CN213067416U - Detection device for detecting eccentricity of wheel tread - Google Patents

Detection device for detecting eccentricity of wheel tread Download PDF

Info

Publication number
CN213067416U
CN213067416U CN202021403294.XU CN202021403294U CN213067416U CN 213067416 U CN213067416 U CN 213067416U CN 202021403294 U CN202021403294 U CN 202021403294U CN 213067416 U CN213067416 U CN 213067416U
Authority
CN
China
Prior art keywords
rod
wheel
transverse
connecting sleeve
positioning
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
Application number
CN202021403294.XU
Other languages
Chinese (zh)
Inventor
张磊
杨晓东
庞晋龙
刘海波
高峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baowu Group Masteel Rail Transit Materials Technology Co Ltd
Original Assignee
Baowu Group Masteel Rail Transit Materials Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baowu Group Masteel Rail Transit Materials Technology Co Ltd filed Critical Baowu Group Masteel Rail Transit Materials Technology Co Ltd
Priority to CN202021403294.XU priority Critical patent/CN213067416U/en
Application granted granted Critical
Publication of CN213067416U publication Critical patent/CN213067416U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The utility model relates to the field of wheel detection, in particular to a detection device for detecting the eccentricity of a wheel tread, which comprises a ruler rod, wherein one end of the ruler rod is connected with a positioning part, and the other end of the ruler rod is connected with a detection part; the positioning part comprises a positioning column arranged at the end part of the ruler rod; the detection part comprises a dial indicator connected with the ruler rod. The utility model discloses a detection device that eccentric detection of wheel tread used, through chi pole, locating part and detection parts's setting, can realize the detection to wheel tread eccentricity, the utility model discloses a detection device, can accurately, measure the tread eccentricity value of every wheel rapidly, judge whether qualified the wheel to whether confirm whether follow-up doing over again, repair soon, thereby ensure the safe and steady operation of wheel, have very big practical value and higher economic benefits.

Description

Detection device for detecting eccentricity of wheel tread
Technical Field
The utility model relates to a wheel detection area is a detection device that wheel tread eccentric detection used particularly.
Background
The wheel is one of the key parts of the rail vehicle, and plays roles of vehicle body traction, guidance, load carrying, braking and the like. In recent years, with the rapid development of railway transportation in China, the speed of a train is continuously increased, the axle weight is increased, and the requirements on the shape, the size and the precision of wheels are higher and higher.
When the wheel is operated on the steel rail at a high speed, if the tread of the wheel is eccentric and large, the interaction between the wheel and the rail and the vibration acceleration of each part of the system are greatly influenced, the vibration of the vehicle is aggravated along with the increase of the eccentricity, so that the parts of the vehicle frequently break down, the safety and the stability of the train are directly endangered, the eccentricity of the tread of the wheel needs to be measured, and whether the wheel is reworked or not is determined according to the measurement result, so that the eccentricity of the tread of the wheel meets the standard requirement, and the stable and safe operation of the vehicle is ensured.
At present, the tread eccentricity of a railway wheel is not measured by a special measuring tool, the wheel can only be placed on a special machine tool to rotate and test a meter, the wheel needs to be carried, hoisted, measured and recorded, the whole measuring process is very complicated, and the wheel machining and measuring efficiency is seriously influenced.
At present, the specifications of railway wheels are numerous, the sizes of the railway wheels are different, and if the existing wheel eccentric measurement mode and equipment are used, the detection cost of an enterprise is high, and measurement errors and misjudgments can often occur, so that the quality of a user is dissatisfied, and the production and detection efficiency of the wheels are seriously influenced. Therefore, in order to quickly and accurately detect the eccentricity of the wheel tread, a special measuring tool for the eccentricity of the wheel tread, which is simple and convenient to operate and can be accurately measured, is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a simple structure, can realize the detection device that wheel tread eccentricity detected fast.
In order to realize the purpose, the utility model discloses a technical scheme be:
a detection device for detecting the eccentricity of a wheel tread comprises a ruler rod, wherein one end of the ruler rod is connected with a positioning component, and the other end of the ruler rod is connected with a detection component; the positioning part comprises a positioning column arranged at the end part of the ruler rod; the detection part comprises a dial indicator connected with the ruler rod.
The detection dial indicator is connected with the ruler rod through an adjusting mechanism, the adjusting mechanism comprises a connecting sleeve, and the connecting sleeve is sleeved on the ruler rod; the ruler rod is connected with the dial indicator through a connecting sleeve.
The connecting sleeve comprises a connecting sleeve body which is sleeved on the ruler rod; the edge of the connecting sleeve body is provided with a longitudinal plate, and the dial indicator is connected with the connecting sleeve body through the longitudinal plate.
The vertical section of the ruler rod is rectangular; the vertical section of the connecting sleeve body is in a shape of Chinese character 'hui'.
The ruler rod comprises a first transverse rod and a second transverse rod; the first transverse rod and the second transverse rod are connected through a transition inclined rod.
The positioning column is connected with a guide mechanism, and the guide mechanism comprises a positioning sleeve sleeved on the positioning column; and the positioning sleeve is provided with a guide ball.
The positioning sleeve comprises a positioning sleeve body, and a transverse plate is arranged at the edge of the positioning sleeve body; the guide balls are arranged on the transverse plate.
The guide ball is connected with the transverse plate through a linkage rod; the linkage rod is connected with the transverse plate through threads; and a plurality of threaded holes for connecting the linkage rods are formed in the transverse plate.
The transition inclined rod is connected with the first transverse rod or the second transverse rod through the adjusting linkage part; the adjusting linkage part comprises an arc-shaped groove arranged on the transition inclined rod; the transition inclined rod penetrates through the arc-shaped groove through a bolt to be connected with the first transverse rod or the second transverse rod; and a rotating pin for positioning the transition inclined rod and the first transverse rod or the second transverse rod is arranged at the circle center of the arc-shaped groove.
The longitudinal plate is connected with the connecting sleeve body through the adjusting part; the longitudinal plate is connected with the connecting sleeve body through a rotating shaft; the adjusting part comprises an adjusting screw rod arranged on the side surface of the longitudinal plate and a connecting seat arranged on the connecting sleeve body; one end of the adjusting screw rod is movably connected with the longitudinal plate; the other end is connected with the connecting seat; the connecting seat comprises a threaded column; the threaded column is connected with the connecting sleeve body through threads; the end part of the threaded column is provided with a connecting block, and the connecting block is provided with an adjusting threaded hole connected with an adjusting screw rod.
The utility model has the advantages that:
the utility model discloses a detection device that eccentric detection of wheel tread used, through chi pole, locating part and detection parts's setting, can realize the detection to wheel tread eccentricity, the utility model discloses a detection device, can accurately, measure the tread eccentricity value of every wheel rapidly, judge whether qualified the wheel to whether confirm whether follow-up doing over again, repair soon, thereby ensure the safe and steady operation of wheel, have very big practical value and higher economic benefits.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the positioning member of the present invention.
Fig. 3 is a top view of the positioning member of the present invention.
Fig. 4 is the structure schematic diagram of the optimized middle ruler rod of the utility model.
Fig. 5 is the schematic structural diagram of the first optimized scheme of the middle connecting sleeve of the present invention.
Fig. 6 is the schematic structural diagram of the second optimized scheme of the middle connecting sleeve of the present invention.
Fig. 7 is a right side view of fig. 6.
Fig. 8 is a schematic structural view of the middle longitudinal plate of the present invention.
Fig. 9 is a schematic structural view of the middle pad structure of the present invention.
Fig. 10 shows a connection mode when the single gaskets are not completely butted.
The labels in the above figures are:
1. ruler pole, 2, reference column, 3, adapter sleeve, 4, percentage table, 5, wheel.
Detailed Description
The following description of the preferred embodiments of the present invention will be made in further detail with reference to the accompanying drawings.
A detection device for detecting the eccentricity of a wheel tread comprises a ruler rod 1, wherein one end of the ruler rod 1 is connected with a positioning component, and the other end of the ruler rod is connected with a detection component; the positioning component comprises a positioning column 2 arranged at the end part of the ruler rod 1; the detection part comprises a dial indicator 4 connected with the ruler rod 1; the utility model discloses well percentage table 4 mainly is used for discerning the detection, and chi pole 1 plays the effect of bridging, and the locating component plays the effect of demarcation, and during the use with wheel hub hole wall laminating; the utility model realizes the positioning of the detection device by matching the positioning part with the wheel hub hole wall; the length of the detection part is extended by the ruler rod 1, so that the detection head of the dial indicator is attached to the tread to be detected, and the detection of the wheel tread is realized.
Preferably, in the utility model, the detection dial indicator 4 is connected with the ruler rod 1 through an adjusting mechanism, the adjusting mechanism comprises a connecting sleeve 3, and the connecting sleeve 3 is sleeved on the ruler rod 1; the ruler rod 1 is connected with a dial indicator 4 through a connecting sleeve 3; through the arrangement of the adjusting mechanism, the dial indicator 4 can be conveniently detected to move on the ruler rod 1, the distance between the detection part and the positioning part can be changed, the application range of the utility model can be improved, and wheels 5 with different sizes can be detected; after the dial indicator 4 moves to a set position, the connecting sleeve 3 is fixed on the ruler rod 1, the connecting sleeve 3 and the ruler rod 1 can be connected in various modes, and can be connected through the bolt 33, so that in order to avoid movement interference between the bolt 33 and the connecting sleeve 3, a kidney-shaped hole is formed in the connecting sleeve 3 and is arranged along the movement direction of the connecting sleeve 3; the bolt 33 passes through a kidney-shaped hole on the connecting sleeve 3 to be connected with the ruler rod 1, and the connecting sleeve 3 is tightly pressed by a nut to realize the fixed connection of the connecting sleeve 3 and the ruler rod 1.
Preferably, the connecting sleeve 3 of the present invention comprises a connecting sleeve body 31, and the connecting sleeve body 31 is sleeved on the ruler rod 1; the edge of the connecting sleeve body 31 is provided with a longitudinal plate 32, and the dial indicator 4 is connected with the connecting sleeve body 31 through the longitudinal plate 32; the utility model discloses well connecting sleeve body 31 cup joints on chi pole 1, vertical board 32 plays the effect of extension adapter sleeve 3, has made things convenient for the longitudinal arrangement of percentage table 4, and is preferred in addition, the utility model discloses well vertical board 32 can be connected on connecting sleeve body 31 through clamp 321, realizes connecting between them through clamp 321, conveniently changes the position of vertical board 32 on connecting sleeve body 31, and then can realize the change to the 4 horizontal positions of percentage table, better satisfies the actual requirement, can improve the application scope of the utility model; the longitudinal plate 32 is connected with the connecting sleeve body 31 through a hoop 321, and an annular groove is formed in the connecting sleeve body 31, so that the arrangement of the hoop 321 is facilitated; of course, the connection of the longitudinal plates 32 to the connecting sheath 31 can also be made in other ways, such as the structures disclosed hereinafter; the two connection modes can be combined; the setting can be specifically carried out according to the requirement; in addition, as a greater optimization; the utility model discloses well vertical board 32 is last to be equipped with the cross under hole for the detection head of percentage table 4 passes, and vertical board 32 can set up as required with the connected mode of percentage table 4, can select the bolt to connect and also can choose the connection of modes such as hasp for use, the utility model discloses well percentage table 4 adopts the fixed connection when dismantling with vertical board 32.
Preferably, in the utility model, the vertical section of the ruler rod 1 is rectangular; the vertical section of the connecting sleeve body 31 is in a shape of Chinese character 'hui'; by the arrangement, the connecting sleeve body 31 can be prevented from rotating relative to the ruler rod 1; therefore, the position of the dial indicator 4 can be conveniently determined, the accuracy of the position of the dial indicator 4 can be guaranteed, and the measuring accuracy can be better guaranteed.
Preferably, the measuring tape 1 of the present invention comprises a first transverse bar 11 and a second transverse bar 12; the first transverse rod 11 is connected with the second transverse rod 12 through a transition inclined rod 13; in the utility model, the transition diagonal rod 13 is obliquely arranged, the first transverse rod 11 and the second transverse rod 12 are transversely arranged, and in such an arrangement mode, the first transverse rod 11 and the second transverse rod 12 play a role of a reference surface, so that the first transverse rod and the second transverse rod are conveniently attached to the outer side surface of the wheel 5 to be measured, and the transition diagonal rod 13 is used for avoiding the problem that the middle side surface and the edge side surface of the wheel 5 are not on the same plane; as a greater optimization, the transition inclined rod 13 is connected with the first transverse rod 11 or the second transverse rod 12 through an adjusting linkage part; the adjusting linkage part comprises an arc-shaped groove 132 arranged on the transition inclined rod 13; the transition inclined rod 13 is connected with the first transverse rod 11 or the second transverse rod 12 through a bolt passing through the arc-shaped slot 132; a rotating pin 131 for positioning the transition inclined rod 13 and the first transverse rod 11 or the second transverse rod 12 is arranged at the center of the arc-shaped groove 132; such setting for contained angle between transition down tube 13 and first transverse bar 11 and the second transverse bar 12 can change as required, improves the utility model discloses an application scope.
Preferably, in the present invention, the positioning column 2 is connected to a guiding mechanism, and the guiding mechanism includes a positioning sleeve 21 sleeved on the positioning column 2; the positioning sleeve 21 is provided with a guide ball 23; the positioning sleeve 21 is connected with the positioning column 2 through a bolt; the positioning sleeve 21 plays a role in connection, and the guide mechanism is conveniently connected with the positioning column 2; in addition, in order to avoid abrasion to the train wheel 5 when the detection device rotates, the positioning sleeve 21 is connected with a guide ball 23, and the side surface of the guide ball 23 is in contact with the hole wall of the hub when in use; the sliding friction between the positioning column 2 and the train wheel 5 is changed into rolling friction; abrasion damage between components is reduced; in addition, the number of the guide balls 23 in the utility model can be set according to the requirement; the arrangement mode as shown in the attached drawings can be adopted, and other arrangements can be adopted as long as the set effect is achieved; in addition, preferably, the positioning sleeve 21 of the present invention comprises a positioning sleeve 21 body, and a transverse plate 22 is disposed at the edge of the positioning sleeve 21 body; the guide balls 23 are arranged on the transverse plate 22; in the utility model, because of the positions of the positioning sleeve 21 and the connecting sleeve 3, the positioning sleeve 21 and the connecting sleeve 3 both play a role of supporting and are used for supporting the whole detection device to be arranged on the wheel 5 to be detected; make whole device have a support benchmark, in other words exactly, the utility model discloses well position sleeve 21 and adapter sleeve 3 contact 5 wheel body sides of wheel, and the transverse plate 22 in the position sleeve 21 and the adapter sleeve body 31 in the adapter sleeve 3 all play fine support positioning action to whole device takes place the problem of slope when having avoided detecting.
Preferably, the guide ball 23 in the present invention is connected with the transverse plate 22 through the linkage rod 2-11; the linkage rods 2-11 are connected with the transverse plate 22 through threads; the transverse plate 22 is provided with a plurality of threaded holes for connecting the linkage rods 2-11; the threaded holes at different positions are selected through the linkage rods 2-11, and the linkage rods play a role of a threaded rod and can adjust the distance between the guide balls and the transverse plate; the adjusting function is achieved, in addition, the guide ball and the linkage rod are movably connected, the connection mode can be that the guide ball is embedded into the end part of the linkage rod, and the end part of the guide ball protrudes out of the end part of the linkage rod; the mode can ensure the connection between the guide ball and the linkage rod, and simultaneously, the movement of the guide ball cannot be influenced; so through the setting of above structure, can change the utility model discloses the combination mode of well guiding mechanism and 5 wheel hub pore walls of wheel can change different laminating modes as required, is favorable to improving the utility model discloses an application scope.
Preferably, in the present invention, the longitudinal plate 32 is connected to the connecting sleeve 31 through the adjusting portion; the longitudinal plate 32 is connected with the connecting sleeve body 31 through a rotating shaft 34; the adjusting part comprises an adjusting screw rod 36 arranged on the side surface of the longitudinal plate 32 and a connecting seat 37 arranged on the connecting sleeve body 31; one end of the adjusting screw rod 36 is movably connected with the longitudinal plate 32; the other end is connected with a connecting seat 37; the connecting seat 37 comprises a threaded post; the threaded column is connected with the connecting sleeve body 31 through threads; the end part of the threaded column is provided with a connecting block, and the connecting block is provided with an adjusting threaded hole connected with an adjusting screw rod 36; by means of the arrangement, the arrangement direction of the longitudinal plate 32 can be changed, the position of the longitudinal plate 32 can be finely adjusted as required, and the verticality between the dial indicator 4 and the tread to be tested is guaranteed; as a greater optimization, in order to avoid the interference problem between the movement of the adjusting screw 36 and the longitudinal plate 32, in the present invention, the adjusting screw 36 is connected to the longitudinal plate 32 through a clamping portion, and the clamping portion includes a clamping groove 38 disposed on the longitudinal plate 32; the clamping groove 38 is communicated with the side surface of the longitudinal plate 32; the end part of the adjusting screw rod 36 is provided with a clamping block 35, and the adjusting screw rod 36 is movably connected with the clamping block 35; the clamping block 35 is clamped in the clamping groove 38; in the utility model, the adjusting screw rod 36 and the clamping block 35 can be connected by universal heads, and the universal heads are used to avoid the interference of the rotation of the adjusting screw rod 36 and the movement between the longitudinal plates 32; in addition, the vertical section of the clamping groove 38 in the utility model is T-shaped, and the end of the clamping block connected with the clamping groove is also T-shaped; the T-shaped clamping groove 38 can not only realize the connection between the adjusting screw rod 36 and the longitudinal plate 32, but also realize the self limiting function of the T-shaped groove, and can also ensure the stability of the connection between the adjusting screw rod 36 and the longitudinal plate 32.
Preferably, the utility model also comprises a backing plate mechanism 1-1; the backing plate mechanism 1-1 comprises a backing plate body 1-11, when in use, the backing plate body 1-11 is firstly adhered to the outer side surface of a hub, and the laying position can be the edge of an inner hole of the hub or the edge of a wheel rim; the pad plate bodies 1-11 play a role in protection, and the outer side surfaces of the train wheels are prevented from being damaged by friction due to the rotation of the detection device; in addition, as a greater optimization, the cushion plate body 1-11 of the utility model is formed by assembling a plurality of single cushion plates 1-12, and the adjacent single cushion plates 1-12 are laid in a butt joint mode, so as to ensure the smoothness of the upper end surface of the cushion plate structure; the connection mode between the adjacent single base plates 1-12 can adopt a magnet, and can also adopt other connection modes, the connection modes are specifically arranged according to the requirements, and when the magnets 1-13 are adopted, the base plate bodies 1-11 are required to be made of iron materials; the magnets 1-13 are adopted for splicing the single base plates 1-12, so that the base plate bodies 1-11 can be conveniently spliced, meanwhile, the end parts of the base plate bodies 1-11 are not required to be completely butted, and local butt joint is also feasible, so that the difficulty in laying the adjacent single base plates 1-12 can be reduced; meanwhile, through the arrangement, the inner diameter and the outer diameter of the base plate bodies 1 to 11 can be changed as required, so that the application range of the utility model is wider.
Obviously the specific implementation of the present invention is not limited by the above-mentioned manner, and various insubstantial improvements made by the method concept and technical solution of the present invention are all within the protection scope of the present invention.

Claims (10)

1. The detection device for detecting the eccentricity of the wheel tread is characterized by comprising a ruler rod, wherein one end of the ruler rod is connected with a positioning component, and the other end of the ruler rod is connected with a detection component; the positioning part comprises a positioning column arranged at the end part of the ruler rod; the detection part comprises a dial indicator connected with the ruler rod.
2. The device for detecting the eccentricity of the tread of the wheel as claimed in claim 1, wherein the dial indicator is connected with the ruler rod through an adjusting mechanism, the adjusting mechanism comprises a connecting sleeve, and the connecting sleeve is sleeved on the ruler rod; the ruler rod is connected with the dial indicator through a connecting sleeve.
3. The device as claimed in claim 2, wherein the connecting sleeve comprises a connecting sleeve body, and the connecting sleeve body is sleeved on the ruler rod; the edge of the connecting sleeve body is provided with a longitudinal plate, and the dial indicator is connected with the connecting sleeve body through the longitudinal plate.
4. The device according to claim 3, wherein the vertical section of the ruler rod is rectangular; the vertical section of the connecting sleeve body is in a shape of Chinese character 'hui'.
5. The device according to claim 1, wherein the rod comprises a first transverse rod and a second transverse rod; the first transverse rod and the second transverse rod are connected through a transition inclined rod.
6. The device for detecting the eccentricity of the wheel tread of claim 1, wherein the positioning column is connected with a guide mechanism, and the guide mechanism comprises a positioning sleeve sleeved on the positioning column; and the positioning sleeve is provided with a guide ball.
7. The device as claimed in claim 6, wherein the positioning sleeve comprises a positioning sleeve body, and a transverse plate is disposed at an edge of the positioning sleeve body; the guide balls are arranged on the transverse plate.
8. The device as claimed in claim 7, wherein the guide balls are connected to the cross plate via a linkage rod; the linkage rod is connected with the transverse plate through threads; and a plurality of threaded holes for connecting the linkage rods are formed in the transverse plate.
9. The device for detecting the eccentricity of the tread of the wheel as claimed in claim 5, wherein the transition diagonal rod is connected with the first transverse rod or the second transverse rod through an adjusting linkage part; the adjusting linkage part comprises an arc-shaped groove arranged on the transition inclined rod; the transition inclined rod penetrates through the arc-shaped groove through a bolt to be connected with the first transverse rod or the second transverse rod; and a rotating pin for positioning the transition inclined rod and the first transverse rod or the second transverse rod is arranged at the circle center of the arc-shaped groove.
10. The device as claimed in claim 3, wherein the longitudinal plate is connected to the connecting sleeve by a clip.
CN202021403294.XU 2020-07-16 2020-07-16 Detection device for detecting eccentricity of wheel tread Active CN213067416U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021403294.XU CN213067416U (en) 2020-07-16 2020-07-16 Detection device for detecting eccentricity of wheel tread

