CN104310242A - Three-cable-group tower crane - Google Patents
Three-cable-group tower crane Download PDFInfo
- Publication number
- CN104310242A CN104310242A CN201410622086.1A CN201410622086A CN104310242A CN 104310242 A CN104310242 A CN 104310242A CN 201410622086 A CN201410622086 A CN 201410622086A CN 104310242 A CN104310242 A CN 104310242A
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- Prior art keywords
- wire guide
- underframe
- guide roller
- roller group
- group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/26—Rope, cable, or chain winding mechanisms; Capstans having several drums or barrels
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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
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
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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
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/344—Arrangements for lifting tower sections for placing additional sections under them
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Paving Machines (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a three-cable-group tower crane which comprises a bottom frame, wherein a left tail frame and a right tail frame are hinged at the rear end of the bottom frame; a left rope disc and a right rope disc are mounted on the left tail frame and the right tail frame respectively, a power device is arranged at the rear part of the bottom frame, a winch is arranged in the middle of the bottom frame, and double-drum devices are arranged on the left and right sides of the front part of the bottom frame; the two double-drum devices are same in structure, each two-drum device comprises a double-drum main beam and a double-drum auxiliary beam which are mounted on the bottom frame at an interval in a left-right manner, two drums are mounted between each double-drum main beam and each double-drum auxiliary beam in parallel at an interval in a front-rear manner, and the at least one drum is driven by a hydraulic motor speed reduction device; a drag lever is connected to the front end of the bottom frame, and traveling wheels are downwards arranged on the left side and right side in the middle of the bottom frame respectively. According to the tower crane, a tower material can be lifted, a pole body can be lifted and adjusted, all power for lifting the tower material can be subjected to centralized control, the information exchange among lifting operators can be reduced, and the operation is convenient; meanwhile, the lifting operation is stable, the impact resistance is good, the safety is high, and the transfer operation is convenient.
Description
Technical field
The present invention relates to electric power line pole tower vertical construction technical field.
Background technology
In recent years, along with the development of power grid construction, more and more higher to electric power line pole tower vertical construction efficiency requirements, traditional machinery strand mill can not meet construction requirement.
Current domestic application is mainly motor-driven grinding mill in the lifting appliance of group tower construction, this kind of strand mill mostly is single series cylinder, adopt mechanical drive as power, impact endurance test shock is comparatively large, equipment performance is steady not, and power is less, haulage speed is comparatively slow, and operating efficiency is low, can not meet the requirement of UHV transmission line tower material of iron tower lifting.
Defect of the prior art has:
(1) organize tower and execute man-hour requirement multiple stage strand mill coordinating operation, information interchange is frequent, and difficulty of construction is large;
(2) construction strand mill mostly is and singly rolls structure, and rated load is little, and speed is little, and operating efficiency is low;
(3) mostly be mechanical transmission, shock resistance is poor.
Summary of the invention
The object of the present invention is to provide one can not only realize the lifting of tower material, lifting and the adjustment of pole body can also be realized simultaneously, and the three line group tower machines be convenient to ferry construction, be convenient to on-the-spot adjustment and constructed.
For achieving the above object, three line group tower machines of the present invention comprise underframe, and underframe rear end is hinged with left tailstock and right tailstock; Left tailstock with to be arranged side by side about right tailstock and the two structure is identical, include be hinged on underframe rear end for a pair hold-down arm, be connected to the tailstock crossbeam between two hold-down arms and be hinged on the adjustment oil cylinder of underframe rear end, regulate the extension bar of oil cylinder to be upwards hinged with tailstock crossbeam;
Left tailstock and right tailstock are separately installed with for being wound around and the left cheese of load-bearing wires rope and right cheese, and left cheese is arranged between two hold-down arms of left tailstock, and right cheese is arranged between two hold-down arms of right tailstock;
Underframe rear portion is provided with engine installation, and engine installation comprises driving engine, Hydraulic Pump and radiator of water tank, and Hydraulic Pump is connected with fuel tank by oil pipe;
Be provided with winch in the middle part of underframe, the anterior left and right sides of underframe is provided with Double-rotary-drum device;
Two Double-rotary-drum device structures are identical, include between left and right every the twin-roll girder be arranged on underframe and twin-roll auxiliary girder, be provided with two cylinders that front and back spacing side by side is arranged between twin-roll girder and twin-roll auxiliary girder, one of them cylinder is driven by HM Hydraulic Motor speed reduction gearing;
Described Hydraulic Pump to be connected with HM Hydraulic Motor speed reduction gearing by oil pipe and described winch and to provide power for winch and HM Hydraulic Motor speed reduction gearing; Described underframe front end is connected with forward drags thick stick, and the left and right sides in the middle part of underframe is respectively to having road wheel.
Described underframe is made up of the longitudinal beam of underframe be fixed together and body transom.
Described underframe is provided with the instrument box of engine installation, and described fuel tank and instrument box lay respectively on the underframe of winch both sides.
In each Double-rotary-drum device, described twin-roll girder is positioned at the inner side of twin-roll auxiliary girder, on the underframe of described HM Hydraulic Motor speed reduction gearing between the twin-roll girder of two Double-rotary-drum devices.
The left and right sides, described underframe rear end is upwards connected to Wire guide roller group behind the rear Wire guide roller group in left side and right side; The steel rope that behind left side, Wire guide roller group is drawn for guiding left cheese, the steel rope that behind right side, Wire guide roller group is drawn for guiding right cheese;
In the middle part of described underframe the left and right sides respectively on be connected with left Wire guide roller support and right between Wire guide roller support, left Wire guide roller cradle top be provided with one group on the left of central conductor roller group, right Wire guide roller cradle top be provided with one group on the right side of central conductor roller group;
The left and right sides, described underframe front end respectively on to be connected with before left side Wire guide roller group before Wire guide roller group and right side;
Before described left side, Wire guide roller group is lower than left side central conductor roller group, and before described right side, Wire guide roller group is lower than right side central conductor roller group;
Behind described left side, before two cylinders of Wire guide roller group, left side central conductor roller group, left side Double-rotary-drum device and left side, Wire guide roller group is located along the same line in the longitudinal direction;
Behind described right side, before two cylinders of Wire guide roller group, right side central conductor roller group, right side Double-rotary-drum device and right side, Wire guide roller group is located along the same line in the longitudinal direction;
Behind described left side, Wire guide roller group is identical with Wire guide roller group structure behind right side, includes a horizontal roller and about two spaced vertical rollers; This horizontal roller and vertical roller are all arranged on underframe rear end by link span;
Described left side central conductor roller group is identical with right side central conductor roller group structure, includes a horizontal roller and about two spaced vertical rollers; The horizontal roller of left side central conductor roller group and vertical roller be all arranged on left between on Wire guide roller support, the horizontal roller of right side central conductor roller group and vertical roller be all arranged on right between on Wire guide roller support;
Before described left side, Wire guide roller group is identical with Wire guide roller group structure before right side, and include spaced two the vertical rollers of two horizontal roller and left and right be disposed on up and down on underframe, described two vertical rollers are positioned on the underframe in the dead ahead of two horizontal roller.
Described underframe front end is upwards provided with hydraulic oil radiator, and the oil pipe that hydraulic oil radiator is connected with described Hydraulic Pump is connected.
Described underframe front end is hinged with front plough downwards.
In described Double-rotary-drum device, two cylinders are all fixedly connected with twin-roll girder, and two cylinders all removably connect with twin-roll auxiliary girder.
Before described, plough is connected with and ploughs oil cylinder highly before controlling, and front oil cylinder is connected on underframe.
Front oil cylinder adopts common oil cylinder, is connected by oil pipe with described Hydraulic Pump, is prior art, and figure does not show.
Wherein, described hydraulic oil radiator 31, cylinder 14, left cheese 8, right cheese 9, drag thick stick 17, front plough 32, HM Hydraulic Motor speed reduction gearing 15, engine installation 10(driving engine, Hydraulic Pump and radiator of water tank) and fuel tank 16, oil pipe and instrument box 19 be ripe existing routine techniques, concrete structure no longer describes in detail.
During work, use external tractor equipment (as self-propelled vehicle) by dragging thick stick 17 by three line group tower machine travels of the present invention to control position, then start and regulate oil cylinder 7 upwards top lifting, thus make left cheese 8 and/or right cheese 9 upwards be raised up to correct position by tailstock crossbeam 6 and hold-down arm 5.
Before operation, oil cylinder ploughs 32 before falling simultaneously, thus enables the present invention more stably be supported on ground, ensures the stability of complete machine.
Steel rope on left cheese 8 is successively through Wire guide roller group 26 before two cylinders 14 of the Double-rotary-drum device in Wire guide roller group 20, left side central conductor roller group 24, left side behind left side and left side, then upwards draw, for suspending the level attitude of control tower (regulating the height of control tower) or adjustment pole body in midair.
Steel rope on right cheese 9 is then successively through Wire guide roller group 27 before two cylinders 14 of the Double-rotary-drum device on Wire guide roller group 21, right side central conductor roller group 25, right side behind right side and right side, then upwards draw, for suspending the level attitude of control tower (regulating the height of control tower) or adjustment pole body in midair.Steel rope on winch 11, then draw directly to surface thereof and for suspending pole body in midair, regulate the height of pole body.
In described each Wire guide roller group, horizontal roller 28 is for controlling the vertical position of steel rope, and 29, vertical roller is for controlling the right position of steel rope.
Steel rope passes by between the vertical roller 29 of two in each group of Wire guide roller, also passes by between two horizontal roller 28 of each front side Wire guide roller group.
In each central conductor roller group and each rear Wire guide roller group, horizontal roller 28 is only provided with one, and steel rope is pressed in this horizontal roller 28 upper surface and extends forwardly through this horizontal roller 28.
Because Wire guide roller group 26 before left side is lower than left side central conductor roller group 24, and before right side Wire guide roller group 27 lower than right side central conductor roller group 25, therefore steel rope Wire guide roller group place before the left and right sides can be subject to downward pressure, thus makes steel rope and can keep certain compaction forces between the horizontal roller 28 of each central conductor roller group and the horizontal roller 28 of each rear Wire guide roller group.Steel rope is inclined upwardly after by front Wire guide roller group extraction, for the anchor shaft rear suspension control tower walked around aloft on scaffold or the level attitude regulating pole body.
Drag the setting of thick stick 17, be convenient to external draw gear (tractor truck) and draw three line group tower machines of the present invention; The setting of road wheel 18, is convenient to transition work of the present invention; Underframe is made up of longitudinal beam of underframe 1 and body transom 2, and structure is simple, and intensity is higher.
In the present invention, two, left and right Double-rotary-drum device plays traction action to steel cable respectively, can suspend pole body and control tower respectively in midair, regulates the height of pole body and control tower; Simultaneously the steel rope of winch 11 then can be used for regulating the level attitude of pole body.
Like this, three line group tower machines of the present invention, three steel ropes can be drawn simultaneously, complete the functions such as the height regulating pole body and control tower and the level attitude regulating pole body simultaneously, compared with the past, greatly reduce the preparation of construction needed in construction, reduce the information interchange between personnel in construction, reduce difficulty of construction.Owing to have employed hydraulic-driven and double-roller structure, therefore rated load promotes mutually than ever greatly.
The integrated design of equipment is lifted by crane when present invention achieves tower erection, the centralized control hoisted of the lifting of tower material and pole body, the fluid pressure type of lifting power drives, improve operating efficiency and construction safety, for the tail frame device of lifting cheese design, achieve the quick despatch of cheese, equipment can tow walking simultaneously, the transition transport at constructability scene.
On the whole, three line group tower machines of the present invention, for organizing the lifting of tower material in tower work progress, by controlling the rotating of winch 11 and HM Hydraulic Motor speed reduction gearing 15, have two groups of actions of rising and decline.In the lifting process of tower material, device rate is steady, ensures the steady lifting of tower material, and braking maneuver is steadily reliable, is conducive to being promoted the steadily in place of tower material; Down maneuver has higher speed, shortens the repetition period of tower material lifting, saves man-hour.
The present invention has following advantage:
(1) group tower required drive is carried out organic combination by the present invention, comprises the lifting of tower material and the lifting of pole body and adjustment, realizes the centralized control that tower material lifts by crane all power, reduces the information interchange between lifting operation personnel, convenient operation;
(2) lifting rope can be airborne, and this machine installed rows travelling wheel, meets the transition needs of camp site;
(3) this machine institute is dynamic is hydraulic-driven, and lifting operates steadily, and impact resistance is strong, and safety is high;
(4) drag the setting of thick stick, be convenient to external draw gear (tractor truck) and draw three line group tower machines of the present invention; The setting of road wheel, is convenient to transition work of the present invention; Underframe is made up of longitudinal beam of underframe and body transom, and structure is simple, and intensity is higher.Regulate the setting of oil cylinder, be convenient to the left cheese of Field adjustment and/or right cheese to control position.
