CN111439169A - Side joint touches rail system and connects with little curve expansion - Google Patents
Side joint touches rail system and connects with little curve expansion Download PDFInfo
- Publication number
- CN111439169A CN111439169A CN201910046046.XA CN201910046046A CN111439169A CN 111439169 A CN111439169 A CN 111439169A CN 201910046046 A CN201910046046 A CN 201910046046A CN 111439169 A CN111439169 A CN 111439169A
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- China
- Prior art keywords
- rail
- expansion joint
- sliding rail
- rolling
- sliding
- 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.)
- Pending
Links
- 241000251468 Actinopterygii Species 0.000 claims abstract description 3
- 238000005096 rolling process Methods 0.000 claims description 31
- 230000007704 transition Effects 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 7
- 230000008093 supporting effect Effects 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000002131 composite material Substances 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 150000001399 aluminium compounds Chemical class 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/30—Power rails
- B60M1/305—Joints
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The utility model provides a side joint touches rail system and connects with little curve expansion, relates to urban power track technical field, including fixed rail, sliding rail, fish tail direction splint set up in the rail waist of fixed rail and sliding rail, the tip of fixed rail and sliding rail contacts each other, on the tip contact surface with the parallel fixed rail of track length direction and/or sliding rail, is provided with the roll structure. Through being provided with the roll structure on the contact surface at two sliders for elastic contact all the time between the contact surface of slip rail and fixed rail, mutual support between two slide rails effectively prevents the disturbance degree deformation under the action of gravity.
Description
Technical Field
The invention relates to the technical field of urban electric power rails, in particular to a small curve expansion joint for a side contact rail system.
Background
In a novel lateral current-receiving rail transit steel-aluminum composite contact rail power supply system, an expansion joint needs to be installed in a circuit in order to meet the requirements that the steel-aluminum composite contact rail freely stretches out and draws back due to thermal expansion and cold contraction and the current is ensured to be well connected. In a novel lateral-current-receiving track traffic system, a line section with small curvature generally exists, and a contact rail system arranged on two sides of a track must meet the installation requirement of a small curve section.
The traditional upper and lower contact type expansion joints are large in size, deflection deformation is easily generated under the action of self gravity to cause increase of sliding resistance, and the requirement of a small curve segment lateral flow receiving form cannot be met.
The utility model discloses a current patent application number is CN201220221998.4, and the patent name is well low-speed magnetic suspension side and receives the compound contact rail small curve expansion joint's of class steel aluminium compound contact rail small curve expansion joint, and it discloses a well low-speed magnetic suspension side and receives class steel aluminium compound contact rail small curve expansion joint, and it installs and connects two sections steel aluminium compound contact rails on the insulation board, including the anchor splint, the expansion joint includes left slide rail and right slide rail, and wherein, is equipped with left connecting hole on the left slide rail, is equipped with right connecting hole on the right slide rail, and left and right slide rail all has the waist die cavity, and simultaneously, the anchor splint include connecting block and connecting plate, wherein, is equipped with the splint fixed orifices on the connecting block, and the connecting plate both ends are equipped with the sliding rail connecting hole, and splint fixed orifices and insulation board match, and connecting plate. This prior art still has not mutual supporting action between the slide rail at both ends, and the deformation of taking place the amount of deflection easily under receiving self action of gravity, the deformation will cause the slide rail to be tangent with the anchor splint, increases initial sliding force, makes the slip between slide rail and the anchor splint appear the jamming.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a small curve expansion joint for a side contact rail system, joints of a left sliding rail and a right sliding rail of the small curve expansion joint are meshed with each other, continuous fractures do not exist, a collector shoe is not easy to impact when sliding through a gap between flow receiving surfaces of the expansion joint, flow receiving is more stable, and a rolling device is further arranged on the joint contact surface of the small curve expansion joint to enable the two sliding rails to be mutually supported, so that disturbance deformation under the action of gravity is effectively prevented.
