CN104120637A - Steel rail nondestructive reinforcing equipment - Google Patents
Steel rail nondestructive reinforcing equipment Download PDFInfo
- Publication number
- CN104120637A CN104120637A CN201410386609.7A CN201410386609A CN104120637A CN 104120637 A CN104120637 A CN 104120637A CN 201410386609 A CN201410386609 A CN 201410386609A CN 104120637 A CN104120637 A CN 104120637A
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- rail
- steel rail
- clamping plate
- harmless
- elastic clip
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Abstract
The invention discloses steel rail nondestructive reinforcing equipment which comprises an elastic clamp, a clamping plate and high-strength adhesives, wherein the elastic clamp is formed by being bent integrally. Geometrical shapes of the inner side, the upper side and the lower side of the clamping plate are matched with those of the middle part, the lower jaw and the rail bottom top surface of a steel rail respectively, the clamping plate adheres to the steel rail through the high-strength adhesives to form a whole, and the clamping plate is firmly locked on the steel rail through the elastic clamp. The steel rail nondestructive reinforcing equipment has the advantages that additional damage of drilling to the steel rail is avoided, reinforcement of the steel rail and a damaged steel rail at a weld joint is achieved under the undamaged condition, dynamic stress and bending stress of the steel rail are effectively reduced, and crack propagation and fracture of the steel rail and the damaged steel rail at the weld joint are prevented; clamping force is constant, the structure is simple, installation is convenient to carry out, and later maintenance loads are small; weld joints can be avoided; installation is free from the height restriction of a steel rail bottom surface ballast bed and the surface of a rail board, and the equipment can adapt to ballast tracks and various types of ballastless tracks; the equipment can be applied to nondestructive reinforcement of rail transit project intervals such as high speed railways, general speed railways, heavy haul railways and urban rail transit and steel rails in forked areas.
Description
Technical field
The invention belongs to railway track hurt reinforcing technique field, particularly relate to a kind of harmless ruggedized equipment of elastic holder type non-bolt rail that prevents various circuit steel rail welding line hurt fractures and the fracture of other hurt.
Background technology
Along with the development of China Express Railway, heavy haul railway, general fast railway and urban track traffic, in transported by steel rail rolling, train to collide with, run in rail process, producing the factor such as hurt and steel rail welding line fracture affects, easily there is slight wound in rail, especially at the steel rail weld joint place as track structure weak link (weld strength is difficult to reach and rail mother metal equal strength).
Because not reaching severely injured standard, slight wound rail do not change lower road before, if but it is not taked to reinforcement measure, it occurs after fracture, will directly affect traffic safety suddenly, causes very large pressure to railway department.The potential safety hazard producing for eliminating slight wound rail, railway department conventionally adopted on rail and holed in the past, and the mode of utilizing bolton that bulge clamping plate are installed strengthens preventing the fracture of rail slight wound.On the one hand, which adopts bolton, needs regularly bolt oiling to be twisted with multiple, has increased late maintaining maintenance load; This reinforcing mode need be holed on rail on the other hand, in reinforcing, easily rail is caused to additional injury, and this damage is presented as microfissure conventionally, is difficult to find, when serious, fracture suddenly easily occurs rail, threatens traffic safety.
Solving above-mentioned reinforcing mode, rail is caused to the way of additional injury problem is that the harmless ruggedized equipment of rail is installed, but the clamping plate locking device of the harmless ruggedized equipment of existing rail all adopts bolt fastening structure, its complex structure, heaviness, on-the-spot install inconvenient; And its clamping force is unstable, decay very fast, and rail defects and failures consolidation effect is greatly reduced, in addition, still need running check to safeguard.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, provide a kind of clamping force constant, simple in structure, on-the-spot easy for installation, the harmless ruggedized equipment of little, the adaptable non-bolt rail of late maintaining maintenance load.
The technical solution adopted in the present invention is: a kind of rail can't harm ruggedized equipment, comprises that one bends elastic clip, clamping plate and the high strength bonding agent forming; The geometry of inner side, upside and the downside of described clamping plate is suitable with the geometry of belly, lower jaw and the flange of rail end face of rail respectively, and clamping plate are bonding by high strength bonding agent and rail, formation one; When described elastic clip duty, fit tightly clamping plate lateral surface and rail foot surface.
Described clamping plate arranged outside bulge-structure, the contact site of bulge-structure and elastic clip is designed with suitable with it circular arc, and bulge-structure is up-narrow and down-wide.
Described bulge-structure is spaced along the longitudinal and is provided with the groove suitable with elastic clip geometry.
The middle part of described clamping plate inner side, upside and downside offers groove.
Described elastic clip is U-shaped.
Described elastic clip is sub-thread or bifilar.
Described elastic clip is that cross section is square platy structure, or cross section is square or circular column structure.
The invention has the beneficial effects as follows: avoid the additional injury of boring to rail, under the harmless condition of realization, the strengthening of commissure rail and damaged steel rail, effectively reduces rail dynamic bending stress, prevention commissure rail and damaged steel rail Crack Extension and fracture; For the structure that has no bolt, clamping force is constant, is difficult for decay under High-speed Train Loads, simple in structure, on-the-spot easy for installation, does not need regular oiling and multiple twisting, and effectively reduces late maintaining maintenance load; Between can contacting piece node, commissure, the optional position rail such as fastener node and damaged steel rail reinforce; Adopt appropriate design, can effectively dodge weld seam; The hurt that can adapt to dissimilar rail is reinforced; Install and be not subject to the height restriction of rail foot surface to railway roadbed (plate) or track plates surface, can adapt to Ballast track and all kinds non-fragment orbit; Can be applicable to the harmless reinforcing of the interval He Cha of the railway traffic engineerings such as high-speed railway, general fast railway, heavy haul railway and urban track traffic district rail.
Brief description of the drawings
Fig. 1 is the structural representation of the harmless ruggedized equipment of rail of the present invention;
Fig. 2 is the structural representation of the harmless ruggedized equipment clamping plate of rail of the present invention;
Fig. 3 is one of perspective view of the harmless ruggedized equipment clamping plate of rail of the present invention;
Fig. 4 be the harmless ruggedized equipment clamping plate of rail of the present invention perspective view two;
Fig. 5 is that elastic clip cross section of the present invention is the schematic diagram of square tabular stereochemical structure;
Fig. 6 is that sub-thread elastic clip cross section of the present invention is square column perspective view;
Fig. 7 is that the bifilar elastic clip cross section of the present invention is square column perspective view;
Fig. 8 is that sub-thread elastic clip cross section of the present invention is circular column perspective view;
Fig. 9 is that the bifilar elastic clip cross section of the present invention is circular column perspective view;
Figure 10 be the harmless ruggedized equipment clamping plate of rail of the present invention perspective view three;
Figure 11 be the harmless ruggedized equipment clamping plate of rail of the present invention perspective view four;
Figure 12 be the harmless ruggedized equipment clamping plate of rail of the present invention perspective view five.
In figure:
1. rail 2. clamping plate 3. elastic clips
4. high strength bonding agent 5. sleepers or track.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
As shown in Figure 1, rail of the present invention can't harm ruggedized equipment, comprises that one bends the elastic clip 3, clamping plate 2 and the high strength bonding agent 4 that form; The geometry of inner side, upside and the downside of described clamping plate 2 is suitable with the geometry of belly, lower jaw and the flange of rail end face of rail 1 respectively, the geometry of clamping plate 2 can be adjusted according to rail profile, the reinforcing of the dissimilar rail such as adaptation 50,60,75kg/m; Inner side, upside and the downside of clamping plate 2 is bonded in belly, lower jaw and the flange of rail end face of rail 1 by high strength bonding agent 4, form one with rail, increase the working sections area of rail, effectively reduce the dynamic bending stress of rail under High-speed Train Loads, prevention commissure rail and damaged steel rail Crack Extension and fracture; When described elastic clip 3 duty, fit tightly clamping plate lateral surface and rail foot surface, secure lock clamping plate 2.It should be noted that, when installation, elastic clip 3 has been avoided sleeper or track 5.
As shown in Figures 2 and 3, described clamping plate 2 arranged outside bulge-structures 21, bulge-structure 21 is designed with suitable with it circular arc with the contact site of elastic clip 3, and bulge-structure 21 is up-narrow and down-wide, when elastic clip 3 duty can effectively be prevented, because of High-speed Train Loads landing, affect traffic safety; The bulge-structure 21 of clamping plate 2 is longitudinally elongated structure along clamping plate, can ensure that elastic clip 3 locks clamping plate 2 at diverse location, between contacting piece node, commissure, the optional position rail such as fastener node and damaged steel rail reinforce.In addition, when clamping plate 2 are installed, exist under weld seam situation at damaged steel rail, for dodging steel rail welding line, groove 22 is offered at the middle part of clamping plate 2 inner sides, upside and downside; And do not exist under weld seam situation at damaged steel rail, groove is not offered at clamping plate 2 middle parts, is elongated structure, as shown in Figure 4.
As shown in Figure 5, described elastic clip 3 can be that cross section is square platy structure; Described elastic clip 3 can be also that cross section is square column structure, as shown in Figures 6 and 7; Described elastic clip 3 can also be that cross section is circular column structure, as shown in FIG. 8 and 9.Because bending rigidity square under the same terms and bending resistant section coefficient are all greater than circle, therefore cross section be square elastic clip than circle, larger clamping force can not only be provided, and can also better reduce the flexural stress of structure; Platy structure is than column structure, and production process is simple, is easier to shape.When practical application, can require and shape requirement according to clamping force and adopt rational structural shape.
As shown in Fig. 6,7,8 and 9, for meeting the physical dimension requirement of Ballast track and all kinds non-fragment orbit, described elastic clip 3 can be designed to U-shaped sub-thread structure, also can be designed to U-shaped bifilar structure; When rail foot surface is to hour employing sub-thread structure of distance on railway roadbed (plate) or track plates surface, distance adopts bifilar structure when larger.
As shown in Figure 10,11 and 12, for elastic clip 3 is realized to longitudinal spacing, the bulge-structure 21 of clamping plate 2 can be spaced along the longitudinal respectively and be provided with square tabular groove 23, square column groove 24 and the circular cylindrical shape groove 25 suitable with elastic clip geometry.
The harmless ruggedized equipment clamping force of rail of the present invention is constant, simple in structure, scene is easy for installation, late maintaining maintenance load is little, strong adaptability, can be widely used in the interval He Cha of the railway traffic engineerings such as high-speed railway, general fast railway, heavy haul railway and urban track traffic district, Ballast track and all kinds non-fragment orbit, the harmless reinforcing of dissimilar rail, effectively reduce rail dynamic bending stress, the fracture of prevention rail slight wound, guarantee driving safety.
Claims (7)
1. the harmless ruggedized equipment of rail, is characterized in that, comprises that one bends elastic clip, clamping plate and the high strength bonding agent forming; The geometry of inner side, upside and the downside of described clamping plate is suitable with the geometry of belly, lower jaw and the flange of rail end face of rail respectively, and clamping plate are bonding by high strength bonding agent and rail, formation one; When described elastic clip duty, fit tightly clamping plate lateral surface and rail foot surface.
2. the harmless ruggedized equipment of rail according to claim 1, is characterized in that, described clamping plate arranged outside bulge-structure, and the contact site of bulge-structure and elastic clip is designed with suitable with it circular arc, and bulge-structure is up-narrow and down-wide.
3. the harmless ruggedized equipment of rail according to claim 2, is characterized in that, described bulge-structure is spaced along the longitudinal and is provided with the groove suitable with elastic clip geometry.
4. the harmless ruggedized equipment of rail according to claim 1, is characterized in that, the middle part of described clamping plate inner side, upside and downside offers groove.
5. the harmless ruggedized equipment of rail according to claim 1, is characterized in that, described elastic clip is U-shaped.
6. the harmless ruggedized equipment of rail according to claim 1, is characterized in that, described elastic clip is sub-thread or bifilar.
7. the harmless ruggedized equipment of rail according to claim 1, is characterized in that, described elastic clip is that cross section is square platy structure, or cross section is square or circular column structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410386609.7A CN104120637A (en) | 2014-03-17 | 2014-08-06 | Steel rail nondestructive reinforcing equipment |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118864 | 2014-03-17 | ||
| CN201420118864.9 | 2014-03-17 | ||
| CN201410386609.7A CN104120637A (en) | 2014-03-17 | 2014-08-06 | Steel rail nondestructive reinforcing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104120637A true CN104120637A (en) | 2014-10-29 |
Family
ID=51766254
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420442906.4U Active CN204139004U (en) | 2014-03-17 | 2014-08-06 | Rail can't harm ruggedized equipment |
| CN201410386609.7A Pending CN104120637A (en) | 2014-03-17 | 2014-08-06 | Steel rail nondestructive reinforcing equipment |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420442906.4U Active CN204139004U (en) | 2014-03-17 | 2014-08-06 | Rail can't harm ruggedized equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN204139004U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059513A (en) * | 2017-06-15 | 2017-08-18 | 中铁(衡水)工务器材有限公司 | The expansion tool and installation method of the lossless bracing means of elastic holder type rail |
| 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 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204139004U (en) * | 2014-03-17 | 2015-02-04 | 铁道第三勘察设计院集团有限公司 | Rail can't harm ruggedized equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2545247Y (en) * | 2002-04-12 | 2003-04-16 | 林闽福 | Quich rail reinforcing protection device for railway |
| JP3900297B2 (en) * | 2004-12-01 | 2007-04-04 | 西日本旅客鉄道株式会社 | Rail first aid for slab track and rail first aid method for slab track |
| CN201400842Y (en) * | 2008-05-23 | 2010-02-10 | 保利莫利克公司 | Device for fixing first and second track sealing elements on two opposite sides of track |
| CN101845775A (en) * | 2010-05-27 | 2010-09-29 | 郑州昌盛铁路工务科技发展有限公司 | Rail failure reinforcing device |
| CN204139004U (en) * | 2014-03-17 | 2015-02-04 | 铁道第三勘察设计院集团有限公司 | Rail can't harm ruggedized equipment |
-
2014
- 2014-08-06 CN CN201420442906.4U patent/CN204139004U/en active Active
- 2014-08-06 CN CN201410386609.7A patent/CN104120637A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2545247Y (en) * | 2002-04-12 | 2003-04-16 | 林闽福 | Quich rail reinforcing protection device for railway |
| JP3900297B2 (en) * | 2004-12-01 | 2007-04-04 | 西日本旅客鉄道株式会社 | Rail first aid for slab track and rail first aid method for slab track |
| CN201400842Y (en) * | 2008-05-23 | 2010-02-10 | 保利莫利克公司 | Device for fixing first and second track sealing elements on two opposite sides of track |
| CN101845775A (en) * | 2010-05-27 | 2010-09-29 | 郑州昌盛铁路工务科技发展有限公司 | Rail failure reinforcing device |
| CN204139004U (en) * | 2014-03-17 | 2015-02-04 | 铁道第三勘察设计院集团有限公司 | Rail can't harm ruggedized equipment |
Non-Patent Citations (1)
| Title |
|---|
| 张建强: "伤损钢轨无损加固技术及装备研究", 《上海铁道科技》, no. 3, 31 March 2011 (2011-03-31) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059513A (en) * | 2017-06-15 | 2017-08-18 | 中铁(衡水)工务器材有限公司 | The expansion tool and installation method of the lossless bracing means of elastic holder type rail |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204139004U (en) | 2015-02-04 |
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| C06 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141029 |
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| WD01 | Invention patent application deemed withdrawn after publication |