CN206734105U - A kind of contact net additive wire slidingtype insulation gap bar device - Google Patents
A kind of contact net additive wire slidingtype insulation gap bar device Download PDFInfo
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- CN206734105U CN206734105U CN201720594002.7U CN201720594002U CN206734105U CN 206734105 U CN206734105 U CN 206734105U CN 201720594002 U CN201720594002 U CN 201720594002U CN 206734105 U CN206734105 U CN 206734105U
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- insulation gap
- hinged
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- insulation
- guide wheel
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Abstract
The utility model discloses a kind of contact net additive wire slidingtype insulation gap bar device, on preformed shield lines (5), lower end installation additive wire (4), for the insulation being spaced between wire, including guide wheel group (1), insulation gap rod (2) and pre-hinged catenarian cable cleat (3)；Described guide wheel group (1) hangs on preformed shield lines (5) and slided, insulation gap rod (2) upper end is be hinged with guide wheel group (1), insulation gap rod (2) lower end is be hinged with pre-hinged catenarian cable cleat (3), and pre-hinged catenarian cable cleat (3) clamps additive wire (4).Solve the problems, such as the significantly swing of the additive wire of wind area electrification contact networks of rapid transit railway vertical arrangement and thus between caused two open traverse insulation distance deficiency and it is short-circuit, effectively reduce the vibration amplitude of oscillation, alleviate wire fatigue and connection parts wear, slidingtype design is effective avoid double branch different sizes it is not collinear it is swollen caused by the problems such as reversing caused by difference shifting amount.
Description
Technical field
It the utility model is related to mechanical structure and traffic engineering technical field, and in particular to electrification contact network skill
Art field, more particularly to a kind of contact net additive wire slidingtype insulation gap bar device.
Background technology
Common area (common area refers to zone of silence here, or wind-force is small that railway contact line can not be impacted,
Cheng Feifeng areas) railway contact line difference voltage or it is arranged vertically with the double branch additive wires of voltage, the double branch additive wires of different circuit,
Windage yaw can occur during operation causes insulation distance insufficient.In nor'wester area or inshore railway AT powering modes similarly hereinafter bridge
If positive feeder and protective wire between vibrate and two additive wires frequently occur often significantly vibrate and situation that amplitude frequency is opposite,
Easily cause insulation distance deficiency between additive wire and trip accident, have a strong impact on locomotive normal operation.
When common regional Chinese yeast line section runs into wind effect, suspension arrangement horizontal path direction swings larger, it is also possible to
Cause positive feeder insufficient with protection wire spacing and short circuit tripping operation, such accident Zheng Xi high ferros, Lanzhou-Xinjiang high ferro once occurred.Amplitude of oscillation mistake
Greatly, frequency height adds relative motion region and abrasion timeliness between parts, accelerates and wears between connection parts, can the company of causing
Accumulated fatigue is broken connecting to neutral part in a short time.
Common fixed conductor spacer, installed in being arranged vertically two additive wires such as positive feeders and protective wire or double branch supply
Between electric wire, when clue has angle along the swollen difference of line direction line caused by the temperature difference, or wind effect direction with line direction
When, common fixed conductor spacer can twist, and bent repeatedly with wire fixing end and cause wire fixing point fatigue fracture.
The Northwest's natural conditions are severe, and the signs of human habitation are few, and gobi is more；Wind area wind direction is stable, blows fast；Wind-force is strong, very big wind
Speed is more than 60m/s；Wind phase length, more than 8 grades strong wind number of days were average more than 100 days；The strong wind duration is grown, 12 grades and above strong wind
Process duration is most long 40 hours；Coastal area, has sea wind, cyclone logs in often, wind direction and its unstable, easily produces
It is raw to reverse so that sharp transition occurs for vertically arranged positive feeder and protective wire vibration frequency, it may occur that wire winding, twisted etc.
Accident.
The content of the invention
The purpose of this utility model is to provide a kind of contact net additive wire slidingtype insulation gap bar device, solves wind
The significantly swing of the additive wire of area electrification contact networks of rapid transit railway vertical arrangement and thus insulate between caused two open traverse
Distance deficiency and it is short-circuit the problem of, effectively reduce vibration the amplitude of oscillation, alleviate wire fatigue and connection parts wear, slidingtype design
It is effective avoid double branch different sizes it is not collinear it is swollen caused by the problems such as reversing caused by difference shifting amount.
The purpose of this utility model is achieved through the following technical solutions：
A kind of contact net additive wire slidingtype insulation gap bar device, on preformed shield lines 5, lower end installation is attached
Add wire 4, for the insulation being spaced between wire, including guide wheel group 1, insulation gap rod 2 and pre-hinged catenarian cable cleat 3；
Described guide wheel group 1 is hung on preformed shield lines 5 and slided, and the upper end of insulation gap rod 2 is cut with scissors with guide wheel group 1
Connect, the lower end of insulation gap rod 2 is be hinged with pre-hinged catenarian cable cleat 3, and pre-hinged catenarian cable cleat 3 clamps additive wire 4.
Described guide wheel group 1 includes 13, four pulley pin shafts 14 of lower sheave of top sheave 12, two of framework 11, two；Two
Individual top sheave 12 and two lower sheaves 13 are left and right symmetrically arranged in framework 11 by four pulley pin shafts 14；Preformed shield lines
5 between two top sheaves 12 and two lower sheaves 13 by passing through.
The described lower end of framework 11 is hinged by upper bolt pin 6 and the upper end of insulation gap rod 2.
The described middle part composite organic insulator 21 of insulation gap rod 2, both ends are metal forging part 22.
A kind of contact that the utility model embodiment provides it can be seen from above-mentioned technical scheme provided by the utility model
Net additive wire slidingtype insulation gap bar device, solve additional the leading of wind area electrification contact networks of rapid transit railway vertical arrangement
Between the significantly swing of line and thus caused two open traverse insulation distance deficiency and it is short-circuit the problem of, effectively reduce vibration the amplitude of oscillation,
Alleviation wire is tired and connection parts wear, slidingtype design effectively avoid pair branch different sizes not collinear swollen caused poor
The problems such as being reversed caused by different shifting amount.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
The accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present utility model
Example, on the premise of not paying creative work, can also be according to these accompanying drawings for one of ordinary skill in the art
Obtain other accompanying drawings.
Fig. 1 is that the structure for the contact net additive wire slidingtype insulation gap bar device that the utility model embodiment provides is shown
It is intended to；
Fig. 2 is the directive wheel for the contact net additive wire slidingtype insulation gap bar device that the utility model embodiment provides
Group structural representation one；
Fig. 3 is the directive wheel for the contact net additive wire slidingtype insulation gap bar device that the utility model embodiment provides
Group structural representation two.
Embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.Based on embodiment of the present utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of protection of the utility model.
The utility model embodiment is described in further detail below in conjunction with accompanying drawing.
Embodiment one
As shown in Figure 1, Figure 2 with shown in Fig. 3, a kind of contact net additive wire slidingtype insulation gap bar device, located at preformed
Protect lines 5 on, lower end installation additive wire 4, for the insulation being spaced between wire, the specific present apparatus can be used for different circuit,
Big spacing split conductor interval action between different voltage class, it is mainly used for positive feeder and protection under contact net AT powering modes
Between line, between double circuit feeding line, especially suitable for not collinear swollen interval wire, upper end slidingtype caused by different size and the temperature difference
It can compensate for shifting amount and can avoid reversing.
In structure, the present apparatus includes guide wheel group 1, insulation gap rod 2 and pre-hinged catenarian cable cleat 3；Described directive wheel
Group 1 hangs on preformed shield lines 5 and slided, and the upper end of insulation gap rod 2 and guide wheel group 1 are be hinged, the lower end of insulation gap rod 2 with
Pre-hinged catenarian cable cleat 3 is be hinged, and specifically be hinged by lower bolt pin 7, pre-hinged catenarian cable cleat 3 clamps additive wire 4.Specifically
Pre-hinged catenarian cable cleat 3 be ears structure, using cast aluminum alloy material, clamping installation additive wire 4.
In addition, described guide wheel group 1 includes 13, four pulley pin shafts of lower sheave of top sheave 12, two of framework 11, two
14；Framework 11 is process by steel plate, and the strength of materials is not less than Q235B, and is symmetrically arranged.The material of the wheel body of four pulleys
Material can use nylon66 fiber, and technique is Shooting Technique, and wheel body can also use ZL114, and manufacturing process is hot investment casting.And internally
There is rolling bearing 15, reduce frictional force.Two top sheaves 12 are symmetrical by four pulley pin shafts 14 with two lower sheaves 13
It is installed in framework 11；Preformed shield lines 5 between two top sheaves 12 and two lower sheaves 13 by passing through.The lower end of framework 11 is formed
Ears, at the lower end ears of framework 11, it is hinged by upper bolt pin 6 and the upper end of insulation gap rod 2.
Meanwhile the described middle part composite organic insulator 21 of insulation gap rod 2, both ends are metal forging part 22.Metal pattern
For forging 22 using the forging part of 35# steel, metal forging part 22 is monaural structure, the metal forging part 22 at both ends respectively with directive wheel
Group 1 and pre-hinged catenarian cable cleat 3 are be hinged.Its strength of materials is not less than the intensity of 35# steel.
The present apparatus has advantages below：
1st, there is insulation gap effect, vertically arranged double branch additive wires 4 are connected, such as positive feeder and protective wire or double branch
Supply lines etc..Double open traverses can be effectively avoided also to make because wind wobble amplitude difference causes insulation distance insufficient using this device
Obtain double open traverses mutually to restrict, the oscillating quantity of the double open traverses of reduction, electric, machine security reliability height, maintenance workload is small.
2nd, it is connected with the preformed shield lines 5 in top and is slided using symmetrical assembly pulley device, preformed shield lines 5 from double groups up and down
Passed through between wheel, preformed shield lines 5 can free play.The line bulk difference of the preformed shield lines 5 of double branch is can compensate for, in strong wind
Effect is lower can effectively avoid insulation gap rod reverse caused by fixing end destroy and wire fatigue, assembly pulley, which has, unloads work(
Energy.
3rd, make it that maximum degree of speeding place is in effective and safe distance under the preformed shield wind effect of lines 5 of double branch, mutually system
About weaken vibration frequency, also can greatly reduce the abrasion between connection parts.
4th, can effectively avoid double branch 4 amplitudes of oscillation of additive wire excessive and with other equipment, wire insulation electrical body or grounding body
Between distance deficiency problem, make trip accident reduction minimize, improve operation maintenance efficiency.
5th, security reliability is high, is easy to maintenance and operation management, wind resistance effect is good, is hanged suitable for strong wind area additive wire
Hang.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should
It is defined by the protection domain of claims.
Claims (4)
1. a kind of contact net additive wire slidingtype insulation gap bar device, on preformed shield lines (5), lower end installation is attached
Add wire (4), for the insulation being spaced between wire, it is characterised in that including guide wheel group (1), insulation gap rod (2) with it is preformed
Formula suspension clamp (3)；
Described guide wheel group (1) hangs on preformed shield lines (5) and slided, insulation gap rod (2) upper end and guide wheel group
(1) it is hinged, insulation gap rod (2) lower end is be hinged with pre-hinged catenarian cable cleat (3), and pre-hinged catenarian cable cleat (3) clamps additional lead
Line (4).
2. contact net additive wire slidingtype insulation gap bar device according to claim 1, it is characterised in that described
Guide wheel group (1) includes framework (11), two top sheaves (12), two lower sheaves (13), four pulley pin shafts (14)；On two
Pulley (12) is left and right symmetrically arranged in framework (11) with two lower sheaves (13) by four pulley pin shafts (14)；Preformed shield
Lines (5) between two top sheaves (12) and two lower sheaves (13) by passing through.
3. contact net additive wire slidingtype insulation gap bar device according to claim 2, it is characterised in that described
Framework (11) lower end is hinged by upper bolt pin (6) and insulation gap rod (2) upper end.
4. the contact net additive wire slidingtype insulation gap bar device according to claim 1,2 or 3, it is characterised in that
Composite organic insulator (21) in the middle part of described insulation gap rod (2), both ends are metal forging part (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720594002.7U CN206734105U (en) | 2017-05-25 | 2017-05-25 | A kind of contact net additive wire slidingtype insulation gap bar device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720594002.7U CN206734105U (en) | 2017-05-25 | 2017-05-25 | A kind of contact net additive wire slidingtype insulation gap bar device |
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| Publication Number | Publication Date |
|---|---|
| CN206734105U true CN206734105U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720594002.7U Active CN206734105U (en) | 2017-05-25 | 2017-05-25 | A kind of contact net additive wire slidingtype insulation gap bar device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097688A (en) * | 2017-05-25 | 2017-08-29 | 中铁第五勘察设计院集团有限公司 | A kind of contact net additive wire slidingtype insulation gap bar device |
-
2017
- 2017-05-25 CN CN201720594002.7U patent/CN206734105U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097688A (en) * | 2017-05-25 | 2017-08-29 | 中铁第五勘察设计院集团有限公司 | A kind of contact net additive wire slidingtype insulation gap bar device |
| CN107097688B (en) * | 2017-05-25 | 2023-08-18 | 中铁第五勘察设计院集团有限公司 | Sliding type insulating spacer device for additional wires of contact net |
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