CN105277156A - Device and method for detecting abrasion loss of nut of car lifting jack - Google Patents
Device and method for detecting abrasion loss of nut of car lifting jack Download PDFInfo
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- CN105277156A CN105277156A CN201510867897.2A CN201510867897A CN105277156A CN 105277156 A CN105277156 A CN 105277156A CN 201510867897 A CN201510867897 A CN 201510867897A CN 105277156 A CN105277156 A CN 105277156A
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- nut
- abrasion
- horner
- car lifting
- proximity switch
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Abstract
The invention relates to a device and method for detecting the abrasion loss of a nut of a car lifting jack. The device comprises a connecting plate, a sleeve body fixed on the connecting plate and a detection pin inserted into the sleeve body and capable of performing axial movement and rotation in the sleeve body, one end of the detection pin is in a shape of a circular truncated cone matched with a screw thread form groove, and the other end of the detection pin is sleeved in a spring and can be always kept in a tightly pressed state under the action of the spring. Two cylindrical grooves are formed in the sleeve body and are respectively a cylindrical groove I and a cylindrical groove II. The detection pin is connected with a threaded sleeve through a pin after being sleeved in the spring and then extends out of the cylindrical groove I and enables the threaded sleeve to simultaneously perform axial movement and rotation together with the detection pin. A measurement device is fixed to the threaded sleeve through a locking nut and can move along with the threaded sleeve. An identification assembly is fixed to the connecting plate and can measure the abrasion loss of the nut through movement of a measuring plate. The device can measure the abrasion loss of the nut accurately, conveniently, timely and quickly and is simple in operation and lower in manufacturing cost.
Description
Technical field
The present invention relates to and newly to make for domestic and international locomotive, vehicle (vehicle comprises visitor, lorry) or method and device that in repair procedures, regular (or irregular according to behaviour in service) detects car lifting J-Horner nut abrasion value, especially relate to a kind of pick-up unit for the abrasion of car lifting J-Horner nut and detection method.
Background technology
At present, railway locomotive, vehicle are newly made or repaired all needs synchronously car body to be erected certain altitude with four scaffold car machines so that install or overhaul the parts and components of vehicle bottom.Nut in car lifting J-Horner is main rapid wear attrition component, and the abrasion of nut are not easily found and observe, production is made to there is potential safety hazard like this, the method adopted at present: have iron-free or copper powders immediately below visualization nut, nut wears away to have powder to illustrate; The roughly abrasion value that can obtain nut between form of thread that screw rod engages with nut is filled in clearance gauge; Disintegration car lifting J-Horner during overhaul, measures nut thread tooth form size and just can obtain abrasion value accurately, general 1 year of overhaul or several years once, as accidental impact causes car lifting J-Horner to damage except special circumstances.
In the prior art, visual observation only knows whether nut wears away, but can not get the abrasion value of nut; It is not accurate that method filled in by clearance gauge; Amend the law greatly to obtain abrasion value but consuming time and increase cost accurately, said method is not precisely, inconvenient, not in time, quick and cost is also high, once find that nut abrasion meet or exceed limiting quantity and can bury potential safety hazard to production not in time.
There is following defect in prior art: 1. visual observation only knows whether nut wears away, but can not get the abrasion value of nut; 2. fill in the roughly abrasion value that can obtain nut between form of thread that screw rod engages with nut with clearance gauge but not accurate; 3. disintegration car lifting J-Horner during overhaul, measures nut thread tooth form size and just can obtain abrasion value accurately, and once, not in time, quick and cost is also high for general 1 year of overhaul or several years.
Summary of the invention
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals:
A kind of pick-up unit for the abrasion of car lifting J-Horner nut, it is characterized in that, comprise: a gusset, be fixed on the body on gusset and be inserted in body and the test pin that can axially move in body and rotate, detect slightly end and be set to the truncated conical shape that screw rod tooth form groove adapts; The other end is inserted in a spring and can remains impaction state under the action of the spring; Be provided with two cylindrical grooves in described body, be respectively cylindrical groove one and cylindrical groove two; Described cylindrical groove one groove depth is greater than the groove depth of cylindrical groove two; And cylindrical groove two groove depth is less than the limited compression amount of spring; Described both ends of the spring is resisted against the two ends of test pin and body respectively; Detect after stretching out from cylindrical groove one after the slightly other end is inserted in spring and be connected with a thread bush by pin, thread bush can be moved axially together with test pin simultaneously and also can rotate; Measurement mechanism set nut to be fixed on thread bush and to move with thread bush; Identified component is fixed on the abrasion value that gusset also can be gone out nut by the traverse measurement of measuring plate.
At above-mentioned a kind of pick-up unit for the abrasion of car lifting J-Horner nut, described gusset is fixed on tested nut by socket head cap screw, cylinder end clamping fixed screw makes the head of test pin insert screw rod tooth form groove for the upper-lower position adjusting gusset and the gapless qualified position of 1mm and screw rod tooth form both sides at the bottom of distance tooth, and locked by set nut.
At above-mentioned a kind of pick-up unit for the abrasion of car lifting J-Horner nut, a gathering sill is provided with below gusset, dive key to insert in gathering sill and is fixed on nut by fillister head screw, is directed to flat key guiding and makes it not swing to be in tram all the time when gusset does adjustment up and down.
At above-mentioned a kind of pick-up unit for the abrasion of car lifting J-Horner nut, also comprise a protective cover, be fixed on gusset by pan head screw by protective cover, above-mentioned thread bush, part body, measurement plate and identified component are all arranged in protective cover.
At above-mentioned a kind of pick-up unit for the abrasion of car lifting J-Horner nut, described identified component is a proximity switch assembly, comprises proximity switch mount pad and proximity switch, and proximity switch is fixed on gusset by socket head cap screw; Proximity switch is installed on proximity switch mount pad, and described measurement mechanism is one and measures version.
At above-mentioned a kind of pick-up unit for the abrasion of car lifting J-Horner nut, described identified component is a rule, and described measurement mechanism is a pointer, by detecting the mobile abrasion value driving the movement of pointer never to point out rule top nut slightly.
Detect a detection method for car lifting J-Horner nut abrasion value, it is characterized in that, comprising:
One Installation and Debugging step: the head of test pin is inserted screw rod tooth form groove and to be that tram is apart from 1mm at the bottom of tooth and screw rod tooth form both sides gapless qualified, the measurement plate 7 that now proximity switch 12 records is A1 with the distance value of proximity switch, and numerical value A1 is set to zero when touch-screen shows;
The step of one detection abrasion value: the abrasion along with nut decline by car lifting J-Horner nut Abrasion detecting device together, when the abrasion value of nut reaches the ultimate value 2mm of setting, nut will vertically decline 2.0706mm, and now the head of test pin produces how much axial displacement after inserting screw rod tooth form groove, definition according to trigonometric function: tangent tan α=h/H, H=h*tan α, wherein, α is 15 degree, result of calculation test pin and measurement plate axial displacement H, the distance measuring plate and proximity switch is A2=A1+H, H is divided into 20 parts then A2 '=A1+H/20 be abrasion value.
In above-mentioned a kind of detection method detecting car lifting J-Horner nut abrasion value, the elevating function detecting car lifting J-Horner during nut abrasion value must quit work, specifically: the protective cover first opening car lifting J-Horner nut Abrasion detecting device, hold set nut pin pull out from the shallow slot of body and 90-degree rotation then imported in the deep trouth of body, now test pin contacts with the tooth form of screw rod, measures plate simultaneously and also there occurs change with proximity switch distance.
In above-mentioned a kind of detection method detecting car lifting J-Horner nut abrasion value, also comprise:
A step checked and examined; Because test pin can not tracing detection constantly, check and examine once in the time of interval user setting.After completing nut Abrasion detecting, hold set nut pin pull out from the deep trouth of body and 90-degree rotation then imported in shallow slot, how no matter test pin contacted with the tooth form of screw rod, the protective cover that closes also locks with pan head screw and gusset, now can the start shooting lifting carrying out car lifting J-Horner or decline work.
Therefore, tool of the present invention has the following advantages: 1, precisely, conveniently, in time, efficiently can measure nut abrasion value; 2, rational in infrastructure, simple to operate and cost of manufacture is cheaper.
Accompanying drawing explanation
Fig. 1 is with proximity switch detection and nut abrasion value is the diagrammatic cross-section of zero, and namely car lifting J-Horner and this device newly make the qualified position of Installation and Debugging.Now the elevating function of car lifting J-Horner can not work;
Fig. 2 detects with proximity switch and nut abrasion value reaches the diagrammatic cross-section of 2mm, and now the elevating function of car lifting J-Horner can not work;
Fig. 3 is the diagrammatic cross-section that proximity switch does not detect nut abrasion value, and now car lifting J-Horner can work;
Trigonometric function graph of a relation when Fig. 4 is nut abrasion 2mm;
Fig. 5 is with rule detection and nut abrasion value is the diagrammatic cross-section of zero, and namely car lifting J-Horner and this device newly make the qualified position of Installation and Debugging.Now the elevating function of car lifting J-Horner can not work;
Fig. 6 detects with rule and nut abrasion value reaches the diagrammatic cross-section of 2mm, and now the elevating function of car lifting J-Horner can not work;
Fig. 7 is the diagrammatic cross-section not detecting nut abrasion value with rule, and now car lifting J-Horner can work.
Fig. 8 is the structural representation of the measurement plate in the present invention.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.In figure, test pin 1, proximity switch mount pad 2, spring 3, gusset 4, body 5, thread bush 6, measurement plate 7, protective cover 8; 8 kinds of standard components are: set nut 11, proximity switch 12, pin 13, cone end holding screw 14, socket head cap screw 15, socket head cap screw 16, fillister head screw 17, dive key 18, pan head screw 19, set nut 20, cylinder end clamping fixed screw 21.
Embodiment 1:
Fig. 1 newly makes for the present invention relates to for domestic and international locomotive, vehicle (vehicle comprises visitor, lorry) or detects method and the device of car lifting J-Horner nut abrasion in repair procedures with proximity switch regular (or irregular).This device is made up of 8 parts and 11 kinds of standard components: 8 parts have: test pin 1, proximity switch mount pad 2, spring 3, gusset 4, body 5, thread bush 6, measurement plate 7, protective cover 8; 8 kinds of standard components are: set nut 11, proximity switch 12, pin 13, cone end holding screw 14, socket head cap screw 15, socket head cap screw 16, fillister head screw 17, dive key 18, pan head screw 19, set nut 20 and cylinder end clamping fixed screw 21.Figure paper size and technical requirement make 8 parts, buy 11 kinds of standard components, always scheme and this device of technical requirement assembly welding, assembling, adjustment and debugging till qualified (as Fig. 1 and Fig. 5) according to car lifting J-Horner nut Abrasion detecting device.
As shown in Figure 1, with 4 socket head cap screws 15, gusset 4 is fixed on nut, makes the head of test pin 1 insert screw rod tooth form groove with the upper-lower position that 2 cylinder end clamping fixed screws 21 adjust gusset 4 and then use the locked cylinder end clamping fixed screw 21 of set nut 20 apart from the gapless qualified position of 1mm and screw rod tooth form both sides at the bottom of tooth; Body 5 to load in gusset 4 and by cone end holding screw 14 fixing can not move axially not rotatable yet; Test pin 1 loads in body 5 and can move axially also rotatable, and spring 3 is contained between test pin 1 and body 5; Thread bush 6 is inserted in body 5 and is connected as one with test pin 1 pin 13, and thread bush 6 can move axially simultaneously also can rotate together with test pin 1; Measure plate 7 set nut 11 to be fixed on thread bush 6 and to move with thread bush 6; Proximity switch mount pad 24 socket head cap screws 16 are fixed on gusset 4; Proximity switch 12 is installed on proximity switch mount pad 2; Dive key 18 is fixed on nut by 2 fillister head screws 17, is directed to flat key 18 guiding and makes it not swing to be in tram all the time when gusset about 4 adjusts; With 6 pan head screws 19, protective cover 8 is fixed on gusset 4.By said method assembling back detection pin 1, thread bush 6, measure plate 7, set nut 11 and pin 13 is coupled is integrated, can move axially simultaneously and also can make radial rotating.
The head of test pin 1 inserted screw rod tooth form groove and should again process apart from the equal gapless of 1mm and screw rod tooth form both sides at the bottom of tooth.Body 5 has been opened two mutually one dark one shallow in the groove of 90 degree.Test pin 1 is pressed in screw rod tooth form groove by spring 3 all the time.
Illustrate at this: because abrasion value regulation when each enterprise scraps for nut is different, therefore just difference is set what select the different and industrial computer of the detecting distance of proximity switch, only need changing the scale of rule when selecting rule directly to read the device of nut abrasion value, other is constant, and the nut condemning limit abrasion value that the application's specific embodiment is arranged is 2mm.
2. as Fig. 1,2, shown in 3 and 4, the car lifting J-Horner nut abrasion value pick-up unit newly made and car lifting J-Horner are when Installation and Debugging, the head of test pin 1 is inserted screw rod tooth form groove and to be that tram is apart from 1mm at the bottom of tooth and screw rod tooth form both sides gapless qualified, the measurement plate 7 that now proximity switch 12 records is A1 with the distance value of proximity switch 12, and numerical value A1 is set to zero when touch-screen shows.Abrasion along with nut decline by car lifting J-Horner nut Abrasion detecting device together, when the abrasion value of nut reaches the ultimate value 2mm of setting, nut will vertically decline 2.0706mm, and now the head of test pin 1 produces how much axial displacement (namely to left dislocation) after inserting screw rod tooth form groove, definition according to trigonometric function: tangent tan α=h/H, H=h*tan α=2.0706*tan15=7.7274mm, result of calculation test pin 1 and measure plate 7 axial displacement 7.7274mm (relative position of Fig. 1 and Fig. 2), measuring plate 7 with the distance of proximity switch 12 is A2=A1+7.7274 (see Fig. 2), numerical value A2 is 2mm when touch-screen shows, 7.7274mm is divided into 20 parts then A2 '=A1+0.77274/2 numerical value be the abrasion value of 0.1mm when touch-screen shows.In like manner can show other abrasion value.
The elevating function detecting car lifting J-Horner during nut abrasion value must quit work.First open the protective cover 8 of car lifting J-Horner nut Abrasion detecting device, hold set nut 11 pin 13 pull out from the shallow slot of body 5 and 90-degree rotation then imported in the deep trouth of body 5, now test pin 1 contacts with the tooth form of screw rod, simultaneously measure plate 7 also as shown in Figure 3 position be transformed into position shown in Fig. 2, (elevating function of car lifting J-Horner is not started shooting) such proximity switch of starting shooting again just can carry out distance to measurement plate 7 and detect, there is automatic synchronous lifting interface in touch-screen, point " nut Abrasion detecting " key, touch-screen occurs with " being normally elevated ", a certain concrete numerical value between 0-2mm illustrates that mother nut abrasion do not arrive the limit, point " automatic synchronous lifting " key can enter " lifting " or " decline " interface, as can not be then represented, nut abrasion value arrives (mistake) limit, point " automatic synchronous lifting " key then can not enter " lifting " or " decline " interface lock machine (elevating function of car lifting J-Horner is locked) simultaneously, only more renew nut and adjust, to debug this device qualified, a certain concrete numerical value between 0-2mm and " being normally elevated " could be demonstrated, normal procedure of being allowed for access at touch-screen.
3. as shown in Figures 2 and 3, because test pin 1 can not tracing detection constantly, separated in time (as weekly, monthly or half a year) check and examine once.After completing nut Abrasion detecting, hold set nut 11 pin 13 pull out from the deep trouth of body 5 and 90-degree rotation then imported in shallow slot, how no matter test pin 1 contacted with the tooth form of screw rod, the protective cover 8 that closes also locks with 6 pan head screws 19 and gusset 4, now can the start shooting lifting carrying out car lifting J-Horner or decline work.
Embodiment 2
As shown in Fig. 5,6 and 7, the device that rule directly reads nut abrasion value is substantially identical with the device detecting nut abrasion value with proximity switch, the device that the concrete steps completing this device and proximity switch detect nut abrasion value is also substantially identical, and it is constant just to measure that plate 7 changes pointer 7 into, proximity switch 12 becomes rule 8 remaining parts.The abrasion value for nut that the scale of rule 8 and numerical value reflect.So with the device same section not repeated description detecting nut abrasion value with proximity switch.
The setting of rule 8 and the relation of nut abrasion value and pointer 7: nut do not wear away i.e. abrasion value for zero time pointer 7 indicated by scale be zero nut zero abrasion value, the pointer 7 displacement 7.7274mm as nut abrasion 2mm, the now indicated scale of pointer 7 be 2 that is nut abrasion value be 2mm, and the actual range on rule 8 between 0-2 is 7.7274mm, 7.7274mm is divided into the so every lattice 0.77274mm of ten lattice, the practical significance that every lattice reflect is nut abrasion value is 0.2mm, and this precision is enough.
Equally after completing the detection of nut abrasion value, pin 13 is pulled out also 90-degree rotation from the deep trouth of body 5 then imported in shallow slot, how no matter test pin 1 contacted with the tooth form of screw rod, the protective cover 9 that closes also locks with 6 pan head screws 19 and gusset 4, now can the start shooting lifting carrying out car lifting J-Horner or decline work.
Other structures and detecting step are all identical with embodiment 1, are not repeating at this.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ test pin 1, proximity switch mount pad 2, spring 3, gusset 4, body 5, thread bush 6 herein, measure plate 7, protective cover 8; 8 kinds of standard components are: the terms such as set nut 11, proximity switch 12, pin 13, cone end holding screw 14, socket head cap screw 15, socket head cap screw 16, fillister head screw 17, dive key 18, pan head screw 19, set nut 20, cylinder end clamping fixed screw 21, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (9)
1. the pick-up unit for the abrasion of car lifting J-Horner nut, it is characterized in that, comprise: a gusset, be fixed on the body on gusset and be inserted in body and the test pin that can axially move in body and rotate, detect slightly end and be set to the truncated conical shape that screw rod tooth form groove adapts; The other end is inserted in a spring and can remains impaction state under the action of the spring; Be provided with two cylindrical grooves in described body, be respectively cylindrical groove one and cylindrical groove two; Described cylindrical groove one groove footpath is greater than cylindrical groove two groove footpath; And cylindrical groove two groove footpath is equal to or greater than the axial diameter of spring; Described both ends of the spring is resisted against the two ends of cylindrical groove two respectively; Detect after stretching out from cylindrical groove one after the slightly other end is inserted in spring and be connected with a thread bush by pin, thread bush can be moved axially together with test pin simultaneously and also can rotate; Measurement mechanism set nut to be fixed on thread bush and to move with thread bush; Identified component is fixed on the abrasion value that gusset also can be gone out nut by the traverse measurement of measuring plate.
2. a kind of pick-up unit for the abrasion of car lifting J-Horner nut according to claim 1, it is characterized in that, described gusset is fixed on tested nut by socket head cap screw, cylinder end clamping fixed screw makes the head of test pin insert screw rod tooth form groove for the upper-lower position adjusting gusset and the gapless qualified position of 1mm and screw rod tooth form both sides at the bottom of distance tooth, and locked by set nut.
3. a kind of pick-up unit for the abrasion of car lifting J-Horner nut according to claim 1, be characterised in that, a gathering sill is provided with below gusset, dive key to insert in gathering sill and is fixed on nut by fillister head screw, is directed to flat key guiding and makes it not swing to be in tram all the time when gusset does adjustment up and down.
4. a kind of pick-up unit for the abrasion of car lifting J-Horner nut according to claim 1, it is characterized in that, also comprise a protective cover, be fixed on gusset by pan head screw by protective cover, above-mentioned thread bush, part body, measurement plate and identified component are all arranged in protective cover.
5. a kind of pick-up unit for the abrasion of car lifting J-Horner nut according to claim 1, it is characterized in that, described identified component is a proximity switch assembly, comprises proximity switch mount pad and proximity switch, and proximity switch is fixed on gusset by socket head cap screw; Proximity switch is installed on proximity switch mount pad, and described measurement mechanism is one and measures version.
6. a kind of pick-up unit for the abrasion of car lifting J-Horner nut according to claim 1, it is characterized in that, described identified component is a rule, and described measurement mechanism is a pointer, by detecting the mobile abrasion value driving the movement of pointer never to point out rule top nut slightly.
7. detect a detection method for car lifting J-Horner nut abrasion value, it is characterized in that, comprising:
One Installation and Debugging step: the head of test pin is inserted screw rod tooth form groove and to be that tram is apart from 1mm at the bottom of tooth and screw rod tooth form both sides gapless qualified, the measurement plate 7 that now proximity switch 12 records is A1 with the distance value of proximity switch, and numerical value A1 is set to zero when touch-screen shows;
The step of one detection abrasion value: the abrasion along with nut decline by car lifting J-Horner nut Abrasion detecting device together, when the abrasion value of nut reaches the ultimate value 2mm of setting, nut will vertically decline 2.0706mm, and now the head of test pin produces how much axial displacement after inserting screw rod tooth form groove, definition according to trigonometric function: tangent tan α=h/H, H=h*tan α, wherein, α is 15 degree, result of calculation test pin and measurement plate axial displacement H, the distance measuring plate and proximity switch is A2=A1+H, H is divided into 20 parts then A2'=A1+H/20 be abrasion value.
8. a kind of detection method detecting car lifting J-Horner nut abrasion value according to claim 7, it is characterized in that, the elevating function detecting car lifting J-Horner during nut abrasion value must quit work, specifically: the protective cover first opening car lifting J-Horner nut Abrasion detecting device, hold set nut pin pull out from the shallow slot of body and 90-degree rotation then imported in the deep trouth of body, now test pin contacts with the tooth form of screw rod, measures plate simultaneously and also there occurs change with proximity switch distance.
9. a kind of detection method detecting car lifting J-Horner nut abrasion value according to claim 8, is characterized in that, also comprise:
A step checked and examined; Because test pin can not tracing detection constantly, check and examine once in the time of interval user setting.After completing nut Abrasion detecting, hold set nut pin pull out from the deep trouth of body and 90-degree rotation then imported in shallow slot, how no matter test pin contacted with the tooth form of screw rod, the protective cover that closes also locks with pan head screw and gusset, now can the start shooting lifting carrying out car lifting J-Horner or decline work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867897.2A CN105277156B (en) | 2015-11-30 | 2015-11-30 | A kind of detection means and detection method for the abrasion of car lifting J-Horner nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867897.2A CN105277156B (en) | 2015-11-30 | 2015-11-30 | A kind of detection means and detection method for the abrasion of car lifting J-Horner nut |
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| CN105277156A true CN105277156A (en) | 2016-01-27 |
| CN105277156B CN105277156B (en) | 2018-03-27 |
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| CN201510867897.2A Active CN105277156B (en) | 2015-11-30 | 2015-11-30 | A kind of detection means and detection method for the abrasion of car lifting J-Horner nut |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04296268A (en) * | 1991-03-25 | 1992-10-20 | Nippon Gear Co Ltd | Valve actuator provided with automatic detecting means for stem nut wear |
| JP2004144604A (en) * | 2002-10-24 | 2004-05-20 | Seibu Electric & Mach Co Ltd | Screw wear amount detection device |
| CN201335766Y (en) * | 2008-12-16 | 2009-10-28 | 中国矿业大学 | Frictional wear testing machine for cylinder sleeve and piston ring |
| CN203259672U (en) * | 2013-04-07 | 2013-10-30 | 上海德梅柯汽车装备制造有限公司 | Indirect sensor for nut detection |
| CN104006720A (en) * | 2014-06-13 | 2014-08-27 | 南车长江车辆有限公司 | Bearing axial play measuring device |
| CN205482854U (en) * | 2015-11-30 | 2016-08-17 | 中车长江车辆有限公司 | Detection apparatus for be used for wearing and tearing of car lifting jack nut |
-
2015
- 2015-11-30 CN CN201510867897.2A patent/CN105277156B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04296268A (en) * | 1991-03-25 | 1992-10-20 | Nippon Gear Co Ltd | Valve actuator provided with automatic detecting means for stem nut wear |
| JP2004144604A (en) * | 2002-10-24 | 2004-05-20 | Seibu Electric & Mach Co Ltd | Screw wear amount detection device |
| CN201335766Y (en) * | 2008-12-16 | 2009-10-28 | 中国矿业大学 | Frictional wear testing machine for cylinder sleeve and piston ring |
| CN203259672U (en) * | 2013-04-07 | 2013-10-30 | 上海德梅柯汽车装备制造有限公司 | Indirect sensor for nut detection |
| CN104006720A (en) * | 2014-06-13 | 2014-08-27 | 南车长江车辆有限公司 | Bearing axial play measuring device |
| CN205482854U (en) * | 2015-11-30 | 2016-08-17 | 中车长江车辆有限公司 | Detection apparatus for be used for wearing and tearing of car lifting jack nut |
Non-Patent Citations (1)
| Title |
|---|
| 刘昌旭: "凸焊工装的结构分析及设计参数", 《焊接技术》 * |
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Effective date of registration: 20200701 Address after: No. 358, Yanling East Road, Wujin District, Changzhou City, Jiangsu Province Patentee after: CRRC Changzhou Vehicle Co., Ltd Address before: 430212 new bridge area, Jiangxia Economic Development Zone, Wuhan, Hubei Patentee before: CRRC Yangtze Co.,Ltd. |
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