CN112366641B - Protection device of buried power transmission line - Google Patents
Protection device of buried power transmission line Download PDFInfo
- Publication number
- CN112366641B CN112366641B CN202011204966.9A CN202011204966A CN112366641B CN 112366641 B CN112366641 B CN 112366641B CN 202011204966 A CN202011204966 A CN 202011204966A CN 112366641 B CN112366641 B CN 112366641B
- Authority
- CN
- China
- Prior art keywords
- box
- underground
- protection
- metal
- metal protection
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 92
- 239000002184 metal Substances 0.000 claims abstract description 79
- 238000001816 cooling Methods 0.000 claims description 28
- 239000000843 powder Substances 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 4
- 230000009699 differential effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
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
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/16—Releasing means, e.g. electrically released heat-sensitive with thermally-expansible links
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
-
- 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
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a protection device of an underground transmission line, which comprises an underground box buried at the ground bottom, a protective shell which can move in the underground box and is used for accommodating the cable is arranged in the underground box, the surface of the protective shell is provided with a metal protective column which is in contact with an external barrier, when the external obstacle is pressed on the metal protection column, the metal protection column drives the protection shell to avoid to one side through the avoidance of the round surface of the metal protection column, so that the protection shell is prevented from being pressed and broken by the external obstacle, when an external barrier, such as a shovel, is dug into an underground tank, the bucket of the shovel first contacts the surface of the metal guard post, due to the round surface of the metal protection column, the metal protection column can move on the surface of the excavator bucket, so that the protective shell is driven to move towards one side of the underground box to avoid, the cable in the protective shell is prevented from being broken by the excavator bucket of the excavator, and a good protection effect is achieved.
Description
Technical Field
The invention relates to the technical field of buried transmission lines, in particular to a protection device of a buried transmission line.
Background
The buried power transmission line is power transmission line equipment buried in the ground, and a plurality of groups of cables are buried in the ground after being surrounded by PVC pipes, so that the ground space is saved, and the attractiveness of the ground is improved.
In the prior art, a plurality of groups of cables are buried in the ground after being surrounded by PVC pipes, so that the cables are inconvenient to disassemble, assemble and maintain, and on the other hand, the cables are easy to break due to digging by an external digging machine and the like, and the protection performance is poor; therefore, the protection device for the underground power transmission line solves the problems.
Disclosure of Invention
The invention provides a protection device of an underground power transmission line, which aims to solve the problems in the prior art and comprises an underground box which is underground at the ground, wherein a protective shell which can move in the underground box and is used for accommodating a cable is arranged in the underground box, a metal protection column which is in contact with an external obstacle is arranged on the surface of the protective shell, and when the external obstacle is pressed on the metal protection column, the metal protection column drives the protective shell to avoid to one side through avoiding of the round surface of the metal protection column, so that the protective shell is prevented from being broken by the external obstacle.
In order to achieve the above object, the protection device for a buried power transmission line according to the present invention comprises:
the buried box is buried at the ground bottom, a protective shell which can move in the buried box and is used for accommodating a cable is arranged in the buried box, a metal protection column which is in contact with an external obstacle is arranged on the surface of the protective shell, and when the external obstacle is pressed on the metal protection column, the metal protection column drives the protective shell to avoid to one side through avoiding of the round surface of the metal protection column, so that the protective shell is prevented from being broken by the external obstacle.
As the further optimization of above-mentioned scheme, the protective housing is formed by upper and lower semi-annular structure concatenation, and upper and lower semi-annular structure contact department all fixes the fixed plate that is equipped with each other and laminates, passes through the fix with screw between the fixed plate of laminating each other.
In this embodiment, the protective housing is convenient to open and shut, makes things convenient for the inside cable of protective housing to get and put and arrange in order.
As a further optimization of the above scheme, the inside of the protective housing is provided with a support plate fixed on the inner wall thereof, the support plate is provided with a plurality of groups, and the two side surfaces of the support plate are respectively fixedly provided with a plurality of groups of openings above and used for accommodating the accommodating frames of the cables.
It should be noted that, the cables are evenly distributed in the protective casing, and sufficient heat dissipation gaps are provided between adjacent cables, so that the service life of the cables is ensured, and the accommodating frame accommodates the cables to facilitate the arrangement and classification of the cables.
As a further optimization of the above scheme, the protective casing comprises a hard metal section and an elastically deformable hose section, the hard metal section and the hose section are fixed, and when the protective casing is pressed by an external obstacle and is retracted towards one side, the hose section is elastically deformed.
Furthermore, when an external obstacle such as a excavator digs into the underground box, the excavator bucket of the excavator firstly contacts the surface of the metal protection column, and the metal protection column can move on the surface of the excavator bucket due to the round surface of the metal protection column, so that the protective shell is driven to move towards one side of the underground box to avoid, the cable in the protective shell is prevented from being broken by the excavator bucket of the excavator, and a good protection effect is achieved.
As a further optimization of above-mentioned scheme, the metal protection post is cylindrical structure and is equipped with the multiunit around the outer lane department of protective housing, the outer lane surface of metal protection post is equipped with the snap ring groove, but the outer lane fixed surface of protective housing is equipped with the V font and elastic deformation's mounting panel, the end fixing of mounting panel is equipped with the snap ring of activity block in the snap ring groove, one side opening of snap ring.
Specifically, the metal protection post centers on the surface at the protective housing through one side open-ended snap ring block, simple to operate, and the practicality is strong, and the metal protection post centers on setting up the outer lane of burying the bottom surface of the case far away at the protective housing, and mounting panel one end that sets up on the metal protection post of protective housing side hookup location is fixed on the protective housing surface, and other end movable contact has guaranteed that the upper and lower semi-annular structure of constituteing the protective housing can be opened on the surface of protective housing.
As a further optimization of the scheme, two groups of movable wheel plates are fixedly arranged at the bottom of the protective shell, and the lower ends of the movable wheel plates are rotatably connected with movable wheels capable of moving along the bottom surface of the inner part of the underground box.
In this embodiment, when the protective housing moves and dodges in the underground box, the moving wheels at the bottom of the protective housing roll on the bottom surface of the underground box, and the movement is stable during dodging.
As a further optimization of the above scheme, a middle positioning plate is fixedly arranged on the bottom surface of the underground box, a spring is fixedly arranged on the surface of the middle positioning plate, two ends of the spring are respectively fixed between the two groups of protective casings, and the middle positioning plate and the movable wheel plates are distributed in a staggered manner so that when the protective casings move at the bottom of the underground box, the movable wheel plates can pass through one side of the middle positioning plate.
The bottom of the protective shell can be reset after moving and avoiding through the limitation of the spring.
According to the scheme, the cooling boxes are arranged on the inner walls of the two sides of the buried box, air holes facing the protective shell are formed in the surface of each cooling box, the partition plate for isolating the bottom of each cooling box is fixedly arranged inside the lower end of the cooling box on one side, the openable box cover is arranged above the buried box, the two groups of power units are arranged on the surface of the box cover, one group of power units are communicated with the inside of the cooling box, and the other group of power units are communicated with the inside of the cooling box below the partition plate through the suction pipe.
Furthermore, the power unit can use a pump and other devices, the power unit on the cooling box on one side without the partition plate blows air into the cooling box, the air enters the surface of the protective shell from the air hole, after the heat on the surface of the protective shell is taken away, the wind power with the heat is discharged from the cooling box on the other side, and the other group of power units can suck out the water stored at the bottom of the underground box, so that the dry environment inside the underground box is ensured.
As the further optimization of above-mentioned scheme, the inside of metal protection post is equipped with the inside cavity that is sealed and is used for the storage dry powder of putting out a fire, the bottom of metal protection post is equipped with the trompil of multiunit orientation protective housing, and the inside of inside cavity is equipped with the shrouding of sealed laminating in trompil port department, fixed being equipped with on the inner wall of inside cavity can be heated the thermal-sensitive sheetmetal that the inflation warp and conflict shrouding removed from the port of trompil when being heated the inflation warp.
Concretely, bury incasement portion when on fire, along with the rising of temperature, heat-sensitive sheetmetal inflation deformation and conflict shrouding removes from the port of trompil, at this moment, the dry powder of putting out a fire that inside cavity of metal protection post was deposited can drop in the protecting crust outer lane and around with from the trompil, put out a fire, bury incasement portion on fire with preventing, the security of cable has been guaranteed, the clearance has between heat-sensitive sheetmetal and the inside cavity inner wall, guarantee inside dry powder of putting out a fire of inside cavity and in the same direction as the sharp discharge, in addition, also can add in inside cavity and be greater than outside atmospheric pressure, when opening the trompil, the inside dry powder of putting out a fire of inside cavity is discharged because of the pressure differential effect.
The protection device of the buried power transmission line has the following beneficial effects:
1. the invention relates to a protection device of an underground transmission line, which comprises an underground box buried at the ground bottom, a protective shell which can move in the underground box and is used for accommodating the cable is arranged in the underground box, the surface of the protective shell is provided with a metal protective column which is in contact with an external barrier, when the external obstacle is pressed on the metal protection column, the metal protection column drives the protection shell to avoid to one side through the avoidance of the round surface of the metal protection column, so that the protection shell is prevented from being pressed and broken by the external obstacle, when an external barrier, such as a shovel, is dug into an underground tank, the bucket of the shovel first contacts the surface of the metal guard post, due to the round surface of the metal protection column, the metal protection column can move on the surface of the excavator bucket, so that the protective shell is driven to move towards one side of the underground box for avoiding, the cable in the protective shell is prevented from being broken by the excavator bucket of the excavator, and a good protection effect is achieved;
2. according to the protection device of the buried power transmission line, the sealed inner cavity for storing the fire extinguishing dry powder is arranged inside the metal protection column, the bottom of the metal protection column is provided with a plurality of groups of openings facing the protection shell, the sealing plate which is hermetically attached to the opening of the openings is arranged inside the inner cavity, the inner wall of the inner cavity is fixedly provided with the heat-sensitive metal sheet which can expand and deform under heat and is abutted against the sealing plate to be removed from the opening of the openings when the heat-sensitive metal sheet expands and deforms under heat, when the inside of the buried box is ignited, the heat-sensitive metal sheet expands and deforms along with the rise of temperature and is abutted against the sealing plate to be removed from the opening of the openings, at the moment, the fire extinguishing dry powder stored in the inner cavity inside the metal protection column can fall from the openings to the outer ring and the periphery of the protection shell to extinguish fire, the fire inside the buried box is prevented, and the safety of a cable is guaranteed.
There have been disclosed in detail certain embodiments of the invention with reference to the following description and drawings, and it is to be understood that the embodiments of the invention are not limited thereby, but are intended to cover within the spirit and scope of the appended claims, many changes, modifications, and equivalents.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic diagram of the internal structure of the metal protection pillar of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
fig. 6 is a schematic view of the protective case structure of the present invention.
In the figure: the underground box comprises an underground box 1, a box cover 2, a cooling box 3, a protective shell 4, a metal protection column 5, a suction pipe 6, a power unit 7, a middle positioning plate 8, an air hole 9, a partition plate 10, a storage rack 11, a supporting plate 12, a support plate 13, a movable wheel plate 14, a spring 15, a movable wheel 16, an inner cavity 17, a heat-sensitive metal sheet 18, an opening 19, a sealing plate 20, a clamping ring groove 21, a clamping ring 22, a fixing plate 23, a cable 24, a hard metal section 25 and a hose section 26.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
It should be noted that when an element is referred to as being "disposed on," or provided with "another element, it can be directly on the other element or intervening elements may also be present, when an element is referred to as being" connected, "or coupled to another element, it can be directly on the other element or intervening elements may be present, and" fixedly coupled "means that the element is fixedly coupled in many ways, which are not intended to be within the scope of the present disclosure, the terms" vertical, "" horizontal, "" left, "" right, "and the like are used herein for illustrative purposes only and are not intended to be a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items;
referring to the attached drawings 1-6 in the specification, the invention provides a technical scheme: a protection device of an underground power transmission line comprises:
the underground buried box 1 buried at the ground bottom is provided with a protective shell 4 which can move in the underground buried box 1 and is used for accommodating a cable 24, a metal protection column 5 in contact with an external obstacle is arranged on the surface of the protective shell 4, and when the external obstacle is pressed on the metal protection column 5, the metal protection column 5 drives the protective shell 4 to avoid to one side through avoiding of the round surface of the metal protection column 5, so that the protective shell 4 is prevented from being broken by the external obstacle.
The protective housing 4 is formed by splicing an upper semi-annular structure and a lower semi-annular structure, the contact positions of the upper semi-annular structure and the lower semi-annular structure are both fixedly provided with fixing plates 23 which are mutually attached, and the fixing plates 23 which are mutually attached are fixed through screws.
In this embodiment, the protective housing 4 is convenient to open and close, and the cable 24 inside the protective housing 4 is convenient to take, place and arrange.
The inside of protective housing 4 is equipped with backup pad 12 of fixing on its inner wall, and backup pad 12 is equipped with the multiunit, and the both sides face of backup pad 12 all fixes and is equipped with multiunit top opening and is used for holding storage rack 11 of cable 24.
It should be noted that the cables 24 are uniformly distributed in the protective shell 4, a sufficient heat dissipation gap is formed between adjacent cables 24 to ensure the service life of the cables 24, and the accommodating frame 11 accommodates the cables 24 to facilitate the arrangement and classification of the cables 24.
The protective shell 4 comprises a hard metal section 25 and an elastically deformable hose section 26, the hard metal section 25 and the hose section 26 are fixed, and when the protective shell 4 is pressed by an external obstacle and retreats towards one side, the hose section 26 is elastically deformed.
Further, when an external obstacle such as a excavator digs into the underground box 1, the bucket of the excavator firstly contacts the surface of the metal protection column 5, and due to the round surface of the metal protection column 5, the metal protection column 5 can move on the surface of the bucket, so that the protective shell 4 is driven to move towards one side of the underground box 1 for avoiding, the cable 24 inside the protective shell 4 is prevented from being broken by the bucket of the excavator, and a good protection effect is achieved.
The metal protection post 5 is that cylindrical structure is equipped with the multiunit around the outer lane department of protective housing 4, and the outer lane surface of metal protection post 5 is equipped with snap-ring groove 21, and the outer lane fixed surface of protective housing 4 is equipped with V font and elastically deformable's mounting panel 13, and the end fixing of mounting panel 13 is equipped with the snap ring 22 of activity block in snap-ring groove 21, one side opening of snap ring 22.
Specifically, the metal protection post 5 centers on around the surface at protective housing 4 through one side open-ended snap ring 22 block, simple to operate, and the practicality is strong, and metal protection post 5 centers on setting up at protective housing 4 and keeps away from the outer lane of burying case 1 bottom surface, and the mounting panel 13 one end that sets up on the metal protection post 5 of protective housing 4 side hookup location is fixed on protective housing 4 surface, and other end movable contact has guaranteed that the upper and lower semi-ring structure of constituteing protective housing 4 can open on the surface of protective housing 4.
Two sets of movable wheel plates 14 are fixedly arranged at the bottom of the protective shell 4, and the lower ends of the movable wheel plates 14 are rotatably connected with movable wheels 16 capable of moving along the bottom surface in the grounding buried box 1.
In this embodiment, when the protective shell 4 moves and retreats in the underground box 1, the moving wheel 16 at the bottom of the protective shell 4 rolls on the bottom surface of the underground box 1, and the movement is stable during retreating.
The bottom surface of the buried box 1 is fixedly provided with a middle positioning plate 8, the surface of the middle positioning plate 8 is fixedly provided with a spring 15, two ends of the spring 15 are respectively fixed between the two groups of protective shells 4, the middle positioning plate 8 and the movable wheel plates 14 are distributed in a staggered manner, so that when the protective shells 4 move at the bottom of the buried box 1, the movable wheel plates 14 can pass through one side of the middle positioning plate 8.
The bottom of the protective case 4 can be returned after the movement is retracted by the restriction of the spring 15.
The inner walls of two sides of the buried box 1 are respectively provided with a cooling box 3, the surface of the cooling box 3 is provided with an air hole 9 facing the protective shell 4, a partition plate 10 for isolating the bottom of the cooling box 3 is fixedly arranged inside the lower end of the cooling box 3 on one side, an openable box cover 2 is arranged above the buried box 1, two groups of power units 7 are arranged on the surface of the box cover 2, one group of power units 7 are communicated with the inside of the cooling box 3, and the other group of power units 7 are communicated with the inside of the cooling box 3 below the partition plate 10 through a suction pipe 6.
