CN108239897A - A kind of rail overlapping device detecting tool - Google Patents
A kind of rail overlapping device detecting tool Download PDFInfo
- Publication number
- CN108239897A CN108239897A CN201810064180.8A CN201810064180A CN108239897A CN 108239897 A CN108239897 A CN 108239897A CN 201810064180 A CN201810064180 A CN 201810064180A CN 108239897 A CN108239897 A CN 108239897A
- Authority
- CN
- China
- Prior art keywords
- overlapping device
- rail overlapping
- detecting tool
- upper bracket
- device detecting
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 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 description 14
- 238000010276 construction Methods 0.000 claims 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012795 verification Methods 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
- E01B35/12—Applications of measuring apparatus or devices for track-building purposes for measuring movement of the track or of the components thereof under rolling loads, e.g. depression of sleepers, increase of gauge
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The present invention provides a kind of rail overlapping device detecting tool, including：Upper bracket, lower carriage, mounting base and augmentor.The width direction of upper bracket along rail overlapping device is arranged in the top of switch tie, the lower carriage bottom for being arranged in switch tie corresponding with upper bracket, and upper bracket and lower bracket and interconnects in an array manner.Mounting base is arranged in the both ends of upper bracket, and augmentor is arranged in mounting base.It does not need to be fixed in ground and stretch resistance and stroke testing requirement with regard to rail overlapping device can be met, therefore will not have an impact and cause inconvenience to track switch.
Description
Technical field
The invention belongs to railway switch technical fields, and in particular to a kind of rail overlapping device detecting tool.
Background technology
Rail overlapping device is stretched by stock rail or tongue stretches to coordinate longitudinal position of bridge and gapless track
It moves.For the correctness and standard compliance of verification rail overlapping device manufacture, the examination of flexible resistance and stroke is carried out
Test tries.It stretches resistance and stroke to detect rail overlapping device, needs to use rail overlapping device detecting tool.
At present flexible resistance detecting tool be all that tooling is fixed in ground to ensure that it is not moved during testing inspection
Dynamic, detecting tool does not move the accuracy of ability guarantee test detection data only in detection process, still, will detect work
Dress partial devices embedment underground must just excavate ground, and excavating ground influences track switch very big, extremely inconvenience.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of rail overlapping device detection
Tooling is not needed to be fixed in ground and be stretched resistance and stroke testing requirement with regard to that can meet rail overlapping device.
In order to solve the above-mentioned technical problem, technical solution proposed by the present invention is：
A kind of rail overlapping device detecting tool, including：Upper bracket, lower carriage, mounting base and augmentor.Upper bracket
It is arranged in the top of switch tie, lower carriage arrangement corresponding with upper bracket in an array manner along the width direction of rail overlapping device
In the bottom of switch tie, and upper bracket and lower bracket interconnect.Mounting base is arranged in the both ends of upper bracket, augmentor
It is arranged in mounting base.
Rail overlapping device detection device according to the present invention, including the upper branch being arranged at the top and bottom of switch tie
Frame and lower carriage and the mounting base being connect with upper bracket, augmentor are directly arranged in mounting base, and augmentor can carry
Arch thrust pushes stock rail or tongue to stretch.It can be seen that all parts are not embedded to underground or are connect with ground,
Therefore avoid in the prior art due to by detecting tool partial devices be embedded to underground and caused by excavate ground to track switch
It is inconvenient with caused by influence.
For above-mentioned technical proposal, the further improvement that can be also discussed below.
Rail overlapping device detecting tool according to the present invention, in one preferred embodiment, specifically, installation
Seat includes pedestal and the installing plate being arranged on pedestal, and augmentor arranges that pedestal is connect with upper bracket end on a mounting board.
Mounting base is connect with upper bracket both ends, and the upper bracket connection that can arrange array forms a whole, and improves entire tooling
Reliability.
Further, in one preferred embodiment, pedestal is equipped with the width direction along rail overlapping device
The waist-shaped hole of arrangement.The waist-shaped hole set on pedestal can allow the installing plate of arrangement augmentor along rail stroke tune
The width direction of section device is adjusted, so as to meet the installation of the rail overlapping device of different in width.
Further, in one preferred embodiment, installing plate is equipped with the width along rail overlapping device
The waist-shaped hole of direction arrangement.The waist-shaped hole set on installing plate can allow augmentor along rail overlapping device
Width direction is adjusted, so as to further meet the installation of the rail overlapping device of different in width.
Specifically, in one preferred embodiment, upper bracket is configured to sequentially connected vertical by several sections of H profile steels
Beam.The upper bracket for being used to support rail overlapping device of H profile steel structure is configured to, it is on the one hand simple in structure, so that raw
Production manufacture is at low cost, on the other hand so that the assembling and fixation of tooling are simple and convenient.
Further, in one preferred embodiment, the H profile steel both ends are equipped with flanged plate.By in H profile steel section
Both ends setting flanged plate, easily H profile steel section removably can be connected, so as to quickly and easily adjust
The length of upper bracket is to meet the installation of the rail overlapping device of different length.It in addition, can be with by the flanged plate of setting
Realize fine tuning of the augmentor in the length direction along rail overlapping device.
Specifically, in one preferred embodiment, lower carriage is configured to channel steel structure.It is configured under channel steel structure
Stent, it is on the one hand simple in structure, so that manufacturing cost is low, on the other hand so that the assembling and fixation of tooling are simple
It is convenient.
Specifically, in one preferred embodiment, upper bracket is connect with lower carriage by half-round head square neck bolt.Into
One step, in one preferred embodiment, lower carriage is equipped with waist-shaped hole.Pass through half-round head square neck bolt and waist-shaped hole
Cooperation can be played the role of preventing half-round head square neck bolt from rotating, so as to further be conducive to detecting tool in detection process
It keeps stablizing, does not generate movement.
Further, in one preferred embodiment, it is equal between lower carriage and switch tie between upper bracket and switch tie
Equipped with rubber cushion.By setting rubber cushion, can play the role of protecting rail overlapping device switch tie.
Compared with prior art, the advantage of the invention is that：It does not need to be fixed in ground and be adjusted with regard to rail stroke can be met
Device stretches resistance and stroke testing requirement, therefore will not have an impact and cause inconvenience to track switch.
Description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
Fig. 1 schematically illustrates the rail overlapping device detecting tool of the embodiment of the present invention；
Fig. 2 schematically illustrates the installation condition of the rail overlapping device detecting tool of the embodiment of the present invention；
Fig. 3 schematically illustrates the mounting base of the embodiment of the present invention；
Fig. 4 schematically illustrates the mounting base and augmentor of the embodiment of the present invention；
Fig. 5 schematically illustrates the lower carriage of the embodiment of the present invention and the mated condition of half-round head square neck bolt.
In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not drawn according to practical ratio.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments, but does not therefore limit this
The protection domain of invention.
Fig. 1 schematically illustrates the rail overlapping device detecting tool 10 of the embodiment of the present invention.Fig. 2 is schematically illustrated
The installation condition of the rail overlapping device detecting tool 10 of the embodiment of the present invention.Fig. 3 schematically illustrates the embodiment of the present invention
Mounting base 3.Fig. 4 schematically illustrates the mounting base 3 of the embodiment of the present invention and augmentor 4.Fig. 5 schematically illustrates this hair
The lower carriage 2 of bright embodiment and the mated condition of half-round head square neck bolt 6.
As shown in Figures 1 to 4, the rail overlapping device detecting tool 10 of the embodiment of the present invention, including：Upper bracket 1, under
Stent 2, mounting base 3 and augmentor 4；Upper bracket 1 is arranged in an array manner along the width direction of rail overlapping device
The top of switch tie 9, the bottom for being arranged in switch tie 9 corresponding with upper bracket 1 of lower carriage 2, and upper bracket 1 is mutually connected with lower carriage 2
It connects.Mounting base 3 is arranged in the both ends of upper bracket 1, and augmentor 4 is arranged in mounting base 3.The rail of the embodiment of the present invention
Expansion and cotraction regulator detection device, including the upper bracket and lower bracket being arranged at the top and bottom of switch tie and and upper bracket
The mounting base of connection, augmentor are directly arranged in mounting base, and augmentor is capable of providing thrust and pushes stock rail or tongue
It stretches.It can be seen that all parts are not embedded to underground or are connect with ground, thus avoid in the prior art by
In detecting tool partial devices are embedded to underground and caused by excavate influence and inconvenience of the ground to track switch.
Specifically, as depicted in figs. 1 and 2, in one preferred embodiment, upper bracket 1 is configured to by several sections of H-types
11 sequentially connected structure of steel.It is configured to the upper bracket for being used to support rail overlapping device of H profile steel structure, one side structure
Simply, so that manufacturing cost is low, on the other hand so that the assembling and fixation of tooling are simple and convenient.Further, exist
In one preferred embodiment, 11 both ends of H profile steel are equipped with flanged plate 5.By setting flange at the both ends of H profile steel section
Plate easily can removably connect H profile steel section, so as to quickly and easily adjust the length of upper bracket with
Meet the installation of the rail overlapping device of different length.In addition, it can also realize that augmentor exists by the flanged plate of setting
Along the fine tuning of the length direction of rail overlapping device.Specifically, in one preferred embodiment, lower carriage 2 is configured to
21 structure of channel steel.The lower carriage of channel steel structure is configured to, it is on the one hand simple in structure, so that manufacturing cost is low, it is another
Aspect so that the assembling and fixation of tooling are simple and convenient.As shown in Figure 1, in one preferred embodiment, the present invention is implemented
The rail overlapping device detecting tool 10 of example, including 3 groups of upper brackets being arranged in juxtaposition 1, upper bracket 1 includes 2 sections of H profile steels 11,
The both ends of every section of H profile steel are welded with flanged plate 5, and the length of upper bracket 1 can freely be adjusted by adjusting the hop count of H profile steel 11
Section；3 groups of lower carriages 2 are correspondingly arranged with upper bracket 1, and every group of lower carriage 2 is made of several channel steels 21, and length can be adjusted freely
Section；2 mounting bases 3 are arranged in the both ends of 3 groups of upper brackets 1, are connected by the flanged plate 5 of 11 end of H profile steel, each mounting base 3
2 installing plates 32 are equipped with, therefore, correspondingly, each installing plate 32 is equipped with 1 augmentor 4.Just like Fig. 2 and Fig. 5 institutes
Show, specifically, in one preferred embodiment, upper bracket 1 is connect with lower carriage 2 by half-round head square neck bolt 6.Into one
Step ground, in one preferred embodiment, lower carriage 2 is equipped with waist-shaped hole 7.Pass through half-round head square neck bolt and waist-shaped hole
Cooperation can be played the role of preventing half-round head square neck bolt from rotating, so as to further be conducive to detecting tool in detection process
It keeps stablizing, does not generate movement.
The rail overlapping device detecting tool 10 of the embodiment of the present invention, in one preferred embodiment, such as Fig. 3 and
Shown in Fig. 4, specifically, mounting base 3 includes pedestal 31 and the installing plate 32 being arranged on pedestal 31, and augmentor 4 is arranged in peace
In loading board 32, pedestal 31 is connect with 1 end of upper bracket.Mounting base is connect with upper bracket both ends, the upper branch that can arrange array
Frame connection forms a whole, and improves the reliability of entire tooling.Further, in one preferred embodiment, pedestal
31 are equipped with the waist-shaped hole 7 arranged along the width direction of rail overlapping device.The waist-shaped hole set on pedestal can cause cloth
Putting the installing plate of augmentor can be adjusted along the width direction of rail overlapping device, so as to meet different in width
Rail overlapping device installation.Further, in one preferred embodiment, installing plate 32 is equipped with along rail
The waist-shaped hole 7 of the width direction arrangement of expansion and cotraction regulator.The waist-shaped hole set on installing plate, can allow augmentor edge
The width direction of rail overlapping device is adjusted, so as to further meet the rail overlapping device of different in width
Installation.
The rail overlapping device detecting tool 10 of the embodiment of the present invention, further, in a preferred embodiment
In, as shown in Fig. 2, rubber cushion 8 is equipped between upper bracket 1 and switch tie 9 between lower carriage 2 and switch tie 9.By setting rubber cushion,
It can play the role of protecting rail overlapping device switch tie.
According to above-described embodiment, it is seen that rail overlapping device detecting tool of the present invention does not need to be fixed on ground
It stretches resistance and stroke testing requirement with regard to rail overlapping device can be met in base, therefore track switch will not be had an impact and be made
Into inconvenience.
Although by reference to preferred embodiment, invention has been described, in the situation for not departing from the scope of the present invention
Under, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, it to be rushed as long as there is no structures
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited in texts
Disclosed in specific embodiment, but all technical solutions including falling within the scope of the appended claims.
Claims (10)
1. a kind of rail overlapping device detecting tool, which is characterized in that including：Upper bracket, lower carriage, mounting base and reinforcing dress
It puts；
The width direction of the upper bracket along rail overlapping device is arranged in the top of switch tie, the lower branch in an array manner
The frame bottom for being arranged in switch tie corresponding with the upper bracket, and the upper bracket and the lower carriage interconnect；
The mounting base is arranged in the both ends of the upper bracket, and the augmentor is arranged in the mounting base.
2. rail overlapping device detecting tool according to claim 1, which is characterized in that the mounting base includes pedestal
With the installing plate being arranged on the pedestal, the augmentor is arranged on the installing plate, the pedestal and the upper branch
Frame end portion connects.
3. rail overlapping device detecting tool according to claim 2, which is characterized in that the pedestal is equipped with along steel
The waist-shaped hole of the width direction arrangement of rail expansion and cotraction regulator.
4. the rail overlapping device detecting tool according to Claims 2 or 3, which is characterized in that set on the installing plate
There is the waist-shaped hole along the width direction arrangement of rail overlapping device.
5. rail overlapping device detecting tool according to any one of claim 1 to 4, which is characterized in that on described
Framework construction is by several sections of sequentially connected longerons of H profile steel.
6. rail overlapping device detecting tool according to claim 5, which is characterized in that the H profile steel both ends are equipped with
Flanged plate.
7. rail overlapping device detecting tool according to any one of claim 1 to 6, which is characterized in that under described
Framework construction is channel steel structure.
8. rail overlapping device detecting tool according to any one of claim 1 to 7, which is characterized in that on described
Stent is connect with the lower carriage by half-round head square neck bolt.
9. rail overlapping device detecting tool according to claim 8, which is characterized in that the lower carriage is equipped with waist
Type hole.
10. rail overlapping device detecting tool according to any one of claim 1 to 9, which is characterized in that on described
Between stent and switch tie rubber cushion is equipped between the lower carriage and switch tie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064180.8A CN108239897B (en) | 2018-01-23 | 2018-01-23 | Detection tool for steel rail telescopic regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064180.8A CN108239897B (en) | 2018-01-23 | 2018-01-23 | Detection tool for steel rail telescopic regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108239897A true CN108239897A (en) | 2018-07-03 |
| CN108239897B CN108239897B (en) | 2023-12-12 |
Family
ID=62698600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810064180.8A Active CN108239897B (en) | 2018-01-23 | 2018-01-23 | Detection tool for steel rail telescopic regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108239897B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001090001A (en) * | 1999-09-27 | 2001-04-03 | Sumihatsu:Kk | Electrical snowmelt equipment for turnout |
| US20020040952A1 (en) * | 2000-10-05 | 2002-04-11 | Markus Steinmann | Device for setting symmetry in a railway switch system |
| JP2004019240A (en) * | 2002-06-17 | 2004-01-22 | East Japan Railway Co | Rail direct-coupling device for switch |
| JP2007051474A (en) * | 2005-08-18 | 2007-03-01 | Sekisui Chem Co Ltd | Sleeper connecting structure and its manufacturing method |
| CN101432485A (en) * | 2006-04-27 | 2009-05-13 | 马克斯·博格建筑两合公司 | Track and method for production of prefabricated concrete panels |
| CN203128953U (en) * | 2013-03-19 | 2013-08-14 | 中国铁建重工集团有限公司 | Sliding component for railway movable point rail frog |
| EP2703559A1 (en) * | 2012-08-29 | 2014-03-05 | Siemens Schweiz AG | Hollow sleeper with a configurable fixing of the ribbed panels for a set of points |
| CN104179080A (en) * | 2014-09-10 | 2014-12-03 | 洛阳双瑞橡塑科技有限公司 | Vibration reduction turnout pedestal system and assembly method |
| CN104499383A (en) * | 2014-12-31 | 2015-04-08 | 成都市新筑路桥机械股份有限公司 | Channel rail expansion adjustor |
| CN104894925A (en) * | 2015-04-10 | 2015-09-09 | 同济大学 | Modularized steel structure track bed with adjustable gauge |
| CN204849494U (en) * | 2015-07-29 | 2015-12-09 | 中国铁道科学研究院铁道建筑研究所 | Rail expansion device suitable for curve and sharp location |
| WO2016081962A1 (en) * | 2014-11-28 | 2016-06-02 | Voestalpine Signaling Zeltweg Gmbh | Trough sleeper comprising substantially u-shaped cross-section |
| CN207828717U (en) * | 2018-01-23 | 2018-09-07 | 中国铁建重工集团有限公司 | A kind of rail overlapping device detecting tool |
-
2018
- 2018-01-23 CN CN201810064180.8A patent/CN108239897B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001090001A (en) * | 1999-09-27 | 2001-04-03 | Sumihatsu:Kk | Electrical snowmelt equipment for turnout |
| US20020040952A1 (en) * | 2000-10-05 | 2002-04-11 | Markus Steinmann | Device for setting symmetry in a railway switch system |
| JP2004019240A (en) * | 2002-06-17 | 2004-01-22 | East Japan Railway Co | Rail direct-coupling device for switch |
| JP2007051474A (en) * | 2005-08-18 | 2007-03-01 | Sekisui Chem Co Ltd | Sleeper connecting structure and its manufacturing method |
| CN101432485A (en) * | 2006-04-27 | 2009-05-13 | 马克斯·博格建筑两合公司 | Track and method for production of prefabricated concrete panels |
| EP2703559A1 (en) * | 2012-08-29 | 2014-03-05 | Siemens Schweiz AG | Hollow sleeper with a configurable fixing of the ribbed panels for a set of points |
| CN203128953U (en) * | 2013-03-19 | 2013-08-14 | 中国铁建重工集团有限公司 | Sliding component for railway movable point rail frog |
| CN104179080A (en) * | 2014-09-10 | 2014-12-03 | 洛阳双瑞橡塑科技有限公司 | Vibration reduction turnout pedestal system and assembly method |
| WO2016081962A1 (en) * | 2014-11-28 | 2016-06-02 | Voestalpine Signaling Zeltweg Gmbh | Trough sleeper comprising substantially u-shaped cross-section |
| CN104499383A (en) * | 2014-12-31 | 2015-04-08 | 成都市新筑路桥机械股份有限公司 | Channel rail expansion adjustor |
| CN104894925A (en) * | 2015-04-10 | 2015-09-09 | 同济大学 | Modularized steel structure track bed with adjustable gauge |
| CN204849494U (en) * | 2015-07-29 | 2015-12-09 | 中国铁道科学研究院铁道建筑研究所 | Rail expansion device suitable for curve and sharp location |
| CN207828717U (en) * | 2018-01-23 | 2018-09-07 | 中国铁建重工集团有限公司 | A kind of rail overlapping device detecting tool |
Non-Patent Citations (2)
| Title |
|---|
| "RESIDUAL STRESS AROUND RAIL BOLT HOLES AFTER COLD-EXPANSION", 北京科技大学学报(英文版), no. 003 * |
| 段翔远;刘亚航;陈嵘;: "钢轨伸缩调节器对桥上无缝道岔的影响", 中国铁路, no. 11 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108239897B (en) | 2023-12-12 |
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Address after: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Hunan Province Applicant after: China Railway Construction Heavy Industry Group Co.,Ltd. Address before: 410100 88 East seven road, Changsha economic and Technological Development Zone, Hunan Applicant before: China Railway Construction Heavy Industry Co.,Ltd. |
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