CN106698276B - Cement pole lifter for distribution line and construction operation method thereof - Google Patents
Cement pole lifter for distribution line and construction operation method thereof Download PDFInfo
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- CN106698276B CN106698276B CN201611267581.0A CN201611267581A CN106698276B CN 106698276 B CN106698276 B CN 106698276B CN 201611267581 A CN201611267581 A CN 201611267581A CN 106698276 B CN106698276 B CN 106698276B
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- 238000010276 construction Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 39
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000036541 health Effects 0.000 abstract description 2
- 230000009194 climbing Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 238000012548 In-process support Methods 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
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Abstract
The distribution line cement pole lifter comprises a hoisting bearing frame, a supporting frame, a positioning frame, a motor reducer and a double-roller winch; the hoisting bearing frame and the support frame are arranged at the upper end part of the cement line pole, the support frame is arranged below the hoisting bearing frame, the positioning frame is arranged at the lower end part of the cement line pole above the ground, and the motor speed reducer and the double-drum winch are arranged on the bottom surface of one side of the cement line pole. The invention also discloses a construction operation method of the elevator. The invention can lift constructors, tools and various materials to an operation point at the top of the line pole, greatly reduce the labor intensity of field operators for power grid construction, effectively protect the health of workers in plateau areas, improve the construction efficiency, and ensure the safe first construction principle by considering the safe reliability.
Description
Technical Field
The invention belongs to the technical field of construction of distribution lines in the power industry, and particularly relates to a cement pole lifter for a distribution line and a construction operation method of the cement pole lifter.
Background
In the construction of the Tibet power distribution line, construction sites are all in high sea areas, and due to severe oxygen deficiency, constructors need to repeatedly go up and down the cement poles to take power accessories and tools, and in the process of going up and down the cement poles, the constructors consume a large amount of physical power, so that the incidence rate of altitude diseases is increased, and the engineering progress is reduced; if a crane is used, construction costs are increased.
Technical terms such as 'line construction climbing vehicle', 'line construction electric lifting technology' and the like are searched for from the internet in a hundred degrees, no relevant device or equipment which is used for hoisting the bearing frame after automatically climbing to the upper end of the line rod along the line rod is found, and in addition, the device or equipment is consulted with a distributor of electric power line tools, and no device or equipment exists in the domestic electric tool market at present.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a distribution line cement pole lifter which can lift along a cement pole and is fixed to the upper end of the cement pole to serve as a hoisting bearing frame, and can lift electric power accessories and tools to the upper end of the cement pole by using an electric winch as power, and a construction operation method of the distribution line cement pole lifter.
In order to solve the technical problems, the invention adopts the following technical scheme: the distribution line cement pole lifter comprises a hoisting bearing frame, a supporting frame, a positioning frame, a motor reducer and a double-roller winch; the hoisting bearing frame and the support frame are arranged at the upper end part of the cement wire pole, the support frame is arranged below the hoisting bearing frame, the positioning frame is arranged at the lower end part of the cement wire pole above the ground, and the motor speed reducer and the double-drum winch are arranged on the bottom surface of one side of the cement wire pole;
the hoisting bearing frame comprises a first semicircular plate and a second semicircular plate, a first mounting block is arranged on the outer side of one end of the first semicircular plate, a second mounting block is arranged on the outer side of one end of the second semicircular plate, the first mounting block and the second mounting block correspond to each other vertically and are hinged through a first pin shaft, a first fastening block is hinged on the outer side of the other end of the second semicircular plate, a second fastening block is hinged on the outer side of the other end of the second semicircular plate, the first fastening block and the second fastening block are connected through a first fastening bolt, a first fastening driving motor is connected to the outer side of the first fastening block through a first connecting plate, a main shaft of the first fastening driving motor is in coaxial transmission connection with the first fastening bolt, and a six-prism block adjacent to the first fastening driving motor is arranged on the first fastening bolt; a first circular hoop structure sleeved outside the cement pole is enclosed between the first semicircular plate and the second semicircular plate; the inner wall of the first circular hoop is provided with three lifting motors, a main shaft of each lifting motor is provided with a rubber anti-skid lifting wheel which is matched with the outer circumferential surface of the cement pole in a rolling and pressing way, and the three rubber anti-skid lifting wheels are arranged along the center circular array of the first circular hoop; the second semicircular plate is provided with a pneumatic mechanical pressure sensing switch used for controlling the opening and closing of the first fastening driving motor, the pneumatic mechanical pressure sensing switch is adjacent to the second fastening block, and the pneumatic mechanical pressure sensing switch comprises a rigid pressure wheel extending into the first circular hoop structure;
the outer side of the first semicircular plate is fixedly connected with a first hoisting cross rod along the radial direction, the outer side of the second semicircular plate is fixedly connected with a second hoisting cross rod along the radial direction, the outer end of the first hoisting cross rod is rotatably provided with a first fixed pulley, and the outer end of the second hoisting cross rod is rotatably provided with a second fixed pulley;
the supporting frame comprises a third semicircular plate and a fourth semicircular plate, a third mounting block is arranged on the outer side of one end of the third semicircular plate, a fourth mounting block is arranged on the outer side of one end of the fourth semicircular plate, the third mounting block and the fourth mounting block correspond to each other vertically and are hinged through a second pin shaft, a third fastening block is hinged on the outer side of the other end of the third semicircular plate, a fourth fastening block is hinged on the outer side of the other end of the fourth semicircular plate, the third fastening block and the fourth fastening block are connected through a second fastening stud, a second fastening driving motor is connected to the outer side of the third fastening block through a second connecting plate, and a main shaft of the second fastening driving motor is in coaxial transmission connection with the second fastening stud; a second circular hoop structure sleeved outside the cement pole is encircled between the third semicircular plate and the fourth semicircular plate; a layer of first anti-slip mat which is matched with the outer circumferential surface of the cement wire rod in a compression joint mode is arranged on the inner wall of the third semicircular plate and the inner wall of the fourth semicircular plate, a first inclined support rod is arranged between the outer side of the third semicircular plate and the bottom of the first hoisting cross rod, and a second inclined support rod is arranged between the outer side of the fourth semicircular plate and the bottom of the second hoisting cross rod;
a power output shaft of the motor speed reducer is in transmission connection with a power input shaft of a double-drum winch through an overload prevention coupling, and a first traction rope and a second traction rope are respectively wound on two drums of the double-drum winch; the positioning frame is rotatably provided with a third fixed pulley positioned under the first fixed pulley and a fourth fixed pulley positioned under the second fixed pulley, the traction end of the first traction rope sequentially bypasses the third fixed pulley and the first fixed pulley and is connected with a first hook, and the traction end of the second traction rope sequentially bypasses the fourth fixed pulley and the second fixed pulley and is connected with a second hook.