Furthermore, the power unit 7 can use a pump or the like, the power unit 7 on the cooling box 3 on the side without the partition plate 10 blows air into the cooling box 3, the air enters the surface of the protective shell 4 from the air holes 9, after taking away heat on the surface of the protective shell 4, wind power with heat is discharged from the cooling box 3 on the other side, and the other group of power units 7 can suck out water stored at the bottom of the underground box 1, so that a dry environment inside the underground box 1 is ensured.
The inside of metal protection post 5 is equipped with sealed and is used for the inside cavity 17 that the storage dry powder put out a fire, and the bottom of metal protection post 5 is equipped with the trompil 19 of multiunit orientation protective housing 4, and the inside of inside cavity 17 is equipped with sealed shrouding 20 of laminating in trompil 19 port department, fixes being equipped with on the inner wall of inside cavity 17 can be heated the thermal sensitive sheetmetal 18 that thermal expansion warp and conflict shrouding 20 and remove from the port of trompil 19 when thermal expansion warp.
Concretely, when burying case 1 inside on fire, along with the rising of temperature, heat-sensitive sheetmetal 18 inflation deformation and conflict shrouding 20 and remove from the port of trompil 19, at this moment, the dry powder of putting out a fire that inside cavity 17 of metal protection post 5 inside exists can drop in the protecting sheathing 4 outer lane and around from trompil 19, put out a fire, prevent to bury case 1 inside on fire, the security of cable 24 has been guaranteed, have the clearance between heat-sensitive sheetmetal 18 and the inside cavity 17 inner wall, guarantee the inside dry powder of putting out a fire of inside cavity 17 and arrange in the same direction as the straight line, in addition, also can add in inside cavity 17 and be greater than outside atmospheric pressure, when opening trompil 19, the inside dry powder of putting out a fire of inside cavity 17 is discharged because of pressure differential effect.
The protection device of the buried power transmission line provided by the embodiment has the following working process:
when an external obstacle such as a digging machine digs into the underground case 1, the bucket of the digging machine firstly contacts the surface of the metal protection column 5, due to the round surface of the metal protection column 5, the metal protection column 5 can move on the surface of the bucket, so that the protective shell 4 is driven to move towards one side of the underground case 1 to avoid, the cable 24 in the protective shell 4 is prevented from being cut off by the bucket of the digging machine, good protection effect is achieved, the power unit 7 on the cooling case 3 at one side without the partition plate 10 blows air into the cooling case 3, the air enters the surface of the protective shell 4 from the air hole 9, after the heat on the surface of the protective shell 4 is taken away, wind with heat is discharged from the cooling case 3 at the other side, the other group of power unit 7 can suck out water stored at the bottom of the underground case 1, the dry environment in the underground case 1 is ensured, and when the internal of the underground case 1 is on fire, the temperature is increased, thermosensitive metal sheet 18 swelling deformation and conflict shrouding 20 and remove from the port of trompil 19, at this moment, the dry powder of putting out a fire that the inside cavity 17 of metal protection post 5 inside was deposited can drop in the protective housing 4 outer lane and around from trompil 19, put out a fire, prevent to bury the inside fire of case 1, the security of cable 24 has been guaranteed, clearance has between thermosensitive metal sheet 18 and the inside cavity 17 inner wall, guarantee inside dry powder and the smooth discharge of putting out a fire of inside cavity 17, in addition, also can add in inside cavity 17 and be greater than outside atmospheric pressure, when opening trompil 19, the inside dry powder of putting out a fire of inside cavity 17 is discharged because of the pressure differential effect.
It should be understood that the present invention is not limited to the particular embodiments described herein, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A protection device of a buried power transmission line is characterized by comprising:
the cable protection device comprises an underground box buried at the ground bottom, wherein a protection shell which can move in the underground box and is used for accommodating a cable is arranged in the underground box, a metal protection column which is in contact with an external obstacle is arranged on the surface of the protection shell, and when the external obstacle is pressed on the metal protection column, the metal protection column drives the protection shell to avoid to one side through avoiding of the circular surface of the metal protection column, so that the protection shell is prevented from being broken by the external obstacle;
the metal protection column is of a cylindrical structure, a plurality of groups of metal protection columns are arranged around the outer ring of the protection shell, clamping ring grooves are formed in the surface of the outer ring of each metal protection column, a V-shaped and elastically deformable support plate is fixedly arranged on the surface of the outer ring of the protection shell, clamping rings movably clamped in the clamping ring grooves are fixedly arranged at the end portions of the support plates, and one side of each clamping ring is provided with an opening;
the bottom of the protective shell is fixedly provided with two groups of movable wheel plates, and the lower ends of the movable wheel plates are rotatably connected with movable wheels which can move along the bottom surface in the underground box;
the bottom surface of the buried box is fixedly provided with a middle positioning plate, the surface of the middle positioning plate is fixedly provided with a spring, two ends of the spring are respectively fixed between the two groups of protective shells, and the middle positioning plate and the movable wheel plates are distributed in a staggered manner so that the movable wheel plates can pass through one side of the middle positioning plate when the protective shells move at the bottom of the buried box;
the inside of metal protection post is equipped with the inside cavity that is sealed and is used for the storage dry powder of putting out a fire, the bottom of metal protection post is equipped with the trompil of multiunit orientation protective housing, and the inside of inside cavity is equipped with the shrouding of sealed laminating in trompil port department, fixed being equipped with on the inner wall of inside cavity can be heated the thermal-sensitive sheetmetal that the port that thermal expansion warp and conflict shrouding removed from the trompil when being heated the thermal expansion deformation.
2. The protection device of the underground power transmission line according to claim 1, characterized in that: the protective housing is formed by splicing an upper semi-annular structure and a lower semi-annular structure, the contact positions of the upper semi-annular structure and the lower semi-annular structure are both fixedly provided with fixing plates which are mutually attached, and the fixing plates which are mutually attached are fixed through screws.
3. The protection device of the underground power transmission line according to claim 1, characterized in that: the inside of protective housing is equipped with the backup pad of fixing on its inner wall, the backup pad is equipped with the multiunit, and the both sides face of backup pad all is fixed to be equipped with multiunit top opening and is used for holding the storage rack of cable.
4. A protection device for an underground power transmission line according to any one of claims 1-3, characterized in that: the protective shell comprises a hard metal section and an elastically deformable hose section, the hard metal section and the hose section are fixed, and when the protective shell is pressed by an external obstacle and is avoided towards one side, the hose section is elastically deformed.
5. The protection device of the underground power transmission line according to claim 1, characterized in that: the buried box is characterized in that cooling boxes are arranged on the inner walls of two sides of the buried box, air holes facing the protective shell are formed in the surface of each cooling box, a partition board for isolating the bottom of each cooling box is fixedly arranged inside the lower end of the cooling box on one side, a box cover capable of being opened and closed is arranged above the buried box, two groups of power units are arranged on the surface of the box cover, one group of power units are communicated with the inside of each cooling box, and the other group of power units are communicated with the inside of each cooling box below the partition board through suction pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204966.9A CN112366641B (en) | 2020-11-02 | 2020-11-02 | Protection device of buried power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204966.9A CN112366641B (en) | 2020-11-02 | 2020-11-02 | Protection device of buried power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112366641A CN112366641A (en) | 2021-02-12 |
| CN112366641B true CN112366641B (en) | 2022-03-25 |
Family
ID=74512657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011204966.9A Expired - Fee Related CN112366641B (en) | 2020-11-02 | 2020-11-02 | Protection device of buried power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112366641B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100942724B1 (en) * | 2009-11-13 | 2010-02-16 | 주식회사 부흥기술단 | Guide pipe of underground cable for distributing electricity |
| CN206481026U (en) * | 2016-11-22 | 2017-09-08 | 国网浙江省电力公司绍兴供电公司 | A kind of split type cable protection pipe |
| CN107257119A (en) * | 2017-03-16 | 2017-10-17 | 安徽华电工程咨询设计有限公司 | A kind of mountain area slope direct-buried cable protecting device |
| CN206595682U (en) * | 2017-02-20 | 2017-10-27 | 江西瑞金金字电线电缆有限公司 | A kind of buried cable protecting device |
| CN208571396U (en) * | 2018-07-04 | 2019-03-01 | 天津市启泰机电设备安装工程有限公司 | A kind of environment-friendly type prepackage imbededd case change |
| CN209516515U (en) * | 2019-03-13 | 2019-10-18 | 杭州金泰塑业有限公司 | A kind of buried MPP cable protection pipeline |
| CN210182994U (en) * | 2019-08-24 | 2020-03-24 | 杭州富阳科威钢业有限公司 | Bury formula cable duct with high strength MPP |
| CN210246281U (en) * | 2019-06-19 | 2020-04-03 | 河南金诚晟电力通讯有限公司 | Buried cable protection pipe fitting |
| CN210326952U (en) * | 2019-09-12 | 2020-04-14 | 广东电网有限责任公司 | Electric power transmission line protection device |
| CN211239264U (en) * | 2020-01-15 | 2020-08-11 | 青海鑫邦线缆有限公司 | Novel durable cable protective housing |
| CN211550916U (en) * | 2019-08-21 | 2020-09-22 | 贺玉 | Bury formula PVC body protection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205845555U (en) * | 2016-08-05 | 2016-12-28 | 刘惠云 | Buried safety cable |
-
2020
- 2020-11-02 CN CN202011204966.9A patent/CN112366641B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100942724B1 (en) * | 2009-11-13 | 2010-02-16 | 주식회사 부흥기술단 | Guide pipe of underground cable for distributing electricity |
| CN206481026U (en) * | 2016-11-22 | 2017-09-08 | 国网浙江省电力公司绍兴供电公司 | A kind of split type cable protection pipe |
| CN206595682U (en) * | 2017-02-20 | 2017-10-27 | 江西瑞金金字电线电缆有限公司 | A kind of buried cable protecting device |
| CN107257119A (en) * | 2017-03-16 | 2017-10-17 | 安徽华电工程咨询设计有限公司 | A kind of mountain area slope direct-buried cable protecting device |
| CN208571396U (en) * | 2018-07-04 | 2019-03-01 | 天津市启泰机电设备安装工程有限公司 | A kind of environment-friendly type prepackage imbededd case change |
| CN209516515U (en) * | 2019-03-13 | 2019-10-18 | 杭州金泰塑业有限公司 | A kind of buried MPP cable protection pipeline |
| CN210246281U (en) * | 2019-06-19 | 2020-04-03 | 河南金诚晟电力通讯有限公司 | Buried cable protection pipe fitting |
| CN211550916U (en) * | 2019-08-21 | 2020-09-22 | 贺玉 | Bury formula PVC body protection device |
| CN210182994U (en) * | 2019-08-24 | 2020-03-24 | 杭州富阳科威钢业有限公司 | Bury formula cable duct with high strength MPP |
| CN210326952U (en) * | 2019-09-12 | 2020-04-14 | 广东电网有限责任公司 | Electric power transmission line protection device |
| CN211239264U (en) * | 2020-01-15 | 2020-08-11 | 青海鑫邦线缆有限公司 | Novel durable cable protective housing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112366641A (en) | 2021-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212086291U (en) | Intelligent security monitoring equipment for factory | |
| CN112366641B (en) | Protection device of buried power transmission line | |
| CN216819090U (en) | High security fire prevention block terminal | |
| CN210982622U (en) | Electric power monitoring instrument with protection function | |
| CN218584849U (en) | Detection device | |
| JP6089267B2 (en) | Power storage device | |
| CN219834633U (en) | Weak current intelligent security system | |
| CN218958303U (en) | Protective housing for power monitoring equipment convenient to installation | |
| CN215916317U (en) | Pipe network heptafluoropropane fire extinguishing device | |
| CN216087220U (en) | Multifunctional linkage controller | |
| CN215680798U (en) | Power battery heat insulation device, power battery system and operation machine | |
| CN219873914U (en) | Explosion-proof protection architecture of lithium cell | |
| CN216249488U (en) | Fire-fighting engineering remote monitor convenient to installation | |
| CN218446917U (en) | Gas alarm convenient to installation is dismantled | |
| CN110241949B (en) | Emergency protection partition wall of thermal power factory | |
| CN219801793U (en) | Explosion-proof junction box | |
| CN215120980U (en) | Camera convenient to location installation | |
| CN219657918U (en) | Outdoor fine case that divides of theftproof formula | |
| CN221225535U (en) | Electric distribution room access control all-in-one | |
| CN219999885U (en) | Portable electric cabinet body structure | |
| CN217023693U (en) | Safety box for communication engineering | |
| CN220020613U (en) | Data storage device and electronic equipment | |
| CN221181493U (en) | Waterproof fire-fighting cabinet | |
| CN213547634U (en) | Smart monitoring equipment for agriculture | |
| CN210986191U (en) | Outdoor video monitoring equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |