CN110281972A - Railway track sinking measuring device and its measurement method - Google Patents
Railway track sinking measuring device and its measurement method Download PDFInfo
- Publication number
- CN110281972A CN110281972A CN201910615507.0A CN201910615507A CN110281972A CN 110281972 A CN110281972 A CN 110281972A CN 201910615507 A CN201910615507 A CN 201910615507A CN 110281972 A CN110281972 A CN 110281972A
- Authority
- CN
- China
- Prior art keywords
- railway track
- hole
- graduated scale
- fixed
- measuring rod
- 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.)
- Pending
Links
- 238000000691 measurement method Methods 0.000 title claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 34
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 230000003068 static effect Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
Abstract
The invention discloses a kind of railway track sinking measuring devices.The device includes pedestal, support frame, graduated scale and measuring rod；Support frame is vertically mounted on pedestal upper surface；Graduated scale is installed in rotation on the side of pedestal upper surface, and graduated scale can be fixed on any turned position；Measuring rod can be rotated or be slidably mounted on support frame, and the initial makeup location of measuring rod, along the vertical adjustable of support frame, measuring rod one end is contact jaw, and the other end is measurement end, for contact jaw for being engaged with rail, measurement end is used to indicate the scale of graduated scale.The invention also discloses a kind of measurement methods implemented using railway track sinking measuring device.Railway track sinking measuring device of the invention and its measurement method can measure the sinking displacement for the rail being unable to measure under static state, and structure is simple, and processing cost is low, it is easy to operate, and staff does not have to close to railway in measurement process, measurement process is safe and reliable, and data are accurate.
Description
Technical field
The present invention relates to railway Measuring error technical field more particularly to a kind of railway track sinking measuring device and its surveys
Amount method.
Background technique
It is premise that train is transported safely that railway basis is firm, and in existing railway structure, railway track passes through rail bottom
The sleeper of portion two sides setting is fixed in ground base, and train can cause certain pressure and vibration to railway track in operation
It is dynamic, railway after prolonged use, railway basic foundation it is possible that it is soft the problems such as.In the daily Monitoring and maintenance of railway,
If cannot find that the problems such as railway basic foundation is soft to safeguard to railway, when train passes through, can make iron not in time
Rail sinking in road is excessive, so that railroad conditions be caused to damage, transports safely to train and causes to seriously affect.Existing railway monitoring
Maintenance activity is mainly implemented in the case where railway is in static state, however when railway is in static state, it can not accurately measure
The deflection of railway track, so that accurate judgement can not be made to railroad conditions.
Summary of the invention
To solve above-mentioned the technical problems existing in the prior art, the present invention provides a kind of railway track sinking measuring device
And its measurement method.
For this purpose, the railway track sinking measuring device is used the invention discloses a kind of railway track sinking measuring device
The sinking displacement of rail when measuring train and passing through railway track, described device includes: pedestal, support frame, graduated scale and measurement
Bar；
Support frame as described above is vertically mounted on the pedestal upper surface；
The graduated scale is installed in rotation on the side of the pedestal upper surface, and the graduated scale can be fixed on it is any
On turned position；
The measuring rod can be rotated or be slidably mounted on support frame as described above, and the initial installation position of the measuring rod
It sets along the vertical adjustable of support frame as described above, described measuring rod one end is contact jaw, and the other end is measurement end, and the contact jaw is used for
It is engaged with the rail, the measurement end is used to indicate the scale of the graduated scale.
Further, in the railway track sinking measuring device, described device further includes fixed board, the fixation
Vertical plate is mounted on the base, and is used to support the fixed graduated scale.
Further, in the railway track sinking measuring device, the graduated scale is arranged in the fixed board
On the outside of end, the end of the graduated scale is provided with end through-hole, is provided on the fixed board and the end through-hole phase
The connection through-hole of adaptation, the end through-hole and the connection through-hole face, the fixed board and the graduated scale pass through institute
State the mating connection of end through-hole, the connection through-hole and bolt and nut pair.
Further, in the railway track sinking measuring device, the fixed board is fixed on by welding manner
On the pedestal.
Further, vertically it is arranged in the railway track sinking measuring device, on support frame as described above side end face more
It is logical to be provided with installation compatible with the fixed hole on the measuring rod side end face for the fixed hole of a equidistantly distributed
Hole, the measuring rod are fitted to support frame as described above by bolt and nut pair and the fixed hole and the installation through-hole
On.
Further, in the railway track sinking measuring device, support frame as described above is vertically provided on side end face
Through slot is fixed, is provided with the compatible installation through-hole of the fixed through slot on the measuring rod side end face, the measuring rod passes through
Bolt and nut pair and the fixed through slot and the installation through-hole are fitted on support frame as described above.
Further, in the railway track sinking measuring device, support frame as described above is fixed on institute by welding manner
It states on pedestal.
In addition, the invention also discloses a kind of measurement method implemented using above-mentioned railway track sinking measuring device, institute
Measurement method is stated to include the following steps:
Between two sleepers that the railway track sinking measuring device is steadily placed on the outside of railway track；
The upright position for adjusting the measuring rod makes the measuring rod contact jaw withstand the rail bottom bottom of the rail；
The graduated scale is rotated, after so that the measuring rod measurement end is directed at the scale of the graduated scale, by the graduated scale
It fixes on the base.
The major advantage of technical solution of the present invention is as follows:
Railway track sinking measuring device of the invention and its measurement method can be measured to be unable to measure under static state
Rail sinking displacement, can be provided for railroad maintenance science data supporting；Structure is simple, and processing cost is low, easy to operate,
And staff does not have to close to railway in measurement process, measurement process is safe and reliable, and data are accurate.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes of the invention one
Point, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, does not constitute improper limitations of the present invention.Attached
In figure:
Fig. 1 is the structural schematic diagram of the railway track sinking measuring device of one embodiment of the invention；
Fig. 2 is the use state diagram of railway track sinking measuring device shown in FIG. 1.
Description of symbols:
1- pedestal, 2- support frame, 3- graduated scale, 4- measuring rod, 5- fixed board.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only of the invention
A part of the embodiment, instead of all the embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Below in conjunction with attached drawing, the technical solution of embodiment that the present invention will be described in detail offer.
As shown in Fig. 1, the embodiment of the invention provides a kind of railway track sinking measuring device, which sinks
Measuring device is used to measure train by the sinking displacement of rail when railway track, which includes:
Pedestal 1, support frame 2, graduated scale 3 and measuring rod 4；Support frame 2 is vertically mounted on 1 upper surface of pedestal；Graduated scale 3 is rotationally
It is mounted on the side of 1 upper surface of pedestal, and graduated scale 3 can be fixed on any turned position；Measuring rod 4 can be rotated or slidably
Ground is mounted on support frame 2, and the initial makeup location of measuring rod 4, along the vertical adjustable of support frame 2,4 one end of measuring rod is to connect
Contravention, the other end are measurement end, and for contact jaw for being engaged with rail, measurement end is used to indicate the scale of graduated scale 3.
The structure and working principle of railway track sinking measuring device provided in an embodiment of the present invention is carried out below specific
Explanation.
As shown in Fig. 2, railway track sinking measuring device provided in an embodiment of the present invention when in use, is first passed through in train
It crosses between two sleepers that the device is smoothly mounted on the outside of railway track before rail, and pedestal 1 is made to be stabilized in ground base
On；The then initial makeup location by adjusting measuring rod 4 on support frame 2 makes the contact jaw of measuring rod 4 withstand railway track
Rail bottom bottom, and apply certain pretightning force to measuring rod 4, it is ensured that measuring rod 4 will not rotate because of self gravity or
Sliding；Graduated scale 3 is rotated, makes graduated scale 3 close to the measurement end of measuring rod 4, until the measurement end face graduated scale 3 of measuring rod 4
Scale after, graduated scale 3 is fastened on pedestal 1, and record graduated scale 3 indicated by the measurement end of measuring rod 4 at this time
Reading, using as initial value；When train passes through rail, rail will appear sinking under the pressure of train, due to measuring rod 4
Contact jaw withstands rail foot, the contact end motion of the rail meeting synchronous drive measuring rod 4 of sinking, so that measuring rod 4 be made to occur
Rotation or sliding；After train warp, the reading of graduated scale 3 indicated by the measurement end of measuring rod 4 at this time is observed and recorded, with
As measured value, the difference of initial value and measured value is calculated, which is the sinking displacement of railway track.
As shown in Fig. 1, for the ease of the installation and fixation of graduated scale 3, in the embodiment of the present invention, which sinks
Measuring device further includes fixed board 5, and fixed board 5 is mounted on pedestal 1, is used to support fixed graduated scale 3.
For how using fixed board 5 to realize that graduated scale 3 is installed in rotation on the side of 1 upper surface of pedestal, and carve
Degree ruler 3 can be fixed on any turned position, be illustrated below.
Specifically, fixed board 5 is arranged on the outside of the end of graduated scale 3, and the end of graduated scale 3 is provided with end through-hole,
Be provided with connection through-hole compatible with end through-hole on fixed board 5, end through-hole with connect through-hole face, fixed board 5
Pass through the mating connection of end through-hole, connection through-hole and bolt and nut pair with graduated scale 3.Wherein, fixed board 5 and graduated scale 3
When carrying out assembly connection, the end of thread of bolt is first made successively to be interspersed with connection through-hole and end through-hole, is then being pierced by connection
Top nut is screwed on the end of thread of the bolt of through-hole and end through-hole.
So set, unclamping nut first when needing to rotate graduated scale 3 to unclamp the company of fixed board 5 Yu graduated scale 3
It connects, then rotates graduated scale 3 and arrive required position, then tightening nut is so that fixed board 5 is fixed together with graduated scale 3.
In the embodiment of the present invention, fixed board 5 can be fixed on pedestal 1 by welding manner, can also pass through bolt
Connection type is fixed on pedestal 1.
As above-mentioned, in the embodiment of the present invention, measuring rod 4 can be rotated or be slidably mounted on support frame 2, and measuring rod
4 initial makeup location is along the vertical adjustable of support frame 2.Specifically, for how to realize measuring rod 4 can be rotated or slideably
It is mounted on support frame 2, and the initial makeup location of measuring rod 4 is illustrated below along the vertical adjustable of support frame 2.
As an example, the fixed hole of multiple equidistantly distributeds, measuring rod are vertically set on 2 side end face of support frame
Installation through-hole compatible with fixed hole is provided on 4 side end faces, measuring rod 4 passes through bolt and nut pair and fixed hole and peace
Dress through-hole is fitted on support frame 2.
Wherein, the spacing and quantity of fixed hole are determined according to actual measurement demand.
So set, the first of measuring rod 4 can be realized by the fixed hole matched on replacement support frame 2 with measuring rod 4
The adjustability of beginning installation site；When the railway track sinking measuring device is used to measure the sinking displacement of rail, first determines and survey
The installation site of gauge rod 4 is then mounted on support frame 2 by bolt and nut adjutant measuring rod 4, and right using bolt and nut pair
Measuring rod 4 applies certain torque, to ensure that measuring rod 4 will not rotate because of self gravity；When train passes through rail,
The sunken caves meeting synchronous drive measuring rod 4 of rail rotates, to change the position of the measurement end of measuring rod 4, realizes rail
The measurement of sinking displacement.
As another example, fixed through slot is vertically provided on 2 side end face of support frame, measuring rod is set on 4 side end face
It is equipped with the compatible installation through-hole of fixed through slot, the cooperation that measuring rod 4 passes through bolt and nut pair and fixed through slot and installation through-hole
It is mounted on support frame 2.
Wherein, the position of fixed through slot and flute length are determined according to actual measurement demand.
So set, measuring rod 4 can be realized by adjusting position of the measuring rod 4 on the fixation through slot of support frame 2
The adjustability of initial makeup location；When the railway track sinking measuring device is used to measure the sinking displacement of rail, first determine
The installation site of measuring rod 4 is then mounted on support frame 2 by bolt and nut adjutant measuring rod 4, and utilizes bolt and nut pair
Apply certain torque, to measuring rod 4 to ensure that measuring rod 4 will not be slided because of self gravity；When train passes through rail
When, the sunken caves meeting synchronous drive measuring rod 4 of rail slides, to change the position of the measurement end of measuring rod 4, realizes rail
Sinking displacement measurement.
Further, in the embodiment of the present invention, support frame 2 can be fixed on pedestal 1 by welding manner, can also be led to
Bolt connecting mode is crossed to be fixed on pedestal 1.
In addition, the embodiment of the invention also discloses a kind of measurement sides implemented using above-mentioned railway track sinking measuring device
Method, the measurement method include the following steps:
Between two sleepers that railway track sinking measuring device is steadily placed on the outside of railway track；
The upright position for adjusting measuring rod 4, makes 4 contact jaw of measuring rod withstand the rail bottom bottom of rail；
Graduated scale 3 is rotated, after the scale for making 4 measurement end of measuring rod alignment graduated scale 3, graduated scale 3 is fixed on pedestal 1
On.
Specifically, when the sinking position for measuring rail when train passes through railway track using the railway track sinking measuring device
It moves, first between two sleepers that the device is smoothly mounted on the outside of railway track before train is by rail, and keeps pedestal 1 steady
Gu in ground base；The then initial makeup location by adjusting measuring rod 4 on support frame 2 makes the contact jaw of measuring rod 4
The rail bottom bottom of railway track is withstood, and applies certain pretightning force to measuring rod 4, it is ensured that measuring rod 4 will not be because of self gravity
And it rotates or slides；Graduated scale 3 is rotated, makes graduated scale 3 close to the measurement end of measuring rod 4, until the measurement end of measuring rod 4
After the scale of face graduated scale 3, graduated scale 3 is fastened on pedestal 1, and is recorded indicated by the measurement end of measuring rod 4 at this time
Graduated scale 3 reading, using as initial value；When train passes through rail, rail will appear sinking under the pressure of train, by
Rail foot, the contact end motion of the rail meeting synchronous drive measuring rod 4 of sinking, to make are withstood in the contact jaw of measuring rod 4
Measuring rod 4 is rotated or is slided；After train warp, scale indicated by the measurement end of measuring rod 4 at this time is observed and recorded
The reading of ruler 3, to calculate the difference of initial value and measured value, which is the sinking displacement of railway track as measured value.
As it can be seen that railway track sinking measuring device provided in an embodiment of the present invention and its measurement method can be measured in static state
The sinking displacement for the rail being unable to measure under state can provide the data supporting of science for railroad maintenance；Structure is simple, is processed into
This is low, easy to operate, and staff does not have to close to railway in measurement process, and measurement process is safe and reliable, and data are accurate.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In addition, placement shape of "front", "rear", "left", "right", "upper", the "lower" herein to be indicated in attached drawing
State is reference.
Finally, it should be noted that the above examples are only used to illustrate the technical scheme of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of railway track sinking measuring device, which is characterized in that the railway track sinking measuring device is for measuring fire
The sinking displacement of rail when vehicle passes through railway track, described device include: pedestal (1), support frame (2), graduated scale (3) and measurement
Bar (4)；
Support frame as described above (2) is vertically mounted on the pedestal (1) upper surface；
The graduated scale (3) is installed in rotation on the side of the pedestal (1) upper surface, and the graduated scale (3) can be fixed
On any turned position；
The measuring rod (4) can be rotated or be slidably mounted on support frame as described above (2), and the measuring rod (4) is initial
Installation site is vertical adjustable along support frame as described above (2), and described measuring rod (4) one end is contact jaw, and the other end is measurement end, institute
Contact jaw is stated for being engaged with the rail, the measurement end is used to indicate the scale of the graduated scale (3).
2. railway track sinking measuring device according to claim 1, which is characterized in that described device further includes fixed vertical
Plate (5), the fixed board (5) are mounted on the pedestal (1), are used to support the fixed graduated scale (3).
3. railway track sinking measuring device according to claim 2, which is characterized in that fixed board (5) setting
On the outside of the end of the graduated scale (3), the end of the graduated scale (3) is provided with end through-hole, on the fixed board (5)
It is provided with connection through-hole compatible with the end through-hole, the end through-hole and the connection through-hole face, the fixation
The mating connection that vertical plate (5) and the graduated scale (3) pass through the end through-hole, the connection through-hole and bolt and nut pair.
4. railway track sinking measuring device according to claim 3, which is characterized in that the fixed board (5) passes through
Welding manner is fixed on the pedestal (1).
5. railway track sinking measuring device according to claim 1 or 4, which is characterized in that support frame as described above (2) side
The fixed hole of multiple equidistantly distributeds is vertically set on face, is provided with and the fixation on measuring rod (4) side end face
The compatible installation through-hole of through-hole, the measuring rod (4) pass through bolt and nut pair and the fixed hole and the installation through-hole
Be fitted on support frame as described above (2).
6. railway track sinking measuring device according to claim 1 or 4, which is characterized in that support frame as described above (2) side
It is vertically provided with fixed through slot on face, is provided with the compatible installation of the fixed through slot on measuring rod (4) side end face
Through-hole, the measuring rod (4) are described by being fitted to for bolt and nut pair and the fixed through slot and the installation through-hole
On support frame (2).
7. railway track sinking measuring device according to claim 1, which is characterized in that support frame as described above (2) passes through weldering
The mode of connecing is fixed on the pedestal (1).
8. a kind of measurement method that the railway track sinking measuring device using as described in claim 1 to 7 is implemented, feature exist
In the measurement method includes the following steps:
Between two sleepers that the railway track sinking measuring device is steadily placed on the outside of railway track；
The upright position for adjusting the measuring rod (4) makes the measuring rod (4) contact jaw withstand the rail bottom bottom of the rail；
The graduated scale (3) are rotated, after so that the measuring rod (4) measurement end is directed at the scale of the graduated scale (3), by the quarter
Degree ruler (3) is fixed on the pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910615507.0A CN110281972A (en) | 2019-07-09 | 2019-07-09 | Railway track sinking measuring device and its measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910615507.0A CN110281972A (en) | 2019-07-09 | 2019-07-09 | Railway track sinking measuring device and its measurement method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110281972A true CN110281972A (en) | 2019-09-27 |
Family
ID=68021008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910615507.0A Pending CN110281972A (en) | 2019-07-09 | 2019-07-09 | Railway track sinking measuring device and its measurement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110281972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111719365A (en) * | 2020-07-08 | 2020-09-29 | 于海洋 | Prefabricated structure of assembled bridge of high-speed railway and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB889742A (en) * | 1959-05-07 | 1962-02-21 | Abtus Ltd | Improved means for measuring the amount of depression of railway sleepers under load |
| KR20070008938A (en) * | 2005-07-14 | 2007-01-18 | 남진우 | Apparatus for measuring an extent of sinking of rail in a railload |
| CN101738155A (en) * | 2009-12-11 | 2010-06-16 | 中铁宝桥集团有限公司 | Detection ruler of torsion obliquity of rail top of steel rail and method for detecting torsion obliquity of rail top of steel rail on line |
| CN208795116U (en) * | 2018-10-31 | 2019-04-26 | 重庆工程职业技术学院 | The sinking land in coalmining areas is damaged building cracks measuring device |
| CN210234985U (en) * | 2019-07-09 | 2020-04-03 | 山东钢铁股份有限公司 | Railway steel rail sinking measuring device |
-
2019
- 2019-07-09 CN CN201910615507.0A patent/CN110281972A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB889742A (en) * | 1959-05-07 | 1962-02-21 | Abtus Ltd | Improved means for measuring the amount of depression of railway sleepers under load |
| KR20070008938A (en) * | 2005-07-14 | 2007-01-18 | 남진우 | Apparatus for measuring an extent of sinking of rail in a railload |
| CN101738155A (en) * | 2009-12-11 | 2010-06-16 | 中铁宝桥集团有限公司 | Detection ruler of torsion obliquity of rail top of steel rail and method for detecting torsion obliquity of rail top of steel rail on line |
| CN208795116U (en) * | 2018-10-31 | 2019-04-26 | 重庆工程职业技术学院 | The sinking land in coalmining areas is damaged building cracks measuring device |
| CN210234985U (en) * | 2019-07-09 | 2020-04-03 | 山东钢铁股份有限公司 | Railway steel rail sinking measuring device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111719365A (en) * | 2020-07-08 | 2020-09-29 | 于海洋 | Prefabricated structure of assembled bridge of high-speed railway and construction method |
| CN111719365B (en) * | 2020-07-08 | 2022-03-29 | 安徽中源环保科技有限公司 | Prefabricated structure of assembled bridge of high-speed railway and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207456570U (en) | A kind of vertical magnetostriction liquidometer testing calibration device | |
| CN206002085U (en) | Building leveller | |
| CN206818096U (en) | A kind of bridge displacement monitoring device | |
| CN207923068U (en) | A kind of contact network parameter measuring instrument calibrating apparatus | |
| CN207540444U (en) | A kind of multi-function switch structure and rail member Abrasion detecting instrument | |
| CN109269385A (en) | The geometric parameter principle measuring device of integrated spiral dial type | |
| CN110281972A (en) | Railway track sinking measuring device and its measurement method | |
| CN203744972U (en) | Improved type slope scale for engineering supervision | |
| CN102261884B (en) | Measuring gauge special for assembly of wheel sensor of axis-counting system | |
| CN107218877A (en) | A kind of screw rod testing apparatus for verticality | |
| CN2107634U (en) | Three-direction gap detector | |
| CN207528167U (en) | General planer-type flatness checking device | |
| CN210234985U (en) | Railway steel rail sinking measuring device | |
| CN207936945U (en) | It is a kind of to solar panels and coating detection equipment | |
| CN203132478U (en) | Tool for measuring track rail waist thickness | |
| CN206930254U (en) | A kind of screw rod testing apparatus for verticality | |
| CN201772841U (en) | Horizontal height measuring gauge | |
| CN206450168U (en) | A kind of rotary support for the accurate measurement hole depth of parallelism | |
| CN209570162U (en) | Hydraulic generator rotor support arm curvature measuring device | |
| CN107588703A (en) | A kind of Multipurpose switch checks chi | |
| CN208847092U (en) | The geometric parameter principle measuring device of integrated spiral dial type | |
| CN208026258U (en) | A kind of roadbed side slope slope detection device | |
| CN209524912U (en) | A kind of quick grade of side slope measuring device | |
| CN207066387U (en) | A kind of Multipurpose switch checks chi | |
| CN218373034U (en) | Decline and detect slide plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |