CN109176906A

CN109176906A - The alternating braking commutation rope saw cut applied to concrete, stone material

Info

Publication number: CN109176906A
Application number: CN201811277147.XA
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-30
Filing date: 2018-10-30
Publication date: 2019-01-11

Abstract

The present invention provides be applied to concrete, the alternating braking commutation rope saw of stone material cutting, it includes reciprocating cutting device, for providing the differential drive device of cutting power to reciprocating cutting device, for carrying out the oil control brake apparatus and controller of alternately braking to two output end of differential drive device, reciprocating cutting device includes the rope saw mechanism for being cut to concrete/stone material, rope saw mechanism includes the first roller of parallel arrangement, second tin roller and it is wound on the first roller, saw rope on second tin roller, wherein a power output end is connect differential drive device with the first roller, another power output end is connect with second tin roller and two the first rollers of power output end driven and second tin roller are around own axis, the reciprocating cutting device further include rope-arranging mechanism and rope-arranging mechanism be used for movement to saw rope into Row limit guidance, rope-arranging mechanism are provided with two groups and correspond with the first roller, second tin roller and arrange.

Description

The alternating braking commutation rope saw cut applied to concrete, stone material

Technical field

The present invention relates to a kind of rope saws, and in particular to the alternating braking commutation rope saw cut applied to concrete, stone material.

Background technique

Rope saw is for mine, quarry stone, arc panel, big flag material, thick concrete, irregular concrete reinforcement, bridge Tool is cut and disassembled in road etc., and rope saw has many advantages, such as relative to general cutting equipment, for example, easy for installation, user Method is flexible, crosscutting to cut, and erects cutting；Solid matter reinforced concrete constructional work, thick brick wall can be cut, or even cut under water Cutting operation can be competent at；Its cutting operation depth is unrestricted, and operating environment is more adaptable, operating efficiency is higher, currently, city Occur the rope saw of purposes not of the same race, concrete cutting rope saw, granite and mining rope saw, granite quarry stone shaping on field Rope saw, granite abnormity processing rope saw, marble mining rope saw, Dali Waste stone material shaping rope saw, the processing of marble abnormity Rope saw, there is also shortcomings for existing rope saw in the market, for example, structure is complicated, repair and maintenance is difficult, production cost is high, It can be only applied to the cutting in advanced engineering, be unfavorable for its popularization and application, for this purpose, it is simple, raw to design a kind of clever structure, principle Producing the alternating braking commutation rope cut applied to concrete, stone material low in cost, easy to use and sawing seems most important.

Summary of the invention

To solve the deficiencies in the prior art, the object of the present invention is to provide a kind of clever structure, principles simply, production cost The alternating braking commutation rope saw for being applied to concrete, stone material cutting cheap, easy to use.

To realize the above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.

Applied to concrete, the alternating braking commutation rope saw of stone material cutting comprising reciprocating cutting device is used for reciprocal Cutter device provides the differential drive device of cutting power, the oil for carrying out alternately braking to two output end of differential drive device Control brake apparatus and for coordinated control reciprocating cutting device, differential drive device and oil control brake apparatus operation process Controller, the reciprocating cutting device include the rope saw mechanism for being cut to concrete/stone material, and rope saw mechanism includes First roller of parallel spacing arrangement, second tin roller and it is wound on the first roller, the saw rope on second tin roller, the first rolling Cylinder can be rotated with second tin roller around own axes direction, and wherein a power output end and the first roller connect differential drive device It connects, another power output end is connect with second tin roller and two the first rollers of power output end driven and second tin roller are around certainly Body axis rotation；

The rope saw mechanism further includes the pedestal of detachable, and the mounting rack one and mounting rack of spacing arrangement are provided on pedestal Two, mounting rack one and the rotation of mounting rack two are provided with shaft one, shaft two, and shaft one and shaft two are each parallel to pedestal and two Person is equal with the distance between pedestal, and the coaxial fixing sleeve of the first roller is set to the outside of shaft one and second tin roller is coaxially fixed It is sheathed on the outside of shaft two, the first roller and second tin roller spacing are arranged, the spiral shell in hollow and annular is embedded in the saw rope Rotary knife, circular knife are provided with several and extending direction array arrangements along saw rope, and the driving end of shaft one and differential driving fill The wherein power output end connection set, the driving end of shaft two and another power output end of differential drive device connect；

The reciprocating cutting device further includes rope-arranging mechanism and rope-arranging mechanism is used to carry out limit guidance to the movement of saw rope, Rope-arranging mechanism is provided with two groups and corresponds with the first roller, second tin roller and arranges；

Rope-arranging mechanism includes the mounting rack three being fixedly installed between mounting rack one, mounting rack two and mounting rack three is located at first Roller/second tin roller side, guiding bar one and guiding bar one are provided on mounting rack three is axially parallel to shaft one Axial, guiding bar one is parallel to there are two spacing settings, and sliding block one, sliding block one and one phase of guiding bar are arranged in guiding bar one Match and constitute slide-and-guide cooperation along the axial of guiding bar one, sliding block one is provided with close to the first roller/second tin roller side Mounting rack four, rotation is provided with contact roller one and its axial direction for being axially parallel to shaft one on mounting rack four, between contact roller one Away from setting there are two and along perpendicular to pedestal direction arrange, two contact rollers one cooperate for saw rope transverse direction bounce Constrained, sliding block one is provided with mounting rack five away from one end face of pedestal, on mounting rack five rotation be provided with contact roller two and It is axially perpendicular to pedestal, and there are two the settings of two spacing of contact roller and arranges along the axial of shaft one is parallel to, two contact rollers Two-phase interworking is shared to be constrained in longitudinal bounce to saw rope, and contact roller one is corresponding with contact roller two；

Rotation is provided with reciprocating screw rod on the mounting rack three, and reciprocating screw rod is between two guiding bars one and is parallel to guidance The axial direction of bar one, reciprocating screw rod are threadedly coupled cooperation, driving end and the one/shaft of shaft two of reciprocating screw rod with the composition of sliding block one V belt translation component one is provided between output end, the V belt translation component one includes coaxial arrangement in reciprocating screw rod driving end Driven pulley one, coaxial arrangement in one/shaft of shaft two output end driving pulley one and be set to driven pulley one with For connecting the belt one of the two between driving pulley one；

It is also rotated on the mounting rack three and is provided with reverse wheel and directive wheel, the axial direction of reverse wheel and directive wheel is parallel to each other And equal vertical feet, there are two directive wheel settings and arranges that the saw rope is arranged in two pressures along the direction perpendicular to shaft one Between bearing up pulley one, be arranged between two contact rollers two, around reverse wheel, be arranged between two directive wheels；

The reciprocating cutting device further includes the testing agency being set to inside the first roller/second tin roller, and testing agency uses In the surplus of saw rope on detection the first roller/second tin roller and it will test signal and be transferred to controller.

