CN205466772U

CN205466772U - Rope saw machine

Info

Publication number: CN205466772U
Application number: CN201620021643.9U
Authority: CN
Inventors: 陈立文
Original assignee: Individual
Current assignee: Shenzhen Han Peng Technology Co Ltd
Priority date: 2016-01-08
Filing date: 2016-01-08
Publication date: 2016-08-17
Anticipated expiration: 2026-01-08

Abstract

The utility model provides a rope saw machine (100), includes mount pad (10), drive assembly (20), walking cutting off -load subassembly (30) and receives rope subassembly (40), walking cutting off -load subassembly (30) including walking bracket (31), elevating system (32), diamond string bead rope (33), at least one is from driving wheel (34) and off -load mechanism (35), walking bracket includes rotor arm (310) and is with rotor arm (310) and rotates first support arm (311) be connected, off -load mechanism includes off -load answer (351), and one of which end connection is on walking bracket (31), and another end connection is on rotor arm (310). When the exogenic action in from driving wheel (34) when lasting, rotor arm (310) drive the off -load and reply (351) from initial regional a commentaries on classics to rotating the region to reply (351) by the off -load and will follow the effort that driving wheel (34) received and shed, and by its make rotor arm (310) return to initial regional, from this, avoid rope saw machine (100) problem of damage parts to appear because of the tenesmus of cutting object.

Description

Rope saw

Technical field

This utility model relates to the technical field of cutting equipment, particularly relates to a kind of rope saw.

Background technology

Currently for some cutting equipments, such as rope saw, it there is problems in that in cutting process, When building concrete is cut, cut part there will be sunk type whereabouts situation because of own wt, When dismounting as cut in common concrete support beam or cut-out, cut concrete there will be sinking feelings Condition, and form a tenesmus thing, and the gravity of these tenesmus produce life is very big, may often be such that several tons the most tens of tons Gravity, then, accordingly, tenesmus thing now can drive the related machine of diamond bead string rope to sink together several public affairs Divide or ten centimeters, and this kind of situation can cause diamond bead string rope to be pulled off, then cause to hurt sb.'s feelings and hinder thing Phenomenon, or cause machinery damage, Frequent Troubles, so that the phenomenon that the service life of machine is substantially reduced.

And for above-mentioned inevasible problem, current conventional way is through certain portion made in machine Part is damaged automatically, to save the critical piece of machine from damage and to avoid diamond bead string rope to be pulled off.Such as, logical Cross and make the chain of tumbler autotomy, rotate gear breaking or guard pin fracture etc., to save the master of machine from damage Want parts, and avoid the fracture of diamond bead string rope.But, this kind of settling mode meeting is since it is desired that change Breaking component and affect the working time, reduce work efficiency, and strengthen production cost.

Therefore, it is necessary to provide a kind of technological means to solve drawbacks described above.

Utility model content

The purpose of this utility model is to overcome the defect of prior art, it is provided that rope saw, to solve existing skill The rope saw of art makes some parts damages to ensure complete machine and Buddha's warrior attendant when running into cutting object tenesmus because of employing The mode of stone bead string rope safety and have that the working time is discontinuous, maintenance trouble, maintenance are time-consuming, work efficiency The problem that low, production cost is big.

This utility model is achieved in that rope saw, including:

Mounting seat；

Driving assembly, described driving assembly includes at least one drivewheel and in order to drive at least one master described First driving source of wheel rotation work, at least one drivewheel described rotates and is installed in described mounting seat, Described first driving source is located in described mounting seat, and is connected with at least one drivewheel described；

Walking cutting off-load assembly, described walking cutting off-load assembly includes can above described mounting seat up and down Slide mobile roof support, in order to the elevating mechanism making described mobile roof support slide up and down, in order to cutting object Carry out the diamond bead string rope of cutting processing, in order near cutting object guide described diamond bead string rope pair Described cutting object carry out cutting processing at least one driven pulley and in order to described diamond bead string rope because of Abnormal conditions and the abnormal excessive load born carry out the unloading mechanism of off-load operation；Described mobile roof support includes Cursor and the first support arm, described cursor include the first end and with described first end be oppositely arranged Two ends, the first end of described cursor rotates to be located on described first support arm, and described cursor and institute State and between the first support arm, be provided with that to be available for described cursor relative to described first support arm be static setting Prime area and be available for described cursor relative to described first support arm be rotate arrange pivot region； Described elevating mechanism is located in described mounting seat, and is connected with described mobile roof support；It is described that at least one is driven One of them rotation in wheel is located on the second end of described cursor；The winding respectively of described diamond bead string rope In at least one drivewheel described and at least one driven pulley described；Described unloading mechanism includes that one can make to be located at The excessive load of the exception transmitted by described diamond bead string rope born on described driven pulley on described cursor Lotus sheds and can order about described cursor and is back to the off-load reply of described prime area from described pivot region Part, the one end of described off-load reply part is connected on described mobile roof support, and another of part is replied in described off-load End is connected on described cursor；And

Rope closing assembly, described rope closing assembly includes at least one rope closing wheel and takes turns at least one rope closing described The rope closing fixed mount of installation settings, described rope closing fixed mount is located in described mounting seat, described at least one receive Rope sheave rotates and is installed on described rope closing fixed mount, and at least one rope closing described is taken turns by by described at least one The described diamond bead string rope of individual driven pulley output is wound around.

The technique effect of rope saw of the present utility model is: when the diamond bead string rope cutting appointment of rope saw is cut When cutting object, if tenesmus situation occurs in cut part, the active force produced during cut part tenesmus can be straight Connect diamond bead string rope and reach driven pulley；After driven pulley stress, power can be transferred on cursor by it； After cursor stress, it can drive off-load to reply part and go to pivot region from prime area, and according to suffered by it To the size of active force in pivot region, turn to corresponding position, to avoid being set around on driven pulley The diamond bead string rope thing that dropped damages by pressure and breaks, and replys, by off-load, the reaction force attenuation that part is subject to and unload Go；And after the active force on cursor is attenuated to a certain degree, if its force value replys part self less than off-load Restoring force, now, this off-load reply part slowly can drive according to the attenuation change of the active force on cursor Cursor is made to be back to prime area from pivot region.

It addition, when the diamond bead string rope cutting given cut object of saw of restricting, if a certain portion of cutting object Point because of the factor such as density, material cause the Cutting Drag of diamond bead string rope to increase suddenly time, this moment, Buddha's warrior attendant The active force that stone bead string rope can be subject to reaches on driven pulley, then is transferred to rotate by active force by driven pulley On arm；After cursor stress, it can drive off-load to reply part and go to pivot region from prime area, and according to The size of its suffered active force turns to corresponding position in pivot region, to avoid diamond bead The resistance that rope is increased suddenly damages, and the reaction force attenuation being subject to by off-load reply part sheds；And After the active force on cursor is attenuated to a certain degree, if its force value replys the reply of part self less than off-load Power, now, part is replied in this off-load can slowly order about rotation according to the attenuation change of the active force on cursor Arm is back to prime area from pivot region.

As fully visible, this rope saw has the advantage that

1, when diamond bead string rope switches to harder material or time stuck in cutting, can reply by off-load The off-load return action of part, makes diamond bead string rope be buffered, and reduces damage probability；Simultaneously, by Damage probability in diamond bead string rope is substantially reduced, and the damage caused by it to spill casualty accident the most corresponding It is substantially reduced, advantageously ensures that the safety of operating personnel；

2, reply part due to off-load in cutting process, play relaxation, then, make diamond bead With regard to relatively uniform degree of having during rope cutting, and correspondingly, the attrition of diamond bead string rope also can be greatly reduced, Be conducive to improving the service life of diamond bead string rope, reduce cost, improve cutting efficiency；Simultaneously, also Energy loss cost, cost of labor and machine use cost can be reduced；Further, compared with prior art, Reduce the restriction needing experienced technical staff to manipulate rope saw, reduce production cost further；

3, being set using of off-load assembly is cut in walking, can pass whole machine circuit, oil circuit, machinery Dynamic system plays a cushioning effect, and with this, for whole machine, is substantially reduced the maintenance of machine Rate, rate of breakdown and cost of upkeep；Simultaneously, the stream time that can make rope saw is protected And prolongation, it is greatly improved efficiency and production capacity in making machine operationally, thus is substantially reduced cost of labor, Improve production efficiency；

4, relative in prior art when running into building concrete cut part tenesmus by making some Parts damages are in the way of saving complete machine and diamond bead string rope from damage, and off-load assembly is cut in the walking in the application Arrange, except without damaging parts, also helping and ensure persistently carrying out of working time, improve work efficiency, And reduce production cost；

5, due to the setting of walking cutting off-load assembly, the limit of the integrated carrying ability of machine can be substantially reduced Requirement processed, accordingly, can reduce the use manufacturing material, reduce the overall weight of machine, to machine Lighter and handier, transport of being more convenient for assembles, and production cost is the lowest, and price is more economical；

6, by the setting of fixed mechanism, cursor can be made to be fixed between prime area and pivot region Position, arbitrary place, be located on the first support arm be arbitrarily adjusted to be fixed at first so that cursor can be made to rotate On support arm.Thus, if in the case of running into the working (machining) efficiency paying the utmost attention to cutting equipment, then, can lead to Cross fixed mechanism so that cursor is fixed on prime area, and cutting tool also can follow the fixing of cursor and Being fixed, now, the cutting tool being positioned at prime area has optimal cutting efficiency, whereby, the most permissible Whole cutting equipment is made to be adjusted to the cutting equipment of high working (machining) efficiency；

7, the setting of the vibration damping mat piece in fixed mechanism, according to actual needs, and can arrange different hardness. Cursor and the first support arm is supported completely so that cursor is fixed on original area if desired for vibration damping mat piece Territory, can choose the vibration damping mat piece of shore hardness 70-100HA, and this kind of situation is mostly and pays the utmost attention to cutting In the case of the working (machining) efficiency of equipment；If desired for vibration damping mat piece, cursor is played buffer shock-absorbing effect, optional Take the vibration damping mat piece of shore hardness 30-60HA.Simultaneously, it is possible to see, the setting of vibration damping mat piece, can be according to reality Border situation and customer demand and arrange flexibly.

Accompanying drawing explanation

Fig. 1 is the axonometric chart of rope saw of the present utility model；

Fig. 2 is the front view of the rope saw of Fig. 1；

Fig. 3 is the rearview of the rope saw of Fig. 1；

Fig. 4 is the structural representation of the walking cutting off-load components parts of rope saw of the present utility model；

Fig. 5 is the schematic diagram of another embodiment of rope saw of the present utility model；

Fig. 6 is schematic diagram when going to pivot region of the cursor in rope saw of the present utility model；

Fig. 7 is the schematic diagram of another embodiment of rope saw of the present utility model；

Fig. 8 is the schematic diagram of another embodiment of rope saw of the present utility model；

Fig. 9 is the schematic diagram of another embodiment of rope saw of the present utility model；

Figure 10 is the schematic diagram of another angle of the rope saw of Fig. 9；

Figure 11 is the schematic diagram of another embodiment of rope saw of the present utility model；

Figure 12 is the schematic diagram of another angle of the rope saw of Figure 11；

Figure 13 is the schematic diagram of another embodiment of rope saw of the present utility model；

Figure 14 is the schematic diagram of another embodiment of rope saw of the present utility model.

Detailed description of the invention

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing And embodiment, this utility model is further elaborated.Should be appreciated that described herein specifically Embodiment, only in order to explain this utility model, is not used to limit this utility model.

Embodiment one:

Refer to Fig. 1 to Fig. 4, below the embodiment one of rope saw of the present utility model is illustrated.

The rope saw 100 of the present embodiment, its cutting object is mainly building concrete, Dali Waste stone material etc.； And saw 100 of restricting includes mounting seat 10, drives assembly 20, walking cutting off-load assembly 30 and rope closing assembly 40, below each parts of rope saw 100 are further described:

Assembly 20 is driven to include at least one drivewheel 21 and in order to drive at least one drivewheel 21 to rotate First driving source 22 of work, at least one drivewheel 21 rotates and is installed in mounting seat 10, and first drives Dynamic source 22 is located in mounting seat 10, and is connected with at least one drivewheel 21；

Mobile roof support 31 that walking cutting off-load assembly 30 includes can sliding up and down above mounting seat 10, In order to the elevating mechanism 32 making mobile roof support 31 slide up and down, in order to cutting object is carried out cutting processing Diamond bead string rope 33, in order near cutting object guide diamond bead string rope 33 that cutting object is carried out At least one driven pulley 34 of cutting processing and in order to diamond bead string rope 33 is born because of abnormal conditions Abnormal excessive load carry out the unloading mechanism 35 of off-load operation, wherein, mobile roof support 31 includes cursor 310 and first support arm 311, cursor 310 includes the first end 3101 and relative with the first end 3101 The second end 3102 arranged, the first end 3101 of cursor 310 rotates to be located on the first support arm 311, And it is provided with between cursor 310 and the first support arm 311 and is available for cursor 310 relative to the first support arm Prime area C that 311 is static setting and be available for cursor 310 relative to the first support arm 311 for turning Dynamic pivot region D arranged；Elevating mechanism 32 is located in mounting seat 10, and is connected with mobile roof support 31； One of them rotation at least one driven pulley 34 is located on the second end 3102 of cursor 310；Buddha's warrior attendant Stone bead string rope 33 is rotating around being located at least one drivewheel 21 and at least one driven pulley 34；Unloading mechanism 35 include that one can make that bears on the driven pulley 34 being located on cursor 310 to be passed by diamond bead string rope 33 The abnormal excessive load come sheds and can order about cursor 310 and is back to prime area C from pivot region D Off-load reply part 351, off-load reply part 351 one end be connected on mobile roof support 31, off-load is returned The other end of copy 351 is connected on cursor 310；

Rope closing assembly 40 includes at least one rope closing wheel 41 and takes turns 41 installation settings at least one rope closing Rope closing fixed mount 42, rope closing fixed mount 42 is located in mounting seat 10, at least one rope closing wheel 41 rotation It is installed on rope closing fixed mount 42, and at least one rope closing wheel 41 is by defeated by least one driven pulley 34 The diamond bead string rope 33 gone out is wound around.

When the diamond bead string rope 33 of saw 100 of restricting cuts given cut object, if cut part goes out Now falling situation, the active force produced during cut part tenesmus can directly be passed by diamond bead string rope 33 To driven pulley 34；After driven pulley 34 stress, power can be transferred on cursor 310 by it；Cursor 310 After stress, it can drive off-load to reply part 351 and go to pivot region D from prime area C, and according to it The size of suffered active force turns to corresponding position in pivot region D, with avoid being set around from Diamond bead string rope 33 on driving wheel 34 is damaged by pressure by tenesmus thing and breaks, and replys part 351 by it by off-load The reaction force attenuation being subject to sheds；And after the active force on cursor 310 is attenuated to a certain degree, if its Force value replys the restoring force of part 351 self less than off-load, and now, part 351 is replied in this off-load can be according to rotation The attenuation change of the active force on arm 310 and slowly order about cursor 310 and be back to original area from pivot region D Territory C.

It addition, when restrict saw 100 diamond bead string rope 33 cut given cut object time, if cut right Diamond bead is caused because of the factor such as density, material (material such as Dali Waste stone material is uneven) as certain part When the Cutting Drag of rope 33 increases suddenly, this moment, the active force that diamond bead string rope 33 can be subject to passes To driven pulley 34, then by driven pulley 34, active force is transferred on cursor 310；Cursor 310 After stress, it can drive off-load to reply part 351 and go to pivot region D from prime area C, and according to it The size of suffered active force turns to corresponding position, to avoid diamond string in pivot region D The resistance that pearl rope 33 is increased suddenly damages, and the active force being subject to by off-load reply part 351 declines Unloading is gone；And after the active force on cursor 310 is attenuated to a certain degree, if its force value is returned less than off-load The restoring force of copy 351 self, now, part 351 is replied in this off-load can be according to the effect on cursor 310 The attenuation change of power and slowly order about cursor 310 and be back to prime area C from pivot region D.

As fully visible, this rope saw has the advantage that

1, when diamond bead string rope 33 switches to harder material or time stuck in cutting, can return by off-load The off-load return action of copy 351, makes diamond bead string rope 33 be buffered, and reduces damage probability； Simultaneously due to the damage probability of diamond bead string rope 33 is substantially reduced, and the damage caused by it spills Casualty accident is substantially reduced the most accordingly, advantageously ensures that the safety of operating personnel；

2, reply part 33 due to off-load in cutting process, play relaxation, then, make diamond string With regard to relatively uniform degree of having when pearl rope 33 cuts, and correspondingly, the attrition of diamond bead string rope 33 also can It is greatly reduced, is conducive to improving the service life of diamond bead string rope 33, reduces cost, improve cutting effect Rate；Simultaneously, energy loss cost, cost of labor and machine use cost can also be reduced；Further, with Prior art is compared, and reduces the restriction needing experienced technical staff to manipulate rope saw 100, further Ground reduces production cost；

3, being set using of off-load assembly 30 is cut in walking, can be to whole machine circuit, oil circuit, machinery Drive system plays a cushioning effect, and with this, for whole machine, is substantially reduced the dimension of machine Repair rate, rate of breakdown and cost of upkeep；Simultaneously, the stream time that can make rope saw 100 obtains To ensureing and extending, it is greatly improved efficiency and production capacity in making machine operationally, thus is substantially reduced artificial Cost, improves production efficiency；

4, relative in prior art when running into building concrete cut part tenesmus by making some Parts damages walking cutting off-load assembly in the way of saving complete machine and diamond bead string rope from damage, in the application The setting of 30, except without damaging parts, also helping and ensure persistently carrying out of working time, improves work Make efficiency, and reduce production cost；

5, due to the setting of walking cutting off-load assembly 30, the integrated carrying ability of machine can be substantially reduced Limit requirement, accordingly, the use manufacturing material can be reduced, reduce the overall weight of machine, to machine Device is lighter and handier, and transport of being more convenient for assembles, and production cost is the lowest, and price is more economical.

Referring to Fig. 4, it is extension spring 351a, wherein, extension spring 351a that part 351 is replied in the off-load of the present embodiment Also referred to as stretching spring or tension spring, it is subject to the helical spring of axial tension.Extension spring 351a is general All use circular section material to manufacture, certainly, also can use the material manufacture of square-section etc..It is being not subject to load Time, it is typically all and tight very close to each other between the circle of extension spring 351a and circle.Wherein, when cursor 310 When being positioned at prime area C, extension spring 351a is that contraction is closed up；When cursor 310 goes to pivot region D, Extension spring 351a can stretch accordingly open according to the size of the active force that cursor 310 transmits.It addition, Extension spring 351a draws materials conveniently, and installation is also convenient for.

So, when the active force that driven pulley 34 transmits because of diamond bead string rope 33 during pressurized, extension spring 351a Stretching, extension can be pulled and open along with the rotation of cursor 310, with the work that will transmit after cursor 310 pressurized Firmly buffer decay, thus realize the off-load purpose to diamond bead string rope 33；And when on cursor 310 Active force be buffered decay to a certain degree after, if its force value is less than the elastic-restoring force of extension spring 351a self, Now, this extension spring 351a can slowly order about rotation according to the attenuation change of the active force on cursor 310 Arm 310 is back to prime area C from pivot region D, and extension spring 351a also with cursor 310 from rotation Region D is back to prime area C and shrinks and close up.

It is preferred that the one end of extension spring 351a is connected on the first support arm 311, another of extension spring 351a End is connected on cursor 310, and near the driven pulley 34 being located on cursor 310, and extension spring 351a Centrage overlap with the centrage of the cursor 310 being positioned at prime area C, be equivalent to, extension spring 351a The angle of centrage and the centrage of the cursor 310 being positioned at prime area C be 0 °.

Referring to Fig. 4, the first end 3101 of the cursor 310 of the present embodiment is provided with the first rotation section 361, First support arm 311 is provided with the second rotation section 362 being rotatably assorted with the first rotation section 361, cursor First end 3101 of 310 is rotatably assorted with the second rotation section 362 by the first rotation section 361 and rotates and set On the first support arm 311, wherein, by the setting of the 361, second rotation section 362, the first rotation section, Realize the rotation between the first end 3101 and first support arm 311 of cursor 310 simply and effectively to arrange.

And for the ease of installation settings, the first end 3101 of cursor 310 is located in the first rotation section 361 Bottom, the bottom of the first support arm 311 is located in the second rotation section 362, and the first rotation section 361, second Rotation section 362 combination connects, and is a hinge.

Certainly, the embodiment of the 361, second rotation section 362, the first rotation section is not limited to this, also can be by One rotation section 361 is set to bearing or slotting axle, and the second rotation section 362 corresponds to insert axle or bearing.Wherein, Insert being rotatably assorted between axle and bearing, the most preferably realize first end 3101 and the of cursor 310 Rotation between one support arm 311 is arranged, but also draws materials conveniently, easy for installation.

