CN111917051A - High tension transmission line strides across block device - Google Patents
High tension transmission line strides across block device Download PDFInfo
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- CN111917051A CN111917051A CN202010603567.3A CN202010603567A CN111917051A CN 111917051 A CN111917051 A CN 111917051A CN 202010603567 A CN202010603567 A CN 202010603567A CN 111917051 A CN111917051 A CN 111917051A
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
Abstract
The invention discloses a high-voltage transmission line crossing block device, and mainly relates to the field of crossing block devices. Including four group's stands, two sets of from increasing device, block device, the stand includes by a plurality of single sections from increasing the device and being fixed in two stand upper portions with one side and along the line middle part bilateral symmetry of homonymy two stands, including the mount, from the elevating gear, carry the festival device, the block device is including the mast of locating the stand top, divide telescopic link and the counterweight rod of locating the stand both sides. The invention has the beneficial effects that: the problem of stride across block net in-process and build the time long, and need the long-time high altitude construction of constructor, danger coefficient is big is solved, through setting up modular single section, realize the automatic of stand and build or ground remote control and build, effectual improvement build speed, reduce and build danger.
Description
Technical Field
The application relates to the field of crossing block devices, in particular to a high-voltage transmission line crossing block device.
Background
With the construction of the power grid in China and the implementation of projects such as the west power transmission and the east power transmission, the high-voltage lines form criss-cross grids. In the construction of electric power engineering lines, a large number of lines are crossed, and the crossing with facilities such as power lines, high-speed and high-speed rails and the like which are in operation inevitably occur in the erection process.
The existing crossing mode is that frame body upright posts and cross arms are assembled on two sides of a crossing line, the crossed line is informed of power failure or outage, then traction ropes are spread among the cross arms, main rope ways with net sealing rods are spread in a tension mode, the building time of the main rope way rope type crossing frame body upright posts and the cross arms is long, building workers need to build high-altitude operation to build a frame body, and the time consumption is long and the workload is large. After the frame body is built, the first-level traction rope and the main cable way rope are unfolded and released within the time of power failure and outage, the needed power failure and outage time of the crossed line is long, long-time terminals of crossed facilities or lines are caused, and great loss and adverse effects are brought to social and economic development and normal life of people.
Disclosure of Invention
An object of this application provides a high tension transmission line stridees across block device, and it has been solved and has strideed across block in-process and build the time long, and need the long-time high altitude construction of constructor, and the problem that danger coefficient is big through setting up the modular single section, realizes that the automation of stand is built or ground remote control is built, and effectual improvement is built speed, is reduced and is built danger.
In order to achieve the purpose, the method is realized by the following technical scheme:
a high-voltage transmission line crossing net sealing device comprises four groups of upright posts, two groups of self-height increasing devices and a net sealing device;
the upright column comprises a plurality of single sections, each single section is of a frame structure and comprises four vertical rods, the vertical rods are connected through a ring beam to form a structure with a square cross section, the top of each single section is also provided with an insertion part, the bottom of each single section is provided with an insertion pipe, and the insertion part of the lower single section is connected with the insertion pipe of the upper single section in a plugging and pulling manner so as to connect the adjacent single sections; the top of the single section is also provided with a hook part;
the self-elevating device is fixed on the upper parts of the two stand columns on the same side and is bilaterally symmetrical along the middle part of the connecting line of the two stand columns on the same side, and comprises a fixing frame, a self-elevating device, a lifting joint device and a joint conveying trolley, wherein the self-elevating device comprises a first hydraulic rod hinged with the fixing frame, a supporting plate is fixed at the bottom of the first hydraulic rod, a second hydraulic rod is arranged on the side wall of the first hydraulic rod, the supporting plate is provided with a second hydraulic rod, the second hydraulic rod is connected with the fixing frame, and the second hydraulic rod drives the first hydraulic rod to rotate so that the supporting plate is far; the lifting joint device comprises a first motor, the first motor is fixed on one side of the fixing frame, which is far away from the upright post, a winding wheel is arranged on an output shaft of the motor, a lifting joint rope is wound on the winding wheel, one end of the lifting joint rope strides over a first fixed pulley and a second fixed pulley which are arranged on the fixing frame, an automatic hook is connected, the automatic hook is matched with the hooking and hanging part to lift the single joint, and the automatic hook can automatically unhook and separate from the hooking and hanging part; after the lifting device lifts the single section, the conveying trolley delivers the lifted single section to a designated position and is assembled on the upright post;
the net sealing device comprises a mast arranged at the top of the upright post, telescopic rods and balance weight rods, wherein the telescopic rods are respectively arranged at two sides of the upright post, each telescopic rod comprises a plurality of telescopic single sections and a plurality of multi-stage electric push rods, the cross sections of the telescopic single sections are sequentially reduced, the telescopic single sections are sequentially sleeved, the larger the cross section of the telescopic single section is, the closer the telescopic single section is to the upright post, the multi-stage electric push rods are fixed in the other telescopic single sections except the telescopic single section with the smallest cross section, and the multi-stage electric push rods push the telescopic; a rope sealing net is arranged between the two telescopic single sections at the corresponding positions at the same side.
Furthermore, a track is arranged on the fixing frame along the connecting line direction of the two stand columns on the same side, the section transporting trolley moves along the track, the section transporting trolley comprises a concave trolley plate, the opening of the trolley plate faces the short-distance stand columns, four wheels are arranged at four corners of the trolley plate, the two wheels far away from the stand columns are connected through a first connecting shaft, a first frame plate is arranged on the trolley plate, a second motor is fixed on the bottom surface of the first frame plate, the second motor is connected with a reduction gearbox, the reduction gearbox is communicated with the first connecting shaft, and the second motor drives the section transporting trolley to move towards or far away from the short-distance stand columns along the track; the top of the first frame plate is provided with a first clamping plate, and the first clamping plate is vertical to the direction of the track; the outstanding both sides board top of sweep all is equipped with the second frame plate, the second frame plate is by first electric push rod drive, along perpendicular to track direction, be on a parallel with the sweep direction removal, second frame plate top is equipped with the second cardboard that is on a parallel with the track.
Furthermore, four insertion tubes are arranged at the bottom of the single section, first sliding holes are formed in the side walls, perpendicular to the rail, of the insertion tubes and far away from the single section body, metal rods are connected in the first sliding holes in a sliding mode, limiting blocks are arranged at the end parts, inserted into the first sliding holes, of the metal rods, limiting parts are arranged in the first sliding holes, and the limiting blocks are matched with the limiting parts to prevent the metal rods from completely falling out of the first sliding holes; the top of the single section is provided with four insertion parts, the side wall of each insertion part, which is close to the first sliding hole, is provided with a second sliding hole, and the bottom of each second sliding hole is provided with a permanent magnet; the two first electromagnets are arranged on the turning plate, and when the conveying-section trolley bears the single section, the first electromagnets are electrified to adsorb the two metal rods on one side of the single section; the fixed frame is provided with two second electromagnets, and when the single section carrying trolley moves to a specified position, the second electromagnets adsorb the two metal rods on the other side of the single section; the fixing frame is further provided with four third electromagnets, and when a first hydraulic rod of the self-lifting device is to be lifted from the self-lifting device, the four third electromagnets adsorb four metal rods of a single section at the top of the stand column, so that the first hydraulic rod extends out to drive the single section at the top to be separated from the stand column below and lift.
Furthermore, the four telescopic rods are provided with four telescopic single sections, the cross sections of the four telescopic rods are sequentially a first telescopic section, a second telescopic section, a third telescopic section and a fourth telescopic section from large to small, the rope sealing net is formed by weaving longitudinal and transverse Diniema ropes, the rope sealing net is arranged among the second telescopic section, the third telescopic section and the fourth telescopic section on the same side, the opposite surfaces of the first telescopic section, the second telescopic section and the third telescopic section on the same side are provided with through grooves, and when the telescopic rods retract, the telescopic single sections drive the rope sealing net to slide into the through grooves and penetrate through the through grooves; five pull ropes are arranged on the mast, one pull rope is connected with the counterweight rod, the other four pull ropes are respectively connected with the telescopic single joint, and when the telescopic rod is completely extended, the pull rope connected with the telescopic single joint is completely extended; when the telescopic rod extends out, the telescopic single sections with the cross sections from large to small extend out in sequence, and the sequence is opposite when the telescopic rod retracts.
Furthermore, the telescopic single section with the smallest cross section of the telescopic rod is provided with a butt joint device, the butt joint device comprises a cone part and a sleeve pipe which are mutually inserted, and the cone part and the sleeve pipe are respectively arranged on the two telescopic single sections to be butted.
Compared with the prior art, the beneficial effects of the application lie in:
the existing crossing net sealing scheme has the advantages that the frame body is large in construction difficulty and long in construction period, long-time high-altitude operation of multiple workers is needed, and after the frame body is built, power failure and outage are needed to be carried out on the crossing lower part so as to complete the unfolding and the placing of the first-level traction rope and the main cableway rope. This application is equipped with a plurality of modular single sections, is strideing across the scene and is being the stand by single section direct assembly, and assembly operation is simple and convenient, great shortening stand build time, effective reduction of erection time, promotion speed of building. Make the single section at stand top and the single section of inferior one-level height break away from and rise through the self-elevating gear, will treat the single section promotion of assembly through the lifting device, assemble the single section that promotes to the stand through fortune section dolly, and the first hydraulic stem and the cooperation of second hydraulic stem through the self-elevating gear realize the promotion of backup pad at last, accomplish increasing of stand. The whole operation process can be completed through ground control or automatic control, workers do not need to ascend, the workload of construction workers is reduced, the construction speed is increased, the danger of the workers is reduced, and the construction speed is effectively increased.
Rope block net is fixed on the telescopic link, need not extraordinarily to pull the construction, promotes and erects efficiency. And the telescopic rod is of a rigid structure, so that the bearing strength and the stability of the rope sealing net can be enhanced. Can directly inspect rope block and telescopic link's firm in connection degree before rising to the sky, effectual reduction leads to appearing the occurence of failure that high altitude cable falls because of the rope block steadiness is poor.
Drawings
Fig. 1 is a schematic structural diagram of the present application.
Fig. 2 is a schematic side view of the present application.
Fig. 3 is a partial structural schematic diagram of the present application.
FIG. 4 is a schematic view of the knuckle cart of the present application.
FIG. 5 is a schematic view of the articulated trolley of the present application.
Fig. 6 is a single section schematic of the present application.
Fig. 7 is a schematic view of the metal rod structure of the present application.
Fig. 8 is an enlarged view of the area a in fig. 2 of the present application.
