CN117424131A - Power transmission line crossing platform with foldable structure - Google Patents
Power transmission line crossing platform with foldable structure Download PDFInfo
- Publication number
- CN117424131A CN117424131A CN202311564395.3A CN202311564395A CN117424131A CN 117424131 A CN117424131 A CN 117424131A CN 202311564395 A CN202311564395 A CN 202311564395A CN 117424131 A CN117424131 A CN 117424131A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 230000008093 supporting effect Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000013011 mating Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 17
- 230000009471 action Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to a transmission line crossing platform with a foldable structure, which comprises a fixed platform, wherein two side ends of the fixed platform are hinged with symmetrically arranged short side platforms, long side platforms capable of being turned over and overlapped on the short side platforms are arranged on the long side sides of the short side platforms, the two long side platforms are positioned on the same side, a vertical frame is arranged on the lower side of the fixed platform, a telescopic supporting mechanism for driving the short side platforms to fold is arranged on the vertical frame, and inclined strut devices capable of being folded are arranged at one ends of the short side platforms and the long side platforms. The transmission line crossing platform not only can ensure the high efficiency and the safety of the transmission line construction, but also reduces the transportation space of the crossing frame, and is convenient for transporting the crossing platform to the site.
Description
Technical Field
The invention relates to a transmission line crossing platform with a foldable structure.
Background
Under the background of high reliability of power grid operation, the window period of construction power failure is increasingly shortened, the construction unit is to finish construction of crossing live lines, a great amount of manpower, financial resources and material resources are required to be input, and the method of crossing construction under the traditional power failure condition is relied on, so that the field requirements can not be met gradually. The traditional spanning frame such as steel pipe not only has the own weight, but also needs long time and low construction efficiency when assembled and disassembled. Because the high reliability of the operation of the power grid still needs to be ensured in the construction of the power-uninterrupted crossing, on one hand, the engineering scheme needs to be designed strictly according to the construction safety specification and the safety demonstration needs to be carried out; on the other hand, potential safety hazards need to be analyzed according to the actual environment of the site.
The crossing construction comprises the steps of realizing crossing construction, sealing and dismantling a net, dismantling a crossing frame, spreading a new construction engineering ground wire by crossing lines and the like, and sometimes, construction operation is carried out under the condition of power failure. The existing various spanning frames are long in assembly and disassembly time, large in occupied area and suitable for spanning low-voltage-level distribution network lines, and the requirements of spanning facilities such as highways and railways are difficult to solve.
Disclosure of Invention
The invention aims to provide a transmission line crossing platform with a foldable structure, which not only can ensure the high efficiency and the safety of transmission line construction, but also reduces the transportation space of a crossing frame, thereby being convenient for transporting the crossing platform to the site.
The technical scheme of the invention is as follows: the utility model provides a but beta structure's transmission line strides across platform, includes fixed platform, fixed platform's both sides end articulates there is the minor face platform that the symmetry set up, the long limit side of minor face platform all is provided with the long limit platform that can overturn coincide on the minor face platform, and two long limit platforms are located same one side, the grudging post is installed to fixed platform's downside, be provided with the flexible supporting mechanism that the realization of drive minor face platform was folded up on the grudging post, the one end of minor face platform and long limit platform all is provided with the diagonal bracing device that can fold.
Further, the fixed platform comprises an upper platform and a lower base, wherein the bottom surface of one end of the upper platform is connected with the top surface of the lower base, and rotating shaft connecting pieces which are hinged with the short-side platform are respectively arranged on two side edges of the upper platform.
Further, the long side top of the short side platform is rotationally connected with a folding shaft, the folding shaft is driven to rotate by a motor I, and the long side top of the long side platform is fixed with a fixed connecting piece fixedly connected with the folding shaft.
Further, the short side of the short side platform hinged with the fixed platform is fixedly provided with an outwards extending supporting plate, the motor I is arranged on the supporting plate, and the fixed platform is provided with a notch for placing the supporting plate.
Further, long roller bearings are arranged at the tops of long sides, opposite to the folding shafts, of the short side platform and the long side platform, short roller bearings are arranged at the tops of short sides, far away from the fixed platform, of the short side platform and the long side platform, protruding platforms are arranged at the end points, located at the intersections of the long roller shafts and the short roller shafts, of the short side platform and the long side platform, and inclined strut devices are arranged on the outer sides of the protruding platforms.
Further, the corresponding short side sides of the two long side platforms are provided with matched electromagnetic chucks.
Further, the telescopic supporting mechanism comprises a moving block arranged in the vertical frame, the moving block is driven to lift by a screw mechanism vertically arranged in the vertical frame, two sides of the moving block are respectively hinged with two hydraulic rods, the two hydraulic rods are connected through a fixing piece to form an included angle, and the top of the hydraulic rod positioned on the lower side of the short-side platform is hinged with the short-side flat.
Further, the downside of long limit platform is provided with the connector that is used for the top of hydraulic stem to stretch into, and the top of the hydraulic stem that is located long limit platform downside is connected with the connector through electromagnetic suction.
Further, the upper end of the stand is hinged with the fixed platform, the screw rod mechanism comprises a screw rod vertically arranged in the stand, a motor II for driving the screw rod is arranged below the stand, and the moving block is in threaded connection with the screw rod and is in sliding fit with the stand.
Further, the diagonal bracing device comprises a fixing seat, a pinion which is driven by a third motor to rotate is arranged on the fixing seat, a diagonal bracing rod is connected to the fixing seat in a rotating mode, and a large gear meshed with the pinion is fixed on a rotating shaft of the diagonal bracing rod.
Compared with the prior art, the invention has the following advantages:
the transmission line crossing platform not only can ensure the high efficiency and the safety of the transmission line construction, but also reduces the transportation space of the crossing frame, and is convenient for transporting the crossing platform to the site. Meanwhile, the construction quantity of crossing construction is greatly reduced, and the construction efficiency and the mechanization rate are improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a stationary platform according to the present invention;
FIG. 3 is a schematic view of a short-side platform of the present invention;
FIG. 4 is a schematic view of a long side platform of the present invention;
FIG. 5 is a schematic view of a hydraulic lever of the present invention;
FIG. 6 is a schematic view of a column according to the present invention;
FIG. 7 is a schematic view of a diagonal brace of the present invention;
FIG. 8 is a schematic view of the diagonal strut contraction of the present invention;
FIG. 9 is a schematic view of a single fold of the present invention;
FIG. 10 is a schematic view of a secondary fold of the present invention;
in the figure: 1-a fixed platform; 11-an upper platform; 12-a spindle connection; 13-slots; 14-a lower base; 15-shaft holes; 2-a first short side platform; 21-long rollers; 22-a first base; 23-short rollers; 24-second base; 25-a spindle connection; 26-folding shaft; 27-motor number one; 28-supporting sheets; 29-a spindle connection; 210-a raised platform; 3-a second short side platform; 4-a first long-side platform; 41-a fixed connection; 42-projecting platforms; 43-connection port; 44-electromagnetic chuck; 5-a second long-side platform; 6-a hydraulic rod; 61-fixing piece; 62-top mount; 63-a bottom support; 7-standing; 71-a rotating shaft; 72-screw rod; 73-a connector; 8-moving blocks; 9-a diagonal bracing device; 91-diagonal braces; 92-large gear; 93-pinion; 94-a supporting seat; 95-base; 96-motor No. three.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Referring to fig. 1 to 10
The utility model provides a but beta structure's transmission line strides across platform, includes fixed platform 1, fixed platform's one side articulates there is a minor face platform 2, and fixed platform's opposite side symmetry articulates there is No. two minor face platform 3, is located a minor face platform and No. two minor face platform's long limit sides and corresponds and be provided with a long limit platform 4 and No. two long limit platforms 5 that can overturn the coincide in a minor face platform and No. two minor face platforms, a minor face platform and No. two minor face platforms are located same one side, and a long limit platform and No. two long limit platforms respectively with a minor face platform, no. two minor face platform symmetry installations. The fixed platform's downside is installed the grudging post 7, be provided with the flexible supporting mechanism that the realization of drive minor face platform was folded up on the grudging post, no. one long limit platform, no. two long limit platforms, no. one minor face platform, no. two minor face platform's one end all is provided with the bracing device 9 that can fold.
In this embodiment, the fixing platform includes an upper platform 11 and a lower base 14, where a bottom surface of one end of the upper platform is connected to a top surface of the lower base, and a wide side surface of one end of the upper platform is aligned with a central axis of the lower base, and three rotating shaft connectors 12 for hinging with corresponding short side platforms are respectively mounted on two sides of the upper platform. The front surface of the lower base is provided with a through shaft hole 15.
In this embodiment, the long side tops of the first and second short side platforms are rotatably connected with a folding shaft 26 through three connecting pieces 25 in a coaxial manner, the folding shaft is driven to rotate by a first motor 27, and the long side tops of the first and second long side platforms are fixed with a fixed connecting piece 41 fixedly connected with the folding shaft.
In this embodiment, the short side platform No. one and the short side platform No. two are used for all being fixed with the outwards extending backing sheet 28 with fixed platform looks articulated short side, motor installation is on the backing sheet No. one, fixed platform's short side both sides upper end all is provided with the notch 13 that is used for the backing sheet to put into.
In this embodiment, the long rollers 21 are mounted on the first short side platform, the second short side platform, the first long side platform, and the long side tops of the second long side platform opposite to the folding shaft through the first base, the short rollers 23 are mounted on the first short side platform, the second short side platform, the first long side platform, and the second long side platform on the short side tops of the second long side platform far from the fixed platform through the second base 24, the end points of the first short side platform, the second short side platform, the first long side platform and the second long side platform, which are positioned at the intersections of the long roll shafts and the short roll shafts, are respectively provided with a protruding platform 210, and the diagonal bracing device is arranged on the outer side of the protruding platform. The first fold provides for the alignment of the two raised platforms 210, 42 to prevent other cross platform components from crashing. And the sliding friction of the lead when transported on the platform can be changed into rolling friction through the short roller and the long roller, so that the abrasion degree of the surface of the lead is reduced.
In this embodiment, the corresponding short side surfaces of the first long side platform and the second long side platform are both provided with matched electromagnetic chucks 44. When the crossing platform is completely unfolded, the first long-side platform and the second long-side platform are kept relatively fixed in the horizontal direction through the electromagnetic chuck by starting the electromagnetic chuck, so that the unfolded crossing platform is ensured not to deviate.
In this embodiment, the telescopic supporting mechanism includes a moving block 8 installed in the stand, the moving block is driven to lift by a screw mechanism vertically installed in the stand, two sides of the moving block are respectively hinged with two hydraulic rods 6 through a bottom support 63, and the two hydraulic rods located on the same side are connected through a fixing piece 61 to form an included angle, so that the hydraulic rods can mutually drive to rotate, so that when the folding mechanism is folded, the hydraulic rods can not fall downwards due to losing the magnetic connection with the long-side platform, and the two adjacent hydraulic rods can be kept relatively still. The top support 62 of the hydraulic lever located at the lower sides of the first and second short side platforms is hinged to the short side plane.
In this embodiment, the downside of a long limit platform and No. two long limit platforms is provided with the connector 43 that is used for the top of hydraulic stem to stretch into, also installs electromagnetic chuck in the connector of a long limit platform and No. two long limit platform bottoms, and the top support that is located the hydraulic stem of a long limit platform and No. two long limit platform downside is connected with the connector through electromagnetic suction, and the minor face platform is separated with the hydraulic stem when conveniently folding up. After the crossing platform is completely unfolded, the first long-side platform and the second long-side platform can be connected with the hydraulic rod through starting the electromagnetic chuck, so that the first long-side platform and the second long-side platform are kept relatively static in the vertical direction.
In this embodiment, the top of the stand is provided with a shaft hole and is provided with a rotating shaft 71, the stand is hinged with the shaft hole 15 on the base at the lower part of the fixed platform through the rotating shaft, and the crossing platform can incline to a certain extent through the expansion and contraction of the hydraulic rod 6.
In this embodiment, the screw mechanism includes a screw 72 vertically disposed in the stand, a motor No. two for driving the screw is installed below the stand, the motor No. two is installed in a connecting piece 73 below the stand, and the moving block is screwed with the screw and slidingly engaged with the stand, and the screw is driven by the motor No. two to rotate so as to move up and down.
In this embodiment, the diagonal bracing device includes a fixing base 95, the fixing base is fixedly connected with a crossing platform, a pinion 93 driven to rotate by a motor No. three 96 is arranged on the fixing base, a diagonal bracing 91 is rotatably connected on the fixing base, and a large gear 92 meshed with the pinion is fixed on a rotating shaft of the diagonal bracing. And the third motor drives the diagonal brace to rotate to complete folding. The fixed seat is provided with a supporting seat 94 for supporting and limiting the diagonal brace 91. When the platform works, the inclined stay bars can prevent the lead from sliding down when moving on the platform; the inclined stay bar rotates through the gear transmission structure, and torque is improved in the gear structure in a mode that the small gear component connected with the motor drives the large gear component, so that the motor with smaller torque can drive the inclined stay bar with the length of two meters.
In this embodiment, the lower part of the stand and the truss or similar supporting component adopt fixed connection, so that the load of the supporting component to the platform stand is more favorably transferred, and the stability of the structure can be better ensured.
Working principle: the first short-side platform and the second short-side platform can rotate around the rotating shaft on the rotating shaft connecting piece under the telescopic action of the hydraulic rod; the first long-side platform and the second long-side platform are respectively connected through a rotating shaft, and the first long-side platform and the second long-side platform can be folded to the upper parts of the first short-side platform and the second short-side platform by driving the folding shaft to rotate through a first motor; the fixed platform can incline to a certain extent under the telescopic action of the hydraulic rod; the second motor drives the screw rod to rotate, so that the moving block can move up and down, and then the hydraulic rod is driven to move, and when the hydraulic rod stretches, the moving block moves downwards, so that the hydraulic rod can obtain good stress conditions.
When the platform is unfolded, the first short side platform and the second short side platform are lifted to the horizontal position through the hydraulic rod, and the first long side platform and the second long side platform are completely unfolded through the first motor, so that the crossing platform is formed.
When the crossing platform is completely unfolded, the first short side platform 2, the second short side platform 3 and the fixed platform 1 are kept on the same horizontal plane through the supporting effect of the hydraulic rod 6, the first long side platform 4 and the second long side platform 5 are kept on the same horizontal plane through the supporting effect of the hydraulic rod 6, meanwhile, the connecting ports at the bottoms of the two long side platforms are kept connected with the hydraulic rod 6 through electromagnetic suction, the first long side platform 4 and the second long side platform 5 are kept relatively fixed through the effect of the electromagnetic chuck 44, and the diagonal brace 91 is located at a position of 135 degrees with the horizontal plane of the crossing platform after being unfolded.
When the crossing platform starts to fold, firstly, the retraction action of the diagonal brace 91 is carried out, the motor drives the pinion 93 to rotate, then drives the large gear 92 to rotate, and then the large gear 92 drives the diagonal brace 91 to rotate; then, the electromagnetic chuck 44 and other electromagnetic mechanisms are powered off, so that the constraint action of electromagnetic force between the two long-side platforms is eliminated, and the next folding operation can be performed.
After the retraction of the diagonal brace 91 is completed, taking the first short-side platform 2 as an example, the folding shaft 26 is fixedly connected with the fixed connecting piece 41, and the first motor 27 drives the folding shaft 26 to rotate, so that the first long-side platform 4 can turn over 180 degrees by taking the folding shaft 26 as a rotating shaft; when the overturning is completed, the two protruding platforms (210, 42) are flush with each other, so that collision of components on the platforms can be prevented.
After the first folding operation is completed, the second folding operation is started, the relevant valve of the hydraulic rod 6 is operated to shrink the hydraulic rod 6, so that the first short-side platform 2 and the second short-side platform 3 are driven to rotate downwards, meanwhile, the screw rod 72 in the upright post 7 drives the moving block 8 to move upwards, and the bottom support 63 of the hydraulic rod moves upwards along with the upward movement, so that the spanning platform can shrink to the minimum as much as possible.
The foregoing is merely illustrative of the principles and spirit of the invention, and it will be apparent to those skilled in the art from this disclosure that a foldable power transmission line crossing platform of various forms can be devised without the need for inventive faculty, without departing from the spirit and scope of the invention, and it is intended to cover all such equivalent changes, modifications, substitutions and alterations herein as fall within the scope of the appended claims.
Claims (10)
1. The utility model provides a but beta structure's transmission line strides across platform, includes fixed platform, its characterized in that, fixed platform's both sides end articulates there is the minor face platform that the symmetry set up, the long limit side of minor face platform all is provided with the long limit platform that can overturn the coincide on the minor face platform, and two long limit platforms are located same one side, the grudging post is installed to fixed platform's downside, be provided with the flexible supporting mechanism that the realization of drive minor face platform was folded up on the grudging post, the one end of minor face platform and long limit platform all is provided with the bracing device that can fold.
2. The transmission line crossing platform with a foldable structure according to claim 1, wherein the fixed platform comprises an upper platform and a lower base, wherein a bottom surface of one end of the upper platform is connected with a top surface of the lower base, and two side edges of the upper platform are respectively provided with a rotating shaft connecting piece for being hinged with the short side platform.
3. The transmission line crossing platform with a foldable structure according to claim 1 or 2, wherein a folding shaft is rotatably connected to the top of the long side of the short side platform, the folding shaft is driven to rotate by a motor No. 1, and a fixed connecting piece fixedly connected with the folding shaft is fixed to the top of the long side platform.
4. The transmission line crossing platform with the foldable structure according to claim 3, wherein the short side sides of the short side platform hinged with the fixed platform are respectively fixed with an outwards extending supporting sheet, the first motor is installed on the supporting sheet, and the fixed platform is provided with a notch for placing the supporting sheet.
5. A transmission line crossing platform with a foldable structure according to claim 3, wherein long rollers are mounted on long side tops of the short side platform and the long side platform opposite to the folding shaft, short rollers are mounted on short side tops of the short side platform and the long side platform far away from the fixed platform, protruding platforms are arranged on the short side platform and the long side platform at end points where the long roller shafts and the short roller shafts cross, and the diagonal bracing device is mounted on the outer side of the protruding platforms.
6. A foldable structure transmission line crossing platform according to claim 1, 2, 4 or 5, wherein the corresponding short side faces of the two long side platforms are provided with mating electromagnetic chucks.
7. The transmission line crossing platform with a foldable structure according to claim 1, 2, 4 or 5, wherein the telescopic supporting mechanism comprises a moving block installed in the vertical frame, the moving block is driven to lift by a screw mechanism vertically installed in the vertical frame, two hydraulic rods are hinged to two sides of the moving block respectively, an included angle is formed between the two hydraulic rods by connecting the two hydraulic rods through a fixing piece, and the top of the hydraulic rod located on the lower side of the short-side platform is hinged to the short-side flat.
8. The transmission line crossing platform with the foldable structure according to claim 7, wherein a connecting port for extending the top of the hydraulic rod is arranged on the lower side of the long-side platform, and the top of the hydraulic rod positioned on the lower side of the long-side platform is connected with the connecting port through electromagnetic attraction.
9. The transmission line crossing platform with a foldable structure according to claim 7, wherein the upper end of the stand is hinged to the fixed platform, the screw rod mechanism comprises a screw rod vertically arranged in the stand, a motor No. two for driving the screw rod is arranged below the stand, and the moving block is in threaded connection with the screw rod and is in sliding fit with the stand.
10. The transmission line crossing platform with a foldable structure according to claim 1, 2, 4, 5, 8 or 9, wherein the diagonal bracing device comprises a fixing seat, a pinion driven by a third motor to rotate is arranged on the fixing seat, a diagonal bracing rod is rotatably connected to the fixing seat, and a large gear meshed with the pinion is fixed on a rotating shaft of the diagonal bracing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311564395.3A CN117424131A (en) | 2023-11-22 | 2023-11-22 | Power transmission line crossing platform with foldable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311564395.3A CN117424131A (en) | 2023-11-22 | 2023-11-22 | Power transmission line crossing platform with foldable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117424131A true CN117424131A (en) | 2024-01-19 |
Family
ID=89530967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311564395.3A Pending CN117424131A (en) | 2023-11-22 | 2023-11-22 | Power transmission line crossing platform with foldable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117424131A (en) |
-
2023
- 2023-11-22 CN CN202311564395.3A patent/CN117424131A/en active Pending
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