The positioning frame comprises a fifth semicircular plate and a sixth semicircular plate, a fifth mounting block is arranged on the outer side of one end of the fifth semicircular plate, a sixth mounting block is arranged on the outer side of one end of the sixth semicircular plate, the fifth mounting block and the sixth mounting block correspond to each other vertically and are hinged through a third pin shaft, a fifth fastening block is hinged on the outer side of the other end of the fifth semicircular plate, a sixth fastening block is hinged on the outer side of the other end of the sixth semicircular plate, the fifth fastening block and the sixth fastening block are connected through a third fastening stud, a third fastening driving motor is connected to the outer side of the fifth fastening block through a third connecting plate, and a main shaft of the third fastening driving motor is in coaxial transmission connection with the third fastening stud; a third circular hoop structure sleeved outside the cement pole is encircled between the fifth semicircular plate and the sixth semicircular plate; the inner walls of the fifth semicircular plate and the sixth semicircular plate are respectively provided with a layer of second anti-slip mat which is in compression joint with the outer circumferential surface of the cement pole, and the thickness of the second anti-slip mat is a structure with the thickness from top to bottom and the thickness gradually changing;
a first positioning rod of an L-shaped structure is horizontally connected to the outer side of the fifth semicircular plate, a third fixed pulley is rotatably arranged at the outer end of the first positioning rod, the third fixed pulley is adjacent to one side where the fifth mounting block and the sixth mounting block are located, and a first reinforcing plate is arranged between the outer side of the fifth semicircular plate and the first positioning rod; the outer side of the sixth semicircular plate is horizontally connected with a second positioning rod of an L-shaped structure, a fourth fixed pulley is rotatably arranged at the outer end of the second positioning rod, the fourth fixed pulley is adjacent to one side where a third fastening driving motor is located, and a second reinforcing plate is arranged between the outer side of the sixth semicircular plate and the second positioning rod.
The pneumatic mechanical pressure sensing switch comprises a cylinder body and a mounting box, wherein a mounting hole is formed in the second semicircular plate, the cylinder body penetrates through the mounting hole and is fixedly connected with the second semicircular plate, and the center line of the cylinder body is arranged along the radial direction of the second semicircular plate; the inner end and the outer end of the cylinder body are respectively provided with an inner blocking plate and an outer blocking plate, a cylindrical sliding block is arranged in the cylinder body in a sliding mode, the outer circumferential surface of the sliding block is provided with two sealing rings which are connected with the inner wall of the cylinder body in a sliding and sealing mode, the inner end face of the sliding block is coaxially connected with an inner connecting rod, an inner through hole is formed in the center of the inner blocking plate, the inner end of the inner connecting rod extends out of the cylinder body through the inner through hole, an annular gap is formed between the inner connecting rod and the inner through hole, and a rigid pressure wheel is rotatably arranged at the inner end of the inner connecting rod and is in surface contact with a cement line rod; the outer end face of the sliding block is coaxially and axially connected with an outer connecting rod, the mounting box is fixedly arranged on the outer side of the outer plugging plate, an outer through hole is formed in the center of the outer plugging plate and corresponds to the inner side wall of the mounting box, the outer end of the outer connecting rod extends into the mounting box through the outer through hole, a positive conductive plate and a negative conductive plate which are positioned on two sides of the outer connecting rod are arranged on the inner side wall of the mounting box, an elastic conductive plate is arranged on the outer end of the outer connecting rod, two sides of the elastic conductive plate can be respectively and electrically connected with the positive conductive plate and the negative conductive plate, the elastic conductive plate is positioned on the outer sides of the positive conductive plate and the negative conductive plate, and the positive conductive plate and the negative conductive plate are respectively connected with a lead which extends out of the mounting box and is connected with a first fastening driving motor and a power supply in series; the inner wall of the outer through hole is provided with a sealing ring which is in sliding and sealing fit with the outer connecting rod, and the side part of the cylinder body is provided with a valve inside near the outer through hole.
The overload-proof coupling comprises a first mounting disc, a second mounting disc and a spline shaft, wherein the left side surface of the first mounting disc is coaxially and fixedly connected with a power output shaft of a motor reducer, the right side surface of the second mounting disc is coaxially and fixedly connected with the left end of the spline shaft, the left end of a power input shaft of the double-drum winch is provided with a spline hole along the axis direction, the right end part of the spline shaft extends into and is assembled in the spline hole, a compression spring, a sliding disc and a fixed disc are sequentially sleeved on the power input shaft of the double-drum winch from left to right, an adjusting bolt is in threaded connection with the fixed disc, the left end of the adjusting bolt is in abutting fit with the right side surface of the sliding disc, the left end and the right end of the compression spring are respectively in abutting contact with the right side surface of the second mounting disc and the left side surface of the sliding disc, the right side surface of the first mounting disc is connected with a first friction disc through a first countersunk bolt, and the left side surface of the second mounting disc is connected with a second friction disc through a second countersunk bolt, the right side surface of the first friction disk and the left side surface of the second friction disk are friction surfaces, and the right side surface of the first friction disk and the left side surface of the second friction disk are in press fit; and at least six adjusting bolts, the first countersunk head bolts and the second countersunk head bolts are arranged along the central line of the spline shaft in a circular array.
The electric engineering vehicle is characterized by further comprising an electric engineering vehicle for carrying, hoisting and bearing the frame, a supporting frame, a positioning frame, a motor speed reducer and a double-drum winch, wherein the motor speed reducer and the double-drum winch are provided with the same base, and a rechargeable battery pack for supplying power to the motor speed reducer, the first fastening driving motor, the second fastening driving motor and the third fastening driving motor is arranged on the electric engineering vehicle.
The construction operation method of the distribution line cement pole lifter comprises the following steps:
(1) driving an electric engineering vehicle loaded with various parts of a distribution line cement pole lifter and a construction tool to be close to a cement pole to be constructed;
(2) clamping the hexagonal prism block on the first fastening stud by using a spanner, driving the first fastening stud to rotate to loosen the first fastening block and the second fastening block, and opening the first semicircular plate and the second semicircular plate to be sleeved on the lower part of the cement pole; connecting a valve inside by using an inflating device, inflating the cylinder body by using the valve inside, stopping inflating after inflating to a certain pressure, then clamping a hexagonal block on a first fastening stud by using a wrench, driving the first fastening stud to rotate and be in threaded connection with a first fastening block and a second fastening block, stopping screwing the hexagonal block after three rubber anti-skid lifting wheels are in contact with the circumferential surface of the cement pole and have a certain pressure, driving a sliding block and an inner connecting rod by using air pressure under the action of internal air pressure of the cylinder body to enable a rigid pressure wheel to be in jacking contact with the circumferential surface of the cement pole, and enabling two sides of the lower surface of an elastic conducting plate to have gaps with the outer sides of a positive conducting plate and a negative conducting plate;
starting a second fastening driving motor, driving a second fastening stud to rotate to loosen a third fastening block and a fourth fastening block, and opening a third semicircular plate and a fourth semicircular plate to be sleeved on the lower portion of the cement line rod; then a second fastening driving motor is started to rotate reversely, the second fastening stud is driven to rotate and is in threaded connection with a third fastening block and a fourth fastening block, and a second circular hoop is encircled between a third semicircular plate and a fourth semicircular plate, and a gap is reserved between the second circular hoop and the cement pole;
(3) then, winding the first traction rope on the first fixed pulley, and winding the second traction rope on the second fixed pulley; three lifting motors are started, the lifting motors drive the rubber anti-skidding lifting wheels to roll upwards along the cement line rod, the hoisting bearing frame and the supporting frame move upwards, the cement line rod is of a cylindrical structure with a certain taper in the upper thin part and the lower thick part, the rubber anti-skidding lifting wheels have certain elasticity, the distance between a first circular hoop sleeved outside the cement line rod and the circumferential surface of the cement line rod is increased by enclosing between a first semicircular plate and a second semicircular plate along with the upward movement of the rigid pressure wheel, the pressure between the three rubber anti-skidding lifting wheels and the cement line rod is reduced, the sliding block moves inwards along the inner wall of the cylinder under the action of gas pressure in the cylinder, the sliding block drives the elastic conducting piece at the outer end of the outer connecting rod to move inwards along the radial direction through the outer connecting rod, and two sides of the elastic conducting piece are respectively contacted with the outer side surfaces of the positive conducting plate and the negative conducting plate, the circuit where the first fastening driving motor is located is conducted, the first fastening driving motor is started, the first fastening driving motor drives the first fastening stud to rotate, the distance between the first fastening block and the second fastening block is reduced, so that the pressure between the three rubber anti-skidding lifting wheels and the cement wire rod is increased, the distance between the first circular hoop and the circumferential surface of the cement wire rod is reduced, the cylinder and the mounting box move along with the first circular hoop and the surface of the cement wire rod, the rigid pressure wheel moves outwards along the inner wall of the cylinder through the inner connecting rod, the outer connecting rod drives the elastic conducting plate to move outwards, the elastic conducting plate is separated from the outer side surfaces of the positive conducting plate and the negative conducting plate, and the first fastening driving motor stops; along with the upward movement of the rubber lifting wheel, the outer diameter of the cement line rod is gradually reduced, and the starting and stopping processes of the first fastening driving motor are repeated until the lifting bearing frame is lifted to the top end of the cement line rod;
(4) starting a second fastening driving motor, driving a second fastening stud to rotate by the second fastening driving motor so as to reduce the distance between a third fastening block and a fourth fastening block, stopping the second fastening driving motor until first anti-slip pads on the inner walls of a third semicircular plate and a fourth semicircular plate are in compression joint with the outer circumferential surface of the cement wire rod, and respectively supporting a first hoisting cross rod and a second hoisting cross rod by a first inclined support rod and a second inclined support rod;
(5) starting a third fastening driving motor, driving a third fastening stud to rotate to loosen a fifth fastening block and a sixth fastening block, opening a fifth semicircular plate and a sixth semicircular plate to be sleeved on the lower part of the cement line rod, enabling a third fixed pulley to be positioned below the first fixed pulley and enabling a fourth fixed pulley to be positioned below the second fixed pulley; then a second fastening driving motor is started to rotate reversely, and the third fastening driving motor drives a third fastening stud to rotate so that the distance between a fifth fastening block and a sixth fastening block is reduced until a second anti-skid pad on the inner wall of the fifth semicircular plate and the inner wall of the sixth semicircular plate is in compression joint fit with the outer circumferential surface of the cement pole, and then the third fastening driving motor is stopped;
(6) winding the first traction rope on the third fixed pulley, winding the second traction rope on the fourth fixed pulley, and fixing a motor reducer and a double-roller winch on the ground near the cement pole;
(7) the worker stands in the hanging basket, and the hanging basket is hitched to the first couple hook of first haulage rope, controls motor reducer drive twin drum hoist engine and upwards hangs the workman to the line pole top and pins first haulage rope, then hangs construction utensil and device on the second couple on the second haulage rope, controls motor reducer drive twin drum hoist engine and promotes construction utensil and device to cement line pole top, takes off by this workman and carries out construction installation operation.
In the step (7), when the weight of the device for hoisting the first traction rope and/or the second traction rope is particularly large, the first friction disc and the second friction disc in the overload prevention coupling slide relatively, so that the electric speed reducer is protected from being damaged.
By adopting the technical scheme, the invention has the following beneficial effects:
1. because set up the anti-overload coupling between motor reducer and drive twin drum hoist engine, the concrete principle of anti-overload coupling does: the elastic force of the compression spring enables friction surfaces of the first friction disc and the second friction disc to be in close contact, the spline shaft is matched with the spline hole to transfer torque, and the spline shaft can axially move in the spline hole; the sliding plate can be pressed tightly by screwing the adjusting bolt, and the sliding plate slides on the power input shaft of the double-roller winch to adjust the pressure between the sliding plate and the compression spring, so that the friction force between the first friction disc and the second friction disc is adjusted; when the friction surfaces of the first friction disc and the second friction disc are worn, the first countersunk head bolt and the second countersunk head bolt can be unscrewed to replace the first friction disc and the second friction disc. When the electric speed reducer is hoisted under heavy load, the first friction disc and the second friction disc can be ensured to slide relatively, and the electric speed reducer is protected from being damaged.
2. Along with the gradual thinning of the cement wire pole from bottom to top, a pneumatic mechanical pressure sensing switch is specially arranged for stabilizing the pressure between the rubber anti-skid lifting wheel and the wire pole, so that the lifting bearing frame can be ensured to respectively drive one rubber anti-skid lifting wheel to continuously move upwards along the wire pole by three lifting motors. The pneumatic mechanical pressure sensing switch adopts the distance between the air pressure control and the wire rod to achieve the effect of switching on and off the circuit where the first fastening driving motor is located, and has good operability.
3. Because first semicircle ring board and second semicircle ring board are the semicircle ring shape, first fastening piece and second fastening piece must produce the rotation of angle when expanding or reducing the distance through first fastening double-screw bolt, consequently set up first fastening piece and articulate with first semicircle ring board on purpose, second fastening piece and second semicircle ring board are articulated, avoid first fastening double-screw bolt to produce stress at the rotation in-process like this. In the same way, the third fastening block, the fourth fastening block, the fifth fastening block and the sixth fastening block all adopt the structure principle.
4. The setting of support frame, through the second fastening stud with the first slipmat of third semicircle ring and fourth semicircle intra-wall closely press the terminal rod periphery to because the terminal rod is thick structure thin from top to bottom, can play good support like this, avoid bearing the gliding and influence the security at hoist and mount in-process support frame and hoist and mount.
5. The second anti-slip pads on the inner walls of the fifth semicircular plate and the sixth semicircular plate are matched with the outer circumferential surface of the cement wire rod in a compression joint mode, the second anti-slip pads are arranged to be of a structure which is gradually transited from thick to thin, and therefore the tendency that the wire rod can slide upwards due to the fact that the structure is thick at the bottom and thin at the top is overcome. First locating lever and the second locating lever of L type structure on the locating rack are located the relative both sides of line pole respectively, and the distance of multiplicable first haulage rope and second haulage rope and line pole avoids first haulage rope and second haulage rope to twine like this.
6. The double-roller poplar that hangs heavily to use can fix subaerial or machineshop car according to the topography, and the hoist and mount bears the usable aluminum alloy material system of frame, support frame and locating rack to reduce weight, and from mechanical and circuit consideration install overload protection additional and overcurrent protection function, accomplish absolute safety, light and practical. After the work is finished, each component of the invention can be retracted and placed on a transport vehicle by adopting the reverse operation mode of the operation method, and the construction operation is carried out on the next line pole.
