CN204963756U - Multi -function vehicle wheel tread appearance detects model - Google Patents
Multi -function vehicle wheel tread appearance detects model Download PDFInfo
- Publication number
- CN204963756U CN204963756U CN201520746144.1U CN201520746144U CN204963756U CN 204963756 U CN204963756 U CN 204963756U CN 201520746144 U CN201520746144 U CN 201520746144U CN 204963756 U CN204963756 U CN 204963756U
- Authority
- CN
- China
- Prior art keywords
- blade
- screens
- straight line
- wheel rim
- wheel
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a multi -function vehicle wheel tread appearance detects model, include the blade, one side of blade is provided with qr minimum detection rule, and the opposite side of blade is provided with the rim and heaves maximum height detection rule, and the middle part of blade is provided with defect length detection ruler, and the upper portion of blade is provided with the cardboard, upward is provided with rim maximum height detection rule, rim minimum thickness check rule and the biggest thickness check of rim on the cardboard and advises. After adopting above -mentioned structure, the function is various, convenient to carry, and one is detected the model and can realize that qr value transfinites detections, rim height and transfinites detection, flange thickness minimum and maximum value detection, rim surface and heave the detection of transfiniting of transfinite detection and tread surface imperfection length. In addition, examining time measuring, being qualitative the detection basically, need not detect concrete numerical value, detects fastly, maintenance efficiency is high, and the cost of overhaul is hanged down.
Description
Technical field
The utility model relates to the one detection tool that rail vehicle truck is produced and used in maintenance process, and particularly a kind of multi-functional wheel tread contour detects model.
Background technology
Wheel is the critical component that rail vehicle runs, and directly affects the safety of vehicle operating.And the profile of the tread portions that wheel coordinates with rail and size are even more important.
When wheel track is in operation generation abrasion or abnormal defect, tread contour and size will be caused to change.The change of tread contour and size, just may cause wheel track abnormal vibrations even to derail once transfinite.Therefore run goal regularly strictly to monitor wheel, check tread surface state, measure overall size.
Tread contour and dimension inspection, the usual project that need detect has: whether Qr value transfinites, whether flange height exceedes, flange thickness whether within specialized range, whether rim surface has heaves and heave whether superelevation, and whether the defect length of tread surface transfinites etc.
In prior art, for detecting above-mentioned various project, once maintenance need carry multiple testing tool, as the vernier caliper and the dedicated test measurer detecting end item use etc. of ruler, Multiple Type.
The above-mentioned testing tool that prior art uses, in practice maintenance process, also exists following deficiency:
1. inconvenience is carried in an aspect, detects loaded down with trivial details, and part dedicated test measurer is expensive, complicated operation, rapid wear, needs special messenger's special storehouse preservation, regularly censorship.
2. on the other hand, above-mentioned detection tool is measurer, is quantitative measurment, can detects concrete numerical value.For detecting the result of some projects, need the time cycle that cost is longer.And when overhauling, vehicle fleet size is many, also limits if having time the repair time, for finishing the maintenance of all items in official hour, needing to drop into more manpower, indirectly adding human cost, and artificial error in measurement is comparatively large, reliability is on the low side.
All test items of tread contour and dimension inspection, when analysis and assessment, the general time is longer, estimates half a year more than, just needs to carry out a quantitative measurment, need detect concrete numerical value.In daily maintenance, we only need observational measurement, also namely judge whether wheel tread surface state and size transfinite, and do not need concrete numerical value.
Therefore, if can develop a kind of detection model, this detection sample is easy to carry, can measure on simple and fast ground, through type, without the need to reading, when also namely detecting, only need judge whether profile or size transfinite, and not transfiniting, it is qualified to be.Like this, significantly can improve overhaul efficiency, reduce the cost of overhaul, marketing and using value high.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, and provides a kind of multi-functional wheel tread contour to detect model, and it is easy to carry that this multi-functional wheel tread contour detects model, diverse in function, overhaul efficiency is high, and the cost of overhaul is low, marketing and using value high.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of multi-functional wheel tread contour detects model, wheel tread comprises wheel rim, wheel rim is disposed with wheel rim summit, the first intersection point, the second intersection point and nominal rolling round dot from top to bottom, comprise blade, the side of blade is provided with Qr minimum value and detects rule, and the opposite side of blade is provided with wheel rim and heaves maximum height detection rule;
Blade to comprise on the blade that is parallel to each other straight line C under straight line G and blade;
Qr minimum value detects rule and comprises straight line C under screens A, screens B, screens D and blade; After the horizontal linear at straight line C under blade and place, wheel rim summit fits, screens A can fit with the name rolling round dot on wheel rim, and screens B can fit with the second intersection point on wheel rim; Under screens D to blade, the vertical range of straight line C is equal to the vertical range of place, wheel rim summit horizontal linear with the first intersection point, and the vertical range of screens D to screens B place vertical line equals Qr minimum value;
Maximum height of heaving wheel rim detects rule for being arranged at a L-type groove under blade on straight line C, and the bottom land straight line O of L-type groove parallels with straight line C under blade; Vertical range under bottom land straight line O and blade between straight line C equals wheel rim and heaves maximum height value.
On described blade, the middle part of straight line G is provided with clamp, and on this, the side of clamp is provided with wheel rim maximum height and detects rule; Wheel rim maximum height detects rule and comprises straight line G and the straight line F perpendicular with straight line G on blade on screens E, blade; After straight line G on blade and wheel medial surface fit, screens E can fit with the name round dot that rolls, and the vertical range between screens E to straight line F equals wheel rim maximum height value.
The opposite side of described upper clamp is provided with wheel rim minimum thickness and detects rule, and wheel rim minimum thickness detects rule and comprises straight line G on screens H, screens I and blade; On blade, straight line G can fit with wheel medial surface, and screens I is corresponding with the position of the second intersection point on wheel rim, and screens H is corresponding with the position of rolling round dot nominal on wheel rim; On screens I to blade, the vertical range of straight line G equals wheel rim minimum thickness value, and on screens H to blade, the vertical range of straight line G equals the vertical range of nominal rolling round dot to wheel medial surface.
The wheel rim maximum gauge that is provided with of described upper clamp detects rule, wheel rim maximum gauge detects rule and comprises screens E, screens M and straight line N, straight line N can fit with wheel medial surface, and screens M is corresponding with the position of the second intersection point on wheel rim, and screens E is corresponding with the position of rolling round dot nominal on wheel rim; The vertical range of screens M to straight line N equals wheel rim minimum thickness value, and the vertical range of screens E to straight line N equals the vertical range of nominal rolling round dot to wheel medial surface.
The middle part of described blade is provided with defect length detection ruler.
After the utility model adopts said structure, there is following beneficial effect:
1. structure is simple, is easy to realize, and deposits less demanding, easy to use, is widely used in the examination and repair of rail vehicle wheel, marketing and using value high.
2. diverse in function, easy to carry, one is detected that model can realize the detection of Qr value overrun testing, flange height overrun testing, flange thickness minimum value and maximal value, rim surface heaves overrun testing and tread surface defect length overrun testing.In addition, during detection, be substantially qualitative detection, do not need to detect concrete numerical value, detection speed is fast, and overhaul efficiency is high, and the cost of overhaul is low.
Accompanying drawing explanation
Fig. 1 shows wheel tread shape test item and analyzes schematic diagram;
Fig. 2 shows the structural representation that a kind of multi-functional wheel tread contour of the utility model detects model;
Fig. 3-a shows and uses Qr minimum value to detect rule detection wheel rim Qr value, and schematic diagram when judging qualified;
Fig. 3-b shows and uses Qr minimum value to detect rule detection wheel rim Qr value, and schematic diagram when being judged to be defective;
Fig. 4-a shows and uses wheel rim maximum height to detect rule detection flange height, and schematic diagram when judging qualified;
Fig. 4-b shows and uses wheel rim maximum height to detect rule detection flange height, and schematic diagram when being judged to be defective;
Fig. 5-a shows and uses wheel rim minimum thickness to detect rule detection flange thickness, and schematic diagram when judging qualified;
Fig. 5-b shows and uses wheel rim minimum thickness to detect rule detection flange thickness, and schematic diagram when being judged to be defective;
Fig. 6-a shows and uses wheel rim maximum gauge to detect rule detection flange thickness, and schematic diagram when judging qualified;
Fig. 6-b shows and uses wheel rim maximum gauge to detect rule detection flange thickness, and schematic diagram when being judged to be defective;
Fig. 7-a shows and uses wheel rim to heave maximum height detection rule detection wheel rim bulge height, and schematic diagram when judging qualified;
Fig. 7-b shows and uses wheel rim to heave maximum height detection rule detection wheel rim bulge height, and schematic diagram when being judged to be defective;
Fig. 8-a shows the schematic diagram of the defect length on wheel tread;
Fig. 8-b show familiar lacunas length detection chi carry out defect length detect time schematic diagram.
Wherein have:
1.Qr minimum value detects rule; 2. wheel rim maximum height detects rule; 3. wheel rim minimum thickness detects rule; 4. wheel rim maximum gauge detects rule; 5. maximum height detection rule heaved by wheel rim; 6. defect length detection ruler; 61. defect length; 62. scales; 7. blade; 8. wheel; 81. wheel medial surfaces; 82. wheel rims; 821. flange height; 822. flange thickness; 823. fixed values one; 824. fixed values two; 825. fixed values three; 9. go up clamp; 10. gap; 11. contact points.
Embodiment
Below in conjunction with accompanying drawing and concrete better embodiment, the utility model is described in further detail.
Detect before model illustrates at multi-functional wheel tread contour of the present utility model, the tread contour that first will detect the utility model and the several professional inspection item of size, simply explain explanation once.
As shown in Figure 1, wheel 8 comprises wheel medial surface 81 and wheel rim 82, and wherein, wheel rim 82 is disposed with wheel rim summit, the first intersection point, the second intersection point and nominal rolling round dot from top to bottom.
Wheel rim summit, is designated as a F
1, be the point that wheel rim tip position is the highest;
First intersection point, is designated as a D
1, some D
1the horizontal linear at place and some F
1between vertical range be a fixed value 1, this fixed value 1 is generally 2mm.
Name rolling round dot, is designated as an A
1, nominal rolling round dot is a proprietary term in the industry, some A
1and the vertical range value between wheel medial surface 81 is a fixed value 3 825, and this fixed value 3 825 is generally 70mm.
Second intersection point, is a B
1, some B
1the horizontal linear at place and some A
1between the horizontal linear at place vertical range be a fixed value 2 824, this fixed value 2 824 is generally 10mm.
1.Qr value: some B
1to vertical range value and the some D of wheel medial surface 81
1to the difference of the vertical range value of wheel medial surface 81.
2. flange height 821: the vertical range value between the horizontal linear of wheel rim summit to name rolling round dot place.
3. flange thickness 822: from a B
1to the vertical range value of wheel medial surface 81.
As shown in Figure 2, a kind of multi-functional wheel tread contour detects model, comprises blade 7, upper clamp 9, Qr minimum value detection rule 1, wheel rim maximum height detects rule 2, wheel rim minimum thickness detects rule 3, wheel rim maximum gauge detects rule 4, wheel rim is heaved maximum height and detected rule 5 and defect length detection ruler 6.
As replacement, wheel rim maximum height detects rule 2, wheel rim minimum thickness detects rule 3, wheel rim maximum gauge detects rule 4, wheel rim is heaved maximum height and detected rule 5 and defect length detection ruler 6, also can detect needs according to reality, arrange selectively.
Blade 7 to comprise on the blade that is parallel to each other straight line C under straight line G and blade; Upper clamp 9 is preferably arranged on the middle part of straight line G on blade, and defect length detection ruler 6 is preferably arranged on the middle part of blade 7.
As shown in Figure 2 and Figure 8, show the detection schematic diagram adopting defect length detection ruler 6 to detect defect length 61 on tread, straight line C under the blade of blade 7 is close to defect length 61 place, read length value according to the scale on blade 7.
Qr minimum value detects rule 1 and is preferably arranged on the right side of blade 7, and as shown in Figures 2 and 3, Qr minimum value detects rule 1 and comprises straight line C under screens A, screens B, screens D and blade.
Under blade, straight line C designs with reference to the horizontal linear at place, wheel rim summit on wheel rim 82, screens A designs with reference to nominal rolling round dot on wheel rim 82, screens B designs with reference to the second intersection point on wheel rim 82, and screens D designs with reference to the first intersection point on wheel rim 82.
After the horizontal linear at straight line C under blade and place, wheel rim summit fits, screens A can fit with the name rolling round dot on wheel rim, and screens B can fit with the second intersection point on wheel rim; Under screens D to blade, the vertical range of straight line C is equal to the vertical range of place, wheel rim summit horizontal linear with the first intersection point, and the vertical range of screens D to screens B place vertical line equals Qr minimum value.
During Qr value overrun testing, screens A is attached to the name rolling round dot on tread, and under blade, the horizontal linear at straight line C and place, wheel rim summit fits, the second intersection point on screens B and wheel rim fits, now, as shown in Fig. 3-a, have gap 10 between screens D and wheel rim, then it is qualified to be judged to be; As shown in Fig. 3-b, screens D and wheel rim have point of contact 11, are now judged to be defective.
Maximum height of heaving wheel rim detects rule 5 and is arranged on the left side of blade 7, and as shown in Figure 2 and Figure 7, wheel rim is heaved maximum height and detected rule 5 for being arranged at a L-type groove under blade on straight line C, and the bottom land straight line O of L-type groove parallels with straight line C under blade; Vertical range under bottom land straight line O and blade between straight line C equals wheel rim and heaves maximum height value.
During wheel rim bulge height overrun testing, straight line C under blade and wheel rim face are fitted, as shown in Fig. 7-a, heaving a P when bottom land straight line O and wheel rim face has gap 10, then qualifiedly pass through; If a P is heaved in bottom land straight line O and wheel rim face have point of contact 11, as shown in Fig. 7-b, be then judged to be defective, now, under blade, can not fit completely in straight line C and wheel rim face.
Wheel rim maximum height detects the right side that rule 2 are preferably arranged on clamp 9; As shown in Figure 2 and Figure 4, wheel rim maximum height detection rule 2 comprise straight line G and the straight line F perpendicular with straight line G on blade on screens E, blade.
The similar wheel medial surface of the right part of straight line G on blade, screens E designs with reference to the name rolling round dot on wheel rim, and straight line F designs with reference to the horizontal linear through wheel rim summit.
After straight line G on blade and wheel medial surface fit, screens E can fit with the name round dot that rolls, and the vertical range between screens E to straight line F equals wheel rim maximum height value.
During flange height overrun testing, on blade, straight line G is attached to wheel medial surface, is also on wheel rim face.Now, can fit with the name rolling round dot on tread when screens E is attached to, and between straight line F and wheel rim summit, have gap 10, then qualifiedly to pass through, as depicted in fig. 4-a; Between straight line F and wheel rim summit, have point of contact 11, and when having gap 10 between screens E and tread, be then judged to be defective, as shown in Fig. 4-b.
Wheel rim minimum thickness detects rule 3, as shown in Figure 2 and Figure 5, is preferably arranged on the left side of clamp 9, and wheel rim minimum thickness detects rule 3 and comprises straight line G on screens H, screens I and blade.
The similar wheel medial surface of the left part of straight line G on blade, screens H designs with reference to the name rolling round dot on wheel rim, and screens I designs with reference to the second intersection point on wheel rim.
On blade, straight line G can fit with wheel medial surface, and screens I is corresponding with the position of the second intersection point on wheel rim, and screens H is corresponding with the position of rolling round dot nominal on wheel rim; On screens I to blade, the vertical range of straight line G equals wheel rim minimum thickness value, and on screens H to blade, the vertical range of straight line G equals the vertical range of nominal rolling round dot to wheel medial surface.
When flange thickness detects, as shown in Figure 5, on blade, straight line G is attached to wheel medial surface in the measurement of wheel rim minimum thickness, is also on wheel rim face.Now, when screens I contacts with wheel rim, and screens H and tread have gap 10, then qualifiedly pass through, as shown in Fig. 5-a; If screens H contacts with tread, and screens I and wheel rim have gap 10, be then judged to be defective, as shown in Fig. 5-b.
Wheel rim maximum gauge detects rule 4, as shown in Figure 2 and Figure 6, is preferably arranged on the top of clamp 9, and wheel rim maximum gauge detects rule 4 and comprises screens E, screens M and straight line N.
Straight line N can fit with wheel medial surface, and screens M is corresponding with the position of the second intersection point on wheel rim, and screens E is corresponding with the position of rolling round dot nominal on wheel rim; The vertical range of screens M to straight line N equals wheel rim minimum thickness value, and the vertical range of screens E to straight line N equals the vertical range of nominal rolling round dot to wheel medial surface.
When flange thickness detects, as shown in Figure 6, straight line N is attached to wheel medial surface in the measurement of wheel rim maximum gauge, is also on wheel rim face.Now, be attached to as screens E on the name rolling round dot on tread, and screens M and wheel rim there is gap 10, then qualifiedly to pass through, as Fig. 6-a; If screens M contacts with wheel rim, and screens E and tread have gap 10, be then judged to be defective, as shown in Fig. 6-b.
More than describe preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple equivalents to the technical solution of the utility model, these equivalents all belong to protection domain of the present utility model.
Claims (5)
1. a multi-functional wheel tread contour detects model, wheel tread comprises wheel rim, wheel rim is disposed with wheel rim summit, the first intersection point, the second intersection point and nominal rolling round dot from top to bottom, it is characterized in that: comprise blade, the side of blade is provided with Qr minimum value and detects rule, and the opposite side of blade is provided with wheel rim and heaves maximum height detection rule;
Blade to comprise on the blade that is parallel to each other straight line C under straight line G and blade;
Qr minimum value detects rule and comprises straight line C under screens A, screens B, screens D and blade; After the horizontal linear at straight line C under blade and place, wheel rim summit fits, screens A can fit with the name rolling round dot on wheel rim, and screens B can fit with the second intersection point on wheel rim; Under screens D to blade, the vertical range of straight line C is equal to the vertical range of place, wheel rim summit horizontal linear with the first intersection point, and the vertical range of screens D to screens B place vertical line equals Qr minimum value;
Maximum height of heaving wheel rim detects rule for being arranged at a L-type groove under blade on straight line C, and the bottom land straight line O of L-type groove parallels with straight line C under blade; Vertical range under bottom land straight line O and blade between straight line C equals wheel rim and heaves maximum height value.
2. multi-functional wheel tread contour according to claim 1 detects model, it is characterized in that: on described blade, the middle part of straight line G is provided with clamp, and on this, the side of clamp is provided with wheel rim maximum height and detects rule; Wheel rim maximum height detects rule and comprises straight line G and the straight line F perpendicular with straight line G on blade on screens E, blade; After straight line G on blade and wheel medial surface fit, screens E can fit with the name round dot that rolls, and the vertical range between screens E to straight line F equals wheel rim maximum height value.
3. multi-functional wheel tread contour according to claim 2 detects model, it is characterized in that: the opposite side of described upper clamp is provided with wheel rim minimum thickness and detects rule, and wheel rim minimum thickness detects rule and comprises straight line G on screens H, screens I and blade; On blade, straight line G can fit with wheel medial surface, and screens I is corresponding with the position of the second intersection point on wheel rim, and screens H is corresponding with the position of rolling round dot nominal on wheel rim; On screens I to blade, the vertical range of straight line G equals wheel rim minimum thickness value, and on screens H to blade, the vertical range of straight line G equals the vertical range of nominal rolling round dot to wheel medial surface.
4. the multi-functional wheel tread contour according to Claims 2 or 3 detects model, it is characterized in that: the wheel rim maximum gauge that is provided with of described upper clamp detects rule, wheel rim maximum gauge detects rule and comprises screens E, screens M and straight line N, straight line N can fit with wheel medial surface, screens M is corresponding with the position of the second intersection point on wheel rim, and screens E is corresponding with the position of rolling round dot nominal on wheel rim; The vertical range of screens M to straight line N equals wheel rim minimum thickness value, and the vertical range of screens E to straight line N equals the vertical range of nominal rolling round dot to wheel medial surface.
5. multi-functional wheel tread contour according to claim 1 detects model, it is characterized in that: the middle part of described blade is provided with defect length detection ruler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746144.1U CN204963756U (en) | 2015-09-24 | 2015-09-24 | Multi -function vehicle wheel tread appearance detects model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746144.1U CN204963756U (en) | 2015-09-24 | 2015-09-24 | Multi -function vehicle wheel tread appearance detects model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204963756U true CN204963756U (en) | 2016-01-13 |
Family
ID=55058813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520746144.1U Withdrawn - After Issue CN204963756U (en) | 2015-09-24 | 2015-09-24 | Multi -function vehicle wheel tread appearance detects model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204963756U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222679A (en) * | 2015-09-24 | 2016-01-06 | 南车南京浦镇车辆有限公司 | A kind of multi-functional wheel tread contour detects model |
| CN112525040A (en) * | 2020-11-26 | 2021-03-19 | 上海合纵重工机械有限公司 | Tooth thickness gauge for plane enveloping ring surface worm and manufacturing method and using method thereof |
| CN112629367A (en) * | 2020-11-30 | 2021-04-09 | 杭州嘉诚机械有限公司 | Worm tooth profile and tooth thickness detection device and method |
-
2015
- 2015-09-24 CN CN201520746144.1U patent/CN204963756U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222679A (en) * | 2015-09-24 | 2016-01-06 | 南车南京浦镇车辆有限公司 | A kind of multi-functional wheel tread contour detects model |
| CN105222679B (en) * | 2015-09-24 | 2018-01-30 | 中车南京浦镇车辆有限公司 | A kind of multi-functional wheel tread contour detects model |
| CN112525040A (en) * | 2020-11-26 | 2021-03-19 | 上海合纵重工机械有限公司 | Tooth thickness gauge for plane enveloping ring surface worm and manufacturing method and using method thereof |
| CN112525040B (en) * | 2020-11-26 | 2022-07-05 | 上海合纵重工机械有限公司 | Tooth thickness gauge for plane enveloping ring surface worm and manufacturing method and using method thereof |
| CN112629367A (en) * | 2020-11-30 | 2021-04-09 | 杭州嘉诚机械有限公司 | Worm tooth profile and tooth thickness detection device and method |
| CN112629367B (en) * | 2020-11-30 | 2022-11-22 | 杭州嘉诚机械有限公司 | Worm tooth profile and tooth thickness detection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201569401U (en) | Automobile bumper energy absorbing block checking tool | |
| CN201607184U (en) | Special push-pull gauge for quickly measuring height | |
| CN204963756U (en) | Multi -function vehicle wheel tread appearance detects model | |
| CN102322776B (en) | Single-toe elastic strip fast detecting tool and detecting method | |
| CN203719594U (en) | Upper center pan round navel measuring gauge | |
| CN203688158U (en) | Dynamic balance machine used for measuring balance of rotor | |
| CN201597603U (en) | Linkage tester of tread face of rim of wheel | |
| CN201561731U (en) | Wheel rim tread detection measuring tool | |
| CN103171589A (en) | Rail outline detection method based on abrasion value | |
| CN105222679A (en) | A kind of multi-functional wheel tread contour detects model | |
| CN203811102U (en) | Measuring scale for vertical grinding depth of railhead tread of steel rail | |
| CN204988150U (en) | Quick test valve -face and perpendicularity examine utensil | |
| CN202692895U (en) | Measure ruler for railroad wagon wheel rim thickness and roll width | |
| CN104848766A (en) | Detection apparatus of rail train wheel tread rolling circle diameter, and detection method thereof | |
| CN202470941U (en) | Detection tool for notebook computer fan housing balance degree | |
| CN104359359B (en) | A kind of rail cross-sectional outling detection template | |
| CN208313888U (en) | Wire rope standard equipment | |
| CN204788179U (en) | Detection apparatus for rail train wheel rolling tread circle diameter | |
| CN201247020Y (en) | Special feeler gauge for detecting steel rail flatness | |
| CN201555548U (en) | Auxiliary appliance for examining cross section of steel rail | |
| CN202648577U (en) | Wheel rim limit checker | |
| CN215217436U (en) | Railway rolling stock wheel detection tool | |
| CN208795405U (en) | Crane wheel compression testing device | |
| CN203534497U (en) | Connecting rod detecting machine | |
| CN202420397U (en) | Checking tool for depth of central hole of steering knuckle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 210031 Nanjing province high tech Development Zone, Taishan Park North Pearl Road, No. 68 Patentee after: CRRC NANJING PUZHEN CO., LTD. Address before: 210031 Nanjing province high tech Industrial Development Zone, Taishan Park, North Pearl Road, No. 68 Patentee before: CSR NANJING PUZHEN Vehicles Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160113 Effective date of abandoning: 20180130 |
|
| AV01 | Patent right actively abandoned |