CN112653067A - Electric power engineering pipeline and use method thereof - Google Patents
Electric power engineering pipeline and use method thereof Download PDFInfo
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- CN112653067A CN112653067A CN202011512351.2A CN202011512351A CN112653067A CN 112653067 A CN112653067 A CN 112653067A CN 202011512351 A CN202011512351 A CN 202011512351A CN 112653067 A CN112653067 A CN 112653067A
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- half pipe
- lower half
- pipe
- upper half
- pipeline
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- 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
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- Electric Cable Installation (AREA)
Abstract
The application relates to an electric power engineering pipeline and a using method thereof, wherein the electric power engineering pipeline comprises a pipeline body, wherein the pipeline body comprises a lower half pipe, an upper half pipe assembled with the lower half pipe and embedded parts arranged outside the lower half pipe and the upper half pipe in pairs; the end surfaces of the lower half pipe and the upper half pipe are semicircular, and a plane of the lower half pipe parallel to the axial direction of the lower half pipe and a plane of the upper half pipe parallel to the axial direction of the upper half pipe can be attached in pairs; after the two planes of the lower half pipe and the upper half pipe are attached to each other, the two embedded parts in pairs are correspondingly arranged. This application has the effect of being convenient for maintain the cable that is located this internal of pipeline.
Description
Technical Field
The application relates to the field of electric power engineering, in particular to an electric power engineering pipeline and a using method thereof.
Background
In the process of power engineering, it is very common to set cables, and the common mode of setting cables is to bury pipelines underground, and after the pipelines are completely set, the cables are laid in the pipelines, so that the work of setting the cables can be completed.
At present, the pipeline all adopts the pipe that the concrete prefabrication is good, when carrying out the electric power engineering construction, digs in advance underground and establishes the recess of burying the pipeline underground, again with a plurality of single pipelines hoist and mount one by one and put into the recess, laminates the terminal surface of two adjacent pipelines each other to strengthen the gas tightness in the engineering pipeline, reduce the cable that is located the pipeline and receive the possibility that air, rainwater erode.
In view of the above-mentioned related technologies, the inventor thinks that there is a defect that when a cable in a pipeline is repaired, the whole longer cable needs to be taken out from the pipeline, and the cable is inserted into several sections of pipelines after being repaired, thereby resulting in low working efficiency of repairing the cable.
Disclosure of Invention
In order to solve the problem that the cable is taken out of the pipeline and then placed back, and therefore the maintenance efficiency of the cable is low, the application provides an electric power engineering pipeline and a using method thereof.
The application provides an electric power engineering pipeline and application method thereof adopts the following technical scheme:
the electric power engineering pipeline comprises a pipeline body, wherein the pipeline body comprises a lower half pipe, an upper half pipe spliced with the lower half pipe and embedded parts arranged outside the lower half pipe and the upper half pipe in pairs;
the end surfaces of the lower half pipe and the upper half pipe are semicircular, and a plane of the lower half pipe parallel to the axial direction of the lower half pipe and a plane of the upper half pipe parallel to the axial direction of the upper half pipe can be attached in pairs;
after the two planes of the lower half pipe and the upper half pipe are attached to each other, the two embedded parts in pairs are correspondingly arranged.
Through adopting above-mentioned technical scheme, the plane that first half pipe and second half pipe were laminated mutually can keep good gas tightness under first half pipe dead weight effect, when needs are maintained the cable of laying in the pipeline, confirm the position that the cable damaged after detecting the cable, then will correspond the pipeline of cable damaged position, remove the relation of connection that is located the connecting piece between second half pipe and first half pipe, can dismantle first half pipe from second half pipe and move away first half pipe from second half pipe, maintenance personal gets into in second half pipe from the arc opening of second half pipe, can develop maintenance work to the cable that damages, for take out longer cable from the pipeline completely and put back in the pipeline again, can effectively save operating time, thereby reach the purpose that promotes maintenance work efficiency.
Optionally, a rib is arranged on the plane along the length direction of the lower half pipe plane;
and a clamping groove for clamping the convex edge is formed in the plane of the upper half pipe.
Through adopting above-mentioned technical scheme, the back is established in the draw-in groove to the bead card, can increase the area that half pipe and first half pipe are connected the face down, and the bead can also effectively promote the gas tightness between half pipe and the first half pipe down, and then reduces the possibility that the cable that is located this internal pipeline receives air, moisture corruption.
Optionally, the cross section of the rib in the length direction is trapezoidal, and the smaller bottom surface of the rib deviates from the lower half pipe.
Through adopting above-mentioned technical scheme, the less bottom surface of bead can block into the draw-in groove with the draw-in groove more easily in, the pipeline body of being convenient for queue up assembles, accomplishes the maintenance back to the cable, can place first half pipe fast on second half pipe, further promotes the work efficiency of the work of ending in maintenance later stage.
Optionally, a sealing gasket is arranged on the plane of the lower half pipe, and the sealing gasket is attached to the surface of the convex edge.
Through adopting above-mentioned technical scheme, the gasket can strengthen the sealing performance between bead and the draw-in groove, further promotes the gas tightness of pipeline body.
Optionally, the embedded part comprises an embedded plate embedded in the half pipe and a connecting block connected with the embedded plate, the connecting block is located outside the half pipe, and after the plane of the lower half pipe and the plane of the upper half pipe are attached, the opposite surfaces of a group of two connecting blocks are attached to each other.
Through adopting above-mentioned technical scheme, use fasteners such as bolt to connect the back with two connecting blocks, can become the pipeline body with first half pipe and second half pipe connection, two connecting blocks are laminated the butt each other after, can reduce two built-in panels and half pipe connection position's shearing force, when improving the use reliability of connecting piece, still protect half pipe.
Optionally, a support ring is pre-embedded on the lower half pipe, and a groove for embedding the support ring is formed in the inner wall of the upper half pipe.
Through adopting above-mentioned technical scheme, pre-buried at the intraductal lock ring of lower half can support first half pipe, when the installation stability of reinforcing pipeline body, can also form spacingly to first half pipe for first half pipe can stably set up on second half pipe.
Optionally, a support frame is arranged in the pipeline body, the support frame includes a bottom plate, a lifting assembly arranged on the bottom plate, and a placing groove connected to the lifting assembly and suspended on the bottom plate, and the notch of the placing groove faces away from the bottom plate.
Through adopting above-mentioned technical scheme, when maintaining the cable, through control lifting unit with the high reduction back of standing groove, be convenient for remove the support frame to the position that the cable damaged, then rise lifting unit to highly rising with the cable, make maintenance personal needn't crooked body maintain the cable, reduce the staff and twine tired the possibility.
Optionally, the lifting assembly comprises a bidirectional screw rotatably arranged on the bottom plate, two moving blocks in threaded connection with the bidirectional screw, and a hinge rod hinged to the moving blocks, and one end of the hinge rod, which is far away from the moving blocks, is hinged to the placing groove.
Through adopting above-mentioned technical scheme, after rotating two-way screw rod, can change the vertical distance between the hinge bar both ends to change the holding height of standing groove, lifting unit does not contain any automatically controlled part, simple structure, is convenient for support the cable, leaves the pipeline body in for a long time and also can not break down.
Optionally, at least two lifting lugs for hoisting are arranged on the outer surface of the upper half pipe.
Through adopting above-mentioned technical scheme, be convenient for hoist and mount the dismantlement to first half pipe.
Optionally, a method for using an electrical engineering pipeline includes the following steps:
firstly, digging a pit on the ground, and placing a lower half pipe into the pit;
assembling the upper half pipe on the lower half pipe;
thirdly, connecting the embedded parts;
and step four, laying cables.
Through adopting above-mentioned technical scheme, the first half pipe that will correspond the cable that needs the maintenance dismantles the back from second half pipe, and maintenance person directly gets into second half intraductally, and then can directly carry out maintenance work to the cable, compares in taking out longer cable from this internal whole maintenance again, can save a large amount of time to improve maintenance work's work efficiency.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the lower half pipe, the upper half pipe and the embedded part, the upper half pipe is detached from the lower half pipe and is moved away from the lower half pipe, and compared with the method that a longer cable is completely pulled out from the pipeline and then is put back into the pipeline, the working time can be effectively saved, so that the aim of improving the maintenance working efficiency is fulfilled;
2. by arranging the convex edges and the clamping grooves, after the convex edges are clamped in the clamping grooves, the area of the connecting surface of the lower half pipe and the upper half pipe can be increased, the convex edges can also effectively improve the air tightness between the lower half pipe and the upper half pipe, and further the possibility that a cable in the pipeline body is corroded by air and moisture is reduced;
3. through setting up built-in panel and connecting block, two connecting blocks are after laminating the butt each other, can reduce two built-in panels and half a tub of hookup location's shearing force, when improving the use reliability of connecting piece, still protect half a tub of.
Drawings
FIG. 1 is a schematic structural diagram of an electrical engineering pipeline;
FIG. 2 is a schematic diagram of an exploded structure of a pipeline;
FIG. 3 is a schematic structural view of the upper half pipe;
FIG. 4 is a schematic structural view of the support frame;
fig. 5 is a flow chart of a method for using the electric power engineering pipeline.
Description of reference numerals: 1. a lower half pipe; 11. supporting legs; 12. a rib; 13. a first mounting port; 2. an upper half pipe; 21. lifting lugs; 22. a card slot; 23. a groove; 24. a second mounting opening; 3. a gasket; 4. a support ring; 5. embedding parts; 51. pre-burying a plate; 52. connecting blocks; 6. a threaded barrel; 7. a connecting member; 71. a connecting ring; 72. a backing ring; 8. A support frame; 81. a base plate; 82. a caster wheel; 83. a support; 84. a bidirectional screw; 85. a limiting ring; 86. a moving block; 87. a hinged lever; 88. and (6) placing the groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The application discloses electric power engineering pipeline and application method thereof, refer to fig. 1, the pipeline body includes half pipe 1 down, half pipe 2 on the top, predetermine at half pipe 1 support ring 4 on and set up and be used for connecting built-in fitting 5 between the two on half pipe 1 down and half pipe 2 on, half pipe 1 down and half pipe 2 on the top all set up the arc structure that the radian is 180 degrees.
After the planes parallel to the axis direction are correspondingly arranged, the lower half pipe 1 and the upper half pipe 2 are assembled to form a complete pipeline body, the inner wall of the upper half pipe 2 is supported on the support ring 4, and fasteners such as bolts are used for connecting the lower half pipe 1 and the upper half pipe 2 with embedded parts 5, so that the assembly of the pipeline body can be completed.
Referring to fig. 2, an organic whole is provided with four supporting legss 11 on half tub of 1 outer wall down, and four supporting legss 11 evenly distributed are on half tub of 1 down, and half tub of 1 back is placed in the pit when, and four supporting legss 11 can make half tub of 1 down be difficult for rocking to ensure that half tub of 1 opening sets up all the time down.
Install four lugs 21 on the outer wall of first half pipe 2, four lugs 21 are the rectangle and distribute on first half pipe 2, and when first half pipe 2 was installed on second half pipe 1, the connection rope with lifting device was connected on lugs 21, was convenient for install first half pipe 2.
With reference to fig. 2 and 3, a rib 12 is arranged on the plane of the lower half pipe 1, the cross section of the rib 12 in the length direction is trapezoidal, the smaller bottom surface of the trapezoid deviates from the plane of the lower half pipe 1, a sealing gasket 3 is arranged on the plane of the lower half pipe 1, and the sealing gasket 3 is wrapped on the outer surface of the rib 12; the plane of the upper half pipe 2 is provided with a clamping groove 22 for clamping the convex rib 12, and the clamping groove 22 is matched with the convex rib 12.
The lower half pipe 1 is arranged in a pit on the ground, the arc opening of the lower half pipe 1 is arranged upwards, the arc opening of the upper half pipe 2 is arranged downwards, the upper half pipe 2 is hoisted on the lower half pipe 1, the transverse trapezoidal convex edge 12 is convenient to clamp in the clamping groove 22, under the action of gravity of the upper half pipe 2, the upper half pipe 2 downwards compresses the sealing gasket 3, after the planes of the lower half pipe 1 and the upper half pipe 2 are attached to each other, the air tightness of the connection surface of the lower half pipe 1 and the upper half pipe 2 can be enhanced, and the sealing gasket 3 can further enhance the air tightness between the lower half pipe 1 and the upper half pipe 2.
Referring to fig. 1, two support rings 4 are provided, the support rings 4 are pre-embedded in the lower half pipe 1, and the axes of the support rings 4 and the axes of the lower half pipe 1 are overlapped.
Referring to fig. 3, offer on the inner wall of first half pipe 2 and supply the recess 23 that the clamping of cage ring 4 established, after first half pipe 2 had last hoist and mount downwards on second half pipe 1, two cage rings 4 block respectively and establish in two recesses 23, can guarantee that second half pipe 1 and first half pipe 2 equipment are complete pipeline body, when cage ring 4 supported first half pipe 2 can promote the structural strength of pipeline body, can also restrict first half pipe 2 and second half pipe 1 and accurately place on second half pipe 1.
Referring to fig. 2, built-in fitting 5 is provided with a plurality ofly, and two liang of settings that correspond, a plurality of built-in fittings 5 evenly distributed are on half pipe 1 and first half pipe 2 down, built-in fitting 5 is including pre-buried half pipe 1 down, the built-in plate 51 of first half pipe 2 and the connecting block 52 of connection on built-in plate 51, after bead 12 is located draw-in groove 22, the connecting block 52 that is located respectively on half pipe 1 and first half pipe 2 down can the one-to-one, and the surface energy of two connecting blocks 52 laminates each other, the through-hole has been seted up on the connecting block 52, use fasteners such as bolt to wear to establish in the through-hole, can connect two connecting blocks 52, thereby accomplish to assemble half pipe 1 and first half pipe 2 down.
Referring to fig. 2, a first mounting opening 13 and a second mounting opening 24 are respectively formed in the inner walls of the two ends of the lower half pipe 1 and the upper half pipe 2, a plurality of thread cylinders 6 are respectively and uniformly mounted in the first mounting opening 13 and the second mounting opening 24, one ends of the thread cylinders 6 are communicated with the mounting openings, the other ends of the thread cylinders are located inside the lower half pipe, each thread cylinder 6 is an internal thread cylinder 6, and the axis direction of each thread cylinder 6 is perpendicular to the axis direction of the pipeline body.
Referring to fig. 1, the electric power engineering pipeline further includes a connecting member 7 for connecting two pipeline bodies, the connecting member 7 includes a connecting ring 71 adapted to the installation opening, the connecting ring 71 is formed by connecting metal strip plates, a plurality of through holes are formed in the connecting ring 71 corresponding to the threaded cylinder 6, the width of the connecting ring 71 is twice the width of the opening of the first installation opening 13 and the second installation opening, and a backing ring 72 is sleeved on the outer peripheral surface of the connecting ring 71.
After assembling and forming two pipeline bodies, the end parts of the two pipeline bodies are correspondingly arranged, the connecting ring 71 is placed in the groove-shaped structure formed by the first mounting hole 13 and the second mounting hole 24, the bolts are arranged in the through holes of the connecting ring 71 in a penetrating mode and connected onto the threaded cylinder 6 in a penetrating mode, connection work of the two pipeline bodies can be completed, the bolts are tightly connected with the threaded cylinder 6, the backing ring 72 is tightly abutted in the mounting holes, and therefore when the connection of the two pipeline bodies is completed, the sealing performance of the end face of the pipeline body can be improved.
Referring to fig. 1, still be provided with the support frame 8 that is used for supporting the cable in the pipeline body, referring to fig. 4, the support frame 8 includes bottom plate 81, install four truckles 82 on the face of bottom plate 81, set up the lifting unit of face on bottom plate 81, and install standing groove 88 on lifting unit upper portion, and four truckles 82 evenly lay on bottom plate 81, and the notch orientation of standing groove 88 deviates from bottom plate 81 and sets up, and the cable can stably place in the notch of standing groove 88.
The lifting assembly comprises two supports 83 arranged on the bottom plate 81 at intervals, two-way screw rods 84 rotatably arranged on the two supports 83, two limit rings 85 sleeved and fixedly connected on the two-way screw rods 84, two moving blocks 86 in threaded connection with the two-way screw rods 84, and two hinge rods 87 respectively hinged on the two moving blocks 86, wherein the other ends of the hinge rods 87 are hinged on the bottom surface of the placement groove 88, two sections of threads with different turning directions are arranged on the two-way screw rods 84, the two limit rings 85 are respectively abutted on two opposite side surfaces of the two supports 83, so that the two-way screw rods 84 are limited to rotate only on the two supports 83 and cannot move randomly along the axis direction of the two supports, and the bottom surfaces of the moving blocks 86 are always abutted on the.
When the bidirectional screw 84 is rotated, the two moving blocks 86 are close to or far away from each other under the driving action of the bidirectional screw 84, so that the vertical height between the two ends of the hinge rod 87 is changed, the placing groove 88 can be lifted, and after the placing groove 88 is lifted, the downward gravity of the cable cannot enable the moving blocks 86 to move freely on the bidirectional screw 84, so that the lifting assembly stably supports the placing groove 88.
Referring to fig. 5, a method for using the electric power engineering pipeline includes the following steps:
step one, digging a pit on the ground, and putting a lower half pipe 1 into the pit:
the arc-shaped opening of the lower half pipe 1 is arranged upwards, and the supporting legs 11 are used for stably supporting the lower half pipe 1 at the bottom of the pit.
Step two, assembling the upper half pipe 2 on the lower half pipe 1:
the arc-shaped opening of the upper half pipe 2 is arranged downwards, then the upper half pipe 2 is hoisted on the lower half pipe 1, and the convex edge 12 and the support ring 4 are respectively clamped in the clamping groove 22 and the groove 23.
Step three, connecting the embedded parts 5:
the jointed connecting blocks 52 are fastened by using bolts, so that the lower half pipe 1 and the upper half pipe 2 are assembled into a complete pipeline body.
Step four, laying cables:
the support frame 8 is placed in the pipeline body, and the cable is placed on the placing groove 88 when the cable is arranged in a penetrating mode.
Through above-mentioned operating procedure, when being convenient for assemble the pipeline body, when the maintenance cable, also be convenient for dismantle the pipeline body to the maintenance personal can open first half pipe 2 in the position that corresponds the cable and break down, then get into second half pipe 1 in, can directly maintain the cable, compare in all taking out maintenance work again in following the pipeline with longer cable, can effectively improve maintenance work's work efficiency.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an electric power engineering pipeline, includes the pipeline body, its characterized in that: the pipeline body comprises a lower half pipe (1), an upper half pipe (2) assembled with the lower half pipe (1), and embedded parts (5) arranged outside the lower half pipe (1) and the upper half pipe (2) in pairs;
the end surfaces of the lower half pipe (1) and the upper half pipe (2) are semicircular, and a plane of the lower half pipe (1) parallel to the axis direction and a plane of the upper half pipe (2) parallel to the axis direction can be attached in pairs;
after the two planes of the lower half pipe (1) and the upper half pipe (2) are attached to each other, the two embedded parts (5) in pairs are correspondingly arranged.
2. An electrical engineering pipe according to claim 1, wherein: a rib (12) is arranged on the plane along the length direction of the plane of the lower half pipe (1);
a clamping groove (22) for clamping the convex rib (12) is arranged on the plane of the upper half pipe (2).
3. An electrical engineering pipe according to claim 2, wherein: the cross section of the rib (12) in the length direction is trapezoidal, and the smaller bottom surface of the rib deviates from the lower half pipe (1).
4. An electrical engineering pipe according to claim 2 or 3, wherein: and a sealing gasket (3) is arranged on the plane of the lower half pipe (1), and the sealing gasket (3) is attached to the surface of the convex rib (12).
5. An electrical engineering pipe according to claim 1, wherein: the embedded part (5) comprises an embedded plate (51) embedded in the half pipe and connecting blocks (52) connected with the embedded plate (51), wherein the connecting blocks (52) are located outside the half pipe, and after the planes of the lower half pipe (1) and the upper half pipe (2) are attached, the opposite surfaces of a group of two connecting blocks (52) are attached to each other.
6. An electrical engineering pipe according to claim 1, wherein: the lower half pipe (1) is pre-buried with a support ring (4), and the inner wall of the upper half pipe (2) is provided with a groove (23) for the support ring (4) to be embedded.
7. An electrical engineering pipe according to any one of claims 1 to 6, wherein: the pipeline is characterized in that a supporting frame (8) is arranged in the pipeline body, the supporting frame (8) comprises a bottom plate (81), a lifting assembly arranged on the bottom plate (81) and a placing groove (88) connected to the lifting assembly and hung on the bottom plate (81), and the notch of the placing groove (88) faces away from the bottom plate (81).
8. An electrical engineering pipe according to claim 7, wherein: the lifting assembly comprises a bidirectional screw (84) rotatably arranged on the bottom plate (81), two moving blocks (86) in threaded connection with the bidirectional screw (84), and a hinge rod (87) hinged to the moving blocks (86), wherein one end, far away from the moving blocks (86), of the hinge rod (87) is hinged to a placing groove (88).
9. An electrical engineering pipe according to claim 1, wherein: the outer surface of the upper half pipe (2) is at least provided with two lifting lugs (21) for lifting.
10. A method for using an electrical engineering pipe according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
firstly, digging a pit on the ground, and placing a lower half pipe (1) into the pit;
assembling the upper half pipe (2) on the lower half pipe (1);
thirdly, connecting the embedded parts (5);
and step four, laying cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011512351.2A CN112653067A (en) | 2020-12-19 | 2020-12-19 | Electric power engineering pipeline and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011512351.2A CN112653067A (en) | 2020-12-19 | 2020-12-19 | Electric power engineering pipeline and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112653067A true CN112653067A (en) | 2021-04-13 |
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ID=75358355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011512351.2A Pending CN112653067A (en) | 2020-12-19 | 2020-12-19 | Electric power engineering pipeline and use method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112653067A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113835173A (en) * | 2021-09-16 | 2021-12-24 | 新能量科技股份有限公司 | Guide tube for optical cable leading-down |
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| JP2000166055A (en) * | 1998-11-28 | 2000-06-16 | Toshiba Plant Kensetsu Co Ltd | Longitudinally split electric wire pipe and method for laying/withdrawing cable or electric wire |
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| CN210838797U (en) * | 2019-12-17 | 2020-06-23 | 成都大通道管业有限公司 | CPVC power cable protection pipe with high strength is withstand voltage nature |
| CN211018121U (en) * | 2019-12-13 | 2020-07-14 | 四川荣鑫送变电工程有限公司 | Cable protection device for electrical engineering |
| CN211556726U (en) * | 2019-11-18 | 2020-09-22 | 河北浩德建筑安装工程有限公司 | Convenient to use's cable strutting arrangement |
| CN212050439U (en) * | 2020-04-24 | 2020-12-01 | 辽宁兰陵易电工程技术有限公司 | Electric power overhauls uses transport vechicle |
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2020
- 2020-12-19 CN CN202011512351.2A patent/CN112653067A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000166055A (en) * | 1998-11-28 | 2000-06-16 | Toshiba Plant Kensetsu Co Ltd | Longitudinally split electric wire pipe and method for laying/withdrawing cable or electric wire |
| CN203233131U (en) * | 2013-05-21 | 2013-10-09 | 刘冉 | Cable protection sleeve |
| CN206650383U (en) * | 2017-04-19 | 2017-11-17 | 无锡工艺职业技术学院 | A kind of cable protection pipe |
| CN211556726U (en) * | 2019-11-18 | 2020-09-22 | 河北浩德建筑安装工程有限公司 | Convenient to use's cable strutting arrangement |
| CN211018121U (en) * | 2019-12-13 | 2020-07-14 | 四川荣鑫送变电工程有限公司 | Cable protection device for electrical engineering |
| CN210838797U (en) * | 2019-12-17 | 2020-06-23 | 成都大通道管业有限公司 | CPVC power cable protection pipe with high strength is withstand voltage nature |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113835173A (en) * | 2021-09-16 | 2021-12-24 | 新能量科技股份有限公司 | Guide tube for optical cable leading-down |
| CN113835173B (en) * | 2021-09-16 | 2024-06-07 | 新能量科技股份有限公司 | Guide tube for optical cable down-connection |
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Application publication date: 20210413 |