CN209709588U - A kind of plastic-coated cable testing bridge - Google Patents
A kind of plastic-coated cable testing bridge Download PDFInfo
- Publication number
- CN209709588U CN209709588U CN201920519870.8U CN201920519870U CN209709588U CN 209709588 U CN209709588 U CN 209709588U CN 201920519870 U CN201920519870 U CN 201920519870U CN 209709588 U CN209709588 U CN 209709588U
- Authority
- CN
- China
- Prior art keywords
- zinc coat
- connection
- gantry
- unit
- plastic
- 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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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000011701 zinc Substances 0.000 claims abstract description 70
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 70
- 239000011247 coating layer Substances 0.000 claims description 20
- 239000010410 layer Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a kind of plastic-coated cable testing bridge, including several unit gantries, the connection end of two adjacent unit gantries passes through conduction connection sheet connection.The exposed zinc coat of wall outer surface at unit gantry connection end, after zinc coat on the inside of conduction connection sheet is contacted with zinc coat exposed at two adjacent unit gantry connection ends, realize conduction connection sheet to the connection between two adjacent unit gantries by fastening bolt.The utility model can get good earthing effect, eliminate jumper, reduce construction cost, and construction quality is secure.
Description
Technical field
The utility model relates to a kind of plastic-coated cable testing bridges, belong to plastic-coated cable testing bridge ground connection bridging process field.
Background technique
At present for areas such as the East China of rainy humidity, in order to guarantee the anti-corrosion and fire protecting performance, lasting longevity of cable testing bridge
Life and good appearance, it usually needs corrosion resistant coating layer will be sprayed again after steel gantry elder generation galvanizing by dipping, i.e., first hot dip the
Then one of zinc coat sprays second coating layer again.It finds from implementation, such as Fig. 1 and Fig. 2, splices by connection sheet 60
Connection sheet 60 is arranged in each unit gantry 10, i.e. the connection end side wall 14 of two adjacent unit gantries 10, then fastening bolt
(not shown) wears attaching nut after the pilot hole of unit gantry 10 and the connecting hole 601 of connection sheet 60, come the company of realization
When contact pin 60 is to connection between two adjacent unit gantries 10, since connection sheet 60 and unit gantry 10 all have two layers
First of zinc coat of well conducting can be completely covered for coating, second coating layer, and therefore, connection sheet 60 can not be played and be led
Electrical ground effect.So generalling use following way to handle: such as Fig. 1, being connected and abutted by jumper 30 (soft copper braid over braid)
Two unit gantries 10 on ground hole 12, thus by jumper 30 to plastic-coated cable testing bridge complete ground connection bridging processing,
Then, by jumper 30 between each unit gantry 10, eventually by the conduction fastening assembly 50 of 10 bottom of unit gantry, ground connection
Component 40 is grounded bridging.Such as Fig. 2, conducts fastening assembly 50 and generally include the bolt being threaded through on 10 slot bottom 13 of unit gantry
55 (flat head bolts), bolt 55 cooperates nut 51 to fix earthing component 40 and 10 phase of unit gantry, and bolt 55 and slot bottom
It is equipped with plain cushion 52 between 13, spring washer 54, plain cushion 52 and a kind of (the copper wiring of copper lug 53 are successively arranged between nut 51 and slot bottom 13
Terminal).
It can be found that above-mentioned traditional jumper grounding way has following defects that first from actual use, plating
Zinc layers cause its thickness that can not be detected by convenient because being completely covered；Second, need to be arranged more jumpers for cable testing bridge
30, construction cost is added additional, and increase construction complexity, while time-consuming and laborious, not can guarantee good ground connection also
Effect.
Utility model content
The purpose of this utility model is to provide a kind of plastic-coated cable testing bridges, can get good earthing effect, save
Jumper, reduces construction cost, construction quality is secure.
To achieve the goals above, the utility model uses following technical scheme:
A kind of plastic-coated cable testing bridge, it is characterised in that: it includes several unit gantries, the company of two adjacent unit gantries
It connects end and passes through conduction connection sheet connection, in which: the exposed zinc coat of wall outer surface at unit gantry connection end, conduction connect
After zinc coat on the inside of contact pin is contacted with zinc coat exposed at two adjacent unit gantry connection ends, pass through fastening bolt
Realize conduction connection sheet to the connection between two adjacent unit gantries.
The utility model has the advantages that:
The utility model is while guaranteeing that plastic-coated cable testing bridge is reliably connected, it is ensured that good earthing effect, and save
Jumper has been removed, working procedure is simplified, has accelerated construction speed, has reduced construction cost, time saving and energy saving, construction quality has guarantor
Barrier is handled the ground connection bridging of plastic-coated cable testing bridge suitable for rainy humid area.In addition, the utility model is detection zinc coat
Thickness is provided convenience, and testing cost is reduced.
Detailed description of the invention
Fig. 1 is traditional jumper grounding description of the process figure of plastic-coated cable testing bridge.
Fig. 2 is the attachment structure schematic diagram for conducting fastening assembly.
Fig. 3 is the structural schematic diagram of the utility model plastic-coated cable testing bridge.
Fig. 4 is the structural schematic diagram for conducting connection sheet.
Fig. 5 is the A-A of Fig. 4 to section enlarged diagram.
Fig. 6 is to conduct setting of the connection sheet on unit gantry to illustrate schematic diagram.
Specific embodiment
As shown in Figures 3 to 6, the utility model plastic-coated cable testing bridge includes several unit gantries 10, two adjacent lists
The connection end of first gantry 10 is connected by conduction connection sheet 20, in which: 14 appearance of side wall at 10 connection end of unit gantry
The zinc coat of the exposed zinc coat 15 in face and 14 rest part of side wall is covered by coating layer (not marking in figure), is conducted in connection sheet 20
Side, i.e. two 10 connecting pins of unit gantry towards zinc coat 23 and adjoining on the side of 10 side wall of unit gantry, 14 outer surface
Exposed zinc coat reliable contacts guarantee can to match by fastening bolt 70 after good conductive ground connection bridges on the side wall 14 at head place
It closes nut and realizes the connection conducted between 20 pairs of adjacent two unit gantries 10 of connection sheet.
The utility model uses traditional unit gantry 10, and unit gantry 10 includes steel gantry ontology, gantry ontology
Outer surface is coated with zinc coat, and zinc coat outer surface is coated with coating layer, and coating layer covers zinc coat but 10 connecting pin of unit gantry
The exposed zinc coat 15 in 14 outer surface of side wall at head.
In the present invention, conduction connection sheet 20 includes sheet body 22, in which: the inner surface of sheet body 22 is coated with zinc coat
23；The outer surface of sheet body 22 is coated with zinc coat 24, and 24 outer surface of zinc coat is coated with coating layer 25 and the covering plating of coating layer 25
Zinc layers 24.
Such as Fig. 1, the U-shaped unit gantry 10 in section is made of a slot bottom 13 and two side walls 14, such as unit gantry 10
U-shaped steel is selected to be made, the side wall 14 at 10 connection end of unit gantry is equipped with several pilot holes 11 and an at least ground hole 12
(a usually ground hole 12).
Such as Fig. 4 and Fig. 5, conduct connection sheet 20 and be equipped with several connecting holes 21, each connecting hole 21 with it is each on unit gantry 10
Pilot hole 11 is correspondingly arranged.
In practice, after fastening bolt 70 passes through the pilot hole 11 of the conduction connecting hole 21 of connection sheet 20, unit gantry 10,
Attaching nut (not shown) realizes the connection between conduction 20 pairs of adjacent two unit gantries 10 of connection sheet.
Preferable scheme is that the pilot hole 11 of unit gantry 10, conduct connection sheet 20 connecting hole 21 be both designed as it is oval
Hole and the two direction is vertical, is conducive to be fastenedly connected in this way.
In actual design, the two side walls 14 at two adjacent 10 connection ends of unit gantry are connected by a conduction
Contact pin 20 connects.In addition, the slot bottom 13 of unit gantry 10 is connect by conducting fastening assembly 50 with earthing component 40 referring to Fig. 3.
Such as Fig. 3, since without jumper, the ground hole 12 on unit gantry 10 can save.
Such as Fig. 3, the zinc coat 23 for conducting 20 inside of connection sheet is covered at two adjacent 10 connection ends of unit gantry
Side wall 14 on exposed zinc coat 15.
Further, in order to promote outer perception, conduction connection sheet 20 is typically designed as rectangle, correspondingly, exposed plating
The suitable same design in region 150 that zinc layers 15 are formed is rectangle, and in other words, in actual implementation, conduction connection sheet 20 is length
Rectangular, exposed zinc coat 15 is rectangle on the side wall 14 at two adjacent 10 connection ends of unit gantry, and conducts and connect
23 area of zinc coat of 20 inside of contact pin is greater than plating exposed on the side wall 14 at two adjacent 10 connection ends of unit gantry
15 area of zinc layers.
Such as Fig. 3, label 150 shows exposed zinc-plated on the side wall 14 at two adjacent 10 connection ends of unit gantry
Layer 15 is formed by region, this region is rectangle, and is covered by the zinc coat 23 of 20 inside of conduction connection sheet, also, conduct and connect
Two short sides of contact pin 20 inwardly reduce d1 i.e. two short sides in region thus, conduct the long side above connection sheet 20 and inwardly reduce d2 i.e.
Long side above region thus, and the long side below this region is aligned design, such pole with the long side below conduction connection sheet 20
The outer perception of gantry entirety is improved greatly.
In actual implementation, the size of distance d1, d2 can be rationally designed, without limitations.
The implementable following ground connection of the utility model plastic-coated cable testing bridge bridges processing step:
1) production conduction connection sheet 20；
2) 14 outer surface of side wall at 10 connection end of each unit gantry is enabled to expose zinc coat 15 and side wall 14 its remaining part
The zinc coat divided is covered by coating layer；
3) enable conduction connection sheet 20 inside, i.e., towards on the side of 10 side wall of unit gantry, 14 outer surface zinc coat 23 with
Exposed 15 reliable contacts of zinc coat guarantee good conductive on side wall 14 at two adjacent 10 connection ends of unit gantry
Ground connection bridges, and connects between the two unit gantries 10 that then will abut against conduction connection sheet 20 by 70 attaching nut of fastening bolt
It picks up and；
4) a certain or certain 10 bottoms of unit gantry are connect by conductive conduction fastening assembly 50 with earthing component 40, from
And complete the ground connection bridging treatment process of plastic-coated cable testing bridge.
In the present invention, earthing component 40 be installation on the ground, the component of such as steel material, there is conduction
Performance.
Such as Fig. 2, conducts fastening assembly 50 and generally include 55 (such as tack of bolt being threaded through on the slot bottom 13 of unit gantry 10
Bolt), bolt 55 cooperates nut 51 to fix earthing component 40 and 10 phase of unit gantry, and sets between bolt 55 and slot bottom 13
There is plain cushion 52, spring washer 54, plain cushion 52 and copper lug 53 (a kind of copper tip) are successively arranged between nut 51 and slot bottom 13.
In above-mentioned ground connection bridging processing step, unit gantry 10 includes steel gantry ontology, the outer surface of gantry ontology
It is coated with zinc coat, zinc coat outer surface is coated with coating layer, in which: except the wall outer surface at 10 connection end of unit gantry
Zinc coat 15 is exposed outer, remaining position zinc coat is covered by coating layer.Conducting connection sheet 20 includes sheet body 22, in which: sheet body 22
Inner surface is coated with zinc coat 23；22 outer surface of sheet body is coated with zinc coat 24, and 24 outer surface of zinc coat is coated with coating layer 25,
Coating layer 25 covers zinc coat 24.
In actual implementation, conduct connection sheet 20 production comprising steps of
Sheet body 22 is whole to carry out zinc-plated processing (such as hot dip treatment process), the plating shape on the medial and lateral surface of sheet body 22
At zinc coat 23,24；
Plastic-coated processing is carried out to the zinc coat 24 in 22 outside of sheet body, while keeping the zinc coat 23 of 22 inside of sheet body reliable naked
Dew, the zinc coat 24 in 22 outside of sheet body are sprayed-on the coating layer 25 to be formed and cover.
In actual implementation, the zinc coat 23 of 20 inside of conduction connection sheet preferably covers two adjacent unit gantries 10
Exposed zinc coat 15 on side wall 14 at connection end.
In preferred implement, heat resistant adhesive tape first is pasted on the zinc coat 23 of 22 inside of sheet body, then carries out plastic-coated again
Processing may insure that the zinc coat 23 of 22 inside of sheet body is reliable exposed, in which: the heat resistant adhesive tape of stickup connects without departing from conduction in this way
23 region of zinc coat of 20 inside of contact pin.
From the description above it is found that this ground connection bridging treatment process that the utility model plastic-coated cable testing bridge is implemented can make list
Ground hole 12 on first gantry 10 saves, to simplify the production of unit gantry, eliminates jumper working procedure, and then accelerate
Construction speed, reduces construction cost.
Understand referring to Fig. 3, the utility model plastic-coated cable testing bridge in use, passes through between each unit gantry 10
Conduct connection sheet 20, i.e., it is exposed on the zinc coat 23 of 20 inside of conduction connection sheet and the connection end side wall 14 of unit gantry 10
Direct contact between zinc coat 15, realizes quickly and effectively electrical conduction, the biography connected eventually by 10 bottom of unit gantry
Lead fastening assembly 50, earthing component 40 realizes good earthing effect.And the groove for each unit gantry 10 that head and the tail splice mutually
The channel for being laid with cable is formed, and since fluted external surface is anti-corrosion fireproof coating layer, for the cable of laying
Have effects that prevent fires well.
It should be noted that zinc coat has performances but a conduction such as anti-corrosion, coating layer has performances such as anti-corrosion, fire prevention but not
It is conductive.
The utility model has the advantages that:
The utility model is while guaranteeing that plastic-coated cable testing bridge is reliably connected, it is ensured that good earthing effect, and save
Jumper has been removed, working procedure is simplified, has accelerated construction speed, has reduced construction cost, time saving and energy saving, construction quality has guarantor
Barrier is handled the ground connection bridging of plastic-coated cable testing bridge suitable for rainy humid area.In addition, the utility model is detection zinc coat
Thickness is provided convenience, and testing cost is reduced.
The above is the utility model preferred embodiment and its technical principle used, for those skilled in the art
It is any based on technical solutions of the utility model basis without departing substantially from the spirit and scope of the utility model for member
On equivalent transformation, simple replacement etc. it is obvious change, belong within scope of protection of the utility model.
Claims (6)
1. a kind of plastic-coated cable testing bridge, it is characterised in that: it includes several unit gantries, the connection of two adjacent unit gantries
End passes through conduction connection sheet connection, in which: the exposed zinc coat of wall outer surface at unit gantry connection end, conduction connection
After zinc coat on the inside of piece is contacted with zinc coat exposed at two adjacent unit gantry connection ends, pass through fastening bolt reality
Now conduction connection sheet is to the connection between two adjacent unit gantries.
2. plastic-coated cable testing bridge as described in claim 1, it is characterised in that:
The unit gantry includes steel gantry ontology, and the outer surface of gantry ontology is coated with zinc coat, the spraying of zinc coat outer surface
There is coating layer, coating layer covers the exposed zinc coat of wall outer surface at zinc coat but the unit gantry connection end；
The conduction connection sheet includes sheet body, in which: the inner surface of sheet body is coated with zinc coat；The outer surface of sheet body is coated with
Zinc layers, zinc coat outer surface are coated with coating layer and coating layer covering zinc coat.
3. plastic-coated cable testing bridge as claimed in claim 2, it is characterised in that:
The U-shaped unit gantry in section is made of a slot bottom and two side walls, the side at the unit gantry connection end
Wall is equipped with several pilot holes and an at least ground hole；
The conduction connection sheet is equipped with several connecting holes；
After the fastening bolt passes through the pilot hole of the connecting hole of the conduction connection sheet, the unit gantry, attaching nut is real
The existing conduction connection sheet is to the connection between two adjacent unit gantries.
4. plastic-coated cable testing bridge as claimed in claim 3, it is characterised in that:
The ground hole on the unit gantry saves.
5. plastic-coated cable testing bridge according to any one of claims 1 to 4, it is characterised in that:
Zinc coat on the inside of the conduction connection sheet covers on the side wall at the unit gantry connection end of adjacent two
Exposed zinc coat.
6. plastic-coated cable testing bridge as claimed in claim 5, it is characterised in that:
The conduction connection sheet is rectangle, and exposed zinc coat is rectangular at two adjacent unit gantry connection ends
Shape, and the zinc coat area on the inside of the conduction connection sheet is exposed greater than at two adjacent unit gantry connection ends
Zinc coat area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519870.8U CN209709588U (en) | 2019-04-17 | 2019-04-17 | A kind of plastic-coated cable testing bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519870.8U CN209709588U (en) | 2019-04-17 | 2019-04-17 | A kind of plastic-coated cable testing bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209709588U true CN209709588U (en) | 2019-11-29 |
Family
ID=68648348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920519870.8U Expired - Fee Related CN209709588U (en) | 2019-04-17 | 2019-04-17 | A kind of plastic-coated cable testing bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209709588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921352A (en) * | 2019-04-17 | 2019-06-21 | 中铁建工集团安装工程有限公司 | A kind of plastic-coated cable testing bridge and its ground connection bridging processing method |
-
2019
- 2019-04-17 CN CN201920519870.8U patent/CN209709588U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921352A (en) * | 2019-04-17 | 2019-06-21 | 中铁建工集团安装工程有限公司 | A kind of plastic-coated cable testing bridge and its ground connection bridging processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 18, district 10, 188 South Fourth Ring Road West, Fengtai District, Beijing 100070 Patentee after: China Railway Construction Engineering Group Construction and installation Co.,Ltd. Patentee after: CHINA RAILWAY CONSTRUCTION ENGINEERING Group Address before: 100070 building 18, district 10, 188 South 4th Ring Road West, Fengtai District, Beijing Patentee before: CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP INSTALLATION ENGINEERING Co.,Ltd. Patentee before: CHINA RAILWAY CONSTRUCTION ENGINEERING Group |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |