CN201439315U - Rolling bearing type expansion joint of steel-aluminum composite rail - Google Patents
Rolling bearing type expansion joint of steel-aluminum composite rail Download PDFInfo
- Publication number
- CN201439315U CN201439315U CN2009201091642U CN200920109164U CN201439315U CN 201439315 U CN201439315 U CN 201439315U CN 2009201091642 U CN2009201091642 U CN 2009201091642U CN 200920109164 U CN200920109164 U CN 200920109164U CN 201439315 U CN201439315 U CN 201439315U
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- rail
- expansion pipe
- slide rail
- mid
- rolling bearing
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Abstract
The utility model discloses a rolling bearing type expansion joint of steel-aluminum composite rail, which comprises a left sliding rail, a middle rail, a right sliding rail, a first anchoring clamping plate, a second anchoring clamping plate, a cable connector, a cable clamping plate, and a copper to aluminum adapter board; wherein, the first anchoring clamping plate is clamped in a die cavity at the waist of the left sliding rail and the middle rail, and the second anchoring clamping plate is clamped in another die cavity at the waist of the middle rail and the right sliding, and the two anchoring clamping plates are respectively fastened through utilizing fastening pieces, and the cable connector connects the middle rail and the left sliding rail, the middle rail and the right sliding rail. The cable connector is connected with the welding aluminum block through a bolt, and both sides of the cable connector are respectively clamped through the copper to aluminum adapter board and the cable clamping plate; and after the connection, the cable connector can rotate along the direction of line. For the rolling bearing type expansion joint of steel-aluminum composite rail, the design of the whole structure is reasonable, and the performance is good, the carrying capacity is large, the appearance is beautiful, the installation is quick and easy, the standardization level is high, and the using requirement under the circumstance that the contacting rail is located at the expansion unit is met.
Description
Technical field
The utility model relates to electric railway and urban track traffic contact net system, relates in particular to the expansion pipe of the compound rail rolling bearing type of a kind of steel aluminium.
Background technology
The steel-aluminum conductor rail electric power system is a kind of important power supply of urban orbit traffic mode, obtained recent years being extensive use of, as mechanical connection, the expansion pipe that is electrically connected, compensates stroke in the supply line is again the important composition device of whole electric power system.
At present, the expansion pipe of using in the electrified Rail Transit System can not guarantee under the situation that its mechanical connection, electric property meet the demands to have good adjusting compensation ability, the expansion pipe of arranging on the particularly online road curve, same index request on out of reach and the straight line circuit.Along with the high speed development of electrified railway, simple installation, superior performance etc. require particularly important.Thereby, need a kind of expansion pipe that can adapt to the road network requirement.
The utility model content
Technical problem to be solved in the utility model is, the expansion pipe of the compound rail rolling bearing type of a kind of steel aluminium is provided, being used to solve existing expansion pipe can't all can meet the demands on mechanical connection, electric property, compensation ability, especially circuit bend performance defect.
For solving the problems of the technologies described above, the utility model provides the expansion pipe of the compound rail rolling bearing type of a kind of steel aluminium, comprising: left slide rail 1, mid-rail 2, right slide rail 3, first, second anchoring clamping plate 4, cable connector 5, cable clamp 6, the excessive plate 17 of copper aluminium;
The first anchorage clip integrated circuit board is in the waist die cavity of left slide rail and mid-rail, the second anchorage clip integrated circuit board is in the waist die cavity of mid-rail and right slide rail, utilize two groups of fasteners to be fastenedly connected respectively, be connected by cable connector between described mid-rail and the left slide rail and between mid-rail and the right slide rail;
Described left slide rail and right slide rail have a welding aluminium block respectively with the mid-rail opposite end, described mid-rail then has a welding aluminium block respectively at the opposite end with left slide rail and right slide rail, this cable connector is welding on the aluminium block by bolted connection, the both sides of cable connector are used copper to aluminum adapter bar and cable clamp clamping respectively, after the connection, cable connector can rotate in road along the line direction.
Described fastener comprises: nut, flat gasket, bullet packing ring, bolt.
The left slide rail of described expansion pipe comprises left sliding track body and welding welding aluminium block in the above, and this left side sliding track body is a trapezium structure, and this welds aluminium block at the place, oblique angle, base of trapezium structure, and joins with described mid-rail.
The middle slide rail of described expansion pipe comprises mid-rail body and two block weldings welding aluminium block in the above, and this mid-rail is a diamond structure, and described welding aluminium block is positioned at two drift angle places of diamond structure, and joins with described left slide rail, right slide rail respectively.
