CN115231375B - Paying-off device for electric transmission line iron tower piles and construction method thereof - Google Patents
Paying-off device for electric transmission line iron tower piles and construction method thereof Download PDFInfo
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- CN115231375B CN115231375B CN202210946316.4A CN202210946316A CN115231375B CN 115231375 B CN115231375 B CN 115231375B CN 202210946316 A CN202210946316 A CN 202210946316A CN 115231375 B CN115231375 B CN 115231375B
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- rod
- support
- bottom plate
- sliding
- piece
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 13
- 238000010276 construction Methods 0.000 title claims abstract description 9
- 230000000712 assembly Effects 0.000 claims abstract 9
- 238000000429 assembly Methods 0.000 claims abstract 9
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/32—Stands or frameworks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/34—Arrangements for effecting positive rotation of packages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/38—Skips, cages, racks, or containers, adapted solely for the transport or storage of bobbins, cops, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/02—Arrangements for removing spent cores or receptacles and replacing by supply packages at paying-out stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The application relates to a pay-off device for a power transmission line iron tower pile, which relates to the field of cable construction and comprises a fixing assembly, two groups of centering assemblies and two groups of lifting support assemblies, wherein the fixing assembly comprises a bottom plate, two side plates and two mounting seats, the two mounting seats are respectively connected with the bottom plate and are respectively positioned at two ends of the bottom plate in the length direction, the two side plates are respectively positioned between the two mounting seats, the two side plates are mutually parallel and are vertically connected with the bottom plate, the centering assemblies comprise a conical barrel, a sliding rod and a driving piece, the sliding rod passes through the side plates and is coaxially connected with the thicker end of the conical barrel, the driving piece is arranged on the mounting seats and is connected with the thicker end of the sliding rod away from the conical barrel, the sliding rod is in sliding fit with the side plates, the conical barrel can rotate around the axis, and the lifting support assemblies are respectively positioned between the two side plates and are used for supporting the sliding rod. The application has the effect of improving the efficiency of replacing the wire roller.
Description
Technical Field
The application relates to the field of cable construction, in particular to a pay-off device for a power transmission line iron tower pile and a construction method thereof.
Background
The power transmission line is characterized in that the transformer boosts the electric energy generated by the generator and then is connected into the power transmission line through control equipment such as a breaker and the like to realize power transmission through a cable, the link of paying off the cable is an extremely important link in the construction of the power transmission line, and the efficiency of replacing the wire roller after paying off indirectly influences the paying off completion rate.
At present, the existing pay-off device is generally provided with supporting rods on brackets at different sides for the supporting rods penetrate through the hollow parts of the centers of the wire rollers, and in order to enable the supporting rods to smoothly rotate and detach from the brackets so as to replace the wire rollers after the cables are placed, detachable bearing seats are often arranged at the positions, abutting the brackets, at two ends of the supporting rods for replacing the wire rollers.
For the above related art, the inventor believes that this way of replacing the wire roller, because the wire roller can be replaced only after the support rod is removed from the support frame by disassembling the originally installed bearing seat, and the support rod and the bearing seat need to be reinstalled after the replacement, the whole process is time-consuming and has low efficiency.
Disclosure of Invention
In order to improve efficiency of replacing a line roller, in a first aspect, the application provides a paying-off device for a power transmission line iron tower pile.
The application provides a paying-off device for a power transmission line iron tower pile, which adopts the following technical scheme: including fixed subassembly, two sets of centering subassemblies and two sets of lift supporting component, fixed subassembly includes the bottom plate, two curb plates and two mount pads, two mount pads are connected with the upper surface of bottom plate respectively and are located the both ends of bottom plate length direction respectively, two curb plates all are located between two mount pads, two curb plates are parallel to each other and are connected with the bottom plate upper surface is vertical, centering subassembly includes a cone, slide bar and driving piece, slide bar pass behind the curb plate with the thicker one end coaxial coupling of cone, the driving piece is installed on the mount pad and is kept away from the thicker one end of cone with slide bar and be connected, slide bar and curb plate sliding fit, the cone can overlap self axis and rotate, lift supporting component all is located between two curb plates and is used for supporting slide bar.
Through adopting above-mentioned technical scheme, when need pay off for transmission line iron tower stake, take off empty line roller from between two sets of centering components earlier, then remove the line roller that twines the cable to between two blocks curb plates, then start the driving piece, the driving piece promotes the line roller of sliding rod along self axis removal on the lateral wall, and then push the hole department in the middle of the line roller with the toper section of thick bamboo, when the conical surface on the toper section of thick bamboo and the border butt of hole department in the middle of the line roller accomplish promptly, lift supporting component plays the supporting role to the sliding rod, reduce because the condition that the line roller weight is too big to lead to the sliding rod to take place deformation appears, because the toper section of thick bamboo can wind the axis rotation of sliding rod on the sliding rod again, consequently, the toper section of thick bamboo rotates and can drive the line roller and rotate and realize the unwrapping wire, in the installation of line roller, only need two centering mechanisms keep away from each other line roller, and need not dismouting other parts, and the quick installation and change of line roller with this, great improvement line roller's efficiency.
Optionally, a hydraulic cylinder and a top block are arranged below the conical cylinder, the top block is arranged on the hydraulic cylinder, one end of the top block is provided with a slope, and the other end of the top block is provided with a limiting block
Through adopting above-mentioned technical scheme, the slope on the kicking block makes the wire roller arrive the top of kicking block more easily, and the stopper this is used for preventing that the wire roller from rolling off from the other end of kicking block, plays spacing effect to the wire roller.
Optionally, the one end that the driving piece was kept away from to the slider is equipped with the locating part, and the locating part is connected through screw-thread fit's mode with the slider, and the locating part is used for the thinner one end of butt toper section of thick bamboo.
Through adopting above-mentioned technical scheme, the locating part is used for restricting the toper section of thick bamboo and removes along the axis of slide bar on the slide bar, plays spacing effect to the toper section of thick bamboo, reduces the condition emergence that the toper section of thick bamboo deviate from the slide bar.
Optionally, a chute is arranged on the bottom plate, the chute extends along the length direction of the bottom plate, and the lifting support assembly can move along the length direction of the chute.
Through adopting above-mentioned technical scheme, the length direction that lift supporting component can follow the spout extends makes the staff can adjust the position of lift supporting component on the bottom plate according to actual conditions for lift supporting component can carry out position adjustment according to the width of line roller between the curb plate.
Optionally, the lifting support assembly comprises a sliding seat, a support rod and a support piece, wherein the sliding seat is clamped in the sliding groove and is in sliding fit with the sliding groove, one end of the support rod is vertically connected with the sliding seat, the other end of the support rod is connected with the support piece, and the support piece is used for being abutted with the outer wall of the sliding rod.
Through adopting above-mentioned technical scheme, the staff can adjust the position of bracing piece on the bottom plate through the sliding seat, and then adjusts the support piece on the bracing piece to the supporting position of sliding rod to reduce the sliding rod and discover the condition emergence of deformation because bearing line roller weight.
Optionally, the bracing piece includes first bracing piece and second bracing piece, and the second bracing piece cover is established in first bracing piece outside, and the second bracing piece is connected perpendicularly on the sliding seat and can rotate around self axis, and first bracing piece is connected through screw-thread fit's mode with the second bracing piece, and first bracing piece is connected with support piece.
Through adopting above-mentioned technical scheme, the staff can adjust the extension length of first bracing piece on the second bracing piece through the mode of rotating the second bracing piece, and then adjusts support piece's height, makes support piece can not cause the interference when moving along self axis on the curb plate to the pole that slides.
Optionally, the first support rod is provided with a positioning nut, and the positioning nut is connected with the first support rod in a threaded fit manner.
Through adopting above-mentioned technical scheme, the staff can be through the fixed extension length of first bracing piece on the second bracing piece of the mode of tightening set nut to thereby make first bracing piece can not take place the rotation and change the extension length at the second bracing piece.
Optionally, an auxiliary piece is arranged on the second supporting rod and is used for assisting in driving the second supporting rod to rotate around the axis of the second supporting rod, and the auxiliary piece is in plug-in fit with the second supporting rod.
Through adopting above-mentioned technical scheme, the auxiliary member is used for assisting the staff to rotate the axis rotation of second bracing piece around self, and the auxiliary member is pegged graft the cooperation with the second bracing piece and is further convenient that the staff drives the second bracing piece and rotates.
Optionally, an auxiliary wheel is arranged on the bottom plate, a supporting leg is arranged on the bottom plate corresponding to the auxiliary wheel, and the supporting leg is connected with the bottom plate in a threaded fit manner.
Through adopting above-mentioned technical scheme, connect through screw-thread fit's mode between supporting legs and the bottom plate for the staff can be through rotatory supporting legs around self axis pivoted mode to adjust the height of supporting legs, and this makes the bottom plate remove through the auxiliary wheel, also can make supporting legs and ground butt and can't promote through the rotatory supporting legs of staff, and then makes the bottom plate can place in the boxcar, by the supplementary removal of vehicle, accomplish the unwrapping wire.
In a second aspect, the construction method of the pay-off device for the iron tower pile of the power transmission line provided by the application comprises the following steps:
The hydraulic cylinder ascends to support the wire lifting roller, the lifting support assembly descends, the driving piece retracts to enable the conical cylinder to be separated from the wire lifting roller, the hydraulic cylinder descends to return, the empty wire lifting roller after the cables are placed is taken away from the top block, and the wire lifting roller wound with the cables is pushed to the upper portion of the top block from one end of the slope until the wire lifting roller is abutted with the limiting block;
the hydraulic cylinder ascends to lift the line roller and corresponds to the height of the conical cylinder;
the driving piece stretches out to push the conical cylinder to be inserted into the hollow of the wire roller until the conical cylinder is abutted against the hollow; lifting the lifting support component to support the sliding rod;
The hydraulic cylinder descends to return to enable the wire roller to be suspended, and paying-off is performed in a mode of rotating the wire roller.
In summary, the present application includes at least one of the following beneficial technical effects:
1. By arranging two groups of centering components which are symmetrically distributed and the distance between the two centering components is adjustable, workers do not need to install or detach other components again when replacing the wire roller, and therefore the effect of improving the efficiency of replacing the wire roller is achieved;
2. the lifting support assembly is arranged on the bottom plate to support the sliding rod in the centering assembly, so that the sliding rod cannot be easily deformed due to the fact that the sliding rod bears the gravity of the wire roller when in use, and the effect of prolonging the service life of the sliding rod is achieved;
3. Through set up pneumatic cylinder and kicking block on the bottom plate for kicking block line roller plays the effect of jacking, makes line roller height can correspond with the height of toper section of thick bamboo, thereby reaches the effect that reduces the effort that the staff spent adjusting line roller position.
Drawings
Fig. 1 is a schematic perspective view of a pay-off device for a power transmission line tower pile according to the present application;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
Fig. 3 is a schematic cross-sectional view of a pay-off device for a pile of an iron tower of a power transmission line.
Reference numerals illustrate: 1. a fixing assembly; 11. a bottom plate; 111. a chute; 12. a side plate; 13. a mounting base; 2. centering components; 21. a conical cylinder; 22. a sliding rod; 23. a driving member; 3. lifting the supporting component; 31. a sliding seat; 32. a support rod; 321. a first support bar; 322. a second support bar; 33. a support; 34. an auxiliary member; 4. a limiting piece; 5. positioning a nut; 6. an auxiliary wheel; 7. supporting feet; 8. a hydraulic cylinder; 9. a top block; 91. a ramp; 92. and a limiting block.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
In embodiment 1, embodiment 1 of the application discloses a pay-off device for a pile of an iron tower of a power transmission line, referring to fig. 1-3, the pay-off device comprises a fixing component 1, a centering component 2 and a lifting supporting component 3, wherein the fixing component 1 comprises a bottom plate 11, two side plates 12 and two mounting seats 13, the side plates 12 and the mounting seats 13 are symmetrically distributed by taking a central line perpendicular to the length direction of the bottom plate 11 as a symmetrical axis, the two side plates 12 are respectively and vertically connected with the bottom plate 11 and are mutually parallel, and the mounting seats 13 are respectively positioned at two ends of the length direction of the bottom plate 11 and are vertically fixed with the bottom plate 11.
The centering component 2 comprises a driving piece 23, a sliding rod 22 and a conical barrel 21, wherein the driving piece 23 can be an air cylinder, a channel for the sliding rod 22 to pass through is formed in the conical barrel 21, step holes for installing bearings are respectively formed in two ends of the channel, the sliding rod 22 vertically passes through the side plate 12 and then passes through the thicker end of the conical barrel 21 and is flush with the end face of the thinner end of the conical barrel 21, the outer wall of the sliding rod 22 is abutted with the inner ring of the bearings, the inner side wall of the step holes is abutted with the outer ring of the bearings, a limit piece 4 is arranged on the face of the sliding rod 22, which is flush with the thinner end of the conical barrel 21, a threaded rod is vertically connected to the limit piece 4, and after the threaded rod is connected with the end of the sliding rod 22 in a threaded fit mode, the limit piece 4 is abutted with the outer ring of the bearings at the thinner end of the conical barrel 21, so that the conical barrel 21 can rotate around the axis of the sliding rod 22, and then the end of the conical barrel 21, which is abutted with the side wall of a wire roller hole, can rotate along with the rotation of the wire roller, thereby realizing wire paying off by the wire matching roller.
In order to avoid damage to the surface of the sliding rod 22 when the sliding rod 22 moves along the axis of the driving member 23 on the side plate 12, a copper sleeve for the sliding rod 22 to pass through is arranged on the side plate 12, and the copper sleeve is fixed on the side plate 12 and is coaxial with the sliding rod 22.
Referring to fig. 1 and 3, a sliding groove 111 extending along the length direction of the bottom plate 11 is further provided on the bottom plate 11, the lifting support assembly 3 includes a sliding seat 31 clamped in the sliding groove 111, a support rod 32 vertically connected with the sliding seat 31, and a support member 33 connected with one end of the support rod 32 far away from the sliding seat 31, wherein the support rod 32 includes a first support rod 321 and a second support rod 322, the second support rod 322 is connected with the sliding seat 31, the second support rod 322 is sleeved on the first support rod 321, the first support rod 321 is connected with the second support rod 322 in a threaded fit manner, and the first support rod 321 is connected with the support member 33.
The thrust ball bearing capable of bearing axial force is arranged at the top of the sliding seat 31, one end of the second support rod 322 far away from the first support rod 321 is inserted into the thrust ball bearing, so that a worker can adjust the extending length of the first support rod 321 on the second support rod 322 in a mode of rotating the second support rod 322, the first support rod 321 is further sleeved with the positioning nut 5, after the extending length of the first support rod 321 is adjusted, the worker can make the positioning nut 5 abut against the end face of the second support rod 322 by screwing the positioning nut 5, and further fix the extending length of the first support on the second support rod 322, so that the support piece 33 has a good supporting function on the sliding rod 22.
Further, in order to facilitate the operator to rotate the second support rod 322, the auxiliary member 34 is disposed at the position of the second support rod 322 near the sliding seat 31, the auxiliary member 34 is a metal rod, the axis of the auxiliary member 34 is perpendicular to the axis of the second support rod 322, and two ends of the auxiliary member 34 are located outside the second support rod 322, so that the operator can sleeve one end of the auxiliary member 34 located outside the second support rod 322 through a sleeve or other tool, and then rotate the auxiliary member 34 to drive the second support rod 322 to rotate.
Referring to fig. 2 and 3, the supporting member 33 is a metal member adapted to the outer contour of the sliding rod 22, a soft pad is adhered to one surface of the supporting member 33 abutting against the outer wall of the sliding rod 22, the soft pad can be made of foam sponge, one surface of the soft pad is adhered to the supporting member 33, and the other surface of the soft pad is used for abutting against the outer surface of the sliding rod 22, so that the condition that the smoothness is reduced due to the damage of the surface of the sliding rod 22 is reduced.
The sliding seat 31 is provided with a groove for installing the hydraulic cylinder 8, the hydraulic cylinder 8 is arranged in the groove, the end part of a piston rod of the hydraulic cylinder 8 is connected with the top block 9, the top block 9 is made of metal and belongs to a non-standard piece, one end of the top block 9 forms a slope 91 for a wire roller to roll to the top of the top block 9, and the slope 91 and the top block 9 are provided with inwards concave limiting grooves for limiting the movement of the wire roller.
When the hydraulic cylinder 8 is in an un-lifted state, the bottom of the top block 9 is abutted with the top of the sliding seat 31, and the bottom surface of the slope 91 is abutted with the ground, so that the hydraulic cylinder 8 cannot be subjected to unexpected loads except the axial direction in the process of rolling the online roller to the top of the top block 9, and the normal use of the hydraulic cylinder 8 is ensured.
Further, in order to prevent the wire roller from rolling off from the end of the top block 9 far away from the slope 91 due to rolling transition on the top block 9, a limiting block 92 is arranged on the top block 9, the limiting block 92 and the top block 9 are integrally formed, and the limiting block 92 is used for abutting against the wire roller to limit the movement of the wire roller.
The auxiliary wheels 6 are respectively arranged at four corners of the bottom plate 11, the auxiliary wheels 6 are arranged on the bottom plate 11, the auxiliary wheels 6 are universal wheels with braking functions, supporting feet 7 are arranged near the auxiliary wheels 6, the supporting feet 7 are connected with the bottom plate 11 in a threaded fit mode, so that a worker can move the bottom plate 11 in a pushing mode, the extending distance of the supporting feet 7 can be adjusted to enable the supporting feet 7 to be abutted to the ground, the position of the bottom plate 11 is further fixed, the worker can push the bottom plate 11 to move by placing the bottom plate 11 on the ground, and can also place the bottom plate 11 in a cargo compartment of a car through the supporting feet 7, and the car can pull and move, so that paying-off work can be carried out.
The implementation principle of the pay-off device for the iron tower pile of the power transmission line of the embodiment 1 of the application is as follows: when the two driving members 23 are in an unextended state, a space for the wire roller to go in and out exists between the conical barrels 21 on the two sliding rods 22, when a worker pushes the wire roller wound with a cable to the top of the jacking block 9 through the slope 91 of the jacking block 9 on the bottom plate 11, the wire roller is abutted against the limiting block 92 on the jacking block 9, then the hydraulic cylinder 8 is started, the hydraulic cylinder 8 drives the jacking block 9 to slowly ascend, in the whole ascending process, the worker holds the wire roller on one side of the jacking block 9 provided with the slope 91, the wire roller is prevented from sliding down from the jacking block 9, when the wire roller ascends to a certain height, the driving member 23 is started, the driving member 23 pushes the sliding rod 22, so that the conical barrels 21 are inserted into holes of the wire roller, the wire roller is fixed, then the worker rapidly rotates the second supporting rod 322 to adjust the height of the first supporting rod 321, the supporting member 33 plays a supporting role on the sliding rod 22, then the hydraulic cylinder 8 is retracted, the jacking block 9 loses the abutment with the wire roller, the conical barrels 21 can rotate around the axis of the sliding rod 22, and the wire roller 21 can rotate along with the wire roller 21, and then the wire roller can rotate along with the conical barrels 21.
Embodiment 2, the embodiment 2 of the application discloses a construction method of a pay-off device for a power transmission line iron tower pile, which comprises the following steps:
the hydraulic cylinder 8 ascends to support the wire lifting roller, the lifting support assembly 3 descends, the driving piece 23 retracts to enable the conical cylinder 21 to be separated from the wire lifting roller, the hydraulic cylinder 8 descends to return to the original position, the empty wire lifting roller after the cables are put is taken away from the top block 9, and the wire lifting roller wound with the cables is pushed to the upper side of the top block 9 from one end of the slope 91 until the wire lifting roller is abutted with the limiting block 92;
The hydraulic cylinder 8 ascends to lift the wire roller and corresponds to the height of the conical cylinder 21;
The driving piece 23 stretches out to push the conical cylinder 21 to be inserted into the hollow of the wire roller until the conical cylinder is abutted against the hollow; the lifting support component 3 lifts to support the sliding rod 22;
The hydraulic cylinder 8 descends to return to enable the wire roller to be suspended, and paying-off is performed in a mode of rotating the wire roller.
The above is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. The utility model provides a transmission line iron tower stake pay-off which characterized in that: the lifting device comprises a fixed assembly (1), two sets of centering assemblies (2) and two sets of lifting support assemblies (3), wherein the fixed assembly (1) comprises a bottom plate (11), two side plates (12) and two mounting seats (13), the two mounting seats (13) are respectively connected with the upper surface of the bottom plate (11) and are respectively positioned at two ends of the bottom plate (11) in the length direction, the two side plates (12) are respectively positioned between the two mounting seats (13), the two side plates (12) are parallel to each other and are vertically connected with the upper surface of the bottom plate (11), the centering assemblies (2) comprise a conical cylinder (21), a sliding rod (22) and a driving piece (23), the sliding rod (22) passes through the side plates (12) and is coaxially connected with one thicker end of the conical cylinder (21), the driving piece (23) is arranged on the mounting seat (13) and is respectively connected with one end of the sliding rod (22) far away from the conical cylinder (21), and the sliding rod (22) is matched with the two sets of the sliding rod (22) in a sliding way, and the sliding rod (22) can be respectively positioned between the two sets of lifting support assemblies (12) and the lifting support assemblies (12) in a sliding way; a hydraulic cylinder (8) and a top block (9) are arranged below the conical cylinder (21), the top block (9) is arranged on the hydraulic cylinder (8), one end of the top block (9) is provided with a slope (91), and the other end of the top block (9) is provided with a limiting block (92); the bottom plate (11) is provided with a chute (111), the chute (111) extends along the length direction of the bottom plate (11), and the lifting support assembly (3) can move in the chute (111) along the length direction of the chute (111); the lifting support assembly (3) comprises a sliding seat (31), a support rod (32) and a support piece (33), wherein the sliding seat (31) is clamped in the sliding groove (111) and is in sliding fit with the sliding groove (111), one end of the support rod (32) is vertically connected with the sliding seat (31), the other end of the support rod (32) is connected with the support piece (33), the support piece (33) is used for supporting the sliding rod (22), and the driving piece (23) is an air cylinder; the sliding seat (31) is provided with a groove for installing the hydraulic cylinder (8), the hydraulic cylinder (8) is arranged in the groove, the end part of a piston rod of the hydraulic cylinder (8) is connected with the ejector block (9), one end of the ejector block (9) forms a slope (91) for the wire feeding roller to roll to the top of the ejector block (9), and the slope (91) and the ejector block (9) are provided with inwards concave limiting grooves for limiting the movement of the wire feeding roller.
2. The power transmission line tower pile paying-off device according to claim 1, wherein: one end of the sliding rod (22) far away from the driving piece (23) is provided with a limiting piece (4), the limiting piece (4) is connected with the sliding rod (22) in a threaded fit mode, and the limiting piece (4) is used for being abutted to the thinner end of the conical barrel (21).
3. The power transmission line tower pile paying-off device according to claim 1, wherein: the support rod (32) comprises a first support rod (321) and a second support rod (322), the second support rod (322) is sleeved outside the first support rod (321), the second support rod (322) is vertically connected to the sliding seat (31) and can rotate around the axis of the second support rod, the first support rod (321) is connected with the second support rod (322) in a threaded fit mode, and the first support rod (321) is connected with the support piece (33).
4. A transmission line pylon pile pay-off according to claim 3, wherein: the first support rod (321) is provided with a positioning nut (5), and the positioning nut (5) is connected with the first support rod (321) in a threaded fit mode.
5. A transmission line pylon pile pay-off according to claim 3, wherein: the outer wall of the second supporting rod (322) is provided with an auxiliary piece (34), the auxiliary piece (34) is used for assisting in driving the second supporting rod (322) to rotate around the axis of the second supporting rod, and the auxiliary piece (34) is in plug-in connection with the second supporting rod (322).
6. The power transmission line tower pile paying-off device according to claim 1, wherein: be equipped with auxiliary wheel (6) on bottom plate (11), the position department that corresponds auxiliary wheel (6) on bottom plate (11) is equipped with supporting legs (7), supporting legs (7) with bottom plate (11) are connected through screw-thread fit's mode.
7. A construction method of a pay-off device for a power transmission line tower pile according to any one of claims 2 to 6, characterized by comprising the steps of: the method comprises the following steps:
The hydraulic cylinder (8) ascends to support the empty wire roller, the lifting support assembly (3) descends, the driving piece (23) retracts, the conical cylinder (21) is separated from the empty wire roller, the hydraulic cylinder (8) descends to return to take the empty wire roller away from the top block (9), and then the other wire roller wound with the cable is pushed to the upper part of the top block (9) from the slope (91) until the wire roller is abutted with the limiting block (92);
The hydraulic cylinder (8) ascends to lift the wire roller, so that the height of the wire roller corresponds to the height of the conical cylinder (21);
The driving piece (23) stretches out to push the conical cylinder (21) to be inserted into the hole of the wire roller until the conical surface of the conical cylinder (21) is abutted against the edge of the hole of the wire roller, and the lifting support assembly (3) lifts to support the sliding rod (22);
the hydraulic cylinder (8) descends to return to enable the wire roller to be suspended, and paying off is carried out in a mode of rotating the wire roller.
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