CN106702837A - Rapid steel-rail repairing device and rapid steel-rail repairing method - Google Patents
Rapid steel-rail repairing device and rapid steel-rail repairing method Download PDFInfo
- Publication number
- CN106702837A CN106702837A CN201710092195.0A CN201710092195A CN106702837A CN 106702837 A CN106702837 A CN 106702837A CN 201710092195 A CN201710092195 A CN 201710092195A CN 106702837 A CN106702837 A CN 106702837A
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- China
- Prior art keywords
- rail
- clamping plate
- steel
- breakage
- rapid
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/18—Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding; Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B11/00—Rail joints
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a rapid steel-rail repairing device and a rapid steel-rail repairing method. The rapid steel-rail repairing device is mounted on two sides of the breakage of a steel rail and used for rapidly repairing the steel rail; the rapid steel-rail repairing device comprises at least one group of two clamping plates and at least one rapid fixing unit; the clamping plates are made from non-conducting materials; each rapid fixing unit comprises rail lockers or elastic clamps. The clamping plates made from the polyurethane composite materials are parallelly arranged on rail waists of two sides of the breakage of the steel rail, carrying weight of the rapid repairing device used for repairing the steel rail temporarily is greatly reduced, and weight bearing of work maintenance personnel in routine patrol of the rail is lowered; by the adoption of the rapid fixing unit formed by the rail lockers or the elastic clamps, the clamping plates are fixed on the rail waists of the two sides of the breakage of the steel rail, and rapidness and convenience in mounting are achieved; in addition, electrical insulating property of the clamping plates ensures correction reaction of a rail circuit on real-time detection of the breakage of the steel rail; meanwhile, corrosion resistance of the clamping plates is also increased by the aid of the polyurethane composite materials, and traffic safety in increased.
Description
Technical field
The present invention relates to a kind of railroad track repairing technique field, more particularly to a kind of rail Quick repairing device and
Method.
Background technology
At present, railway technology has been widely used for countries in the world, especially recent high-speed rail technology, because being adapted to
China's national situation, so all the more important in national economy life.And railway technology mainly includes locomotive technology and railway technology
Two parts.Compared to the locomotive technology for increasingly improving, the raising of railway technology is relatively slow.
The track of current railway is still with steel track（Rail）Based on, two rail that usually be arranged in parallel are in row's rail
On pillow.Rail is always cracked in train long-play, and some are outside, and some are internal, but are mostly hardly possible
With what is visually seen.
In order to ensure traffic safety, rail needs regular maintenance, including two kinds of operations of line maintenance and rail examination.Circuit
Maintenance mainly maintain circuit physical dimension, and check fastener such as bolt etc. fastening and completely.And rail examination is then inspection
The abrasion situation and breakage of rail are looked into, judges whether rail needs to change, include findings that there is crackle on rail, or even rail
Situations such as fracture, rail regular maintenance is usually to detect completion by the work business daily patrol of attendant.
Once it was found that somewhere rail has crackle or disconnection, for traffic safety, the work business attendant must report at once,
And in order to do not influence train normal through, its need simultaneously take urgent reinforcement measure.In rail fracture or there is the tight of crackle
In the case of urgency, work business attendant needs the railways splint of the respective model carried with（Steel rail joint clamping plate）Phase
Mutually it is corresponding be buckled at rail fracture or cracks steel rail web both sides, and each extend over certain distance to two ends；On clamping plate
Hole correspond to each other, to install clamping plate.In conventional manner, then it is fixed by bore mode again, i.e., in clamping plate
Punched at the steel rail web of hole location, penetrate bolt, be fixedly connected the clamping plate of steel rail web both sides, so as to clip and solid
The rail in fracture or crack is set, so, train just can be with relatively low safe speed normal through the operation of without prejudice to train；
Again until the train travel of long period is spaced, described problem rail is replaced and is repaired completely.
Due to being fixed by way of the clamping plate to the drilling of the rail, taking too long, now railwayed height is not caught up with
The short window rhythm of density, so quickly fixed using lock rail device mode or elastic clip mode.The lock
Rail device generally comprises two top surfaces and a clamping bow, and one of top surface, i.e. fixed roof surface are fixedly connected on the clamping bow
One end, another top surface, movable top surface is fixedly connected a lock screw, and the lock screw is spirally connected and is worn by screw thread thereon
Cross the other end of the clamping bow.The elastic clip is then the U-shaped folder of high intensity that a metal is made.When in use, the lock rail device
Or the elastic clip, bypass rail foot and stretch to the clamping plate bottom, two top surface（Folder face）The rail is clamped respectively
The clamping plate of both sides, is fixed.Usual two locks rail device is set to one group, while being clipped in clamping plate two ends, reuses and takes with oneself
The speeder wrench locking lock rail device bolt of band, to fix the clamping plate；Or at least three elastic clip be set to one group, be sandwiched in respectively
The clamping plate middle part and two ends.
Crack or fracture to rail carry out the clamping plate used by temporary repair, since it is desired that enough mechanical strengths, therefore
Be all steel at present, weight is larger, track work be engaged in attendant it is daily patrol road when need to carry at least one metal of secondary two
Clamping plate, adds the metal latch rail device or elastic clip of at least one set of two, and the operation instrument such as spanner, just very inconvenient.
Meanwhile, whole rail system road network is generally distinguished into many block sections according to suitable distance, and each block section is with rail
Road insulating joint is separated, and forms each independent track circuit, and each interval starting point is all provided with relay and control signal machine
(light signal), for it is automatic, continuously detect whether this section of circuit is taken by rolling stock, be also used for control signal device or
Switching device, to ensure the traffic safety of follow-up train.Under normal circumstances, when two one steel rails are intact, and without train just in the section
During operation, the track circuit constitutes a complete loops, and the relay power is excitatory, and the green light of semaphore is lighted；And working as has
Train is run on this section of rail, and short circuit is formed because of conductive by train axle, causes the relay to lose electric current, is lost
Go the red light of magnetic, semaphore to light, follow-up train is warned.When rail has crack, the track current also will be disconnected
Open so that the relay will also lose electric current, magnetic is disappeared, and red light will also be lighted.Therefore, when in the prior art using steel
Clamping plate temporarily fix broken rails when because the clamping plate of steel be also electricity good conductor, therefore, when the breaking part because
Misplace split again for previous column train is crossed, the track current still can be turned on described by the clamping plate of the steel
Relay so that green light continues to light, so as to trigger the danger of follow-up driving.Therefore, cannot just be guaranteed using steel plate
Enough quick real-time detection is realized by track circuit means and track the situation at rail fracture.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of rail Quick repairing device and its peace
Dress method, is mitigating weight, portable at the same time it can also lift repairing efficiency, and convenient detection.
Technical scheme is as follows：
A kind of rail Quick repairing device, for being installed on both sides at a rail breakage, for Rapid-Repair rail, wherein, bag
Include at least one set of two clamping plate and an at least rapid fixing；The clamping plate is made from a material that be electrically non-conductive；It is described quick solid
Determining device includes lock rail device or elastic clip.
Described rail Quick repairing device, wherein, the non-conducting material includes compound polyurethane material, the clamping plate
It is made of fiber reinforcement polyurethane composite, the fiber reinforcement polyurethane composite is infiltrated using fibre reinforced materials
Polyurethane resin is made.
Described rail Quick repairing device, wherein, the polyurethane resin is by dual-component polyurethane Material synthesis, bag
Include：Isocyanates and polyalcohol, by weight proportion 1.2:1 to 1.4:1 synthesis.
Described rail Quick repairing device, wherein, the isocyanates uses polymeric MDI, the polyalcohol to use third
Triol polyoxypropylene compound.
Described rail Quick repairing device, wherein, the fibre reinforced materials includes glass fibre, carbon fiber, the Black Warrior
At least one of rock fiber, aramid fiber and polyethylene fiber material.
Described rail Quick repairing device, wherein, the lock rail device or elastic clip include one group at least two, along length
Directional spreding is on the clamping plate positioned at both sides at the rail breakage.
Described rail Quick repairing device, wherein, the elastic clip is one group at least six.
The rail fast repairing method of described device, wherein, including step：
A. the clamping plate is fitted from rail both sides and clamps the web of the rail at the rail breakage, and from rail breakage along described
The length direction of rail is extended to two ends;
B. the rapid fixing is respectively arranged at two ends at the rail breakage from the rail foot across the rail
In addition, and it is held within the clamping plate two ends.
Described rail fast repairing method, wherein, the step a also includes：
Contact surface between the clamping plate and the rail scribbles high-strength cementing agent, for strengthening the clamping plate by bonding mode
Clamp the rail.
Described rail fast repairing method, wherein, the high-strength cementing agent is two-component acrylate structural adhesive.
A kind of rail Quick repairing device provided by the present invention and method, are made up by using of compound polyurethane material
Clamping plate be set in parallel at rail breakage on the web of the rail of both sides, greatly reduce for temporary repair rail Rapid-Repair dress
The carrying weight put, reduces heavy burden of the work business attendant in the daily patrol of track；Constituted by locking rail device or elastic clip
Fixing device, the fixation clamping plate installs quick and convenient on the both sides web of the rail at the rail breakage；Also, it is described
The electrical insulating property of clamping plate also ensure that correct response of the track circuit to real-time detection at the rail breakage, meanwhile, it is described poly-
Urethane composite also increases the corrosion resistance of the clamping plate, increased traffic safety.
Brief description of the drawings
Fig. 1 be rail Quick repairing device of the present invention installation after overall side view.
Fig. 2 is the lock rail device structural representation of rail Quick repairing device of the present invention.
Fig. 3 be rail Quick repairing device of the present invention installation after schematic cross-section.
Reference：The lock rail of 5 clamping plate 6 device 611 fixes top at the rail breakage of 1 rail head, 2 web of the rail, 3 flange of rail 4
The lock screw of 62 clamping bow of face 612 movable top surface 63.
Specific embodiment
The invention provides a kind of rail Quick repairing device and method, to make the purpose of the present invention, technical scheme and effect
Fruit is clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should be appreciated that this place
The specific embodiment of description is only used to explain the present invention, is not intended to limit the present invention.
As shown in figure 1, rail Quick repairing device of the present invention includes being assemblied in the web of the rail of 4 both sides at rail breakage
On 2, for Rapid-Repair rail, at least one set of two clamping plate 5 and an at least rapid fixing, wherein, it is described soon
Fast fixing device includes one group at least two of lock rail device 6 or elastic clip, is distributed in along its length positioned at the rail breakage
Locate on the clamping plate 5 of 4 both sides.And the clamping plate 5 is made up of the material of non-conductive sufficient intensity, such as polyurethane composite
Material is made, including the skeleton and the polyurethane resin infiltration fibre reinforced materials that fibre reinforced materials is constituted.
In one embodiment of the present of invention, the fibre reinforced materials include glass fibre, carbon fiber, basalt fibre,
One or more of the material such as aramid fiber and polyethylene fibre, it is desirable to enough intensity, and can be with high score subtree
Fat material tight is combined.The fibre reinforced materials is preferably glass fiber material.
The polyurethane resin is synthesized using the polyurethane material of double-component.This dual-component polyurethane of the prior art
Material, is mixed to form by component A and B component, wherein, the component A is chosen as a kind of isocyanates of high response, for example, gather
Close MDI（Methyl diphenylene diisocyanate）, the B component is chosen as polyalcohol, such as glycerine polyoxypropylene compound（Polyethers
Polyol blends）.The component A isocyanates and the B component polyalcohol by weight proportion 1.2:1 to 1.4:1 mixing
The dual-component polyurethane resin is synthesized.Two kinds of component at least mixing and stirrings are stand-by.
The dual-component polyurethane resin infiltrates the fiber in 10-25 DEG C of temperature in the environment of pressure superatmospheric
The clamping plate skeleton that reinforcing material is constituted, forms the clamping plate 5 with excellent mechanical performances.
Table 1 is the mechanical property of dual-component polyurethane composite fiberglass material, from table 1, the poly- ammonia of double-component
The mechanical property of ester composite fiberglass material is more excellent, preferably for manufacturing the clamping plate 5.
Table 1：The mechanical property of dual-component polyurethane composite fiberglass material.
A piece conventional rail is generally made up of three parts, as shown in the schematic cross-section of Fig. 3, including rail head 1, the flange of rail 3,
And the middle relatively thin coupling part web of the rail 2.When work is engaged in attendant when inspecting the road, find on certain section of rail, it is usually described
Somewhere on rail head 1, with that may influence when at the rail breakage of traffic safety, as shown in overall side view after the installation of Fig. 1, one
The compound polyurethane material clamping plate 5 of group two will be separately positioned on 2 liang of the web of the rail of 4 lower section both sides rail at the rail breakage
On side, the two sides of the web of the rail 2 is fitted and is held on, while distinguishing at the rail breakage 4 two ends along the rail
Extend certain distance, the distance for being extended is determined by the length of the clamping plate 5 for being used, it is still further preferred that so that at the rail breakage
4, positioned at the clamping plate 5 close to mid-length position, are put down with the optimal stress obtained to 4 both sides rail at the rail breakage
Weighing apparatus）, the lock rail device 6 or elastic clip of at least one set two are reused across the rail foot, the clamping plate 5 is clamped, it is fixed to
On the steel rail web 2.
When being fixed using the mode of lock rail device 6, wherein, the structure of the lock rail device 6 as shown in Fig. 2 including
One fixed roof surface 611 and a movable top surface 612, and the clamping bow 62 connected between two top surfaces, the fixed roof surface 611 are fixed
One end of the clamping bow 62 is connected to, the movable top surface 612 is fixedly connected a lock screw 63, and the lock screw 63 passes through
Screw thread thereon is spirally connected and through the other end of the clamping bow 62.When mounted, the clamping bow 62 of the lock rail device 6 is from below
Across the rail flange of rail 3, relative clamping is placed with the rail from front for the fixed roof surface 611 and the movable top surface 612
Two clamping plates 5 of the both sides of waist 2, and by rotating the lock screw 63, two clamping plates 5 are fixed to the web of the rail
On 2：When rotated, the lock screw 63 produces moving forward and backward relative to the clamping bow 62, i.e. phase by screw thread rotation
For the fixed roof surface 611, the described movable top surface 612 being connected with the lock screw 63 is advanced or retracts, so that will
The clamping plate 5 for fitting in the both sides of the web of the rail 2 is clamped or loosened relative to the web of the rail 2.Two top surfaces of the lock rail device 6
The position of the clamping plate 5 is contacted and be held on, is arranged on from the rail breakage 4 to the rail two general relative symmetry
Hold on the clamping plate 5 for extending, be especially disposed proximate to the two ends end of the clamping plate 5, and the clamping plate termination that distance is each held has
At certain length, such as but not limited to 100mm-200mm；Can also be set more than one group two according to practical operation needs
Lock rail device 6, fixes 4 both sides at the rail breakage of the clamping plate 5 jointly.
When being fixed using the elastic clip mode, preferably using hexad elastic clip, along the clamping plate 5
Length direction, respectively from the bottom of the clamping plate 5, the dispersion fixation clamping plate 5, and it is scattered in the institute at two ends at the rail breakage
State on track.With fixed using the lock rail device 6 by the way of it is similar, the elastic clip from below across the rail flange of rail 3, its
Two folder faces clamp two clamping plates 5 from front is relative, so as to two clamping plates 5 are passed through into flexible fastening to the web of the rail
On 2.It is of course also possible to change the quantity of the lock rail device 6 or elastic clip according to actual needs, to reach to the clamping plate 5
More preferably fixed effect.
In one of the invention more preferably embodiment, it is also coated with the contact surface between the clamping plate 5 and the rail
High-strength cementing agent, such as but not limited to using two-component acrylate structural adhesive, to further enhance the folder by bonding
Clamping and fixation of the plate to the steel rail web 2.
The clamping plate 5 of the compound polyurethane material has good electrical insulating property, therefore can ensure to add on the rail
The track circuit of load, after rail fracture displacement, is off immediately, and point sends out a warning, and alerts follow-up train, so that
Prevent driving accident.
The clamping plate 5 of the compound polyurethane material, because employing polyurethane resin material, is compared to and uses metal material
Material, the clamping plate that such as Steel material is made, also with good decay resistance.
In sum, a kind of rail Quick repairing device provided by the present invention and method, are answered by using by polyurethane
The clamping plate that condensation material is made is set in parallel on the both sides web of the rail at rail breakage, is greatly reduced for temporary repair rail
Quick repairing device carrying weight, reduce work business heavy burden of the attendant in the daily patrol of track；By locking rail device
Or the rapid fixing mode that elastic clip is constituted, the fixation clamping plate is on the both sides web of the rail at rail breakage, and installation is quick
And it is convenient, effect is particularly evident on the increasingly flourishing and busy railway line of railway transportation for this, is totally different from prior art
Punching adds wasting time and energy for clamping plate repairing method；Also, the electrical insulating property of the clamping plate also ensure that track circuit to described broken
The correct response of rail real-time detection is damaged, is unlikely to appearance as caused by prior art using steel steel plate repairing method, i.e.,
Rail break is still caused that the normal situation of Continuity signal occurs, increased security, meanwhile, using the polyurethane
Composite also increases the corrosion resistance of the clamping plate, so as to increased the security of driving system from rail system angle.
It should be appreciated that application of the invention is not limited to above-mentioned citing, and for those of ordinary skills, can
To be improved according to the above description or converted, and all these modifications and variations should all belong to appended claims of the present invention
Protection domain.
Claims (10)
1. a kind of rail Quick repairing device, for being installed on both sides at a rail breakage, for Rapid-Repair rail, its feature
It is, including at least one set of two clamping plate and an at least rapid fixing；The clamping plate is made from a material that be electrically non-conductive；It is described
Rapid fixing includes lock rail device or elastic clip.
2. rail Quick repairing device according to claim 1, it is characterised in that the non-conducting material includes polyurethane
Composite, the clamping plate is made of fiber reinforcement polyurethane composite, and the fiber reinforcement polyurethane composite is adopted
Polyurethane resin is infiltrated with fibre reinforced materials to be made.
3. rail Quick repairing device according to claim 2, it is characterised in that the polyurethane resin is gathered by double-component
Urethane Material synthesis, including：Isocyanates and polyalcohol, by weight proportion 1.2:1 to 1.4:1 synthesis.
4. rail Quick repairing device according to claim 3, it is characterised in that the isocyanates uses polymeric MDI,
The polyalcohol uses glycerine polyoxypropylene compound.
5. according to any described rail Quick repairing device of claim 2 to 4, it is characterised in that the fibre reinforced materials
Including glass fibre, carbon fiber, basalt fibre, at least one of aramid fiber and polyethylene fiber material.
6. rail Quick repairing device according to claim 1, it is characterised in that the lock rail device or elastic clip include
Group at least two, is distributed at the rail breakage on the clamping plate of both sides along its length.
7. rail Quick repairing device according to claim 6, it is characterised in that the elastic clip is a group at least six
It is individual.
8. the rail fast repairing method of device according to claim 1, it is characterised in that including step：
A. the clamping plate is fitted from rail both sides and clamps the web of the rail at the rail breakage, and from rail breakage along institute
The length direction for stating rail is extended to two ends;
B. the rapid fixing is respectively arranged at two at the rail breakage from the rail foot across the rail
Beyond end, and it is held within the clamping plate two ends.
9. rail fast repairing method according to claim 8, it is characterised in that the step a also includes：
Contact surface between the clamping plate and the rail scribbles high-strength cementing agent, for strengthening the clamping plate by bonding mode
Clamp the rail.
10. rail fast repairing method according to claim 9, it is characterised in that the high-strength cementing agent is double-component
Acrylate structural adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710092195.0A CN106702837B (en) | 2017-02-21 | 2017-02-21 | A kind of rail Quick repairing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710092195.0A CN106702837B (en) | 2017-02-21 | 2017-02-21 | A kind of rail Quick repairing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106702837A true CN106702837A (en) | 2017-05-24 |
| CN106702837B CN106702837B (en) | 2018-10-26 |
Family
ID=58917052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710092195.0A Active CN106702837B (en) | 2017-02-21 | 2017-02-21 | A kind of rail Quick repairing device and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106702837B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898378A (en) * | 2019-03-04 | 2019-06-18 | 西南交通大学 | A kind of multiple construction method of permanent weldering of the double vehicle operations of gas-pressure weld rail vehicle |
| CN112752695A (en) * | 2018-09-24 | 2021-05-04 | 罗贝尔铁路建筑机械有限责任公司 | Monitoring device for monitoring a temporary rail connection of two rail sections of a rail and rail connection system having such a monitoring device |
| CN113026455A (en) * | 2021-04-09 | 2021-06-25 | 深圳市昱瑞光学有限公司 | Reinforcing device capable of reinforcing and repairing broken part of track |
| CN113502701A (en) * | 2021-08-17 | 2021-10-15 | 大连交通大学 | Damaged steel rail repairing and clamping device and repairing method |
| CN113960487A (en) * | 2021-09-02 | 2022-01-21 | 广西柳州钢铁集团有限公司 | Rapid repairing method for insulation short circuit fault of track circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3458131A (en) * | 1967-10-05 | 1969-07-29 | Alan D De Moss | Rail clamp |
| GB1255665A (en) * | 1969-05-27 | 1971-12-01 | Alan Drury Demoss | Railway rail clamp assembly |
| DE20311248U1 (en) * | 2003-07-21 | 2003-09-25 | Vieregge Elsethal Gmbh & Co A | Emergency fishplate connector for railway rail butt plate has curved arm supporting screw operated clamp to engage opposing sides of butt plate |
| JP2006002405A (en) * | 2004-06-16 | 2006-01-05 | Nippon Kido Kogyo Kk | Rail emergency treatment unit of tightly connected precast concrete track and rail emergency treatment method of tightly connected precast concrete track |
| CN202099701U (en) * | 2011-05-19 | 2012-01-04 | 上海铁路局科学技术研究所 | Reinforcement emergency device for damaged steel rail of high-speed railway |
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2017
- 2017-02-21 CN CN201710092195.0A patent/CN106702837B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3458131A (en) * | 1967-10-05 | 1969-07-29 | Alan D De Moss | Rail clamp |
| GB1255665A (en) * | 1969-05-27 | 1971-12-01 | Alan Drury Demoss | Railway rail clamp assembly |
| DE20311248U1 (en) * | 2003-07-21 | 2003-09-25 | Vieregge Elsethal Gmbh & Co A | Emergency fishplate connector for railway rail butt plate has curved arm supporting screw operated clamp to engage opposing sides of butt plate |
| JP2006002405A (en) * | 2004-06-16 | 2006-01-05 | Nippon Kido Kogyo Kk | Rail emergency treatment unit of tightly connected precast concrete track and rail emergency treatment method of tightly connected precast concrete track |
| CN202099701U (en) * | 2011-05-19 | 2012-01-04 | 上海铁路局科学技术研究所 | Reinforcement emergency device for damaged steel rail of high-speed railway |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112752695A (en) * | 2018-09-24 | 2021-05-04 | 罗贝尔铁路建筑机械有限责任公司 | Monitoring device for monitoring a temporary rail connection of two rail sections of a rail and rail connection system having such a monitoring device |
| CN109898378A (en) * | 2019-03-04 | 2019-06-18 | 西南交通大学 | A kind of multiple construction method of permanent weldering of the double vehicle operations of gas-pressure weld rail vehicle |
| CN113026455A (en) * | 2021-04-09 | 2021-06-25 | 深圳市昱瑞光学有限公司 | Reinforcing device capable of reinforcing and repairing broken part of track |
| CN113502701A (en) * | 2021-08-17 | 2021-10-15 | 大连交通大学 | Damaged steel rail repairing and clamping device and repairing method |
| CN113502701B (en) * | 2021-08-17 | 2023-02-24 | 大连交通大学 | Damaged steel rail repairing and clamping device and repairing method |
| CN113960487A (en) * | 2021-09-02 | 2022-01-21 | 广西柳州钢铁集团有限公司 | Rapid repairing method for insulation short circuit fault of track circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106702837B (en) | 2018-10-26 |
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