion of actuating unit picked up signal, promptly eliminated the gap between last axle shaft gear 9 and the planet wheel 21 this moment, measure tappet 7 in this process and force displacement transducer 19 motions by displacement measuring staff 18, measure the distance of motion, and read reading II; Definition reading II is reading R2, then goes up gap A between axle shaft gear 9 and the differential right casing 22 and is reading R2 and subtracts reading R1 and add the thickness of simulating pad 8, then selects the thickness A of Upper gasket 8a;
4, after displacement transducer 19 reads reading R2, the actuating unit stop motion, and the locking actuating unit is keeping under the static state, push rod 16 moves upward, hold out against down axle shaft gear 13, and move upward, gap under eliminating fully between axle shaft gear 13 and the planet wheel 21, measure tappet 7 in this process and force displacement transducer 19 motions, measure the distance of motion, and to read this move distance be reading II by displacement measuring staff 18, definition reading III is reading R3, then descend the gap B between axle shaft gear 13 and the differential left shell 23 to subtract the thickness that reading R2 adduction is simulated pad 14 up and down for reading R3, then, selecting the thickness of lower gasket 14a is B.
Claims (2)
1. differential gear pad-choosing measuring system is characterized in that: go up at positioning table (15) and place differential left shell (23), simulation pad (14) under placing between differential left shell (23) and the following axle shaft gear (13); At four end suit planet wheels (21) of measured piece joint spider (24), and place in the axis hole of differential left shell (23); Being arranged in down, the following tight sleeve (12) of the axis hole of axle shaft gear (13) is hung on down on the axle shaft gear (13) with its upper edge convex shoulder, measuring tappet (7) connects firmly with following tight sleeve (12), place between measurement tappet (7) and following tight sleeve (12) and hold out against spring (11), spring guide (17) is sleeved on measurement tappet (7) and upward and by holding out against spring (11) supports; Upper plate (10) is set is fitted on the spring guide (17), the periphery convex edge of described upper plate (10) is used to support axle shaft gear (9), places between last axle shaft gear (9) and differential right casing (22) and goes up simulation pad (8); Setting presses down driving body (2), press down in the driving body (2) described, displacement transducer (19) is installed in the sensor holder (25), sensor holder (25) links to each other by screw with assistor seat (4), pressure transducer (3) is fixedly installed on the assistor seat (4), near switch (20) by being fixed on the assistor cover plate (29) near switch frame (26), be screwed on the assistor seat (4) near switch coupon (1), oscillating bearing (28) links to each other with pressure transducer (3) by joint bearing block (27), in assistor seat (4) bottom the adjustment nut (6) that can be pressed on the axle shaft gear top end face is set, the displacement measuring staff (18) that is arranged in assistor seat (4) constitutes displacement transducer (19) measuring head with described measurement tappet (7); The inside, bottom that presses down driving body (2) is provided with the following fixed cover (5a) of spring (5) and withholds on the top end face of differential right casing (22); Push rod (16) can be gone up the lower surface of axle shaft gear (13) extremely down, top.
2. the measuring method of the described differential gear pad-choosing measuring system of claim 1 is characterized in that:
At first, pressing down driving body (2) integral body moves down, following fixed cover (5a) until the spring (5) of the inside, bottom that presses down driving body (2) is pressed on the top end face of differential right casing (22), makes the no gap applying of differential left shell (23) and differential right casing (22); Meanwhile, by holding out against spring (11) by the gap between axle shaft gear (9) and the differential right casing (22) in spring guide (17) and upper plate (10) elimination; By holding out against spring (11) by the gap between axle shaft gear (13) and the differential left shell (23) under spring guide (17) and following tight sleeve (12) elimination;
Subsequently, pressing down driving body (2) continues to move downward, until adjusting the top end face that nut (6) touches axle shaft gear (9), adjust nut (6) driving pressure sensor (3) and assistor seat (4) and be installed on the assistor seat (4) near switch coupon (1), when reducing to, the gap of oscillating bearing (28) upper surface and assistor cover plate (29) makes near switch coupon (1) triggering near switch (20), the actuating unit picked up signal, stop motion, measure tappet (7) in this process and force displacement transducer (19) motion by displacement measuring staff (18), and read location parameter reading I, defining described location parameter reading I is R1, is datum readings with described R1;
After described displacement transducer (19) reads datum readings R1, actuating unit continuation drive presses down driving body (2) and moves downward, after the gap complete obiteration of oscillating bearing (28) upper surface and assistor cover plate (29), pressure transducer (3) promotes assistor seat (4) and adjusts nut (6), force axle shaft gear (9) to move downward, and then force spring guide (17) compression to hold out against spring (11), reach the pressure parameter of prior setting up to pressure transducer (3), the actuating unit picked up signal, stop motion, promptly eliminated the gap between last axle shaft gear (9) and the planet wheel (21) this moment, measure tappet (7) in this process and force displacement transducer (19) motion by displacement measuring staff (18), measure the distance of motion, and read reading II; Definition reading II is R2, and the gap A that then goes up between axle shaft gear (9) and the differential right casing (22) is the thickness that reading R2 subtracts reading R1 and adds simulation pad (8), and the thickness of then selecting Upper gasket (8a) is A;
After described displacement transducer (19) reads reading R2, the actuating unit stop motion, and the locking actuating unit is keeping under the static state, push rod (16) moves upward, hold out against down axle shaft gear (13), and move upward, gap under eliminating fully between axle shaft gear (13) and the planet wheel (21), measure tappet (7) in this process and force displacement transducer (19) motion by displacement measuring staff (18), measure the distance of motion, and to read this move distance be reading III, definition reading III is R3, then descend the gap B between axle shaft gear (13) and the differential left shell (23) to subtract reading R2 for reading R3 and add the thickness that upper and lower mould is intended pad (14), the thickness of then selecting lower gasket (14a) is B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810246225 CN101441071B (en) | 2008-12-31 | 2008-12-31 | Differential gear pad-choosing measuring system and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810246225 CN101441071B (en) | 2008-12-31 | 2008-12-31 | Differential gear pad-choosing measuring system and measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101441071A CN101441071A (en) | 2009-05-27 |
| CN101441071B true CN101441071B (en) | 2010-06-09 |
Family
ID=40725608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810246225 Active CN101441071B (en) | 2008-12-31 | 2008-12-31 | Differential gear pad-choosing measuring system and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101441071B (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608968B (en) * | 2009-07-24 | 2011-03-16 | 安徽巨一自动化装备有限公司 | Floating-jacking mechanism for measuring machine of passenger-car gear box |
| CN102564379B (en) * | 2011-12-30 | 2014-04-09 | 北京泰诚信测控技术股份有限公司 | Method and device for measuring and selecting gasket of taper bearing |
| CN102589873A (en) * | 2012-01-13 | 2012-07-18 | 上海新孚美变速箱技术服务有限公司 | Dynamic detector for automobile automatic transmission assembly |
| CN102778189B (en) * | 2012-07-20 | 2014-09-10 | 安徽江淮汽车股份有限公司 | Cushion-selecting measuring tool and measuring method thereof |
| CN102967283B (en) * | 2012-11-14 | 2015-11-11 | 安徽巨一自动化装备有限公司 | Differential side gear gasket measuring mechanism |
| CN103884309A (en) * | 2012-12-21 | 2014-06-25 | 中国科学院沈阳自动化研究所 | Servo pressurizing based depth measuring mechanism capable of variable pitch adjustment |
| CN103398841B (en) * | 2013-08-13 | 2015-11-25 | 大连康展机电工程有限公司 | Measuring machine selected by a kind of differential bearing pad |
| CN104236509B (en) * | 2014-09-26 | 2017-01-18 | 安徽巨一自动化装备有限公司 | Pinch roller position-changing mechanism applied to drive gear and driven gear gap detection |
| CN104567779B (en) * | 2014-12-24 | 2017-08-08 | 北京泰诚信测控技术股份有限公司 | A kind of left and right bearing shim measuring and selecting system of differential mechanism |
| CN105333852A (en) * | 2015-11-19 | 2016-02-17 | 重庆普什机械有限责任公司 | Device for detecting gear gap |
| CN105698732A (en) * | 2016-02-01 | 2016-06-22 | 温州市飞扬电气有限公司 | Intelligent detection device for detecting direct current motor gaps |
| CN106525112B (en) * | 2016-10-14 | 2019-06-18 | 安徽巨一自动化装备有限公司 | The anti-neglected loading testing agency of the shaft block ring of differential spider pinion shaft |
| CN107796348A (en) * | 2017-12-07 | 2018-03-13 | 机科发展科技股份有限公司 | A kind of cold press measurement apparatus |
| CN108036761A (en) * | 2017-12-12 | 2018-05-15 | 盛瑞传动股份有限公司 | A kind of differential gasket deflection verifying attachment and the method for inspection |
| CN108375439B (en) * | 2018-01-29 | 2020-06-16 | 中国第一汽车股份有限公司 | Selection device and method for common rail pipe pressure limiting valve opening pressure adjusting gasket |
| CN108801189B (en) * | 2018-08-24 | 2020-04-03 | 坤泰车辆系统（常州）有限公司 | Pad selecting method for gearbox shafting |
| CN112013750B (en) * | 2019-05-30 | 2022-02-01 | 北京福田康明斯发动机有限公司 | Gear clearance measuring device |
| CN110887428A (en) * | 2019-11-22 | 2020-03-17 | 柳州上汽汽车变速器有限公司 | Matching method for input shaft gasket of automobile transmission |
| CN111649713B (en) * | 2020-07-16 | 2021-12-14 | 山东舜感光电科技有限公司 | 360-degree sudden change strain sensor for optical fiber |
| CN111928759B (en) * | 2020-07-29 | 2021-10-15 | 合肥巨一动力系统有限公司 | Differential mechanism semi-axis gear selects pad to transfer clearance and uses comparison measuring device |
| CN114486244B (en) * | 2022-01-12 | 2023-07-11 | 襄阳达安汽车检测中心有限公司 | Differential mechanism test device of passenger car gearbox |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201352112Y (en) * | 2008-12-31 | 2009-11-25 | 安徽巨一自动化装备有限公司 | Measuring system for differential gasket selecting |
-
2008
- 2008-12-31 CN CN 200810246225 patent/CN101441071B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201352112Y (en) * | 2008-12-31 | 2009-11-25 | 安徽巨一自动化装备有限公司 | Measuring system for differential gasket selecting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101441071A (en) | 2009-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101441071B (en) | Differential gear pad-choosing measuring system and measuring method | |
| CN201352112Y (en) | Measuring system for differential gasket selecting | |
| CN201233218Y (en) | Battery thickness measuring instrument | |
| CN201007641Y (en) | Axial clearance adjusting spacer thickness measurement instrument with elastic modulus bearing | |
| CN103802065B (en) | Air-spring piston press-loading apparatus and pressing method | |
| CN207439339U (en) | A kind of flatness detecting device of stamping parts of automobile | |
| CN102967283B (en) | Differential side gear gasket measuring mechanism | |
| CN201266064Y (en) | Novel excircle measuring instrument for multi-step cylinder-shaped parts | |
| CN201688942U (en) | Axial force measuring sensor calibration device | |
| CN201152736Y (en) | Bearing outer collar dust-proof slot dimension detecting device | |
| CN101666611B (en) | System and method for measuring and selecting driving gear mounting distance adjusting shim of divided steering drive axle assembly | |
| CN203881532U (en) | Force deformation measuring instrument | |
| CN202216790U (en) | System for measuring and detecting static friction force and kinetic friction force | |
| CN203053421U (en) | Bearing bush wall thickness automation measurement apparatus | |
| CN203981091U (en) | Automobile engine crankshaft center pit cubing structure | |
| CN203534767U (en) | Pressure sensor calibration device | |
| CN101470024B (en) | Electronic balance weighing auxiliary device for hydrogen cylinder | |
| CN216525837U (en) | Compression heat generation testing machine | |
| CN202393475U (en) | Weighing device for connecting rod concentric reducer | |
| CN214024613U (en) | System for controlling bottom surface processing flatness of large metal box type workpiece | |
| CN210037858U (en) | Engine valve seating rate signal detection device | |
| CN202393367U (en) | Bush outside-diameter measuring device | |
| CN201247126Y (en) | Vertical automatic balance weight-removing machine | |
| CN206862804U (en) | A kind of electronic type metal Rockwell apparatus | |
| CN201476776U (en) | Instrument for measuring single-sided convex value of bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.5821, Fanfu Avenue, Baohe District, Hefei City, Anhui Province Patentee after: Anhui Juyi Technology Co., Ltd Address before: Three road 230051 Anhui city in Hefei Province, Baohe Industrial Park Road junction with latitude by five Patentee before: ANHUI JEE AUTOMATION EQUIPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address |