CN214194660U - Prefabricated cable shaft of cordwood system equipment - Google Patents
Prefabricated cable shaft of cordwood system equipment Download PDFInfo
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- CN214194660U CN214194660U CN202022927969.7U CN202022927969U CN214194660U CN 214194660 U CN214194660 U CN 214194660U CN 202022927969 U CN202022927969 U CN 202022927969U CN 214194660 U CN214194660 U CN 214194660U
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Abstract
The utility model provides a prefabricated cable shaft of cordwood system equipment, the utility model relates to the technical field of power equipment; the horizontal wall block is composed of a plurality of first horizontal blocks and second horizontal blocks, the first horizontal blocks are distributed in a matrix mode, the second horizontal blocks are arranged on one sides of the first horizontal block positioned on the leftmost side and the first horizontal block positioned on the rightmost side, and locking mechanisms are symmetrically arranged on the left and right sides of the outer side of the first horizontal block; the vertical wall block is composed of a plurality of first vertical blocks and second vertical blocks, the first vertical blocks are distributed in a matrix form, the second vertical blocks are arranged on the outer sides of the first vertical block positioned at the foremost side and the first vertical block positioned at the rearmost side, and a clamping mechanism is arranged between the second vertical block and the second horizontal block; according to the different actual building specifications of the cable shaft, the prefabricated plates with different specifications are installed, so that the installation requirement of the cable shaft is met, the loss of site construction labor force is reduced, the construction speed is accelerated, the construction period is shortened, and the efficiency is improved.
Description
Technical Field
The utility model relates to a power equipment technical field, concretely relates to prefabricated cable shaft of cordwood system equipment.
Background
With the progress of science and technology and the acceleration of urbanization process, the requirements of modern society on electric power engineering construction are higher and higher, a cable well is a facility for laying and maintaining cables, and the construction of the cable well mainly adopts a brick laying or on-site pouring mode, so that the construction speed is slow, the labor intensity of workers is high, the quality is unstable, the surface of a finished product is rough, the flatness is poor, and meanwhile, the construction period is also easily influenced by factors such as seasonal weather; moreover, the construction period has great influence on traffic and environment, so that the requirement of urban construction cannot be met; in order to shorten the construction time, a bottom plate, a cover plate and a wallboard of the cable well are prefabricated into a plate shape in a partitioning mode, and then pouring connection is carried out during site construction; however, the size of the prefabricated plate during prefabrication is fixed, and the specification of the cable well required to be built actually is different, so that the prefabricated plate cannot meet the actual requirement, and the working strength of constructors is increased during construction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's prefabricated cable shaft of cordwood system equipment, it is different according to the actual building specification of cable shaft, install the operation through the prefabricated plate to different specifications to satisfy the installation demand of cable shaft, reduce the on-the-spot construction labour loss, accelerate construction speed reduction of erection time, thereby raise the efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme: the wall comprises a horizontal wall block and a vertical wall block, wherein the horizontal wall block is symmetrically arranged in front and back, and the vertical wall blocks are arranged on the left side and the right side of the horizontal wall block; the device also comprises a first horizontal block, a second horizontal block, a first vertical block, a second vertical block, a locking mechanism and a clamping mechanism; the horizontal wall block is composed of a plurality of first horizontal blocks and second horizontal blocks, the first horizontal blocks are distributed in a matrix mode, the second horizontal blocks are arranged on one sides of the first horizontal block positioned on the leftmost side and the first horizontal block positioned on the rightmost side, and locking mechanisms are symmetrically arranged on the left and right sides of the outer side of the first horizontal block; the vertical wall block is composed of a plurality of first vertical blocks and second vertical blocks, the first vertical blocks are distributed in a matrix form, the second vertical blocks are arranged on the outer sides of the first vertical block positioned at the foremost side and the first vertical block positioned at the rearmost side, and a clamping mechanism is arranged between the second vertical block and the second horizontal block;
the locking mechanism comprises a first block, a locking frame, a moving block and a locking bolt, wherein the first block is respectively fixed on the first horizontal block and the second horizontal block, the locking frame is arranged on the outer side of the first block and is in an L-shaped structure, the outer side of the first block is in contact with the horizontal end in the locking frame, a plurality of sliding grooves are formed in the inner wall of the horizontal end in the locking frame, sliding blocks are arranged in the sliding grooves in a sliding mode, the other side of each sliding block is fixed on the moving block, the moving block is arranged on the outer side of the first block, the locking bolt sequentially penetrates through the moving block, the first block and the vertical end in the locking frame from right to left, the tail end of the locking bolt is arranged on the left side of the locking frame, and the tail end of the locking bolt is provided with a nut in a screwed connection mode through threads;
the clamping mechanism comprises a first clamping frame, a second clamping frame, a first positioning frame and a second positioning frame, wherein the first clamping frame is arranged on the inner sides of a second vertical block and a second horizontal block, the second clamping frame is arranged on the outer sides of the second vertical block and the second horizontal block, the first clamping frame and the second clamping frame are both arranged in an L-shaped structure, a first clamping groove is formed in the horizontal end of the first clamping frame and the horizontal end of the second clamping frame, a second clamping groove is formed in the vertical end of the first clamping frame and the vertical end of the second clamping frame, the first positioning frame is arranged on the upper side of the horizontal end of the first clamping frame and the second clamping frame, the second positioning frame is arranged on the upper side of the vertical end of the first clamping frame and the vertical end of the second clamping frame, the first positioning frame and the second positioning frame are both arranged in an inverted U-shaped structure, the vertical ends of the front side and the rear side of the first positioning frame are respectively inserted into the corresponding first clamping grooves, the vertical ends of the left side and the right side of the second positioning frame are respectively inserted into the corresponding second clamping grooves.
Furthermore, the left side of a horizontal block seted up a fluting, the right side of a horizontal block is fixed with the inserted block No. one, the inserted block is inserted and is established in the fluting on its right side No. one, the right side that is located the horizontal block No. two on leftmost is fixed with the inserted block No. two, No. two the inserted block is inserted and is established in the fluting on its right side No. one, the left side that is located the horizontal block No. two on rightmost has seted up No. two flutings, the inserted block that is located the horizontal block right side No. one on rightmost right side is inserted and is established in No. two flutings.
Furthermore, a third slot is formed in the other side of the second horizontal block, a third insertion block is fixed to one side of the second vertical block, and the third insertion block is inserted into the third slot.
Furthermore, the bottoms of the first horizontal block and the second horizontal block which are positioned on the upper side are respectively fixed with a positioning insertion block, the upper sides of the first horizontal block and the second horizontal block which are positioned on the lower side are respectively provided with a positioning insertion slot, and the positioning insertion blocks are inserted into the positioning insertion slots.
Furthermore, the rear side of the first vertical block is fixed with a first boss, the front side of the first vertical block is provided with a first groove, the first boss is inserted into the first groove on the rear side of the first vertical block, the rear side of the second vertical block on the foremost side is fixed with a second boss, the second boss is inserted into the first groove on the rear side of the second vertical block, the front side of the second vertical block on the rearmost side is provided with a second groove, and the first boss on the rear side of the first vertical block on the rearmost side is inserted into the second groove.
After the structure is adopted, the utility model discloses beneficial effect does:
1. the first block is locked through the locking frame and the moving block, so that the left first block and the right first block are connected and fixed, the number of the first horizontal blocks is increased or reduced conveniently, the size of the wall is changed, and the stability of the wall is improved;
2. through a clamping frame, No. two clamping frames with No. two horizontal blocks, No. two perpendicular blocks press from both sides tight operation, improve the steadiness between No. two horizontal blocks and No. two perpendicular blocks, conveniently construct the installation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic view of the connection between the locking frame and the moving block of the present invention.
Fig. 5 is a schematic view of the connection between the second horizontal block and the second vertical block of the present invention.
Fig. 6 is a schematic view of the connection between the first clamping frame and the second clamping frame of the present invention.
Fig. 7 is a schematic view of the connection between the upper and lower horizontal blocks of the present invention.
Fig. 8 is a schematic view of the connection between the horizontal wall block and the vertical wall block of the present invention.
Description of reference numerals:
a horizontal wall block 1, a vertical wall block 2, a first horizontal block 3, a first slot 3-1, a second horizontal block 4, a second slot 4-1, a third slot 4-2, a first vertical block 5, a first groove 5-1, a second vertical block 6, a second groove 6-1, a locking mechanism 7, a first block 7-1, a locking frame 7-2, a moving block 7-3 and a locking bolt 7-4, 7-5 parts of sliding grooves, 7-6 parts of sliding blocks, 8 parts of clamping mechanisms, 8-1 parts of first clamping frames, 8-2 parts of second clamping frames, 8-3 parts of first positioning frames, 8-4 parts of second positioning frames, 8-5 parts of first clamping grooves, 8-6 parts of second clamping grooves, 9 parts of first insertion blocks, 10 parts of second insertion blocks, 11 parts of third insertion blocks, 12 parts of positioning insertion blocks, 13 parts of positioning insertion grooves, 14 parts of first bosses and 15 parts of second bosses.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 8, the technical solution adopted by the present embodiment is: the wall comprises a horizontal wall block 1 and vertical wall blocks 2, wherein the horizontal wall block 1 is symmetrically arranged in front and back, and the vertical wall blocks 2 are arranged on the left side and the right side of the horizontal wall block 1; the device also comprises a first horizontal block 3, a second horizontal block 4, a first vertical block 5, a second vertical block 6, a locking mechanism 7 and a clamping mechanism 8; the horizontal wall block 1 is composed of a plurality of first horizontal blocks 3 and second horizontal blocks 4, the plurality of first horizontal blocks 3 are distributed in a matrix form, one side of each of the first horizontal block 3 positioned at the leftmost side and the first horizontal block 3 positioned at the rightmost side is provided with the second horizontal block 4, the outer side of each of the first horizontal blocks 3 is symmetrically provided with locking mechanisms 7 from left to right, the left side of each of the first horizontal blocks 3 is provided with a first open groove 3-1, the right side of each of the first horizontal blocks 3 is fixedly provided with a first insertion block 9 in a pouring manner, the first insertion block 9 is inserted into the first open groove 3-1 at the right side, the right side of each of the second horizontal blocks 4 positioned at the leftmost side is fixedly provided with a second insertion block 10 in a pouring manner, the second insertion block 10 is inserted into the first open groove 3-1 at the right side, the left side of each of the second horizontal block 4 positioned at the rightmost side is provided with a second open groove 4-1, the first insertion block 9 at the right side, the stability between the first horizontal block 3 and the second horizontal block 4 is reinforced; the vertical wall block 2 is composed of a plurality of first vertical blocks 5 and second vertical blocks 6, a plurality of first vertical blocks 5 are distributed in a matrix shape, the outer sides of the first vertical block 5 positioned at the forefront and the first vertical block 5 positioned at the rearmost are provided with second vertical blocks 6, a clamping mechanism 8 is arranged between the second vertical blocks 6 and the second horizontal blocks 4, a first boss 14 is cast and fixed at the rear side of the first vertical block 5, a first groove 5-1 is arranged at the front side of the first vertical block 5, the first boss 14 is inserted in the first groove 5-1 at the rear side of the first vertical block 14, a second boss 15 is cast and fixed at the rear side of the second vertical block 6 positioned at the forefront, the second boss 15 is inserted in the first groove 5-1 at the rear side of the second vertical block 6 positioned at the rearmost, a second groove 6-1 is arranged at the front side of the second vertical block 6, and a first boss 14 at the rear side of the first vertical block 5 positioned at the rearmost is inserted in the second groove 6-1, the stability between the first vertical block 5 and the second vertical block 6 is reinforced; a third slot 4-2 is formed in the other side of the second horizontal block 4, a third inserting block 11 is fixedly poured on one side of the second vertical block 6, and the third inserting block 11 is inserted into the third slot 4-2; the stability of the second horizontal block 4 and the second vertical block 6 is improved by the insertion and matching of the third inserting block 11 and the third inserting groove 4-2;
the locking mechanism 7 comprises a first block 7-1, a locking frame 7-2, a movable block 7-3 and a locking bolt 7-4, the first block 7-1 is respectively poured and fixed on the first horizontal block 3 and the second horizontal block 4, the locking frame 7-2 is arranged on the outer side of the first block 7-1, the locking frame 7-2 is arranged in an L-shaped structure, the outer side of the first block 7-1 is in contact with the horizontal end of the locking frame 7-2, a plurality of sliding grooves 7-5 are formed in the inner wall of the horizontal end of the locking frame 7-2, sliding blocks 7-6 are arranged in the sliding grooves 7-5 in a sliding mode, the other side of each sliding block 7-6 is poured and fixed on the movable block 7-3, the movable block 7-3 is arranged on the outer side of the first block 7-1, and the locking bolt 7-4 sequentially penetrates through the movable block 7-3 from right to left, In the vertical end of the first block 7-1 and the locking frame 7-2, the tail end of the locking bolt 7-4 is arranged on the left side of the locking frame 7-2, and the tail end of the locking bolt 7-4 is screwed with a nut through threads;
the clamping mechanism 8 comprises a first clamping frame 8-1, a second clamping frame 8-2, a first positioning frame 8-3 and a second positioning frame 8-4, the inner sides of a second vertical block 6 and a second horizontal block 4 are provided with the first clamping frame 8-1, the outer sides of the second vertical block 6 and the second horizontal block 4 are provided with the second clamping frame 8-2, the first clamping frame 8-1 and the second clamping frame 8-2 are arranged in an L-shaped structure, a first clamping groove 8-5 is respectively arranged in the horizontal end of the first clamping frame 8-1 and the horizontal end of the second clamping frame 8-2, a second clamping groove 8-6 is respectively arranged in the vertical end of the first clamping frame 8-1 and the vertical end of the second clamping frame 8-2, the upper sides of the horizontal ends of the first clamping frame 8-1 and the second clamping frame 8-2 are provided with the first positioning frame 8-3, no. two positioning frames 8-4 are arranged on the upper sides of the vertical ends of the first clamping frame 8-1 and the second clamping frame 8-2, the first positioning frame 8-3 and the second positioning frame 8-4 are arranged in an inverted U-shaped structure, the vertical ends of the front side and the rear side of the first positioning frame 8-3 are respectively inserted into the corresponding first clamping grooves 8-5, and the vertical ends of the left side and the right side of the second positioning frame 8-4 are respectively inserted into the corresponding second clamping grooves 8-6.
The working principle of the specific embodiment is as follows: according to different specifications of the actually required cable well, the sizes of the walls on the front side and the rear side of the cable well are adjusted through the installation and the matching of the first horizontal block 3 and the second horizontal block 4, and the sizes of the walls on the left side and the right side of the cable well are adjusted through the installation and the matching of the first vertical block 5 and the second vertical block 6; the first horizontal block 3 and the second horizontal block 4 are fixedly installed through the locking mechanism 7, the moving block 7-3 is driven to move in the left-right direction, the moving block 7-3 is enabled to limit and clamp the first block 7-1, and locking and fixing are conducted through the locking bolt 7-4, so that the first horizontal block 3 and the second horizontal block 4 are stably connected; the second horizontal block 4 and the second vertical block 6 are limited through a first clamping frame 8-1 and a second clamping frame 8-2, the first clamping frame 8-1 and the second clamping frame 8-2 are inserted and clamped through a first positioning frame 8-3 and a second positioning frame 8-4, the first clamping frame 8-1 and the second clamping frame 8-2 clamp the second horizontal block 4 and the second vertical block 6, the stability of the cable well is reinforced, and therefore pouring and forming of a master worker are facilitated; no. 3 horizontal blocks of upside, No. two horizontal blocks 4 and No. 3 horizontal blocks of downside, No. two horizontal blocks 4 establish the cooperation through inserting of location inserted block 12 and location slot 13 between, and about two adjacent horizontal blocks 3 establish the cooperation through inserting of an inserted block 9 and a fluting 3-1 between consolidate, No. two horizontal blocks 4 carry out the centre gripping to a horizontal block 3 fixed, consolidate the whole steadiness of wall.
After adopting above-mentioned structure, this embodiment beneficial effect does:
1. the first block 7-1 is locked through the locking frame 7-2 and the moving block 7-3, so that the left first block 7-1 and the right first block 7-1 are connected and fixed, the number of the first horizontal blocks 3 is increased or reduced conveniently, the size of the wall is changed, and the stability of the wall is improved;
2. the second horizontal block 4 and the second vertical block 6 are clamped through the first clamping frame 8-1 and the second clamping frame 8-2, so that the stability between the second horizontal block 4 and the second vertical block 6 is improved, and construction and installation are facilitated;
3. the first horizontal block 3 and the second horizontal block 4 on the upper side are matched with the first horizontal block 3 and the second horizontal block 4 on the lower side through the insertion of the positioning insertion block 12 and the positioning insertion slot 13, so that the stability of the wall is reinforced;
4. through the inserting and matching of the third inserting block 11 and the third inserting groove 4-2, the second horizontal block 4 and the second vertical block 6 are tightly connected, and the overall stability of the wall is improved.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. A building block type assembled prefabricated cable well comprises a horizontal wall block (1) and vertical wall blocks (2), wherein the horizontal wall block (1) is symmetrically arranged in front and back, and the vertical wall blocks (2) are arranged on the left side and the right side of the horizontal wall block (1); the method is characterized in that: the device also comprises a first horizontal block (3), a second horizontal block (4), a first vertical block (5), a second vertical block (6), a locking mechanism (7) and a clamping mechanism (8); the horizontal wall block (1) is composed of a plurality of first horizontal blocks (3) and second horizontal blocks (4), the first horizontal blocks (3) are distributed in a matrix form, the second horizontal blocks (4) are arranged on one sides of the first horizontal block (3) located at the leftmost side and the first horizontal block (3) located at the rightmost side, and locking mechanisms (7) are symmetrically arranged on the left and right of the outer side of the first horizontal block (3); the vertical wall block (2) is composed of a plurality of first vertical blocks (5) and second vertical blocks (6), the first vertical blocks (5) are distributed in a matrix form, the second vertical block (6) is arranged on the outer sides of the first vertical block (5) positioned at the foremost side and the first vertical block (5) positioned at the rearmost side, and a clamping mechanism (8) is arranged between the second vertical block (6) and the second horizontal block (4);
the locking mechanism (7) comprises a first block (7-1), a locking frame (7-2), a moving block (7-3) and a locking bolt (7-4), the first block (7-1) is respectively fixed on the first horizontal block (3) and the second horizontal block (4), the locking frame (7-2) is arranged on the outer side of the first block (7-1), the locking frame (7-2) is arranged in an L-shaped structure, the outer side of the first block (7-1) is in contact with the horizontal end in the locking frame (7-2), a plurality of sliding grooves (7-5) are formed in the inner wall of the horizontal end in the locking frame (7-2), sliding blocks (7-6) are arranged in the sliding grooves (7-5), the other sides of the sliding blocks (7-6) are fixed on the moving block (7-3), the moving block (7-3) is arranged on the outer side of the first block (7-1), the locking bolt (7-4) sequentially penetrates through the moving block (7-3), the first block (7-1) and the vertical end of the locking frame (7-2) from right to left, the tail end of the locking bolt (7-4) is arranged on the left side of the locking frame (7-2), and the tail end of the locking bolt (7-4) is screwed with a nut through threads;
the clamping mechanism (8) comprises a first clamping frame (8-1), a second clamping frame (8-2), a first positioning frame (8-3) and a second positioning frame (8-4), wherein the first clamping frame (8-1) is arranged on the inner sides of a second vertical block (6) and a second horizontal block (4), the second clamping frame (8-2) is arranged on the outer sides of the second vertical block (6) and the second horizontal block (4), the first clamping frame (8-1) and the second clamping frame (8-2) are arranged in an L-shaped structure, a first clamping groove (8-5) is formed in the horizontal end of the first clamping frame (8-1) and the horizontal end of the second clamping frame (8-2), a second clamping groove (8-6) is formed in the vertical end of the first clamping frame (8-1) and the vertical end of the second clamping frame (8-2), the upper sides of the horizontal ends of the first clamping frame (8-1) and the second clamping frame (8-2) are provided with a first positioning frame (8-3), the upper sides of the vertical ends of the first clamping frame (8-1) and the second clamping frame (8-2) are provided with a second positioning frame (8-4), the first positioning frame (8-3) and the second positioning frame (8-4) are arranged in an inverted U-shaped structure, the vertical ends of the front side and the rear side of the first positioning frame (8-3) are respectively inserted into the corresponding first clamping grooves (8-5), and the vertical ends of the left side and the right side of the second positioning frame (8-4) are respectively inserted into the corresponding second clamping grooves (8-6).
2. The modular prefabricated cable well of claim 1, wherein: the left side of a horizontal block (3) is provided with a groove (3-1), the right side of the horizontal block (3) is fixed with an insert block (9), the insert block (9) is inserted into the groove (3-1) on the right side of the insert block, the right side of the leftmost horizontal block (4) is fixed with an insert block (10), the insert block (10) is inserted into the groove (3-1) on the right side of the insert block, the left side of the rightmost horizontal block (4) is provided with a groove (4-1), and the insert block (9) on the right side of the rightmost horizontal block (3) is inserted into the groove (4-1).
3. The modular prefabricated cable well of claim 1, wherein: the other side of the second horizontal block (4) is provided with a third slot (4-2), one side of the second vertical block (6) is fixed with a third insert block (11), and the third insert block (11) is inserted into the third slot (4-2).
4. The modular prefabricated cable well of claim 1, wherein: the bottom of the first horizontal block (3) and the bottom of the second horizontal block (4) which are positioned on the upper side are both fixed with positioning insertion blocks (12), the upper sides of the first horizontal block (3) and the second horizontal block (4) which are positioned on the lower side are both provided with positioning insertion grooves (13), and the positioning insertion blocks (12) are inserted into the positioning insertion grooves (13).
5. The modular prefabricated cable well of claim 1, wherein: the rear side of the first vertical block (5) is fixed with a first boss (14), the front side of the first vertical block (5) is provided with a first groove (5-1), the first boss (14) is inserted into the first groove (5-1) on the rear side of the first vertical block, the rear side of the second vertical block (6) on the foremost side is fixed with a second boss (15), the second boss (15) is inserted into the first groove (5-1) on the rear side of the second vertical block, the front side of the second vertical block (6) on the rearmost side is provided with a second groove (6-1), and the first boss (14) on the rear side of the first vertical block (5) on the rearmost side is inserted into the second groove (6-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022927969.7U CN214194660U (en) | 2020-12-09 | 2020-12-09 | Prefabricated cable shaft of cordwood system equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022927969.7U CN214194660U (en) | 2020-12-09 | 2020-12-09 | Prefabricated cable shaft of cordwood system equipment |
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| Publication Number | Publication Date |
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| CN214194660U true CN214194660U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022927969.7U Active CN214194660U (en) | 2020-12-09 | 2020-12-09 | Prefabricated cable shaft of cordwood system equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502193A (en) * | 2020-12-09 | 2021-03-16 | 常州润源电力建设有限公司 | Prefabricated cable shaft of cordwood system equipment |
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2020
- 2020-12-09 CN CN202022927969.7U patent/CN214194660U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502193A (en) * | 2020-12-09 | 2021-03-16 | 常州润源电力建设有限公司 | Prefabricated cable shaft of cordwood system equipment |
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