CN201712494U - Flexible suspension for tunnel branch tension compensation contact net - Google Patents
Flexible suspension for tunnel branch tension compensation contact net Download PDFInfo
- Publication number
- CN201712494U CN201712494U CN2010202496973U CN201020249697U CN201712494U CN 201712494 U CN201712494 U CN 201712494U CN 2010202496973 U CN2010202496973 U CN 2010202496973U CN 201020249697 U CN201020249697 U CN 201020249697U CN 201712494 U CN201712494 U CN 201712494U
- Authority
- CN
- China
- Prior art keywords
- tunnel
- bracket pipe
- flexible suspension
- cantilever
- spacing ring
- 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.)
- Expired - Fee Related
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model belongs to the technical field of compensation contact networks of electric railways, and discloses a flexible suspension for a tunnel branch tensioning compensation contact network, which is mainly and technically characterized by comprising a cantilever tube which is fixed on funnel walls by fixing seats, and insulating sleeves which are provided with insulating supporting seats and sleeved at the two sides of the cantilever tubes, and a positioning supporting seat is sleeved on the cantilever between the two insulating sleeves; a positioner is arranged below the positioning supporting seat, and a catenary wire seat is arranged above the positioning supporting seat; and a limit ring is arranged on the cantilever tube, and a compensation spring is arranged between the limit ring and the positioning supporting seat. The compensation spring is sleeved on the cantilever tube at a positioning point, and catenary wires and the positioner are pushed by the counteraction of the compensation spring, so that the stagger of network wires is limitedly changed within a certain range, and positive and reverse positioning points generate lateral force on the network wires in the horizontal direction, thereby compensating for the tension of the network wires. The utility model overcomes the problems that the tension of the contact network is uneven because it is inconvenient to anchor in the tunnel.
Description
Technical field
The utility model belongs to electrified railway compensation contact system technical field, relates in particular to a kind of tunnel and divides tension compensating contact system flexible suspension.
Background technology
In recent years China's electrified railway develop rapidly, the electric locomotive of high-speed cruising requires more and more higher to the safe reliability of overhead current collection.In tunnel or urban track traffic, because the space is limited in the tunnel, it is very inconvenient to cast anchor in the tunnel, and it is difficult in maintenance, only outside the tunnel, cast anchor and can not satisfy the planeness of long tunnel contact system, little in order to take up room, construction and easy to maintenance, employing is rigid suspended mostly, and a plurality of bus ducts of rigid suspended employing connect by expansion joints, when extending and dwindling because of reason bus ducts such as temperature traverses, lap by bus duct in the expansion joints compensates, when train was run at high speed, expansion joints was handled bad can influence being subjected to the continuity of electricity and bringing potential safety hazard, and cost is higher.
The utility model content
The technical matters that the utility model solves just provides and a kind ofly is subjected to need not in electric safe reliability height, the tunnel to cast anchor, do not have that the arcing phenomenon takes place, the contact pressure tunnel even, that safety performance is high of bow net divides tension compensating contact system flexible suspension.
For solving the problems of the technologies described above, the utility model tunnel divides the tension compensating contact system with the technical scheme that flexible suspension adopts to be: comprise by the fixing bracket pipe of permanent seat and tunnel wall be placed in these bracket pipe both sides and have the insulating tube of insulated leg, on the bracket pipe between described two insulating tubes, be with positioning support, below described positioning support, be provided with steady arm, above described positioning support, be provided with Messenger Wire base, described bracket pipe is provided with spacing ring, is provided with compensator spring between described spacing ring and positioning support.
Its additional technical feature is:
The bracket pipe of described spacing ring both sides is provided with the adjusting round, and described spacing ring is fixed on the described bracket pipe by the bearing pin that passes described adjusting round.
Described permanent seat is provided with the balance adjustable bolt.Tunnel provided by the utility model divides the tension compensating contact system compared with prior art to have the following advantages with flexible suspension: one, since comprise by the fixing bracket pipe of permanent seat and tunnel wall be placed in these bracket pipe both sides and have the insulating tube of insulated leg, on the bracket pipe between described two insulating tubes, be with positioning support, below described positioning support, be provided with steady arm, above described positioning support, be provided with Messenger Wire base, described bracket pipe is provided with spacing ring, between described spacing ring and positioning support, be provided with compensator spring, like this, suit compensator spring on locating point place bracket pipe, utilize the antagonistic force of compensator spring to promote catenary and steady arm bearing, make netting twine " it " word stagger limit change within the specific limits, all to netting twine in the horizontal direction produce a side force at each positive and negative locating point place this moment, thereby netting twine tension force is compensated.When contact wire varies with temperature when flexible, the compensator spring at each locating point place will promote catenary and the steady arm bearing moves, and line is expanded digestion at each locating point place of striding, and makes contact wire can carry out the real-time tracking compensation between each span.Because this compensation way netting twine is not done and is vertically moved, so Horizontal Cantilever need not swung.This scheme is applicable to the less operating mode of the longer temperature difference in tunnel, does not establish other compensating device at the middle part, tunnel, thereby has simplified overhung construction in the tunnel, makes the suspention parts more simplify single; They are two years old, because the bracket pipe of described spacing ring both sides is provided with the adjusting round, described spacing ring is fixed on the described bracket pipe by the bearing pin that passes described adjusting round, like this, in installation process, can regulate the position of spacing ring on the bracket pipe according to actual needs, thereby regulate the elastic force size of guiding compensator spring; Its three because described permanent seat is provided with the balance adjustable bolt, can regulate the balance position of bracket pipe as required.
Description of drawings
Accompanying drawing divides the structural representation of tension compensating contact system with flexible suspension for the utility model tunnel.
The specific embodiment
Divide structure and the use principle of tension compensating contact system to be described in further details below in conjunction with accompanying drawing to the utility model tunnel with flexible suspension.
As shown in drawings, the utility model tunnel divides the structural representation of tension compensating contact system with flexible suspension, this tunnel divides the tension compensating contact system to comprise the bracket pipe of fixing by permanent seat 1 and tunnel wall 23 with flexible suspension, be with the insulating tube 4 that has insulated leg 41 in the both sides of bracket pipe 3, on the bracket pipe 3 between two insulating tubes 4, be with positioning support 5, below positioning support 5, be provided with steady arm 51, above positioning support 5, be provided with Messenger Wire base 52, bracket pipe 3 is provided with spacing ring 6, is provided with compensator spring 7 spacing ring 6 and positioning support 5.Like this, suit compensator spring 7 on locating point place bracket pipe 3, utilize the antagonistic force of compensator spring 7 to promote catenary and steady arm, make netting twine " it " word stagger limit change within the specific limits, all netting twine is produced a side force in the horizontal direction at each positive and negative locating point place like this, thereby netting twine tension force is compensated.When contact wire varies with temperature when flexible, the compensator spring at each locating point place will promote catenary and the steady arm bearing moves, and line is expanded digestion at each locating point place of striding, and makes contact wire can carry out the real-time tracking compensation between each span.Because this compensation way netting twine is not done and is vertically moved, so Horizontal Cantilever need not swung.This scheme is applicable to the less operating mode of the longer temperature difference in tunnel, does not establish other compensating device at the middle part, tunnel, thereby has simplified overhung construction in the tunnel, makes the suspention parts more simplify single.
For in installation process, can be according to actual needs, regulate the position of spacing ring 6 on bracket pipe 3, thereby regulate the elastic force size of guiding compensator spring 7, the bracket pipe 3 of spacing ring 6 both sides is provided with regulates round 31, and spacing ring 6 is fixed on the bracket pipe 3 by passing the bearing pin 32 of regulating round 31.
In order to regulate the state of equilibrium of bracket pipe 3, permanent seat 1 is provided with balance adjustable bolt 11, by adjusting balance adjustable bolt 11, can regulate the height of this side bracket pipe, thereby adjusts the balance of bracket pipe.
Protection domain of the present utility model not only is confined to the foregoing description, as long as structure divides the tension compensating contact system identical with the flexible suspension structure with the utility model tunnel, just drops on the scope of the utility model protection.
Claims (3)
1. the tunnel divides tension compensating contact system flexible suspension, it is characterized in that: comprise by the fixing bracket pipe of permanent seat and tunnel wall and be placed in these bracket pipe both sides and have the insulating tube of insulated leg, on the bracket pipe between described two insulating tubes, be with positioning support, below described positioning support, be provided with steady arm, above described positioning support, be provided with Messenger Wire base, described bracket pipe is provided with spacing ring, is provided with compensator spring between described spacing ring and positioning support.
2. tunnel according to claim 1 divides tension compensating contact system flexible suspension, it is characterized in that: the bracket pipe of described spacing ring both sides is provided with the adjusting round, and described spacing ring is fixed on the described bracket pipe by the bearing pin that passes described adjusting round.
3. tunnel according to claim 1 and 2 divides tension compensating contact system flexible suspension, it is characterized in that: described permanent seat is provided with the balance adjustable bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202496973U CN201712494U (en) | 2010-07-03 | 2010-07-03 | Flexible suspension for tunnel branch tension compensation contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202496973U CN201712494U (en) | 2010-07-03 | 2010-07-03 | Flexible suspension for tunnel branch tension compensation contact net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201712494U true CN201712494U (en) | 2011-01-19 |
Family
ID=43458493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202496973U Expired - Fee Related CN201712494U (en) | 2010-07-03 | 2010-07-03 | Flexible suspension for tunnel branch tension compensation contact net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201712494U (en) |
-
2010
- 2010-07-03 CN CN2010202496973U patent/CN201712494U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20180703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |