CN100542923C - Main push-towing rope twines a machine and twines a method - Google Patents

Main push-towing rope twines a machine and twines a method Download PDF

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Publication number
CN100542923C
CN100542923C CNB2007101684643A CN200710168464A CN100542923C CN 100542923 C CN100542923 C CN 100542923C CN B2007101684643 A CNB2007101684643 A CN B2007101684643A CN 200710168464 A CN200710168464 A CN 200710168464A CN 100542923 C CN100542923 C CN 100542923C
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China
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silk
twines
twine
cord clip
towing rope
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CNB2007101684643A
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Chinese (zh)
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CN101200875A (en
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巫书郁
鄢怀斌
王员根
赵梅桥
汪西昌
夏朝鹃
庞凤起
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中铁大桥局集团第七工程有限公司
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Abstract

Main push-towing rope twines a machine and twines a method, relate to a kind of on main rope of suspension bridge close circle twine the device of galvanized mild steel silk and twine a method.Main push-towing rope twines a machine by main frame, forward and backward holding frame, and guide beam is formed.Twining a method is, first cord clip end main push-towing rope twines silk, and internode twines silk again, and terminal cord clip end main push-towing rope twines silk, and gear ring is crossed folder, and the initiating terminal end of preparing second internode again twines silk.Main frame of the present invention and holding frame can alternately travelings on main push-towing rope; But the rotative speed of main frame and traveling speed infinite speed variation, accurately coupling can twine silk by close circle; The rotation gear ring dodge gate is arranged, cord clip and suspension cable be convenient to by, walking wheel can be crossed over cord clip automatically; This main push-towing rope twines that a machine winding tension is stable, adjustable size, regulation and control are convenient, twine an efficient height, quality is good, is suitable for twining silk under the different operating modes, processing ease, safe and reliable.The present invention mainly is used in suspension bridge and sets up the later stage to make main push-towing rope anticorrosion, and close then circle twines the galvanized mild steel silk, forms permanent protective cover, the main push-towing rope long service life.

Description

Main push-towing rope twines a machine and twines a method

Technical field

The present invention relates to a kind of on main rope of suspension bridge close circle twine the device of galvanized mild steel silk and twine a method.

Background technology

Suspension bridge meets that modern bridge is striden greatly, heavy duty, developing direction attractive in appearance, because main push-towing rope is the agent structure of suspension bridge, its protection is outstanding to show important, and the traditional method of main cable protection is to be coated with the non-drying antiseptic plaster earlier, and close again circle twines silk, at last paint.So main push-towing rope twines the main specialized equipment that a machine is the suspension bridge installation.So that similar devices abroad to be arranged but because of price high, insufficiency and make development person's development home equipment of making a decision, its structure, function are target to reach or to be better than international sophisticated equipment all, through the more than ten years effort, finally develop main push-towing rope and twine a machine and twine a method, and successfully be applied in domestic many especially big suspension bridge constructions.

Summary of the invention

The objective of the invention is at above-mentioned present situation, the main push-towing rope that aims to provide a kind of suspension bridge main rope winding protection twines a machine and twines a method.

The implementation of the object of the invention is, main push-towing rope twines a machine, by four most of compositions of main frame, forward and backward holding frame, guide beam,

The frame 1 of main frame is a door type under shed framework, the bull gear carrying roller is installed on housiung separator and the A-pillar, quadruplet clamping mechanism 7 is installed on the side column, main transmission 3 and traveling driving system 4 are installed in the end face both sides, running mechanism 6 is installed in the center, and down either side is equipped with hydraulic power unit 5 and tool box, and there is pull bar the column below of the corresponding clamping point of opening part of framework, guide beam 8 connects forward and backward holding frame 9

The frequency modulation motor 21 of main transmission connects epicyclic reduction gear 22, epicyclic reduction gear 22 connects front end driving device 23 by denture clutch 26, the miniature gears 24 that connects with front end driving device 23 connects with bull gear 12, and escapement 25 is arranged on the front end driving device 23

Install on bull gear 12 end faces and twine a mechanism 2, bull gear 12 has the breach of crossing over cord clip, indentation, there load fishplate bar 14, dodge gate 13, taper pin 15, the storage silk wheel 16 that is installed on the bull gear 12 is curled hair tubes, on its endoporus two ends and the anchor shaft friction wheel is housed, the tightening device 17 that is installed on the bull gear 12 is made up of two groups of friction wheels and a spring compensator 18, and the end twines an annex 19 and is contained on the bull gear 12, is used near the main push-towing rope of cord clip and twines silk.

Main push-towing rope twines a method that twines of a machine, and concrete steps are as follows:

(1) to being about to twine the sections of silk, removes foreign material on the main push-towing rope, with the greasy dirt and the sand and dust on solvent cleaning main push-towing rope surface;

(2) adjust and twine silk and the speeds match of traveling relation, promptly twine a gear ring and whenever turn around, machine traveling twice steel wire diameter or pitch, tension adjustment is required numerical value extremely;

(3) initiating terminal, the main push-towing rope of cord clip end twines silk:

A, installation storage silk wheel 16 and end twine an annex 19, and wear around steel wire 20, and main frame marches to the end and twines an annex front end apart from cord clip tip spacing 30mm place,

B, motor speed is transferred to about 150r/min,

C, will twine silk silk head with combination pliers and turn round on the bolt that hangs over cord clip,

D, carry out the end and twine silk, twine to shut down to 3 circle backs and carry out on request and connect weldering, postwelding keeps weldering slope height 3mm with polishing lathe polishing weldering slope, the steel wire that twines is pushed in cord clip 10 end grooves,

E, crawl end twine silk 3~4 circles and push to shut down behind the cord clip end, throw off to twine a denture clutch 26, and the reversal of machine traveling twines the wire vent of an annex until the end and stops with having twined the concordant back of steel wire,

F, the denture clutch 26 that closes continue crawl and twine silk, normal after, twine silk continuously, twine silk to stopping apart from the about 600mm in cord clip end,

G, on request and the welding steel silk, and polishing weldering slope,

H, reversal of machine crawl, free end twines the steel wire on the annex, and remove the end and twine an annex,

I, disengagement denture clutch 26, the reversal of machine traveling, the empty wagons traveling stops with the steel wire that has twined is concordant until the wire vent of the tension wheel of tightening device,

(4) internode twines silk:

Initiating terminal twines silk finish after, then carry out internode and twine silk, internode twines the every interval of silk and carries out once and connect weldering for 1 meter, the weldering position should be in the pairing circular arc scope of 30 ° of central angles of main push-towing rope upper surface,

(5) main push-towing rope of terminal cord clip end twines silk

When A, internode twine thread close next cord clip, twine a speed and slow down, at main push-towing rope tilting section take care a silk volume or a bull gear scratching suspension cable,

B, welding steel silk block one,

C, a joint steel wire that will twine slowly push away to be beaten to advancing in the cord clip end slot, and to add wedge bonding solid with cord clip,

D, continue to push away and play second steel wire that twined of joint, until close circle row silk to a previous stop position,

E, welding steel silk, and block,

F, be retracted into passed steel wire after, do not have an origin or beginning, the silk head that twines the silk part and play the termination wire bond firm,

G, continuation normally twine silk to a previous dock, draw close with the sections steel wire before before pushing to, weld, and cut off a silk head then, polish flat,

(6) gear ring is crossed folder:

A, with gear ring be threaded to be opened under, pull down the connecting panel 14 and the taper pin 15 of dodge gate 13, open dodge gate 13,

B, hang up properly the gear ring anti-rotation and be tied to pull chain, throw off denture clutch 26,

C, startup main frame traveling driving system 4 make gear ring cross cord clip 10 at a slow speed, and cross the about 600mm of cord clip end face until the gear ring front end face and stop,

D, close and restore and bolt permanent tooth circle dodge gate 13, the denture clutch 26 that closes,

E, load onto the end and twine an annex 19, extract the bolt chaining bar on the gear ring, the initiating terminal end of preparing second internode twines silk.

When main push-towing rope twined the work of a thread machine, the rotatablely moving of bull gear drove the silk device that twines on it, and bifilar galvanized mild steel silk twines main push-towing rope, with frequency modulation control rotation and running motor rotating speed, make to twine silk and accurately mate with traveling,, realize that close circle twines silk with the velocity feedback correction of deviation.

The present invention has following characteristics:

(1) leading a machine that twines and holding frame can be along main push-towing rope alternately voluntarily, and scope of work can reach main push-towing rope whole process, does not need external agency's traction, and traveling gear has increased substantially operating efficiency fast;

(2) run into cord clip and hoist cable, hydraulic-driven sends signal, crosses over the energy continuous walking automatically;

(3) rotating part rotating speed and traveling speed mate automatically, accomplish to twine silk one and enclose the circle that links closely, and by micromatic setting, can adapt to the variation range that twines a pitch or diameter tolerance.

The steel wire maximum tension can reach 2.8KN when (4) twining thread, and can effectively regulate and fix;

(5) can twine a main push-towing rope internode whole process, twine an annex, overcome the dead angle that forms between cord clip and gear ring, can twine silk, also overcome the cord clip two ends and embedded a difficult problem that twines silk to the cord clip end by the end;

(6) processing ease, numeric display, very clear, safe and reliable.

Main twine a machine to adapt to a diameter be φ 250~φ 1200mm main rope of suspension bridge, main application is to set up the later stage at suspension bridge to make main push-towing rope anticorrosion, and close then circle twines the galvanized mild steel silk, forms permanent protective cover, prolongs main rope of suspension bridge service life.

Description of drawings

Fig. 1 a, b are main twine a master of mechanism, lateral plans

Fig. 2 twines a mechanism arrangement structural representation

Fig. 3 is the main drive gear structural representation

Fig. 4 is the running mechanism structural representation

Fig. 5 is a hydraulic system principle figure

The specific embodiment

With reference to Fig. 1 a, b, a main machine that twines is made up of main frame, forward and backward holding frame, guide beam four major parts.

The effect of each mechanism and principle division are as follows:

(1) main frame: the frame 1 of main frame is a door type under shed framework, is formed by shaped steel and steel plate welding.It crossbeam and A-pillar on the bull gear carrying roller is installed; Quadruplet clamping mechanism 7 is installed on its side column; Main transmission 3 and traveling driving system 4 are installed in the end face both sides, and running mechanism 6 is installed in the center.For center of gravity is reduced, the frame down either side is equipped with hydraulic power unit 5 and tool box.

There is pull bar the column below of the corresponding clamping point of opening part of framework, should install pull bar when desire clamps main frame earlier and clamp main frame again on main push-towing rope 11, but after unclamping the main frame clamping mechanism, should pull down this pull bar, and it is used on the holding frame 9.

(2) clamping mechanism: full machine has eight covers and clamps mechanism 7, main frame quadruplet, forward and backward holding frame 9 each two cover.Clamp to manually, be aided with special wrench, clamp handwheel, two people exert all one's effort together, make it to produce at least the clamping torque of 80Kg-m.The basic structure of clamping mechanism is screw mandrel, nut and brake shoe.

(3) transmission device: with reference to Fig. 3, main transmission 3 is driven by frequency modulation motor 21, rating horsepower 15KW, and adjustable speed in 116~1450r.p.m scope, and adopt epicyclic reduction gear 22 to slow down.Motor connects hydraulic push-rod brake, braking is not steadily had impact.Front end has denture clutch 26, connects front end driving device and miniature gears 23, reaches bull gear 12 then, gives twining rotatablely moving of silk.Denture clutch may command bull gear changes and does not change, and the movable breach of gear ring is opened the requirement of passing through when crossing over cord clip and suspension cable to adapt to.Escapement 25 is arranged on the front end driving device, and the effect of invar thread tension makes the gear ring counter-rotating when preventing to stop, and prevents that the silk that has twined from unclamping.The bull gear rotation both can be mated with the traveling action, also can rotate separately, as change several circles on the spot when crossing cord clip front ring gear position adjustment and twine cord clip end embedded part.

(4) twine a mechanism: with reference to Fig. 2, twine a mechanism 2 and be installed on bull gear 12 end faces, a realization winding action that rotatablely moves by bull gear, two lean on the traveling speed that is complementary with rotation to realize arranging steel wire.The wide of serpentine section steel wire is 7mm, is 4.5mm but twine a pitch, and promptly bull gear turns around, and main frame walking 9mm is fully within the infinite speed variation range comprehension of machine.This machine adopts double end to twine a mode, so two cover identical mechanism are arranged on the gear ring.

Twine a mechanism 2 and include bull gear 12, storage silk wheel 16, tightening device 17, all be contained on bull gear 12 end faces.The cord clip end is twined silk, and also design has the end to twine an annex 19.

A, bull gear: bull gear 12 is a driver element, is again the carrier that twines a parts.When crossing over cord clip, gear ring has breach for avoiding suspension cable on it, and indentation, there dress dodge gate 13 makes breach down when crossing folder, unloads taper pin 15, takes off connecting panel 14, opens dodge gate 13.Shut dodge gate 13 again after crossing over cord clip, load onto connecting panel 14 and taper pin 15.

The rotatablely moving of bull gear drives and to twine silk device 2 on it, and 20 pairs of main push-towing ropes of bifilar galvanized mild steel silk twine, and with frequency modulation control rotation and running motor rotating speed, makes to twine silk and accurately mate with traveling, with the velocity feedback correction of deviation, realizes that close circle twines silk.Mainframe on main push-towing rope traveling and holding frame walk the same set of transmission device of behavior, the two hockets.The tensile force that twines silk has adjustable mechanism, satisfies the tension value requirement that the different construction stages of main push-towing rope twine silk.

The basic structure of B, storage silk wheel 16 is curled hair tubes.On its endoporus two ends and the anchor shaft friction wheel is housed all, friction force relies on shaft end nut and spring to regulate.When steel wire formed tension force on tightening device, the friction force on the storage silk wheel only played " beating slightly " (restraining function).The some more then internode wire joints of storage silk wheel storage silk amount are less, both shortened the non-cutting time of joint, improved again to twine yarn quality, so each storage silk wheel of this machine curled hair 300Kg (two coil 600Kg) in advance satisfies not joint or lack the requirement of joint of internode fully.

C, tightening device: tightening device 17 is made up of two groups of friction wheels and a spring compensator 18.Tension force when twining thread is formed by the friction drag of array friction wheel, and the size of power is adjusted by the positive pressure size that nut applies.The tension compensating wheel 18 that is positioned on the spring compensator between two friction wheels is to take turns the subtle change of putting degree of tightness in the process in order to compensation storage silk, and the bull gear center does not overlap the length variations amount that causes with the main push-towing rope center.

The big I of tension force is read from the control box read-out, tension detecting device converts the deflection of spring that tension force produces to displacement variable Δ L, functional relation by T=f (Δ L) is transferred to signal the wireless launcher that rotates on the gear ring, feedway can make the fixing operation case receive in the 20m scope, and with numeric display on read-out, accuracy rate 0.1KN.

Tension force is too small or cross big city and have a negative impact to twining silk.Tension force is too small, and to twine silk loose excessively, protection was lost efficacy, and overtension is easily broken steel wire, and influence twines that thread everything goes well with your work carries out.Overtension also makes and twines an acc power increase, and structure also requires stronger, can change predetermincd tension by setting device and obtain revising

When D, cord clip end twined thread, near cord clip, design had the end to twine an annex 19 for to greatest extent.

(5) traveling driving system: with reference to Fig. 4, the traveling driving system is by system and quick transmission are formed at a slow speed.When normally twining thread, usefulness be system at a slow speed.System is by Frequency Adjustable driven by motor twin-stage cycloidal-pin wheel retarder and the transmission of worm screw case at a slow speed.Power is reached on the winch, and the fag end of the winch other end is fixed on main push-towing rope and twines on the other traveling traction fixed end bearing pin of second cord clip in machine the place ahead.Traveling and gear ring coupling is by digital transmission module control, and by travel switch, speed detects, and fault detection is followed the tracks of mode such as compensation and reached precision-matched, avoids twining occurring excessive clearance or the overstocked sieve phenomenon that changes in the silk, reaches the requirement of close circle.

The steel rope of winch is selected for use not rotary-type, and the pre-stretch-draw of disrumpent feelings load of previous crops 1/2 is installed, and eliminates its inelastic deformation.

By the clutch (being preferably in clutch under the main frame clamped condition) of denture clutch, the traveling transmission is variable fast.When needs quick travel main frame, the speed mobile host that it can 14.56m/min.And save non-cutting time especially fast during mobile holding frame 9, improve the reliable assurance of effect.Need trailing cable is walked around the pulley of the traveling traction fixed end clip in machine the place ahead this moment, rotary head is fixed on the holding frame 9 termination towing pins, and the speed of holding frame 9 quick travel is 14.56m/min.

(6) hydraulic pressure is crossed over the cord clip system

High-strength nylon walking wheel in the running mechanism 6 is made hyperbola, does not hinder the main push-towing rope zinc coating in the rolling, and the walking wheel lifting is carried out by hydraulic ram with the whereabouts.When walking wheel closed on cord clip 10 ends, one group of tight pulley in its place ahead had just in time been gone up the cord clip face, plays interim supporting role.Run into the preceding give a signal of cord clip, just signal is sent to the PLC in the control box, control system is sent instruction, and hydraulic directional control valve 27 automatic reverses make cylinder action, walking wheel are raised up to the height of cord clip.Walking wheel by cord clip, has been crossed cord clip smoothly, and walking wheel falls again automatically.

