CN106758578A - A kind of mountain area band corner, the fixed heavily loaded cableway erection method of branched point - Google Patents

Abstract

The present invention relates to transport cableway erection method in a kind of transmission line construction, particularly a kind of mountain area band corner, the branched fixed heavily loaded cableway erection method of point, the present invention proposes a kind of mountain area band corner, the branched fixed heavily loaded cableway erection method of point, based on band corner, the structure and technical characterstic of the branched fixed heavily loaded cableway of point and all-hydraulic cableway tractor, including foundation pits, earth anchor is buried, support group is stood, the techniques such as the operation and maintenance of working cable unfolding and stringing and cableway, innovatively propose to carry rope straight line, the mounting process that corner is anchored and pull rope is arranged with corner closed loop, efficiently solve mountain area band corner, the branched fixed heavily loaded cableway mountain area of point sets up problem.The present invention is that the popularization and application with corner, the fixed heavily loaded cableway of branched point propose efficient, safe construction method, effectively ensures that cableway sets up the safety of personnel, is had a extensive future.

Description

A kind of mountain area band corner, the fixed heavily loaded cableway erection method of branched point

Technical field

The present invention relates to transport cableway erection method in a kind of transmission line construction, particularly a kind of mountain area band corner, The branched fixed heavily loaded cableway erection method of point.

Background technology

In the prior art, the standardization cableway of work transmission line construction usage is generally " the attached formula of pressure " cableway, by support, saddle Seat, running trolley, working cable, draw-gear etc. are constituted, and its working cable is directly placed on the saddle of support, only at top and end End anchoring, erection method is simple, but working cable can slide with cargo transport, and can only linear transport.Press attached formula construction special Erection method with freight ropeway is relatively simple, but each composition part-structure geometric parameter is fixed heavy with band corner, branched point Carry cableway all different, particularly working cable is directly rested on without fixation on saddle, can be slid with cargo movement, causes working cable Sag is uncontrollable, working cable serious wear, and often an engineering terminates, and working cable is almost scrapped；Secondly, working cable cannot also hold By the power in cross line direction, cableway can only linear transport, when running into the path for having corner, need to also again set up one in corner sides adjacent Road cableway, it is time-consuming.

It is current temporarily without being the scientific and technological achievement newly developed with corner, the fixed heavily loaded cableway of branched point, band corner, many fulcrums, Fixed heavily loaded cableway composition is similar to standardization cableway, but each composition part-structure geometric parameter is different, and its working cable is not only To be anchored at top and terminal, must also be anchored on the saddle of support, working cable is not slid with cargo transport, and can 0 °~16 ° of corner transport is realized, its erection method is different from current existing standardization cableway erection method.

The content of the invention

It is an object of the invention to be provided according to the deficiencies in the prior art part, one kind is safe efficient, can ensure rope Road sets up the mountain area of personal security with corner, the fixed heavily loaded cableway erection method of branched point.

The purpose of the present invention is realized by following approach：

A kind of mountain area band corner, the fixed heavily loaded cableway erection method of branched point, it is characterized by, and comprises the following steps：

1）According to the selected path of construction demand, and selected path is cleared up；

2）Foundation pits：Including support supporting leg basal plane point hole and support guy anchor point hole；

Support supporting leg basal plane point hole：Ropeway supporting trestle is by two groups of A shape steel tube supporting legs, i.e., 4 supporting leg supports, each supporting leg basal plane product 0.5m × 0.5m, supporting leg face numbering and iron tower foundation numbering；Supporting leg basal plane side root is opened and become with leg length, its half root Open and be calculated as follows：

, wherein, A is opened for supporting leg two sides root（mm）, h is leg length（mm）,

Supporting leg pattern length 4m~12m, same support supporting leg terrain height leg is combined；

Support guy anchor point hole：Include 4 fair line road earth anchors, two cross line earth anchors；4 fair line road earth anchors are 10t grades, Two cross line earth anchors are 5t grades；When corner is more than 6 °, the cross line earth anchor on the outside of its corner is changed to 10t grades；Each earth anchor To support distance, by bracing wire, angle is not more than 45 ° and is defined over the ground；

Each earth anchor it is embedded according to professional standard according to respective ground anchored loading definitely anchor specification and buried depth, then bury soil application Work；

3）Ropeway supporting trestle structure：Two groups of A shape steel tube supporting legs point both sides erect vertically, and upper end supports one crossbeam, constitute a gate Frame structure, every group of top ends in A shape steel tube supporting legs are provided with 3 landing bracing wires, altogether 6 landing bracing wire balance door type frames The erection of structure；Suspension rod is provided with door type frame structure, downrod lower end is provided with support line roller, carries rope clamping fixed by anchor line On suspension rod, the axle of fixing clamper is connected with supporting leg, and pull rope is rested on the support line roller of downrod lower end, and suspension rod upper end is cut with scissors with crossbeam Branch is connected, and lower end is rigidly connected by support bar with supporting leg, and crossbeam and supporting leg are also hinged connection；Supporting leg upper end is down set at 6m Have and support together；

4）Supporting leg group is stood：Take the formula pole group that falls to make laws, two supporting legs are constituted into A shape entirety on basal plane, it is long with two 7m The steel tube holding poles of φ 133 partner the vertical A font supporting legs of herringbone holding pole group；

Pull rope twists mill traction by 1t light automotives, should be carried out when supporting leg and ground angle are up to 45 ° back guy and slightly band tightly after Slowly eased out with standing up for supporting leg；Herringbone holding pole does not set device of raising one's hat, therefore supporting leg should stop leading when standing up to about 50 ° Draw, supporting leg is slowly stood up under the control of back guy using the weight of herringbone holding pole and the tension of preceding bracing wire；

Supporting leg is stood to fixing front and rear bracing wire after 90 °, then starts the vertical opposite side A type supporting legs of group；

5）Crossbeam is installed：Two side legs all stand good and after mixing up Gen Kai and orientation, carry out temporary guy；In the same of two side legs Side is each to fix a small steel tube holding pole of φ 133, and pole to be lifted one's head and hang a pulley on 1m, big through a steel wire rope of φ 13 or φ 16 Rope, an I-shaped gooseneck is lifted on the relevant position of support top and through d40 bearing pins, small pole is moved into opposite side and is hung Fill another crossbeam and d40 bearing pins are penetrated, nut is tightened.

6）Support bracing wire is installed：6 steel wire ropes of φ 16 for carrying out support fix bracing wire, can be by steel wire penetrating earth anchor pull-rod Or tightened up bracing wire pair head with the wire grip being stuck in bracing wire after steel wire loop, it is then with 3 cable clamps of φ 16 that bracing wire card is firm；Branch The side of frame will be suspended on the hanging plate paid on suspension rod equipped with suspension rod, the fixed bracing wire of this side of bicable ropeway is paid；

7）Primary and secondary hanger erection：1 single rope main suspension rod is installed on each rack beam of monocable ropeway and 1 is paid suspension rod, pay suspension rod peace Paying on hanger erection hole on the inside of support；Each support of bicable ropeway installs 2 main suspension rods of double ropes, 1 double rope support line roller and 1 Root pays suspension rod, and pair hanger erection is on the mounting hole of stent outer；Edger roll on primary and secondary suspension rod with bracket at corner is mounted in corner Inner side, edger roll on the primary and secondary suspension rod of straight line support is on the eyelet in outside；

8）Cableway tractor equipment is placed in the lead of put cableway；

9）Working cable is installed：

Bicable ropeway has the main carrying ropes of 2 road φ 28, one φ, 18 pairs of carrying ropes and a closed loop pull rope of φ 18.Intend in the vertical branch of group 2 guide ropes are unfolded using depopulated helicopter or propeller-parachuting before frame, one is placed in the middle of support in staking, and another is placed on Pair cableway side of support, guide rope is intended to unfold into the anti-torsion steel wire ropes of φ 13 step by step, and above-mentioned unfolding process cableway two ends are respectively Traction end and unfolding end,

After ropeway supporting trestle is all vertical good, with the short very heavy heart in the bracket and pays suspension rod side and respectively hang a wheel line tackle of φ 660 3, And move on in coaster on wheel the anti-pull ropes of turning round of φ 13, the releasing pulley with corner will be carried out and pre- prevent job-hopping partially

Anti- two corner blocks of steel wire penetrating of turning round of two φ 13 in place will have been unfolded with moment connection device in cableway discharging end Connect, then lead at feeding end, at a field with the anti-steel wire rope of turning round of that root in the middle of cableway tractor towing bracket to paying a suspension rod side The block spans of φ 13, and unfold to fag end；

The unfolding block span sets of φ 13 to the end hang up one and lead two limps by rotary connector, draw 18 pairs of carrying ropes of a φ （Mounted in outside）With an anti-torsion steel wire rope of φ 18（Mounted in inner side）, by the corner block of this two rope tractions to discharging end It is good that place faces anchor；

Limp is laid down, carrying rope will be paid on each support along and is moved and put to the support line roller paid on suspension rod, and by the block spans of φ 18 Move in intermediate pulley；

Continue to draw to the block span heads of φ 18 to leading after the block span heads of φ 18 are connected with the block span heads of φ 13 with moment connection device Draw before machine and anchor is good, the block spans of φ 13 are pulled down from hauling machine；

The block spans of φ 18 for paying suspension rod side are pulled down from tensioner and is attached on hauling machine；That root in the middle of support in place will be drawn The block spans of φ 18 connect special one and lead three limps, and limp rear side hangs up 2 φ 28 masters released from tensioner straining pulley and holds Rope and a ropeway hauling rope of φ 18 are carried, the pull ropes of φ 18 are mounted in centre；

Starting hauling machine and tensioner carries out one and leads three tension stringing operations stopping before discharging end corner block is arrived in limp, Face anchor and live each steel wire rope, pull down limp；Then by limp before and after two steel wire ropes of φ 18 with rotary connector connect it is follow-up Continuous traction stops when the ropeway hauling rope heads of φ 18 are reached before hauling machine, steel wire rope is separated into hauling machine after reliably facing anchor, together When three steel wire ropes facing before anchor tensioner and separate tensioner, so far tension stringing terminates,

Above-mentioned is the tension stringing operation procedure that bicable ropeway carries rope and pull rope, and monocable ropeway is fewer than bicable ropeway one Main carrying rope, construction party refers to said procedure and formulates monocable ropeway tension stringing measure,

10）Primary and secondary carrying rope is installed

Before the 40t earth anchors of discharging end respectively by two main ropes of φ 28 on 20t hoisting cable anchorage devices after two circles with it is special simultaneously Ditch wire clamp card is connected by 20t Lever Blocks behind jail with the earth anchor pull-rods of φ 36, and carrying rope is paid with method operation,

Divided with fixing-line device with hanging over the 10t 3-3 tackle pulleys on main carrying rope earth anchor by 20t tensiometers in feeding end stretching The main ropes of φ 28 are not tightened to the tension value for planning sth. ahead, or do not hang tensiometer with the unloaded relaxation of control shelves computed in advance Degree control, is then directed at main suspension rod center and prints on the main rope on each support, corner coaster is paid special attention to during stringing Pre- inclined situation；

Each support print it is complete, with discharging end equally by line more than main rope on 20t hoisting cable anchorage devices around Liang Quan, then with special and ditch Wire clamp card is connected by 20t Lever Blocks behind jail with earth anchor pull-rod, then tightens up Lever Blocks, and degree of tightening up a little be defined by being printed, Remove stringing tackle pulley；

On straight line support, divide on hanging plate before and after three auxiliary flex holders being placed in advance by main suspension rod and double rope support line rollers Not Gua 3t Lever Blocks, three wheel line tackles of being dismantled two main ropes and pull rope are lifted simultaneously after load onto double rope support lines Pull rope is rested on support line roller after roller,

Main line folder is installed at two main ropes print respectively, then raising main rope makes main line press from both sides the installation on the main suspension rod of alignment Hole, main suspension rod is passed through by main shaft, and nut has been sold after being then passed through main line folder, and the main shaft other end is connected with upper connecting rod, by upper connecting rod On two-way bolt tighten,

Main line folder with bracket at corner is installed as straight line support, lays three auxiliary flex holders, and will be hung on the outside of corner Coil holder is connected with main suspension rod or crossbeam with steel wire loop to be tightened up, and flex holder toward corner medial movement is prevented, in main rope flex holder two End one 9t Lever Blocks of each extension, main rope is lived by fixing-line device anchor, and middle pull rope then adds fixing-line device anchor with 3t Lever Blocks Firmly pull rope, while tightening up both sides Lever Blocks, makes to lay down three wheel line tackles after the main rope and pull rope of centre are lax, in master The rope place of printing is installed by main line folder（I type or II type are selected according to the corner number of degrees）Then adjustment Lever Blocks makes main line press from both sides and main suspension rod Mounting hole alignment, pass through main shaft from main suspension rod side, lock nut mixes up connecting rod, finally installs double rope support line rollers and will traction Rope is rested on support line roller, and the stringing for pay carrying rope with method is installed.

11）Pull rope is installed：

Cableway tractor be arranged to pay cableway and a Lever Blocks centre position, will pay cableway side pull rope on traction wheel disk It is good, the pull rope of main rope road side is faced into anchor good；

Start hauling machine tighten up pull rope to its sag it is parallel with cableway sag, face anchor firmly tail rope, Ran Houjin in traction end The two ends grafting of row pull rope, makes loop-like；

Hauling machine wants more than 3m away from its earth anchor pull-rod mouthful, to tighten pull rope at any time；

12）Checked and trial operation.

In sum, based oneself upon with corner, the fixed heavily loaded cableway erection method of branched point the invention provides a kind of mountain area In structure and technical characterstic with corner, the fixed heavily loaded cableway of branched point and all-hydraulic cableway tractor, including foundation pits, The techniques such as earth anchor is embedded, support group is vertical, working cable unfolding and the operation and maintenance of stringing and cableway, innovatively propose to carry The mounting process that rope straight line, corner anchoring and pull rope are arranged with corner closed loop, efficiently solves mountain area with corner, branched solid point Fixed pattern heavy duty cableway mountain area sets up problem.The present invention is that the popularization and application with corner, the fixed heavily loaded cableway of branched point are proposed Efficiently, safe construction method, effectively ensures that cableway sets up the safety of personnel, has a extensive future.

Brief description of the drawings

Fig. 1 is schematic flow sheet of the mountain area of the present invention with corner, the fixed heavily loaded cableway erection method of branched point；

Fig. 2 is the structural representation of ropeway supporting trestle of the present invention；Wherein label is represented respectively：1st, crossbeam, 2, main suspension rod, 3, Main line is pressed from both sides, 4, support line roller, 5, upper connecting rod, 6, lower link, 7, pay suspension rod, 8, pay wire clamp, 9, pay lower link, 10, upper supporting leg, 11, Middle supporting leg, 12, lower supporting leg, 13, along bracing wire, 14, cross bracing wire, 15, support；

Fig. 3 is the structural representation of hauling machine arrangement of the present invention；

The present invention is described further with reference to embodiment.

Specific embodiment

Most preferred embodiment：

Referring to the drawings 1, a kind of mountain area band corner, the fixed heavily loaded cableway erection method of branched point comprise the following steps：

1st, preparation of construction

Before 1.1 constructions, organizational technology's staffing cableway transport construction technical schemes and safe construction safeguard measure are answered, and organize All workmens carry out safely, confide a technological secret with safety education work etc..

Select in 1.2 paths.

1）Detailed measurements are carried out to the path for intending setting up cableway using theodolite or GPS measuring instruments, each support of cableway is determined And rope terminal ground anchor location is carried, and the parameters such as span, the discrepancy in elevation, corner between each fulcrum are measured, check whether operation meets according to this The permission use condition of cableway.

2）Determine the upper shots and blanking point of cableway：Upper shots will lead to car lane in cableway terminal, facilitate crane to enter , and have sufficiently large stacking place；Along cableway each blanking point to repair place can smoothly blanking and be transported to tower position.

1.3 channel cleanups.

1）Measurement channel is walked backward, to be cut down by Rack during felling passage, and general channel width monorail-tramway is 3.5m, double cableways are 4.5m, it is to avoid cut denudation more.Felling will set special messenger's monitoring when setting greatly.

2）To be got in touch with highway administration department when needing crossing highway, and protective net frame is set up point is crossed over.

2nd, foundation pits

2.1 support supporting leg basal planes point hole.

1）Ropeway supporting trestle is by two groups of A type legs, i.e., 4 supporting leg supports, each supporting leg basal plane product 0.5m × 0.5m, supporting leg face volume Number with iron tower foundation numbering.Supporting leg basal plane front root opens constant, is 2400mm, and its side root is opened and become with leg length, Its half root is opened（A/2）Computing formula is as follows：

, wherein, A is opened for supporting leg two sides root（mm）, h is leg length（mm）,

2）The single length of supporting leg point tri- kinds of 3m, 2m, 1m, supporting leg pattern length 4m~12m, same support supporting leg terrain is just Leg is combined.Supporting leg is no more than 12m in principle, if can implement after it should submit a report asking for engineering department's examination ＆ approval because landform limits needs.

2.2 support guy anchors point hole

Wherein 4 fair line road earth anchors are 10t grades, and two cross line earth anchors are 5t grades.When corner is more than 6 °, on the outside of its corner Cross line earth anchor is changed to 10t grades.To support distance, by bracing wire, angle is not more than 45 ° and is defined earth anchor over the ground.

3rd, earth anchor is buried.Earth anchor is embedded should be in strict accordance with ground anchored loading definitely anchor specification and buried depth, and earth anchor should when burying soil Can be carried out through pacifying after matter person's site inspection confirms.

4th, site transportation

Maximum substance is 3m 2 3m of the steel pipe branch leg sections of φ 194 × 8 and each support long in 4.1 ropeway supporting trestles and accessory 125 I-shaped goosenecks long, every weighs 110kg or so, and remaining loose mail substance is within 20kg.

4.2 are typically chosen stock ground as temporal material, and bracket component is detachable herein, according to the dispensing of every base support Table is shipped after preparing.

4.3 ropeway supporting trestle points cannot typically repair car lane, based on cableway part is transported and goes up a hill and carried on the back with people's lift or horse, individually The available interim simple cableway transport of support point that difficulty is walked.

5th, support is installed

5.1 ropeway supporting trestle structures.The line chart of ropeway supporting trestle structure is as shown in Fig. 2 for the vertical A shape steel tube supporting legs in both sides are supported One crossbeam（Two 25a I-steel compositions）Door type frame structure, by 6 landing bracing wires balance.Rope is carried by anchoring wire clamp It is fixed on suspension rod, the axle of fixing clamper is connected with supporting leg.Pull rope is rested on the support line roller of downrod lower end.Suspension rod upper end and horizontal stroke The hinged connection of beam, lower end is rigidly connected by support bar with supporting leg.Crossbeam and supporting leg are also hinged connection.Supporting leg upper end down 6m Place is provided with and supports together.

5.2 supporting leg groups are stood

1）Supporting leg group is vertical to take the formula pole group that falls to make laws, i.e., two supporting legs are constituted into A shape entirety on basal plane, long with two 7m The steel tube holding poles of φ 133 partner the vertical A font supporting legs of herringbone holding pole group.

2）Pull rope twists mill traction by 1t light automotives, and back guy and slightly should be carried out when supporting leg and ground angle are up to 45 ° Slowly eased out with standing up for supporting leg after band is tight.Herringbone holding pole does not set device of raising one's hat, therefore supporting leg should stop when standing up to about 50 ° Only draw, supporting leg is slowly stood up under the control of back guy using the weight of herringbone holding pole and the tension of preceding bracing wire.

3）Supporting leg is stood to fixing front and rear bracing wire after 90 °, then starts the vertical opposite side A type supporting legs of group.

5.3 crossbeams are installed

1）Two side legs all stand good and after mixing up Gen Kai and orientation, carry out temporary guy.In each fixation in same one side of two side legs A piece small steel tube holding pole of φ 133, pole is lifted one's head and a pulley is hung on 1m, is restricted greatly through a steel wire rope of φ 13 or φ 16, by one Root I-shaped gooseneck is lifted on the relevant position of support top and through d40 bearing pins, notices that bearing pin can not be through second crossbeam Position, in order to avoid second crossbeam cannot be in place.

2）Small pole is moved into opposite side to lift another crossbeam and penetrate d40 bearing pins, tighten nut.

5.4 support bracing wires are installed.

1）6 steel wire ropes of φ 16 for carrying out support fix bracing wire, can be by after steel wire penetrating earth anchor pull-rod or steel wire loop Head is paid with the wire grip being stuck in bracing wire by bracing wire to tighten up, it is then with 3 cable clamps of φ 16 that bracing wire card is firm.

2）Support left side（Or right side, it is determined on a case-by-case basis）Equipped with suspension rod is paid, the fixed bracing wire of this side of bicable ropeway will It is suspended on the hanging plate paid on suspension rod in order to avoid its dolly for blocking return.

5.5 primary and secondary hanger erections

1）1 single rope main suspension rod is installed on each rack beam of monocable ropeway and 1 is paid suspension rod, pair hanger erection is on the inside of support Pay on hanger erection hole.

2）Each support of bicable ropeway installs 2 main suspension rods of double ropes, 1 double rope support line roller and 1 pair of suspension rod, pays hanger erection On the mounting hole of stent outer.

3）Edger roll on primary and secondary suspension rod with bracket at corner is mounted in the inner side of corner, on the primary and secondary suspension rod of straight line support Edger roll is on the eyelet in outside.

5.6 upper and lower connecting rods are installed.Every main suspension rod all sets upper and lower twice connecting rod, the fixing axle phase that upper connecting rod is pressed from both sides with main line Even.Pay suspension rod and only set one lower link, the lower link of primary and secondary suspension rod is both needed to install.

5.7 carrying rope anchoring wire clamps wouldn't be installed, and be installed again after in place after working cable stringing.

6th, cableway tractor is installed

6.1 leads that cableway tractor equipment is placed in put cableway.

6.2 equipment are correctly reliably anchored, and ground anchor pit depth, width, packway angle must meet relevant regulations, institute's adapted Stress Work tool must be intact and has safe enough coefficient.

6.3 when ground is soft, should be in fixed front plough underlay sleeper.

7th, working cable is installed

7.1 tension stringings

1）Bicable ropeway has the main carrying ropes of 2 road φ 28, one φ, 18 pairs of carrying ropes and a closed loop pull rope of φ 18.Intend vertical in group 2 guide ropes are unfolded using depopulated helicopter or propeller-parachuting before support, one is placed in the middle of support in staking, and another puts Cableway side is paid in support.Guide rope is intended to unfold into the anti-torsion steel wire ropes of φ 13 step by step.Above-mentioned unfolding process cableway two ends difference It is traction end and unfolding end.

2）After ropeway supporting trestle all stands well, with the short very heavy heart in the bracket and pair suspension rod side, respectively one three-wheel of φ 660 of extension is put Line coaster, and the anti-pull ropes of turning round of φ 13 are moved on in coaster on wheel, the releasing pulley with corner will be carried out and pre- prevent job-hopping partially.

3）Anti- two corner blocks of steel wire penetrating of turning round of two φ 13 in place will have been unfolded with bending resistance in cableway discharging end Connector is connected, then lead at feeding end, at a field with the anti-steel wire rope of turning round of that root in the middle of cableway tractor towing bracket to paying The block spans of φ 13 of suspension rod side, and unfold to fag end.

4）The unfolding block span sets of φ 13 to the end hang up one and lead two limps by rotary connector, and piece 18 pairs of a φ of traction holds Carry rope（Mounted in outside）With an anti-torsion steel wire rope of φ 18（Mounted in inner side）, by the steering of this two rope tractions to discharging end Face anchor at coaster good.

5）Limp is laid down, carrying rope will be paid on each support along and is moved and put to the support line roller paid on suspension rod, and by φ 18 Block span is moved in intermediate pulley.

6）Continue to draw to the block spans of φ 18 after the block span heads of φ 18 are connected with the block span heads of φ 13 with moment connection device Head pulls down the block spans of φ 13 to before hauling machine and anchor is good from hauling machine.

7）The block spans of φ 18 for paying suspension rod side are pulled down from tensioner and is attached on hauling machine.In drawing support in place Between the block spans of that root φ 18 connect special one and lead three limps, limp rear side hangs up 2 φ released from tensioner straining pulley 28 main carrying rope and the ropeway hauling ropes of φ 18, the pull ropes of φ 18 are mounted in centre.

8）Starting hauling machine and tensioner carries out one and leads three tension stringing operations until discharging end corner block is arrived in limp Preceding stopping, facing anchor and lives each steel wire rope, pulls down limp.Then by limp before and after two steel wire ropes of φ 18 with rotary connector connect Continue to draw after connecing to stop when the ropeway hauling rope heads of φ 18 are reached before hauling machine, steel wire rope is separated into traction after reliably facing anchor Machine.Three steel wire ropes facing before anchor tensioner and separate tensioner simultaneously.So far tension stringing terminates.

9）Above-mentioned is the tension stringing operation procedure that bicable ropeway carries rope and pull rope, and monocable ropeway is fewer than bicable ropeway Piece main carrying rope, construction party refers to said procedure and formulates monocable ropeway tension stringing measure.

The 7.2 primary and secondary ropes that carry are installed

1）Before the 40t earth anchors of discharging end respectively by two main ropes of φ 28 on 20t hoisting cable anchorage devices after two circles with special By 20t Lever Blocks and the earth anchor pull-rods of φ 36 behind parallel groove clamp card jail（Or the steel wire loops of φ 28）It is connected.Paid with method operation and held Carry rope.

2）Hang over the main 10t 3-3 tackle pulleys carried on rope earth anchor and block with by 20t tensiometers in feeding end stretching The main ropes of φ 28 are tightened to line device the tension value for planning sth. ahead respectively, or do not hang tensiometer with control shelves computed in advance Unloaded catenary control.Then main suspension rod center is directed on the main rope on each support to print.To pay special attention to corner during stringing The pre- inclined situation of coaster.

3）Each support print it is complete, with discharging end equally by line more than main rope on 20t hoisting cable anchorage devices around Liang Quan, then with special With parallel groove clamp card jail after be connected with earth anchor pull-rod by 20t Lever Blocks.Then Lever Blocks is tightened up（Degree of tightening up is printing a little It is defined）, remove stringing tackle pulley.

4）On straight line support, the extension before and after three auxiliary flex holders being placed in advance by main suspension rod and double rope support line rollers 3t Lever Blocks is hung on plate respectively, three wheel line tackles of being dismantled two main ropes and a pull rope are lifted simultaneously after are loaded onto double Pull rope is rested on support line roller after rope support line roller.

5）Main line folder is installed at two main ropes print respectively, then raising main rope makes main line press from both sides on the main suspension rod of alignment Mounting hole, main suspension rod is passed through by main shaft, and nut has been sold after being then passed through main line folder.The main shaft other end is connected with upper connecting rod, by upper Two-way bolt on connecting rod is tightened.

6）Main line folder with bracket at corner is installed as straight line support, lays three auxiliary flex holders, and outside corner Side connects flex holder with main suspension rod or crossbeam with steel wire loop tightens up, and prevents flex holder toward corner medial movement.Hung in main rope Coil holder two ends respectively hang a 9t Lever Blocks, and main rope is lived by fixing-line device anchor, and middle pull rope then adds card with 3t Lever Blocks Line device anchor lives pull rope, while tightening up both sides Lever Blocks, makes to lay down three-wheel unwrapping wire cunning after the main rope and pull rope of centre are lax Car, main line folder is installed at the main rope place of printing（I type or II type are selected according to the corner number of degrees）Then adjustment Lever Blocks presss from both sides main line Mounting hole with main suspension rod is aligned, and passes through main shaft, lock nut to mix up connecting rod from main suspension rod side.Double rope support line rollers are finally installed And rest on support line roller pull rope.

7）The stringing for pay carrying rope with method is installed.

7.3 pull ropes are installed

1）Cableway tractor is arranged to position as shown in Figure 3（Hauling machine is preferably just disposed herein during foregoing stringing）.Rope will be paid The pull rope of road side disk on traction wheel is good, and it is good that the pull rope of main rope road side is faced into anchor.

2）Start hauling machine tighten up pull rope to its sag it is parallel with cableway sag, face anchor firmly tail rope in traction end, Then the grafting of pull rope two ends is carried out, makes loop-like.

3）Hauling machine wants more than 3m away from its earth anchor pull-rod mouthful, to tighten pull rope at any time.Other hauling machine can not be placed in The dead astern in main rope road is in case out of control the sliding of dolly injures hauling machine operating personnel.

8 check and test

8.1 scopes of examination

1）Check whether drum hydraulic tractor cooling water, fuel oil and The hydraulic oil are sufficient, and whether lubricant level is normal.

2）Check whether drum hydraulic tractor operating normal, each connector and connected pipes whether robust, whether oil leak.

3）Whether the anchor and earth anchor of inspection hauling machine and primary and secondary carrying rope are normal, and whether pull rope corner block Flexibly, whether normal anchor.

4）Whether the firm stabilization of each support is checked, whether each eyelid retractor installs correct, in good condition, each bracing wire is anchored and ground Whether anchor is normal.

5）Check that whether flexibly each running trolley coaster rotates, whether correct rope-grippers is installed.

8.2 contents of the test

1）No-load test：A dolly is sent by that to experimentation is carried out at high speed, there must not be any retardance at a slow speed from feeding end Phenomenon.

2）Load test：Carry out 50% load, the load of middling speed 80% and full-load test at a high speed.Cableway is entered after the completion of experiment Row inspection comprehensively, 110% overload test is carried out after confirmation is errorless, at least carries out a retardation test during experiment every time.

3）Weight is smooth accessible by answering in process of the test.In process of the test and to cableway body after the completion of experiment and respectively Place's anchor situation, corner block situation carry out complete detection, inspection, normal transport operation of being allowed for access after confirmation is without exception.

9 ropeway operations

1）Dolly is positioned on cableway in upper shots, the clamp clip thickness of dolly rope-grippers is different, will when single rope dolly is installed By that thin piece loaded on dolly side is close to, by that thick piece loaded on pair rope support line roller sides are close to when double rope dollies are installed, otherwise By by the edger roll card master at fulcrum or damage edger roll, 6 clamping screws must ensure to tighten dolly.Speed on dolly unloads pulley Group also installs tail rope and tightens up and block jail, and remaining fake is into being attached on goods after a bundle.

2）Crane or other crane gears during feeding.Bulk cargo has on the hopper of gate mounted in lower end, and the hopper bodily form 1.2 × 1.0 × 1.0 meters（Length × width × height）Volume 1m3 a, hopper is hung on a dolly, once hangs two hoppers, and hopper is every 5m ~6m（Bicable ropeway can hang three hoppers, and spacing is the same）.All hopper gross weights must not exceed the rated load of cableway.

3）The speed that tower material or other objects can be directly hung to dolly unloaded and transported in tackle pulley, and transporting object width must not surpass 1.2m is crossed, length must not exceed 12m.Monorail-tramway weight is lifted more than 2t, object of double cableway weight more than 3t with two dollies Fortune.

4）Must communicate unimpeded between upper and lower shots, corner is larger in cableway or has the barrier, heavily loaded dolly to pass through But nargin little place in space should send special messenger to guard.Feeding point goods to notify blanking point after installing and care provider opens along the line Begin to transport, blanking point notifies that shots hauling machine leads at a slow speed when goods is away from 20m and reaches.

5）Dolly reaches blanking point, and discharging personnel first remove quick-release tackle pulley tail rope and tense, and come loose tail rope fishbolt Tail rope is slowly eased out afterwards, and weight is dropped to ground.

6）After blanking point discharging, come loose dolly rope-grippers, and dolly is moved on demobilization cableway, and demobilization cableway only allows single rope Dolly passes through, and double rope dollies will be suspended on single rope dolly and return.Other objects that need to be returned such as hopper also hang up and together return.

The not described part of the present invention is same as the prior art.

Claims (1)

1. a kind of mountain area is with corner, the fixed heavily loaded cableway erection method of branched point, it is characterised in that comprise the following steps：

1）According to the selected path of construction demand, and selected path is cleared up；

2）Foundation pits：Including support supporting leg basal plane point hole and support guy anchor point hole；

Support supporting leg basal plane point hole：Ropeway supporting trestle is by two groups of A shape steel tube supporting legs, i.e., 4 supporting leg supports, each supporting leg basal plane product 0.5m × 0.5m, supporting leg face numbering and iron tower foundation numbering；Supporting leg basal plane side root is opened and become with leg length, its half root Open and be calculated as follows：

, wherein, A is opened for supporting leg two sides root（mm）, h is leg length（mm）,

Supporting leg pattern length 4m~12m, same support supporting leg terrain height leg is combined；

Support guy anchor point hole：Include 4 fair line road earth anchors, two cross line earth anchors；4 fair line road earth anchors are 10t grades, Two cross line earth anchors are 5t grades；When corner is more than 6 °, the cross line earth anchor on the outside of its corner is changed to 10t grades；Each earth anchor To support distance, by bracing wire, angle is not more than 45 ° and is defined over the ground；

Each earth anchor it is embedded according to professional standard according to respective ground anchored loading definitely anchor specification and buried depth, then bury soil application Work；

3）Ropeway supporting trestle structure：Two groups of A shape steel tube supporting legs point both sides erect vertically, and upper end supports one crossbeam, constitute a gate Frame structure, every group of top ends in A shape steel tube supporting legs are provided with 3 landing bracing wires, altogether 6 landing bracing wire balance door type frames The erection of structure；Suspension rod is provided with door type frame structure, downrod lower end is provided with support line roller, carries rope clamping fixed by anchor line On suspension rod, the axle of fixing clamper is connected with supporting leg, and pull rope is rested on the support line roller of downrod lower end, and suspension rod upper end is cut with scissors with crossbeam Branch is connected, and lower end is rigidly connected by support bar with supporting leg, and crossbeam and supporting leg are also hinged connection；Supporting leg upper end is down set at 6m Have and support together；

4）Supporting leg group is stood：Take the formula pole group that falls to make laws, two supporting legs are constituted into A shape entirety on basal plane, it is long with two 7m The steel tube holding poles of φ 133 partner the vertical A font supporting legs of herringbone holding pole group；

Pull rope twists mill traction by 1t light automotives, should be carried out when supporting leg and ground angle are up to 45 ° back guy and slightly band tightly after Slowly eased out with standing up for supporting leg；Herringbone holding pole does not set device of raising one's hat, therefore supporting leg should stop leading when standing up to about 50 ° Draw, supporting leg is slowly stood up under the control of back guy using the weight of herringbone holding pole and the tension of preceding bracing wire；

Supporting leg is stood to fixing front and rear bracing wire after 90 °, then starts the vertical opposite side A type supporting legs of group；

5）Crossbeam is installed：Two side legs all stand good and after mixing up Gen Kai and orientation, carry out temporary guy；In the same of two side legs Side is each to fix a small steel tube holding pole of φ 133, and pole to be lifted one's head and hang a pulley on 1m, big through a steel wire rope of φ 13 or φ 16 Rope, an I-shaped gooseneck is lifted on the relevant position of support top and through d40 bearing pins, small pole is moved into opposite side and is hung Fill another crossbeam and d40 bearing pins penetrated, nut is tightened,

6）Support bracing wire is installed：6 steel wire ropes of φ 16 for carrying out support fix bracing wire, can be by steel wire penetrating earth anchor pull-rod or steel Head is paid after cord set by bracing wire with the wire grip being stuck in bracing wire to tighten up, it is then with 3 cable clamps of φ 16 that bracing wire card is firm；Support Side will be suspended on the hanging plate paid on suspension rod equipped with suspension rod, the fixed bracing wire of this side of bicable ropeway is paid；

7）Primary and secondary hanger erection：1 single rope main suspension rod is installed on each rack beam of monocable ropeway and 1 is paid suspension rod, pay suspension rod peace Paying on hanger erection hole on the inside of support；Each support of bicable ropeway installs 2 main suspension rods of double ropes, 1 double rope support line roller and 1 Root pays suspension rod, and pair hanger erection is on the mounting hole of stent outer；Edger roll on primary and secondary suspension rod with bracket at corner is mounted in corner Inner side, edger roll on the primary and secondary suspension rod of straight line support is on the eyelet in outside；

8）Cableway tractor equipment is placed in the lead of put cableway；

9）Working cable is installed：

Bicable ropeway has the main carrying ropes of 2 road φ 28, one φ, 18 pairs of carrying ropes and a closed loop pull rope of φ 18；

2 guide ropes are unfolded using depopulated helicopter or propeller-parachuting before group staking, one puts in the bracket in staking Between, another pair cableway side for being placed on support, guide rope is intended to unfold into the anti-torsion steel wire ropes of φ 13, above-mentioned unfolding process rope step by step Road two ends are respectively traction end and unfolding end,

After ropeway supporting trestle is all vertical good, with the short very heavy heart in the bracket and pays suspension rod side and respectively hang a wheel line tackle of φ 660 3, And move on in coaster on wheel the anti-pull ropes of turning round of φ 13, the releasing pulley with corner will be carried out and pre- prevent job-hopping partially

Anti- two corner blocks of steel wire penetrating of turning round of two φ 13 in place will have been unfolded with moment connection device in cableway discharging end Connect, then lead at feeding end, at a field with the anti-steel wire rope of turning round of that root in the middle of cableway tractor towing bracket to paying a suspension rod side The block spans of φ 13, and unfold to fag end；

Unfolding block span sets of φ 13 to the end hang up one and lead two limps by rotary connector, traction 18 pairs of carrying ropes of a piece φ with A piece anti-torsion steel wire rope of φ 18 is good by anchor is faced at this two rope tractions to the corner block of discharging end；

Limp is laid down, carrying rope will be paid on each support along and is moved and put to the support line roller paid on suspension rod, and by the block spans of φ 18 Move in intermediate pulley；

Continue to draw to the block span heads of φ 18 to leading after the block span heads of φ 18 are connected with the block span heads of φ 13 with moment connection device Draw before machine and anchor is good, the block spans of φ 13 are pulled down from hauling machine；

The block spans of φ 18 for paying suspension rod side are pulled down from tensioner and is attached on hauling machine；That root in the middle of support in place will be drawn The block spans of φ 18 connect special one and lead three limps, and limp rear side hangs up 2 φ 28 masters released from tensioner straining pulley and holds Rope and a ropeway hauling rope of φ 18 are carried, the pull ropes of φ 18 are mounted in centre；

Starting hauling machine and tensioner carries out one and leads three tension stringing operations stopping before discharging end corner block is arrived in limp, Face anchor and live each steel wire rope, pull down limp；Then by limp before and after two steel wire ropes of φ 18 with rotary connector connect it is follow-up Continuous traction stops when the ropeway hauling rope heads of φ 18 are reached before hauling machine, steel wire rope is separated into hauling machine after reliably facing anchor, together When three steel wire ropes facing before anchor tensioner and separate tensioner, so far tension stringing terminates,

Above-mentioned is the tension stringing operation procedure that bicable ropeway carries rope and pull rope, and monocable ropeway is fewer than bicable ropeway one Main carrying rope, construction party refers to said procedure and formulates monocable ropeway tension stringing measure,

10）Primary and secondary carrying rope is installed

Before the 40t earth anchors of discharging end respectively by two main ropes of φ 28 on 20t hoisting cable anchorage devices after two circles with it is special simultaneously Ditch wire clamp card is connected by 20t Lever Blocks behind jail with the earth anchor pull-rods of φ 36, and carrying rope is paid with method operation,

Divided with fixing-line device with hanging over the 10t 3-3 tackle pulleys on main carrying rope earth anchor by 20t tensiometers in feeding end stretching The main ropes of φ 28 are not tightened to the tension value for planning sth. ahead, or do not hang tensiometer with the unloaded relaxation of control shelves computed in advance Degree control, is then directed at main suspension rod center and prints on the main rope on each support, corner coaster is paid special attention to during stringing Pre- inclined situation；

Each support print it is complete, with discharging end equally by line more than main rope on 20t hoisting cable anchorage devices around Liang Quan, then with special and ditch Wire clamp card is connected by 20t Lever Blocks behind jail with earth anchor pull-rod, then tightens up Lever Blocks, and degree of tightening up a little be defined by being printed, Remove stringing tackle pulley；

On straight line support, divide on hanging plate before and after three auxiliary flex holders being placed in advance by main suspension rod and double rope support line rollers Not Gua 3t Lever Blocks, three wheel line tackles of being dismantled two main ropes and pull rope are lifted simultaneously after load onto double rope support lines Pull rope is rested on support line roller after roller,

Main line folder is installed at two main ropes print respectively, then raising main rope makes main line press from both sides the installation on the main suspension rod of alignment Hole, main suspension rod is passed through by main shaft, and nut has been sold after being then passed through main line folder, and the main shaft other end is connected with upper connecting rod, by upper connecting rod On two-way bolt tighten,

Main line folder with bracket at corner is installed as straight line support, lays three auxiliary flex holders, and will be hung on the outside of corner Coil holder is connected with main suspension rod or crossbeam with steel wire loop to be tightened up, and flex holder toward corner medial movement is prevented, in main rope flex holder two End one 9t Lever Blocks of each extension, main rope is lived by fixing-line device anchor, and middle pull rope then adds fixing-line device anchor with 3t Lever Blocks Firmly pull rope, while tightening up both sides Lever Blocks, makes to lay down three wheel line tackles after the main rope and pull rope of centre are lax, in master Main line folder and then adjustment Lever Blocks are installed by the rope place of printing makes main line folder be aligned with the mounting hole of main suspension rod, is passed through from main suspension rod side Main shaft, lock nut mixes up connecting rod, finally installs double rope support line rollers and rests on support line roller pull rope, carries out paying carrying rope Stringing install；

11）Pull rope is installed：

Cableway tractor be arranged to pay cableway and a Lever Blocks centre position, will pay cableway side pull rope on traction wheel disk It is good, the pull rope of main rope road side is faced into anchor good；

Start hauling machine tighten up pull rope to its sag it is parallel with cableway sag, face anchor firmly tail rope, Ran Houjin in traction end The two ends grafting of row pull rope, makes loop-like；

Hauling machine wants more than 3m away from its earth anchor pull-rod mouthful, to tighten pull rope at any time；

12）Checked and trial operation.