CN207244468U - Bridge construction protective device under a kind of high-voltage line - Google Patents
Bridge construction protective device under a kind of high-voltage line Download PDFInfo
- Publication number
- CN207244468U CN207244468U CN201721294848.5U CN201721294848U CN207244468U CN 207244468 U CN207244468 U CN 207244468U CN 201721294848 U CN201721294848 U CN 201721294848U CN 207244468 U CN207244468 U CN 207244468U
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- protective device
- device under
- bridge
- bridge construction
- protection canopy
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Abstract
The utility model discloses bridge construction protective device under a kind of high-voltage line, include protection canopy, the protection canopy includes supporting rack and ceiling, support frame as described above and ceiling are hardware, support frame as described above is used to support the ceiling, the protection canopy is arranged on above the Luo Liang mechanisms of Bridge Erector, and the protection canopy and Bridge Erector are respectively connected with earthing or grounding means.Section assembling bridge operation height can be limited using the present apparatus, ensure the safe distance of operation under crane span structure equipment and operating personnel's super-high voltage, the sensing electric current that effectively high-tension bus-bar is produced flows into the earth, ensure that operating personnel's personal safety, crane span structure equipment run well, reduce influence of the high pressure thread environment to construction, the security of bridge construction operation is improved, reduces construction risk, ensures construction speed.
Description
Technical field
A kind of bridge protection device is the utility model is related to, bridge construction protective device under more particularly to a kind of high-voltage line.
Background technology
China's economy gradually develops, and traffic engineering constantly extends, and needs to face various complicated constructions in building course
Environment, wherein, high-voltage line is worn under bridge formation process is inevitable, causes normalization of constructing under high-voltage line, is built a bridge under high-voltage line, especially
It is under the super-high voltage of such as more than 500kv, although constructing operation interface is located at beyond the safe distance of high-tension bus-bar, but still
Closer to the distance with high-voltage line, under the influence of super-pressure induced field, sensing electric current etc., prolonged continuous bridging operation, builds bridge
Machine lacks effective protective device, and the safety of operating personnel is also difficult to effective guarantee, and security risk is very big, is brought to construction non-
Often big difficulty, therefore, effective protective device effectively protect sensing electric current necessary Bridge Erector and operating personnel.
Utility model content
The purpose of the utility model is to overcome the peace that the prior art carries out bridge construction, equipment and personnel under high-voltage line
Full blast is nearly big, constructional difficulties, influences the above-mentioned deficiency such as construction speed, increase construction cost, there is provided bridge is applied under a kind of high-voltage line
Work protective device.
To achieve these goals, the utility model provides following technical scheme：
Bridge construction protective device under a kind of high-voltage line, comprising protection canopy, the protection canopy includes supporting rack and ceiling, institute
It is hardware to state supporting rack and ceiling, and support frame as described above is used to support the ceiling, and the protection canopy is arranged on Bridge Erector
Above Luo Liang mechanisms, the protection canopy and Bridge Erector are respectively connected with earthing or grounding means.
Using bridge construction protective device under a kind of high-voltage line described in the utility model, since Luo Liang mechanisms are Bridge Erector
On extreme higher position device, using hardware protection canopy by engineering equipment protection get up, the protection canopy and Bridge Erector
Earthing or grounding means is respectively connected with, section assembling bridge operation height can be limited, it is ensured that crane span structure equipment and operating personnel's super-high voltage
The safe distance of lower operation, the sensing electric current for effectively producing high-tension bus-bar flow into the earth, it is ensured that operating personnel's personal safety, bridge
Standby normal operation is set up, reduces influence of the high pressure thread environment to construction, improves the security of bridge construction operation, reduces construction
Risk, ensures construction speed.
Preferably, the earthing or grounding means includes electric wire one, pier top embedded bar and multiple grounding body.
Preferably, the supporting leg of the Bridge Erector connects the pier top embedded bar, the protection canopy by the electric wire one
The pier top embedded bar and multiple grounding body are connected by the electric wire one respectively.
Since during construction, supporting leg and the Luo Liang mechanism needs to separate, thus by pier top embedded bar and
Multiple grounding body makes the sensing electric current on the Bridge Erector and protection canopy flow into the earth respectively, it is ensured that and ground resistance is met the requirements,
Ensure security.
Preferably, the multiple grounding body includes an at least zinc-plated drop bar.
Preferably, the depth of the every zinc-plated drop bar into underground layer is greater than or equal to 80cm.
Preferably, support frame as described above is made of some coating steel pipes, all steel-pipe weldings be connected to it is described fall beam
On the bearing of mechanism.
Using aforesaid way, the protection easy to the movement of the protection canopy and to Luo Liang mechanisms.
Preferably, the ceiling includes some zinc-plated square tubes and metal cover board, and the square tube is welded to connect with supporting rack.
Preferably, live wire two is connected between support frame as described above and ceiling.
It will be connected using electric wire two between supporting rack and ceiling, conductive performance is more preferable.
In conclusion compared with prior art, the beneficial effects of the utility model are：
1st, using bridge construction protective device under a kind of high-voltage line described in the utility model, section assembling bridge can be limited
Beam operation height, it is ensured that the safe distance of operation under crane span structure equipment and operating personnel's super-high voltage, effectively produces high-tension bus-bar
Sensing electric current flow into the earth, it is ensured that operating personnel's personal safety, crane span structure equipment run well, reduce high pressure thread environment to applying
The influence of work, improves the security of bridge construction operation, reduces construction risk, ensures construction speed.
2nd, using bridge construction protective device under a kind of high-voltage line described in the utility model, by pier top embedded bar and
Multiple grounding body makes sensing electric current flow into the earth, it is ensured that ground resistance is met the requirements.
3rd, using bridge construction protective device under a kind of high-voltage line described in the utility model, easy to the shifting of the protection canopy
The dynamic and protection to Luo Liang mechanisms.
Brief description of the drawings：
Fig. 1 is the structure diagram of bridge construction protective device under a kind of high-voltage line described in the utility model.
Fig. 2 is the structural side view of protection canopy described in the utility model.
Marked in figure：1- supporting racks, 2- ceilings, 3- Luo Liang mechanisms, 41- electric wires one, 42- electric wires two, 5- pier top pre-buried steels
Muscle, 6- multiple grounding bodies, 7- supporting legs.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail the utility model.But this should not be understood
Following embodiment, all technologies realized based on the utility model content are only limitted to for the scope of the above-mentioned theme of the utility model
Belong to the scope of the utility model.
Embodiment 1
As shown in Figs. 1-2, bridge construction protective device under a kind of high-voltage line described in the utility model, comprising protection canopy,
The protection canopy includes supporting rack 1 and ceiling 2, and the protection canopy is arranged on the top of Luo Liang mechanisms 3, and support frame as described above 1 is by four platings
Zinc steel pipe is formed, and all steel-pipe weldings are connected on the bearing of the Luo Liang mechanisms 3, and the ceiling 2 is zinc-plated comprising four
Square tube and metal cover board, the square tube are welded to connect with supporting rack 1, and the metal cover board is color steel tile, support frame as described above 1 and top
Wire connection terminal is welded with canopy 2, easy to be connected with the wire connection terminal on electric wire 2 42, the electric wire 2 42 is connected to the branch
Between support 1 and ceiling 2, the protection canopy and Bridge Erector are respectively connected with earthing or grounding means, the earthing or grounding means include electric wire 1,
Pier top embedded bar 5 and multiple grounding body 6, the supporting leg 7 of the Bridge Erector are pre-buried by the electric wire 1 connection pier top
Reinforcing bar 5, support frame as described above 1 connects the pier top embedded bar 5 and multiple grounding body 6 respectively by the electric wire 1, described
Pier top embedded bar 5 is used as wiring body after being welded by band iron, the multiple grounding body 6 includes a zinc-plated drop bar, described
The depth of zinc-plated drop bar into underground layer is equal to 80cm, and the electric wire 1 and electric wire 2 42 use such as 50mm2Etc. big specification
Soft copper core cable, the protection canopy be integrally located at high-voltage line security control distance beyond, moved with the Luo Liang mechanisms 3
Work progress in, the security control distance of high-voltage line will not be entered, each Luo Liang mechanisms 3 be equipped with a protective device.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
1. bridge construction protective device under a kind of high-voltage line, it is characterised in that comprising protection canopy, the protection canopy includes supporting rack
(1) and ceiling (2), support frame as described above (1) and ceiling (2) are hardware, and support frame as described above (1) is used to support the ceiling
(2), the protection canopy is arranged on above the Luo Liang mechanisms (3) of Bridge Erector, and the protection canopy and Bridge Erector are respectively connected with earthing or grounding means.
2. bridge construction protective device under a kind of high-voltage line according to claim 1, it is characterised in that the earthing or grounding means
Include electric wire one (41), pier top embedded bar (5) and multiple grounding body (6).
3. bridge construction protective device under a kind of high-voltage line according to claim 2, it is characterised in that the Bridge Erector
Supporting leg (7) connects the pier top embedded bar (5) by the electric wire one (41), and the protection canopy passes through the electric wire one (41)
The pier top embedded bar (5) and multiple grounding body (6) are connected respectively.
4. bridge construction protective device under a kind of high-voltage line according to claim 2, it is characterised in that the multiple grounding
Body (6) includes an at least zinc-plated drop bar.
5. bridge construction protective device under a kind of high-voltage line according to claim 4, it is characterised in that every described zinc-plated
The depth of drop bar into underground layer is greater than or equal to 80cm.
6. according to bridge construction protective device under a kind of any high-voltage lines of claim 1-5, it is characterised in that the branch
Support (1) is made of some coating steel pipes, and all steel-pipe weldings are connected on the bearing of the Luo Liang mechanisms (3).
7. according to bridge construction protective device under a kind of any high-voltage lines of claim 1-5, it is characterised in that the top
Canopy (2) includes some zinc-plated square tubes and metal cover board, and the square tube is welded to connect with supporting rack (1).
8. according to bridge construction protective device under a kind of any high-voltage lines of claim 1-5, it is characterised in that the branch
Live wire two (42) is connected between support (1) and ceiling (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721294848.5U CN207244468U (en) | 2017-09-30 | 2017-09-30 | Bridge construction protective device under a kind of high-voltage line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721294848.5U CN207244468U (en) | 2017-09-30 | 2017-09-30 | Bridge construction protective device under a kind of high-voltage line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207244468U true CN207244468U (en) | 2018-04-17 |
Family
ID=61890769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721294848.5U Active CN207244468U (en) | 2017-09-30 | 2017-09-30 | Bridge construction protective device under a kind of high-voltage line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207244468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979102A (en) * | 2018-08-08 | 2018-12-11 | 广东永和建设集团有限公司 | One kind closing on high-voltage line safe construction method |
-
2017
- 2017-09-30 CN CN201721294848.5U patent/CN207244468U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979102A (en) * | 2018-08-08 | 2018-12-11 | 广东永和建设集团有限公司 | One kind closing on high-voltage line safe construction method |
| CN108979102B (en) * | 2018-08-08 | 2020-08-28 | 广东永和建设集团有限公司 | Safe construction method for high-voltage line |
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