CN208072319U - Rail tread flaw detection trolley with tread cleaning mechanism - Google Patents
Rail tread flaw detection trolley with tread cleaning mechanism Download PDFInfo
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- CN208072319U CN208072319U CN201820485343.5U CN201820485343U CN208072319U CN 208072319 U CN208072319 U CN 208072319U CN 201820485343 U CN201820485343 U CN 201820485343U CN 208072319 U CN208072319 U CN 208072319U
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- cleaning mechanism
- connecting seat
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- seat
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Abstract
The utility model is related to steel rail flaw detection technology fields, a kind of rail tread flaw detection trolley with tread cleaning mechanism is disclosed, cleaning mechanism includes motor, shaft coupling and steel brush head, cleaning mechanism is installed on the front lower portion of trolley by regulating device, regulating device includes connecting shaft, connecting seat and locking mechanism, connecting seat is fixedly installed in the front lower portion of trolley, and positioned at the surface of rail tread, connecting shaft is fixedly installed in connecting seat, and it can be rotated around its own axis relative to connecting seat, cleaning mechanism is fixedly connected with connecting shaft front end, so that cleaning structure can be rotated with connecting shaft, retaining mechanism is installed between cleaning mechanism and connecting seat, retaining mechanism can realize being locked between cleaning mechanism and connecting seat, prevent cleaning structure from further being rotated relative to connecting seat.The steel brush head that cleaning mechanism lower end can conveniently be adjusted is rotated away from relative to rail head tread to side top, from the meaningless abrasion for avoiding steel brush head, improves its service life.
Description
Technical field
The utility model is related to steel rail flaw detection technology field, more particularly to a kind of rail tread with tread cleaning mechanism is visited
Hinder trolley.
Background technology
When rail head of rail tread is detected a flaw, easy to operate flaw detection trolley can be used, need that descaling machine is installed on flaw detection trolley
Structure, the tread to treat flaw detection carry out polishing cleaning, and still, the tread of not all rail to be detected a flaw is required for advanced
Row polishing cleaning, then detect a flaw, some rail treads can directly carry out flaw detection operation, without polishing, in this case, if
The steel brush head of cleaning mechanism lower end is still in contact condition with rail head tread, then can cause to accelerate the abrasion of steel brush head, reduce
Its service life；In addition, after steel brush head service wear, it is desirable to be able to compensation downwards is realized, subsequently to can continue to smoothly
It is contacted with rail head tread.
Utility model content
The goal of the invention of the utility model is：In view of the above problems, it provides a kind of with tread cleaning mechanism
Rail tread flaw detection trolley can conveniently adjust the steel brush of cleaning mechanism lower end when rail head tread is cleared up without polishing
Head is rotated away from relative to rail head tread to side top, from the meaningless abrasion for avoiding steel brush head, improves its service life,
Meanwhile after steel brush head service wear, it is convenient to adjust it and compensate downwards.
The technical solution adopted in the utility model is such：Rail tread flaw detection trolley with tread cleaning mechanism, clearly
It includes motor, shaft coupling and steel brush head to manage mechanism, and the cleaning mechanism is installed on by regulating device under the front end of the trolley
Portion, the regulating device include connecting shaft, connecting seat and locking mechanism, and the connecting seat is fixedly installed in the front end of the trolley
Lower part and the surface for being located at the rail tread, the connecting shaft are fixedly installed in the connecting seat and can be relative to institutes
It states connecting seat to rotate around its own axis, the cleaning mechanism is fixedly connected with the connecting shaft front end so that the cleaning knot
Structure can be rotated with the connecting shaft, and the retaining mechanism, the locking are equipped between the cleaning mechanism and the connecting seat
Mechanism can realize being locked between the cleaning mechanism and the connecting seat, prevent the cleaning structure further relative to
The connecting seat rotation.
Rail tread flaw detection trolley described in the utility model with tread cleaning mechanism, the retaining mechanism include rotation
Seat and check lock lever, the rotation seat include upper wall, antetheca and left and right sides wall, and a mounting groove, the company are formed between each wall
The front end of joint chair extends into the mounting groove, and the antetheca of the rotation seat is fixedly connected with the connecting shaft front end, described turn
Dynamic seat can be rotated with the connecting shaft, and the cleaning mechanism is fixedly connected with the antetheca, and through-hole, institute are offered on the side wall
Check lock lever to be stated across the through-hole and is extended into the mounting groove, the side and bottom surface of the connecting seat all have locking hole,
One end of the check lock lever can be injected in the locking hole, realize that the locking between the cleaning structure and the connecting seat is solid
It is fixed.
Rail tread flaw detection trolley described in the utility model with tread cleaning mechanism, the retaining mechanism further include pressure
Spring and pole socket, the check lock lever and compression spring are mounted in the mounting hole of the pole socket, and the pole socket is fixedly installed in the side
On wall, there is baffle, the baffle to be adapted with the mounting hole, the both ends of the compression spring hold out against institute respectively on the check lock lever
State baffle and mounting hole bottom surface.
Compression spring can guarantee that one end of check lock lever can be reliablely and stablely seated in locking hole, prevent cleaning mechanism from surprisingly turning
It is dynamic, when needing to rotate cleaning mechanism, check lock lever only need to be pulled out, check lock lever is made to leave locking hole, you can rotation descaling machine
Structure, when the one end for turning to check lock lever is directed at the locking hole of bottom surface, you can release check lock lever so that check lock lever one end, which is injected, to be connected
In the locking hole of joint chair bottom surface, cleaning mechanism unintentional rotation is prevented, steel brush head is to leave rail head of rail tread at this time.
Rail tread flaw detection trolley described in the utility model with tread cleaning mechanism, the connecting shaft are pacified by bearing
Loaded in the connecting seat, the front end fixing sleeve of the connecting shaft is equipped with baffle ring, and the baffle ring rear end face is held out against in the bearing
Circle, the front end of the connecting shaft passes through the antetheca of the rotation seat, and its nose threads is connected with nut, and the antetheca is pressed on
Between the nut and baffle ring, being fixedly connected for the rotation seat and the connecting shaft is realized.
By the press fitting of nut and baffle ring, realize rotation seat and connecting shaft is detachably fixed connection, be convenient for changing or
Person's subsequent maintenance.
Rail tread flaw detection trolley described in the utility model with tread cleaning mechanism, the regulating device further include peace
The adjusting ear to frame up with strap bolt bar, the installing frame include two blocks of side plates of left and right sides, and the installing frame is fixedly installed in described
The front lower portion of trolley, between the rear end of the connecting seat is installed on the both side plate of left and right sides by a rotation axis, the connection
The side of base rear end offers threaded hole, and arc kidney slot, the spiral shell for adjusting ear are offered on the side plate of the installing frame
Tightening latch passes through the arc kidney slot and is screwed into the threaded hole, and the adjusting ear can be adjacent to the side plate, and realization prevents institute
It states connecting seat to rotate relative to the installing frame, the connecting seat can be in the arc kidney slot footprint relative to described
Installing frame rotates.
The setting of the adjusting ear, threaded hole and arc kidney slot of strap bolt bar so that connecting seat can be fixed with installing frame
Locking, and can rotate and adjust relative to installing frame in arc kidney slot footprint, tune is compensated downwards to meet steel brush head
Section.
Rail tread flaw detection trolley described in the utility model with tread cleaning mechanism, further includes adjustment seat, the tune
Section seat is fixedly installed in the front lower portion of the trolley, and the adjustment seat includes two pieces of left and right sides lateral mass, described two pieces of sides
Plate upper end extends between two pieces of lateral mass, and the side plate rear end offers pilot hole, and the lateral mass rear end offers logical
Hole, a guiding axis pass through the pilot hole and through-hole, the adjustment seat that can axially be moved along the guiding axis between two lateral mass
Dynamic, the two lateral mass front ends also offer through-hole, correspondingly, threaded hole, an adjusting are offered on the both side plate
Bar passes through the through-hole and threaded hole, has stage portion and spacing ring, the stage portion and the spacing ring on the adjusting rod
It is located at the outside of both sides lateral mass, the outer diameter of the limiting section and stage portion is all higher than the through-hole diameter, the adjusting rod
It is upper that there is external screw thread, and realize screw-thread fit with the threaded hole.