In conclusion, the construction method provided by the invention has the advantages that the constructors, tools and various materials are lifted to the operation point at the top of the wire pole, the labor intensity of field operation personnel for power grid construction can be greatly reduced, the health of workers in plateau areas is effectively protected, the construction efficiency is improved, the safety and the reliability are considered, and the first safe construction principle is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the hoisted loading carriage of FIG. 1;
FIG. 3 is a top view of the support bracket of FIG. 1;
FIG. 4 is a top view of the spacer of FIG. 1;
FIG. 5 is an enlarged view of the aero-mechanical pressure sensitive switch of FIG. 2;
fig. 6 is a schematic structural diagram of an overload prevention coupling between the motor reducer and the double-drum winch in fig. 1.
Detailed Description
As shown in fig. 1-6, the distribution line cement pole lifter comprises a hoisting bearing frame 1, a supporting frame 2, a positioning frame 3, a motor reducer 4 and a double-drum winch 5; the hoisting bearing frame 1 and the support frame 2 are both arranged at the upper end part of the cement wire rod 6, the support frame 2 is arranged below the hoisting bearing frame 1, the positioning frame 3 is arranged at the lower end part of the cement wire rod 6 above the ground, and the motor speed reducer 4 and the double-drum winch 5 are arranged on the bottom surface of one side of the cement wire rod 6.
The hoisting bearing frame 1 comprises a first semicircular plate 7 and a second semicircular plate 8, a first mounting block 9 is arranged on the outer side of one end of the first semicircular plate 7, a second mounting block is arranged on the outer side of one end of the second semicircular plate 8, the first mounting block 9 and the second mounting block correspond to each other up and down and are hinged through a first pin shaft 11, a first fastening block 12 is hinged on the outer side of the other end of the second semicircular plate 8, a second fastening block 13 is hinged on the outer side of the other end of the second semicircular plate 8, the first fastening block 12 and the second fastening block 13 are connected through a first fastening stud 14, a first fastening driving motor 16 is connected on the outer side of the first fastening block 12 through a first connecting plate 15, a main shaft of the first fastening driving motor 16 is coaxially and in transmission connection with the first fastening stud 14, and a six-prism block 17 adjacent to the first fastening driving motor 16 is arranged on the first fastening stud 14; a first circular hoop structure sleeved outside the cement pole 6 is enclosed between the first semicircular plate 7 and the second semicircular plate 8; the inner wall of the first circular hoop is provided with three lifting motors 18, a main shaft of each lifting motor 18 is provided with a rubber anti-skid lifting wheel 19 which is matched with the outer circumferential surface of the cement pole 6 in a rolling and pressing way, and the three rubber anti-skid lifting wheels 19 are arranged along the central circular array of the first circular hoop; the second semicircular ring plate 8 is provided with a pneumatic mechanical pressure sensing switch 20 used for controlling the opening and closing of the first fastening driving motor 16, the pneumatic mechanical pressure sensing switch 20 is adjacent to the second fastening block 13, and the pneumatic mechanical pressure sensing switch 20 comprises a rigid pressure wheel 21 extending into the first circular hoop structure.
The outer side of the first semicircular plate 7 is fixedly connected with a first hoisting cross rod 22 along the radial direction, the outer side of the second semicircular plate 8 is fixedly connected with a second hoisting cross rod 23 along the radial direction, a first fixed pulley 24 is rotatably arranged at the outer end of the first hoisting cross rod 22, and a second fixed pulley 25 is rotatably arranged at the outer end of the second hoisting cross rod 23.
The support frame 2 comprises a third semicircular plate 26 and a fourth semicircular plate 27, a third mounting block 28 is arranged on the outer side of one end of the third semicircular plate 26, a fourth mounting block is arranged on the outer side of one end of the fourth semicircular plate 27, the third mounting block 28 and the fourth mounting block correspond to each other up and down and are hinged through a second pin shaft 30, a third fastening block 31 is hinged on the outer side of the other end of the third semicircular plate 26, a fourth fastening block 32 is hinged on the outer side of the other end of the fourth semicircular plate 27, the third fastening block 31 and the fourth fastening block 32 are connected through a second fastening stud 33, a second fastening driving motor 35 is connected on the outer side of the third fastening block 31 through a second connecting plate 34, and a main shaft of the second fastening driving motor 35 is coaxially and drivingly connected with the second fastening stud 33; a second circular hoop structure sleeved outside the cement pole 6 is encircled between the third semicircular plate 26 and the fourth semicircular plate 27; the inner wall of the third semicircular plate 26 and the inner wall of the fourth semicircular plate 27 are both provided with a layer of first anti-slip mat 36 which is in compression joint with the outer circumferential surface of the cement wire rod 6, a first inclined supporting rod 37 is arranged between the outer side of the third semicircular plate 26 and the bottom of the first hoisting cross rod 22, and a second inclined supporting rod 38 is arranged between the outer side of the fourth semicircular plate 27 and the bottom of the second hoisting cross rod 23.
A power output shaft 39 of the motor speed reducer 4 is in transmission connection with a power input shaft 41 of the double-drum winch 5 through an overload prevention coupling, and a first traction rope 42 and a second traction rope 43 are respectively wound on two drums of the double-drum winch 5; the positioning frame 3 is provided with a third fixed pulley 44 positioned under the first fixed pulley 24 and a fourth fixed pulley 45 positioned under the second fixed pulley 25 in a rotating mode, the traction end of the first traction rope 42 sequentially rounds the third fixed pulley 44 and the first fixed pulley 24 and then is connected with a first hook 46, and the traction end of the second traction rope 43 sequentially rounds the fourth fixed pulley 45 and the second fixed pulley 25 and then is connected with a second hook 47.
The positioning frame 3 comprises a fifth semicircular plate 48 and a sixth semicircular plate 49, a fifth mounting block 50 is arranged on the outer side of one end of the fifth semicircular plate 48, a sixth mounting block is arranged on the outer side of one end of the sixth semicircular plate 49, the fifth mounting block 50 and the sixth mounting block are vertically corresponding and hinged through a third pin shaft 52, a fifth fastening block 53 is hinged on the outer side of the other end of the fifth semicircular plate 48, a sixth fastening block 54 is hinged on the outer side of the other end of the sixth semicircular plate 49, the fifth fastening block 53 and the sixth fastening block 54 are connected through a third fastening stud 55, a third fastening driving motor 57 is connected on the outer side of the fifth fastening block 53 through a third connecting plate 56, and a main shaft of the third fastening driving motor 57 is coaxially and drivingly connected with the third fastening stud 55; a third circular hoop structure sleeved outside the cement pole 6 is encircled between the fifth semicircular plate 48 and the sixth semicircular plate 49; the inner wall of the fifth semicircular plate 48 and the inner wall of the sixth semicircular plate 49 are both provided with a layer of second anti-slip mat 58 which is in compression joint with the outer circumferential surface of the cement pole 6, and the thickness of the second anti-slip mat 58 is a structure with the thickness from top to bottom gradually changing.
A first positioning rod 59 of an L-shaped structure is horizontally connected to the outer side of the fifth semicircular plate 48, the third fixed pulley 44 is rotatably arranged at the outer end of the first positioning rod 59, the third fixed pulley 44 is adjacent to one side where the fifth mounting block 50 and the sixth mounting block are located, and a first reinforcing plate 60 is arranged between the outer side of the fifth semicircular plate 48 and the first positioning rod 59; the outer side of the sixth semicircular plate 49 is horizontally connected with a second positioning rod 61 with an L-shaped structure, the fourth fixed pulley 45 is rotatably arranged at the outer end of the second positioning rod 61, the fourth fixed pulley 45 is adjacent to one side where the third fastening driving motor 57 is located, and a second reinforcing plate 62 is arranged between the outer side of the sixth semicircular plate 49 and the second positioning rod 61.
The pneumatic mechanical pressure sensing switch 20 comprises a cylinder 63 and a mounting box 64, a mounting hole is formed in the second semicircular plate 8, the cylinder 63 penetrates through the mounting hole and is fixedly connected with the second semicircular plate 8, and the center line of the cylinder 63 is arranged along the radial direction of the second semicircular plate 8; an inner blocking plate 65 and an outer blocking plate 66 are respectively arranged at the inner end and the outer end of the cylinder 63, a cylindrical sliding block 67 is arranged in the cylinder 63 in a sliding manner, two sealing rings 68 which are connected with the inner wall of the cylinder 63 in a sliding and sealing manner are arranged on the outer circumferential surface of the sliding block 67, an inner connecting rod 69 is coaxially connected with the inner end surface of the sliding block 67, an inner through hole is formed in the center of the inner blocking plate 65, the inner end of the inner connecting rod 69 extends out of the cylinder 63 through the inner through hole, an annular gap is formed between the inner connecting rod 69 and the inner through hole, and the rigid pressure wheel 21 is rotatably arranged at the inner end of the inner connecting rod 69 and is in surface contact with the cement pole 6; the outer end face of the sliding block 67 is coaxially connected with an outer connecting rod 70, the mounting box 64 is fixedly arranged on the outer side of the outer blocking plate 66, the center of the outer blocking plate 66 and the corresponding position of the inner side wall of the mounting box 64 are provided with outer through holes, the outer end of the outer connecting rod 70 extends into the mounting box 64 through the outer through holes, the inner side wall of the mounting box 64 is provided with a positive conductive plate 71 and a negative conductive plate 72 which are positioned on two sides of the outer connecting rod 70, the outer end of the outer connecting rod 70 is provided with an elastic conductive plate 73, two sides of the elastic conductive plate 73 can be respectively and electrically connected with the positive conductive plate 71 and the negative conductive plate 72, the positive conductive plate 71 and the negative conductive plate 72 are respectively connected with a lead 74 which extends out of the mounting box 64 and is connected with the first fastening driving motor 16 and the power supply in series; the inner wall of the outer bore is provided with a sealing ring 75 which is in sliding and sealing engagement with the outer connecting rod 70, and the side of the cylinder 63 adjacent the outer bore is provided with a valve core 76.
The overload prevention coupling comprises a first mounting disc 77, a second mounting disc 78 and a spline shaft 79, the left side surface of the first mounting disc 77 is coaxially and fixedly connected with the power output shaft 39 of the motor reducer 4, the right side surface of the second mounting disc 78 is coaxially and fixedly connected with the left end of the spline shaft 79, the left end of the power input shaft 41 of the double-drum winch 5 is provided with a spline hole 80 along the axial direction, the right end of the spline shaft 79 extends into and is assembled in the spline hole 80, the power input shaft 41 of the double-drum winch 5 is sequentially sleeved with a compression spring 81, a sliding disc 82 and a fixed disc 83 from left to right, the fixed disc 83 is in threaded connection with an adjusting bolt 84, the left end of the adjusting bolt 84 is in abutting fit with the right side surface of the sliding disc 82, the left end and the right end of the compression spring 81 are respectively in abutting contact with the right side surface of the second mounting disc 78 and the left side surface of the sliding disc 82, the right side surface of the first mounting disc 77 is connected with a first friction disc 86 through a first countersunk bolt 85, a second friction disk 88 is attached to the left side surface of the second mounting plate 78 via a second countersunk head bolt 87, the right side surface of the first friction disk 86 and the left side surface of the second friction disk 88 are friction surfaces, and the right side surface of the first friction disk 86 and the left side surface of the second friction disk 88 are press-fitted; the adjusting bolts 84, the first countersunk bolts 85, and the second countersunk bolts 87 are each arranged at least six in a circular array along the center line of the spline shaft 79.
The invention also comprises an electric engineering vehicle 90 for carrying and hoisting the bearing frame 1, the supporting frame 2, the positioning frame 3, the motor reducer 4 and the double-roller winch 5, wherein the motor reducer 4 and the double-roller winch 5 are provided with a same base 89, and a rechargeable battery pack (not shown in the figure) for supplying power to the motor reducer 4, the first fastening driving motor 16, the second fastening driving motor 35 and the third fastening driving motor 57 is arranged on the electric engineering vehicle 90.
The construction operation method of the distribution line cement pole lifter comprises the following steps:
(1) driving an electric power engineering vehicle 90 loaded with various parts of a distribution line cement pole lifter and construction tools to the vicinity of a cement pole 6 to be constructed;
(2) clamping a hexagonal prism block 17 on a first fastening stud 14 by using a spanner, driving the first fastening stud 14 to rotate to loosen a first fastening block 12 and a second fastening block 13, and opening a first semicircular plate 7 and a second semicircular plate 8 to be sleeved on the lower part of a cement pole 6; connecting a valve core 76 by using an inflating device, inflating the cylinder 63 by the valve core 76, stopping inflating after inflating to a certain pressure, then clamping the hexagonal block 17 on the first fastening stud 14 by using a wrench, driving the first fastening stud 14 to rotate and be in threaded connection with the first fastening block 12 and the second fastening block 13, enabling the three rubber anti-skidding lifting wheels 19 to be in contact with the circumferential surface of the cement wire rod 6 and to have a certain pressure, and then stopping screwing the hexagonal block 17, driving the slide block 67 and the inner connecting rod 69 by using air pressure to enable the rigid pressure wheel 21 to be in abutting contact with the circumferential surface of the cement wire rod 6 under the action of the air pressure in the cylinder 63, and enabling two sides of the lower surface of the elastic conducting sheet 73 to have gaps with the outer sides of the positive conducting sheet 71 and the negative conducting sheet 72 at the moment;
starting a second fastening driving motor 35, driving a second fastening stud 33 to rotate to loosen a third fastening block 31 and a fourth fastening block 32, and opening a third semicircular plate 26 and a fourth semicircular plate 27 to be sleeved on the lower part of the cement pole 6; then, the second fastening driving motor 35 is started to rotate reversely, the second fastening stud 33 is driven to rotate and is in threaded connection with the third fastening block 31 and the fourth fastening block 32, and a gap is formed between the third semicircular plate 26 and the fourth semicircular plate 27 and between the second circular hoop and the cement pole 6;
(3) then the first traction rope 42 is wound on the first fixed pulley 24, and the second traction rope 43 is wound on the second fixed pulley 25; three lifting motors 18 are started, the lifting motors 18 drive the rubber anti-skid lifting wheels 19 to roll upwards along the cement pole, the hoisting bearing frame 1 and the supporting frame 2 move upwards along with the cement pole, as the cement pole 6 is in a cylindrical structure with a certain taper of thin upper part and thick lower part and the rubber anti-skid lifting wheels 19 have certain elasticity, along with the upward movement of the rigid pressure wheel 21, the distance between the first circular hoop sleeved outside the cement pole 6 and the circumferential surface of the cement pole 6 surrounded by the first semicircular ring plate 7 and the second semicircular ring plate 8 is increased, the pressure between the three rubber anti-skid lifting wheels 19 and the cement pole 6 is reduced, under the action of the gas pressure in the cylinder 63, the slide block 67 moves inwards along the inner wall of the cylinder 63, the slide block 67 drives the elastic conducting strips 73 at the outer end of the outer connecting rod 70 to move inwards along the radial direction through the outer connecting rod 70, and two sides of the elastic conducting strips 73 are respectively contacted with the outer side surfaces of the positive conducting strips 71 and the negative conducting strips 72, the circuit where the first fastening driving motor 16 is located is conducted, the first fastening driving motor 16 is started, the first fastening driving motor 16 drives the first fastening stud 14 to rotate, the distance between the first fastening block 12 and the second fastening block 13 is reduced, so that the pressure between the three rubber anti-skidding lifting wheels 19 and the cement pole 6 is increased, the distance between the first circular hoop and the circumferential surface of the cement pole 6 is reduced, the cylinder 63 and the mounting box 64 also move along with the first circular hoop and the surface of the cement pole 6, the rigid pressure wheel 21 drives the sliding block 67 to move outwards along the inner wall of the cylinder 63 through the inner connecting rod 69, the outer connecting rod 70 drives the elastic conducting strip 73 to move outwards, the elastic conducting strip 73 is separated from the outer side surfaces of the positive conducting plate 71 and the negative conducting plate 72, and the first fastening driving motor 16 stops; with the upward movement of the rubber lifting wheel and the gradual reduction of the outer diameter of the cement line rod 6, repeating the starting and stopping processes of the first fastening driving motor 16 until the hoisting bearing frame 1 is lifted to the top end of the cement line rod 6;
(4) starting a second fastening driving motor 35, wherein the second fastening driving motor 35 drives a second fastening stud 33 to rotate so as to reduce the distance between the third fastening block 31 and the fourth fastening block 32, the second fastening driving motor 35 is stopped after a first anti-slip mat 36 on the inner wall of the third semicircular plate 26 and the inner wall of the fourth semicircular plate 27 are in press fit with the outer circumferential surface of the cement pole 6, and the first inclined stay bar 37 and the second inclined stay bar 38 respectively support the first hoisting cross bar 22 and the second hoisting cross bar 23;
(5) starting a third fastening driving motor 57, driving a third fastening stud 55 to rotate to loosen a fifth fastening block 53 and a sixth fastening block 54, opening a fifth semicircular plate 48 and a sixth semicircular plate 49 to be sleeved on the lower part of the cement line rod 6, enabling a third fixed pulley 44 to be positioned below the first fixed pulley 24, and enabling a fourth fixed pulley 45 to be positioned below the second fixed pulley 25; then the second fastening driving motor 35 is started to rotate reversely, the third fastening driving motor 57 drives the third fastening stud 55 to rotate, so that the distance between the fifth fastening block 53 and the sixth fastening block 54 is reduced, and the third fastening driving motor 57 is stopped until the second anti-slip pads 58 on the inner walls of the fifth semicircular plate 48 and the sixth semicircular plate 49 are in compression joint with the outer circumferential surface of the cement pole 6;
(6) winding the first traction rope 42 on a third fixed pulley 44, winding the second traction rope 43 on a fourth fixed pulley 45, and then fixing the motor speed reducer 4 and the double-drum winch 5 on the ground near the cement pole;
(7) the worker stands in the hanging basket, the hanging basket is hooked by a first hook 46 of the first traction rope 42, the motor reducer 4 is controlled to drive the double-roller winch 5 to lift the worker to the top of the wire rod and lock the first traction rope, then the construction tool and the device are hung on a second hook 47 on the second traction rope 43, the motor reducer 4 is controlled to drive the double-roller winch 5 to lift the construction tool and the device to the top of the cement wire rod 6, and the worker takes down the construction tool and the device to perform construction and installation operation.
When the weight of the device for hoisting the first traction rope 42 and/or the second traction rope 43 is particularly large in the step (7), the first friction disc 86 and the second friction disc 88 in the overload prevention coupling slide relatively, so that the electric speed reducer is protected from being damaged.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (5)
1. Distribution lines cement line pole lift, its characterized in that: the device comprises a hoisting bearing frame, a supporting frame, a positioning frame, a motor reducer and a double-roller winch; the hoisting bearing frame and the support frame are arranged at the upper end part of the cement wire pole, the support frame is arranged below the hoisting bearing frame, the positioning frame is arranged at the lower end part of the cement wire pole above the ground, and the motor speed reducer and the double-drum winch are arranged on the bottom surface of one side of the cement wire pole;
the hoisting bearing frame comprises a first semicircular plate and a second semicircular plate, a first mounting block is arranged on the outer side of one end of the first semicircular plate, a second mounting block is arranged on the outer side of one end of the second semicircular plate, the first mounting block and the second mounting block correspond to each other vertically and are hinged through a first pin shaft, a first fastening block is hinged on the outer side of the other end of the second semicircular plate, a second fastening block is hinged on the outer side of the other end of the second semicircular plate, the first fastening block and the second fastening block are connected through a first fastening bolt, a first fastening driving motor is connected to the outer side of the first fastening block through a first connecting plate, a main shaft of the first fastening driving motor is in coaxial transmission connection with the first fastening bolt, and a six-prism block adjacent to the first fastening driving motor is arranged on the first fastening bolt; a first circular hoop structure sleeved outside the cement pole is encircled between the first semicircular plate and the second semicircular plate; the inner wall of the first circular hoop is provided with three lifting motors, a main shaft of each lifting motor is provided with a rubber anti-skid lifting wheel which is matched with the outer circumferential surface of the cement pole in a rolling and pressing way, and the three rubber anti-skid lifting wheels are arranged along the center circular array of the first circular hoop; the second semicircular plate is provided with a pneumatic mechanical pressure sensing switch used for controlling the opening and closing of the first fastening driving motor, the pneumatic mechanical pressure sensing switch is adjacent to the second fastening block, and the pneumatic mechanical pressure sensing switch comprises a rigid pressure wheel extending into the first circular hoop structure;
the outer side of the first semicircular plate is fixedly connected with a first hoisting cross rod along the radial direction, the outer side of the second semicircular plate is fixedly connected with a second hoisting cross rod along the radial direction, the outer end of the first hoisting cross rod is rotatably provided with a first fixed pulley, and the outer end of the second hoisting cross rod is rotatably provided with a second fixed pulley;
the supporting frame comprises a third semicircular plate and a fourth semicircular plate, a third mounting block is arranged on the outer side of one end of the third semicircular plate, a fourth mounting block is arranged on the outer side of one end of the fourth semicircular plate, the third mounting block and the fourth mounting block correspond to each other vertically and are hinged through a second pin shaft, a third fastening block is hinged on the outer side of the other end of the third semicircular plate, a fourth fastening block is hinged on the outer side of the other end of the fourth semicircular plate, the third fastening block and the fourth fastening block are connected through a second fastening stud, a second fastening driving motor is connected to the outer side of the third fastening block through a second connecting plate, and a main shaft of the second fastening driving motor is in coaxial transmission connection with the second fastening stud; a second circular hoop structure sleeved outside the cement pole is encircled between the third semicircular plate and the fourth semicircular plate; a layer of first anti-slip mat which is matched with the outer circumferential surface of the cement wire rod in a compression joint mode is arranged on the inner wall of the third semicircular plate and the inner wall of the fourth semicircular plate, a first inclined support rod is arranged between the outer side of the third semicircular plate and the bottom of the first hoisting cross rod, and a second inclined support rod is arranged between the outer side of the fourth semicircular plate and the bottom of the second hoisting cross rod;
a power output shaft of the motor reducer is in transmission connection with a power input shaft of a double-drum winch through an anti-overload coupler, and a first traction rope and a second traction rope are respectively wound on two drums of the double-drum winch; a third fixed pulley positioned right below the first fixed pulley and a fourth fixed pulley positioned right below the second fixed pulley are rotatably arranged on the positioning frame, the traction end of the first traction rope sequentially rounds the third fixed pulley and the first fixed pulley and then is connected with a first hook, and the traction end of the second traction rope sequentially rounds the fourth fixed pulley and the second fixed pulley and then is connected with a second hook;
the positioning frame comprises a fifth semicircular plate and a sixth semicircular plate, a fifth mounting block is arranged on the outer side of one end of the fifth semicircular plate, a sixth mounting block is arranged on the outer side of one end of the sixth semicircular plate, the fifth mounting block and the sixth mounting block correspond to each other vertically and are hinged through a third pin shaft, a fifth fastening block is hinged on the outer side of the other end of the fifth semicircular plate, a sixth fastening block is hinged on the outer side of the other end of the sixth semicircular plate, the fifth fastening block and the sixth fastening block are connected through a third fastening stud, a third fastening driving motor is connected to the outer side of the fifth fastening block through a third connecting plate, and a main shaft of the third fastening driving motor is in coaxial transmission connection with the third fastening stud; a third circular hoop structure sleeved outside the cement pole is encircled between the fifth semicircular plate and the sixth semicircular plate; the inner walls of the fifth semicircular plate and the sixth semicircular plate are respectively provided with a layer of second anti-slip mat which is in compression joint with the outer circumferential surface of the cement pole, and the thickness of the second anti-slip mat is a structure with the thickness from top to bottom and the thickness gradually changing;
a first positioning rod of an L-shaped structure is horizontally connected to the outer side of the fifth semicircular plate, a third fixed pulley is rotatably arranged at the outer end of the first positioning rod, the third fixed pulley is adjacent to one side where the fifth mounting block and the sixth mounting block are located, and a first reinforcing plate is arranged between the outer side of the fifth semicircular plate and the first positioning rod; a second positioning rod of an L-shaped structure is horizontally connected to the outer side of the sixth semicircular plate, a fourth fixed pulley is rotatably arranged at the outer end of the second positioning rod, the fourth fixed pulley is adjacent to one side where a third fastening driving motor is located, and a second reinforcing plate is arranged between the outer side of the sixth semicircular plate and the second positioning rod;
the pneumatic mechanical pressure sensing switch comprises a cylinder body and a mounting box, wherein a mounting hole is formed in the second semicircular plate, the cylinder body penetrates through the mounting hole and is fixedly connected with the second semicircular plate, and the center line of the cylinder body is arranged along the radial direction of the second semicircular plate; the inner end and the outer end of the cylinder body are respectively provided with an inner blocking plate and an outer blocking plate, a cylindrical sliding block is arranged in the cylinder body in a sliding mode, the outer circumferential surface of the sliding block is provided with two sealing rings which are connected with the inner wall of the cylinder body in a sliding and sealing mode, the inner end face of the sliding block is coaxially connected with an inner connecting rod, an inner through hole is formed in the center of the inner blocking plate, the inner end of the inner connecting rod extends out of the cylinder body through the inner through hole, an annular gap is formed between the inner connecting rod and the inner through hole, and a rigid pressure wheel is rotatably arranged at the inner end of the inner connecting rod and is in contact with the surface of the cement wire rod; the outer end face of the sliding block is coaxially and axially connected with an outer connecting rod, the mounting box is fixedly arranged on the outer side of the outer plugging plate, an outer through hole is formed in the center of the outer plugging plate and corresponds to the inner side wall of the mounting box, the outer end of the outer connecting rod extends into the mounting box through the outer through hole, a positive conductive plate and a negative conductive plate which are positioned on two sides of the outer connecting rod are arranged on the inner side wall of the mounting box, an elastic conductive plate is arranged on the outer end of the outer connecting rod, two sides of the elastic conductive plate can be respectively and electrically connected with the positive conductive plate and the negative conductive plate, the elastic conductive plate is positioned on the outer sides of the positive conductive plate and the negative conductive plate, and the positive conductive plate and the negative conductive plate are respectively connected with a lead which extends out of the mounting box and is connected with a first fastening driving motor and a power supply in series; the inner wall of the outer through hole is provided with a sealing ring which is in sliding and sealing fit with the outer connecting rod, and the side part of the cylinder body is provided with a valve inside near the outer through hole.
2. The distribution line concrete pole lift of claim 1, wherein: the overload-proof coupling comprises a first mounting disc, a second mounting disc and a spline shaft, wherein the left side surface of the first mounting disc is coaxially and fixedly connected with a power output shaft of a motor reducer, the right side surface of the second mounting disc is coaxially and fixedly connected with the left end of the spline shaft, the left end of a power input shaft of the double-drum winch is provided with a spline hole along the axis direction, the right end part of the spline shaft extends into and is assembled in the spline hole, a compression spring, a sliding disc and a fixed disc are sequentially sleeved on the power input shaft of the double-drum winch from left to right, an adjusting bolt is in threaded connection with the fixed disc, the left end of the adjusting bolt is in abutting fit with the right side surface of the sliding disc, the left end and the right end of the compression spring are respectively in abutting contact with the right side surface of the second mounting disc and the left side surface of the sliding disc, the right side surface of the first mounting disc is connected with a first friction disc through a first countersunk bolt, and the left side surface of the second mounting disc is connected with a second friction disc through a second countersunk bolt, the right side surface of the first friction disk and the left side surface of the second friction disk are friction surfaces, and the right side surface of the first friction disk and the left side surface of the second friction disk are in press fit; and at least six adjusting bolts, the first countersunk head bolts and the second countersunk head bolts are arranged along the central line of the spline shaft in a circular array.
3. The distribution line cement pole lift of claim 2, wherein: the electric engineering vehicle is characterized by further comprising an electric engineering vehicle for carrying, hoisting and bearing the frame, a supporting frame, a positioning frame, a motor speed reducer and a double-roller winch, wherein the motor speed reducer and the double-roller winch are provided with the same base, and a rechargeable battery pack for supplying power to the motor speed reducer, the first fastening driving motor, the second fastening driving motor and the third fastening driving motor is arranged on the electric engineering vehicle.
4. The method of operating a distribution line concrete pole lift according to claim 3, wherein: the method comprises the following steps:
(1) driving an electric engineering vehicle loaded with various parts of a distribution line cement pole lifter and a construction tool to be close to a cement pole to be constructed;
(2) clamping the hexagonal prism block on the first fastening stud by using a spanner, driving the first fastening stud to rotate to loosen the first fastening block and the second fastening block, and opening the first semicircular plate and the second semicircular plate to be sleeved on the lower part of the cement pole; connecting a valve inside by using an inflating device, inflating the cylinder body through the valve inside, stopping inflating after inflating to a certain pressure, then clamping a hexagonal block on a first fastening stud by using a wrench, driving the first fastening stud to rotate, and both the first fastening stud and a second fastening block are in threaded connection, so that three rubber anti-skidding lifting wheels are in contact with the circumferential surface of the cement pole, and stopping screwing the hexagonal block after having a certain pressure;
starting a second fastening driving motor, driving a second fastening stud to rotate to loosen a third fastening block and a fourth fastening block, and opening a third semicircular plate and a fourth semicircular plate to be sleeved on the lower portion of the cement line rod; then a second fastening driving motor is started to rotate reversely, the second fastening stud is driven to rotate and is in threaded connection with a third fastening block and a fourth fastening block, and a second circular hoop is encircled between a third semicircular plate and a fourth semicircular plate, and a gap is reserved between the second circular hoop and the cement pole;
(3) then, winding the first traction rope on the first fixed pulley, and winding the second traction rope on the second fixed pulley; three lifting motors are started, the lifting motors drive the rubber anti-skid lifting wheels to roll upwards along the cement wire rod, the hoisting bearing frame and the supporting frame move upwards along with the cement wire rod, the cement wire rod is of a cylindrical structure with a certain taper in a thin upper part and a thick lower part, the rubber anti-skid lifting wheels have certain elasticity, the distance between a first circular hoop sleeved outside the cement wire rod and the circumferential surface of the cement wire rod is increased by the encircling between a first semicircular ring plate and a second semicircular ring plate along with the upward movement of the rigid pressure wheel, the pressure between the three rubber anti-skid lifting wheels and the cement wire rod is reduced, the sliding block moves inwards along the inner wall of the cylinder under the action of the gas pressure in the cylinder, the sliding block drives the elastic conducting pieces at the outer end of the outer connecting rod to move inwards along the radial direction through the outer connecting rod, and the two sides of the elastic conducting pieces are respectively contacted with the outer side surfaces of the positive conducting plate and the negative conducting plate, the circuit where the first fastening driving motor is located is conducted, the first fastening driving motor is started, the first fastening driving motor drives the first fastening stud to rotate, the distance between the first fastening block and the second fastening block is reduced, so that the pressure between the three rubber anti-skidding lifting wheels and the cement wire rod is increased, the distance between the first circular hoop and the circumferential surface of the cement wire rod is reduced, the cylinder and the mounting box move along with the first circular hoop and the surface of the cement wire rod, the rigid pressure wheel moves outwards along the inner wall of the cylinder through the inner connecting rod, the outer connecting rod drives the elastic conducting plate to move outwards, the elastic conducting plate is separated from the outer side surfaces of the positive conducting plate and the negative conducting plate, and the first fastening driving motor stops; along with the upward movement of the rubber lifting wheel, the outer diameter of the cement line rod is gradually reduced, and the starting and stopping processes of the first fastening driving motor are repeated until the lifting bearing frame is lifted to the top end of the cement line rod;
(4) starting a second fastening driving motor, driving a second fastening stud to rotate by the second fastening driving motor so as to reduce the distance between a third fastening block and a fourth fastening block, stopping the second fastening driving motor until first anti-slip pads on the inner walls of a third semicircular plate and a fourth semicircular plate are in compression joint with the outer circumferential surface of the cement wire rod, and respectively supporting a first hoisting cross rod and a second hoisting cross rod by a first inclined support rod and a second inclined support rod;
(5) starting a third fastening driving motor, driving a third fastening stud to rotate to loosen a fifth fastening block and a sixth fastening block, opening a fifth semicircular plate and a sixth semicircular plate to be sleeved on the lower part of the cement line rod, enabling a third fixed pulley to be positioned below the first fixed pulley and enabling a fourth fixed pulley to be positioned below the second fixed pulley; then a second fastening driving motor is started to rotate reversely, the third fastening driving motor drives a third fastening stud to rotate, so that the distance between a fifth fastening block and a sixth fastening block is shortened, and the third fastening driving motor is stopped until a second anti-skid pad on the inner wall of the fifth semicircular plate and the inner wall of the sixth semicircular plate are in compression joint with the outer circumferential surface of the cement pole;
(6) winding the first traction rope on the third fixed pulley, winding the second traction rope on the fourth fixed pulley, and fixing a motor reducer and a double-roller winch on the ground near the cement pole;
(7) the worker stands in the hanging basket, and the hanging basket is hitched to the first couple hook of first haulage rope, controls motor reducer drive twin drum hoist engine and upwards hangs the workman to the line pole top and pins first haulage rope, then hangs construction utensil and device on the second couple on the second haulage rope, controls motor reducer drive twin drum hoist engine and promotes construction utensil and device to cement line pole top, takes off by this workman and carries out construction installation operation.
5. The construction work method according to claim 4, wherein: in the step (7), when the weight of the device for hoisting the first traction rope and/or the second traction rope is particularly large, the first friction disc and the second friction disc in the overload prevention coupling slide relatively, so that the electric speed reducer is protected from being damaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611267581.0A CN106698276B (en) | 2016-12-31 | 2016-12-31 | Cement pole lifter for distribution line and construction operation method thereof |
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| CN201611267581.0A CN106698276B (en) | 2016-12-31 | 2016-12-31 | Cement pole lifter for distribution line and construction operation method thereof |
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| CN106698276A CN106698276A (en) | 2017-05-24 |
| CN106698276B true CN106698276B (en) | 2022-05-06 |
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| CN107859416B (en) * | 2017-10-23 | 2019-06-25 | 国网浙江省电力公司嘉兴供电公司 | A kind of cross-arm installation exercise ancillary equipment and its working method |
| CN114485362B (en) * | 2021-12-22 | 2022-08-12 | 迁安汇科复合材料有限公司 | Tower detection equipment and tower detection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5533593A (en) * | 1994-10-12 | 1996-07-09 | Huang; Andy C.-P. | Mobile lifter |
| CN201473229U (en) * | 2009-08-28 | 2010-05-19 | 中国葛洲坝集团股份有限公司 | Mobile lamp post assembling device |
| CN203946016U (en) * | 2014-06-26 | 2014-11-19 | 国家电网公司 | A kind of cement pole trailing device |
| CN105502223A (en) * | 2016-01-29 | 2016-04-20 | 国网山东省电力公司济阳县供电公司 | High-altitude working platform for line construction |
| CN206666049U (en) * | 2016-12-31 | 2017-11-24 | 李建设 | Distribution line cement pole lift |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2803886C (en) * | 2010-06-25 | 2018-08-07 | Phillip M. Schmidt | Fluid-actuated telescoping tower for supporting heavy loads |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5533593A (en) * | 1994-10-12 | 1996-07-09 | Huang; Andy C.-P. | Mobile lifter |
| CN201473229U (en) * | 2009-08-28 | 2010-05-19 | 中国葛洲坝集团股份有限公司 | Mobile lamp post assembling device |
| CN203946016U (en) * | 2014-06-26 | 2014-11-19 | 国家电网公司 | A kind of cement pole trailing device |
| CN105502223A (en) * | 2016-01-29 | 2016-04-20 | 国网山东省电力公司济阳县供电公司 | High-altitude working platform for line construction |
| CN206666049U (en) * | 2016-12-31 | 2017-11-24 | 李建设 | Distribution line cement pole lift |
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