CN105887592B - A kind of rail checking instrument verification table - Google Patents
A kind of rail checking instrument verification table Download PDFInfo
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- CN105887592B CN105887592B CN201610267452.5A CN201610267452A CN105887592B CN 105887592 B CN105887592 B CN 105887592B CN 201610267452 A CN201610267452 A CN 201610267452A CN 105887592 B CN105887592 B CN 105887592B
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- bottom base
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
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Abstract
The present invention provides a kind of rail checking instrument verification table, including upper bed-plate, lower bottom base, support feet, lowering or hoisting gear, positive two side of the lower bottom base is provided with rotating shaft A and rotating shaft B, the side of bottom surface two is provided with rotating shaft C, rotating shaft C is located at the middle part of rotating shaft A and rotating shaft B lines, upper bed-plate is movably arranged on lower bottom base by rotating shaft A, lowering or hoisting gear is movably arranged on lower bottom base by rotating shaft B and rotating shaft C and is in contact with the bottom surface of upper bed-plate, support feet is uniformly on the bottom surface of lower bottom base, error can effectively be reduced, it is easy to operate, reach the class precision grade of professional standard I, meet the demand of zero level accuracy class rail checking instrument calibrating.
Description
Technical field
The invention belongs to Railway Measurement fixture fields, and in particular to a kind of rail checking instrument verification table.
Background technology
Railroad track needs periodically to carry out Maintenance and Repair, between the rail that railroad track is generally detected using rail checking instrument
Away from data such as, superelevation values.Need to carry out initially it by verification table before detecting circuit geometry state using rail checking instrument
Change and examine and determine.At present, the lowering or hoisting gear of existing rail checking instrument upper bed-plate is single screw rod and top single-contact, easily causes work
The uneven situation of dynamic Chang Liang two ends wicking height, does not reach I class precision as defined in professional standard, and superelevation indicating value is read by digital display scale
Take, its operating method is complicated, the data such as height, direction and superelevation of measurement have larger error, and because of cross beam movement
It is not parallel, the gauge detected is also often had error；Lifting armrest plate needs the handle that manpower is gone to pull on screw rod, is raised to
Highest calibrating height is time-consuming longer；Because and non-configuration protection device and be difficult to avoid that when elevating mechanism is damaged superelevation examine and determine unit
Freely decline caused by potential safety hazard.
The content of the invention
In order to solve the above problems, the present invention provides a kind of rail checking instrument verification table, can effectively reduce error, operates
It is convenient, the class precision grade of professional standard I is reached, the demand of zero level accuracy class rail checking instrument calibrating is met.
A kind of rail checking instrument verification table of the present invention is achieved through the following technical solutions：
A kind of rail checking instrument verification table, including upper bed-plate, lower bottom base, support feet, lowering or hoisting gear, the lower bottom base is just
The side of face two is provided with rotating shaft A and rotating shaft B, and the side of bottom surface two is provided with rotating shaft C, and rotating shaft C is located at rotating shaft A and rotating shaft B lines
Middle part, upper bed-plate is movably arranged on lower bottom base by rotating shaft A, and lowering or hoisting gear is movably arranged on bottom by rotating shaft B and rotating shaft C
It is in contact on seat and with the bottom surface of upper bed-plate, support feet is uniformly on the bottom surface of lower bottom base.
The lowering or hoisting gear includes lifting drive, lifting slave unit, lifting limited device A, lifting limited device B
And lifting protector, lifting drive is T-shaped structure, and the cross bar of lifting drive is arranged on lower bottom base by rotating shaft C
On, lifting slave unit be rectangular configuration, lift slave unit sheer pole by rotating shaft B be arranged on lower bottom base on, lifting from
The bottom connection of the two ends setting bearing of the cross tube of dynamic device, bearing and upper bed-plate is touched, and is vertically arranged in the middle part of lifting slave unit
Driver plate is installed, and driver plate, perpendicular to the horizontal plane of lifting slave unit, the montant of lifting drive connects driver plate,
The end of the montant of lifting drive is provided with lifting limited device A, in the cross tube and driver plate of lifting slave unit
Junction sets lifting protector and lifting limited device B.
The lifting protector is made up of train wheel bridge device, lower free bearing, strut and bolt device, and strut is bar cylinder
Structure and side offers and dead bolt and frame electromagnet are provided with rack, bolt device, frame electromagnet is connected with dead bolt,
Dead bolt locks together with rack, and train wheel bridge device connection strut, lower free bearing is arranged on the both sides of bolt device, and train wheel bridge device is fixed
On lifting slave unit, lower free bearing is fixed on lower bottom base.
The upper bed-plate is H-shaped structure, and the side of upper bed-plate sets fixed long beam, the long beam of opposite side setting activity, activity
Long beam is arranged on upper bed-plate by longeron translating device.
2 longeron fixing devices are set on the upper bed-plate, positioned at fixed long beam and movable long beam inner side, and closed to be parallel
System, for locking split type rail inspection instrument longeron, effectively makes split type rail inspection instrument fix not making its longeron when rail is examined and determine to, height
Run-off the straight.
Data acquisition device fixing device is provided with the middle part of the upper bed-plate, is set in the both sides of data acquisition device fixing device
It is equipped with level meter.
The data acquisition device fixing device cross section is L-shaped structure, the vertical plane and water of data acquisition device fixing device
Plane is provided with fixing device.
The upper bed-plate, which is located on the bottom surface of movable long beam, is provided with cushion block, and cushion block is arranged on upper bed-plate by shaft seat
Bottom surface, is to be flexibly connected between cushion block and shaft seat.
Being provided with below the front cushion block of the lower bottom base is used for the block for placing different size on slip gauge platform, slip gauge platform
Rule.
The side of the lower bottom base is additionally provided with control box, and control box is connected with lowering or hoisting gear, is risen for opening and controlling
Falling unit ascending, descending is operated.
The device have the advantages that：
1st, electrical control gear control lowering or hoisting gear, lifting upper bed-plate only need to be by the lifting button in control box, two
Weight short-circuit protection, the next key of emergency is shut down；Spacing unit protection up and down, it is to avoid motor continuous running damages mechanical structure；
Decline protection, it is to avoid because the fortuitous events such as motor failure, structural failure cause upper bed-plate freely falling body, caused by personnel injure, save
Shi Shengli.
2nd, lowering or hoisting gear controls the depth of parallelism of two rotating shafts, that is, controls coplanar at the top of four bearing outer rings, it is ensured that it is in fortune
When dynamic, it is pressed in verification table stable movement thereon and four diagonally is not likely to produce flexible deformation, it is total and ensure that two long back portions are common
Face property.
3rd, lifting protector：As when there is fortuitous event, such as power-off causes lowering or hoisting gear to fail（Fortuitous event has example
Such as：The bearing block for installing lowering or hoisting gear is come off, and mechanical structure is damaged etc.）, so that upper bed-plate is because Action of Gravity Field declines and oppresses liter
Falling unit declines, and now plane can be stuck in the plane of strut tooth on dead bolt, and hold whole mechanism.When lowering or hoisting gear active
During descending motion, frame electromagnet can hold dead bolt, be allowed to exit strut rack, and harm will not be caused to normal descending motion
Hinder.
4th, movable long beam is by longeron translating device accurate movement, to ensure being remained with fixed long beam for movable long beam
Parallel relation, the error for being allowed to measure gauge is reduced.
5th, data acquisition device fixing device cross section is L-shaped structure, data acquisition device not only can level fix can be with
It is vertical fixed, the state of different angle-data vasculums can be simulated.
6th, movable cushion block bottom surface all the time with ground keeping parallelism, the slip gauge of direction, height, superelevation is put into slip gauge platform, block
It is measurable superelevation, direction and high low value error information between rule and movable cushion block.
Brief description of the drawings
Below in conjunction with the embodiment of accompanying drawing illustrated embodiment, the above to the present invention remakes further in detail
Describe in detail bright.
Fig. 1 is left view of the invention.
Fig. 2 is top view of the invention.
Fig. 3 is stereogram of the invention.
Fig. 4 is the structural representation figure of the lowering or hoisting gear of the present invention.
Fig. 5 is the structural representation of the lifting protector of the present invention.
Fig. 6 is the schematic cross-section of the lifting protector of the present invention.
Fig. 7 is the structural representation of cushion block of the present invention and slip gauge platform.
Marked in figure：1 is upper bed-plate, and 2 be lower bottom base, and 3 be support feet, and 4 be lowering or hoisting gear, and 5 be fixed long beam, and 6 be work
Long beam is moved, 7 be longeron translating device, and 8 be control box, and 9 be data acquisition device fixing device, and 41 be lifting drive, and 42 are
Slave unit is lifted, 43 be driver plate, and 44 be lifting protector, and 45 be lifting limited device A, and 46 be lifting limited device B,
80 be longeron fixing device A, and 81 be longeron fixing device B, and 411 be cross bar, and 412 be montant, and 421 be sheer pole, and 422 be upper horizontal stroke
Bar, 423 be bearing, and 101 be rotating shaft A, 102 rotating shaft B, 103 rotating shaft Cs, and 104 be shaft seat, and 105 be cushion block, and 106 be slip gauge platform,
300 be slip gauge, and 201 be level meter, and 441 be train wheel bridge device, and 442 be lower free bearing, and 443 be strut, and 444 be bolt device,
4441 be dead bolt, and 4431 be rack, and 4442 be frame electromagnet.
Embodiment
The rail checking instrument verification table that the present invention is provided is used for the inspection that rail checking instrument does gauge, superelevation, direction and height
Determine and can simulate the situation that rail inspection instrument is walked in circuit, lowering or hoisting gear is controlled, it is necessary to when lifting upper bed-plate by circuit, it is only necessary to
By the lifting button in control box, and it is additionally provided with lowering or hoisting gear lifting protector and the upper spacing dress in bottom
Put, lifting protector can effectively prevent the occurrence of upper bed-plate glides unstable, and pass through upper the next stopping means
Limit lifting height, prevent because the excessive mistake of ascending, descending and caused by damage；The long beam of activity is moved by longeron translating device, with
The long beam of guarantee activity with fixed long beam remains parallel relation；Data acquisition device fixing device not only can level consolidate
Surely it can also vertically fix, the state of different angle-data vasculums can be simulated；And the horizontal water of setting on upper bed-plate
Level and vertical equity instrument, the convenient position relationship for reconciling upper bed-plate；The slip gauge of direction, height, superelevation is put into slip gauge platform, block
It is measurable superelevation, direction and high low value error information between rule and movable cushion block；The present invention also has calibrating rail checking instrument
When easy to operate, the characteristics of calibration accuracy is high.
As Figure 1-3, a kind of rail checking instrument verification table includes upper bed-plate 1, lower bottom base 2, support feet 3, lowering or hoisting gear
4, positive two side of the lower bottom base 2 is provided with rotating shaft A101 and rotating shaft B102, and the side of bottom surface two is provided with rotating shaft C 103, turns
Axle C103 is located at the middle part of rotating shaft A101 and rotating shaft B102 lines, and upper bed-plate 1 is movably arranged on lower bottom base 2 by rotating shaft A101
On, lowering or hoisting gear 4 is movably arranged on lower bottom base 2 by rotating shaft B102 and rotating shaft C 103 and is in contact with the bottom surface of upper bed-plate 1,
Support feet 3 is uniformly on the bottom surface of lower bottom base 2.
As shown in figure 4, the lowering or hoisting gear 4 includes lifting drive 41, lifting slave unit 42, rises lifting protection dress
44, drop stopping means A45 and lifting limited device B46 is put, lifting drive 41 is T-shaped structure, lifting drive 41
Cross bar 411 is arranged on lower bottom base 2 by rotating shaft C 103, and lifting slave unit 42 is rectangular configuration, lifting slave unit 42
Sheer pole 421 is arranged on lower bottom base 2 by rotating shaft B102, and the two ends for lifting the cross tube 422 of slave unit 42 set bearing
423, the bottom connection of bearing 423 and upper bed-plate 1 is touched, and the middle part of lifting slave unit 42, which is vertically arranged, is provided with driver plate 43, and transmission
Plate 43 is perpendicular to the horizontal plane of lifting slave unit 42, the connection driver plate 43 of montant 412 of lifting drive 41, lifting driving
The end of the montant 412 of device 41 is provided with lifting limited device A45, in cross tube 422 and the transmission of lifting slave unit 42
The intersection of plate 43 sets lifting protector 44 and lifting limited device B46.
Lifting is acted：The push rod of lifting drive 41 stretch out, by driver plate 43 driving lifting slave unit 42, lifting from
B102 is rotated dynamic device 42 in the counterclockwise direction around the shaft, and lifting protector 44 follows lifting slave unit 42 to rise, and can
Prevent that circuit, mechanical structure are abnormal, the unexpected decline caused of failing；As lifting limited device A45（Upper limit）Contact and bottom
When seat 2 is contacted, extreme higher position is reached, can not be maintained by circuit limitation again toward rising in this position.
Down maneuver：The pusher retracted of lifting drive 41, by driver plate 43 driving lifting slave unit 42, lifting from
B102 is rotated in the clockwise direction dynamic device 42 around the shaft, and lifting protector 44 follows lifting slave unit 42 to decline；Work as liter
Stopping means B46 drops（Lower limit）When contact is contacted with lower bottom base 2, extreme lower position is reached, can not again down by circuit limitation
Drop, is maintained in this position.
As it can be seen in figures 5 and 6, the lifting protector 44 is by train wheel bridge device 441, lower free bearing 442, the and of strut 443
Bolt device 444 is constituted, and strut 443 is bar cylindrical structure and side offers in rack 4431, bolt device 444 and is provided with lock
Tongue 4441 and frame electromagnet 4442, frame electromagnet 4442 are connected with dead bolt 4441, and dead bolt 4441 is mutually locked with rack 4431
Close, the connection strut 443 of train wheel bridge device 441, lower free bearing 442 is arranged on the both sides of bolt device 444, and train wheel bridge device 441 is consolidated
It is scheduled on lowering or hoisting gear 4, lower free bearing 442 is fixed on lower bottom base 2, when lowering or hoisting gear 4 makees lifting motion, because dead bolt 4441 is oblique
Down, the upward athletic meeting of strut 443 drives dead bolt ejection rack to drop back into rack again and constantly reciprocal, works as fortuitous event, such as
Power-off etc. causes lowering or hoisting gear 4 is failed or mechanical structure is damaged etc., so that upper bed-plate 1 is because Action of Gravity Field declines and oppresses lifting
Device 4 declines, and now plane can be stuck in the plane of the upper rack 4431 of strut 443 on dead bolt 4441, and hold whole mechanism；When
During the descending motion of the active of lowering or hoisting gear 4, the frame electromagnet 4442 in bolt device 444 can hold dead bolt 4441, be allowed to move back
Go out strut rack, normal descending motion will not be counteracted.
As shown in Fig. 2 the upper bed-plate 1 is H-shaped structure, the side of upper bed-plate 1 sets fixed long beam 5, and opposite side is set
The long beam 6 of activity, movable long beam 6 is arranged on upper bed-plate 1 by longeron translating device 7, sets 2 longerons to fix on upper bed-plate 1
Device, is longeron fixing device A80 and longeron fixing device B81 respectively, positioned at fixed long beam and movable long beam inner side, and is flat
Row relation, for locking split type rail inspection instrument longeron, effectively makes split type rail inspection instrument consolidate making its longeron when rail is examined and determine to, height
Fixed not run-off the straight, by longeron translating device 7 can the long beam 6 of simple operations activity movement, and keep making movable long beam 6 with
The parallel relation of fixed long beam 5, can be examined and determine by mobile movable long beam 6 and be fixed on longeron fixing device A80 and longeron is fixed
The gauge of longeron on device B81.
The middle part of the upper bed-plate 1 is provided with integral type rail inspection instrument data acquisition device fixing device 9, solid in data acquisition device
The both sides for determining device 9 are provided with level meter 201, and the level meter of side is lateral level, and the level meter of opposite side is longitudinal water
Level, can be with used observation level meter operation upper bed-plate, simple in construction, simple operation.
The cross section of data acquisition device fixing device 9 be L-shaped structure, the vertical plane of data acquisition device fixing device 9 and
Horizontal plane is provided with fixing device, can fix data acquisition device level and examine and determine, can also be solid vertically by data acquisition device
It is set for calibrating.
As shown in fig. 7, the upper bed-plate 1, which is located on the bottom surface of movable long beam 6, is provided with cushion block 105, cushion block 105 is by turning
Axle bed 104 is arranged on the bottom surface of upper bed-plate 1, to be flexibly connected between cushion block 105 and shaft seat 104, by the effect of gravity, makes
The bottom surface system of cushion block all the time with ground keeping parallelism relation.The front and the lower section of cushion block 105 of the lower bottom base 2 are provided with block
Platform 106 is advised, the slip gauge 300 of direction, height, superelevation is put into slip gauge platform 106, can be surveyed between slip gauge 300 and movable cushion block 105
Measure superelevation, direction and high low value error information.
The side of the lower bottom base 2 is additionally provided with control box 8, and control box 8 is connected with lowering or hoisting gear 4, for opening and controlling
The ascending, descending of lowering or hoisting gear 4 operation processed a, key operation is convenient and swift.
The calibrating of gauge：The gauge measurement wheel of rail inspection instrument is press respectively against on fixed long beam 5 and movable long beam 6, two long beam phases
It is mutually parallel and two long case bays can be changed by way of mobile movable long beam 6.And the amount of movement of movable long beam 6 is track
The gauge value of somascope, the measurement range for the rail checking instrument verification table that the present invention is provided：1410~1470mm；The error of zero is not
± 0.03mm should be exceeded, its repeatability error is not more than 0.02mm.
The calibrating of superelevation：By adjusting lowering or hoisting gear 4, level meter 201 is utilized（It is horizontal and vertical）Upper bed-plate is set to fix length
The superelevation of beam 5 and movable long beam 6 top working face is 0, then the rail checking instrument superelevation being placed on upper bed-plate 1 is 0, now reconciles control
The lift control switch of box 8 processed, making upper bed-plate 1, A101 rotates around the shaft, rotates to after suitable height, in-orbit piece of platform 106
The distance at special slip gauge on pad, cushion block 105 and rotating shaft A101 centers is 1505 ± 0.3mm, is examined according to rail checking instrument verification table
Calculation formula in journey of establishing rules, calculates the superelevation of superelevation actual value, as verification table now, the track inspection that the present invention is provided
Look into the measurement range of instrument verification table：Measurement range ± 200mm；± 0.06mm is not to be exceeded in the verification table superelevation error of indication.
Direction and the calibrating of height：Data acquisition device is fixed in data acquisition device fixing device 9, passes through lowering or hoisting gear
4 at the uniform velocity lift one end of upper bed-plate 1, by rail to examining and determine special slip gauge（Direction or height）Pad is on slip gauge platform 106, by changing
Calculate, draw rail now to value, method of loci examines and determine the calibrating point of unit.
The present invention has been carried out further for embodiment or embodiment to the object, technical solutions and advantages of the present invention
Describe in detail, should be understood that embodiment provided above or embodiment is only the preferred embodiment of the present invention,
Be not intended to limit the invention, within the spirit and principles of the invention any modification made for the present invention, equivalent substitution,
Improve etc., it should be included in the scope of the protection.
Claims (8)
1. a kind of rail checking instrument verification table, including upper bed-plate, lower bottom base, support feet, lowering or hoisting gear, the front of the lower bottom base
Two sides are provided with rotating shaft A and rotating shaft B, and the side of bottom surface two is provided with rotating shaft C, and rotating shaft C is located in rotating shaft A and rotating shaft B lines
Portion, upper bed-plate is movably arranged on lower bottom base by rotating shaft A, and lowering or hoisting gear is movably arranged on lower bottom base by rotating shaft B and rotating shaft C
It is in contact above and with the bottom surface of upper bed-plate, support feet is uniformly on the bottom surface of lower bottom base, it is characterised in that：The lifting dress
Put including lifting drive, lifting slave unit, lifting limited device A, lifting limited device B and lifting protector, rise
Drop drive device is T-shaped structure, and the cross bar of lifting drive is arranged on lower bottom base by rotating shaft C, and lifting slave unit is
Rectangular configuration, the sheer pole for lifting slave unit is arranged on lower bottom base by rotating shaft B, lifts the two of the cross tube of slave unit
The bottom connection of end setting bearing, bearing and upper bed-plate is touched, and is vertically arranged in the middle part of lifting slave unit and is provided with driver plate, and transmission
Plate is perpendicular to the horizontal plane of lifting slave unit, the montant connection driver plate of lifting drive, the montant of lifting drive
End be provided with lifting limited device A, lifting slave unit cross tube and driver plate junction set lifting protection
Device and lifting limited device B；
The lifting protector is made up of train wheel bridge device, lower free bearing, strut and bolt device, and strut is bar cylindrical structure
And side offers and dead bolt and frame electromagnet are provided with rack, bolt device, frame electromagnet is connected with dead bolt, dead bolt
Locked together with rack, train wheel bridge device connection strut, lower free bearing is arranged on the both sides of bolt device, and train wheel bridge device is fixed on liter
On falling unit, lower free bearing is fixed on lower bottom base.
2. rail checking instrument verification table according to claim 1, it is characterised in that：The upper bed-plate is H-shaped structure, upper bottom
The side of seat sets fixed long beam, and the long beam of opposite side setting activity, movable long beam is arranged on upper bed-plate by longeron translating device
On.
3. rail checking instrument verification table according to claim 2, it is characterised in that：2 longerons are set on the upper bed-plate
Fixing device, positioned at fixed long beam and movable long beam inner side, and is parallel relation.
4. rail checking instrument verification table according to claim 3, it is characterised in that：The middle position of the upper bed-plate is provided with
Data acquisition device fixing device, level meter is provided with the both sides of data acquisition device fixing device.
5. rail checking instrument verification table according to claim 4, it is characterised in that：The data acquisition device fixing device is horizontal
Section is L-shaped structure, and the vertical plane and horizontal plane of data acquisition device fixing device are provided with fixing device.
6. rail checking instrument verification table according to claim 3, it is characterised in that：The upper bed-plate is located at movable long beam
Cushion block is provided with bottom surface, cushion block is arranged on the bottom surface of upper bed-plate by shaft seat, is to be flexibly connected between cushion block and shaft seat.
7. rail checking instrument verification table according to claim 6, it is characterised in that：The front of the lower bottom base and cushion block
Lower section is provided with slip gauge platform, for placing slip gauge.
8. rail checking instrument verification table according to claim 1, it is characterised in that：The side of the lower bottom base is additionally provided with
Control box, control box is connected with lowering or hoisting gear, for opening and controlling lowering or hoisting gear ascending, descending to operate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610267452.5A CN105887592B (en) | 2016-04-27 | 2016-04-27 | A kind of rail checking instrument verification table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610267452.5A CN105887592B (en) | 2016-04-27 | 2016-04-27 | A kind of rail checking instrument verification table |
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| Publication Number | Publication Date |
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| CN105887592A CN105887592A (en) | 2016-08-24 |
| CN105887592B true CN105887592B (en) | 2017-09-08 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041914A (en) * | 2019-12-24 | 2020-04-21 | 广州大铁锐威科技有限公司 | Rail gauge calibrating device and method for railway track inspection tester calibrating table |
| TWI778863B (en) * | 2021-11-12 | 2022-09-21 | 財團法人工業技術研究院 | Track measurer testing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100928698B1 (en) * | 2007-11-28 | 2009-11-27 | 한국철도공사 | Device for resetting pole rail |
| CN103090768A (en) * | 2013-01-23 | 2013-05-08 | 成都四方瑞邦测控科技有限责任公司 | Railway gauging rule calibrator |
| CN203144854U (en) * | 2013-02-18 | 2013-08-21 | 成都四方瑞邦测控科技有限责任公司 | Rail inspection tester detection table |
| CN204509893U (en) * | 2015-02-13 | 2015-07-29 | 中铁第一勘察设计院集团有限公司 | A kind of adjusting device for examining and determine high speed railway track measuring instrument gauge |
| CN204570402U (en) * | 2015-02-13 | 2015-08-19 | 中铁第一勘察设计院集团有限公司 | A kind of adjusting device for examining and determine high speed railway track measuring instrument superelevation |
| CN104652202B (en) * | 2015-02-13 | 2016-08-24 | 中铁第一勘察设计院集团有限公司 | For examining and determine the measurement apparatus of high speed railway track measuring instrument |
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