CN206417800U - A kind of double roller cylinder maneuvering milling machine with tension force take-up and limit square function - Google Patents

Abstract

It is a kind of disclosed in the utility model with tension force take-up and to limit the double roller cylinder maneuvering milling machine of square function, including transmission system and be connected with transmission system be twisted roller, be twisted the passive roller that roller is connected by active roll tube and with active roll tube and constitute, it is characterized in that：Also include：Tension force take-up mechanism, the mechanism one end is connected with being twisted roller, and the other end is connected by Chain conveyer and the gearbox primary shaft of transmission system；Limit twists away from clutch, is arranged on and is twisted in roller, and is connected respectively with transmission system, passive roller by power transmission shaft.Due to using said structure, double roller cylinder can be efficiently solved and be twisted the steel wire rope friction pair of machine and the mistake orientation problem of gear pair, it is possible to achieve double roller cylinder is twisted the adaptive dynamic equilibrium regulation under machine work state.

Description

A kind of double roller cylinder maneuvering milling machine with tension force take-up and limit square function

Technical field

The invention belongs to lifting equipment technical field, and in particular to a kind of pair with tension force take-up and limit square function Roller maneuvering milling machine.

Background technology

With the fast development of China's economic, to meet domestic industry and the every profession and trade such as civilian is to the growth need of electric power Ask, Chinese power construction is in the period greatly developed.Country proposes UHV transmission construction hair in " 13 " period Exhibition planning, to the year two thousand twenty before at least put into 700,000,000,000 funds, on " four hand over five straight " engineering foundation, follow-up extra-high voltage project point three Criticize and build, be to speed up building " five friendships eight are straight " extra-high voltage project first, secondly put into operation before 2018 " ten friendships two are straight " Extra-high voltage project, accelerates unified synchronised grids construction.Finally, the extra-high pressure network of " 13 " planning is put before the year two thousand twenty into operation Engineering is strengthened and improved to frame.

The construction project of power industry, its construction environment be mostly with field, severe, the conventional fortune of mountain area, transportation condition Defeated machinery is difficult to the lifting lifting means that work, especially high voltage transmission line construction are largely used.This kind of equipment is in power transmission and transformation Engineering, telecommunications, group vertical rod tower when communication engineering is constructed, trailing cable, stringing lead, lifting weight and instrument, and set up aerial Ultra-high-tension power transmission line and play an important role in laying cables underground.

At present in electric power telecommunications industry, used elevator is that one kind is easy to movement, is adapted to mountain area field and makees The maneuvering milling machine of industry.The maneuvering milling machine in this existing field is mostly that single roller is twisted mode, because considering that maneuvering milling machine exists During work high above the ground, single roller mode is twisted when fatigue damage occurs for roller, and steel wire rope just loses unique traction strong point, this The situation of kind will cause huge property, or even the safe loss of human life once occurring to construction.According to national grid pair The new demand of the motor-driven grinding mill machine equipment, and power industry standard, so-and-so company combine original single drum structure and transmission shape Formula, designs a kind of new double roller cylinder maneuvering milling machine（FM types double roller cylinder maneuvering milling machine）, preferably to meet electric power electricity Believe the demand of industrial construction development.During the model machine Contraction in Site, a large amount of serious reduction box cuttings are occurred in that Problem.By analysis, draw it is that speed reduction gear box transmission had the original for positioning and then producing interference with roller wire rope gearing Cause.In double roller cylinder manufacturing process, because two roller precision of manufacturing process can not be identical, traction of two rollers to steel wire rope There is deviation in speed, cause the steel wire rope on roller tension force occur and uprush.The tension force effect uprushed makes wheel at point of mesh Tooth stress is excessive, causes serious cutting phenomenon.

Double roller cylinder maneuvering milling machine in the market does not design the load balance device between double roller cylinder, such as China Double roller cylinder mentioned by application for a patent for invention publication No. CN105564444A is twisted machine without reference to two roller homeostasis of load The problem of regulation.And for example the double roller cylinder mentioned by Chinese practical patent application publication CN204490395U, which is twisted machine, does not have yet It is related to the problem of dynamic equilibrium loaded between two rollers is adjusted.And do not possess machine automatization take-up mechanism, be to depend on people mostly Power is being twisted roller outlet position drawing tail rope, and then completes take-up operation.2~3 people are generally required to be responsible in roller wire outlet position Drawing tail rope is put, it is necessary to apply 200 kilograms or so of tension force to steel wire rope to prevent steel wire rope from falling off on double roller cylinder existing As.This process seriously reduces complete machine operating efficiency, has run counter to the design concept of motor-driven grinding mill, and there is very big personnel's peace Full hidden danger.

The content of the invention

It is an object of the invention to provide a kind of double roller cylinder maneuvering milling machine with tension force automatic takeup and limit square function. Rationally, production cost is low for the machine compact conformation, and solve roller input and output two ends crosses positioning interference problem.

Realizing the technical scheme of the object of the invention is：

A kind of double roller cylinder maneuvering milling machine with tension force take-up and limit square function, including transmission system and and transmission system Connection is twisted roller, is twisted the passive roller that roller is connected by active roll tube and with active roll tube and constitutes, with prior art not Be：Also include：

Tension force take-up mechanism, the mechanism one end is connected with being twisted roller, and the other end is subtracted by Chain conveyer and transmission system Fast case driving shaft connection；

Limit twists away from clutch, is arranged on and is twisted in roller, and is connected respectively with transmission system, passive roller by power transmission shaft.

The tension force take-up mechanism includes running part and the take-up reel being connected respectively with the running part, winding displacement are twisted Wheel, take-up reel is connected with winding displacement reel, wherein：

Running part includes bridge shaft, carrier gear, bridge shaft sprocket wheel, chain, output shaft and output shaft sprocket wheel, carrier gear Engaged with the reduction box driving gear of transmission system, carrier gear and bridge shaft sprocket wheel are separately positioned on bridge shaft, bridge shaft It is fixed on by bearing on case box, output shaft one end and the overload-release clutch rigid attachment of take-up reel, the other end pass through Bearing is fixed on case box, and output shaft sprocket wheel is coupled by flat key with output shaft, and bridge shaft sprocket wheel, output shaft sprocket wheel pass through Chain link transmission；

Take-up reel includes twisted wire cylinder, reel cylinder axle, overload-release clutch and emergency braking mechanism, reel cylinder axle and reel cylinder Gap coordinates, and by spline drived, reel cylinder axle two ends are coupled by bearing with case box respectively, and overload-release clutch is with twisting Take turns cylinder axle one end rigid attachment；

Winding displacement reel includes the reciprocal lead screw shaft of double rotational directions, mobile pin and shaft coupling, and the reciprocal lead screw shaft of double rotational directions passes through connection Axle device is fixedly connected with bridge shaft, and the other end is fixedly connected by bearing with cabinet.

The reel cylinder is light cylinder, and its light cylinder both ends of the surface are respectively equipped with the convex disk of gear rope.

The emergency braking mechanism includes brake caliper, brake connecting rod and brake handle, and brake caliper is arranged on take-up strand The end face baffle both sides of one end are taken turns, and are connected by brake connecting rod with brake handle, brake handle is linked with case box.

The limit, which twists away from clutch, includes the quiet disk of clutch, clutch Moving plate and clutch end cover, wherein：The quiet disk of clutch with The roller connection of passive roller；Clutch Moving plate is coupled with power transmission shaft by spline, and with the quiet disk of clutch respectively in axial side To leaving gap；Clutch end cover couples with roller, clutch Moving plate respectively, and with central through hole and the power transmission shaft of passive roller Gap coordinates；

The roller is cylinder, and outer ring is provided with steel wire rope groove, after the tension torque increased on foot by steel wire rope, is turned round in limit It in the presence of clutch, can be skidded with respect to power transmission shaft, play the moment of torsion effect limited on roller, and then adjust and balance steel wire Rope tension.

It is through-hole structure inside the roller, roller two ends are connected with the quiet disk of clutch, clutch Moving plate respectively；In roller On the position of left and right ends, symmetrically screwed hole is offered centered on the center of circle respectively.

The screwed hole is that the interval angles between 6, each screwed hole are 60 degree.

The screwed hole rigid attachment that the quiet disk of clutch passes through cylinder countersunk head holding screw and roller.

The clutch end cover is disc structure, and its disk diameter is equal with roller, and symmetrical centered on circle disk center Two groups of screwed holes are offered, every group of screwed hole number is 6, and interval angles are 60 degree, wherein：

Screwed hole close to outer ring passes through bolt and roller rigid attachment；

The screwed hole of close inner ring is by hold-down bolt squeezing action in the clutch Moving plate of nexine.

Compared with prior art, the beneficial effects of the invention are as follows：

Due to using said structure, double roller cylinder can be efficiently solved and be twisted the steel wire rope friction pair of machine and the mistake of gear pair Orientation problem, it is possible to achieve double roller cylinder is twisted the adaptive dynamic equilibrium regulation under machine work state.

Brief description of the drawings

Fig. 1 is the overall structure diagram of the embodiment of the present invention；

Fig. 2 is the overall structure diagram of the embodiment of the present invention；

Fig. 3 is that double roller cylinder is twisted operating diagram；

Fig. 4 is roller assembling schematic diagram of the invention；

Fig. 5 assembles design sketch for the roller of the present invention；

Fig. 6 is the structural representation of roller.

Fig. 7 is Fig. 6 axial schematic diagram；

Fig. 8 is emergency braking mechanism schematic diagram.

In figure：The reduction box 2 of 1 transmission mechanism, 1.1 1.3 gearbox of gasoline engine 1.2. shaft couplings 1.4 is twisted roller The passive roller 2.2.1 limits of 2.1 active roll tube of cylinder 2.2 twist away from clutch 2.2.2 power transmission shaft 2.2.3 rollers 2.2.1.1 the quiet right clutches of disk 2.2.1.3 left clutches Moving plate 2.2.1.4 of the quiet disk 2.2.1.2 right clutches of left clutch Device Moving plate 2.2.1.5 left clutch end cap 2.2.1.6 right clutch end caps

2.2.1.5.1 right left fixing bolts of hold-down bolt 2.2.1.5.3 of left hold-down bolt 2.2.1.5.2 2.2.1.5.4 right cylinder sunk screws of the left cylinder countersunk head holding screw 2.2.1.1.2 of right fixing bolt 2.2.1.1.1 2.2.3.1 the winding displacement reel of 3 tension force take-up mechanism of inner ring screwed hole 2.2.3.2 outer rings screw thread mouth, 3.1 take-up reel 3.2 3.3 running part 3.1.1 reels cylinder 3.1.2 crum shaft 3.1.3 overload-release clutch 3.1.4 emergency braking mechanisms 3.1.1.1 the convex disk 3.1.4.1 brake calipers 3.1.4.2 brake connecting rods 3.1.4.3 of gear rope brakes hand lever 3.2.1 bispins Yearn for multiple lead screw shaft 3.2.2 movement pin 3.2.3 shaft coupling 3.3.1 bridge shaft 3.3.2 carrier gear 3.3.3 mistakes Bridge axle sprocket wheel 3.3.4 chain 3.3.5 output shaft 3.3.6 output shaft sprocket wheels.

Embodiment

In order that the public can be fully understood by the technical spirit and beneficial effect of the present invention, applicant will be below with reference to accompanying drawing Embodiment to the present invention is described in detail, but description of the applicant to embodiment is not the limitation to technical scheme, appoints What is changed in the form rather than substance according to present inventive concept should all be considered as protection scope of the present invention.

Reference picture 1-2, a kind of double roller cylinder maneuvering milling machine with tension force take-up and limit square function of the present invention, including transmission System 1, is twisted roller 2, transmission system 1 includes described in tension force take-up mechanism 3.：Gasoline engine 1.1, shaft coupling 1.2, gearbox 1.3, reduction box 1.4.The roller 2 that is twisted includes：Active roll tube 2.1, passive roller 2.2.The tension force take-up mechanism 3 is wrapped Include：Take-up reel 3.1, wire-arranging mechanism 3.2, running part 3.3.The roller 2.2 includes clutch 2.2.1, power transmission shaft 2.2.2, roller 2.2.3