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021403294.XU CN213067416U (en) 2020-07-16 2020-07-16 Detection device for detecting eccentricity of wheel tread

Publications (1)

Publication Number Publication Date
CN213067416U true CN213067416U (en) 2021-04-27

Family

ID=75575365

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021403294.XU Active CN213067416U (en) 2020-07-16 2020-07-16 Detection device for detecting eccentricity of wheel tread

Country Status (1)

Country Link
CN (1) CN213067416U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111928763A (en) * 2020-07-16 2020-11-13 宝武集团马钢轨交材料科技有限公司 Detection device for detecting eccentricity of wheel tread

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111928763A (en) * 2020-07-16 2020-11-13 宝武集团马钢轨交材料科技有限公司 Detection device for detecting eccentricity of wheel tread

Similar Documents

Publication Publication Date Title
CN101403600B (en) Synthetic inspection tester for shaft element
CN203550940U (en) Device for measuring span and elevation difference of traveling rails through laser
CN102506638A (en) Universal revolution measurement working table system and use method thereof
CN109781019A (en) A kind of rail gauge measuring apparatus and measurement method
CN213067416U (en) Detection device for detecting eccentricity of wheel tread
CN211121006U (en) Depth gauge for high-speed rail line engraving machine
CN103205936A (en) Device and method for accurately positioning spherical hinge
CN111928763B (en) Detection device for detecting eccentricity of wheel tread
CN113155001A (en) Flatness measuring device for building engineering construction
CN107436120B (en) Flexible gauge and method for detecting installation size of side end face of gauge baffle
CN112504062B (en) Device for measuring dislocation in and between rings of lining segment with high precision
CN108801122B (en) Use method of hemispherical valve sphere eccentricity measuring device
CN217981120U (en) Anchor tackle clamping piece hardness detects and uses frock
CN201795770U (en) Wheel rim deformation measurement device
CN206450168U (en) A kind of rotary support for the accurate measurement hole depth of parallelism
CN214843295U (en) Full-automatic distance calibration detection equipment
CN201575921U (en) Wheel universal turntable on automobile fault diagnosis test stand
CN207846114U (en) Train rail detecting system level calibration device
CN202522213U (en) High-speed rail measurement control point CPIII marking post detector
CN210242599U (en) Practical coal mine underground tunnel measuring device
CN114291123A (en) Double herringbone connecting rod adjusting steel rail center detection split trolley
CN210198377U (en) Road surface slope measuring device
CN207317728U (en) A kind of stable type talysurf
CN214584071U (en) Automobile steering angle test bed with straightening mechanism
CN207036027U (en) A kind of checking fixture for parallelism

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant