CN107059516B - A kind of railroad track detection device - Google Patents
A kind of railroad track detection device Download PDFInfo
- Publication number
- CN107059516B CN107059516B CN201710470557.5A CN201710470557A CN107059516B CN 107059516 B CN107059516 B CN 107059516B CN 201710470557 A CN201710470557 A CN 201710470557A CN 107059516 B CN107059516 B CN 107059516B
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- Prior art keywords
- crossbeam
- gas spring
- long axis
- detection
- railroad track
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- 238000001514 detection method Methods 0.000 title claims abstract description 79
- 230000003044 adaptive effect Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 25
- 238000005259 measurement Methods 0.000 abstract description 16
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/16—Guiding or measuring means, e.g. for alignment, canting, stepwise propagation
Abstract
The invention discloses a kind of railroad track detection devices, including two detection trolleies for carrying out every detection to track, two detection trolleies for being slidably installed in two tracks arranged side by side respectively, it is equipped between two detection trolleies for connecting the two and along the flexible setting in the two line direction with the crossbeam telescopic device of the gauge variation between adaptive two tracks, crossbeam telescopic device includes: the crossbeam long axis extended along two detection trolley line directions, the both ends of crossbeam long axis are respectively rotatably connected to one group of crossbeam telescoping member, two groups of crossbeam telescoping members are symmetrical arranged about the midpoint in crossbeam long axis length direction, and each crossbeam telescoping member and the detection trolley dismantling connection that is correspondingly arranged.Railroad track detection device of the invention is easy to carry, detection when carry out easy to operate when convenient, measurement, measuring basis is unique, can eliminate the influence of machine error, greatly improves accuracy when measurement.
Description
Technical field
The present invention relates to railroad survey technical fields, particularly, are related to a kind of railroad track detection device.
Background technique
Fly swift and violent development as China railways present to dash forward, train running speed is also being continuously improved, while bring rail
Road Structural defect problem is also increasingly severe, and the ride comfort of especially high speed railway track directly affects the safety of bullet train
Operation.To realize the safety of train operation and the requirement of comfort, need periodically to the geometry state of such as track, rail
The track structures diseases such as damage, abrasion are detected.Small portable detection device is wide with the advantages such as light, high-efficient
It is general to be applied to railway track measurement field.
When measurement, gauge changes especially in the 3 in Curve Segment slacking of gauge, becomes the measuring basis of small-sized detection device
Change, and then influences measurement result.Currently, in most of small-sized detection device, by make gas spring or rigidity helical spring with
Roller combination is fixed on car body the influence for eliminating gauge variation.
Since gas spring or rigid helical spring are combined with roller and be fixedly connected, and roller combination is fixedly connected with the vehicle body,
To which entire small-sized detection device be the overall structure that rigid connection is integrated, not only portability is poor, and when detection carries out inconvenient, survey
Operating difficulties when amount, and entire detection device is the rigid structure of integral type, it is easy to operate improper to make gas when terminating measurement disassembly
Spring or rigid helical spring are in stretching state, to make gas spring gas leakage, damage, improve measurement cost, these give inspection
The work business personnel of survey bring great operating difficulties.
Summary of the invention
The present invention provides a kind of railroad track detection devices, portable present in existing small-sized detection device to solve
Property poor, detection when carry out the technical problem of operating difficulties and measuring accuracy difference when inconvenient, measurement.
The technical solution adopted by the invention is as follows:
A kind of railroad track detection device, comprising: for carrying out two detection trolleies of every detection, two institutes to track
Detection trolley is stated for being slidably installed in two tracks arranged side by side respectively, is equipped between two detection trolleies
For connecting the two and along the flexible setting in the two line direction with the crossbeam of the gauge variation between adaptive two tracks
Telescopic device, the crossbeam telescopic device include: the crossbeam long axis extended along two detection trolley line directions, the cross
The both ends of beam length axis are respectively rotatably connected to one group of crossbeam telescoping member, and crossbeam telescoping member described in two groups is about the crossbeam long axis
The midpoint of length direction is symmetrical arranged, and each crossbeam telescoping member and the detection trolley dismantling connection being correspondingly arranged.
Further, each crossbeam telescoping member include for it is described detection trolley dismantling connection connection component,
The connection component includes: the deck for being arranged on the roller of the detection trolley, and the deck is used for equipped with multiple groups
By the locking member of the deck and roller locking, the deck is connected by locking member described in multiple groups and roller disassembly
It connects.
Further, the deck is in U-typed, is clamped on the roller by its U-shaped card mouth；The locking member is lock
Tight bolt, when the deck is clamped on the roller, the clamping screw is after the deck and the roller by the two
It is locked.
Further, each crossbeam telescoping member further includes erection support, and the crossbeam long axis is slided along its length
It is dynamic to be supported on the erection support and rotated relative to the erection support, the end of the connection component and the erection support
It is fixedly connected；It is equipped between the end and the connection component of the crossbeam long axis for providing along the crossbeam long axis ray side
To the elastic telescopic component of telescopic resilience power, the elastic telescopic component is set on the erection support；The crossbeam long axis
End be connected with the elastic telescopic component, the end of the elastic telescopic component is against the connection component.
Further, the elastic telescopic component include for providing the gas spring of telescopic resilience power, the gas spring
One end is connected with the end of the crossbeam long axis, and another opposite end of the gas spring is connected with for being in the gas spring
The gas spring state bridgeware of the working condition of stretching or the off working state loosened, the end of the gas spring state bridgeware
Against the connection component.
Further, the erection support includes the horizontally disposed mounting base of telescopic direction along the gas spring；Institute
Stating gas spring state bridgeware includes the installation outer cover in U-typed, and the open side of the installation outer cover and the mounting base are solid
Fixed connection, the installation end of the outer cover far from the gas spring is against the connection component；The closed end of the installation outer cover
It is equipped with and adjusts spanner, the bottom end for adjusting spanner is protruded into the inner cavity of the installation outer cover, the bottom end for adjusting spanner
It is also connected with tapered end, the end of the gas spring and the tapered end are rotatablely connected, to rotate fixed angle when the adjusting spanner
When, the internal chamber wall of the tapered end and the installation outer cover is supported so as to the gas spring stretching or loosen.
Further, the gas spring state bridgeware further includes the connection step in multi-stage stairs shape, the connected unit
Rank be fixedly connected on the mounting base and with the installation outer cover towards the end of the gas spring against；The gas spring
End pass through it is described connection step extend back it is described installation outer cover inner cavity in be connected with the tapered end.
Further, the elastic telescopic component further includes the end for being set to the crossbeam long axis and the gas spring
The jointing of the two is connected between end；The end of the gas spring and one end of the jointing are hinged；The cross
The other end dismantling connection of the end of beam length axis and the jointing.
Further, the erection support further includes for installing the mounting flange for supporting the crossbeam long axis, the peace
Dress flange is fixedly attached on the mounting base；The end face of the mounting flange towards the gas spring, which is fixedly connected with, to be used for
The guide pad that the crossbeam long axis is oriented to；The crossbeam long axis is slidably installed in the mounting flange and the guide pad
In, and the end of the crossbeam long axis be pierced by the guide pad after be connected with the jointing.
Further, the crossbeam telescoping member further includes for the guide pad, the jointing and the gas
Spring carries out dust-proof dustproof encloser, and one end of the dustproof encloser is connected with the mounting flange, the dustproof encloser it is another
One end is connected with the connection step.
The invention has the following advantages:
In railroad track detection device of the invention, crossbeam telescoping member and crossbeam long axis are rotatablely connected, and crossbeam is flexible
Component is connected with detection trolley, therefore detects trolley and the rotation connection of crossbeam long axis, i.e. detection trolley can be around the circumference of crossbeam long axis
Direction rotation, but crossbeam telescopic device is set along the flexible setting in two track line directions so that railroad track of the invention detects
Standby is flexible structure, and when the gauge variation between track, crossbeam telescopic device is changed along telescopic with adaptive gauge, from
And the two sides small truck position of detection is constant, guarantees the uniqueness of measuring basis；When the variation of the levelness of track, such as have into bend
When superelevation of outer rail influences, crossbeam telescopic device stretches along its length, and detects trolley and rotate around crossbeam long axis, to make to examine
It surveys trolley and becomes a flexible structure, the two sides small truck position of detection is constant, guarantees the uniqueness of measuring basis；When track occurs three
When angle is cheated, because two sides detection trolley can be rotated around crossbeam long axis, so that the two sides small truck position of detection is constant, guarantee measuring basis
Uniqueness；Again because of crossbeam telescoping member and the detection trolley dismantling connection being correspondingly arranged, to make railroad track of the invention
Detection device is easy to carry.When railroad track detection device of the invention is not only convenient for carrying, detecting by adopting the above technical scheme
It is easy to operate when implementation convenience, measurement, and generally flexible structure, such as three are suitable on rail during carrying out track detecting
The various state change situations such as angle hole, keep the uniqueness of measuring basis, eliminate the influence of machine error, to greatly improve survey
Accuracy when amount.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic view of the front view of the railroad track detection device of the preferred embodiment of the present invention；
Fig. 2 is that the space structure schematic diagram after dustproof encloser is removed in Fig. 1；
Fig. 3 is the space structure schematic diagram in Fig. 2 after removal installation outer cover.
Marginal data
10, trolley is detected；11, roller；20, track；30, crossbeam long axis；40, connection component；41, deck；42, it locks
Part；50, erection support；51, mounting base；52, mounting flange；53, guide pad；60, elastic telescopic component；61, gas spring；
62, gas spring state bridgeware；621, outer cover is installed；622, spanner is adjusted；623, tapered end；624, step is connected；63, it connects
Head；70, dustproof encloser；80, dust-proof card cover.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Referring to Fig.1, the preferred embodiment of the present invention provides a kind of railroad track detection device, including for track 20
Two detection trolleies 10 of every detection are carried out, two detection trolleies 10 for being slidably installed in two rails arranged side by side respectively
It is equipped on road 20, between two detection trolleies 10 and is arranged for connecting the two and stretching along the two line direction with adaptive two
The crossbeam telescopic device of gauge variation between track 20, crossbeam telescopic device includes: along two 10 line directions of detection trolley
The crossbeam long axis 30 of extension, the both ends of crossbeam long axis 30 are respectively rotatably connected to one group of crossbeam telescoping member, the flexible structure of two groups of crossbeams
Part is symmetrical arranged about the midpoint of 30 length direction of crossbeam long axis, and each crossbeam telescoping member and the detection trolley 10 being correspondingly arranged
Dismantling connection.In railroad track detection device of the invention, crossbeam telescoping member and crossbeam long axis 30 are rotatablely connected, and crossbeam is stretched
Contracting component is connected with detection trolley 10, therefore detects trolley 10 and the rotation connection of crossbeam long axis 30, i.e. detection trolley 10 can be around crossbeam
The circumferencial direction of long axis 30 rotates, and crossbeam telescopic device stretches along two 20 line directions of track and is arranged, thus of the invention
Railroad track detection device be flexible structure, when between track 20 gauge variation when, crossbeam telescopic device along telescopic with
Adaptive gauge variation guarantees the uniqueness of measuring basis so that two sides detection 10 position of trolley is constant；When the level of track 20
When degree variation, when such as entering bend has superelevation of outer rail influence, crossbeam telescopic device stretches along its length, and detects trolley 10
It is rotated around crossbeam long axis 30, so that detection trolley 10 be made to become a flexible structure, two sides detection 10 position of trolley is constant, guarantees
The uniqueness of measuring basis；When there is twist irregularity in track 20, because two sides detection trolley 10 can be rotated around crossbeam long axis 30, thus
Two sides detection 10 position of trolley is constant, guarantees the uniqueness of measuring basis；Again because of crossbeam telescoping member and the inspection being correspondingly arranged
10 dismantling connection of trolley is surveyed, to keep railroad track detection device of the invention easy to carry.Railroad track detection of the invention
Equipment is not only convenient for carrying by adopting the above technical scheme, detection when carry out easy to operate when convenient, measurement, and generally flexible knot
Structure is suitable on rail such as twist irregularity various state change situations during carrying out track detecting, keeps measuring basis
Uniqueness, eliminates the influence of machine error, to greatly improve accuracy when measurement.
Optionally, as shown in Fig. 2, each crossbeam telescoping member includes for the connection component with detection 10 dismantling connection of trolley
40, connection component 40 includes: the deck 41 for being arranged on the roller 11 of detection trolley 10, and deck 41 is used for equipped with multiple groups
The locking member 42 that deck 41 and roller 11 are locked, deck 41 pass through multiple groups locking member 42 and 11 dismantling connection of roller.
In the embodiment of the present invention, as shown in Fig. 2, deck 41 is in U-typed, deck 41 is clamped in roller by its U-shaped card mouth
On 11.Locking member 42 is clamping screw, and when deck 41 is clamped on roller 11, clamping screw will after passing through deck 41 and roller 11
The two is locked.
Optionally, as shown in Fig. 2, each crossbeam telescoping member further includes erection support 50, crossbeam long axis 30 is square along its length
It is rotated to slidably supported on erection support 50 and relative to erection support 50, connection component 40 and the end of erection support 50 are fixed
Connection.It is equipped between the end and connection component 40 of crossbeam long axis 30 for providing along 30 axis direction telescopic resilience of crossbeam long axis
The elastic telescopic component 60 of power, elastic telescopic component 60 are set on erection support 50.It is stretched with elasticity the end of crossbeam long axis 30
Contracting component 60 is connected, and the end of elastic telescopic component 60 is connected component 40.
In the embodiment of the present invention, as shown in Fig. 2, elastic telescopic component 60 includes for providing the gas spring of telescopic resilience power
61, one end of gas spring 61 is connected with the end of crossbeam long axis 30, and another opposite end of gas spring 61 is connected with for making gas bullet
The gas spring state bridgeware 62 of off working state that spring 61 is in the working condition of stretching or loosens, gas spring state bridgeware
62 end is connected component 40.
In the specific embodiment of the invention, as shown in Figures 2 and 3, erection support 50 includes the telescopic direction along gas spring 61
Horizontally disposed mounting base 51.Gas spring state bridgeware 62 includes the installation outer cover 621 in U-typed, installation outer cover 621
Open side is fixedly connected with mounting base 51, and installation outer cover 621 is connected component 40 far from the end of gas spring 61.Installation is outer
The closed end of cover 621, which is equipped with, adjusts spanner 622, and the bottom end for adjusting spanner 622 is protruded into the inner cavity of installation outer cover 621, adjusts
The bottom end of spanner 622 is also connected with tapered end 623, and the end of gas spring 61 and tapered end 623 are rotatablely connected, when adjusting spanner 622
When rotating fixed angle, tapered end 623 is supported with the internal chamber wall for installing outer cover 621 so as to 61 stretching of gas spring or loosen.When measurement,
Rotation adjusts spanner 622 to setting position, and tapered end 623 drives gas spring 61 to stretch so that gas spring 61 is in the work shape of stretching
State, when terminating measurement, rotation adjusts spanner 622 in the opposite direction, and tapered end 623 forces the compression of gas spring 61 so that at gas spring 61
In the off working state loosened, dismantled from track 20 consequently facilitating will test trolley 10.In existing small-sized detection device, due to
Generally rigid structure, and gas spring or rigid helical spring are in the working condition of stretching always, to terminate measurement disassembly
When, gas spring can only be pulled manually to be at the off working state loosened, when pulling gas spring manually, be easy to damage gas bullet
Spring is so that its gas leakage, or even damage improve measurement cost to reduce measurement accuracy.
Optionally, as shown in Fig. 2, gas spring state bridgeware 62 further includes the connection step 624 in multi-stage stairs shape, even
Consecutive rank 624 be fixedly connected on mounting base 51 and with installation outer cover 621 towards the end of gas spring 61 against.Gas spring 61
End pass through connection step 624 after protrude into installation outer cover 621 inner cavity in be connected with tapered end 623.
Optionally, as shown in Fig. 2, elastic telescopic component 60 further includes end and the gas spring 61 for being set to crossbeam long axis 30
End between with connect both jointing 63.The end of gas spring 61 and one end of jointing 63 are hinged.Crossbeam is long
The end of axis 30 and the other end dismantling connection of jointing 63.
Optionally, as shown in Fig. 2, erection support 50 further includes the mounting flange 52 for installing bearing cross beam long axis 30,
Mounting flange 52 is fixedly attached on mounting base 51.The end face of mounting flange 52 towards gas spring 61 be fixedly connected with for pair
The guide pad 53 that crossbeam long axis 30 is oriented to.Crossbeam long axis 30 is slidably installed in mounting flange 52 and guide pad 53, and horizontal
The end of beam length axis 30 is connected after being pierced by guide pad 53 with jointing 63.
Preferably, as shown in Fig. 2, crossbeam telescoping member further includes for guide pad 53, jointing 63 and gas spring
61 carry out dust-proof dustproof encloser 70, and one end of dustproof encloser 70 is connected with mounting flange 52, the other end of dustproof encloser 70 and
Step 624 is connected to be connected.In the specific embodiment of the invention, dustproof encloser 70 is in U-typed, the open side and installation of dustproof encloser 70
Bottom plate 51 is fixedly connected, and dustproof encloser 70 is dust-proof for carrying out to guide pad 53, jointing 63 and gas spring 61, places dust
Into the flexible of equipment internal influence gas spring 61.
Further, as shown in Fig. 2, crossbeam telescoping member further includes for carrying out dust-proof dust-proof card to mounting flange 52
Cover 80, dust-proof card cover are clamped on the outer wall of mounting flange 52 and constitute step with mounting flange 52.One end of dustproof encloser 70
The step constituted with dust-proof card cover 80 and mounting flange 52 overlaps, and the other end being oppositely arranged is overlapped with step 624 is connect, with
For further preventing dust to enter inside equipment to influence the flexible of gas spring 61.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of railroad track detection device characterized by comprising
For track (20) to be carried out with two detection trolleies (10) of every detection, two detection trolleies (10) are for distinguishing
It is slidably installed on two tracks (20) arranged side by side, is equipped between two detection trolleies (10) for connecting two
Person and the flexible dress of crossbeam changed along the flexible setting in the two line direction with the gauge between adaptive two tracks (20)
It sets, the crossbeam telescopic device includes:
The crossbeam long axis (30) extended along two detection trolley (10) line directions, the both ends of the crossbeam long axis (30) are each
It is rotatably connected to one group of crossbeam telescoping member, crossbeam telescoping member described in two groups is about crossbeam long axis (30) length direction
Midpoint is symmetrical arranged, and each crossbeam telescoping member and detection trolley (10) dismantling connection being correspondingly arranged；
Each crossbeam telescoping member includes for the connection component (40) with described detection trolley (10) dismantling connection, the company
Connected components (40) include: the deck (41) for being arranged on the roller (11) of detection trolley (10), the deck (41)
It is equipped with multiple groups to be used for the locking member (42) of the deck (41) and the roller (11) locking, the deck (41) passes through more
The group locking member (42) and the roller (11) dismantling connection；
Each crossbeam telescoping member further includes erection support (50), and the crossbeam long axis (30) is slidably supported along its length
It is rotated on the erection support (50) and relative to the erection support (50), the connection component (40) and the erection support
(50) end is fixedly connected；It is equipped between the end and the connection component (40) of the crossbeam long axis (30) for providing edge
The elastic telescopic component (60) of crossbeam long axis (30) the axis direction telescopic resilience power, elastic telescopic component (60) setting
In on the erection support (50)；The end of the crossbeam long axis (30) is connected with the elastic telescopic component (60), the bullet
The end of property telescopic component (60) is against the connection component (40).
2. railroad track detection device according to claim 1, which is characterized in that
The deck (41) is in U-typed, is clamped on the roller (11) by its U-shaped card mouth；
The locking member (42) is clamping screw, when the deck (41) is clamped on the roller (11), the clamping screw
The two is locked after the deck (41) and the roller (11).
3. railroad track detection device according to claim 1, which is characterized in that
The elastic telescopic component (60) includes for providing the gas spring of telescopic resilience power (61) the one of the gas spring (61)
End is connected with the end of the crossbeam long axis (30), and another opposite end of the gas spring (61) is connected with for making the gas bullet
The gas spring state bridgeware (62) of off working state that spring (61) is in the working condition of stretching or loosens, the gas spring shape
The end of state bridgeware (62) is against the connection component (40).
4. railroad track detection device according to claim 3, which is characterized in that
The erection support (50) includes the horizontally disposed mounting base of telescopic direction (51) along the gas spring (61)；
The gas spring state bridgeware (62) includes the installation outer cover (621) in U-typed, and installation outer cover (621) is opened
Mouthful side is fixedly connected with the mounting base (51), end of installation outer cover (621) separate the gas spring (61) against
The connection component (40)；
The closed end of installation outer cover (621), which is equipped with, adjusts spanner (622), and the bottom end for adjusting spanner (622) is protruded into
In the inner cavity of installation outer cover (621), the bottom end for adjusting spanner (622) is also connected with tapered end (623), the gas spring
(61) end and the tapered end (623) are rotatablely connected, with when the adjusting spanner (622) rotation fixed angle, the lock
Head (623) and the internal chamber wall for installing outer cover (621) are supported so as to the gas spring (61) stretching or loosen.
5. railroad track detection device according to claim 4, which is characterized in that
The gas spring state bridgeware (62) further includes the connection step (624) in multi-stage stairs shape, the connection step
(624) be fixedly connected on the mounting base (51) and with the described installation end of outer cover (621) towards the gas spring (61)
Portion against；
The end of the gas spring (61) is protruded into the inner cavity of installation outer cover (621) after passing through connection step (624)
To be connected with the tapered end (623).
6. railroad track detection device according to claim 5, which is characterized in that
The elastic telescopic component (60) further includes the end and the gas spring (61) for being set to the crossbeam long axis (30)
The jointing (63) of the two is connected between end；
The end of the gas spring (61) and one end of the jointing (63) are hinged；
The end of the crossbeam long axis (30) and the other end dismantling connection of the jointing (63).
7. railroad track detection device according to claim 6, which is characterized in that
The erection support (50) further includes for installing the mounting flange (52) for supporting the crossbeam long axis (30), the installation
Flange (52) is fixedly attached on the mounting base (51)；
The end face of mounting flange (52) towards the gas spring (61) is fixedly connected with for the crossbeam long axis (30)
The guide pad (53) being oriented to；
The crossbeam long axis (30) is slidably installed in the mounting flange (52) and the guide pad (53), and the crossbeam is long
The end of axis (30) is pierced by the guide pad (53) and is connected afterwards with the jointing (63).
8. railroad track detection device according to claim 7, which is characterized in that
The crossbeam telescoping member further includes for the guide pad (53), the jointing (63) and the gas spring
(61) dust-proof dustproof encloser (70) is carried out, one end of the dustproof encloser (70) is connected with the mounting flange (52), described
The other end of dustproof encloser (70) is connected with the connection step (624).
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| CN201710470557.5A CN107059516B (en) | 2017-06-20 | 2017-06-20 | A kind of railroad track detection device |
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| CN107059516B true CN107059516B (en) | 2019-03-22 |
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| CN108072332A (en) * | 2018-01-23 | 2018-05-25 | 中国铁路上海局集团有限公司上海高铁维修段 | Mobile steel rail condition detecting system |
| CN117382697B (en) * | 2023-12-08 | 2024-03-05 | 中铁十九局集团第三工程有限公司 | Track slab detection device for railway engineering and application method thereof |
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| GB1154213A (en) * | 1965-07-05 | 1969-06-04 | Plasser Bahnbaumasch Franz | Improvements relating to Distance Gauges for Railway Track |
| CN101761004A (en) * | 2010-01-21 | 2010-06-30 | 中国人民解放军国防科学技术大学 | Rail detecting instrument for low and medium speed magnetic suspension F-type rail |
| CN101922133A (en) * | 2010-08-12 | 2010-12-22 | 上海铁路局科学技术研究所 | Intelligent track detector for high-efficiency measurement of track parameters |
| CN103205919A (en) * | 2013-04-03 | 2013-07-17 | 中铁第四勘察设计院集团有限公司 | Railway track geometrical morphology detector |
| CN203923823U (en) * | 2014-06-06 | 2014-11-05 | 广州南方测绘仪器有限公司 | Simple and easy track geometric parameter measurement instrument |
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| CN107059516A (en) | 2017-08-18 |
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