First, it is twisted link

The clutch 2.2.1 includes：The quiet disk 2.2.1.1 of left clutch, the quiet disk 2.2.1.2 of right clutch, left clutch Moving plate 2.2.1.3, right clutch Moving plate 2.2.1.4, left clutch end cap 2.2.1.5, right clutch end cap 2.2.1.6.It is described Roller 2.2.3 is cylindrical structure, and its cylindrical outer surface is machined with the interior of roller 2.2.3 described in six strand steel wire rope groove 2.2.3.3. Heart fabrication design is through-hole structure.The roller 2.2.3 end positions are machined with the locus of the quiet disk of above-mentioned clutch 2.2.3.4, the locus 2.2.3.5 that clutch Moving plate is installed, and two groups of centrosymmetric spiral shells are opened up in roller both ends of the surface Pit, every group of screwed hole number is six, is 60 ° per two neighboring bolt hole interval angles.Screw thread on the roller 2.2.3 Hole is the common closely-pitched internal thread hole in M8 × 1.Two groups of screwed holes are divided into inner ring screwed hole 2.2.3.1 and outer ring screwed hole 2.2.3.2.The quiet disk 2.2.1.1 of left clutch and the quiet disk 2.2.1.2 of right clutch are provided with and the roller on end face 2.2.3 the corresponding through holes of inner ring screwed hole 2.2.3.1.The quiet disk 2.2.1.1 of left clutch and the quiet disk of right clutch 2.2.1.2 centre is processed as through-hole form.It is processed as in the middle of clutch Moving plate 2.2.1.3 and clutch the Moving plate 2.2.1.4 Spline.The clutch left end cap 2.2.1.5, clutch right end cap 2.2.1.6 center are through-hole structure, and Ye centers pair Position is claimed to process two groups of through holes.The outer ring through hole non-threaded configurations are simple through-hole structure.The interior ring through hole be M10 × 1 common fine thread hole.The outer ring through hole is corresponding with the outer ring screwed hole 2.2.3.2 of the roller 2.2.3.The transmission Axle 2.2.2 is spline structure.

Fig. 3-8 are referred to, the roller 2.2.3 coordinates with the power transmission shaft 2.2.2 gaps to be assembled.The left clutch is quiet Disk 2.2.1.1, the quiet disk 2.2.1.2 of right clutch and the power transmission shaft 2.2.2 are that gap coordinates assembling.The left clutch Moving plate 2.2.1.3, right clutch Moving plate 2.2.1.4 is that spline couples with the power transmission shaft 2.2.2.The clutch left end cap 2.2.1.5, the clutch right end cap 2.2.1.6 and power transmission shaft 2.2.2 is that gap coordinates assembling.The quiet disk of left clutch 2.2.1.1, the quiet disk 2.2.1.2 of right clutch passes through cylinder countersunk head holding screw and the roller 2.2.3 rigid attachments.The left side Clutch Moving plate 2.2.1.3, right clutch Moving plate 2.2.1.4 are located between the quiet disk of the clutch and clutch end cover.It is described Clutch left end cap 2.2.1.5, clutch right end cap 2.2.1.6 pass through bolt and the roller 2.2.3 rigid attachments.It is described from The left clutch that inner ring screwed hole passes through one group of bolt presses nexine on clutch left end cap 2.2.1.5, clutch right end cap 2.2.1.6 Device Moving plate 2.2.1.3, right clutch Moving plate 2.2.1.4.

The present invention so works：When the type is twisted two drum structure size zero deflection ideal situation described in machine, institute Power transmission shaft 2.2.2 is stated to be driven to the left clutch Moving plate 2.2.1.3, right clutch Moving plate 2.2.1.4 input torques by key. The left clutch Moving plate 2.2.1.3, the hold-down bolt that right clutch Moving plate 2.2.1.4 is covered by the clutch end squeeze Pressure is acted on, and produces static friction effect respectively with the quiet disk 2.2.1.1 of the left clutch, the quiet disk 2.2.1.2 of right clutch, formation rubs Wipe torque and pass to the roller 2.2.3.The moment of friction can set certain rated value W by experiment with calculating_f。 The roller 2.2.2 does work further through rubbing action to steel wire rope, and then completes lifting operation.

When the type is twisted described in machine there is deviation in two drum structure sizes when, the roller is at this moment caused due to dimensional discrepancy Cylinder, which is crossed, to be positioned.As hoisting depth increases, irrational phenomenon of uprushing can occur for the steel wire rope tension on the roller 2.2.3, When steel wire rope tension pair roller barrel formation torque exceed the quiet disk 2.2.1.1 of the left clutch, the quiet disk 2.2.1.2 of right clutch with The maximum static friction torque W that the left clutch Moving plate 2.2.1.3, right clutch Moving plate 2.2.1.4 can be provided_fWhen, it is described from Clutch is changed into released state, causes the roller 2.2.3 to be skidded relative to the power transmission shaft 2.2.2 and rotates, reaches unloading steel wire rope The effect of upper irrational power.When steel wire rope tension is unloaded and reaches balance again, the clutch is changed into occlusion again State.The type of belt drive recovers the beginning state of so far process again.The balance of the next round of the roller 2.2.3 is limited Turn round.

The roller drive mechanism that the double roller cylinder for twisting away from clutch balanced protection using limit is twisted machine is under dynamic loading Regulation is turned round by the roller itself limit, a kind of structure of load balance is reached.The present invention devises a set of limit and twists away from clutch, changes Become type of belt drive, and then due to crossing the gear pitting corrosion for positioning and producing, cutting before can solving, fracture problem.

2nd, tension force take-up link

Starting before engine 1.1 starts to be twisted work, by steel wire rope according to from the take-up reel 3.1, the row Mobile lever 3.2.2, the passive roller 2.2, the active roll tube 2.1 on line mechanism 3.2, weight is carried, cloth is good successively Line.

Start engine 1.1 to start to be twisted work, the active roll tube 2.1, the passive roller 2.2, the double rotational directions Reciprocal lead screw shaft 3.2.1, the take-up reel 3.1 is rotated simultaneously.In a bit of time after the startup of engine 1.1, by In steel wire rope tension be not enough to the double roller cylinder produce rubbing action, so just start start short time in, double roller cylinder with There is slipping state in steel wire rope.For the take-up reel 3.1, because steel wire rope is integrally fixed on the take-up reel 3.1, institute So that the incipient stage carries out drawing-in motion by the take-up reel 3.1, with the traction to weight, and steel wire rope is gradually wound on institute State on take-up reel 3.1, while steel wire rope tension is also in increase, when tension value increases to 200 kilograms or so, steel wire rope is to institute State double roller cylinder and produce rubbing action, now the double roller cylinder starts to take over the traction function of the take-up reel 3.1, starts by institute State double roller cylinder and traction enhancement operation is carried out to weight.The effect of the overload-release clutch 3.1.3 is limited to the take-up reel 3.1 moment of torsion input.The real-time torque limit of the take-up reel 3.1 can only realized into the certain threshold value of steel wire rope holding Below the peak value of tension force.

During being twisted, the wire-arranging mechanism 3.2, the take-up reel 3.1 belongs to linkage action with double roller cylinder Form.First by the design of the gearratio to the running part 3.3, make the take-up reel 3.1 and double roller cylinder External diameter linear velocity is consistent.The rotation of the bridge shaft 3.3.1 is changed into straight reciprocating motion by the wire-arranging mechanism 3.2, Its linear motion and relation of the take-up reel 3.1 rotation are：The per revolution of take-up reel 3.1, mobile lever 3.2.2 the distance of a wirerope diameter is moved.Moving direction is steel wire rope inlet wire direction.The reciprocal lead screw shaft of double rotational directions 3.2.1 there are two kinds of in opposite direction, pitch identical trapezoidal threads, when the mobile lever 3.2.2 is moved to the double rotational directions It is for linear motion to opposite direction because drag effect can carry out automatic reverse during reciprocal lead screw shaft 3.2.1 one end ends, continue Tuning effect is carried out to steel wire rope.Make steel wire rope enter the take-up reel 3.1 before with the axis direction of take-up reel 3.1 In vertical direction.Play the wire arrangement function of steel wire rope take-up.

The progress worked with take-up, steel wire rope coiling diameter on the take-up reel 3.1 is increasing, due to described The rotational angular velocity of take-up reel 3.1 is certain, after the increase of wirerope-winding diameter, and the take-up reel 3.1 can be caused actual External diameter linear velocity is more than the external diameter linear velocity of double roller cylinder, produces unnecessary tension force and increases on foot, when tension force increases to certain value When, the driving torque that the overload-release clutch 3.1.3 can be inputted to the take-up reel 3.1 can not provide equal tension force When.Relative slip will occur in the overload-release clutch 3.1.3, and sliding friction effect is changed into from static friction effect before, by In mechanical knowledge：Maximum static friction force is about equal to force of sliding friction.So the take-up reel is now still according to quiet before The rotary state of rubbing action and rotate.The effect of the overload-release clutch 3.1.3 is：The real-time strain value of tail rope is adjusted, is made It is stably maintained within certain threshold value.

Claims (10)

1. it is a kind of with tension force take-up and limit square function double roller cylinder maneuvering milling machine, including transmission system and with transmission system connect What is connect is twisted roller, is twisted the passive roller that roller is connected by active roll tube and with active roll tube and constitutes, it is characterized in that：Also wrap Include：

Tension force take-up mechanism, the mechanism one end is connected with being twisted roller, and the other end passes through Chain conveyer and the reduction box of transmission system Driving shaft is connected；

Limit twists away from clutch, is arranged on and is twisted in roller, and is connected respectively with transmission system, passive roller by power transmission shaft.

2. double roller cylinder maneuvering milling machine according to claim 1, it is characterized in that：The tension force take-up mechanism includes driving section Take-up reel, the winding displacement reel for dividing and being connected respectively with the running part, take-up reel are connected with winding displacement reel, wherein：

Running part includes bridge shaft, carrier gear, bridge shaft sprocket wheel, chain, output shaft and output shaft sprocket wheel, and carrier gear is with passing The reduction box driving gear engagement of dynamic system, carrier gear and bridge shaft sprocket wheel are separately positioned on bridge shaft, and bridge shaft passes through Bearing is fixed on case box, and output shaft one end and the overload-release clutch rigid attachment of take-up reel, the other end pass through bearing It is fixed on case box, output shaft sprocket wheel is coupled by flat key with output shaft, bridge shaft sprocket wheel, output shaft sprocket wheel pass through chain chain Connect transmission；

Take-up reel includes twisted wire cylinder, reel cylinder axle, overload-release clutch and emergency braking mechanism, reel cylinder axle and reel cylinder gap Coordinate, and by spline drived, reel cylinder axle two ends are coupled by bearing with case box respectively, overload-release clutch and reel cylinder Axle one end rigid attachment；

Winding displacement reel includes the reciprocal lead screw shaft of double rotational directions, mobile pin and shaft coupling, and the reciprocal lead screw shaft of double rotational directions passes through shaft coupling It is fixedly connected with bridge shaft, the other end is fixedly connected by bearing with cabinet.

3. double roller cylinder maneuvering milling machine according to claim 2, it is characterized in that：The reel cylinder is light cylinder, its light cylinder two End face is respectively equipped with the convex disk of gear rope.

4. double roller cylinder maneuvering milling machine according to claim 2, it is characterized in that：The emergency braking mechanism includes braking clamp Pincers, brake connecting rod and brake handle, brake caliper is arranged on the end face baffle both sides of take-up reel one end, and passes through brake connecting rod It is connected with brake handle, brake handle is linked with case box.

5. double roller cylinder maneuvering milling machine according to claim 1, it is characterized in that：It is quiet including clutch that the limit twists away from clutch Disk, clutch Moving plate and clutch end cover, wherein：The quiet disk of clutch couples with the roller of passive roller；Clutch Moving plate is with passing Moving axis is coupled by spline, and leaves gap in the axial direction respectively with the quiet disk of clutch；Clutch end cover respectively with roller, from Clutch Moving plate couples, and is coordinated with the transmission shaft clearance of central through hole and passive roller.

6. double roller cylinder maneuvering milling machine according to claim 5, it is characterized in that：The roller is cylinder, and outer ring is provided with Steel wire rope groove, after the tension torque increased on foot by steel wire rope, in the presence of limit twists away from clutch, can beat with respect to power transmission shaft It is sliding, the moment of torsion effect limited on roller is played, and then adjust and balance rope tension force.

7. double roller cylinder maneuvering milling machine according to claim 5, it is characterized in that：It is through-hole structure, roller inside the roller Cylinder two ends are connected with the quiet disk of clutch, clutch Moving plate respectively；It is right centered on the center of circle respectively on the position of roller left and right ends Title offers screwed hole.

8. double roller cylinder maneuvering milling machine according to claim 7, it is characterized in that：The screwed hole is 6, each screwed hole Between interval angles be 60 degree.

9. double roller cylinder maneuvering milling machine according to claim 5, it is characterized in that：The quiet disk of clutch passes through cylinder countersunk head The screwed hole rigid attachment of holding screw and roller.

10. double roller cylinder maneuvering milling machine according to claim 5, it is characterized in that：The clutch end cover is disc structure, Its disk diameter is equal with roller, and symmetrically offers two groups of screwed holes centered on circle disk center, and every group of screwed hole number is 6 Individual, interval angles are 60 degree, wherein：

Screwed hole close to outer ring passes through bolt and roller rigid attachment；

The screwed hole of close inner ring is by hold-down bolt squeezing action in the clutch Moving plate of nexine.