CN111591171A - Double-bearing double-guide rigid short hanger for subway - Google Patents
Double-bearing double-guide rigid short hanger for subway Download PDFInfo
- Publication number
- CN111591171A CN111591171A CN202010482663.7A CN202010482663A CN111591171A CN 111591171 A CN111591171 A CN 111591171A CN 202010482663 A CN202010482663 A CN 202010482663A CN 111591171 A CN111591171 A CN 111591171A
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- Prior art keywords
- dropper
- wire
- cable
- double
- contact
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- 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
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
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- 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
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
- B60M1/24—Clamps; Splicers; Anchor tips
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention relates to a double-bearing double-guide rigid short dropper for a subway, which is connected between two carrier cables and two contact wires and is provided with a contact wire dropper wire clamp fixedly connected with the two contact wires, wherein a nylon protective sleeve is fixed on the carrier cables, the carrier cables positioned on two sides of the nylon protective sleeve are respectively and fixedly connected with carrier cable dropper wire clamps, a connecting steel wire is connected between the contact wire dropper wire clamp and the nylon protective sleeve, and an electric connection jumper wire for realizing the current carrying of the whole dropper is connected between one of the carrier cable dropper wire clamps and the contact wire dropper wire clamp. According to the invention, the nylon protective sleeve is arranged on the catenary cable, and the nylon protective sleeve and the catenary cable are kept in a clamping state, so that the connecting steel wire is kept unchanged in position when being subjected to lifting force, and the connecting steel wire and the catenary cable can be kept insulated at the same time, thus the use in a space with a small distance between the catenary cable and the contact wire can be met, and the stability and the safety of power transmission of the catenary are improved.
Description
Technical Field
The invention relates to a double-bearing double-guide rigid short dropper for a subway of an electrified railway contact network.
Background
The subway flexible suspension system usually adopts a double-bearing double-conduction power transmission mode, and a contact net system of the subway flexible suspension system is easy to droop due to the self weight of a contact line, so that the safety operation of the subway is seriously influenced, and the contact line is kept in a horizontal state generally by installing a carrier dropper between the contact line and a carrier cable. Due to the fact that the height of the subway construction structure is low, the existing adjustable integral dropper cannot be used in the place where the height of a carrier cable and the height of a contact line are smaller than 250 mm.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects in the prior art, the invention provides a double-bearing double-guide rigid short dropper for a subway, which is used in a space with a small distance between a catenary cable and a contact line and ensures the stability and the safety of power transmission of a contact network.
The technical scheme adopted by the invention for solving the technical problems is as follows: a double-bearing double-guide rigid short dropper for a subway is connected between two carrier cables and two contact wires and is provided with a contact wire dropper wire clamp fixedly connected with the two contact wires, a nylon protective sleeve is fixed on the carrier cables, the carrier cables positioned on two sides of the nylon protective sleeve are fixedly connected with carrier cable dropper wire clamps respectively, a connecting steel wire is connected between the contact wire dropper wire clamps and the nylon protective sleeve, and an electric connecting jumper wire for realizing the integral current carrying of the dropper is connected between one of the carrier cable dropper wire clamps and the contact wire dropper wire clamp.
Specifically, the contact wire dropper clamp comprises a pair of jacket sets which are arranged at a distance and fixedly connected, each jacket set clamps one contact wire, and a sleeve for keeping the distance between the two contact wires is arranged between the jacket sets.
Specifically, the carrier cable dropper wire clamp comprises two clamping plate groups which are arranged at a distance and fixedly connected, each clamping plate group clamps one carrier cable, and a spacer bush for keeping the distance between the two carrier cables is arranged between the clamping plate groups.
Furthermore, the connecting steel wire is bent into a frame shape by adopting a stainless steel wire, and the bottom end of the connecting steel wire is provided with a circular ring which is convenient for the connecting bolt to transversely pass through.
The invention has the beneficial effects that: according to the invention, the nylon protective sleeve is arranged on the catenary cable, and the nylon protective sleeve and the catenary cable are kept in a clamping state, so that the connecting steel wire is kept unchanged in position when being subjected to lifting force, and the connecting steel wire and the catenary cable can be kept insulated at the same time, thus the use in a space with a small distance between the catenary cable and the contact wire can be met, and the stability and the safety of power transmission of the catenary are improved.
Drawings
The invention is further described with reference to the following figures and embodiments.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a view from a in fig. 1.
Fig. 3 is a schematic structural diagram of the present invention. Schematic structural diagram of (1).
Fig. 4 is a schematic structural view of a messenger wire dropper clamp of the present invention.
In the figure: 1. the cable comprises a carrier cable, 2 contact wires, 3 contact wire dropper clamps, 3-1 clamping sleeve sets, 3-2 sleeves, 4 nylon protective sleeves, 5 carrier cable dropper clamps, 5-1 clamping plate sets, 5-2 spacer sleeves, 6 connecting steel wires and 7 electrically connected jumper wires.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The double-bearing double-guide rigid short dropper for the subway as shown in figures 1 to 4 is connected between two carrier cables 1 and two contact wires 2. The contact line dropper wire clamp 3 is provided with two contact lines 2 fixedly connected, the contact line dropper wire clamp 3 comprises a pair of jacket sets 3-1 which are arranged at a distance and fixedly connected, one of the jacket sets 3-1 adopts two forged copper clamp plates to clamp one contact line 2, the other jacket set 3-1 adopts one forged copper clamp plate and one threaded clamp plate to clamp one contact line 2, a sleeve 3-2 for keeping the distance between the two contact lines 2 is arranged between the jacket sets 3-1, and a bolt is adopted to penetrate through the jacket sets 3-1 and the sleeve 3-2 during installation and then is fastened by a nut.
The carrier cable 1 is fixed with a nylon protective sleeve 4, the carrier cables 1 positioned at two sides of the nylon protective sleeve 4 are respectively fixedly connected with a carrier cable dropper wire clamp 5, the carrier cable dropper wire clamp 5 comprises two clamping plate groups 5-1 which are arranged at intervals and fixedly connected, one clamping plate group 5-1 adopts two forged copper clamping plates to clamp one carrier cable 1, the other clamping plate group 5-1 adopts a forged copper clamping plate and a threaded clamping plate to clamp one carrier cable 1, a spacer 5-2 for keeping the interval between the two carrier cables 1 is arranged between the clamping plate groups 5-1, and bolts are adopted to penetrate through the clamping plate groups 5-1 and the spacer 5-2 and then are fastened by nuts during installation.
The connecting steel wire 6 is connected between the contact wire dropper wire clamp 3 and the nylon protective sleeve 4, the connecting steel wire 6 is of a frame structure with an opening at the lower end, and a circular ring convenient for a connecting bolt to transversely penetrate is arranged at the bottom end of the connecting steel wire 6.
Wherein an electric connection jumper 7 for realizing the purpose of current carrying of the whole dropper is connected between one of the carrier cable dropper wire clamps 5 and the contact wire dropper wire clamp 3.
According to the invention, the nylon protective sleeve 4 is arranged on the carrier cable 1 and keeps negative fit with the carrier cable 1, so that the nylon protective sleeve and the carrier cable 1 can keep a clamping state, the nylon protective sleeve 4 can prevent the connecting steel wire 6 from keeping unchanged in position when being subjected to lifting force, and the connecting steel wire 6 and the carrier cable 1 can keep insulated, so that current can be transmitted through the electric connecting jumper 7.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. A double-bearing double-guide rigid short dropper for a subway is connected between two carrier cables (1) and two contact wires (2), and is characterized in that: the contact wire dropper cable clamp comprises a contact wire dropper cable clamp (3) fixedly connected with two contact wires (2), a nylon protective sleeve (4) is fixed on a carrier cable (1), carrier cables (1) positioned on two sides of the nylon protective sleeve (4) are fixedly connected with carrier cable dropper cable clamps (5) respectively, a connecting steel wire (6) is connected between the contact wire dropper cable clamp (3) and the nylon protective sleeve (4), and an electric connecting jumper (7) for realizing the current-carrying of the dropper integrally is connected between one of the carrier cable dropper cable clamps (5) and the contact wire dropper cable clamp (3).
2. The double-bearing double-guide rigid short dropper for the subway as claimed in claim 1, wherein: the contact wire dropper wire clamp (3) comprises a pair of clamping sets (3-1) which are arranged at intervals and fixedly connected, each clamping set (3-1) clamps one contact wire (2), and a sleeve (3-2) for keeping the distance between the two contact wires (2) is arranged between the clamping sets (3-1).
3. The double-bearing double-guide rigid short dropper for the subway as claimed in claim 1, wherein: the carrier cable dropper wire clamp (5) comprises two clamping plate groups (5-1) which are arranged at a distance and fixedly connected, each clamping plate group (5-1) clamps one carrier cable (1), and a spacer bush (5-2) for keeping the distance between the two carrier cables (1) is arranged between the clamping plate groups (5-1).
4. The double-bearing double-guide rigid short dropper for the subway as claimed in claim 1, wherein: the connecting steel wire (6) is bent into a frame shape by adopting a stainless steel wire, and the bottom end of the connecting steel wire (6) is provided with a circular ring convenient for the connecting bolt to transversely pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010482663.7A CN111591171A (en) | 2020-06-01 | 2020-06-01 | Double-bearing double-guide rigid short hanger for subway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010482663.7A CN111591171A (en) | 2020-06-01 | 2020-06-01 | Double-bearing double-guide rigid short hanger for subway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111591171A true CN111591171A (en) | 2020-08-28 |
Family
ID=72191659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010482663.7A Pending CN111591171A (en) | 2020-06-01 | 2020-06-01 | Double-bearing double-guide rigid short hanger for subway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111591171A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721746A (en) * | 2021-02-02 | 2021-04-30 | 中铁二院工程集团有限责任公司 | Integral dropper device suitable for large-carrying-capacity electrified railway contact network system |
| CN116512994A (en) * | 2023-07-03 | 2023-08-01 | 中铁建电气化局集团轨道交通器材有限公司 | Hanger device of electrified railway contact net system |
-
2020
- 2020-06-01 CN CN202010482663.7A patent/CN111591171A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721746A (en) * | 2021-02-02 | 2021-04-30 | 中铁二院工程集团有限责任公司 | Integral dropper device suitable for large-carrying-capacity electrified railway contact network system |
| CN112721746B (en) * | 2021-02-02 | 2023-01-20 | 中铁二院工程集团有限责任公司 | Integral dropper device suitable for large-carrying-capacity electrified railway contact network system |
| CN116512994A (en) * | 2023-07-03 | 2023-08-01 | 中铁建电气化局集团轨道交通器材有限公司 | Hanger device of electrified railway contact net system |
| CN116512994B (en) * | 2023-07-03 | 2023-10-03 | 中铁建电气化局集团轨道交通器材有限公司 | Hanger device of electrified railway contact net system |
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