CN211720231U - Electrical engineering cable protection device - Google Patents
Electrical engineering cable protection device Download PDFInfo
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- CN211720231U CN211720231U CN202020645479.5U CN202020645479U CN211720231U CN 211720231 U CN211720231 U CN 211720231U CN 202020645479 U CN202020645479 U CN 202020645479U CN 211720231 U CN211720231 U CN 211720231U
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Abstract
An electrical engineering cable protection device comprises a base, a support rod, a fastener, a mounting plate and a clamping plate, wherein the base is preset underground; the base is provided with a protective cover and an inverted plate; sealing sleeves are arranged in the through holes on the protective cover; the inverted plate is positioned in the protective cover; one end of each of the support rods is connected with the mounting plate, the other end of each of the support rods sequentially penetrates through the seal sleeves and the inverted plates, and the other ends of the support rods are respectively in threaded fit with the fasteners; the first spring is sleeved outside the supporting rod; two ends of the first spring are respectively connected with the end surface of the inverted plate and the inner wall of the protective cover; the fastener presses the inverted plate towards the end surface of the inverted plate; the seal sleeve is in interference fit with the support rod; a plurality of groups of strip-shaped holes and a plurality of groups of mounting holes are arranged on the mounting plate side by side; each group of mounting holes is communicated with each group of strip-shaped holes; the clamping plate is arranged in the mounting hole through a plurality of groups of telescopic extrusion rods. The utility model discloses can effectually protect buried underground's cable.
Description
Technical Field
The utility model relates to an electrical engineering construction technical field especially relates to an electrical engineering cable protection device.
Background
The electric engineering is a core subject and a key subject in the modern science and technology field, the development of the electric engineering is gradually changing the life and work mode of human beings, the electric power is an important material basis for developing production and improving the living standard of the human beings, the application of the electric power is continuously deepened and developed, the electric automation is an important mark for national economy and modernization of the human lives, and the demand of the electric power is continuously increased in a long period in the future in terms of the current international standard; cables need to be laid in the construction process of electrical engineering; cables are typically installed underground; however, the cable is easy to be damaged by long-term stress, extrusion and deformation when being laid underground, and the cable is inconvenient to distinguish when being maintained and replaced at a later stage; for this reason, an electrical engineering cable protection device is proposed in this application.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides an electrical engineering cable protection device, the utility model discloses can effectually protect buried underground's cable underground.
(II) technical scheme
In order to solve the problems, the utility model provides an electrical engineering cable protection device, which comprises a base, an inverted plate, a support rod, a fastener, a first spring, a mounting plate and a clamping plate, wherein the base is preset underground;
the base comprises a first bottom plate, a plurality of groups of connecting rods and a second bottom plate; the connecting rods are distributed side by side, and two ends of the connecting rods are respectively connected with the first bottom plate and the second bottom plate; the first bottom plate and the second bottom plate are parallel; the second bottom plate is positioned below the first bottom plate, and a plurality of groups of first through holes are uniformly formed in the second bottom plate; the first bottom plate is provided with a protective cover; a plurality of groups of second through holes are formed in the protective cover; a seal sleeve is arranged in each group of second through holes;
the inverted plate is arranged on the first base plate and is positioned in the protective cover, and a plurality of groups of second through holes are uniformly formed in the end face, facing the second base plate, of the inverted plate; the support rods are distributed side by side, one ends of the support rods are connected with the mounting plate, the other ends of the support rods sequentially penetrate through the first through holes, the sealing sleeves and the third through holes, and the other ends of the support rods are respectively in threaded fit with the fasteners; each group of sealing sleeves is in interference fit with each group of supporting rods;
the multiple groups of first springs are respectively sleeved on the outer sides of the multiple groups of supporting rods, and two ends of the multiple groups of first springs are respectively connected with the end face of the inverted plate and the inner wall of the protective cover; the end faces, facing the inverted plates, of each group of fasteners are pressed against the inverted plates;
the mounting plate is vertical to the second bottom plate, and a plurality of groups of strip-shaped holes are arranged on the mounting plate side by side; each group of strip-shaped holes is provided with an opening on the end surface of the mounting plate far away from the second bottom plate; a plurality of groups of mounting holes are arranged on the mounting plate; each group of mounting holes and each group of strip-shaped holes are distributed in a staggered manner, and each group of mounting holes is communicated with each group of strip-shaped holes;
the clamping plates correspond to the mounting holes one by one, the clamping plates are positioned in the mounting holes, the end faces, facing the circle center of the mounting holes, of the clamping plates are provided with curved surfaces, and each group of clamping plates are rotatably provided with a plurality of groups of telescopic extrusion rods; each group of telescopic extrusion rods is connected with the inner wall of the mounting hole.
Preferably, the projection of each group of clamping plates is a fan ring.
Preferably, a plurality of groups of guide plates are included; the guide plates are arranged on one sides, close to the strip-shaped holes, of the clamping plates, each guide plate group corresponds to each clamping plate group one to one, and the projection of each guide plate group is in a sector ring shape.
Preferably, the first bottom plate, the multiple groups of connecting rods and the second bottom plate are of an integrated structure.
Preferably, the first bottom plate, the multiple groups of connecting rods and the second bottom plate are made of concrete.
Preferably, one end of the mounting plate, which is far away from the base, is provided with a supporting plate.
Preferably, each group of telescopic extrusion rods comprises a mounting cylinder, a sliding rod, a sliding sleeve, a sliding piece and an elastic supporting piece;
one end of the mounting cylinder is connected with the inner wall of the mounting hole, and the other end of the mounting cylinder is provided with a fourth through hole; the sliding sleeve is arranged in the fourth through hole;
one end of the sliding rod is rotatably connected with the clamping plate, the other end of the sliding rod penetrates through the fourth through hole and extends into the mounting cylinder, and the other end of the sliding rod is connected with the sliding piece; the sliding part is connected with the inner wall of the mounting cylinder in a sliding manner;
the elastic support piece is positioned in the mounting cylinder, and two ends of the elastic support piece are respectively connected with one end of the sliding piece, which is far away from the sliding rod, and the inner wall of the mounting cylinder.
Preferably, the shield comprises a cover body and a flange plate; wherein, the first bottom plate is provided with a plurality of groups of threaded blind holes;
the flange plate is arranged on the cover body along the circumferential direction of the cover body, and a plurality of groups of threaded holes are formed in the flange plate; each group of threaded holes are provided with a fastening piece; the multiple groups of fastening pieces are screwed into the multiple groups of threaded blind holes respectively; the flange plate presses the first base plate toward the end face of the first base plate.
Preferably, a plurality of groups of mounting grooves are arranged on the end faces of the flange plates and the first bottom plate, which are tightly pressed;
filter cloth is arranged in each group of mounting grooves, fifth through holes used for being communicated with the interior of the protective cover are formed in the inner walls of each group of mounting grooves, and sixth through holes are formed in the inner walls of each group of mounting grooves; the central axis of the sixth through hole is parallel to the central axis of the fifth through hole.
The above technical scheme of the utility model has following profitable technological effect:
in the utility model, when in use, a plurality of groups of cables to be installed are respectively extended into a plurality of groups of strip-shaped holes through a plurality of groups of openings, then the plurality of groups of cables are respectively placed in the plurality of groups of mounting holes in a one-to-one fit manner, each group of cables are clamped and fixed through the clamping plates arranged in each group of mounting holes, and the telescopic extrusion rods compress, deform and extrude the elastic force to tightly press the clamping plates against the end surfaces of the cables so as to fixedly clamp the cables on the mounting plates; the mounting plate is in sliding connection with the inverted plate arranged on the first bottom plate through a plurality of groups of support rods; when cables are laid, the multiple groups of devices are preset underground according to the laid cables, and the multiple groups of cables are clamped and installed in the corresponding installation holes on each group of installation plates according to the mode, so that the cables can be conveniently replaced and maintained subsequently; when a plurality of groups of cables buried underground are under the pressure, the mounting plate drives the plurality of groups of support rods to move downwards; the multiple groups of first springs are pressed to further send elastic deformation to buffer the pressure on the mounting plate, so that the cable is prevented from being gradually deformed and damaged under the action of pressure for a long time, and the service life of the cable is greatly prolonged;
the inverted plate and the multiple groups of first springs are protected by the protective cover, so that the inverted plate and the multiple groups of first springs are prevented from being buried by soil, and the service performance of the device is improved; the protection casing is convenient to be disassembled and assembled with the base, the filter cloth arranged on the protection casing can prevent soil and the like from entering the protection casing, and accumulated water in the protection casing can be discharged through the sixth through hole and the fifth through hole which are arranged so as to prevent accumulated water in the protection casing.
Drawings
Fig. 1 is the utility model provides an electrical engineering cable protection device's schematic structure diagram.
Fig. 2 is the utility model provides a local enlarged structure schematic diagram of a department in electrical engineering cable protection device.
Fig. 3 is the utility model provides a three-dimensional structure schematic diagram of protection casing among electrical engineering cable protection device.
Fig. 4 is a schematic structural diagram of a local amplification type at B in the electrical engineering cable protection device provided by the present invention.
Fig. 5 is a top view of a first bottom plate in the electrical engineering cable protection device provided by the present invention.
Fig. 6 is a schematic structural view of the telescopic extrusion rod in the electrical engineering cable protection device provided by the present invention.
Reference numerals: 1. a first base plate; 101. a threaded blind hole; 2. a connecting rod; 3. a protective cover; 4. a second base plate; 5. a reverse board; 6. a support bar; 7. a fastener; 8. a first spring; 9. a first through hole; 10. mounting a plate; 11. a support plate; 12. a strip-shaped hole; 13. mounting holes; 14. a clamping plate; 15. a guide plate; 16. a telescopic extrusion rod; 161. a slide bar; 162. a sliding sleeve; 163. a slider; 164. an elastic support member; 31. a flange plate; 32. a threaded hole; 33. mounting grooves; 34. a sixth through hole; 35. and a fifth through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 6, the electrical engineering cable protection device provided by the present invention comprises a base preset underground, an inverted plate 5, a support rod 6, a fastener 7, a first spring 8, a mounting plate 10 and a clamping plate 14;
the base comprises a first bottom plate 1, a plurality of groups of connecting rods 2 and a second bottom plate 4; the connecting rods 2 are distributed side by side, and two ends of the connecting rods are respectively connected with the first bottom plate 1 and the second bottom plate 4; the first bottom plate 1 and the second bottom plate 4 are parallel; the second bottom plate 4 is positioned below the first bottom plate 1, and a plurality of groups of first through holes are uniformly formed in the second bottom plate 4; the first bottom plate 1 is provided with a protective cover 3; a plurality of groups of second through holes are arranged on the protective cover 3; a seal sleeve is arranged in each group of second through holes;
the inverted plate 5 is arranged on the first base plate 1 and is positioned in the protective cover 3, and a plurality of groups of second through holes are uniformly formed in the end face, facing the second base plate 4, of the inverted plate 5; the multiple groups of support rods 6 are distributed side by side, one ends of the multiple groups of support rods 6 are connected with the mounting plate 10, the other ends of the multiple groups of support rods 6 sequentially penetrate through the multiple groups of first through holes, the multiple groups of sealing sleeves and the multiple groups of third through holes, and the other ends of the multiple groups of support rods 6 are respectively in threaded fit connection with the multiple groups of fasteners 7; wherein each group of sealing sleeves is in interference fit with each group of supporting rods 6; the seal sleeves correspond to the support rods 6 one by one; each group of support rods 6 is connected with the inverted plate 5 in a sliding way;
the multiple groups of first springs 8 are respectively sleeved on the outer sides of the multiple groups of supporting rods 6, and two ends of the multiple groups of first springs 8 are respectively connected with the end face of the inverted plate 5 and the inner wall of the protective cover 3; wherein, the end surface of each group of fasteners 7 facing the inverted plate 5 presses the inverted plate 5;
the mounting plate 10 is vertical to the second bottom plate 4, and a plurality of groups of strip-shaped holes 12 are arranged on the mounting plate 10 side by side; each group of strip-shaped holes 12 is provided with an opening 9 on the end surface of the mounting plate 10 far away from the second bottom plate 4; a plurality of groups of mounting holes 13 are arranged on the mounting plate 10; each group of mounting holes 13 and each group of strip-shaped holes 12 are distributed in a staggered manner, and each group of mounting holes 13 are communicated with each group of strip-shaped holes 12; wherein, a plurality of mounting holes 13 are uniformly arranged along the length direction of each group of strip-shaped holes 12;
the clamping plates 14 correspond to the mounting holes 13 one by one, the clamping plates 14 are positioned in the mounting holes 13, the end faces, facing the circle center of the mounting holes 13, of the clamping plates 14 are provided with curved surfaces, and each group of clamping plates 14 is rotatably provided with a plurality of groups of telescopic extrusion rods 16; each set of telescopic extrusion rods 16 is connected with the inner wall of the mounting hole 13.
In the utility model, when in use, a plurality of groups of cables to be installed extend into a plurality of groups of strip-shaped holes 12 from a plurality of groups of openings 9 respectively, then the plurality of groups of cables are respectively placed in a plurality of groups of mounting holes 13 in a one-to-one matching way, each group of cables are clamped and fixed through the clamping plate 14 arranged in each group of mounting holes 13, and the telescopic extrusion rod 16 compresses, deforms and extrudes elastic force to compress the clamping plate 14 to the end surface of the cable so as to fixedly clamp the cable on the mounting plate 10; the mounting plate 10 is connected with an inverted plate 5 arranged on the first bottom plate 1 in a sliding way through a plurality of groups of support rods 6; when cables are laid, the multiple groups of devices are preset underground according to the laid cables, and the multiple groups of cables are clamped and installed in the corresponding installation holes 13 on each group of installation plates 10 according to the mode, so that the cables can be conveniently replaced and maintained subsequently; when a plurality of groups of cables buried underground are under pressure, the mounting plate 10 drives the plurality of groups of support rods 6 to move downwards; the multiple groups of first springs 8 are pressed to further send elastic deformation to buffer the pressure on the mounting plate 10, so that the cable is prevented from being gradually deformed and damaged under the action of pressure for a long time, and the service life of the cable is greatly prolonged; the protection casing 3 protects the inverted plate 5 and the multiple groups of first springs 8, prevents earth from burying the inverted plate, and improves the service performance of the device.
In an alternative embodiment, each set of clamping plates 14 has a projection that is a fan ring.
In an alternative embodiment, a plurality of sets of guide plates 15 are included; the multiunit deflector 15 sets up respectively in one side that multiunit grip block 14 is close to bar hole 12, every group deflector 15 and every group grip block 14 one-to-one, and the projection of every group deflector 15 is fan ring shape, and the deflector 15 that is equipped with is in order to make things convenient for the cable to get into between the inner wall of grip block 14 and mounting hole 13 along the terminal surface of deflector 15.
In an alternative embodiment, the first base plate 1, the plurality of sets of connecting rods 2 and the second base plate 4 are of an integrated structure to improve the stability of the base.
In an alternative embodiment, the first bottom plate 1, the plurality of groups of connecting rods 2 and the second bottom plate 4 are made of concrete; the base made of reinforced concrete has good stability and high strength.
In an alternative embodiment, the end of the mounting plate 10 remote from the base is provided with a support plate 11; a support plate 11 is provided to increase the contact area of the device to the forces.
In an alternative embodiment, each set of telescopic extrusion rods 16 comprises a mounting cylinder, a sliding rod 161, a sliding sleeve 162, a sliding member 163 and an elastic support 164;
one end of the mounting cylinder is connected with the inner wall of the mounting hole 13, and the other end of the mounting cylinder is provided with a fourth through hole; the sliding sleeve 162 is installed in the fourth through hole;
one end of the sliding rod 161 is rotatably connected with the clamping plate 14, the other end of the sliding rod 161 penetrates through the fourth through hole and extends into the mounting cylinder, and the other end of the sliding rod 161 is connected with the sliding piece 163; the sliding member 163 is slidably connected to the inner wall of the mounting cylinder;
the elastic support piece 164 is positioned in the mounting cylinder, and two ends of the elastic support piece 164 are respectively connected with one end of the sliding piece 163 away from the sliding rod 161 and the inner wall of the mounting cylinder;
further, the elastic support 164 is a second spring.
In an alternative embodiment, the shield 3 comprises a cover body and a flange plate 31; wherein, the first bottom plate 1 is provided with a plurality of groups of threaded blind holes;
the flange plate 31 is arranged on the cover body along the circumferential direction of the cover body, and a plurality of groups of threaded holes 32 are arranged on the flange plate 31; a fastening piece is arranged in each group of threaded holes 32; the multiple groups of fastening pieces are screwed into the multiple groups of threaded blind holes respectively; the end face of the flange plate 31 facing the first base plate 1 presses the first base plate 1; the protective cover 3 is convenient to disassemble and assemble through the arranged fastening piece.
In an alternative embodiment, the end face of the flange plate 31 pressed against the first base plate 1 is provided with a plurality of sets of mounting grooves 33;
filter cloth is arranged in each group of mounting grooves 33, a fifth through hole 35 used for communicating with the interior of the protective cover 3 is arranged on the inner wall of each group of mounting grooves 33, and a sixth through hole 34 is also arranged on the inner wall of each group of mounting grooves 33; the central axis of the sixth through hole 34 is parallel to the central axis of the fifth through hole 35;
furthermore, a sealing gasket is arranged on the end face of the protective cover 3, which is tightly pressed with the first bottom plate 1;
in avoiding earth etc. to get into protection casing 3 through the filter cloth that sets up, can discharge the ponding in the protection casing 3 through the sixth through-hole 34 and the fifth through-hole 35 that are equipped with, wherein, first bottom plate 1 is connected the terminal surface with protection casing 3 and is equipped with the sphere to avoid ponding in the protection casing 3.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. The electric engineering cable protection device is characterized by comprising a base, an inverted plate (5), a support rod (6), a fastener (7), a first spring, a mounting plate (10) and a clamping plate (14), wherein the base is preset underground;
the base comprises a first bottom plate (1), a plurality of groups of connecting rods (2) and a second bottom plate (4); the connecting rods (2) are distributed side by side, and two ends of the connecting rods are respectively connected with the first bottom plate (1) and the second bottom plate (4); the first bottom plate (1) is parallel to the second bottom plate (4); the second bottom plate (4) is positioned below the first bottom plate (1), and a plurality of groups of first through holes are uniformly formed in the second bottom plate (4); the first bottom plate (1) is provided with a protective cover (3); a plurality of groups of second through holes are arranged on the protective cover (3); a seal sleeve is arranged in each group of second through holes;
the inverted plate (5) is arranged on the first base plate (1) and is positioned in the protective cover (3), and a plurality of groups of second through holes are uniformly formed in the end face, facing the second base plate (4), of the inverted plate (5); the support rods are distributed side by side, one end of each support rod (6) is connected with the mounting plate (10), the other end of each support rod sequentially penetrates through the first through holes, the sealing sleeves and the third through holes, and the other ends of the support rods are respectively in threaded fit with the fasteners (7); wherein each group of sealing sleeves is in interference fit with each group of supporting rods (6);
the multiple groups of first springs (8) are respectively sleeved on the outer sides of the multiple groups of supporting rods (6), and two ends of the multiple groups of first springs (8) are respectively connected with the end face of the inverted plate (5) and the inner wall of the protective cover (3); wherein, the end surface of each group of fasteners (7) facing the inverted plate (5) presses the inverted plate (5);
the mounting plate (10) is vertical to the second bottom plate (4), and a plurality of groups of strip-shaped holes (12) are arranged on the mounting plate (10) side by side; each group of strip-shaped holes (12) is provided with an opening (9) on the end surface of the mounting plate (10) far away from the second bottom plate (4); a plurality of groups of mounting holes (13) are arranged on the mounting plate (10); each group of mounting holes (13) and each group of strip-shaped holes (12) are distributed in a staggered manner, and each group of mounting holes (13) are communicated with each group of strip-shaped holes (12);
the clamping plates (14) correspond to the mounting holes (13) one by one, the clamping plates (14) are located in the mounting holes, the end faces, facing the circle center of the mounting holes, of the clamping plates (14) are provided with curved surfaces, and each group of clamping plates (14) are rotatably provided with a plurality of groups of telescopic extrusion rods (16); each group of telescopic extrusion rods (16) is connected with the inner wall of the mounting hole (13).
2. An electrical engineering cable protection device according to claim 1, characterized in that the projections of each group of clamping plates (14) are fan-shaped rings.
3. An electrical engineering cable protection device according to claim 1, characterized by comprising a plurality of sets of guide plates (15); the multiple groups of guide plates (15) are respectively arranged on one side, close to the strip-shaped holes (12), of the multiple groups of clamping plates (14), each group of guide plates (15) corresponds to each group of clamping plates (14) one to one, and the projection of each group of guide plates (15) is fan-shaped.
4. An electrical engineering cable protection device according to claim 1, characterized in that the first base plate (1), the plurality of sets of connecting rods (2) and the second base plate (4) are of an integrated structure.
5. An electrical engineering cable protection device according to claim 4, characterized in that the first bottom plate (1), the plurality of groups of connecting rods (2) and the second bottom plate (4) are made of concrete.
6. An electrical engineering cable protection device according to claim 1, characterized in that the mounting plate (10) is provided with a support plate (11) at the end remote from the base.
7. An electrical engineering cable protection device according to claim 1, wherein each set of telescopic extrusion rods (16) comprises a mounting cylinder, a sliding rod (161), a sliding sleeve (162), a sliding piece (163) and an elastic support (164);
one end of the mounting cylinder is connected with the inner wall of the mounting hole (13), and the other end of the mounting cylinder is provided with a fourth through hole; the sliding sleeve (162) is arranged in the fourth through hole;
one end of the sliding rod (161) is rotatably connected with the clamping plate (14), the other end of the sliding rod (161) penetrates through the fourth through hole and extends into the mounting cylinder, and the other end of the sliding rod (161) is connected with the sliding piece (163); the sliding piece (163) is connected with the inner wall of the mounting cylinder in a sliding way;
the elastic supporting piece (164) is positioned in the mounting cylinder, and two ends of the elastic supporting piece (164) are respectively connected with one end of the sliding piece (163) far away from the sliding rod (161) and the inner wall of the mounting cylinder.
8. An electrical engineering cable protection device according to claim 1, characterized in that the protective cover (3) comprises a cover body and a flange plate (31); wherein, a plurality of groups of threaded blind holes are arranged on the first bottom plate (1);
the flange plate (31) is arranged on the cover body along the circumferential direction of the cover body, and a plurality of groups of threaded holes (32) are formed in the flange plate (31); a fastening piece is arranged in each group of threaded holes (32); the multiple groups of fastening pieces are screwed into the multiple groups of threaded blind holes respectively; the flange plate (31) presses the first base plate (1) against the end face of the first base plate (1).
9. An electrical engineering cable protection device according to claim 8, wherein a plurality of sets of mounting grooves (33) are formed on the end face of the flange plate (31) pressed against the first base plate (1);
filter cloth is arranged in each group of mounting grooves (33), a fifth through hole (35) used for being communicated with the interior of the protective cover (3) is arranged on the inner wall of each group of mounting grooves (33), and a sixth through hole (34) is also arranged on the inner wall of each group of mounting grooves (33); the central axis of the sixth through hole (34) is parallel to the central axis of the fifth through hole (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020645479.5U CN211720231U (en) | 2020-04-26 | 2020-04-26 | Electrical engineering cable protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020645479.5U CN211720231U (en) | 2020-04-26 | 2020-04-26 | Electrical engineering cable protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211720231U true CN211720231U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020645479.5U Expired - Fee Related CN211720231U (en) | 2020-04-26 | 2020-04-26 | Electrical engineering cable protection device |
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| Country | Link |
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| CN (1) | CN211720231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467664A (en) * | 2020-11-18 | 2021-03-09 | 济南城建集团有限公司 | Foundation pit cable protection device for stretching in foundation pit |
-
2020
- 2020-04-26 CN CN202020645479.5U patent/CN211720231U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467664A (en) * | 2020-11-18 | 2021-03-09 | 济南城建集团有限公司 | Foundation pit cable protection device for stretching in foundation pit |
| CN112467664B (en) * | 2020-11-18 | 2022-02-01 | 济南城建集团有限公司 | Foundation pit cable protection device for stretching in foundation pit |
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