CN104499383A - Channel rail expansion adjustor - Google Patents
Channel rail expansion adjustor Download PDFInfo
- Publication number
- CN104499383A CN104499383A CN201410844779.5A CN201410844779A CN104499383A CN 104499383 A CN104499383 A CN 104499383A CN 201410844779 A CN201410844779 A CN 201410844779A CN 104499383 A CN104499383 A CN 104499383A
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- China
- Prior art keywords
- rail
- groove
- shape
- clamping plate
- expansion
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B21/00—Track superstructure adapted for tramways in paved streets
- E01B21/04—Special fastenings, joint constructions, or tie-rods
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a channel rail expansion adjustor. A gap L is arranged between two butted channel rails, the channel rail expansion adjustor comprises a box, a clamping plate A, a clamping plate B, cover plates, a rail brace and a rail brace distance adjustment block, the clamping plate A is arranged at the outer side of the joint between the channel rail A and the channel rail B, and the clamping plate B is arranged at the inner side of the joint between the channel rail A and the channel rail B; the rail brace is shaped like an L, the vertical section of the L is in contact with the clamping plate A, and the horizontal section of the L is fixed at the inner side of the bottom plate of the box through the rail brace distance adjustment block; the ends of the butted section of the channel rails are provided with transversely through slotted holes, horizontal bolts sequentially run through the clamping plate B, the slotted holes of the channel rails, the clamping plate A and the rail brace and are then fixed, and the butted section of the channel rails, the clamping plate A, the clamping plate B, the rail brace and the rail brace distance adjustment block are arranged in the box. The channel rail expansion adjustor is used on a channel rail line to implement the function of expanding and contracting rails and adjusting rail distance; meanwhile, the channel rail expansion adjustor also can meet the requirement of burying channel rails into the ground.
Description
Technical field
The present invention relates to a kind of rail overlapping device, particularly relate to the expansion and cotraction regulator that a kind of groove-shape rail be applicable in modern tram track circuit uses, belong to urban rail transit technology field.
Background technology
At present, tram obtains development gradually as urban track traffic instrument, vibration and noise low, the gapless track that line upkeep is few is a kind of inevitable trend.When track laying is on bridge floor, because employing gapless track, due to the cleaning such as variations in temperature, car load, meeting between beam body and track produces relative displacement, and then cause beam rail additional forces, change bridge force-bearing situation, when beam rail additional forces increases and causes track, bridge force-bearing severe, need to adopt rail overlapping device to regulate the flexible of rail.
The track of existing tram mainly adopts I-rail and grooved rail, because the development time of I-rail is longer, therefore, rail stroke device is in the past all for I-rail, two I-rails are processed into the stock rail and tongue that can coordinate, while satisfied stretching, ensure country power.
Because grooved rail cross section is asymmetric, the structure that I-rail adopts tongue and common I-rail to coordinate, can not be applicable to grooved rail.
In addition, streetcar track line requirements is embedded in underground, and these current expansion bends adopt the fastener system of spring pressing type, cannot meet this requirement at all.
Along with modern tram is in the fast development of field of urban rail, adopt the streetcar track of grooved rail can get more and more in the application of bridge section, circuit seamless process must cause beam rail active force to produce.In Longspan Bridge section, beam rail additional force proposes baptism to bridge construction, if lack track regulator corresponding to grooved rail, can not discharge beam rail active force, greatly must increase engineering cost, even cause obstruction to the development of urban track traffic.Therefore, grooved rail is developed adjuster and become the inevitable of track development.
Summary of the invention
The object of the invention is to: a kind of groove-shape rail expansion and cotraction regulator is provided, solve existing grooved rail track circuit and there is no expansion bend, utilize existing rail telescopic device such as the expansion bend of I-rail cannot reach the technical problem of grooved rail Expected Results, thus can effectively solve above-mentioned problems of the prior art.
The object of the invention is realized by following technical proposals: a kind of groove-shape rail expansion and cotraction regulator, the two sections of groove-shape rails connected are respectively groove-shape rail A and groove-shape rail B, groove-shape rail A and groove-shape rail B joint possess gap L, L > 0, expansion and cotraction regulator comprises casing, clamping plate A, clamping plate B, cover plate, rail brace and rail brace roll adjustment block, clamping plate A is arranged at the outside of groove-shape rail A and groove-shape rail B joint, and clamping plate B is arranged at the inner side of groove-shape rail A and groove-shape rail B joint; Described rail brace is L shape, and the vertical section of L shape contacts with clamping plate A, and the traversing section of L shape is fixed by inside rail brace roll adjustment block and the base plate of casing; The end of the Butt Section of described groove-shape rail is provided with the slotted hole of horizontal break-through, described leveling screw is successively through fixing after clamping plate B, slotted hole, clamping plate A and rail brace on groove-shape rail, and the Butt Section of described groove-shape rail, clamping plate A, clamping plate B, rail brace and rail brace roll adjustment block are arranged in casing.
As a kind of preferred embodiment, described leveling screw can on slotted hole transverse shifting.
As a kind of preferred embodiment, described rail brace roll adjustment block comprises the sleeper bolt of belt washer, spring and gauge apron, and described sleeper bolt is fixed with the traversing section of rail brace through after spring and gauge apron.
As a kind of preferred embodiment, the end of the Butt Section of described groove-shape rail is provided with slicing and carves mouth, and the shape that mouth is carved in this slicing is corresponding with clamping plate A.
As a kind of preferred embodiment, described casing is " recessed " shape cavity body, and cover plate is arranged at the upper surface of its " recessed " shape, and cover plate is equal with the upper plane of clamping plate A; Cover plate and casing are fixed by bolt part.The arranging of cover plate can meet other vehicles and pass above track, prevents other vehicles from destroying expansion and cotraction regulator.
As a kind of preferred embodiment, be provided with drain hole in the bottom of casing.Drainage requirement when track is herein embedded in underground can well be met, prevent the depositions such as rainwater and have influence on application life of rail and expansion and cotraction regulator.
As a kind of preferred embodiment, described slotted hole is several, and the distance between adjacent two slotted holes is h, L>=h; The length of slotted hole is h
2, L>=h
2.Groove-shape rail has slotted hole, realize the telescopic adjustment of rail, rail, when flexible, contacts to prevent the termination of the Butt Section of two rail, stroke between the breathing zone therefore considering rail under even in everyday situations, and the distance between adjacent two slotted holes is set.
As a kind of preferred embodiment, by the screwing force adjustment rail joint resistance of setting through the bolt of elliptical aperture.
As a kind of preferred embodiment, the gap L≤5cm between two groove-shape rails mutually docked, the value in this gap sets according to the conventional stroke of current groove-shape rail in running.
As a kind of preferred embodiment, the Butt Section of described groove-shape rail and the inner bottom surface of casing are fixed.
In the present invention, the effect of part is as follows:
1, rail: the present invention is mainly for groove-shape rail, and the end of two groove-shape rail Butt Sections forms slicing by the mode of slicing and carves mouth, and this slicing is carved mouth and coordinated with clamping plate A and clamping plate B; In addition; slotted hole opened by rail; by the frictional force between leveling screw and slotted hole and removable relation; to ensure that joint resistance and groove-shape rail are under the effect of TEMPERATURE FORCE; can realize stretching, in tram running, especially play the effect of protection track structure, bridge construction.
2, clamping plate A: adopt the manufacture of 60TY wing rail, and carry out slicing, fit with the upper jaw and the lower jaw of side, groove-shape rail inoperative limit and rail head, when the wheel of tram is by expansion and cotraction regulator of the present invention, clamping plate A plays the effect of circuit rail at the gap location of groove-shape rail docking location, ensure that the continuity of circuit and operating steadily of locomotive; That is, when tram is by two rails joint, walk on these clamping plate A, clamping plate A plays the effect of twilight orbit.
3, clamping plate B: adopt Q345 steel making, after processing, ensures to contact with grooved rail the upper jaw and the lower jaw to coordinate.
4, casing: be a group welding piece, the base plate of casing plays the effect of backing plate, the side of casing is played and is stopped concrete effect, the upper surface of casing is by arranging cover plate, cover plate flushes with ground, thus ensure that expansion and cotraction regulator can meet and be embedded in underground, the requirement can banketed for vehicles and pedestrians or greening.
5, rail brace and gauge adjusting block: rail brace plays the effect of fixing rail and clamping plate, and by gauge adjusting block, adjustment is realized to gauge.
Compared with prior art, beneficial effect of the present invention: grooved rail expansion and cotraction regulator of the present invention, for grooved rail track circuit to realize the function of rail stroke and buffer rail distance; Meanwhile, the requirement that grooved rail is embedded in underground is also met; And the structure of whole grooved rail expansion and cotraction regulator and manufacturing process are simply, and easy to maintenance, cost is low, can be a large amount of be applied on urban track traffic grooved gauge lines.
Accompanying drawing explanation
Fig. 1 is the structural representation of expansion and cotraction regulator of the present invention.
Fig. 2 is the A-A generalized section in Fig. 1.
Fig. 3 is the structural representation of box house part.
Fig. 4 is C-C generalized section in Fig. 1.
Fig. 5 is the structural representation of groove-shape rail A.
Wherein: groove-shape rail A-1, groove-shape rail B-2, clamping plate A-3, clamping plate B-4, casing-5, cover plate-6, rail brace-7, rail brace roll adjustment block-8, mouth-9 is carved in slicing, leveling screw-10, drain hole-11, slotted hole-12, bolt part-13.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
All features disclosed in this manual, or the step in disclosed all methods or process, except the speciality mutually repelled and/or step, all can combine by any way, unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object, namely, unless specifically stated otherwise, an embodiment in a series of equivalence of each feature or similar characteristics.
embodiment,as shown in Fig. 1,2,3,4,5:
A kind of groove-shape rail expansion and cotraction regulator, the two sections of groove-shape rails connected are respectively groove-shape rail A1 and groove-shape rail B2, and groove-shape rail A1 and groove-shape rail B2 joint possess gap L, 0 < L≤5cm.The value of the gap L between two groove-shape rails mutually docked sets according to the conventional stroke of current groove-shape rail in running, is not limited thereto.
Expansion and cotraction regulator comprises the outside that casing 5, clamping plate A3, clamping plate B4, cover plate 6, rail brace 7 and rail brace roll adjustment block 8, clamping plate A3 are arranged at groove-shape rail A1 and groove-shape rail B2 joint, and clamping plate B4 is arranged at the inner side of groove-shape rail A1 and groove-shape rail B2 joint; The end of the Butt Section of described groove-shape rail is provided with slicing and carves mouth 9, and the shape that mouth 9 is carved in this slicing is corresponding with clamping plate A3.Clamping plate A3 and clamping plate B4 also carries out slicing, and clamping plate A3 and clamping plate B4 can better be coordinated with groove-shape rail.When the wheel of tram is by expansion and cotraction regulator of the present invention, clamping plate A plays the effect of circuit rail at the gap location of groove-shape rail docking location, ensure that the continuity of circuit and operating steadily of locomotive; That is, when tram is by two rails joint, walk on these clamping plate A, clamping plate A plays the effect of twilight orbit.
Described rail brace 7 is L shape, and the vertical section of L shape contacts with clamping plate A3, and the traversing section of L shape is by fixing inside rail brace roll adjustment block 8 and the base plate of casing 5; Described rail brace roll adjustment block 8 comprises the sleeper bolt of belt washer, spring and gauge apron, and described sleeper bolt is fixed with the traversing section of rail brace 7 through after spring and gauge apron.Wherein, described spring is bending W shape spring, and the bottom of gauge apron and groove-shape rail is fixed, and by the gauge adjusting block of different size and the combination of rail brace, can realize the adjustment of rail brace lateral attitude, to realize the adjustment to gauge.
The end of the Butt Section of described groove-shape rail is provided with the slotted hole 12 of horizontal break-through, and the slotted hole on clamping plate B4, groove-shape rail, clamping plate A3 and rail brace 7 are fixed as one through after slotted hole, clamping plate A3 and the rail brace 7 on clamping plate B4, groove-shape rail by described leveling screw 10 successively.Further, described leveling screw 10 can on slotted hole 12 transverse shifting; Described slotted hole 12 is several, and the distance between adjacent two slotted holes 12 is h, L>=h; The length of slotted hole 12 is h
2, L>=h
2.Groove-shape rail has slotted hole, realize the telescopic adjustment of rail, rail, when flexible, contacts to prevent the termination of the Butt Section of two rail, stroke between the breathing zone therefore considering rail under even in everyday situations, and the distance between adjacent two slotted holes is set.
The Butt Section of described groove-shape rail, clamping plate A3, clamping plate B4, rail brace 7 and rail brace roll adjustment block 8 are arranged in casing 5, and the Butt Section of described groove-shape rail and the inner bottom surface of casing 5 are fixed.Described casing 5 is " recessed " shape cavity body, and cover plate 6 is arranged at the upper surface of its " recessed " shape, and cover plate 6 is equal with the upper plane of clamping plate A3; Cover plate 6 is fixed by bolt part 13 with casing 5.The arranging of cover plate can meet other vehicles and pass above track, prevents other vehicles from destroying expansion and cotraction regulator.In addition, be provided with drain hole 11 in the bottom of casing 5, to meet drainage requirement when track is embedded in underground herein, prevent the depositions such as rainwater and have influence on application life of rail and expansion and cotraction regulator.
As shown in Figure 1, rail two ends and connection, middle part is expansion and cotraction regulator, the position that the wheel except tram is out of shape, and remainder is all wrapped in casing, to meet the requirement being embedded in underground.Leave gap L between two groove-shape rails, meeting rail when circuit shrinks can and then shrink.
As shown in Figure 2, as can be seen from the section shown in Fig. 2, when wheel is by time herein, the wheel of tram, by above clamping plate A out of shape, ensure that the continuity of track circuit.
As shown in Figure 3, rail brace roll adjustment block is provided with different-thickness, can realize the adjustment of gauge; Rail brace is fixed on the base plate of casing by bolt and spring, then rail brace, clamping plate A, clamping plate B, rail is linked together by leveling screw, plays the effect of effective telescopic adjustment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a groove-shape rail expansion and cotraction regulator, the two sections of groove-shape rails connected are respectively groove-shape rail A(1) and groove-shape rail B(2), groove-shape rail A(1) and groove-shape rail B(2) joint possesses gap L, L > 0, it is characterized in that: expansion and cotraction regulator comprises casing (5), clamping plate A(3), clamping plate B(4), cover plate (6), rail brace (7) and rail brace roll adjustment block (8), clamping plate A(3) be arranged at groove-shape rail A1 and groove-shape rail B(2) outside of joint, clamping plate B(4) be arranged at groove-shape rail A(1) and groove-shape rail B(2) inner side of joint, described rail brace (7) is L shape, vertical section and the clamping plate A(3 of L shape) contact, the traversing section of L shape is by fixing inside rail brace roll adjustment block (8) and the base plate of casing (5), the end of the Butt Section of described groove-shape rail is provided with the slotted hole (12) of horizontal break-through, described leveling screw (10) is successively through clamping plate B(4), slotted hole (12), clamping plate A(3 on groove-shape rail) and rail brace (7) fix afterwards, the Butt Section of described groove-shape rail, clamping plate A(3), clamping plate B(4), rail brace (7) and rail brace roll adjustment block (8) be arranged in casing (5).
2. groove-shape rail expansion and cotraction regulator as claimed in claim 1, is characterized in that: described leveling screw (10) can at the upper transverse shifting of slotted hole (12).
3. groove-shape rail expansion and cotraction regulator as claimed in claim 1, it is characterized in that: described rail brace roll adjustment block (8) comprises the sleeper bolt of belt washer, spring and gauge apron, described sleeper bolt is fixed with the traversing section of rail brace (7) through after spring and gauge apron.
4. groove-shape rail expansion and cotraction regulator as claimed in claim 1, is characterized in that: the end of the Butt Section of described groove-shape rail is provided with slicing and carves mouth (14), and the shape of mouth (14) and clamping plate A(3 are carved in this slicing) corresponding.
5. groove-shape rail expansion and cotraction regulator as claimed in claim 1, is characterized in that: described casing (5) is " recessed " shape cavity body, and cover plate (6) is arranged at the upper surface of its " recessed " shape, and cover plate (6) and clamping plate A(3) upper plane equal; Cover plate 6 is fixed by bolt part (13) with casing (5).
6. groove-shape rail expansion and cotraction regulator as claimed in claim 1, is characterized in that: be provided with drain hole (11) in the bottom of casing (5).
7. groove-shape rail expansion and cotraction regulator as claimed in claim 1, is characterized in that: described slotted hole (12) is for several, and the distance between adjacent two slotted holes (12) is h, L>=h; The length of slotted hole (12) is h
2, L>=h
2.
8. groove-shape rail expansion and cotraction regulator as claimed in claim 1, is characterized in that: the gap L≤5cm between two groove-shape rails mutually docked.
9. groove-shape rail expansion and cotraction regulator as claimed in claim 1, is characterized in that: the inner bottom surface of the Butt Section of described groove-shape rail and casing (5) is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410844779.5A CN104499383A (en) | 2014-12-31 | 2014-12-31 | Channel rail expansion adjustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410844779.5A CN104499383A (en) | 2014-12-31 | 2014-12-31 | Channel rail expansion adjustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104499383A true CN104499383A (en) | 2015-04-08 |
Family
ID=52940826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410844779.5A Pending CN104499383A (en) | 2014-12-31 | 2014-12-31 | Channel rail expansion adjustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104499383A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337324A (en) * | 2016-11-03 | 2017-01-18 | 中国铁道科学研究院 | The groove rail steel rail telescopic adjusting device |
| CN108239897A (en) * | 2018-01-23 | 2018-07-03 | 中国铁建重工集团有限公司 | A kind of rail overlapping device detecting tool |
| CN109518548A (en) * | 2018-12-05 | 2019-03-26 | 中国铁建重工集团有限公司 | Track protective device |
| CN113737579A (en) * | 2021-09-17 | 2021-12-03 | 芜湖中铁科吉富轨道有限公司 | Site-reconstructed small-radius I-shaped switch rail expansion adjuster and reconstruction construction method thereof |
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| GB190918382A (en) * | 1909-08-10 | 1910-02-10 | William Baxter | Improved Combined Tread Expansion Joint and Fishplate, for Tramway Rails. |
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| Title |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337324A (en) * | 2016-11-03 | 2017-01-18 | 中国铁道科学研究院 | The groove rail steel rail telescopic adjusting device |
| CN108239897A (en) * | 2018-01-23 | 2018-07-03 | 中国铁建重工集团有限公司 | A kind of rail overlapping device detecting tool |
| CN108239897B (en) * | 2018-01-23 | 2023-12-12 | 中国铁建重工集团股份有限公司 | Detection tool for steel rail telescopic regulator |
| CN109518548A (en) * | 2018-12-05 | 2019-03-26 | 中国铁建重工集团有限公司 | Track protective device |
| CN109518548B (en) * | 2018-12-05 | 2023-09-05 | 中国铁建重工集团股份有限公司 | Rail protection device |
| CN113737579A (en) * | 2021-09-17 | 2021-12-03 | 芜湖中铁科吉富轨道有限公司 | Site-reconstructed small-radius I-shaped switch rail expansion adjuster and reconstruction construction method thereof |
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Application publication date: 20150408 |
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