Accompanying drawing explanation
Fig. 1 is the perspective view under the present invention's angle;
Fig. 2 is the perspective view under another angle of the present invention;
Fig. 3 is the enlarged drawing at A place in Fig. 1;
Fig. 4 is the enlarged drawing at B place in Fig. 1;
Fig. 5 is the enlarged drawing at C place in Fig. 1.
Detailed description of the invention
As shown in Figures 1 to 5, three line group tower machines of the present invention comprise underframe, and described underframe is made up of the longitudinal beam of underframe 1 be fixed together and body transom 2.
Underframe rear end is hinged with left tailstock 3 and right tailstock 4; Left tailstock 3 is symmetrical arranged side by side with right tailstock about 4 and the two structure is identical, include be hinged on underframe rear end for a pair hold-down arm 5, be connected to the tailstock crossbeam 6 between two hold-down arms 5 and be hinged on the adjustment oil cylinder 7 of underframe rear end, regulate the extension bar of oil cylinder 7 to be upwards hinged with tailstock crossbeam 6;
Left tailstock 3 and right tailstock 4 are separately installed with for being wound around and the left cheese 8 of load-bearing wires rope and right cheese 9, and left cheese 8 is arranged between two hold-down arms 5 of left tailstock 3, and right cheese 9 is arranged between two hold-down arms 5 of right tailstock 4;
Underframe rear portion is provided with engine installation 10, and engine installation 10 comprises driving engine, Hydraulic Pump and radiator of water tank, and Hydraulic Pump is connected with fuel tank 16 by oil pipe.The composition structure of engine installation and oil pipe and fuel tank 16 are existing mature technology, and figure is not shown in detail each component part of engine installation and oil pipe and fuel tank 16.
Be provided with winch 11 in the middle part of underframe, the anterior left and right sides of underframe is arranged with Double-rotary-drum device;
Two Double-rotary-drum device structures are identical, include between left and right every the twin-roll girder 12 be arranged on underframe and twin-roll auxiliary girder 13, be provided with two cylinders 14 that front and back spacing side by side is arranged between twin-roll girder 12 and twin-roll auxiliary girder 13, one of them cylinder 14 is driven (preferred setting only has a cylinder 14 to be driven by HM Hydraulic Motor speed reduction gearing 15) by HM Hydraulic Motor speed reduction gearing 15; HM Hydraulic Motor speed reduction gearing comprises HM Hydraulic Motor and speed reduction gearing, and be existing routine techniques, concrete structure no longer describes in detail.
Described Hydraulic Pump to be connected with HM Hydraulic Motor speed reduction gearing 15 by oil pipe and described winch 11 and to provide power for winch 11 and HM Hydraulic Motor speed reduction gearing 15; Described underframe front end is connected with forward drags thick stick 17, and the left and right sides in the middle part of underframe is respectively to having road wheel 18.
Described underframe is provided with the instrument box 19 of engine installation 10, and described fuel tank 16 and instrument box 19 lay respectively on the underframe of winch 11 both sides.This arrangement architecture is compact, is convenient to observe and operation.
In each Double-rotary-drum device, described twin-roll girder 12 is positioned at the inner side of twin-roll auxiliary girder 13, on the underframe of described HM Hydraulic Motor speed reduction gearing 15 between the twin-roll girder 12 of two Double-rotary-drum devices.This arrangement is very compact, is convenient to install.
The left and right sides, described underframe rear end is upwards connected to Wire guide roller group 21 behind the rear Wire guide roller group 20 in left side and right side; The steel rope that behind left side, Wire guide roller group 20 is drawn for guiding left cheese 8, the steel rope that behind right side, Wire guide roller group 21 is drawn for guiding right cheese 9;
In the middle part of described underframe the left and right sides respectively on be connected with left Wire guide roller support 22 and right between Wire guide roller support 23, left Wire guide roller support 22 top be provided with one group on the left of central conductor roller group 24, right Wire guide roller support 23 top be provided with one group on the right side of central conductor roller group 25;
The left and right sides, described underframe front end respectively on to be connected with before left side Wire guide roller group 27 before Wire guide roller group 26 and right side;
Before described left side, Wire guide roller group 26 is lower than left side central conductor roller group 24, and before described right side, Wire guide roller group 27 is lower than right side central conductor roller group 25;
Behind described left side, before two cylinders 14 of Wire guide roller group 20, left side central conductor roller group 24, left side Double-rotary-drum device and left side, Wire guide roller group 26 is located along the same line in the longitudinal direction;
Behind described right side, before two cylinders 14 of Wire guide roller group 21, right side central conductor roller group 25, right side Double-rotary-drum device and right side, Wire guide roller group 27 is located along the same line in the longitudinal direction;
Behind described left side, Wire guide roller group 20 is identical with Wire guide roller group 21 structure behind right side, includes a horizontal roller 28 and about two spaced vertical rollers 29; This horizontal roller 28 and vertical roller 29 are all arranged on underframe rear end by link span 30;
During use, the steel rope that left cheese 8 or right cheese 9 are drawn walks around horizontal roller 28, the right position of two vertical roller 29 positioning wire ropes between two vertical rollers 29.When steel rope is by cylinder 14 tethered sliding, horizontal roller 28 is rotated with the movement of steel rope under the effect of friction force.
Described left side central conductor roller group 24 is identical with right side central conductor roller group 25 structure, includes a horizontal roller 28 and about two spaced vertical rollers 29; The horizontal roller 28 of left side central conductor roller group 24 and vertical roller 29 be all arranged on left between on Wire guide roller support 22, the horizontal roller 28 of right side central conductor roller group 25 and vertical roller 29 be all arranged on right between on Wire guide roller support 23;
Before described left side, Wire guide roller group 26 is identical with Wire guide roller group 27 structure before right side, include spaced two the vertical rollers 29 of two horizontal roller 28 and left and right be disposed on up and down on underframe, described two vertical rollers 29 are positioned on the underframe in the dead ahead of two horizontal roller 28.
Described underframe front end is upwards provided with hydraulic oil radiator 31, and the oil pipe that hydraulic oil radiator 31 is connected with described Hydraulic Pump is connected.
Plough 32 before described underframe front end is hinged with downwards, front plough 32 operationally can ensure the stability of complete machine.
In described Double-rotary-drum device, two cylinders 14 are all fixedly connected with twin-roll girder 12, and two cylinders 14 are all removably connected (as removably connected by bolt) with twin-roll auxiliary girder 13.This structure is convenient to Assembly &Disassembly, is safeguarded Double-rotary-drum device.
Before described, plough 32 is connected with for oil cylinder before plough before controlling 32 height, and front oil cylinder is connected on underframe.Front oil cylinder adopts common oil cylinder, is connected by oil pipe with described Hydraulic Pump, is prior art, and figure does not show.
Wherein, described hydraulic oil radiator 31, cylinder 14, left cheese 8, right cheese 9, drag thick stick 17, front plough 32, HM Hydraulic Motor speed reduction gearing 15, engine installation 10(driving engine, Hydraulic Pump and radiator of water tank) and fuel tank 16, oil pipe and instrument box 19 be ripe existing routine techniques, concrete structure no longer describes in detail.
During work, use external tractor equipment (as self-propelled vehicle) by dragging thick stick 17 by three line group tower machine travels of the present invention to control position, then start and regulate oil cylinder 7 upwards top lifting, thus make left cheese 8 and/or right cheese 9 upwards be raised up to correct position by tailstock crossbeam 6 and hold-down arm 5.
Before operation, oil cylinder ploughs 32 before falling simultaneously, thus enables the present invention more stably be supported on ground, ensures the stability of complete machine.
Steel rope on left cheese 8 is successively through Wire guide roller group 26 before two cylinders 14 of the Double-rotary-drum device in Wire guide roller group 20, left side central conductor roller group 24, left side behind left side and left side, then upwards draw, for suspending the level attitude of control tower (regulating the height of control tower) or adjustment pole body in midair.
Steel rope on right cheese 9 is then successively through Wire guide roller group 27 before two cylinders 14 of the Double-rotary-drum device on Wire guide roller group 21, right side central conductor roller group 25, right side behind right side and right side, then upwards draw, for suspending the level attitude of control tower (regulating the height of control tower) or adjustment pole body in midair.Steel rope on winch 11, then draw directly to surface thereof and for suspending pole body in midair, regulate the height of pole body.
In described each Wire guide roller group, horizontal roller 28 is for controlling the vertical position of steel rope, and 29, vertical roller is for controlling the right position of steel rope.
Steel rope passes by between the vertical roller 29 of two in each group of Wire guide roller, also passes by between two horizontal roller 28 of each front side Wire guide roller group.
In each central conductor roller group and each rear Wire guide roller group, horizontal roller 28 is only provided with one, and steel rope is pressed in this horizontal roller 28 upper surface and extends forwardly through this horizontal roller 28.
Because Wire guide roller group 26 before left side is lower than left side central conductor roller group 24, and before right side Wire guide roller group 27 lower than right side central conductor roller group 25, therefore steel rope Wire guide roller group place before the left and right sides can be subject to downward pressure, thus makes steel rope and can keep certain compaction forces between the horizontal roller 28 of each central conductor roller group and the horizontal roller 28 of each rear Wire guide roller group.Steel rope is inclined upwardly after by front Wire guide roller group extraction, for the anchor shaft rear suspension control tower walked around aloft on scaffold or the level attitude regulating pole body.
Drag the setting of thick stick 17, be convenient to external draw gear (tractor truck) and draw three line group tower machines of the present invention; The setting of road wheel 18, is convenient to transition work of the present invention; Underframe is made up of longitudinal beam of underframe 1 and body transom 2, and structure is simple, and intensity is higher.
In the present invention, two, left and right Double-rotary-drum device plays traction action to steel cable respectively, can suspend pole body and control tower respectively in midair, regulates the height of pole body and control tower; Simultaneously the steel rope of winch 11 then can be used for regulating the level attitude of pole body.
Like this, three line group tower machines of the present invention, three steel ropes can be drawn simultaneously, complete the functions such as the height regulating pole body and control tower and the level attitude regulating pole body simultaneously, compared with the past, greatly reduce the preparation of construction needed in construction, reduce the information interchange between personnel in construction, reduce difficulty of construction.Owing to have employed hydraulic-driven and double-roller structure, therefore rated load promotes mutually than ever greatly.
The integrated design of equipment is lifted by crane when present invention achieves tower erection, the centralized control hoisted of the lifting of tower material and pole body, the fluid pressure type of lifting power drives, improve operating efficiency and construction safety, for the tail frame device of lifting cheese design, achieve the quick despatch of cheese, equipment can tow walking simultaneously, the transition transport at constructability scene.
Research and development illustrate:
(1) this three lines group tower machine is for organizing the lifting of tower material in tower work progress, by controlling the rotating of winch 11 and HM Hydraulic Motor speed reduction gearing 15, has two groups of actions of rising and decline.In the lifting process of tower material, device rate is steady, ensures the steady lifting of tower material, and braking maneuver is steadily reliable, is conducive to being promoted the steadily in place of tower material; Down maneuver has higher speed, shortens the repetition period of tower material lifting, saves man-hour.
(2) lifting of this machine tower material adopts the version of twin-roll 14, in conjunction with group tower construction operating mode, two groups of twin-rolls 14 work alone, (engine installation 10 arranges a Hydraulic Pump to adopt one-pump two-motor driving, two groups of Double-rotary-drum devices are driven by a hydraulic reduction gear respectively) power transmission arrangment, be both conducive to the reasonable distribution of power, additionally reduced the configuration of parts, reduce costs, also mitigate weight of equipment simultaneously; Underframe adopts symmetrical frame formula structure, and structure stress is reasonable, and driving engine is transversely arranged on two groups of traction wheel rear portions, makes transmission of power even.
(3) driving engine is arranged separately, and the equipment that not only can be provides power, also can be other construction appliance on-the-spot simultaneously and provides Power output, have the feature of a tractor serves several purposes.The left cheese of working portion 8, right cheese 9 and left tailstock 3, right tailstock 4 compact in design, facilitate layout and the installation of each group of Wire guide roller, decreases the vibration of hauling rope in transmission process and loss.
(7) equipment adopts two tailstock design, and two groups of tailstocks (left tailstock 3 and right tailstock 4) are arranged symmetrically with, and the Double-rotary-drum device of the left and right sides can independently be worked.Left tailstock 3 and right tailstock 4 all adopt square tube supporting construction, and use feed rod strand oscillator winding displacement, structure is simple, reduces costs.The present invention uses gear transmission to carry out speeds control, and structure is simple.Tailstock decision design movable supporting legs, can open during construction and support drum position, device structure is stablized, reliable operation.
(8) keystone configuration of the present invention is introduced: the machine is tower structure, and frame front end design drags thick stick 17, lower end installed rows travelling wheel 18, during equipment transition, can tow transition; Plough 32 before the design of Vierendeel girder leading section, plough 32 before falling during construction, keeps complete machine stability; Hydraulic oil radiator 31 installed by the underframe of front plough 32 upper end, two groups of Double-rotary-drum devices is installed in radiator both sides, is played the effect of haulage cable by cylinder 14.In the front and back of cylinder 14, central conductor roller, front Wire guide roller and rear Wire guide roller are installed, the Vierendeel girder on road wheel 18 top are installed instrument box 19 and hydraulic reservoir 16, pole body lift winch 11 is installed between hydraulic reservoir 16 and instrument box 19; Install this mechanomotive force part in hydraulic reservoir 16 rear end, this part mainly comprises driving engine, Hydraulic Pump and radiator of water tank etc.; At this machine rearmost end mounting design steel rope tailstock (cheese), be mainly used to carrying and place hoisting wirerope.
(9) two groups of twin-roll 14 traction wheels are all supported by girder and auxiliary girder, and auxiliary girder is detachable, auxiliary girder can being dismantled, being convenient to the lifting of hoisting wirerope, after lifting rope installation, from newly installing auxiliary girder when being wound around hoisting wirerope.One group of twin-roll 14 is driven by a reductor, and reductor is bolted on girder, and speed reducer output shaft is rotated by gear driven twin-roll 14, and reductor has HM Hydraulic Motor speed reduction gearing 15 to drive.
(10) hoisting steel wire tray is arranged on cheese tailstock, and often organizing tailstock has two hold-down arms 5 in left and right, the crossbeam of frame chassis is provided with tailstock and regulates oil cylinder 7, when installing cheese, operation hoist cylinder, falls tailstock, after cheese is installed, rise tailstock, complete the installation of hoisting wirerope dish.
Above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: still can modify to the present invention or equivalent replacement, and not departing from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (9)
1. three line group tower machines, comprise underframe, it is characterized in that: underframe rear end is hinged with left tailstock and right tailstock; Left tailstock with to be arranged side by side about right tailstock and the two structure is identical, include be hinged on underframe rear end for a pair hold-down arm, be connected to the tailstock crossbeam between two hold-down arms and be hinged on the adjustment oil cylinder of underframe rear end, regulate the extension bar of oil cylinder to be upwards hinged with tailstock crossbeam;
Left tailstock and right tailstock are separately installed with for being wound around and the left cheese of load-bearing wires rope and right cheese, and left cheese is arranged between two hold-down arms of left tailstock, and right cheese is arranged between two hold-down arms of right tailstock;
Underframe rear portion is provided with engine installation, and engine installation comprises driving engine, Hydraulic Pump and radiator of water tank, and Hydraulic Pump is connected with fuel tank by oil pipe;
Be provided with winch in the middle part of underframe, the anterior left and right sides of underframe is provided with Double-rotary-drum device;
Two Double-rotary-drum device structures are identical, include between left and right every the twin-roll girder be arranged on underframe and twin-roll auxiliary girder, be provided with two cylinders that front and back spacing side by side is arranged between twin-roll girder and twin-roll auxiliary girder, one of them cylinder is driven by HM Hydraulic Motor speed reduction gearing;
Described Hydraulic Pump to be connected with HM Hydraulic Motor speed reduction gearing by oil pipe and described winch and to provide power for winch and HM Hydraulic Motor speed reduction gearing; Described underframe front end is connected with forward drags thick stick, and the left and right sides in the middle part of underframe is respectively to having road wheel.
2. three line group tower machines according to claim 1, is characterized in that: described underframe is made up of the longitudinal beam of underframe be fixed together and body transom.
3. three line group tower machines according to claim 1, it is characterized in that: described underframe is provided with the instrument box of engine installation, described fuel tank and instrument box lay respectively on the underframe of winch both sides.
4. three line group tower machines according to claim 1, it is characterized in that: in each Double-rotary-drum device, described twin-roll girder is positioned at the inner side of twin-roll auxiliary girder, on the underframe of described HM Hydraulic Motor speed reduction gearing between the twin-roll girder of two Double-rotary-drum devices.
5. three line group tower machines according to any one of claim 1 to 4, is characterized in that: the left and right sides, described underframe rear end is upwards connected to Wire guide roller group behind the rear Wire guide roller group in left side and right side; The steel rope that behind left side, Wire guide roller group is drawn for guiding left cheese, the steel rope that behind right side, Wire guide roller group is drawn for guiding right cheese;
In the middle part of described underframe the left and right sides respectively on be connected with left Wire guide roller support and right between Wire guide roller support, left Wire guide roller cradle top be provided with one group on the left of central conductor roller group, right Wire guide roller cradle top be provided with one group on the right side of central conductor roller group;
The left and right sides, described underframe front end respectively on to be connected with before left side Wire guide roller group before Wire guide roller group and right side;
Before described left side, Wire guide roller group is lower than left side central conductor roller group, and before described right side, Wire guide roller group is lower than right side central conductor roller group;
Behind described left side, before two cylinders of Wire guide roller group, left side central conductor roller group, left side Double-rotary-drum device and left side, Wire guide roller group is located along the same line in the longitudinal direction;
Behind described right side, before two cylinders of Wire guide roller group, right side central conductor roller group, right side Double-rotary-drum device and right side, Wire guide roller group is located along the same line in the longitudinal direction;
Behind described left side, Wire guide roller group is identical with Wire guide roller group structure behind right side, includes a horizontal roller and about two spaced vertical rollers; This horizontal roller and vertical roller are all arranged on underframe rear end by link span;
Described left side central conductor roller group is identical with right side central conductor roller group structure, includes a horizontal roller and about two spaced vertical rollers; The horizontal roller of left side central conductor roller group and vertical roller be all arranged on left between on Wire guide roller support, the horizontal roller of right side central conductor roller group and vertical roller be all arranged on right between on Wire guide roller support;
Before described left side, Wire guide roller group is identical with Wire guide roller group structure before right side, and include spaced two the vertical rollers of two horizontal roller and left and right be disposed on up and down on underframe, described two vertical rollers are positioned on the underframe in the dead ahead of two horizontal roller.
6. three line group tower machines according to claim 5, is characterized in that: described underframe front end is upwards provided with hydraulic oil radiator, and the oil pipe that hydraulic oil radiator is connected with described Hydraulic Pump is connected.
7. three line group tower machines according to claim 6, is characterized in that: described underframe front end is hinged with front plough downwards.
8. three line group tower machines according to any one of claim 1 to 4, it is characterized in that: in described Double-rotary-drum device, two cylinders are all fixedly connected with twin-roll girder, and two cylinders all removably connect with twin-roll auxiliary girder.
9. three line group tower machines according to claim 7, is characterized in that: before described, plough is connected with and ploughs oil cylinder highly before controlling, and front oil cylinder is connected on underframe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410622086.1A CN104310242B (en) | 2014-11-07 | 2014-11-07 | Three line group tower crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410622086.1A CN104310242B (en) | 2014-11-07 | 2014-11-07 | Three line group tower crane |
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| Publication Number | Publication Date |
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| CN104310242A true CN104310242A (en) | 2015-01-28 |
| CN104310242B CN104310242B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410622086.1A Active CN104310242B (en) | 2014-11-07 | 2014-11-07 | Three line group tower crane |
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| CN106006419A (en) * | 2016-06-17 | 2016-10-12 | 浙江省建设机械集团有限公司 | Hydraulic loading-limit mechanical variable speed winch |
| CN106744426A (en) * | 2017-02-13 | 2017-05-31 | 徐州市正联机电设备有限公司 | Rope winch is changed in a kind of parallel roller formula friction |
| CN114105024A (en) * | 2021-10-26 | 2022-03-01 | 甘肃诚信电力科技有限责任公司 | Four-wheel multifunctional tractor and control system |
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|---|---|
| CN104310242B (en) | 2016-09-07 |
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