The right slide rail of described expansion pipe comprises right sliding track body and welding welding aluminium block in the above, and this right side slide rail is a trapezium structure, and described welding aluminium block is positioned at trapezoidal bottom bias place, and joins with described mid-rail.
State the anchoring clamping plate of expansion pipe, comprise anchoring clamping plate body and be placed on needle roller in its chute, these anchoring clamping plate by bolted connection in the die cavity of expansion pipe left side slide rail, expansion pipe mid-rail, the right slide rail waist of expansion pipe.
Described cable connector is a laminate structure, adopts the copper sheet lamination to form.
Rolling bearing type expansion pipe of the present utility model, mentality of designing is ingenious, simple in structure, under the prerequisite that guarantees the electric and mechanical characteristics of expansion pipe, has reduced initial sliding power greatly, has simplified manufacturing process, and installation and maintenance are more convenient.Change original copper coin line contact conduction into the soft connection device conduction,, optimized manufacturing process, guarantee the current-carrying capacity of expansion pipe, improved the conduction quality owing to adopt the flexible cable connecting device.The antifriction-bearing box that employing is embedded between contact rail and the anchoring clamping plate connects, and the cliding friction that changes with the contact of front face is a friction of rolling, has reduced sliding force and abrasion loss, the structure of original inapplicable small curve radius is changed into satisfy little curve to use.The fastener locking form adopts DTF (execute must firm screw thread) form, and scribbles thread locking glue, and loosening phenomenon can in use not take place.Between cable connector and welding aluminium block, be provided with copper to aluminum adapter bar, prevent electrocorrosion.
Description of drawings
Fig. 1 is structure master's scheme drawing of rolling bearing type expansion pipe;
Fig. 2 is the structure birds-eye view of rolling bearing type expansion pipe;
Fig. 3 is the left slide rail scheme drawing of rolling bearing type expansion pipe;
Fig. 4 is the mid-rail scheme drawing of rolling bearing type expansion pipe;
Fig. 5 is the right slide rail scheme drawing of rolling bearing type expansion pipe;
Fig. 6 is the anchoring clamping plate scheme drawing of rolling bearing type expansion pipe.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
A kind of rolling bearing type expansion pipe in the steel-aluminum conductor rail electric power system provided by the utility model, once be stuck in the waist of expansion pipe left side slide rail, expansion pipe mid-rail, the right slide rail of expansion pipe with two expansion pipe anchoring clamping plate, make have between itself and the contact rail favorable mechanical and electric continuously, guaranteeing that pantograph contact and regular link have identical gets current mass, smoothly successfully slips into and skid off, compensation rate when satisfying contact rail and expanding with heat and contract with cold, accident between pantograph hidden danger be can eliminate, operation security and reliability improved.
As shown in Figure 1, the structural representation that has shown this rolling bearing type expansion pipe, Fig. 2 has shown the birds-eye view of the expansion pipe of corresponding diagram 1, by diagram as can be known, this expansion pipe comprises: left slide rail 1, mid-rail 2, right slide rail 3, anchoring clamping plate 4, cable connector 5, cable clamp 6, the excessive plate 17 of copper aluminium and fastener (8,9,10,11; 7; 12,13,14,15; 13,14,15,16).
By Fig. 1, shown in Figure 2, two anchoring clamping plate 4 are stuck in left slide rail 1, mid-rail 2, the right slide rail 3 waist die cavities, make (two group 12,13,14,15 fasteners by four groups of bolts; Two group 13,14,15,16 fasteners) for fastener connects, each group fastener comprises nut 13, flat gasket 14, plays packing ring 15, bolt 12 or 16;
Be connected by cable connector 5 between the slide rail 1 of described expansion pipe mid-rail 2 an and expansion pipe left side and between expansion pipe mid-rail 2 and the expansion pipe right side slide rail 3, cable connector 5 is connected on the welding aluminium block 19 by bolt 7, the both sides of cable connector 5 are used copper to aluminum adapter bar 17 and cable clamp 6 clampings respectively, after the connection, cable connector 5 can rotate in road along the line direction; Whole device length overall 5m.
As shown in Figure 3, described expansion pipe left side slide rail 1 comprises left sliding track body 18 and welding welding aluminium block 19 in the above.During concrete enforcement, expansion pipe left side slide rail 1 is made up of left sliding track body 18 and the welding aluminium block 19 of 2.11m.
As shown in Figure 4, slide rail 2 in the middle of the described expansion pipe comprises mid-rail body 20 and two block weldings welding aluminium block 19 in the above, and this described expansion pipe mid-rail 2 is made up of 0.67m mid-rail body 20 and welding aluminium block 19.
As shown in Figure 5, the right slide rail 3 of described expansion pipe comprises right sliding track body 21 and welding welding aluminium block 19 in the above, and the right slide rail 3 of this expansion pipe is made up of right slide rail 21 and the welding aluminium block 19 of 2.11m.
As shown in Figure 6, described expansion pipe anchoring clamping plate 4 comprise anchoring clamping plate body 22 and the needle roller 23 that is placed in its chute.These anchoring clamping plate by bolted connection in the die cavity of expansion pipe left side slide rail 1, expansion pipe mid-rail 2, right slide rail 3 waists of expansion pipe.
Described cable connector 5 adopts the copper sheet lamination to form.
When this expansion pipe is installed, adopt two expansion pipe anchoring clamping plate 4 once to be stuck in the waist of expansion pipe left side slide rail, expansion pipe mid-rail, the right slide rail of expansion pipe, when snapping in expansion pipe anchoring clamping plate, give in its groove and put into needle roller, be coated with lubricating grease, penetrate bolted behind the adjustment mating holes, the Tightening moment of two bolts in both sides is 1Nm, the Tightening moment of middle two bolts is 30Nm, is coated with thread locking glue when fastening; Connect expansion pipe mid-rail and expansion pipe left side slide rail, the right slide rail of expansion pipe respectively with two cable connectors, block respectively the both sides of cable connector has cable clamp and copper aluminium to cross rebound, the fastening torque of bolt that penetrates in the welding aluminium block is 50～55Nm, be coated with thread locking glue when fastening, all the other fastening torque of bolt are 25～32Nm.
At circuit expansible anchor section joint the rolling bearing type expansion pipe is installed, during installation cable connector is placed the top of rolling bearing type expansion pipe, whole device two ends are fixed with center coupling and contact rail, bolt (nut 8, flat gasket 9, bullet packing ring 10, bolt 11) is fastening, and Tightening moment is 70Nm.
Rolling bearing type expansion pipe of the present utility model, mentality of designing is ingenious, simple in structure, under the prerequisite that guarantees the electric and mechanical characteristics of expansion pipe, has reduced initial sliding power greatly, has simplified manufacturing process, and installation and maintenance are more convenient.Change original copper coin line contact conduction into the soft connection device conduction,, optimized manufacturing process, guarantee the current-carrying capacity of expansion pipe, improved the conduction quality owing to adopt the flexible cable connecting device.The antifriction-bearing box that employing is embedded between contact rail and the anchoring clamping plate connects, and the cliding friction that changes with the contact of front face is a friction of rolling, has reduced sliding force and abrasion loss, the structure of original inapplicable small curve radius is changed into satisfy little curve to use.The fastener locking form adopts DTF (execute must firm screw thread) form, and scribbles thread locking glue, and loosening phenomenon can in use not take place.Between cable connector and welding aluminium block, be provided with copper to aluminum adapter bar, prevent electrocorrosion.
To sum up, this expansion pipe unit design is reasonable, and performance is good, and current-carrying capacity is big, and good looking appearance is installed and used efficient and conveniently, and the standardization level height has satisfied the operating needs of contact rail at the expansion cell place.
The above is embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present utility model.
Claims (7)
1. the compound rail rolling bearing type of steel aluminium expansion pipe comprises: left slide rail (1), mid-rail (2), right slide rail (3), first, second anchoring clamping plate (4), cable connector (5), cable clamp (6), the excessive plate of copper aluminium (17);
The first anchorage clip integrated circuit board is in the waist die cavity of left slide rail and mid-rail, the second anchorage clip integrated circuit board is in the waist die cavity of mid-rail and right slide rail, utilize two groups of fasteners to be fastenedly connected respectively, be connected by cable connector between described mid-rail and the left slide rail and between mid-rail and the right slide rail;
Described left slide rail and right slide rail have a welding aluminium block respectively with the mid-rail opposite end, described mid-rail then has a welding aluminium block respectively at the opposite end with left slide rail and right slide rail, this cable connector is welding on the aluminium block by bolted connection, the both sides of cable connector are used copper to aluminum adapter bar and cable clamp clamping respectively, after the connection, cable connector can rotate in road along the line direction.
2. the expansion pipe of the compound rail rolling bearing type of steel aluminium as claimed in claim 1 is characterized in that described fastener comprises: nut, flat gasket, bullet packing ring, bolt.
3. the expansion pipe of the compound rail rolling bearing type of steel aluminium as claimed in claim 1 is characterized in that,
The left slide rail of described expansion pipe comprises left sliding track body and welding welding aluminium block in the above, and this left side sliding track body is a trapezium structure, and this welds aluminium block at the place, oblique angle, base of trapezium structure, and joins with described mid-rail.
4. the expansion pipe of the compound rail rolling bearing type of steel aluminium as claimed in claim 1 is characterized in that,
The middle slide rail of described expansion pipe comprises mid-rail body and two block weldings welding aluminium block in the above, and this mid-rail is a diamond structure, and described welding aluminium block is positioned at two drift angle places of diamond structure, and joins with described left slide rail, right slide rail respectively.
5. the expansion pipe of the compound rail rolling bearing type of steel aluminium as claimed in claim 1 is characterized in that,
The right slide rail of described expansion pipe comprises right sliding track body and welding welding aluminium block in the above, and this right side slide rail is a trapezium structure, and described welding aluminium block is positioned at trapezoidal bottom bias place, and joins with described mid-rail.
6. the expansion pipe of the compound rail rolling bearing type of steel aluminium as claimed in claim 1 is characterized in that,
State the anchoring clamping plate of expansion pipe, comprise anchoring clamping plate body and be placed on needle roller in its chute, these anchoring clamping plate by bolted connection in the die cavity of expansion pipe left side slide rail, expansion pipe mid-rail, the right slide rail waist of expansion pipe.
7. the expansion pipe of the compound rail rolling bearing type of steel aluminium as claimed in claim 1 is characterized in that,
Described cable connector is a laminate structure, adopts the copper sheet lamination to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201091642U CN201439315U (en) | 2009-06-15 | 2009-06-15 | Rolling bearing type expansion joint of steel-aluminum composite rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201091642U CN201439315U (en) | 2009-06-15 | 2009-06-15 | Rolling bearing type expansion joint of steel-aluminum composite rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201439315U true CN201439315U (en) | 2010-04-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201091642U Expired - Lifetime CN201439315U (en) | 2009-06-15 | 2009-06-15 | Rolling bearing type expansion joint of steel-aluminum composite rail |
Country Status (1)
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| CN (1) | CN201439315U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823448A (en) * | 2010-04-28 | 2010-09-08 | 浙江旺隆轨道交通设备有限公司 | External sliding type expansion junction for contact rail |
| CN102501784A (en) * | 2011-10-27 | 2012-06-20 | 李维婉 | Wheel type three-rail insulating joint |
| CN103303164A (en) * | 2013-05-20 | 2013-09-18 | 新誉集团有限公司 | Expansion joint for conductive rail |
| CN103318054A (en) * | 2013-06-24 | 2013-09-25 | 北京星通浩宇科技发展有限公司 | Expansion joint for contact rail |
| CN105034855A (en) * | 2015-08-12 | 2015-11-11 | 浙江旺隆轨道交通设备有限公司 | Expansion joint of contact rails |
-
2009
- 2009-06-15 CN CN2009201091642U patent/CN201439315U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823448A (en) * | 2010-04-28 | 2010-09-08 | 浙江旺隆轨道交通设备有限公司 | External sliding type expansion junction for contact rail |
| CN101823448B (en) * | 2010-04-28 | 2012-07-25 | 浙江旺隆轨道交通设备有限公司 | External sliding type expansion junction for contact rail |
| CN102501784A (en) * | 2011-10-27 | 2012-06-20 | 李维婉 | Wheel type three-rail insulating joint |
| CN102501784B (en) * | 2011-10-27 | 2014-07-09 | 李维婉 | Wheel type three-rail insulating joint |
| CN103303164A (en) * | 2013-05-20 | 2013-09-18 | 新誉集团有限公司 | Expansion joint for conductive rail |
| CN103303164B (en) * | 2013-05-20 | 2016-04-20 | 新誉集团有限公司 | A kind of expansion joint for conductive rail |
| CN103318054A (en) * | 2013-06-24 | 2013-09-25 | 北京星通浩宇科技发展有限公司 | Expansion joint for contact rail |
| CN105034855A (en) * | 2015-08-12 | 2015-11-11 | 浙江旺隆轨道交通设备有限公司 | Expansion joint of contact rails |
| CN105034855B (en) * | 2015-08-12 | 2017-08-25 | 浙江旺隆轨道交通设备有限公司 | A kind of expansion pipe of conductor rail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Zengqin Inventor after: Zhang Gang Inventor after: Gong Jiangang Inventor after: Yan Chong Inventor after: Zhou Lin Inventor after: Wang Yongyi Inventor before: Li Zengqin Inventor before: Gong Jiangang Inventor before: Yan Chong Inventor before: Zhou Lin Inventor before: Wang Yongyi |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI ZENGQIN GONG JIANGANG YAN CHONG ZHOU LIN WANG YONGYI TO: LI ZENGQIN ZHANG GANG GONG JIANGANG YAN CHONG ZHOU LIN WANG YONGYI |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100421 |
|
| CX01 | Expiry of patent term |