The setting of guiding axis, pilot hole, adjusting rod, spacing ring, stage portion and threaded hole, realizes and is adjusted by adjusting rod
Installing frame is mobile in the lateral direction to be adjusted, and then realizes mobile tune of the cleaning mechanism on rail head of rail tread left and right directions
Section, left and right adjusting range can cover the entire width range of rail head of rail tread, meanwhile, also accommodate different in width rail head tread
Cleaning work.
Rail tread flaw detection trolley described in the utility model with tread cleaning mechanism, the outer round surface of the stage portion
Also there is external screw thread, and be threaded with locking swivel nut, the locking swivel nut can hold out against the end face of the lateral mass.
After the completion of adjusting rod is adjusted, locking swivel nut can realize the locking between adjusting rod and adjustment seat, prevent adjusting rod
Unintentional rotation.
Rail tread flaw detection trolley described in the utility model with tread cleaning mechanism, the front end and bottom end of the trolley
It is mounted on headlamp, top is equipped with battery case, and the battery in battery case can be that headlamp and motor are powered.
The setting of headlamp facilitates night flaw detection operation, and the headlamp of front end can be real to the road conditions and rail head tread in front
Now illuminating, the headlamp of bottom end can realize the illumination to trolley bottom structure, when needed, the convenient probe position to small car bottom
It sets and is adjusted.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：In rail head of rail tread
When being cleared up without polishing, the steel brush head that can conveniently adjust cleaning mechanism lower end is rotated relative to rail head tread to side top
It leaves, from the meaningless abrasion for avoiding steel brush head, improves its service life, meanwhile, after steel brush head service wear, it can facilitate
Ground adjusts it and compensates downwards.
Description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is that cleaning mechanism passes through the scheme of installation of regulating device and installation crossbeam in the utility model；
Fig. 3 is the decomposition diagram of cleaning mechanism and regulating device in the utility model；
Fig. 4 is enlarged drawing at A in Fig. 3；
Fig. 5 is the structural schematic diagram of connecting seat in the utility model；
Fig. 6 is the cooperation schematic diagram of check lock lever and pole socket in the utility model；
Fig. 7 is the structural schematic diagram of another angle of the utility model.
It is marked in figure：1 is trolley, and 2 be flaw detection guide wheel, and 3 be probe holder, and 4 be tread, and 5 be motor, and 6 be shaft coupling, and 7 are
Steel brush head, 8 be connecting shaft, and 9 be connecting seat, and 10 be rotation seat, and 10-1 is upper wall, and 10-2 is antetheca, and 10-3 is side wall, and 10-4 is
Mounting groove, 11 be check lock lever, and 11-1 is baffle, and 12 be locking hole, and 13 be pole socket, and 13-1 is mounting hole, and 14 be bearing, and 15 be gear
Ring, 16 be nut, and 17 be installing frame, and 17-1 is side plate, and 17-2 is transverse slat, and 18 is adjust ear, and 19 be rotation axis, and 20 be curved waist
Shape hole, 21 be adjustment seat, and 21-1 is lateral mass, and 22 be pilot hole, and 23 be guiding axis, and 24 be threaded hole, and 25 be adjusting rod, and 25-1 is
Stage portion, 25-2 are spacing ring, and 26 be locking swivel nut, and 27 be headlamp, and 28 be battery case, and 29 be mounting base, and 30 is horizontal for installation
Beam.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Fig. 1 to 7, there is flaw detection to lead for 4 flaw detection trolley 1 of rail tread with 4 cleaning mechanism of tread, 1 bottom of trolley
Wheel 2 and probe holder 3, guide wheel 2 of detecting a flaw for walking on rail head tread 4, for installing flaw detection pop one's head in by probe holder 3, before trolley 1
End and bottom end are mounted on headlamp 27, and top is equipped with battery case 28, and cleaning mechanism includes motor 5, shaft coupling 6 and steel brush
First 7, the battery in battery case 28 can be that headlamp 27 and motor 5 are powered, and cleaning mechanism be installed on trolley 1 by regulating device
Front lower portion, regulating device include connecting shaft 8, connecting seat 9 and locking mechanism, and connecting seat 9 is fixedly installed under the front end of trolley 1
Portion and surface positioned at rail tread 4, connecting shaft 8 be fixedly installed in connecting seat 9 and can relative to connecting seat 9 around its from
Body axis rotate, and cleaning mechanism is fixedly connected with 8 front end of connecting shaft so that cleaning structure can be rotated with connecting shaft 8, cleaning mechanism
Retaining mechanism is installed between connecting seat 9, retaining mechanism can realize being locked between cleaning mechanism and connecting seat 9, prevent
Only cleaning structure is further rotated relative to connecting seat 9.
Retaining mechanism includes rotation seat 10 and check lock lever 11, and rotation seat 10 includes upper wall 10-1, antetheca 10-2 and left and right two
Side wall 10-3, forms a mounting groove 10-4 between each wall, and the output shaft of motor 5 passes through shaft coupling 6 and connects steel brush head 7, motor 5
It is fixedly connected with the end faces antetheca 10-2 by mounting base 29, the front end of connecting seat 9 extends into mounting groove 10-4, rotation seat 10
Antetheca 10-2 is fixedly connected with 8 front end of connecting shaft, and rotation seat 10 can be rotated with connecting shaft 8, and cleaning mechanism is fixed with antetheca 10-2
It connects, through-hole is offered on side wall 10-3, check lock lever 11 passes through through-hole and extends into mounting groove 10-4, the side of connecting seat 9
Locking hole 12 is all had with bottom surface, one end of check lock lever 11 can be injected in locking hole 12, realize between cleaning structure and connecting seat 9
Be locked, further, retaining mechanism further includes compression spring（It is not shown in figure）With pole socket 13, check lock lever 11 and compression spring are pacified
In mounting hole 13-1 loaded on pole socket 13, and compression spring sleeve, on check lock lever 11, pole socket 13 is fixedly installed on side wall 10-3, lock
There is baffle 11-1, baffle 11-1 to be located on tight bar 11 in mounting hole 13-1 and be adapted with mounting hole 13-1, the both ends of compression spring
Baffle 11-1 and the bottom surfaces mounting hole 13-1 are held out against respectively.Specifically, connecting shaft 8 is installed on by bearing 14 in connecting seat 9, connection
The front end fixing sleeve of axis 8 is equipped with baffle ring 15, and 15 rear end face of baffle ring holds out against 14 inner ring of bearing, and the front end of connecting shaft 8 passes through rotation seat
10 antetheca 10-2, and its nose threads is connected with nut 16, antetheca 10-2 is pressed between nut 16 and baffle ring 15, is realized and is turned
Dynamic seat 10 is fixedly connected with connecting shaft 8.
Further, regulating device further includes installing frame 17, the adjusting ear 18 of strap bolt bar and adjustment seat 21, installing frame 17
Including two pieces of side plate 17-1 of left and right sides, both side plate 17-1 is fixedly connected as an entirety, installing frame by intermediate transverse slat 17-2
17 are fixedly installed in the front lower portion of trolley 1, and the rear end of connecting seat 9 is installed on the both side plate of left and right sides by a rotation axis 19
Between 17-1, the side of 9 rear end of connecting seat offers threaded hole, and arc kidney slot is offered on the side plate 17-1 of installing frame 17
20, the shank of bolt for adjusting ear 18 passes through arc kidney slot 20 and is screwed into threaded hole, and side plate 17-1 can be adjacent to by adjusting ear 18, be realized
Prevent connecting seat 9 from being rotated relative to installing frame 17, connecting seat 9 can be in 20 footprint of arc kidney slot relative to installing frame 17
Rotation, connecting seat 9 realize that the rotation relative to installing frame 17,1 front lower portion of trolley have installation crossbeam 30 by rotation axis 19,
Adjustment seat 21 is fixedly installed on installation crossbeam 30, and adjustment seat 21 is fixedly installed in the front lower portion of trolley 1, and adjustment seat 21 includes
Two pieces of left and right sides lateral mass, two pieces of lateral mass extending into of two pieces of upper ends side plate 17-1 between, the rear ends side plate 17-1, which offer, leads
To hole 22, lateral mass rear end offers through-hole, and a guiding axis 23 passes through pilot hole 22 and through-hole, adjustment seat 21 can two lateral mass it
Between along guiding axis 23 move axially, the front end of two lateral mass also offers through-hole, correspondingly, screw thread is offered on both side plate 17-1
Hole 24, an adjusting rod 25 pass through through-hole and threaded hole 24, have stage portion and spacing ring, stage portion and limit on adjusting rod 25
Ring is located at the outside of both sides lateral mass, and the outer diameter of limiting section and stage portion is all higher than through-hole diameter, has on adjusting rod 25 outer
Screw thread, and realize screw-thread fit with threaded hole 24, meanwhile, the outer round surface of stage portion also has external screw thread, and is threaded with
Locking swivel nut 26, locking swivel nut 26 can hold out against the end face of lateral mass.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (8)
1. the rail tread flaw detection trolley with tread cleaning mechanism, cleaning mechanism include motor（5）, shaft coupling（6）With steel brush head
（7）, it is characterised in that：The cleaning mechanism is installed on the trolley by regulating device（1）Front lower portion, adjusting dress
It sets including connecting shaft（8）, connecting seat（9）And retaining mechanism, the connecting seat（9）It is fixedly installed in the trolley（1）Front end
Lower part and be located at the rail tread（4）Surface, the connecting shaft（8）It is fixedly installed in the connecting seat（9）It is interior and
It can be relative to the connecting seat（9）It is rotated around its own axis, the cleaning mechanism and the connecting shaft（8）Front end, which is fixed, to be connected
It connects so that the cleaning mechanism can be with the connecting shaft（8）Rotation, the cleaning mechanism and the connecting seat（9）Between install
There are the retaining mechanism, the retaining mechanism that can realize the cleaning mechanism and the connecting seat（9）Between be locked, prevent
Only the cleaning mechanism is further relative to the connecting seat（9）Rotation.
2. the rail tread flaw detection trolley according to claim 1 with tread cleaning mechanism, it is characterised in that：The locking
Mechanism includes rotation seat（10）And check lock lever（11）, the rotation seat（10）Including upper wall（10-1）, antetheca（10-2）The left and right and
Two side（10-3）, a mounting groove is formed between each wall（10-4）, the connecting seat（9）Front end extend into the mounting groove
（10-4）It is interior, the rotation seat（10）Antetheca（10-2）With the connecting shaft（8）Front end is fixedly connected, the rotation seat（10）
It can be with the connecting shaft（8）Rotation, the cleaning mechanism and the antetheca（10-2）It is fixedly connected, the side wall（10-3）On open
Equipped with through-hole, the check lock lever（11）Across the through-hole and extend into the mounting groove（10-4）It is interior, the connecting seat（9）'s
Side and bottom surface all have locking hole（12）, the check lock lever（11）One end can inject the locking hole（12）It is interior, realize institute
State cleaning mechanism and the connecting seat（9）Between be locked.
3. the rail tread flaw detection trolley according to claim 2 with tread cleaning mechanism, it is characterised in that：The locking
Mechanism further includes compression spring and pole socket（13）, the check lock lever（11）It is mounted on the pole socket with compression spring（13）Mounting hole（13-
1）It is interior, the pole socket（13）It is fixedly installed in the side wall（10-3）On, the check lock lever（11）It is upper that there is baffle（11-1）, institute
State baffle（11-1）With the mounting hole（13-1）It is adapted, the both ends of the compression spring hold out against the baffle respectively（11-1）And peace
Fill hole（13-1）Bottom surface.
4. the rail tread flaw detection trolley according to claim 3 with tread cleaning mechanism, it is characterised in that：The connection
Axis（8）Pass through bearing（14）It is installed on the connecting seat（9）It is interior, the connecting shaft（8）Front end fixing sleeve be equipped with baffle ring（15）,
The baffle ring（15）Rear end face holds out against the bearing（14）Inner ring, the connecting shaft（8）Front end pass through the rotation seat（10）
Antetheca（10-2）, and its nose threads is connected with nut（16）, the antetheca（10-2）It is pressed on the nut（16）With gear
Ring（15）Between, realize the rotation seat（10）With the connecting shaft（8）Be fixedly connected.
5. the rail tread flaw detection trolley according to claim 4 with tread cleaning mechanism, it is characterised in that：The adjusting
Device further includes installing frame（17）With the adjusting ear of strap bolt bar（18）, the installing frame（17）Including two blocks of side plates of left and right sides
（17-1）, the installing frame（17）It is fixedly installed in the trolley（1）Front lower portion, the connecting seat（9）Rear end pass through
One rotation axis（19）It is installed on the both side plate of left and right sides（17-1）Between, the connecting seat（9）The side of rear end offers screw thread
Hole, the installing frame（17）Side plate（17-1）On offer arc kidney slot（20）, the adjusting ear（18）Shank of bolt
Across the arc kidney slot（20）And it is screwed into the threaded hole, the adjusting ear（18）The side plate can be adjacent to（17-1）,
Realization prevents the connecting seat（9）Relative to the installing frame（17）Rotation, the connecting seat（9）It can be in the arc kidney slot
（20）Relative to the installing frame in footprint（17）Rotation.
6. the rail tread flaw detection trolley according to claim 5 with tread cleaning mechanism, it is characterised in that：Further include adjusting
Save seat（21）, the adjustment seat（21）It is fixedly installed in the trolley（1）Front lower portion, the adjustment seat（21）Including left and right
Two pieces of both sides lateral mass, described two blocks of side plates（17-1）Upper end extends between two pieces of lateral mass, the side plate（17-1）
Rear end offers pilot hole（22）, the lateral mass rear end offers through-hole, a guiding axis（23）Across the pilot hole（22）
And through-hole, the adjustment seat（21）It can be between two lateral mass along the guiding axis（23）Axial movement, the two lateral mass front ends
Also through-hole is offered, correspondingly, the both side plate（17-1）On offer threaded hole（24）, an adjusting rod（25）It passes through
The through-hole and threaded hole（24）, the adjusting rod（25）It is upper that there is stage portion and spacing ring, the stage portion and the limit
Ring is located at the outside of both sides lateral mass, and the outer diameter of the spacing ring and stage portion is all higher than the through-hole diameter, the adjusting
Bar（25）Upper have an external screw thread, and with the threaded hole（24）Realize screw-thread fit.
7. the rail tread flaw detection trolley according to claim 6 with tread cleaning mechanism, it is characterised in that：The step
The outer round surface in portion also has external screw thread, and is threaded with locking swivel nut（26）, the locking swivel nut（26）It can hold out against described
The end face of lateral mass.
8. the rail tread flaw detection trolley according to claim 7 with tread cleaning mechanism, it is characterised in that：The trolley
（1）Front end and bottom end be mounted on headlamp（27）, top is equipped with battery case（28）, battery case（28）Interior battery can
For headlamp（27）And motor（5）Power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485343.5U CN208072319U (en) | 2018-04-08 | 2018-04-08 | Rail tread flaw detection trolley with tread cleaning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485343.5U CN208072319U (en) | 2018-04-08 | 2018-04-08 | Rail tread flaw detection trolley with tread cleaning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208072319U true CN208072319U (en) | 2018-11-09 |
Family
ID=64043984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820485343.5U Active CN208072319U (en) | 2018-04-08 | 2018-04-08 | Rail tread flaw detection trolley with tread cleaning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208072319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590857A (en) * | 2020-12-23 | 2021-04-02 | 陈佳辉 | Rail flaw detection device capable of realizing uninterrupted detection |
-
2018
- 2018-04-08 CN CN201820485343.5U patent/CN208072319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590857A (en) * | 2020-12-23 | 2021-04-02 | 陈佳辉 | Rail flaw detection device capable of realizing uninterrupted detection |
| CN112590857B (en) * | 2020-12-23 | 2022-04-15 | 山东鲁道建设工程有限公司 | Rail flaw detection device capable of realizing uninterrupted detection |
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