CN209625931U - Double suspension cross arm insulators - Google Patents
Double suspension cross arm insulators Download PDFInfo
- Publication number
- CN209625931U CN209625931U CN201920592489.4U CN201920592489U CN209625931U CN 209625931 U CN209625931 U CN 209625931U CN 201920592489 U CN201920592489 U CN 201920592489U CN 209625931 U CN209625931 U CN 209625931U
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- China
- Prior art keywords
- terminal
- cross arm
- suspension cross
- double suspension
- main body
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- 239000012212 insulator Substances 0.000 title claims abstract description 35
- 239000000725 suspension Substances 0.000 title claims abstract description 34
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 12
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 125000006850 spacer group Chemical group 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Insulators (AREA)
Abstract
The utility model discloses a kind of double suspension cross arm insulators, including plug and silicon rubber, the plug includes main body, first terminal and Second terminal, the first terminal and the Second terminal are located at the axial ends of the main body, and in axial direction spacer sleeve is equipped with silicon rubber described in multi-turn for the periphery of the first terminal and the Second terminal.Main body is for connecting ground connection guided way in the utility model, and first terminal is for connecting positive SSO (Sun Synchronous Orbit), and Second terminal is for connecting cathode rail, therefore double suspension cross arm insulators of the utility model can be used for three rail contact net systems.
Description
Technical field
The utility model relates to the technical fields of trolleybus transport power supply system, more particularly, to a kind of to be used for three rails
Double suspension cross arm insulators of formula contact net.
Background technique
The power supply system contact net of the trolleybus transport of mine DC1500V is contacted with city trolley bus common at present
Net system and the existing similar place of subway rigid suspension catenary system, and have different place.The domestic or even world
Without any specification that can directly refer to and designing technique standard in range.
Currently, the structure of the existing compound cross arm insulator of DC1500V mainly includes plug, silicon rubber composite insulation umbrella
Skirt and both ends connecting bracket mainly undertake mechanical load and insulating effect in the effect of contact net system, but the insulation
The structure of sub- both ends suspension can not be applied in tri- rail contact net system of mine DC1500V.
Therefore, it is necessary to design a kind of double suspension cross arm insulators that can be used in three rail contact net systems.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and providing one kind can be used in three rail contact net systems
Double suspension cross arm insulators of system.
The technical solution of the utility model provides a kind of double suspension cross arm insulators, including plug and silicon rubber, the institute
Stating plug includes main body, first terminal and Second terminal, and the first terminal and the Second terminal are located at the main body
Axial ends, in axial direction spacer sleeve is equipped with silicon rubber described in multi-turn for the periphery of the first terminal and the Second terminal
Glue.
Further, the outer end of the first terminal and the Second terminal is respectively equipped with a metal-ware.
Further, the outer end of the first terminal is embedded in the first metal connecting piece, in first metal connecting piece
It offers along the first axial bolt hole.
Further, double suspension cross arm insulators further include the first bolt, the first spring washer and the first washer, and described
Described is inserted into after first spring washer described in one screw bolt passes, first washer, positive SSO (Sun Synchronous Orbit), the metal-ware
In one bolt hole and connect.
Further, the outer end of the Second terminal is embedded in the second metal connecting piece, in second metal connecting piece
It offers along the second axial bolt hole.
Further, double suspension cross arm insulators further include the second bolt, second spring washer and second packing ring, and described
Described is inserted into after second spring washer, the second packing ring described in two screw bolt passes, cathode rail, the metal-ware
In two bolts hole and connect.
Further, third bolt hole and mounting hole are radially offered in the main body.
Further, double suspension cross arm insulators further include third bolt, nut and pressing plate, and ground connection guided way passes through described
Mounting hole, two pieces of pressing plates are located at and are grounded guided way described in the two sides of the main body and block, the third bolt according to
It is secondary to pass through the pressing plate, the third bolt hole, another piece of pressing plate and the nut.
After adopting the above technical scheme, having the following beneficial effects:
Main body is used for connecting ground connection guided way, first terminal for connecting positive SSO (Sun Synchronous Orbit), Second terminal in the utility model
In connection cathode rail, therefore double suspension cross arm insulators of the utility model can be used for three rail contact net systems.
Detailed description of the invention
Referring to attached drawing, the disclosure of the utility model will be easier to understand.It is understood that these attached drawings are used only for
The purpose of explanation, and be not intended to and the protection scope of the utility model is construed as limiting.In figure:
Fig. 1 is the structural schematic diagram of double suspension cross arm insulators in an embodiment of the present invention；
Fig. 2 is the sectional view in Fig. 1 at A-A；
Fig. 3 is the structural schematic diagram in an embodiment of the present invention after double suspension cross arm insulator installations.
The appended drawing reference table of comparisons:
The positive SSO (Sun Synchronous Orbit) 30- cathode rail of the bis- suspension cross arm insulator 20- of 10-
40- is grounded guided way
1- plug 2- silicon rubber 3- metal-ware
11- first terminal 12- Second terminal 13- main body
111- the first metal connecting piece 112- the first bolt hole the first bolt of 113-
114- the first spring washer 115- the first washer the second metal connecting piece of 121-
122- the second bolt hole 123- the second bolt 124- second spring washer
125- second packing ring 131- third bolt hole 132- mounting hole
133- third bolt 134- nut 135- pressing plate
Specific embodiment
Further illustrate specific embodiment of the present utility model with reference to the accompanying drawing.
It is readily appreciated that, technical solution according to the present utility model, in the case where not changing the utility model in essence spirit, this field
The various structures mode that can be replaced mutually of those skilled in the art and implementation.Therefore, following specific embodiments and
Attached drawing is only the exemplary illustration to the technical solution of the utility model, and is not to be construed as the whole of the utility model or is considered as
Utility model technical solution is defined or limited.
It mentions in the present specification or up, down, left, right, before and after, front, the back side, top, the bottom that may mention etc.
Positional terms are defined relative to each construction shown in the drawings, they are opposite concepts, and it is therefore possible to can root
Correspondingly changed according to different location locating for it, different use states.So also should not be by these or others side
Position term is construed to restricted term.
As shown in Figure 1, double suspension cross arm insulators 10, including plug 1 and silicon rubber 2, plug 1 include main body 13, first
Terminal 11 and Second terminal 12, first terminal 11 and Second terminal 12 are located at the axial ends of main body 13, first terminal 11
In axial direction spacer sleeve is equipped with multi-turn silicon rubber 2 with the periphery of Second terminal 12.
Wherein, " axial direction " direction in the utility model refers to the transverse direction in Fig. 1 from left to right.Plug 1 is laterally put
It sets, is from left to right followed successively by first terminal 11, main body 13 and Second terminal 12, three parts are respectively used to connect different rails
Road.
Plug 1 is made of insulating material, for the main composition part of double suspension cross arm insulators 10.First terminal 11 and
The outer peripheral surface of two-terminal 12 is equipped with multi-turn silicon rubber 2.The central axis of silicon rubber 2 and plug 1 are coaxial.
As shown in figure 3, first terminal 11 is for connecting positive SSO (Sun Synchronous Orbit) 20, Second terminal 12 is for connecting cathode rail 30, main body
13 for connecting ground connection guided way 40.Therefore double suspension cross arm insulators in the present embodiment can be used for three rail contact net systems
System.
Further, as shown in figures 1 and 3, it is attached to be respectively equipped with a metal for the outer end of first terminal 11 and Second terminal 12
Part 3.Metal-ware 3 is used for the outer end face of block first terminal 11 and Second terminal 12.
Further, as shown in Figure 1, the outer end of first terminal 11 is embedded in the first metal connecting piece 111, the first metal connects
It is offered in fitting 111 along the first axial bolt hole 112.
As shown in figure 3, double suspension cross arm insulators further include the first bolt 113, the first spring washer 114 and the first washer
115, the first bolt 113 is inserted into after sequentially passing through the first spring washer 114, the first washer 115, positive SSO (Sun Synchronous Orbit) 20, metal-ware 3
In first bolt hole 112 and connect.
Positive SSO (Sun Synchronous Orbit) 20 is fixedly connected by the first bolt 113 with first terminal 11.First spring washer 114 and the first washer
115 between positive SSO (Sun Synchronous Orbit) 20 and the first bolt 113, for compressing positive SSO (Sun Synchronous Orbit) 20.Metal-ware 3 is located at positive SSO (Sun Synchronous Orbit) 20 and first
Between terminal 11.Through-hole is also offered in metal-ware 3 herein, is passed through for the first bolt 113.
Further, as shown in Figure 1, the outer end of Second terminal 12 is embedded in the second metal connecting piece 121, the second metal connects
It is offered in fitting 121 along the second axial bolt hole 122.
As shown in figure 3, double suspension cross arm insulators further include the second bolt 123, second spring washer 124 and second packing ring
125, the second bolt 123 is inserted into after sequentially passing through second spring washer 124, second packing ring 125, cathode rail 30, metal-ware 3
In second bolt hole 122 and connect.
Cathode rail 30 is fixedly connected by the second bolt 123 with Second terminal 12.Second spring washer 124 and second packing ring
125 between cathode rail 30 and the second bolt 123, for compressing cathode rail 30.Metal-ware 3 is located at cathode rail 30 and second
Between terminal 12.Through-hole is also offered in metal-ware 3 herein, is passed through for the second bolt 123.
Further, as shown in Figs. 1-2, third bolt hole 131 and mounting hole 132 are radially offered in main body 13.
Wherein, mounting hole 132 only one, positioned at the middle part of main body 13.There are two third bolts hole 131, is located at
The left and right sides in axial direction of main body 13.
Mounting hole 132 is used to pass through for ground connection guided way 40, and third bolt hole 131 is passed through for third bolt 133.
As shown in figure 3, double suspension cross arm insulators further include third bolt 133, nut 134 and pressing plate 135, ground connection guiding
Rail 40 passes through mounting hole 132, and two pressure plates 135 are located at the two sides of main body 13 and block ground connection guided way 40, third bolt
133 sequentially pass through pressing plate 135, third bolt hole 131, another block pressur plate 135 and nut 134.
After third bolt 133 and nut 134 are tightened, ground connection guided way 40 is fixedly connected with main body 13.
The utility model is separately connected different tracks by three parts, especially suitable for tri- rail of mine DC1500V
Contact net, compared with the compound cross arm insulator of traditional DC1500V, installation, dismounting and maintenance are more convenient；Each guide rail spacing
It is small, it is compact-sized；Insulator electrical insulation capability is good, it is ensured that the insulating requirements between each guide rail；Can be very good be suitable for tunnel,
The case where limited spaces such as tunnel.
Above-described is only the principles of the present invention and preferred embodiment.It should be pointed out that for the general of this field
For logical technical staff, on the basis of the utility model principle, several other modifications can also be made, also should be regarded as practical
Novel protection scope.
Claims (8)
1. a kind of double suspension cross arm insulators, including plug and silicon rubber, which is characterized in that the plug includes main body, first
Terminal and Second terminal, the first terminal and the Second terminal are located at the axial ends of the main body, and described first
In axial direction spacer sleeve is equipped with silicon rubber described in multi-turn for the periphery of terminal and the Second terminal.
2. double suspension cross arm insulators according to claim 1, which is characterized in that the first terminal and the second end
The outer end of son is respectively equipped with a metal-ware.
3. double suspension cross arm insulators according to claim 2, which is characterized in that the outer end of the first terminal is embedded in
First metal connecting piece offers in first metal connecting piece along the first axial bolt hole.
4. double suspension cross arm insulator according to claim 3, which is characterized in that double suspension cross arm insulators further include the
One bolt, the first spring washer and the first washer, the first spring washer described in first screw bolt passes, first pad
It is inserted into first bolt hole and connects after circle, positive SSO (Sun Synchronous Orbit), the metal-ware.
5. double suspension cross arm insulators according to claim 2, which is characterized in that the outer end of the Second terminal is embedded in
Second metal connecting piece offers in second metal connecting piece along the second axial bolt hole.
6. double suspension cross arm insulator according to claim 5, which is characterized in that double suspension cross arm insulators further include the
Two bolts, second spring washer and second packing ring, second spring washer described in second screw bolt passes, second pad
It is inserted into second bolt hole and connects after circle, cathode rail, the metal-ware.
7. double suspension cross arm insulator according to claim 1, which is characterized in that radially offer the in the main body
Three bolts hole and mounting hole.
8. double suspension cross arm insulator according to claim 7, which is characterized in that double suspension cross arm insulators further include the
Three bolts, nut and pressing plate, ground connection guided way pass through the mounting hole, and two pieces of pressing plates are located at the two sides of the main body
And guided way is grounded described in block, pressing plate described in the third screw bolt passes, the third bolt hole, another piece of pressure
Plate and the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920592489.4U CN209625931U (en) | 2019-04-28 | 2019-04-28 | Double suspension cross arm insulators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920592489.4U CN209625931U (en) | 2019-04-28 | 2019-04-28 | Double suspension cross arm insulators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209625931U true CN209625931U (en) | 2019-11-12 |
Family
ID=68459204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920592489.4U Active CN209625931U (en) | 2019-04-28 | 2019-04-28 | Double suspension cross arm insulators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209625931U (en) |
-
2019
- 2019-04-28 CN CN201920592489.4U patent/CN209625931U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |