CN110854784A - Cable trench cover plate with fire extinguishing function - Google Patents
Cable trench cover plate with fire extinguishing function Download PDFInfo
- Publication number
- CN110854784A CN110854784A CN201911232974.1A CN201911232974A CN110854784A CN 110854784 A CN110854784 A CN 110854784A CN 201911232974 A CN201911232974 A CN 201911232974A CN 110854784 A CN110854784 A CN 110854784A
- Authority
- CN
- China
- Prior art keywords
- fire extinguishing
- cover plate
- cover
- apron
- cable trench
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
- H02G9/025—Coverings therefor, e.g. tile
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/66—Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers
- A62C13/68—Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers characterised by means for releasing the extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
- A62C13/78—Suspending or supporting devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
Abstract
The utility model provides a cable trench cover with function of putting out a fire, relates to the substation equipment field, including the apron, the apron is placed on the cable pit, the cable pit both sides are equipped with the guide way, a plurality of apron have been placed in the guide way, the apron both sides are equipped with insertion mechanism and the slot that is used for connecting adjacent apron, are equipped with the subassembly of putting out a fire in the apron bottom. The invention can solve the problems that a gap is easily generated between the traditional cable trench cover plate and the cable trench cover plate groove can not be embedded, the design and the disassembly and the installation of the switch are more convenient, the design of the insertion mechanism and the slot is utilized, the gap is smaller, the design of the fire extinguishing assembly can automatically detect and extinguish fire, and the potential safety hazard is eliminated.
Description
Technical Field
The invention relates to the field of transformer substation equipment, in particular to a cable trench cover plate with a fire extinguishing function.
Background
Cables are the primary form of wiring within substations. The cable trench is used as the only channel of the cable in the transformer substation, and has the requirements of fire prevention and small animal prevention, and the conditions of cable laying, maintenance and the like, so that the cable trench cover plate is widely applied to the engineering construction of the transformer substation.
Once a fire disaster occurs in the cable trench, the influence is extremely severe, the safe operation of a power grid is threatened, and inestimable loss is caused. In practical application, the cable trench is used as a key fire-protection area, and potential safety hazards such as lack of active fire-protection measures and slow fire-protection response exist.
Based on the requirement of cable pit inspection maintenance, the cable pit apron is opened and is closed frequently, especially when closing cable pit apron, because factors such as apron manufacturing process and construction quality, produces the gap easily between traditional cable pit apron and the apron to lead to last apron when closing, the unable condition of embedding cable pit apron groove, aggravated the manpower burden simultaneously.
Disclosure of Invention
In view of the above problems, the present invention provides a cable trench cover with a fire extinguishing function, which can automatically detect and extinguish a fire when a fire occurs in a cable trench, and can also realize quick fixed opening and closing of the cable trench cover.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a cable trench cover with function of putting out a fire, includes the apron, the apron is placed on the cable pit, the cable pit both sides are equipped with the guide way, a plurality of apron have been placed in the guide way, the apron both sides are equipped with insertion mechanism and the slot that is used for connecting adjacent apron, are equipped with the subassembly of putting out a fire in the apron bottom.
Further, the apron left side is equipped with insertion mechanism, and the apron right side is equipped with the slot, the slot cooperatees with insertion mechanism, insertion mechanism is including setting up at the left upper plate of apron, be equipped with a slip chamber in the upper plate, slip chamber bottom is equipped with a through-hole, slip intracavity sliding fit has a sliding plate, the sliding plate bottom is connected with a connecting rod, the connecting rod passes to be connected with a wedge behind the through-hole, the apron right side is equipped with the hypoplastron, be equipped with on the hypoplastron with wedge shape matched with slot.
Further, a spring is arranged between the top of the sliding cavity and the sliding plate.
Further, the inserting mechanism comprises a rotating groove arranged on the left side of the cover plate, a rotating shaft is installed in the rotating groove, an L-shaped rotating rod is connected to the rotating shaft in a rotating mode, a slot is formed in the right side of the cover plate, and the slot is an L-shaped slot.
Further, the L-shaped rotating rod is a metal component.
Further, apron one side is equipped with rectangular through-hole, install the stock in the rectangular through-hole, the stock is the same with the length of rectangular through-hole, and rectangular through-hole runs through the apron, and when the stock was in the rectangular through-hole in an apron, through insertion mechanism and slot lock between the adjacent apron, when promoting the stock and making the stock insert to two apron between, there was the stock as the pivot between apron and the apron for the apron rotates around the stock.
Furthermore, the cover plate is made of cast iron, cement and other materials, but a high polymer composite material is recommended, so that the cover plate has the advantages of high precision, long service life, convenience, attractiveness and the like.
Further, still be equipped with a flush mounting plate on the cable pit, be equipped with the handle on the flush mounting plate, be equipped with in flush mounting plate both sides with apron left and right sides matched with cooperation groove.
Further, the subassembly of putting out a fire is including fixing the support frame on the apron, be equipped with two at least compressed gas holding vessel on the support frame, compressed gas holding vessel is connected with fire extinguishing agent storage bag through the air duct, be equipped with the spray mouth on the fire extinguishing agent storage bag.
Further, the compressed gas storage tank is fastened on the support frame through bolts and is provided with an inflation gas.
Furthermore, the fire extinguishing agent storage bag stores a fire extinguishing agent which is dry powder.
Further, the air inlet of the fire extinguishing agent storage bag is connected with the air duct and is used for receiving the air discharged from the compressed air storage tank. The spraying mouth of the fire extinguishing agent storage bag is preferably of a structure which can only be opened and closed, and the spraying mouth is provided with a one-way valve.
Further, the supporting frames are connected with each other by welding or the like and embedded in the lower edges of the four sides of the bottom surface of the cover plate for fixation, and the material of the supporting frames includes, but is not limited to, reinforcing steel bars and the like for supporting and fixing the fire extinguishing agent storage bags.
The invention has the beneficial effects that: the invention can solve the problem that a gap is easily generated between the traditional cable trench cover plate and the cover plate, so that the last cover plate can not be embedded into the cable trench cover plate groove when being closed, the design, disassembly and assembly of the switch are more convenient, the design of the insertion mechanism and the slot is utilized, the gap is smaller, the design of the fire extinguishing assembly can automatically detect and extinguish fire, and the potential safety hazard is eliminated.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of a second embodiment of a cover plate;
FIG. 4 is a schematic structural diagram illustrating a second embodiment of the present invention in a disassembled and assembled state;
FIG. 5 is a schematic structural diagram illustrating an inverted state according to a second embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 4 at A;
FIG. 7 is an enlarged view of a portion of FIG. 5 at B;
FIG. 8 is a schematic structural view of the bottom of the cover plate;
FIG. 9 is a schematic three-dimensional structure of a switch board;
fig. 10 is a partial enlarged view at C in fig. 2.
Detailed Description
As shown in fig. 1 to 10, the cable trench cover with a fire extinguishing function according to an embodiment of the present invention includes a cover plate 21, where the cover plate 21 is placed on a cable trench 1, guide grooves 11 are provided on two sides of the cable trench, and a plurality of cover plates 21 are placed in the guide grooves.
The two sides of the cover plate are provided with an inserting mechanism and an inserting groove which are used for connecting the adjacent cover plates,
in at least one embodiment, referring to fig. 2 and 10, in this embodiment, the left side of the cover plate is provided with an insertion mechanism, the right side of the cover plate is provided with an insertion slot 223, the insertion slot is matched with the insertion mechanism, the insertion mechanism comprises an upper plate 221 arranged on the left side of the cover plate, a sliding cavity 225 is arranged in the upper plate, a through hole 224 is arranged at the bottom of the sliding cavity, a sliding plate 227 is slidably matched in the sliding cavity, a connecting rod 228 is connected to the bottom of the sliding plate, a wedge block 229 is connected to the connecting rod after the connecting rod passes through the through hole, and in match with the connecting rod, the right side of the cover plate is provided with a lower plate, and the lower plate is.
When a cover plate is placed in the cable trench, the slot on the right side of the cover plate is matched with the wedge-shaped block on the left side of the adjacent cover plate. The wedge block moves the sliding plate downwards along the sliding cavity under the self-gravity of the wedge block so that the wedge block is inserted into the slot.
Further, a spring 226 is installed between the top of the sliding chamber and the sliding plate.
In one embodiment, referring to fig. 3, the insertion mechanism includes a rotation groove 231 disposed at the left side of the cover plate, a rotation shaft 232 is installed in the rotation groove, an L-shaped rotation rod 233 is rotatably connected to the rotation shaft, and in cooperation with the rotation shaft, a slot is disposed at the right side of the cover plate, and the slot is an L-shaped groove 234. In the in-service use, through the lock of two adjacent apron insertion mechanisms and slot for the position of every apron can be fixed, great clearance can not appear between the apron, thereby solves the unable problem of embedding of last apron when closing cable trench cover.
Further, the L-shaped rotating rod may be a metal member.
In at least one embodiment, referring to fig. 4 to 7, one side of the cover plate is provided with a long through hole 41, a long rod 42 is installed in the long through hole, wherein the long rod has the same length as the long through hole, the long through hole penetrates through the cover plate, when the long rod is located in the long through hole in one cover plate, the adjacent cover plates are buckled with the slot through an insertion mechanism, no other fixing is arranged between the cover plate and the cover plate, when we push the long rod to enable the long rod to be inserted between the two cover plates, the long rod is arranged between the cover plate and the cover plate to serve as a rotating shaft, and the cover plate can.
Furthermore, the cover plate is made of cast iron, cement and other materials, but a high polymer composite material is recommended, so that the cover plate has the advantages of high precision, long service life, convenience, attractiveness and the like.
The cable trench is also provided with a switch board 22, as shown in fig. 1 and 9, the switch board is provided with a handle 211, the two sides of the switch board are provided with matching grooves 212 matched with the left side and the right side of the cover board, when the cable trench or the cable trench is inspected by patrol, the switch board is firstly opened, and then the cover boards on the two sides of the switch board are opened one by one; when the switch is closed, the cover plates on the two sides of the switch plate are closed one by one, and finally the switch plate is closed.
Be equipped with the subassembly of putting out a fire in the apron bottom, the subassembly of putting out a fire is including fixing support frame 51 on the apron, be equipped with two at least compressed gas holding vessel 53 on the support frame, the compressed gas holding vessel is connected with fire extinguishing agent through air duct 55 and stores package 52, be equipped with spray mouth 56 on the fire extinguishing agent storage package. In the in-service use, the temperature of compressed gas holding vessel perception cable pit, when taking place the conflagration in the cable pit and make the interior temperature of cable pit extremely rise, compressed gas in the compressed gas holding vessel can expand rapidly, gets into each fire extinguishing agent storage bag through the air duct in to pass through the spray mouth rapid extrusion on the storage bag with the fire extinguishing agent in the fire extinguishing agent storage bag, in order to realize the function of putting out a fire.
Further, the compressed gas storage tank is fastened on the support frame through bolts. The compressed gas storage tank is provided with a charge of air 54. The inflation inlet is used for supplementing compressed gas, and the gas guide pipe is used for exhausting gas to the fire extinguishing agent storage bag. The storage tank shell is made of a material with good heat-conducting property. The compressed gas is nontoxic and has a large thermal expansion degree. When a fire disaster occurs in the cable duct, and the temperature of the cable duct is increased, the gas in the compressed gas storage tank is heated and rapidly expands, so that the fire extinguishing agent storage bag is exhausted.
In a refinement of the scheme, the fire extinguishing agent storage bag is used for storing fire extinguishing agents, and the fire extinguishing agents include but are not limited to various dry powders and the like. The air inlet of the fire extinguishing agent storage bag is connected with the air duct and is used for receiving the gas discharged from the compressed gas storage tank. The spraying mouth of the fire extinguishing agent storage bag is suitable to be of a structure which can not be put out, the spraying mouth is provided with a one-way valve, and the spraying mouth can be opened and sprays the fire extinguishing agent only when the air pressure in the storage bag reaches a certain degree, so that the fire extinguishing effect is achieved.
As a possible implementation manner of this embodiment, the supporting frames are connected to each other by welding or the like and embedded into the lower edges of the four sides of the bottom surface of the cover plate for fixing, and the material of the supporting frames includes, but is not limited to, steel bars and the like for supporting and fixing the fire extinguishing agent storage bags.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Claims (10)
1. The utility model provides a cable trench cover with function of putting out a fire, includes the apron, the apron is placed on the cable pit, the cable pit both sides are equipped with the guide way, a plurality of apron have been placed in the guide way, its characterized in that, the apron both sides are equipped with insertion mechanism and the slot that is used for connecting adjacent apron, are equipped with the subassembly of putting out a fire in the apron bottom.
2. The cable trench cover with the fire extinguishing function according to claim 1, wherein the fire extinguishing assembly comprises a support frame fixed on the cover plate, at least two compressed gas storage tanks are arranged on the support frame, the compressed gas storage tanks are connected with a fire extinguishing agent storage bag through gas guide pipes, and the fire extinguishing agent storage bag is provided with a spray opening.
3. The cable trench cover having a fire extinguishing function according to claim 2, wherein the compressed gas storage tank is fastened to the support frame by bolts, and the compressed gas storage tank is provided with an inflator.
4. The cable trench cover with fire extinguishing function according to claim 2, wherein the fire extinguishing agent storage bag stores a fire extinguishing agent, and the fire extinguishing agent is dry powder.
5. The cable trench cover with fire extinguishing function according to claim 1, wherein the cover plate has an insertion mechanism on the left side, and a slot on the right side, and the slot is matched with the insertion mechanism, the insertion mechanism comprises an upper plate arranged on the left side of the cover plate, the upper plate has a sliding cavity therein, the bottom of the sliding cavity has a through hole, a sliding plate is slidably matched in the sliding cavity, the bottom of the sliding plate is connected with a connecting rod, the connecting rod is connected with a wedge block after passing through the through hole, the right side of the cover plate has a lower plate, and the lower plate has a slot matched with the wedge block in shape.
6. The cable trench cover plate with fire extinguishing function according to claim 5, wherein a spring is installed between the sliding chamber top and the sliding plate.
7. The cable trench cover with fire extinguishing function according to claim 1, wherein the insertion mechanism comprises a rotating groove arranged on the left side of the cover, a rotating shaft is installed in the rotating groove, an L-shaped rotating rod is rotatably connected to the rotating shaft, and a slot is arranged on the right side of the cover and is an L-shaped slot.
8. The cable trench cover having a fire extinguishing function according to claim 7, wherein the L-shaped rotating rod is a metal member.
9. The cable trench cover with fire extinguishing function according to claim 1, wherein one side of the cover plate is provided with a long through hole, a long rod is installed in the long through hole, the long rod has the same length as the long through hole, the long through hole penetrates through the cover plate, when the long rod is in the long through hole in one cover plate, the adjacent cover plates are buckled with the slot through an insertion mechanism, when the long rod is pushed to enable the long rod to be inserted between the two cover plates, the long rod exists between the cover plate and the cover plate to serve as a rotating shaft, and the cover plate rotates around the long rod.
10. The cable trench cover with fire extinguishing function according to claim 1, wherein a switch board is further provided on the cable trench, the switch board is provided with a handle, and engaging grooves are provided on both sides of the switch board to engage with both sides of the cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232974.1A CN110854784A (en) | 2019-12-04 | 2019-12-04 | Cable trench cover plate with fire extinguishing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232974.1A CN110854784A (en) | 2019-12-04 | 2019-12-04 | Cable trench cover plate with fire extinguishing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110854784A true CN110854784A (en) | 2020-02-28 |
Family
ID=69607897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911232974.1A Pending CN110854784A (en) | 2019-12-04 | 2019-12-04 | Cable trench cover plate with fire extinguishing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110854784A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112186696A (en) * | 2020-09-30 | 2021-01-05 | 张双双 | Fireproof cable trench with warning function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332930A (en) * | 2014-11-13 | 2015-02-04 | 国家电网公司 | Cable trench cover plate capable of monitoring fire disasters and automatically extinguishing fire |
| CN206673539U (en) * | 2017-04-20 | 2017-11-24 | 郑州祥和电力设计有限公司 | A kind of cable laying piping lane |
| CN207098517U (en) * | 2017-08-08 | 2018-03-13 | 嘉兴恒创电力设计研究院有限公司 | A kind of cable and cable duct box |
| CN207356422U (en) * | 2017-09-07 | 2018-05-15 | 深圳普思英察科技有限公司 | A kind of electric power tunnel firefighting robot |
| CN207772760U (en) * | 2017-12-29 | 2018-08-28 | 陈晨 | A kind of assembly type fine arts drawing board |
| CN109494664A (en) * | 2019-01-08 | 2019-03-19 | 镇江市美盛母线有限公司 | A kind of light-duty intelligentized bus duct |
| CN208955626U (en) * | 2018-11-07 | 2019-06-07 | 江西徳得建设工程有限公司 | A kind of cover board of high-speed rail cable trench |
| CN209088500U (en) * | 2018-12-19 | 2019-07-09 | 长安大学 | A kind of fibreglass reinforced plastic cover for vcehicular tunnel cable duct |
-
2019
- 2019-12-04 CN CN201911232974.1A patent/CN110854784A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332930A (en) * | 2014-11-13 | 2015-02-04 | 国家电网公司 | Cable trench cover plate capable of monitoring fire disasters and automatically extinguishing fire |
| CN206673539U (en) * | 2017-04-20 | 2017-11-24 | 郑州祥和电力设计有限公司 | A kind of cable laying piping lane |
| CN207098517U (en) * | 2017-08-08 | 2018-03-13 | 嘉兴恒创电力设计研究院有限公司 | A kind of cable and cable duct box |
| CN207356422U (en) * | 2017-09-07 | 2018-05-15 | 深圳普思英察科技有限公司 | A kind of electric power tunnel firefighting robot |
| CN207772760U (en) * | 2017-12-29 | 2018-08-28 | 陈晨 | A kind of assembly type fine arts drawing board |
| CN208955626U (en) * | 2018-11-07 | 2019-06-07 | 江西徳得建设工程有限公司 | A kind of cover board of high-speed rail cable trench |
| CN209088500U (en) * | 2018-12-19 | 2019-07-09 | 长安大学 | A kind of fibreglass reinforced plastic cover for vcehicular tunnel cable duct |
| CN109494664A (en) * | 2019-01-08 | 2019-03-19 | 镇江市美盛母线有限公司 | A kind of light-duty intelligentized bus duct |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112186696A (en) * | 2020-09-30 | 2021-01-05 | 张双双 | Fireproof cable trench with warning function |
| CN112186696B (en) * | 2020-09-30 | 2021-07-02 | 嘉兴金旅燕科技有限公司 | Fireproof cable trench with warning function |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200228 |
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| RJ01 | Rejection of invention patent application after publication |