Reference numerals shown in the drawings:
1. a column; 2. a self-raising device; 3. a screen sealing device; 4. single section; 5. a vertical rod; 6. a ring beam; 7. an insertion portion; 8. inserting a tube; 9. a hooking part; 10. a fixed mount; 11. a self-elevating device; 12. a lifting and connecting device; 13. a joint conveying trolley; 14. a first hydraulic lever; 15. a support plate; 16. a second hydraulic rod; 17. a first motor; 18. a winding wheel; 19. lifting a pitch rope; 20. a first fixed pulley; 21. a second fixed pulley; 22. automatic hooking; 23. a mast; 24. a telescopic rod; 25. a weight lever; 26. rope net sealing; 27. a track; 28. turning a plate; 29. a wheel; 30. a first connecting shaft; 31. a first frame plate; 32. a second engine; 33. a reduction gearbox; 34. a first clamping plate; 35. a second frame plate; 36. a first electric push rod; 37. a second clamping plate; 38. a first slide hole; 39. a metal rod; 40. a limiting block; 41. a limiting part; 42. a second slide hole; 43. a permanent magnet; 44. a first electromagnet; 45. a second electromagnet; 46. a third electromagnet; 47. pulling a rope; 48. and (4) a docking device.
Detailed Description
The present application is further illustrated with reference to specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present application. Further, it should be understood that various changes or modifications can be made to the present application by those skilled in the art after reading the teaching of the present application, and these equivalents also fall within the scope defined by the present application.
The high-voltage transmission line crossing net sealing device 3 comprises a main body structure, a net sealing device and a control device, wherein the main body structure comprises four groups of stand columns 1, two groups of self-height increasing devices 2 and the net sealing device 3; the four groups of upright posts 1 form two door-shaped structures, and the two groups of upright posts 1 of the door-shaped structures are fixed on two sides of a crossed line or facility. Two sets of self-height-increasing devices 2 are respectively arranged at the tops of the two door-shaped structures and used for performing high-altitude height-increasing assembly on the stand column 1.
The upright column 1 is formed by assembling a plurality of single sections 4, and the single sections 4 are modular units and are convenient to transport, disassemble and assemble. In order to meet the requirement of stability, the bottom of the upright post 1 is additionally provided with an assembled iron plate or a concrete block, so that the bottom of the upright post 1 is smooth and stable. Single section 4 is frame construction, connects for the cross-section for square structure including four montants 5, montant 5 through collar tie beam 6, single section 4 top still is equipped with insertion portion 7, and insertion portion 7 is located 6 tops of collar tie beam and 7 axes of insertion portion coincide with montant 5 axes, and insertion portion 7 is square columnar structure, top for the point portion in order conveniently to insert intubate 8. The bottom of the single section 4 is provided with an insertion pipe 8, the insertion pipe 8 is matched with the insertion part 7, and the insertion part 7 of the lower single section 4 is connected with the insertion pipe 8 of the upper single section 4 in a plugging and unplugging manner so as to connect the adjacent single sections 4; the top of the single section 4 is also provided with a hooking part 9, and the hooking part 9 is convenient for the lifting device 12 to hook.
The self-heightening device 2 is fixed with the single section 4 at the top of the upright post 1, the self-heightening device 2 lifts the single section 4 at the top and the self-heightening device 2, so that the single section 4 at the top is separated from the single section 4 at the secondary top by a distance not less than the height of the single section 4, and the single section 4 to be assembled is assembled between the top and the single section 4 at the secondary top after being lifted. The self-elevating device 2 is fixed on the upper parts of two upright posts 1 on the same side and is bilaterally symmetrical along the middle part of a connecting line of the two upright posts 1 on the same side, and comprises a fixed frame 10, a self-elevating device 11, a lifting device 12 and a joint transporting trolley 13, wherein the self-elevating device 11 comprises a first hydraulic rod 14 hinged with the fixed frame 10, a supporting plate 15 is fixed at the bottom of the first hydraulic rod 14, a second hydraulic rod 16 is arranged on the supporting plate 15 arranged on the side wall of the first hydraulic rod 14, the second hydraulic rod 16 is connected with the fixed frame 10, the second hydraulic rod 16 drives the first hydraulic rod 14 to rotate so as to lead the supporting plate 15 to be far away from or close to the upright posts 1, the bottom surface of the supporting plate 15 is supported on a lower ring beam 6 of a secondary top single joint 4 in a natural state, when the single joint 4 needs to be assembled, a piston rod of the first hydraulic rod 14 extends out to push the top single joint 4 to ascend with the self-elevating device 2, the top single joint 4 is, when the single section 4 to be assembled is assembled above the secondary top single section 4, the piston rod of the first hydraulic rod 14 is contracted, so that the top single section 4 and the self-height increasing device 2 fall back, and the assembly of the single section 4 to be assembled is completed to become a new secondary top single section 4. Then the first hydraulic rod 14 continues to contract, the supporting plate 15 is separated from the ring beam 6, the second hydraulic rod 16 drives the first hydraulic rod 14 to rotate relative to the fixing frame 10 along the rotating shaft, so that the first hydraulic rod 14 is far away from the upright column 1, the piston rod of the first hydraulic rod 14 continuously contracts, when the first hydraulic rod 14 contracts to a specified length, the second hydraulic rod 16 drives the first hydraulic rod 14 to rotate along the rotating shaft in the direction close to the upright column 1, after the first hydraulic rod 14 rotates to a specified angle, the first hydraulic rod 14 extends, and the supporting plate 15 supports the new ring beam 6 at the bottom of the secondary top single section 4. When the device is disassembled, the actions are opposite, namely the supporting plate 15 moves to the ring beam 6 of the third section single section 4 from top to bottom firstly, then the first hydraulic rod 14 extends, the top single section 4 is separated from the secondary top single section 4, and after the secondary top single section 4 is dragged out by the conveying trolley 13, the first hydraulic rod 14 contracts and repeats the actions.
In order to facilitate lifting and unloading of the single section 4, the lifting device 12 comprises a first motor 17, the first motor 17 is fixed on one side of the fixing frame 10 far away from the upright post 1, a winding wheel 18 is arranged on an output shaft of the motor, a lifting rope 19 is wound on the winding wheel 18, one end of the lifting rope 19 strides over a first fixed pulley 20 and a second fixed pulley 21 which are arranged on the fixing frame 10, an automatic hook 22 is connected, the automatic hook 22 is matched with the hooking part 9 to lift the single section 4, and the automatic hook 22 can automatically unhook and separate from the hooking part 9; the automatic hook 22 can be a mechanical automatic hook 22 with an automatic unhooking function, and the hook part 9 matched with the automatic hook can be an annular structure fixed in the middle of the top surface of the single section 4; or the automatic hook 22 is an electromagnet adsorption type automatic hook 22, and the hook part 9 matched with the electromagnet adsorption type automatic hook is an iron block-shaped structure fixed in the middle of the top surface of the single section 4. After the lifting device 12 lifts the single section 4, the section conveying trolley 13 consigns the lifted single section 4 to a designated position and assembles the lifted single section 4 on the upright post 1.
The net sealing device 3 comprises a mast 23 arranged at the top of the upright post 1, a telescopic rod 24 and a counterweight rod, wherein the telescopic rod 24 is respectively arranged at two sides of the upright post 1, the telescopic rod 24 comprises a plurality of telescopic single sections 4 with the cross sections sequentially reduced and sleeved in sequence, and a multistage electric push rod, the larger the cross section of each telescopic single section 4 is, the closer the telescopic single section 4 is to the upright post 1, the multistage electric push rods are fixed in the other telescopic single sections 4 except the telescopic single section 4 with the smallest cross section, and the multistage electric push rods push the telescopic single sections 4 to be close to or far away from each other; a rope sealing net 26 is arranged between the two telescopic single sections 4 at the corresponding positions at the same side.
In order to facilitate the movement and assembly of the single section 4 to be assembled on the upright post 1, and the angle of the single section 4 to be assembled is ensured not to rotate and to be consistent with the angle of the existing single section 4 on the upright post 1 during assembly. The fixed frame 10 is provided with four rails 27 along the connecting line direction of the two upright columns 1 on the same side, the joint transporting trolley 13 moves along the rails 27, the joint transporting trolley 13 comprises a concave trolley plate 28, the opening of the trolley plate 28 faces the short-distance upright column 1, four wheels 29 are arranged at four corners of the trolley plate 28, the two wheels 29 far away from the upright column 1 are connected through a first connecting shaft 30, the trolley plate 28 is provided with a first frame plate 31, the bottom surface of the first frame plate 31 is fixedly provided with a second motor, the second motor is connected with a reduction gearbox 33, the reduction gearbox 33 is communicated with the first connecting shaft 30, and the second motor drives the joint transporting trolley 13 to move towards or away from the short-distance upright column 1 along the rails 27; a first clamping plate 34 is arranged at the top of the first frame plate 31, and the first clamping plate 34 is perpendicular to the direction of the rail 27; and second frame plates 35 are arranged on the tops of two protruding side plates of the carriage plate 28, the second frame plates 35 are driven by a first electric push rod 36 to move along the direction perpendicular to the rail 27 and parallel to the carriage plate 28, and second clamping plates 37 parallel to the rail 27 are arranged on the tops of the second frame plates 35. When the single section 4 to be assembled is lifted to a designated height, the section conveying trolley 13 moves towards the single section 4 to be assembled, the first clamping plate 34 firstly contacts the side ring beam 6 of the single section 4, then the two first electric push rods 36 drive the second frame plate 35 to synchronously move towards the single section 4, the second clamping plate 37 contacts the opposite side of the single section 4, then the section lifting device 12 falls back, so that the single section 4 is supported by the first frame plate 31 and the second frame plate 35, the automatic hook 22 is separated from the single section 4, and the second frame plate 35 continues to move until the single section 4 is clamped. Then, the section transporting trolley 13 drives the single section 4 to move towards the upright 1 with enough assembly space until the fixing frame 10 carries out limiting on the single section 4 to be assembled, the first hydraulic rod 14 drives the rail 27 to fall, the single section 4 to be assembled is assembled with the single section 4 below, then the second frame plate 35 retracts, the section transporting trolley 13 resets, the first hydraulic rod 14 drives the top single section 4 to continuously fall, the assembly of the top single section 4 and the single section 4 to be assembled is completed, and the height of the upright 1 is increased.
In order to further enhance the assembly fastness between the single section 4 and the single section 4, four insertion tubes 8 are arranged at the bottom of the single section 4, a first sliding hole 38 is arranged on the side wall of the insertion tube 8 perpendicular to the rail 27 and far away from the body of the single section 4, a metal rod 39 is connected in the first sliding hole 38 in a sliding manner, a limiting block 40 is arranged at the end part of the metal rod 39 inserted into the first sliding hole 38, a limiting part is arranged in the first sliding hole 38, and the limiting block 40 is matched with the limiting part to prevent the metal rod 39 from completely falling out of the first sliding hole 38; the top of the single section 4 is provided with four insertion parts 7, the side wall of the insertion part 7 close to the first sliding hole 38 is provided with a second sliding hole 42, and the bottom of the second sliding hole 42 is provided with a permanent magnet 43; the sweep 28 is provided with two first electromagnets 44, and when the section conveying trolley 13 bears the single section 4, the first electromagnets 44 are electrified to adsorb the two metal rods 39 on one side of the single section 4; two second electromagnets 45 are arranged on the fixed frame 10, and when the single section 4 is carried by the section conveying trolley 13 and moves to a designated position, the second electromagnets 45 adsorb the two metal rods 39 on the other side of the single section 4; the fixing frame 10 is further provided with four third electromagnets 46, and when the first hydraulic rod 14 of the self-elevating device 11 is to be elevated from the self-elevating device 2, the four third electromagnets 46 adsorb the four metal rods 39 of the top single section 4 of the upright 1, so that the first hydraulic rod 14 extends to drive the top single section 4 to be separated from the upright 1 below and ascend. Through the cooperation of metal pole 39 and permanent magnet 43, realize the stable assembly between single section 4 and the single section 4, improve the stability of stand 1.
In order to better realize the rope sealing net 26 and ensure the net sealing effect, four telescopic rods 24 are respectively provided with four telescopic single sections 4, the cross sections of the four telescopic rods are sequentially a first telescopic section, a second telescopic section, a third telescopic section and a fourth telescopic section from large to small, the rope sealing net 26 is formed by weaving longitudinal and transverse denim ropes, rope sealing nets 26 are respectively arranged among the second telescopic section, the third telescopic section and the fourth telescopic section on the same side, the opposite surfaces of the first telescopic section, the second telescopic section and the third telescopic section on the same side are respectively provided with a through groove, and when the telescopic rods 24 retract, the telescopic single sections 4 drive the rope sealing nets 26 to slide into the through grooves and penetrate through the through grooves; five pull ropes 47 are arranged on the mast 23, one pull rope 47 is connected with the counterweight rod, the other four pull ropes 47 are respectively connected with the telescopic single joint 4, and when the telescopic rod 24 is completely extended, the pull rope 47 connected with the telescopic single joint 4 is completely extended; when the telescopic rod 24 extends out, the telescopic single sections 4 with the cross sections from large to small extend out in sequence, and the sequence is opposite when the telescopic rod retracts. And a stabilizer bar is arranged between the telescopic single sections 4 below the rope sealing net 26 to enhance the impact strength of the rope sealing net 26.
In order to facilitate the butt joint of the telescopic single sections 4 in the air, the telescopic single section 4 with the smallest cross section of the telescopic rod 24 is provided with a butt joint device 48, the butt joint device 48 comprises a cone part and a sleeve pipe which are mutually inserted, and the cone part and the sleeve pipe are respectively arranged on the two telescopic single sections 4 to be in butt joint. The section of the cone part is changed from small to large, so that the cone part can be conveniently inserted into the sleeve pipe.
Example (b): a high-voltage transmission line crossing net sealing device 3 comprises four groups of upright posts 1, two groups of self-heightening devices 2 and a net sealing device 3;
the upright column 1 is formed by assembling a plurality of single sections 4, every two upright columns 1 form a door-shaped structure, and the two upright columns 1 forming the door-shaped structure are the upright columns 1 at the same side, namely the two upright columns 1 positioned at one side of an object to be spanned. The single section 4 comprises four vertical rods 5, the upper parts and the lower parts of the vertical rods 5 are fixed into a frame structure with a square cross section through ring beams 6, crossed connecting beams are arranged at four corners of the square cross section at the upper ring beam 6, and hook hanging parts 9 are fixed in the middle of the connecting beams. The top of going up circle roof beam 6 is equipped with four insertion portion 7, and the axis of insertion portion 7 and the coincidence of the axis of montant 5, the bottom of circle roof beam 6 down is equipped with four intubate 8 with insertion portion 7 looks plug complex, and the axis of intubate 8 and the coincidence of the axis of montant 5, and the top of insertion portion 7 is the toper in order conveniently to insert intubate 8. Preferably, the opposite surfaces of the two upright posts 1 on the same side and the side wall of the insertion tube 8 opposite to the opposite surfaces are provided with first sliding holes 38, the cross section of each first sliding hole 38 is a rectangle communicated with the circular top, each first sliding hole 38 penetrates through the side wall of the insertion tube 8 to the hollow part of the insertion tube 8, a metal rod 39 is in sliding fit in the first sliding hole 38, the connecting part of the first sliding hole 38 and the side wall of the vertical rod 5 is provided with a limiting part, the end part of the metal rod 39 extending into the first sliding hole 38 is provided with a limiting block 40, and the limiting part is matched with the limiting block 40 to prevent the metal rod 39 from completely falling out of the first sliding hole 38. The side wall corresponding to the inserting portion 7 is provided with a second sliding hole 42, the second sliding hole 42 is in sliding connection with the metal rod 39, a permanent magnet 43 is arranged in the second sliding hole 42, the permanent magnet 43 attracts the metal rod 39 to be inserted into the second sliding hole 42, so that the connection of the adjacent single sections 4 is changed into fixed connection from plug-in connection, and the connection is more stable. The turning plate 28 is provided with two first electromagnets 44, and when the conveying trolley 13 bears the single section 4, the first electromagnets 44 are electrified to adsorb the two metal rods 39 on one side of the single section 4; two second electromagnets 45 are arranged on the fixed frame 10, and when the conveying trolley 13 bears the single section 4 and moves to a specified position, the second electromagnets 45 adsorb the two metal rods 39 on the other side of the single section 4; four third electromagnets 46 are further disposed on the fixing frame 10, and when the first hydraulic rod 14 of the self-elevating device 11 is to be elevated from the self-elevating device 2, the four third electromagnets 46 attract the four metal rods 39 of the top single section 4 of the upright 1, so that the first hydraulic rod 14 extends to drive the top single section 4 to be separated from the upright 1 below and ascend.
The self-heightening device 2 is fixed on the upper parts of the two upright posts 1 on the same side, and the self-heightening device 2 is bilaterally symmetrical. The following description is only about the symmetrical side of the self-elevating device 2, and includes the fixing frame 10, two symmetrical fixing frames 10 fixed at the symmetrical axis, the self-elevating device 11, the lifting device 12, and the conveying trolley 13. The self-elevating means 11 includes a first hydraulic rod 14 hinged to the fixing frame 10, and preferably, the first hydraulic rod 14 is rotated at an angle of 0 ° vertically to 30 ° obliquely. The bottom of first hydraulic stem 14 is fixed with backup pad 15, and backup pad 15 rotates along with first hydraulic stem 14, and when first hydraulic stem 14 vertical state, backup pad 15 part stretched into in the stand 1 in order to provide the support for increasing device 2 certainly. The side wall of the first hydraulic rod 14 is hinged with a second hydraulic rod 16, the second hydraulic rod 16 is hinged with the fixed frame 10, and when the first hydraulic rod 14 is in a vertical state, the second hydraulic rod 16 is in a horizontal extending state. The second hydraulic rod 16 extends and retracts to drive the first hydraulic rod 14 to rotate around the rotating shaft.
The lifting device 12 comprises a first motor 17, the first motor 17 is fixed on one side of the fixed frame 10 far away from the upright post 1, a winding wheel 18 is arranged on an output shaft of the motor, a lifting rope 19 is wound on the winding wheel 18, one end, far away from the winding wheel 18, of the lifting rope 19 crosses over a first fixed pulley 20 and a second fixed pulley 21 which are arranged on the fixed frame 10, an automatic hook 22 is connected, the automatic hook 22 is matched with the hooking part 9 to lift the single section 4, and the automatic hook 22 can be separated from the hooking part 9 through remote control or automatic control unhooking.
The fixed frame 10 is provided with a track 27, the direction of the track 27 is the same as the connecting direction of the two upright posts 1 on the same side, the section conveying trolley 13 moves along the track 27, the section conveying trolley 13 comprises a concave trolley plate 28, and the two trolley plates 28 of the same self-height-increasing device 2 face opposite directions and respectively point to the adjacent upright posts 1. Four wheels 29 are arranged at four corners of the bottom of the carriage plate 28, two wheels 29 far away from the opening are connected through a first connecting shaft 30, a first frame plate 31 is arranged on the carriage plate 28, a second motor is fixed on the bottom surface of the first frame plate 31, an output shaft of the second motor is connected with a reduction gearbox 33, an output shaft of the reduction gearbox 33 is connected with the first connecting shaft 30, and the second motor drives the joint transporting trolley 13 to move along the track 27. The top of the first frame plate 31 is provided with a first catch plate 34, the first catch plate 34 is perpendicular to the direction of the rail 27, and the angle of the single section 4 lifted by the first catch plate 34 is adjusted. The top of the two protruding side plates of the vehicle plate 28 is provided with a second frame plate 35, the top of the vehicle plate 28 is provided with a sliding groove, the sliding groove is connected with the second frame plate 35 in a sliding mode, the top of the sliding groove is fixed with a first electric push rod 36, the first electric push rod 36 pushes the second frame plate 35 to slide along the sliding groove, the axis of the sliding groove is perpendicular to the direction of the rail 27 and parallel to the plane where the vehicle plate 28 is located, the top of the second frame plate 35 is provided with a second clamping plate 37 parallel to the rail 27, and the second clamping plate 37 mainly plays a role in clamping the single section 4 and enabling the single section 4 to be located in the middle position of the vehicle plate 28, so that the single section 4 can be accurately positioned during assembly.
The net sealing device 3 comprises a mast 23 arranged at the top of the upright post 1, a telescopic rod 24 and a counterweight rod which are respectively arranged at two sides of the upright post 1. The telescopic rod 24 comprises four telescopic single sections 4 with sequentially reduced cross sections, namely a first telescopic section, a second telescopic section, a third telescopic section and a fourth telescopic section, the larger the cross section of the telescopic single section 4 is, the closer the telescopic single section is to the upright post 1, and except the fourth telescopic section, multistage electric push rods are arranged in the rest telescopic sections and drive the telescopic rod 24 to extend or retract. A rope sealing net 26 is arranged between the two telescopic single sections 4 at the corresponding positions on the same side, the rope sealing net 26 is formed by weaving longitudinal and transverse Diniema ropes, rope sealing nets 26 are arranged among the second telescopic section, the third telescopic section and the fourth telescopic section on the same side, through grooves are formed in the opposite surfaces of the first telescopic section, the second telescopic section and the third telescopic section on the same side, and when the telescopic rod 24 retracts, the telescopic single sections 4 drive the rope sealing net 26 to slide into the through grooves and penetrate through the through grooves; five pull ropes 47 are arranged on the mast 23, one pull rope 47 is connected with the counterweight rod, the other four pull ropes 47 are respectively connected with the telescopic single joint 4, and when the telescopic rod 24 is completely extended, the pull rope 47 connected with the telescopic single joint 4 is completely extended; when the telescopic rod 24 extends out, the telescopic single sections 4 with the cross sections from large to small extend out in sequence, and the sequence is opposite when the telescopic rod retracts. The telescopic single section 4 with the smallest cross section of the telescopic rod 24, namely the fourth telescopic section, is provided with a butt joint device 48, wherein the butt joint device 48 comprises a cone part and a sleeve pipe which are mutually inserted, and the cone part and the sleeve pipe are respectively arranged on the two telescopic single sections 4 to be butted.
Claims (5)
1. The utility model provides a high tension transmission line strides across block device which characterized in that: comprises four groups of upright posts (1), two groups of self-heightening devices (2) and a net sealing device (3);
the upright post (1) comprises a plurality of single sections (4), the single sections (4) are of a frame structure and comprise four vertical rods (5), the vertical rods (5) are connected through ring beams (6) to form a structure with a square cross section, the top of each single section (4) is also provided with an insertion part (7), the bottom of each single section (4) is provided with an insertion pipe (8), and the insertion part (7) of the lower single section (4) is connected with the insertion pipe (8) of the upper single section (4) in a plugging and pulling manner to connect the adjacent single sections (4); the top of the single section (4) is also provided with a hook part (9);
the self-elevating device (2) is fixed on the upper parts of two upright columns (1) on the same side and is bilaterally symmetrical along the middle part of a connecting line of the two upright columns (1) on the same side, and comprises a fixing frame (10), a self-elevating device (11), a lifting section device (12) and a section conveying trolley (13), wherein the self-elevating device (11) comprises a first hydraulic rod (14) hinged with the fixing frame (10), a supporting plate (15) is fixed at the bottom of the first hydraulic rod (14), a second hydraulic rod (16) is arranged on the side wall of the first hydraulic rod (14), the second hydraulic rod (16) is connected with the fixing frame (10), and the second hydraulic rod (16) drives the first hydraulic rod (14) to rotate so that the supporting plate (15) is far away from or close to the upright columns (1); the lifting joint device (12) comprises a first motor (17), the first motor (17) is fixed on one side, far away from the upright post (1), of the fixing frame (10), a winding wheel (18) is arranged on an output shaft of the motor, a lifting joint rope (19) is wound on the winding wheel (18), one end of the lifting joint rope (19) spans over a first fixed pulley (20) and a second fixed pulley (21) arranged on the fixing frame (10) and is connected with an automatic hook (22), the automatic hook (22) is matched with the hooking and hanging part (9) to lift the single joint (4), and the automatic hook (22) can automatically unhook and separate from the hooking and hanging part (9); after the lifting device (12) lifts the single sections (4), the section conveying trolley (13) consigns the lifted single sections (4) to a designated position and assembles the lifted single sections onto the upright post (1);
the net sealing device (3) comprises a mast (23) arranged at the top of the upright post (1), a telescopic rod (24) and a counterweight rod, wherein the telescopic rod (24) is respectively arranged at two sides of the upright post (1), the telescopic rod (24) comprises a plurality of telescopic single sections (4) with sequentially reduced cross sections and sleeved in sequence, and a multistage electric push rod, the larger the cross section of each telescopic single section (4) is, the closer the telescopic single section is to the upright post (1), the multistage electric push rods are fixed in the other telescopic single sections (4) except the telescopic single section (4) with the smallest cross section, and the multistage electric push rods push the telescopic single sections (4) to be close to or far away from each other; a rope sealing net (26) is arranged between the two telescopic single sections (4) at the corresponding positions at the same side.
2. The high-voltage transmission line crossing block device according to claim 1, characterized in that: a track (27) is arranged on the fixed frame (10) along the connecting line direction of the two upright columns (1) on the same side, the section transporting trolley (13) moves along the track (27), the section transporting trolley (13) comprises a concave trolley plate (28), the opening of the trolley plate (28) faces towards the short-distance upright column (1), four wheels (29) are arranged at four corners of the trolley plate (28), the two wheels (29) far away from the upright column (1) are connected through a first connecting shaft (30), a first frame plate (31) is arranged on the trolley plate (28), a second motor is fixed on the bottom surface of the first frame plate (31) and connected with a reduction gearbox (33), the reduction gearbox (33) is communicated with the first connecting shaft (30), and the second motor drives the section transporting trolley (13) to move towards or far away from the short-distance upright column (1) along the track (27); a first clamping plate (34) is arranged at the top of the first frame plate (31), and the first clamping plate (34) is vertical to the direction of the rail (27); the top parts of two protruding side plates of the carriage plate (28) are respectively provided with a second frame plate (35), the second frame plate (35) is driven by a first electric push rod (36) to move along the direction perpendicular to the rail (27) and parallel to the carriage plate (28), and the top part of the second frame plate (35) is provided with a second clamping plate (37) parallel to the rail (27).
3. The high-voltage transmission line crossing block device according to claim 2, characterized in that: the bottom of the single section (4) is provided with four insertion tubes (8), the insertion tubes (8) are perpendicular to the track (27) and are arranged on the side wall far away from the single section (4) body, first sliding holes (38) are formed in the side wall, the first sliding holes (38) are connected with metal rods (39) in a sliding mode, limiting blocks (40) are arranged at the end portions, inserted into the first sliding holes (38), of the metal rods (39), limiting portions are arranged in the first sliding holes (38), and the limiting blocks (40) are matched with the limiting portions to prevent the metal rods (39) from completely falling out of the first sliding holes (38); the top of the single section (4) is provided with four insertion parts (7), the side wall of each insertion part (7) close to the first sliding hole (38) is provided with a second sliding hole (42), and the bottom of each second sliding hole (42) is provided with a permanent magnet (43); two first electromagnets (44) are arranged on the sweep (28), and when the section conveying trolley (13) bears the single section (4), the first electromagnets (44) are electrified to adsorb two metal rods (39) on one side of the single section (4); two second electromagnets (45) are arranged on the fixed frame (10), and when the conveying trolley (13) bears the single section (4) and moves to a designated position, the second electromagnets (45) adsorb the two metal rods (39) on the other side of the single section (4); the fixed frame (10) is further provided with four third electromagnets (46), when a first hydraulic rod (14) of the self-lifting device (11) is to be lifted from the self-lifting device (2), the four third electromagnets (46) adsorb four metal rods (39) of the top single section (4) of the upright post (1), so that the first hydraulic rod (14) extends out to drive the top single section (4) to be separated from the upright post (1) below and lift.
4. The high-voltage transmission line crossing block device according to claim 3, characterized in that: the four telescopic rods (24) are respectively provided with four telescopic single sections (4), the cross sections of the four telescopic rods are sequentially a first telescopic section, a second telescopic section, a third telescopic section and a fourth telescopic section from large to small, the rope sealing net (26) is formed by weaving longitudinal and transverse Diima ropes, rope sealing nets (26) are arranged among the second telescopic section, the third telescopic section and the fourth telescopic section on the same side, the opposite surfaces of the first telescopic section, the second telescopic section and the third telescopic section on the same side are respectively provided with a through groove, and when the telescopic rods (24) retract, the telescopic single sections (4) drive the rope sealing net (26) to slide into the through grooves and penetrate through the through grooves; five pull ropes (47) are arranged on the mast (23), one pull rope (47) is connected with the counterweight rod, the other four pull ropes (47) are respectively connected with the telescopic single joint (4), and when the telescopic rod (24) is completely extended, the pull rope (47) connected with the telescopic single joint (4) is completely extended; when the telescopic rod (24) extends out, the telescopic single sections (4) with the cross sections from large to small extend out in sequence, and the sequence is opposite when the telescopic rod retracts.
5. The high-voltage transmission line crossing block device according to claim 4, characterized in that: the telescopic single section (4) with the smallest cross section of the telescopic rod (24) is provided with a butt joint device (48), the butt joint device (48) comprises a cone part and a sleeve pipe which are mutually inserted, and the cone part and the sleeve pipe are respectively arranged on the two telescopic single sections (4) which need to be butted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010603567.3A CN111917051B (en) | 2020-06-29 | 2020-06-29 | High tension transmission line strides across block device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010603567.3A CN111917051B (en) | 2020-06-29 | 2020-06-29 | High tension transmission line strides across block device |
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| CN111917051A true CN111917051A (en) | 2020-11-10 |
| CN111917051B CN111917051B (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010603567.3A Active CN111917051B (en) | 2020-06-29 | 2020-06-29 | High tension transmission line strides across block device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115693494A (en) * | 2022-11-10 | 2023-02-03 | 国网江苏省电力有限公司泰州供电分公司 | Combined crossing frame with small floor area and assembling method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH106275A (en) * | 1996-06-26 | 1998-01-13 | Aichi Corp | Drop preventive net |
| CN105529648A (en) * | 2016-01-18 | 2016-04-27 | 国家电网公司 | Hydraulic fabricated crossing structure |
| CN106564799A (en) * | 2016-11-01 | 2017-04-19 | 国家电网公司 | Crossing frame with guide rail lifting system |
| CN107394678A (en) * | 2017-06-27 | 2017-11-24 | 国家电网公司 | A kind of telescopic arm block crossing frame |
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2020
- 2020-06-29 CN CN202010603567.3A patent/CN111917051B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH106275A (en) * | 1996-06-26 | 1998-01-13 | Aichi Corp | Drop preventive net |
| CN105529648A (en) * | 2016-01-18 | 2016-04-27 | 国家电网公司 | Hydraulic fabricated crossing structure |
| CN106564799A (en) * | 2016-11-01 | 2017-04-19 | 国家电网公司 | Crossing frame with guide rail lifting system |
| CN107394678A (en) * | 2017-06-27 | 2017-11-24 | 国家电网公司 | A kind of telescopic arm block crossing frame |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115693494A (en) * | 2022-11-10 | 2023-02-03 | 国网江苏省电力有限公司泰州供电分公司 | Combined crossing frame with small floor area and assembling method |
| CN115693494B (en) * | 2022-11-10 | 2023-09-15 | 国网江苏省电力有限公司泰州供电分公司 | Combined type crossing frame with small occupied area and assembling method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111917051B (en) | 2021-06-25 |
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