Further, the differential drive device include differential mechanism, the power source being connect with differential mechanism input terminal and The power drive mechanism connecting with differential mechanism output end, differential mechanism include two power output ends of left and right, power drive mechanism setting Have left and right two groups and be located at left side power drive mechanism be set between differential mechanism left side power output end and shaft one, position Power drive mechanism in right side is set between differential mechanism right side power output end and shaft two；

The differential mechanism is set on pedestal and drives end arrangement close to one/shaft of shaft two, and differential mechanism includes being set to Mounting rack seven on pedestal is provided with the differential housing and differential for being cylindrical in shape structure and both ends open arrangement on mounting rack seven The spacing direction for being axially parallel to the first roller and second tin roller of casing, differential housing left and right ends opening be provided with It is tightly connected the end cap one cooperated, and the axis for being axially parallel to shaft one of input port and input port is offered on differential housing To, input port drives end arrangement far from one/shaft of shaft two, it is provided with the end cap two that cooperation is tightly connected with it on input port, Coaxial sleeve is equipped with there are two bearing and the settings of bearing spacing in end cap two, and the coaxial fixing sleeve of bearing inner race is connected to input shaft, defeated Enter that axis driving end is connect with power source, output end coaxial sleeve is equipped with drive bevel gear；

It is rotated coaxially in the differential housing and is provided with planet carrier, driven wheel of differential and driven is fixedly installed on planet carrier Bevel gear is coaxially arranged with differential housing, and driven wheel of differential is meshed with drive bevel gear, and the rotation of end cap one positioned at left side is worn Equipped with left output shaft, the driving end of left output shaft is extended in planet carrier and the end coaxial sleeve is equipped with left half axle gear, position The rotation of end cap one in right side is equipped with right output shaft, and the driving end of right output shaft extends in planet carrier and the end is coaxial It is arranged with right axle shaft gear, left output shaft axial direction axially coincident and each parallel to differential housing, row with right output shaft It is provided with the axial direction for being axially perpendicular to differential housing of connecting shaft and connecting shaft in carrier, rotates coaxially and is provided in connecting shaft Planetary gear one and planetary gear two and planetary gear one and planetary gear two are positioned opposite, planetary gear one and left half axle tooth Wheel and right axle shaft gear are meshed, and planetary gear two is meshed with left half axle gear and right axle shaft gear；

The power drive mechanism includes the support frame one being set on pedestal, and left output shaft/right output shaft output end turns Dynamic to be set on support frame one, the outer, coaxial of left output shaft/right output shaft output end is arranged with friction output panel and friction Input disc and rub output panel close to differential mechanism arrange, rub output panel along left output shaft/right output shaft cloth that slides axially It sets, friction input disc turning set is set on left output shaft/right output shaft, friction output panel and friction input disc one end close to each other Face is provided with the form friction pattern for increasing damping, rubs and is arranged to the bonding state that can mutually switch between output panel and friction input disc With half-clutch state, bonding state is friction output panel close to the sliding of friction input disc and rub output panel and friction input disc It rotates synchronously, half-clutch state is friction output panel far from friction input disc sliding, and friction output panel and friction input disc can not It rotates synchronously and mutually contradicts between the two and form load；

Sliding sleeve and sliding sleeve and friction are coaxially socketed between the friction output panel and left output shaft/right output shaft Output panel is fixedly connected, and slide assemblies are provided between sliding sleeve and shaft/right output shaft, and the slide assemblies include setting The spline being placed on shaft/right output shaft and the spline sliding slot being set on sliding sleeve inner headed face, spline and spline sliding slot It constitutes key connection cooperation and constitutes slide-and-guide cooperation along shaft/right output shaft is axial, the friction input disc and shaft/ It is coaxially socketed with pivoted housing before right output shaft and pivoted housing extends far from friction output panel, pivoted housing is fixedly connected with friction input disc And turning set is set on shaft/right output shaft.

The power drive mechanism further includes the support frame two and support frame three being set on pedestal, and support frame three is set to Between differential mechanism and mounting rack one, the setting of support frame two there are two and be symmetrically arranged along support frame three, support frame two with Rotation is provided with transmission shaft between support frame three and it is axially parallel to shaft/right output shaft axial direction, the output of transmission shaft End is coaxially arranged with input bevel gear, and the driving end of one/shaft of shaft two is coaxially arranged with output bevel gear wheel, input bevel gear with Output bevel gear wheel is intermeshed and input tooth surfaces of bevel gears symmetrically arranged on the left and the right is positioned opposite；

V belt translation component two is provided between the pivoted housing and transmission shaft, the V belt translation component two is set to including coaxial sleeve to be turned Driving pulley two on set, coaxial sleeve be set to the driven pulley two at transmission shaft driving end and be set to driving pulley two with it is driven Belt two between belt wheel two and for connecting the two, driving pulley two and pivoted housing are to be keyed cooperation, outside the pivoted housing Portion is arranged with limit spring, and one end and the friction input disc of limit spring contradict, the other end and driving pulley two are contradicted and limited The elastic force of position spring is directed toward driving pulley two by friction input disc always.

Further, the oil control brake apparatus includes the linkage rack being fixedly installed on sliding sleeve, coaxially fixes The brake disk that is sheathed on left output shaft/right output shaft and stop disk between linkage rack and differential mechanism, for being carried out to brake disk Braking is and at the same time arrestment mechanism and You Kong mechanism, the arrestment mechanism for pulling linkage rack to move close to brake disk are set It is equipped with four groups and is symmetrically arranged two-by-two, the arrangement corresponding with left output shaft of the arrestment mechanism positioned at left side, positioned at right side Arrestment mechanism arrangement corresponding with right output shaft, You Kong mechanism and arrestment mechanism are connected and for braking symmetrically arranged on the left and the right Mechanism alternately fuel feeding；

Fixes sleeve is provided between the brake disk and left output shaft/right output shaft and fixes sleeve and the two are coaxial consolidate Fixed connection, linkage rack band dynamic friction output panel are moved close to brake disk, switch to friction output panel with the input disc that rubs half-clutch When state, be socketed with support sleeve on the left output shaft/right output shaft, support sleeve between linkage rack and brake disk and Support sleeve is in contact with sliding sleeve, and reset spring one and reset spring one are provided between support sleeve and fixes sleeve It is sheathed on left output shaft/right output shaft, one one end of reset spring and the conflict of support sleeve, the other end and fixes sleeve contradict simultaneously And one elastic force of reset spring is directed toward support sleeve by fixes sleeve always；

The arrestment mechanism includes the braking casing being fixedly installed on end cap one, and braking casing is arranged close to one end face of brake disk There is the corresponding notch arranged, end face offers circular seal chamber one, far from one one end of end cap to braking casing one by one close to end cap Face offers circular seal chamber two, the setting of sealed chamber one there are two and along brake disk circumferentially, sealed chamber two is set Set there are two and along brake disk circumferentially, be provided in sealed chamber one sealing cover two for being sealed to it and Sealing cover two and braking casing are detachably connected cooperation, and the end cover for being sealed to it is provided in sealed chamber two Three and end cover three and braking casing be detachably connected cooperation, sealed chamber one is set with coaxially slide equal in sealed chamber two It is equipped with piston two, one envelope of sealed chamber/sealed chamber, two bottom is coaxially arranged with the guide hole connected with notch, same in guide hole Axis sliding is equipped with matched guide rod two, and guide rod one end is fixedly connected with piston two, the other end extends in notch And the end is connected with clamping plate, and plane where clamping plate is parallel to brake disk and arranges with brake disk spacing, the guide rod Be arranged with reset spring two on two, one end of reset spring and the bottom of one/sealed chamber of sealed chamber two contradict, the other end with Piston two contradicts and the elastic force of reset spring two is directed toward piston two by the bottom of one/sealed chamber of sealed chamber two always；

Oil inlet interface, oil inlet interface and You Kong mechanism and one/sealed chamber of sealed chamber two are provided on the braking casing Equal connected state；

Piston two inside the sealed chamber two is coaxially connected to be provided with linkage stud, and linkage stud extends sealed chamber two And the elongated end is fixedly connected with linkage rack；

The You Kong mechanism includes the support frame four being socketed on end cap two, and setting is parallel to left output on support frame four The oil control cylinder of axis/right output shaft axial direction and both ends open arrangement, oil are controlled and are coaxially arranged with oil control chamber in cylinder, oil control cylinder The sealing cover one for constituting with it and being tightly connected cooperation is respectively provided at the both ends open of body, coaxial activity, which is equipped with, in oil control chamber prolongs Its external guide rod one is extended to, the coaxial fixing sleeve of the medium position of guide rod one along its length, which is equipped with, controls chamber phase with oil The piston one matched, piston one by oil control chamber be divided into left and right activity arrangement oil control chamber one and oil control chamber two and oil control chamber It is filled with hydraulic oil inside room one and oil control chamber two, oil controls chamber one and is provided with connection between the oil inlet interface in left side The tee tube of three is provided with the tee tube for connecting three between oil control chamber two and the oil inlet interface on right side；

It is provided with connecting plate between one both ends of the guide rod connection, the length of mounting groove and mounting groove is offered on connecting plate It is oriented parallel to the axial direction of guide rod one, the setting of mounting groove opening is parallel to the axial rack gear of guide rod one, the support Control motor is fixedly installed on frame four, the output end for controlling motor is coaxially arranged with control gear, controls wheel and rack phase Engagement, controlling to establish between motor and controller has signal connection.

Further, the rack gear and mounting groove constitute slide-and-guide cooperation, rack gear and mounting groove edge along its length Buffer spring two, one end of buffer spring two and rack gear conflict, the other end and mounting groove are provided between the side wall of length direction The medium position that side wall along its length contradicts and the elastic force of buffer spring two pushes rack gear to slide into mounting groove always, institute State the oil injection component for being provided with outside oil control cylinder and connecting with oil control chamber.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is the structural schematic diagram of reciprocating cutting device.

Fig. 3 is the enlarged drawing in Fig. 2 at A.

Fig. 4 is the structural schematic diagram of rope saw mechanism.

Fig. 5 is the cooperation figure of rope saw mechanism and rope-arranging mechanism.

Fig. 6 is the structural schematic diagram of rope-arranging mechanism.

Fig. 7 is the partial structural diagram of rope-arranging mechanism.

Fig. 8 is the cooperation figure of rope saw mechanism and testing agency.

Fig. 9 is the structural schematic diagram of testing agency.

Figure 10 is the partial structural diagram of testing agency.

Figure 11 is the cooperation figure of differential drive device and saw mechanism of restricting.

Figure 12 is the structural schematic diagram of differential mechanism.

Figure 13 is the schematic diagram of internal structure of differential mechanism.

Figure 14 is the schematic diagram of internal structure of differential mechanism.

Figure 15 is the cooperation figure of power drive mechanism and saw mechanism of restricting.

Figure 16 is the structural schematic diagram of power drive mechanism.

Figure 17 is the cooperation figure of power drive mechanism and differential mechanism output end.

Figure 18 is the cooperation figure of the differential mechanism output end of power drive mechanism.

Figure 19 is the connection figure of power source and differential mechanism input terminal.

Figure 20 is the structural schematic diagram of buffer.

Figure 21 is the schematic diagram of internal structure of buffer.

Figure 22 is the schematic diagram of internal structure of buffer.

Figure 23 is the cooperation figure of oil control brake apparatus and differential mechanism.

Figure 24 is the structural schematic diagram of You Kong mechanism.

Figure 25 is the partial structural diagram of You Kong mechanism.

Figure 26 is the partial structural diagram of You Kong mechanism.

Figure 27 is the partial structural diagram of oil control brake apparatus.

Figure 28 is the partial structural diagram of oil control brake apparatus.

Figure 29 is the partial structural diagram of oil control brake apparatus.

Figure 30 is the structural schematic diagram of arrestment mechanism.

Figure 31 is the partial structural diagram of arrestment mechanism.

Figure 32 is the partial structural diagram of arrestment mechanism.

Figure 33 is the partial structural diagram of arrestment mechanism.

Figure 34 is the partial structural diagram of arrestment mechanism.

Specific embodiment

Referring to Fig. 1-34, the differential commutation rope saw cut applied to concrete, stone material comprising reciprocating cutting device 100, For providing reciprocating cutting device 100 differential drive device 200 of cutting power, for defeated to 200 liang of differential drive device Outlet carries out the oil control brake apparatus 300 of alternately braking and for coordinated control reciprocating cutting device 100, differential drive device 200 and oil control brake apparatus 300 run process controller 400, the reciprocating cutting device 100 includes for coagulation The rope saw mechanism 110 that soil/stone material is cut, rope saw mechanism 110 include the first roller 115, second rolling of parallel spacing arrangement Cylinder 117 and it is wound on the first roller 115, the saw rope 120 on second tin roller 117, the first roller 115 and second tin roller 117 can rotate around own axes direction, and wherein a power output end connect with the first roller 115, is another differential drive device 200 One power output end is connect with second tin roller 117 and two the first rollers of power output end driven 115 and second tin roller 117 Around own axis.

User is socketed on concrete/stone material position to be cut in use, by saw rope 120, by saw rope 120 One ends wound is on 115/ second tin roller 117 of the first roller and being firmly connected with it, the other end and second tin roller 117/ first Roller 115 is fixedly connected, and is started differential drive device 200 and is started oil control brake apparatus 300 to differential drive device 200 Wherein a power output end is braked, and differential drive device 200 is by power transmission to second tin roller 117 and drives the second rolling Cylinder 117 is around own axis rope closing, and in the process, the first roller 115 puts rope around own axis, when the first roller 115 when releasing the saw rope 120 of winding totally, and oil control brake apparatus 300 releases the wherein power to differential drive device 200 The braking of output end and another power output end of differential drive device 200 is braked, differential drive device 200 is by power It is delivered to the first roller 115 and drives the first roller 115 around own axis rope closing, in the process, second tin roller 117 Rope is put around own axis, and 115 rope closing of the first roller/put rope and cooperate second tin roller 117 put rope/rope closing is so past Multiple to carry out, during reciprocal folding and unfolding saw rope 120, saw rope 120 is completed in tight state and to concrete/stone material always Cutting process.

Referring to fig. 2-4, the rope saw mechanism 110 further includes the pedestal 111 of detachable, between being provided on pedestal 111 Mounting rack 1 away from arrangement and mounting rack 2 113, mounting rack 1 and the rotation of mounting rack 2 113 be provided with shaft 1, Shaft 2 116, shaft 1 and shaft 2 116 each parallel to pedestal 111 and the two it is equal with the distance between pedestal 111, The coaxial fixing sleeve of first roller 115 is set to the outside of shaft 1 and the coaxial fixing sleeve of second tin roller 117 is set to shaft two 116 outside, the first roller 115 is arranged with 117 spacing of second tin roller, and the spiral shell in hollow and annular is embedded in the saw rope 120 Rotary knife 121, circular knife 121 are provided with several and extending direction array arrangements along saw rope 120, the driving end of shaft 1 It is connect with a wherein power output end for differential drive device 200, driving end and the differential drive device 200 of shaft 2 116 Another power output end connection.

Referring to Fig. 5-7, jump is generated since frictional force acts on when saw rope 120 cuts concrete/stone material in order to prevent It is dynamic, position deviation is generated when causing to concrete/stone material cutting, for this reason, it may be necessary to receive to the first roller 115, second tin roller 117 The process of rope of restricting/put guides limit, and the reciprocating cutting device 100 further includes rope-arranging mechanism 130, rope-arranging mechanism 130 It is provided with two groups and is corresponded with the first roller 115, second tin roller 117 and arranged, rope-arranging mechanism 130 includes being fixedly installed in Mounting rack 3 131 and mounting rack 3 131 between mounting rack 1, mounting rack 2 113 are located at the rolling of the first roller 115/ second The side of cylinder 117, guiding bar 1 and guiding bar 1 are provided on mounting rack 3 131 is axially parallel to shaft one 114 axial direction, guiding bar 1 are parallel to there are two spacing settings, and sliding block 1, sliding block one are arranged in guiding bar 1 133 match with guiding bar 1 and constitute slide-and-guide cooperation along the axial of guiding bar 1, and sliding block 1 is close to the One roller, 115/ second tin roller, 117 side is provided with four 133a of mounting rack, and rotation is provided with contact roller one on four 133a of mounting rack 134 and its axial direction for being axially parallel to shaft 1, there are two and along perpendicular to pedestal for the setting of one 134 spacing of contact roller 111 direction arrangement, two contact rollers 1 cooperate to be constrained for the lateral bounce to saw rope 120, sliding block 1 111 1 end face of pedestal is provided with five 133b of mounting rack, on five 133b of mounting rack rotation be provided with contact roller 2 135 and its It is axially perpendicular to pedestal 111, there are two the settings of 2 135 spacing of contact roller and arranges along the axial of shaft 1 is parallel to, two Contact roller 2 135 cooperates to be constrained for longitudinal bounce to saw rope 120, contact roller 1 and 2 135 phase of contact roller It is corresponding.

Specifically, in order to guarantee contact roller 1 and contact roller 2 135 always with 115/ second tin roller 117 of the first roller Folding and unfolding at it is corresponding, need to drive sliding block 1 along guiding bar 1 slide, for this purpose, being rotated on the mounting rack 3 131 It is provided with reciprocating screw rod 138, reciprocating screw rod 138 is between two guiding bars 1 and is parallel to the axis of guiding bar 1 To reciprocating screw rod 138 is threadedly coupled cooperation, the driving end of reciprocating screw rod 138 and one 114/ shaft of shaft with the composition of sliding block 1 V belt translation component one is provided between 2 116 output end, the V belt translation component one includes coaxial arrangement in reciprocating screw rod One 139a of driven pulley at 138 driving ends, it is coaxially disposed in the driving pulley one of the output end of one 114/ shaft 2 116 of shaft 139b and be set between one 139b of one 139a of driven pulley and driving pulley for connect the two one 139c of belt.

More specifically, in order to which to saw rope 120, further guidance makes it easier to be socketed on concrete/stone material to be cut On, also rotation is provided with reverse wheel 136 and directive wheel 137, reverse wheel 136 and directive wheel 137 on the mounting rack 3 131 Axial direction be parallel to each other and vertical feet 111, directive wheel 137 setting there are two and along perpendicular to shaft 1 direction Arrangement, the saw rope 120 are arranged between two contact rollers 1, are arranged between two contact rollers 2 135, around reverse wheel 136, it is arranged between two directive wheels 137.

Restrict saw mechanism 110 with rope-arranging mechanism 130 being embodied in during the work time, as the general of differential drive device 200 When power transmission to shaft 1 and drive shaft 1 is around own axis, and the rotation of shaft 1 will drive One roller 115 rotates synchronously and the first roller 115 winds rope closing, and the rope-arranging mechanism 130 of arrangement corresponding with the first roller 115 is right The rope closing of first roller 115 carries out limit guidance, is embodied in, and the output end of shaft 1 will drive driving pulley one The power of one 139b of driving pulley is transferred to one 139a of driven pulley and driven by 139b around own axis, one 139c of belt Dynamic one 139a of driven pulley will drive reciprocating screw rod 138 to rotate around own axis, one 139a of driven pulley, reciprocating screw rod 138 reciprocatingly slide driving sliding block 1 along guiding bar 1, make contact roller 1, contact roller 2 135 and the first roller Corresponding at 115 rope closing, in the process, saw rope 120 will be by gradually releasing on second tin roller 117 and driving second tin roller 117 will drive shaft 2 116 to rotate around own axis, second tin roller 117, row's rope of arrangement corresponding with second tin roller 117 Mechanism 130 carries out limit guidance to the rope of putting of second tin roller 117；When differential drive device 200 is by power transmission to shaft 2 116 When and drive shaft 2 116 around own axis, the rotation of shaft 2 116 will drive second tin roller 117 to rotate synchronously simultaneously And second tin roller 117 winds rope closing, the rope-arranging mechanism 130 of arrangement corresponding with second tin roller 117 to the rope closing of second tin roller 117 into Row limit guidance, is embodied in, and the output end of shaft 2 116 will drive one 139b of driving pulley around own axis, skin The power of one 139b of driving pulley is transferred to one 139a of driven pulley with a 139c and drives one 139a of driven pulley around certainly Body axis rotation, one 139a of driven pulley by drive reciprocating screw rod 138 rotate, reciprocating screw rod 138 will drive sliding block 1 along Guiding bar 1 reciprocatingly slides, and keeps contact roller 1, contact roller 2 135 corresponding at the rope closing of second tin roller 117, herein In the process, saw rope 120 will by gradually releasing and driving the first roller 115 around own axis on the first roller 115, first Roller 115 will drive shaft 1 to rotate, and the rope-arranging mechanism 130 of arrangement corresponding with the first roller 115 is to the first roller 115 It puts rope and carries out limit guidance.

Referring to Fig. 8-10, when the first 115 rope closing of roller, second tin roller 117 puts rope；When 117 rope closing of second tin roller, the One roller 115 puts rope, needs to cut before releasing saw rope 120 totally in 115/ second tin roller 117 of the first roller for putting rope form state The rope closing state shifted to, on the one hand avoids that the fractureing of saw rope 120, on the other hand guarantee can to the cutting of concrete/stone material It is carried out continuously, for this purpose, the reciprocating cutting device 100 further includes being set to inside 115/ second tin roller 117 of the first roller Testing agency 140, testing agency 140 is for detecting the surplus of saw rope 120 on 115/ second tin roller 117 of the first roller and will examine It surveys signal and is transferred to controller 400,115/ second tin roller 117 of the first roller is in hollow arrangement, the rolling of the first roller 115/ second Offer detection mouth along its length on cylinder 117, detection mouth setting there are two and along 115/ second tin roller 117 of the first roller Axially symmetric disposition, the corresponding arrangement of the test side detection mouth of testing agency 140.

Specifically, the testing agency 140 includes the rectangle peace being set to inside 115/ second tin roller 117 of the first roller The length direction of loading board 141 and mounting plate 141 is parallel to the axial direction of 115/ second tin roller 117 of the first roller, and mounting plate 141 is set There are two setting and along the axially symmetric disposition of 115/ second tin roller 117 of the first roller, the one end of mounting plate 141 along its length Be provided with sensor 1 and sensor 1 be connected with transmission line 1, one 142 test side of sensor with wherein The corresponding arrangement of one detection mouth, the other end of mounting plate 141 along its length are provided with sensor 2 144 and sensor 2 144 It is connected with transmission line 2 145,2 144 test side of sensor arrangement corresponding with another detection mouth, transmission line 1 and transmission Line 2 145 is connected with controller 400.

More specifically, since testing agency 140 is set to inside 115/ second tin roller 117 of the first roller, in order to The signal of transmission line 1 and transmission line 2 145 is transferred to controller 400, the testing agency 140 further includes being set to Via hole slip ring assembly between one 143/ transmission line 2 145 of transmission line and controller 400, the via hole slip ring assembly include setting Mounting rack 6 146, input component 147 and the output component 148 being placed on mounting rack 2 113, output component 148 are fixedly installed In on mounting rack 6 146, input component 147 is connect with the output end of one 143/ transmission line 2 145 of transmission line, inputs component 147 Cooperate with the output rotation connection of component 148, is provided with interface 149 on the output component 148 and interface 149 and controller Establishing between 400 has signal connection.

Being embodied in during the work time of testing agency 140, when differential drive device 200 drives the first roller 115 When rope closing, second tin roller 117 puts rope, and the testing agency 140 inside second tin roller 117 is to winding on second tin roller 117 120 surplus of saw rope is detected, when one 142/ sensor 2 144 of sensor detects that there are saw ropes at corresponding detection mouth position 120 and 2 144/ sensor 2 142 of sensor when detecting corresponding detection mouth position there is no saw rope 120, second tin roller The saw rope 120 wound on 117 will release totally, at this point, differential drive device 200 slows down and switches to driving second tin roller 117 rope closings, the first roller 115 are put rope, are and so on carried out, ensure that saw rope 120 can continuity concrete/stone material is carried out Cutting process.

Referring to Figure 11-22, the differential drive device 200 is connect including differential mechanism 220, with 220 input terminal of differential mechanism Power source 210 and the power drive mechanism 230 that is connect with 220 output end of differential mechanism, differential mechanism 220 include two power of left and right Output end, power drive mechanism 230 is provided with two groups of left and right and the power drive mechanism 230 positioned at left side is set to differential mechanism Power drive mechanism 230 between 220 left side power output ends and shaft 1, positioned at right side is set to 220 right side of differential mechanism Between power output end and shaft 2 116.

Referring to Figure 12-14, the differential mechanism 220 is set on pedestal 111 and close to one 114/ shaft 2 116 of shaft End arrangement is driven, differential mechanism 220 includes the mounting rack 7 221 being set on pedestal 111, is provided on mounting rack 7 221 in cylinder The differential housing 222a and differential housing 222a of shape structure and both ends open arrangement be axially parallel to the first roller 115 with The left and right ends opening of the spacing direction of second tin roller 117, differential housing 222a is provided with the end that cooperation is tightly connected with it The axial direction for being axially parallel to shaft 1 of input port and input port is offered on lid one 222b, differential housing 222a, is inputted Mouth is arranged far from one 114/ shaft 2 116 of shaft driving end, is provided with the end cap two that cooperation is tightly connected with it on input port Coaxial sleeve is equipped with there are two bearing 222d and the settings of bearing 222d spacing in 222c, two 222c of end cap, and bearing 222d inner ring is same Axis fixing sleeve is connected to input shaft 223, and input shaft 223 drives end to connect with power source 210, output end coaxial sleeve is equipped with active conical tooth Wheel 224.

During the work time, power source 210 drives input shaft 223 around own axis, input shaft 223 to differential mechanism 220 Drive bevel gear 224 will be driven to rotate synchronously, drive bevel gear 224 will drive driven wheel of differential 226 around own axis, from Dynamic bevel gear 226 will drive planet carrier 225 to rotate synchronously, and planet carrier 225 will drive one 229a of planetary gear and planetary gear two For 229b around the axial direction revolution of planet carrier 225, the revolution of one 229a of planetary gear and two 229b of planetary gear will drive left half axle teeth It takes turns 227b and right axle shaft gear 228b to rotate synchronously, left output shaft 227a and right output shaft 228a will be rotated synchronously, when oil controls When the dynamic left output shaft 227a of 300 pairs of device is braked, left output shaft 227a stops operating, one 229a of planetary gear and planet tooth While taking turns axial revolution of two 229b around planet carrier 225, one 229a of planetary gear and two 229b of planetary gear are around own axes Rotation, one 229a of planetary gear and two 229b of planetary gear will drive right axle shaft gear 228b to rotate, right axle shaft gear 228b band Right output shaft 228a rotation is moved, the power of right output shaft 228a is transferred to shaft two by the power drive mechanism 230 positioned at right side 116 and drive second tin roller 117 rotate rope closing；It is right defeated when 300 couples of brake apparatus right output shaft 228a of oil control are braked Shaft 228a stops operating, while one 229a of planetary gear and two 229b of planetary gear are around the axial revolution of planet carrier 225, row One 229a of star gear and two 229b of planetary gear are around own axes rotation, one 229a of planetary gear and two 229b of planetary gear by band Dynamic left half axle gear 227b rotation, left half axle gear 227b drive left output shaft 227a rotation, the power transmission machine positioned at left side The power of left output shaft 227a is transferred to shaft 1 and drives the first roller 115 rotation rope closing by structure 230, and oil control is dynamic Device 300 alternately brakes left output shaft 227a and right output shaft 228a, and the first roller 115 replaces rope closing with second tin roller 117, Rope saw 120, which is moved back and forth, completes cutting to concrete/stone material.

Referring to Figure 15-18, the power drive mechanism 230 includes the support frame 1 being set on pedestal 111, left The output end of the right output shaft 228a of output shaft 227a/ is rotatably dispose on support frame 1, the left right output shaft of output shaft 227a/ The outer, coaxial of the output end of 228a be arranged with friction output panel 232 with rub input disc 234 and the output panel 232 that rubs it is close Differential mechanism 220 arranges that friction output panel 232 is along the arrangement that slides axially of the right output shaft 228a of left output shaft 227a/, and rub input 234 turning set of disk is set on the right output shaft 228a of left output shaft 227a/, and friction output panel 232 is mutually leaned on friction input disc 234 A nearly end face is provided with the form friction pattern for increasing damping, rubs and is arranged to mutually to cut between output panel 232 and friction input disc 234 The bonding state changed and half-clutch state, bonding state are that friction output panel 232 is slided and rubbed close to friction input disc 234 Output panel 232 and friction input disc 234 rotate synchronously, and half-clutch state is that friction output panel 232 is sliding far from friction input disc 234 Dynamic, friction output panel 232 and friction input disc 234 can not be rotated synchronously and mutually be contradicted between the two and form load.

Power drive mechanism 230 during the work time, when oil control 300 couples of brake apparatus left output shaft 227a brake when And the friction output panel 232 being socketed on left output shaft 227a and friction input disc 234 switch to half-clutch state, are socketed on Friction output panel 232 and friction input disc 234 on right output shaft 228a switch to bonding state, and right output shaft 228a will drive Shaft 2 116 rotates, 117 rope closing of second tin roller and the first roller 115 puts rope, 230 work of power drive mechanism positioned at right side Make being embodied in for process, right output shaft 228a is by driving friction output panel 232 around own axis, and rub output panel 232 will rotate synchronously with dynamic friction input disc 234, and the input disc 234 that rubs is by two 239a of driving pulley around own axis, skin The power of two 239a of driving pulley is transferred to two 239b of driven pulley with two 239c and two 239b of driven pulley is driven to rotate, Two 239b of driven pulley will drive transmission shaft 236 to rotate synchronously, and transmission shaft 236 will drive input bevel gear 237 around own axes Rotation, input bevel gear 237 will drive output bevel gear wheel 238 to rotate, and output bevel gear wheel 238 rotates drive shaft 2 116, the Two rollers, 117 rope closing, the first roller 115 put rope and shaft 1 are driven to rotate, and shaft 1, which will drive, is located at left side Power drive mechanism 230 moves, since the friction output panel 232 and the friction input disc 234 that are socketed on left output shaft 227a are cut It shifts to half-clutch state and the friction output panel 232 contradicts the friction input disc 234 and forms load, eliminate saw rope 120 The surplus that generates when cutting and enable saw rope 120 always in tightening；When oil controls 300 couples of brake apparatus right output shaft 228a When being braked and the friction output panel 232 that is socketed on right output shaft 228a and friction input disc 234 switch to it is half-clutch State, the friction output panel 232 being socketed on left output shaft 227a and friction input disc 234 switch to bonding state, left output Axis 227a rotates drive shaft 1,115 rope closing of second tin roller and second tin roller 117 puts rope, the power biography positioned at left side Motivation structure 230 is consistent with 230 course of work of power drive mechanism on right side is located at, and is not repeating.

Referring to Figure 19-22, driving power, the power source are provided in order to the input shaft 223 to differential mechanism 220 210 include being set to the driving motor 211 being fixedly installed on pedestal 111 and driving motor 211 and input shaft 223 are coaxial right It should arrange, the shaft coupling 212 for connecting the two is provided between driving motor 211 and input shaft 223.

Being embodied in during the work time of buffer 213 starts driving motor 211, the output end of driving motor 211 Buffer shaft 217 will be driven to rotate by shaft coupling 212, buffer shaft 217 will drive cushion collar 218, lug 219, guide rail 219a same Step rotation, guide rail 219a will drive the rotation of pin rod 216 and pin rod 216 is moved along guide rail 219a, and two 214b of sliding block will overcome The elastic force of buffer spring 1 is slided towards one end of two 214a of guiding bar, and two 214b of sliding block is to a wherein buffer spring 1 It is compressed and drives buffering cylinder 213a rotation, the input shaft 223 of one 215 pairs of buffer spring buffering cylinder 213a connections is negative It is loaded into row buffering, when buffering cylinder 213a band 223 smooth running of driven input shaft, buffer spring 1 will push sliding block two 214b is slided along two 214a of guiding bar to be resetted, and the meaning of this programme is taken to be, clever structure quiet to driving motor 211 opens It is dynamic to carry out overload protection, extend the service life of driving motor 211.

4-34 referring to fig. 2, the oil control brake apparatus 300 includes the linkage rack being fixedly installed on sliding sleeve 233 301, the brake disk 302 and disk 302 of stopping that coaxial fixing sleeve is set on the right output shaft 228a of left output shaft 227a/ are located at linkage rack And at the same time for pulling linkage rack 301 close to brake disk 302 between 301 and differential mechanism 220, for being braked to brake disk 302 The arrestment mechanism 320 and You Kong mechanism 310 of movement, the arrestment mechanism 320 are provided with four groups and two-by-two bilateral symmetry Arrangement, the arrangement corresponding with left output shaft 227a of arrestment mechanism 320 positioned at left side, arrestment mechanism 320 and the right side positioned at right side are defeated The corresponding arrangement of shaft 228a, You Kong mechanism 310 and arrestment mechanism 320 are connected and for arrestment mechanism symmetrically arranged on the left and the right 320 alternately fuel feeding.

Specifically, 8, Figure 29 referring to fig. 2, are provided between the brake disk 302 and the right output shaft 228a of left output shaft 227a/ Fixes sleeve 303 and fixes sleeve 303 and both be to be fixedly and coaxially connected, linkage rack 301 is leaned on dynamic friction output panel 232 Nearly brake disk 302 moves, when friction output panel 232 and friction input disc 234 being made to switch to half-clutch state, for the ease of linkage rack 301 move reset far from brake disk 302, are socketed with support sleeve 304, support on the left right output shaft 228a of output shaft 227a/ Sleeve 304 is between linkage rack 301 and brake disk 302 and support sleeve 304 is in contact with sliding sleeve 233, support sleeve It is provided with reset spring 1 between 304 and fixes sleeve 303 and reset spring 1 is sheathed on the left right side output shaft 227a/ On output shaft 228a, one 305 one end of reset spring and the conflict of support sleeve 304, the other end and fixes sleeve 303 are contradicted and are answered Position one 305 elastic force of spring is directed toward support sleeve 304 by fixes sleeve 303 always.

More specifically, it referring to Figure 30, Figure 32, while braking brake disk 302, needs to make the connection for arrangement Moving frame 301 is moved close to brake disk 302, for this purpose, the piston 2 326 inside the sealed chamber 2 324 is coaxially connected to be provided with connection Dynamic stud 326a, linkage stud 326a extends sealed chamber 2 324 and the elongated end is fixedly connected with linkage rack 301.

Arrestment mechanism 320 during the work time, when needing output shaft 228a right to left output shaft 227a/ to brake, You Kong mechanism 310 carries out fuel feeding to the arrestment mechanism 320 on 320/ right side of arrestment mechanism for being located at left side, and oil inlet interface 321b will be oily Liquid is transported to one 322/ sealed chamber 2 324 of sealed chamber, the oil pressure inside one 322/ sealed chamber 2 324 of sealed chamber by Cumulative big and piston 2 326 is pushed to move close to one 322/ sealed chamber of sealed chamber, 2 324 bottom, piston 2 326 is by band Two 327b of action-oriented bar, clamping plate 328 move synchronously, and reset spring 2 329 gradually reduces and elastic potential energy increases, and are located at brake disk The movement close to each other of the clamping plate 328 of 302 two sides is clamped braking to brake disk 302, and brake disk 302 will drive left output shaft 227a/ Right output shaft 228a is braked, and while braking to the right output shaft 228a of left output shaft 227a/, link stud 326a It pulls on linkage rack 301 to move close to brake disk 302, makes the corresponding friction output panel 232 of linkage rack 301, friction input disc 234 Half-clutch state is switched to, reset spring 1 gradually reduces and elastic potential energy increases；When needs stop to left output shaft When the braking of the right output shaft 228a of 227a/, You Kong mechanism 310 is by the oil liquid inside one 322/ sealed chamber 2 324 of sealed chamber It being sucked out by oil inlet interface 321b, the elastic potential energy of reset spring 2 329 gradually discharges and pushes 2 326 resetting movement of piston, Clamping plate 328 cancels the clamping to brake disk 302 and brakes, and the elastic potential energy of reset spring 1 gradually discharges and pushes friction defeated Placing 232, friction input disc 234 switch to bonding state reset, and linkage rack 301 is moved far from brake disk 302 to be resetted.

4-26 referring to fig. 2, the You Kong mechanism 310 include the support frame 4 311 being socketed on two 222c of end cap, support Setting is parallel to the oil control cylinder of the right output shaft 228a axial direction of left output shaft 227a/ and both ends open arrangement on frame 4 311 312, oil is controlled and is coaxially arranged with oil control chamber 312a in cylinder 312, is respectively provided at the both ends open of oil control cylinder 312 and constitutes with it It is tightly connected one 312b of sealing cover of cooperation, coaxial activity, which is equipped with, in oil control chamber 312a extends to its external guide rod one The coaxial fixing sleeve of medium position of 312c, one 312c of guide rod along its length is equipped with the piston to match with oil control chamber 312a The oil that chamber 312a points of oil control are left and right activity arrangement is controlled chamber one and oil control chamber two and oil by one 312d, one 312d of piston It controls and is filled with hydraulic oil inside chamber one and oil control chamber two, oil is controlled chamber one and set between the oil inlet interface 321b in left side It is equipped with the tee tube 313 for connecting three, is provided between oil control chamber two and the oil inlet interface 321b on right side and connects the three of three Siphunculus 313 controls the fuel feeding to oil inlet interface 321b by the side-to-side movement of one 312c of guide rod.

Specifically, being provided between one both ends 312c of the guide rod connection to control the movement of one 312c of guide rod Connecting plate 314 offers mounting groove 314a on connecting plate 314 and the length direction of mounting groove 314a is parallel to guide rod one The rack gear 315 for being parallel to guide rod one 312c axial direction, support frame as described above four is arranged in the axial direction of 312c, mounting groove 314a opening Control motor 316 is fixedly installed on 311, the output end of control motor 316 is coaxially arranged with control gear 317, controls gear 317 are meshed with rack gear 315, and controlling to establish between motor 316 and controller 400 has signal connection.

You Kong mechanism 310 is embodied in the course of work, when needs make the arrestment mechanism 320 for being located at left side When dynamic, drive control motor 316 is inverted, and the output end for controlling motor 316 will drive the synchronous reversion of control gear 317, controls tooth Wheel 317 will be moved downward with carry-over bar 315, and connecting plate 314, one 312c of guide rod will be moved synchronously, and one 312d of piston will be to oil Oil liquid inside control chamber one is pressurizeed and is flowed into the oil inlet interface 321b of the arrestment mechanism 320 in left side；When When needing to brake the arrestment mechanism 320 for being located at right side, drive control motor 316 is rotated forward, and controls the output end of motor 316 It will drive control gear 317 is synchronous to rotate forward, control gear 317 will be moved right with carry-over bar 315, connecting plate 314, guide rod one 312c will be moved synchronously, and one 312d of piston will pressurize to the oil liquid inside oil control chamber two and flow into positioned at right side In the oil inlet interface 321b of arrestment mechanism 320.

More specifically, in order to which the movement to rack gear 315 buffers, the rack gear 315 and mounting groove 314a is along its length It spends direction and constitutes slide-and-guide cooperation, be provided with buffer spring between the side wall of rack gear 315 and mounting groove 314a along its length 2 318, one end of buffer spring 2 318 and the conflict of rack gear 315, the side wall of the other end and mounting groove 314a along its length contradict And the elastic force of buffer spring 2 318 pushes rack gear 315 to slide into the medium position of mounting groove 314a always, takes this programme Meaning is, clever structure, the service life for extending rack gear 315.

More specifically, for the ease of carrying out oiling to the inside oil control chamber 312a, it is arranged outside the oil control cylinder 312 There is the oil injection component 319 connected with oil control chamber 312a, the meaning of this programme is taken to be, guarantees inside oil control chamber 312a Oil liquid is sufficient, so that the oil liquid inside oil control chamber 312a is can smoothly enter into arrestment mechanism 320, improves You Kong mechanism 310 Reliability.

Claims

1. be applied to concrete, stone material cut alternating braking commutation rope saw, it is characterised in that: it include reciprocating cutting device, For providing reciprocating cutting device the differential drive device of cutting power, for handing over two output end of differential drive device For the oil control brake apparatus of braking and for coordinated control reciprocating cutting device, differential drive device and oil control brake apparatus The controller of operation process, the reciprocating cutting device include the rope saw mechanism for being cut to concrete/stone material, rope Saw mechanism includes the first roller of parallel spacing arrangement, second tin roller and is wound on the first roller, on second tin roller Saw rope, the first roller and second tin roller can rotates around own axes direction, differential drive device wherein a power output end and The connection of first roller, another power output end are connect with second tin roller and two the first rollers of power output end driven and the Two rollers are around own axis；

2. the alternating braking commutation rope saw according to claim 1 cut applied to concrete, stone material, it is characterised in that: The differential drive device includes differential mechanism, the power source connecting with differential mechanism input terminal and connect with differential mechanism output end Power drive mechanism, differential mechanism includes two power output ends of left and right, and power drive mechanism is provided with left and right and two groups and is located at The power drive mechanism in left side is set between differential mechanism left side power output end and shaft one, the power transmission machine positioned at right side Structure is set between differential mechanism right side power output end and shaft two；

3. the power drive mechanism further includes the support frame two and support frame three being set on pedestal, support frame three is set to difference Between fast device and mounting rack one, there are two the settings of support frame two and is symmetrically arranged along support frame three, support frame two and branch Rotation is provided with transmission shaft between support three and it is axially parallel to shaft/right output shaft axial direction, the output end of transmission shaft Be coaxially arranged with input bevel gear, the driving end of one/shaft of shaft two is coaxially arranged with output bevel gear wheel, input bevel gear with it is defeated Bevel gear is intermeshed out and input tooth surfaces of bevel gears symmetrically arranged on the left and the right is positioned opposite；

4. the alternating braking commutation rope saw according to claim 1 or 2 cut applied to concrete, stone material, feature exist In: the described oil control brake apparatus include the linkage rack being fixedly installed on sliding sleeve, coaxial fixing sleeve be set to left output shaft/ Brake disk on right output shaft and stop disk between linkage rack and differential mechanism, for being braked brake disk and at the same time being used for The arrestment mechanism and You Kong mechanism for pulling linkage rack to move close to brake disk, the arrestment mechanism are provided with four groups and two-by-two It is symmetrically arranged, the arrangement corresponding with left output shaft of the arrestment mechanism positioned at left side, arrestment mechanism and right output positioned at right side The corresponding arrangement of axis, You Kong mechanism connect with arrestment mechanism and for alternately supplying arrestment mechanism symmetrically arranged on the left and the right Oil；

5. the alternating braking commutation rope saw according to claim 3 cut applied to concrete, stone material, it is characterised in that: The rack gear and mounting groove constitute slide-and-guide along its length and cooperate, between the side wall of rack gear and mounting groove along its length It is provided with buffer spring two, one end and the rack gear of buffer spring two contradict, the side wall of the other end and mounting groove along its length supports The elastic force of touching and buffer spring two pushes rack gear to slide into the medium position of mounting groove always, and the oil control cylinder outside is arranged There is the oil injection component connected with oil control chamber.