The installation site of walking wheel can change by adjusting cushion block, and diverse location can coincide with the center of main push-towing rope different-diameter, thereby the setting height(from bottom) that changes walking wheel can change the diameter that machine is suitable for main push-towing rope, thereby reaches a tractor serves several purposes.

Hydraulic system working pressure 16MPa because design has energy storage and hydraulic lock, makes that system is more reliable, safety.

Main frame has the walking wheel quadruplet, and holding frame 9 has walking wheel two covers, all with tight pulley, the supporting use of sensor.

(7) electric system

Native system adopts and exchanges three-phase and four-line 380/220V 50HZ power supply system, by electrical panel power supply on the cat road; It is the control core that control system adopts with a PLC, and the High Performance vector-control frequency converter that adopts the band tachogenerator is that the accurate coupling that twines silk and main frame traveling kinematic velocity is controlled; Adopting the micropower wireless data transmission module that winding tension is sent to display unit shows; Adopt electromagnetic induction near switch, the automatic guidance hydraulic efficiency pressure system is crossed over cord clip.

1. main rotating machine and the control that twines silk (at a slow speed) running motor

Main rotating machine M1 is frequency control motor with twining silk (at a slow speed) running motor M2, adopts G7 series variable-frequency governor U1, U2 to carry out variable frequency regulating speed control respectively.Main rotating machine and twine the silk (at a slow speed) running motor high speed shaft the photoelectric encoder (PG1 that tests the speed all is housed, PG2), speed signal feeds back to frequency converter U1 respectively, U2, (physical interface: the target velocity that RS485) sends relatively by the MEMOBUS network with PLC on the one hand for this speed signal, improve control accuracy and improve moment characteristics, on the other hand by the MEMOBUS network, speed is sent to PLC, PLC is according to main rotating machine and twine the speeds match of silk between (at a slow speed) running motor and concern algorithm, send main rotating machine M1 respectively, the speed control order of running motor M2 is more accurately mated the speed between main rotating machine M1 and the running motor M2 to reach.Can carry out hand adjustment by acceleration or deceleration trim button on the control box for twining an accumulated error.

2. the measurement of winding tension and demonstration

Tension detecting device converts the deflection of spring that tension force produces to displacement variable, this variable quantity and tension force functional relation in direct ratio.This machine is equipped with 2 high-precision displacement pickups on bull gear, can with the distortion synchronous shift of 2 cover tension detecting device springs, the micropower digital transmission module of this displacement through being installed on the bull gear carries out digital processing and efficient forward error correction coding, after the FSK high frequency modulated, be sent to receiving device again with wireless form.After receiving device is received this signal,, after PLC handles, deliver to display unit and show through being sent to PLC after demodulation and the decoding.When tension force was unusual, PLC can in time send the sound and light alarm signal, and alarming value is adjustable.

3. hydraulic efficiency pressure system is crossed over the control of cord clip automatically

With reference to Fig. 5, the forward and backward electromagnetic proximity switch that all is equipped with of oil cylinder 28 on the holding frame 9 and main frame traveling oil cylinder, when walking wheel during near cord clip, front end is near switch closure, PLC modulated pressure change-over valve 27, control oil cylinder 28 is raised up to the height of cord clip, when walking wheel left cord clip, the rear end was found out walking wheel near switch and has been left cord clip, and switch disconnects, PLC modulated pressure change-over valve, the control oil cylinder falls to the cable surface.Also be provided with electromagnetic valve automatic/hand change-over swith on the control box, beat when manual, can manually control the lifting of oil cylinder when switch.

Claims (2)

1, main push-towing rope twines a machine, it is characterized in that forming by main frame, forward and backward holding frame, guide beam four major parts,
The frame of main frame (1) is a door type under shed framework, the bull gear carrying roller is installed on housiung separator and the A-pillar, quadruplet clamping mechanism (7) is installed on the side column, main transmission (3) and traveling driving system (4) are installed in the end face both sides, running mechanism (6) is installed in the center, and down either side is equipped with hydraulic power unit (5) and tool box, and there is pull bar the column below of the corresponding clamping point of opening part of framework, guide beam (8) connects forward and backward holding frame (9)
The frequency modulation motor of main transmission (21) connects epicyclic reduction gear (22), epicyclic reduction gear (22) connects front end driving device (23) by denture clutch (26), the miniature gears (24) that connects with front end driving device (23) connects with bull gear (12), escapement (25) is arranged on the front end driving device (23)
Install on bull gear (12) end face and twine a mechanism (2), bull gear (12) has the breach of crossing over cord clip, indentation, there load fishplate bar (14), dodge gate (13), taper pin (15), the storage silk wheel (16) that is installed on the bull gear (12) is a curled hair tube, on its endoporus two ends and the anchor shaft friction wheel is housed, the tightening device (17) that is installed on the bull gear (12) is made up of two groups of friction wheels and a spring compensator (18), the end twines an annex (19) and is contained on the bull gear (12), is used near the main push-towing rope of cord clip and twines silk.
2, the described main push-towing rope of claim 1 twines a method that twines of a machine, it is characterized in that concrete steps are as follows:
(1) to being about to twine the sections of silk, removes foreign material on the main push-towing rope, with the greasy dirt and the sand and dust on solvent cleaning main push-towing rope surface;
(2) adjust and twine silk and the speeds match of traveling relation, promptly twine a gear ring and whenever turn around, machine traveling twice steel wire diameter or pitch, tension adjustment is required numerical value extremely;
(3) initiating terminal, the main push-towing rope of cord clip end twines silk:
A, installation storage silk wheel (16) and end twine an annex (19), and wear around steel wire (20), and main frame marches to the end and twines an annex front end apart from cord clip tip spacing 30mm place,
B, motor speed is transferred to about 150r/min,
C, will twine silk silk head with combination pliers and turn round on the bolt that hangs over cord clip,
D, carry out the end and twine silk, twine to shut down to 3 circle backs and carry out on request and connect weldering, postwelding keeps weldering slope height 3mm with polishing lathe polishing weldering slope, the steel wire that twines is pushed in cord clip (10) end grooves,
E, crawl end twine silk 3~4 circles and push to shut down behind the cord clip end, throw off to twine a denture clutch (26), and the reversal of machine traveling twines the wire vent of an annex until the end and stops with having twined the concordant back of steel wire,
F, the denture clutch that closes (26) continue crawl and twine silk, normal after, twine silk continuously, twine silk to stopping apart from the about 600mm in cord clip end,
G, on request and the welding steel silk, and polishing weldering slope,
H, reversal of machine crawl, free end twines the steel wire on the annex, and remove the end and twine an annex,
I, disengagement denture clutch (26), the reversal of machine traveling, the empty wagons traveling stops with the steel wire that has twined is concordant until the wire vent of the tension wheel of tightening device,
(4) internode twines silk:
Initiating terminal twines silk finish after, then carry out internode and twine silk, internode twines the every interval of silk and carries out once and connect weldering for 1 meter, the weldering position should be in the pairing circular arc scope of 30 ° of central angles of main push-towing rope upper surface,
(5) main push-towing rope of terminal cord clip end twines silk
When A, internode twine thread close next cord clip, twine a speed and slow down, at main push-towing rope tilting section take care a silk volume or a bull gear scratching suspension cable,
B, welding steel silk block one,
C, a joint steel wire that will twine slowly push away to be beaten to advancing in the cord clip end slot, and to add wedge bonding solid with cord clip,
D, continue to push away and play second steel wire that twined of joint, until close circle row silk to a previous stop position,
E, welding steel silk, and block,
F, be retracted into passed steel wire after, do not have an origin or beginning, the silk head that twines the silk part and play the termination wire bond firm,
G, continuation normally twine silk to a previous dock, draw close with the sections steel wire before before pushing to, weld, and cut off a silk head then, polish flat,
(6) gear ring is crossed folder:
A, with gear ring be threaded to be opened under, pull down the connecting panel (14) and the taper pin (15) of dodge gate (13), open dodge gate (13),
B, hang up properly the gear ring anti-rotation and be tied to pull chain, throw off denture clutch (26),
C, startup main frame traveling driving system (4) make gear ring cross cord clip (10) at a slow speed, and cross the about 600mm of cord clip end face until the gear ring front end face and stop,
D, close and restore and bolt permanent tooth circle dodge gate (13), the denture clutch that closes (26),
E, load onto the end and twine an annex (19), extract the bolt chaining bar on the gear ring, the initiating terminal end of preparing second internode twines silk.
CNB2007101684643A 2007-11-26 2007-11-26 Main push-towing rope twines a machine and twines a method CN100542923C (en)

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