The specific technical scheme of the invention is as follows:
the utility model provides a side joint contact rail system is with little curve expansion joint, includes the stationary rail, the sliding rail, fish tail guide clamp plate sets up in the web of track of stationary rail and sliding rail, the tip of stationary rail and sliding rail contacts each other, on the tip contact surface with the parallel stationary rail of track length direction and/or sliding rail, is provided with the roll structure.
Wherein, rolling structure includes recess and rolling element, the rolling element sets up in the recess.
The rolling structure further comprises a supporting body, the rolling body is arranged at an opening of the groove, the supporting body is arranged in the groove, the rolling body is connected with the supporting body, and the supporting body is an elastic element.
Wherein, the rolling body is a ball or a roller.
Wherein the elastic element comprises a spring or a plastic elastic member.
Wherein the sum of the lengths of the support body and the rolling body is greater than the depth of the groove.
The end parts of the fixed rail and the sliding rail are stepped bosses which are mutually meshed.
The connecting device further comprises a connecting bridge, wherein the connecting bridge is in an omega shape, one end of the connecting bridge is connected to the fixed rail, and the other end of the connecting bridge is connected to the sliding rail.
The device also comprises a pressing plate and a transition plate, wherein the pressing plate, the connecting bridge and the transition plate are sequentially arranged on the track.
The rail waist of the sliding rail is provided with a long waist hole, and a limiting sleeve is arranged in the long waist hole; and a partition plate is arranged between the fishtail guide clamping plate and the rail waist.
Advantageous effects
1) Compared with the traditional oblique notch form, the sliding type expansion joint has the advantages that the fixed rail and the sliding rail are always in a meshed state along with the increase or decrease of the clearance of the expansion joint, continuous fractures do not exist, the collector shoe is not easy to impact when sliding through the clearance between the flow receiving surfaces of the expansion joint, and the flow receiving is more stable;
2) under the lateral flow-donating state, the contact surfaces of the two sliding blocks are provided with rolling structures, so that the contact surfaces of the sliding rail and the fixed rail are always in elastic contact, and the two sliding rails are mutually supported, thereby effectively preventing deflection deformation under the action of gravity;
3) deformation internal stress of the omega-shaped connecting bridge acts on the direction along the rails, so that the left and right slide rails are not tangent to the fishtail clamping plate, and sliding resistance is small; the omega-shaped connecting bridge replaces a cable to connect the structure simply, so that the installation space is effectively saved, the use amount of copper materials is reduced, and the cost is saved;
4) fishtail splint adopt one end and fixed rail steadily fixed, one end and slide rail sliding contact's mode, and form the slip clearance through baffle and spacing sleeve between fishtail splint and the slide rail for sliding resistance is littleer when little curve expansion joint carries out concertina movement.
Drawings
FIG. 1 is a front view of the present invention
FIG. 2 is a top view of the present invention
FIG. 3 is a top view of the present invention without the connecting bridge, the pressing plate and the transition plate
FIG. 4 is a front view of the guide clamp plate for removing the fishtail according to the invention
FIG. 5 is a cross-sectional view taken at I-I of FIG. 1
FIG. 6 is a sectional view taken at II-II of FIG. 1
FIG. 7 is a sectional view taken at III-III of FIG. 3
FIG. 8 is a top view of the engagement surface of the present invention
FIG. 9 is a schematic view of the rolling structure at the meshing surface of the present invention
Fig. 10 is a front view of the engagement surface of the present invention, wherein 10 is a fixed rail, 20 is a sliding rail, 30 is a connecting bridge, 40 is a fishtail guide clamp plate, 50 is a press plate, 60 is a transition plate, 70 is a partition plate, 80 is a limit sleeve, 11 is a fixing circular hole, 21 is a long waist hole, 10a is a boss of the fixed rail, and 20a is a boss of the sliding rail.
Detailed Description
The small curve expansion joint for the side contact rail system comprises a fixed rail 10, a sliding rail 20, a connecting bridge 30 and a fishtail guide clamping plate 40 as shown in figure 1, wherein a long waist hole 21 in the horizontal direction is formed in the rail waist of the sliding rail 20, two fixing round holes 11 are formed in the rail waist of the fixed rail 10, the fishtail guide clamping plate 40 is arranged in the rail waist, and the fishtail guide plate 40 is fixed at the fixing round holes 11 through bolts, so that the fishtail guide clamping plate 40 is fixedly connected with the fixed rail 10. As shown in fig. 4 and 5, a limiting sleeve 80 penetrating the sliding rail 20 in the width direction is disposed in the long waist hole 21, the fishtail guide clamp plate 40 penetrates the limiting sleeve 80 through a bolt and is movably connected with the sliding rail 20, and when the sliding rail 20 slides, the limiting sleeve 80 can slide in the long waist hole 21. As shown in fig. 6, in this embodiment, a partition plate 70 is disposed between the fishtail guide clamping plate 40 and the rail web, the partition plate 70 is made of a material with a small friction force, and may be a metal sheet, and the partition plate 70 fills a gap between the fishtail guide clamping plate 40 and the rail web, so as to improve the stability of the entire expansion joint. Fishtail guide clamp plate 40 adopts the mode that one end is fixed with fixed rail 10, one end and sliding rail 20 sliding contact, and forms the sliding clearance through baffle 70 and spacing sleeve between fishtail guide clamp plate 40 and the rail waist for sliding resistance is littleer when little curve expansion joint carries out concertina movement.
The contact surfaces of the fixed rail 10 and the sliding rail 20 are parallel to the length direction of the rail, and the fixed rail 10 and the sliding rail 20 are always kept in contact, wherein, preferably, as shown in fig. 3, the end of the fixed rail 10 is processed into a step-shaped boss 10a, the end of the sliding rail 20 is processed into a step-shaped boss 20a, and the boss 10a and the boss 20a are engaged with each other. In this embodiment, the fixed rail 10 and the sliding rail 20 are formed by cutting and processing the same steel-aluminum composite contact rail, so that the perfect engagement between the boss 10a and the boss 20a is ensured. The step-shaped boss is always engaged between the left sliding rail and the right sliding rail no matter the expansion joint clearance is increased or reduced, no continuous fracture exists, the collector shoe is not easy to impact when sliding through the clearance between the flow receiving surfaces of the expansion joint, and the flow receiving is more stable.
As shown in fig. 7, 8 and 10, the engaging surface of the boss 10a or the boss 20a is provided with a plurality of rolling structures, in this embodiment, the rolling structures are uniformly distributed on the engaging surface, the rolling structures enable the boss 10a and the boss 20a to be in rolling contact and always maintain engagement, and because of the existence of the rolling structures, an interaction force is always maintained between the boss 10a and the boss 20a, so that an effect of mutual support of the fixed rail 10 and the sliding rail 20 is achieved, and deflection deformation caused by the self gravity is reduced. The rolling structure comprises a rolling part and a supporting part, wherein the rolling part can be parts such as balls and rollers which can roll, and the supporting part can be parts such as springs and supporting pieces made of elastomer plastics which can support the rolling part. As shown in fig. 9, the supporting portion is a spring 90 and the rolling portion is a ball 91. In this embodiment, a counter bore is formed in the meshing surface, a spring 90 is arranged in the counter bore, one end, facing the opening of the counter bore, of the spring 90 is connected with a ball 91, and the total length of the ball and the uncompressed spring is larger than the depth of the counter bore. Under the lateral flow-feeding state, the ball always keeps rolling contact between the contact surfaces under the action of spring force, so that the two slide rails are mutually supported, and deflection deformation under the action of gravity is effectively prevented. The ball can be replaced by a roller, a groove is arranged in the meshing surface, a spring is arranged in the groove, the roller is arranged at a spring port facing the groove opening, and the rolling surface of the roller faces the meshing surface, so that the bosses are stably connected and mutually supported when being meshed.
As shown in fig. 1, the sliding rail 20 and the fixed rail 10 are connected by a connecting bridge 30, in this embodiment, the connecting bridge 30 is in an "Ω" shape, and is formed by stacking single sheets of T2 soft copper foil with a thickness of 0.05mm and then pressing the stacked sheets into an "Ω" shape. As shown in fig. 3, the horizontally extending outward portion is provided with a mounting hole. As shown in fig. 1 and 2, the upper end surface of the horizontally outwardly extending portion of the connecting bridge 30 is provided with a pressing plate 50, and the pressing plate 50 is preferably made of corrosion-resistant metal material, such as stainless steel; a transition plate 60 is arranged between the connecting bridge 30 and the fixed rail 10 and the sliding rail 20, and the transition plate 60 is made of metal, preferably copper-aluminum. The pressing plate 50 and the transition plate 60 are provided with through holes corresponding to the mounting holes, and bolts penetrate through the pressing plate 50, the connecting bridge 30 and the transition plate 60 to fix the pressing plate 50, the connecting bridge 30 and the transition plate 60 on a rail surface. The connecting bridge 30 is adopted to replace cable connection, the structure is simple, the installation space is effectively saved, the use amount of copper materials is reduced, and the cost is saved. When the sliding rail 20 slides, the connecting bridge 30 also deforms, but the deformation internal stress acts on the rail direction, so that the left and right sliding rails are not tangent to the fishtail clamping plate, and the sliding resistance is small; the omega-shaped design also enables the connecting bridge 30 to be maximally drawn into a horizontal straight line when being stretched, and avoids the situation that poor conduction is caused by bending possibly generated by the connecting bridge 30 in other shapes.
The invention provides a novel small-curve expansion joint of a laterally-flowing steel-aluminum composite contact rail system, which is suitable for a line section with smaller curvature of a laterally-flowing steel-aluminum composite contact rail traction power supply system of a straddle-type monorail, a magnetic suspension system and the like.
Claims (10)
1. The utility model provides a side contact rail system is with little curve expansion joint, includes fixed rail (10), sliding rail (20), fish tail guide clamp plate (40) set up in the rail waist of fixed rail (10) and sliding rail (20), its characterized in that, the tip of fixed rail (10) and sliding rail (20) contacts each other, on the tip contact surface of fixed rail (10) and/or sliding rail (20) parallel with track length direction, is provided with the roll structure.
2. The small curve expansion joint of claim 1, wherein the rolling structure comprises a groove and a rolling body, the rolling body being disposed within the groove.
3. The small curve expansion joint as claimed in claim 2, wherein the rolling structure further comprises a support body, the rolling body is disposed at the opening of the groove, the support body is disposed in the groove, the rolling body is connected to the support body, and the support body is an elastic element.
4. The small curve expansion joint according to claim 2 or 3, wherein the rolling bodies are balls or rollers.
5. The low profile expansion joint of claim 3, wherein said resilient member comprises a spring or a plastic spring.
6. The low profile expansion joint of claim 3, wherein the sum of the lengths of the support body and the rolling bodies is greater than the depth of the groove.
7. The small curve expansion joint according to claim 1, wherein the ends of the fixed rail (10) and the sliding rail (20) are stepped bosses (10a,20a), and the stepped bosses (10a,20a) are engaged with each other.
8. The small curve expansion joint according to claim 1, further comprising a connecting bridge (30), wherein the connecting bridge (30) is of an omega shape, one end of which is connected to the fixed rail (10) and the other end of which is connected to the sliding rail (20).
9. The small curve expansion joint as claimed in claim 8, further comprising a pressure plate (50) and a transition plate (60), wherein the pressure plate (50), the connecting bridge (30) and the transition plate (60) are sequentially disposed on the rail.
10. The small curve expansion joint according to claim 1, wherein a long waist hole (21) is provided on the waist of the sliding rail (20), and a limit sleeve (80) is provided in the long waist hole (21); a clapboard (70) is arranged between the fishtail guide clamping plate (40) and the rail web.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910046046.XA CN111439169A (en) | 2019-01-16 | 2019-01-16 | Side joint touches rail system and connects with little curve expansion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910046046.XA CN111439169A (en) | 2019-01-16 | 2019-01-16 | Side joint touches rail system and connects with little curve expansion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111439169A true CN111439169A (en) | 2020-07-24 |
Family
ID=71626680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910046046.XA Pending CN111439169A (en) | 2019-01-16 | 2019-01-16 | Side joint touches rail system and connects with little curve expansion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111439169A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3955895A (en) * | 1973-07-27 | 1976-05-11 | Societe Dite Aeropar Societe Anonyme Francaise | Rail expansion joint |
| CN101746281A (en) * | 2010-01-30 | 2010-06-23 | 浙江旺隆轨道交通设备有限公司 | Rigid contact net expansion joint |
| CN102259601A (en) * | 2011-06-16 | 2011-11-30 | 江苏凯邦轨道交通器材有限公司 | Expansion joint of ball crimped-type power supply rail |
| CN102501783A (en) * | 2011-10-25 | 2012-06-20 | 比威(天津)电气化系统有限责任公司 | Expansion joint for smooth transition of third rail of subway |
| KR20120127800A (en) * | 2011-05-16 | 2012-11-26 | (주)한미글로벌건축사사무소 | power generatable expansion joint apparatus for roads or bridges |
| CN105742840A (en) * | 2016-03-28 | 2016-07-06 | 深圳华品轨道交通有限公司 | Jointless telescopic connector with contact rails |
| CN107696917A (en) * | 2017-09-30 | 2018-02-16 | 北京星通浩宇科技发展有限公司 | A kind of low temperature resistant expansion pipe with shuttle shape fish tail guide plate |
| CN207549996U (en) * | 2017-12-19 | 2018-06-29 | 北京星通浩宇科技发展有限公司 | A kind of expansion pipe |
| CN209552992U (en) * | 2019-01-16 | 2019-10-29 | 镇江大全赛雪龙牵引电气有限公司 | One kind flanking rail-engaging system with small curve expansion pipe |
-
2019
- 2019-01-16 CN CN201910046046.XA patent/CN111439169A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3955895A (en) * | 1973-07-27 | 1976-05-11 | Societe Dite Aeropar Societe Anonyme Francaise | Rail expansion joint |
| CN101746281A (en) * | 2010-01-30 | 2010-06-23 | 浙江旺隆轨道交通设备有限公司 | Rigid contact net expansion joint |
| KR20120127800A (en) * | 2011-05-16 | 2012-11-26 | (주)한미글로벌건축사사무소 | power generatable expansion joint apparatus for roads or bridges |
| CN102259601A (en) * | 2011-06-16 | 2011-11-30 | 江苏凯邦轨道交通器材有限公司 | Expansion joint of ball crimped-type power supply rail |
| CN102501783A (en) * | 2011-10-25 | 2012-06-20 | 比威(天津)电气化系统有限责任公司 | Expansion joint for smooth transition of third rail of subway |
| CN105742840A (en) * | 2016-03-28 | 2016-07-06 | 深圳华品轨道交通有限公司 | Jointless telescopic connector with contact rails |
| CN107696917A (en) * | 2017-09-30 | 2018-02-16 | 北京星通浩宇科技发展有限公司 | A kind of low temperature resistant expansion pipe with shuttle shape fish tail guide plate |
| CN207549996U (en) * | 2017-12-19 | 2018-06-29 | 北京星通浩宇科技发展有限公司 | A kind of expansion pipe |
| CN209552992U (en) * | 2019-01-16 | 2019-10-29 | 镇江大全赛雪龙牵引电气有限公司 | One kind flanking rail-engaging system with small curve expansion pipe |
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