CN113258510A - Cable positioning device for cable bridge - Google Patents
Cable positioning device for cable bridge Download PDFInfo
- Publication number
- CN113258510A CN113258510A CN202110598724.0A CN202110598724A CN113258510A CN 113258510 A CN113258510 A CN 113258510A CN 202110598724 A CN202110598724 A CN 202110598724A CN 113258510 A CN113258510 A CN 113258510A
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- Prior art keywords
- cable
- plate
- fixing
- fixed
- fixedly connected
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0487—Tubings, i.e. having a closed section with a non-circular cross-section
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of cable positioning devices, and discloses a cable positioning device for a cable bridge, which comprises a bridge main body, wherein a fixed port is formed in the top of the bridge main body, a moving groove is formed in the inner wall of one side of the fixed port, a moving block is connected in the moving groove in a sliding mode, one end of the moving block extends into the fixed port and is fixedly connected with an installation plate, two fixed blocks are fixedly connected to the bottom of the installation plate, and the bottom ends of the two fixed blocks extend into the bridge main body and are fixedly connected with the same clamping plate. The cable separation device is simple in structure and convenient to operate, the cable after being laid is positioned by downwards moving and fixing the clamping plate, the cable is prevented from tilting in the bridge main body, time and labor are saved, the working strength of workers is reduced, the cable is separated through the arrangement of the plurality of separation strips, the cable is prevented from being wound, the bridge main body is sealed through the arrangement of the sealing cover, the cable is prevented from being waterproofed, and the requirement for large-scale laying is met.
Description
Technical Field
The invention relates to the technical field of cable positioning devices, in particular to a cable positioning device for a cable bridge.
Background
When the factory carries out earlier stage construction and civil engineering, need erect a lot of cables, these cables need carry out long distance laying, have the part to lay below soil when laying these cables, some cables need erect aloft in addition, just so can make things convenient for laying of cable, need use the crane span structure when erectting high altitude cable, the crane span structure can be placed the cable on the crane span structure, can make things convenient for laying of cable like this.
The application numbers are: 201611080957.7 discloses a cable bridge for erecting cable, which comprises a cable groove and a column, wherein the column is connected with the lower end of the cable groove, the column is connected with the cable groove by welding, permeable holes are arranged in the cable groove, the permeable holes are arranged side by side, a water discharging groove is arranged beside the permeable holes, the water discharging groove is arranged at the inner side of the cable groove, the water discharging groove is a cavity rectangular groove, the permeable holes are arranged on the bridge, rainwater can be discharged from the bridge in time, the water discharging groove is arranged on the bridge, rainwater can be further discharged, the rainwater on the bridge is not easy to accumulate, reinforcing ribs are arranged at the lower end of the cable groove, the strength of the bridge can be increased, and the cable can be supported more stably,
above-mentioned patent is at the in-process that uses, and the cable needs artifical manual pressure cable when laying the crane span structure to in the perk of cable in the crane span structure, in case when laying on a large scale, the manual work of needs is just more, and this kind of mode is wasted time and energy, has brought very big working strength for the staff moreover, can not satisfy the needs of laying on a large scale.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a cable positioning device for a cable bridge, which has the advantages that the laid cable is positioned by downwards moving and fixing a clamping plate, the situation that the cable tilts in a bridge main body is prevented, time and labor are saved, the working strength of workers is reduced, the cable is separated by arranging a plurality of separating strips, the cable is prevented from being wound, the bridge main body is sealed by arranging a sealing cover, the cable is prevented from being waterproof, and the like.
(II) technical scheme
In order to realize the purposes that the laid cable is positioned by downwards moving and fixing the clamping plate, the cable is prevented from tilting in the bridge main body, time and labor are saved, the working strength of workers is reduced, the cable is separated by arranging a plurality of separating strips, the cable is prevented from being wound, the bridge main body is sealed by arranging a sealing cover, and the cable is prevented from being waterproofed, the invention provides the following technical scheme: a cable positioning device for a cable bridge comprises a bridge main body, wherein a fixed port is formed in the top of the bridge main body, a moving groove is formed in one side inner wall of the fixed port, a moving block is connected in the moving groove in a sliding manner, one end of the moving block extends into the fixed port and is fixedly connected with a mounting plate, two fixed blocks are fixedly connected to the bottom of the mounting plate, the bottom ends of the two fixed blocks extend into the bridge main body and are fixedly connected with a same clamping plate, a separation strip is fixedly connected to the bottom of the clamping plate, a limiting hole is formed in the moving block and is connected with a limiting rod in a sliding manner, the top end and the bottom end of the limiting rod are respectively fixedly connected with the top inner wall and the bottom inner wall of the corresponding moving groove, a sealing mechanism is hinged to the bridge main body and is matched with the fixed port in a sealing manner, a connecting mechanism is connected to one side of the bridge main body in a sliding manner, one end of the connecting mechanism extends into the fixed port and is fixedly connected with the mounting plate, the bridge main body is internally and slidably connected with a positioning mechanism, the positioning mechanism penetrates through the connecting mechanism and is slidably connected with the connecting mechanism, an elastic fixing mechanism is slidably connected onto the connecting mechanism, and the elastic fixing mechanism and the sealing mechanism are clamped.
Preferably, the sealing mechanism comprises a rotating wheel, a rotating seat and a sealing cover, the rotating wheel is rotatably connected with the side wall of the bridge main body, the rotating seat is fixedly connected with the side wall of the rotating wheel, the top end of the rotating seat is fixedly connected with the bottom of the sealing cover, and the sealing cover is in sealing fit with the fixing port.
Preferably, the connecting mechanism comprises a connecting plate, a connecting groove is formed in one side of the bridge frame main body and communicated with the fixed port, the connecting plate is connected with the connecting groove in a sliding mode, and one end of the connecting plate extends into the fixed port and is fixedly connected with one end, far away from the moving block, of the fixed plate.
Preferably, the positioning mechanism comprises a positioning plate and a first sliding block, the connecting plate is provided with a positioning hole, the positioning plate is in sliding connection with the positioning hole, the top end and the bottom end of the positioning plate are respectively fixedly connected with the top inner wall and the bottom inner wall of the corresponding connecting groove, one side of the positioning plate is provided with a first sliding groove, the first sliding block is in sliding connection with the first sliding groove, and one end of the first sliding block extends into the positioning hole and is fixedly connected with the inner wall of one side of the positioning hole.
Preferably, the elastic fixing mechanism comprises a fixing plate, a connecting rod, a reset spring, a fixing clamping rod and two second sliding blocks, wherein one end of the connecting plate, which is far away from the fixing plate, is provided with a fixing groove, the fixing plate is connected with the fixing groove in a sliding manner, one end of the fixing plate extends to the outer side of the connecting plate and is fixedly connected with one side, which is close to the bridge main body, of the connecting rod, the reset spring is sleeved on the outer side of the fixing plate in a sliding manner, one end of the reset spring is fixedly connected with the connecting plate, the other end of the reset spring is fixedly connected with one side, which is close to the bridge main body, of the connecting rod, one end of the fixing clamping rod is fixedly connected with one side, which is close to the bridge main body, of the connecting rod, one side of the sealing cover is provided with a fixing clamping groove, the other end of the fixing clamping rod is clamped with the fixing clamping groove, the top inner wall and the bottom inner wall of the fixing groove are both provided with second sliding grooves, and the two second sliding blocks are respectively connected with the corresponding fixing grooves in a sliding manner, one end that two second sliders are close to each other all extends to in the fixed slot and with fixed plate fixed connection.
Preferably, the number of the division bars is multiple, and the division bars are vertically distributed at equal intervals at the bottom of the clamping plate.
Preferably, the number of the fixed clamping grooves is multiple, and the fixed clamping grooves are distributed on the sealing cover in the vertical direction at equal intervals.
(III) advantageous effects
Compared with the prior art, the invention provides a cable positioning device for a cable bridge, which has the following beneficial effects:
1. according to the cable positioning device for the cable bridge, the laid cable is positioned through the arrangement of the bridge main body, the fixing port, the moving groove, the moving block, the mounting plate, the fixing block, the clamping plate, the separating strips, the limiting holes and the limiting rods, the situation that the cable is tilted in the bridge main body is prevented, time and labor are saved, the working strength of workers is reduced, the cable is separated through the arrangement of the plurality of separating strips, and the cable is prevented from being wound;
2. according to the cable positioning device for the cable bridge, the bridge main body is sealed through the arrangement of the rotating wheel, the rotating seat, the sealing cover, the connecting groove, the connecting plate, the positioning hole, the positioning plate, the first sliding groove, the first sliding block, the fixing groove, the fixing plate, the connecting rod, the reset spring, the fixing clamping rod, the fixing clamping groove, the second sliding groove and the second sliding block, a cable is prevented from being waterproofed, and the requirement of large-scale laying is met;
the cable separation device is simple in structure and convenient to operate, the cable after being laid is positioned by downwards moving and fixing the clamping plate, the cable is prevented from tilting in the bridge main body, time and labor are saved, the working strength of workers is reduced, the cable is separated through the arrangement of the plurality of separation strips, the cable is prevented from being wound, the bridge main body is sealed through the arrangement of the sealing cover, the cable is prevented from being waterproofed, and the requirement for large-scale laying is met.
Drawings
Fig. 1 is a schematic front view of a cable positioning device for a cable tray according to the present invention;
FIG. 2 is a schematic view of a cable positioning device for a cable tray according to the present invention;
FIG. 3 is a schematic view of a portion A of a cable positioning device for a cable tray according to the present invention;
fig. 4 is a schematic structural diagram of a part B of the cable positioning device for a cable tray according to the present invention.
In the figure: the bridge frame comprises a bridge frame main body 1, a fixing port 2, a moving groove 3, a moving block 4, a mounting plate 5, a fixing block 6, a clamping plate 7, a separating strip 8, a limiting hole 9, a limiting rod 10, a rotating wheel 11, a rotating seat 12, a sealing cover 13, a connecting groove 14, a connecting plate 15, a positioning hole 16, a positioning plate 17, a first sliding groove 18, a first sliding block 19, a fixing groove 20, a fixing plate 21, a connecting rod 22, a return spring 23, a fixing clamping rod 24, a fixing clamping groove 25, a second sliding groove 26 and a second sliding block 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a cable positioning device for a cable bridge comprises a bridge body 1, a fixed port 2 is formed at the top of the bridge body 1, a moving groove 3 is formed on one side inner wall of the fixed port 2, a moving block 4 is slidably connected in the moving groove 3, one end of the moving block 4 extends into the fixed port 2 and is fixedly connected with a mounting plate 5, two fixed blocks 6 are fixedly connected with the bottom of the mounting plate 5, the bottom ends of the two fixed blocks 6 both extend into the bridge body 1 and are fixedly connected with a same clamping plate 7, the bottom of the clamping plate 7 is fixedly connected with a separating strip 8, a limiting hole 9 is formed in the moving block 4, a limiting rod 10 is slidably connected with the limiting hole 9, the top end and the bottom end of the limiting rod 10 are respectively fixedly connected with the top inner wall and the bottom inner wall of the corresponding moving groove 3, a sealing mechanism is hinged on the bridge body 1 and is in sealing fit with the fixed port 2, one side sliding connection of crane span structure main part 1 has coupling mechanism, coupling mechanism's one end extend to in fixed mouthful 2 and with mounting panel 5 fixed connection, sliding connection has positioning mechanism in crane span structure main part 1, and positioning mechanism runs through coupling mechanism and with coupling mechanism sliding connection, sliding connection has elastic fixing mechanism on the coupling mechanism, and elastic fixing mechanism clamps mutually with sealing mechanism.
According to the invention, the sealing mechanism comprises a rotating wheel 11, a rotating seat 12 and a sealing cover 13, wherein the rotating wheel 11 is rotatably connected with the side wall of the bridge frame main body 1, the rotating seat 12 is fixedly connected with the side wall of the rotating wheel 11, the top end of the rotating seat 12 is fixedly connected with the bottom of the sealing cover 13, and the sealing cover 13 is in sealing fit with the fixing port 2.
In the invention, the connecting mechanism comprises a connecting plate 15, one side of the bridge frame main body 1 is provided with a connecting groove 14, the connecting groove 14 is communicated with the fixed port 2, the connecting plate 15 is connected with the connecting groove 14 in a sliding manner, and one end of the connecting plate 15 extends into the fixed port 2 and is fixedly connected with one end of the fixed plate 5 far away from the moving block 4.
In the invention, the positioning mechanism comprises a positioning plate 17 and a first sliding block 19, the connecting plate 15 is provided with a positioning hole 16, the positioning plate 17 is connected with the positioning hole 16 in a sliding manner, the top end and the bottom end of the positioning plate 17 are respectively fixedly connected with the top inner wall and the bottom inner wall of the corresponding connecting groove 14, one side of the positioning plate 17 is provided with a first sliding groove 18, the first sliding block 19 is connected with the first sliding groove 18 in a sliding manner, and one end of the first sliding block 19 extends into the positioning hole 16 and is fixedly connected with the inner wall of one side of the positioning hole 16.
In the invention, the elastic fixing mechanism comprises a fixing plate 21, a connecting rod 22, a return spring 23, a fixing clamping rod 24 and two second sliding blocks 27, wherein one end of the connecting plate 15, which is far away from the fixing plate 5, is provided with a fixing groove 20, the fixing plate 21 is connected with the fixing groove 20 in a sliding manner, one end of the fixing plate 21 extends to the outer side of the connecting plate 15 and is fixedly connected with one side of the connecting rod 22, which is close to the bridge main body 1, the return spring 23 is sleeved on the outer side of the fixing plate 21 in a sliding manner, one end of the return spring 23 is fixedly connected with the connecting plate 15, the other end of the return spring 23 is fixedly connected with one side of the connecting rod 22, which is close to the bridge main body 1, one end of the fixing clamping rod 24 is fixedly connected with one side of the connecting rod 22, which is close to the bridge main body 1, one side of the sealing cover 13 is provided with a fixing clamping groove 25, the other end of the fixing clamping rod 24 is clamped with the fixing clamping groove 25, and the top inner wall and the bottom inner wall of the fixing groove 20 are provided with the second sliding grooves 26, and the two second sliding blocks 27 are respectively connected with the corresponding fixing grooves 20 in a sliding manner, and the ends of the two second sliding blocks 27 close to each other extend into the fixing grooves 20 and are fixedly connected with the fixing plate 21.
In the invention, the number of the division bars 8 is multiple, and the division bars 8 are distributed at the bottom of the clamping plate 7 at equal intervals in the vertical direction.
In the present invention, the number of the fixing slots 25 is plural, and the plural fixing slots 25 are vertically distributed on the sealing cover 13 at equal intervals.
In summary, in the cable positioning device for a cable tray, when in use, the connecting rod 22 is pulled, the connecting rod 22 drives the fixing plate 21 to slide in the fixing groove 20, the two second sliding blocks 27 limit the fixing plate 21, the fixing plate 21 limits the connecting rod 22, meanwhile, the connecting rod 22 stretches the return spring 23, energy is absorbed by the return spring 23, meanwhile, the connecting rod 22 drives the fixing clamping rod 24 to move, the fixing clamping rod 24 moves out of the fixing clamping groove 25, the fixing of the sealing cover 13 and the clamping plate 7 is released, then the sealing cover 13 is opened, a cable is laid on the inner wall of the bottom of the tray main body 1, after the cable is laid, the connecting rod 22 is pulled downwards, the connecting rod 22 drives the connecting plate 15 to move, the positioning plate 17 limits the connecting plate 15, the first sliding block 19 limits the positioning plate 17, and simultaneously, the connecting plate 15 drives the mounting plate 5 to, the mounting plate 5 drives the moving block 4 to slide in the moving groove 3, the moving block 4 limits the mounting plate 5, meanwhile, the mounting plate 5 drives the two fixing blocks 6 to move, the fixing blocks 6 drive the clamping plate 7 to move downwards, the clamping plate 7 positions the cable, the cable is separated through the plurality of separating strips 8, after the separation is positioned, the sealing cover 13 is closed, the connecting rod 22 is loosened, the fixing clamping rod 24 is clamped into the fixing clamping groove 25 under the spring resilience acting force of the reset spring 23, the cable is fixed and the sealing cover 13 is fixed, so that the laid cable is positioned through the downward movement and the fixing of the clamping plate 7, the situation that the cable is tilted in the bridge frame main body 1 is prevented, time and labor are saved, the working strength of workers is reduced, the cable is separated through the arrangement of the plurality of separating strips 8, and the cable winding is avoided, the bridge main body 1 is sealed through the arrangement of the sealing cover 13, the cable is prevented from being water, and the requirement of large-scale laying is met.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A cable positioning device for a cable bridge comprises a bridge main body (1) and is characterized in that a fixed opening (2) is formed in the top of the bridge main body (1), a moving groove (3) is formed in the inner wall of one side of the fixed opening (2), a moving block (4) is connected in the moving groove (3) in a sliding mode, one end of the moving block (4) extends into the fixed opening (2) and is fixedly connected with a mounting plate (5), two fixing blocks (6) are fixedly connected to the bottom of the mounting plate (5), the bottom ends of the two fixing blocks (6) both extend into the bridge main body (1) and are fixedly connected with the same clamping plate (7), a separating strip (8) is fixedly connected to the bottom of the clamping plate (7), a limiting hole (9) is formed in the moving block (4), the limiting rod (10) is connected with the limiting hole (9) in a sliding mode, and the top end and the bottom end of the limiting rod (10) are fixedly connected with the inner wall and the inner wall of the top and the bottom of the corresponding moving groove (3) respectively, articulated on crane span structure main part (1) have sealing mechanism, and sealing mechanism and fixed mouthful (2) sealed cooperation, one side sliding connection of crane span structure main part (1) has coupling mechanism, coupling mechanism's one end extend to in fixed mouthful (2) and with mounting panel (5) fixed connection, sliding connection has positioning mechanism in crane span structure main part (1), and positioning mechanism run through coupling mechanism and with coupling mechanism sliding connection, sliding connection has elastic fixing mechanism on the coupling mechanism, and elastic fixing mechanism clamps mutually with sealing mechanism.
2. The cable positioning device of claim 1, wherein: sealing mechanism is including rotating wheel (11), rotating seat (12) and sealed lid (13), it is connected with the lateral wall rotation of crane span structure main part (1) to rotate wheel (11), rotates seat (12) and the lateral wall fixed connection who rotates wheel (11), rotates the top of seat (12) and the bottom fixed connection of sealed lid (13), and sealed lid (13) and fixed mouthful (2) sealed cooperation.
3. The cable positioning device of claim 1, wherein: the connecting mechanism comprises a connecting plate (15), a connecting groove (14) is formed in one side of the bridge frame main body (1), the connecting groove (14) is communicated with the fixed opening (2), the connecting plate (15) is connected with the connecting groove (14) in a sliding mode, and one end of the connecting plate (15) extends into the fixed opening (2) and is fixedly connected with one end, far away from the moving block (4), of the fixed plate (5).
4. The cable positioning device of claim 1, wherein: positioning mechanism includes locating plate (17) and first slider (19), locating hole (16) have been seted up on connecting plate (15), and locating plate (17) and locating hole (16) sliding connection, the top and the bottom of locating plate (17) respectively with the top inner wall and the bottom inner wall fixed connection of corresponding spread groove (14), first spout (18) have been seted up to one side of locating plate (17), and first slider (19) and first spout (18) sliding connection, the one end of first slider (19) extend to in locating hole (16) and with one side inner wall fixed connection of locating hole (16).
5. The cable positioning device of claim 1, wherein: the elastic fixing mechanism comprises a fixing plate (21), a connecting rod (22), a reset spring (23), a fixing clamping rod (24) and two second sliding blocks (27), one end of the connecting plate (15), which is far away from the fixing plate (5), is provided with a fixing groove (20), the fixing plate (21) is in sliding connection with the fixing groove (20), one end of the fixing plate (21) extends to the outer side of the connecting plate (15) and is fixedly connected with one side, which is close to the bridge main body (1), of the connecting rod (22), the reset spring (23) is sleeved on the outer side of the fixing plate (21) in a sliding manner, one end of the reset spring (23) is fixedly connected with the connecting plate (15), the other end of the reset spring (23) is fixedly connected with one side, which is close to the bridge main body (1), of the fixing clamping rod (24) is fixedly connected with one side, which is close, fixing groove (25) have been seted up to one side of sealed lid (13), and the other end of fixing clip pole (24) clamps mutually with fixing groove (25), has all seted up second spout (26) on the top inner wall of fixed slot (20) and the bottom inner wall, and two second slider (27) respectively with corresponding fixed slot (20) sliding connection, the one end that two second slider (27) are close to each other all extend to in fixed slot (20) and with fixed plate (21) fixed connection.
6. The cable positioning device of claim 1, wherein: the number of the division bars (8) is multiple, and the division bars (8) are distributed at the bottom of the clamping plate (7) at equal intervals in the vertical direction.
7. The cable positioning device of claim 5, wherein: the number of the fixed clamping grooves (25) is multiple, and the fixed clamping grooves (25) are distributed on the sealing cover (13) in the vertical direction at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110598724.0A CN113258510A (en) | 2021-05-31 | 2021-05-31 | Cable positioning device for cable bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110598724.0A CN113258510A (en) | 2021-05-31 | 2021-05-31 | Cable positioning device for cable bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113258510A true CN113258510A (en) | 2021-08-13 |
Family
ID=77183711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110598724.0A Withdrawn CN113258510A (en) | 2021-05-31 | 2021-05-31 | Cable positioning device for cable bridge |
Country Status (1)
| Country | Link |
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| CN (1) | CN113258510A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117200102A (en) * | 2023-11-07 | 2023-12-08 | 国网山东省电力公司沂源县供电公司 | Cable laying bridge |
-
2021
- 2021-05-31 CN CN202110598724.0A patent/CN113258510A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117200102A (en) * | 2023-11-07 | 2023-12-08 | 国网山东省电力公司沂源县供电公司 | Cable laying bridge |
| CN117200102B (en) * | 2023-11-07 | 2024-02-23 | 国网山东省电力公司沂源县供电公司 | Cable laying bridge |
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Application publication date: 20210813 |