Referring to Fig. 3, the preferred implementation of the elevating mechanism 32 in the present embodiment is, elevating mechanism 32 Including be located in mounting seat 10 and the most extended slide rail 321, slide be located at the cunning on slide rail 321 Dynamic seat 322, it is located on sliding seat 322 and is connected with slide rail 321 to drive sliding seat 322 to slide work Second drives source 323, and mobile roof support 31 connects sliding seat 322, and wherein, sliding seat 322 is equipped can The movable pulley being slidably matched with slide rail 321, and this movable pulley is except playing slip effect, also acts as guiding and makees With.

So, when needs mobile roof support 31 slides up and down, work as long as controlling the second driving source 323, Its power just can be reached on sliding seat 322 by the second driving source 323, and sliding seat 322 will refer to according to control Make and upward sliding or slide downward, and the mobile roof support 31 being connected with sliding seat 322 just can follow slip Seat 322 slides up or down, whole simple to operation, and effectively controls the cunning of mobile roof support 31 Dynamic position.

Wherein, the second driving source 323 is hydraulic drive motor, to ensure that it has enough power-driven walkings Support 31 slides up and down；Slide rail 321 is provided with dentation district (not indicating in figure), it is preferred that this dentation District can be formed by arranging a tooth bar on slide rail 321, and simultaneously, dentation district is along the extension of slide rail 321 Direction is extended, and the outfan of hydraulic drive motor is connected with the engagement of dentation district.

Referring to Fig. 1 and Fig. 2, the rope saw 100 of the present embodiment also includes preventing diamond bead string rope 33 disconnect the protective cover 50 hurted sb.'s feelings that splashes, and protective cover 50 includes blocking diamond bead string rope 33 because of disconnected Open and towards mobile roof support 31 splashed upward upper protective cover 51, the upper downslide of mobile roof support 31 can be followed Dynamic and in flexible setting and in order to block diamond bead string rope 33 because of disconnection towards a side of mobile roof support 31 To the first side protective cover 52 splashed and sliding up and down of mobile roof support 31 can be followed and arrange use in flexible The second side splashed towards the opposite side direction of mobile roof support 31 because of disconnection to block diamond bead string rope 33 is prevented Guard shield 53；

Upper protective cover 51 is located on mobile roof support 31, and blocks the top of mobile roof support 31；

The upper end of the first side protective cover 52 is connected to the side of mobile roof support 31, the first side protective cover 52 Lower end is connected to the side of rope closing fixed mount 42；

The upper end of the second side protective cover 53 is connected to the opposite side of mobile roof support 31, the second side protective cover 53 Lower end be connected to the opposite side of rope closing fixed mount 42.

Thus, by the setting of protective cover 50, even if diamond bead string rope 33 occurs to disconnect situation about splashing, Also diamond bead string rope 33 can be made to be blocked being limited in the range of protective cover 50 encloses and set, significantly ensure that work The safety of industry personnel；Further, owing to first side protective cover the 52, second side protective cover 53 can follow walking Sliding up and down of support 31 and flexible arrange, accordingly, first side protective cover the 52, second side protective cover 53 Can correspondingly can adjust according to the mobile change of position set by diamond bead string rope 33, complete ensureing Diamond bead string rope 33 is blocked in face, is greatly improved the safety of operating personnel.

The preferred implementation of the first side protective cover 52 is, the first side protective cover 52 includes the first fixing cover 521 and first mobile cover 522, the lower end of the first fixing cover 521 is connected on the side of rope closing fixed mount 42, The upper end of the first mobile cover 522 is connected on the side of mobile roof support 31, the lower end of the first mobile cover 522 It is slidably connected with the upper end of the first fixing cover 521, and by the first fixing cover 521 and the first mobile cover 522 Between relative slip, realize the flexible setting of the first side protective cover 52 simply and effectively；

The preferred implementation of the second side protective cover 53 is, the second side protective cover 53 includes the second fixing cover 531 and second mobile cover 532, the lower end of the second fixing cover 531 is connected to the opposite side of rope closing fixed mount 42 On, the upper end of the second mobile cover 532 is connected on the opposite side of mobile roof support 31, the second mobile cover 532 The upper end of lower end cover 531 fixing with second be slidably connected, and move with second by the second fixing cover 531 Relative slip between cover 532, realizes the flexible setting of the second side protective cover 53 simply and effectively.

It is preferred that in order to enable the mud, the powder water or other fluid that produce when restricting saw 100 cutting processing Discharge protective cover 50 in time, it is to avoid accumulating in the mud on protective cover 50, powder water etc. can affect rope saw 100 Normal work, the first side protective cover 52 is provided with and produces when several cut for diamond bead string ropes 33 The first outflow hole 523 that fluid flows out, specifically, on the first fixing cover 521 and the first mobile cover 522 all It is provided with several first outflow hole 523, and these several first outflow hole 523 are arranged in array, such as square Shape array etc.；

In like manner, the second side protective cover 53 is provided with generation when several cut for diamond bead string rope 33 The second outflow hole 533 that fluid flows out, specifically, on the second fixing cover 531 and the second mobile cover 532 all Being provided with several second outflow hole 533, several second outflow hole 533 are arranged in array, such as rectangle battle array Row etc..

Below in conjunction with each graphic, saw 100 that the present embodiment is restricted implement off-load operation operation principle make into One step explanation:

Embodiment two:

Referring to Fig. 5 and Fig. 6, the embodiment of embodiment two is similar with the embodiment of embodiment one, Specifically see the description explanation of embodiment one, be not described further, and both differences are:

In embodiment one, the one end of extension spring 351a is connected on the first support arm 311, extension spring 351a The other end be connected on cursor 310, and near the driven pulley 34 be located on cursor 310, and The centrage of extension spring 351a overlaps with the centrage of the cursor 310 being positioned at prime area C.

In embodiment two, mobile roof support 31 also includes the second support arm 312a, the second support arm 312a It is vertical at the upper end of the first support arm 311；

The one end of extension spring 351a is connected on the second support arm 312a, and the other end of extension spring 351a is even It is connected on cursor 310, and near the driven pulley 34 being located on cursor 310, to ensure extension spring 351a While not affecting driven pulley 34 work, can quickly receive the active force transmitted by cursor 310, have It is beneficial to the diamond bead string rope 33 being set around on driven pulley 34 is realized off-load purpose；And extension spring 351a Centrage is folded with a sandwiched angle θ, and 0 ° with the centrage of the cursor 310 when being positioned at prime area C ＜ θ ＜ 90 °, it is preferable that this sandwiched angle is 45 °, can make extension spring 351a produce preferably bullet with this Property cushion effect, it is ensured that to be set around diamond bead string rope 33 on driven pulley 34 off-load operate.

Embodiment three:

Referring to Fig. 7, the embodiment of embodiment three is similar with the embodiment of embodiment two, specifically See the description explanation of embodiment two, be not described further, and both differences are:

The one end of extension spring 351a is connected on the second support arm 312a, and the other end of extension spring 351a is even It is connected on cursor 310, and near the driven pulley 34 being located on cursor 310, and in extension spring 351a Heart line is folded with a sandwiched angle θ, and 0 ° of ＜ θ with the centrage of the cursor 310 when being positioned at prime area ＜ 90 °.

In embodiment three, mobile roof support 31 also includes the second support arm 312b and the 3rd support arm 313b, Wherein it is desired to explanation, the second support arm 312b in embodiment three, although during it is with embodiment two The second support arm 312a title, to arrange position identical, but the function of the rwo is different；3rd supports Arm 313b is positioned at the top of cursor 310 and is oppositely arranged with cursor 310, and the 3rd support arm 313b Be arrangeding in parallel with the cursor 310 when being positioned at prime area C, the one end of the second support arm 312b is vertical Being connected to the first support arm 311, the other end of the second support arm 312b is connected to the 3rd support arm 313b；

The one end of extension spring 351a is connected on the 3rd support arm 313b, and the other end of extension spring 351a is even It is connected on cursor 310, and near the driven pulley 34 being located on cursor 310, to ensure extension spring 351a While not affecting driven pulley 34 work, can quickly receive the active force transmitted by cursor 310, have It is beneficial to the diamond bead string rope 33 being set around on driven pulley 34 is realized off-load purpose；And extension spring 351a The vertical and intersectant centerline of centrage and the cursor 310 when being positioned at prime area C.

Central axis due to centrage and the cursor 310 when being positioned at prime area C of extension spring 351a Intersect, then, after the active force on cursor 310 is buffered decay to a certain degree, if its force value is less than The elastic-restoring force of extension spring 351a self, now, compared to other setting of extension spring 351a, extension spring 351a The resistance being subject to during elastic recovery is less, can order about cursor 310 quickly and be back to initially from pivot region D Region C, it is ensured that cutting tool 30 is back to the position normally worked quickly.

Embodiment four:

Referring to Fig. 8, the embodiment of embodiment four is similar with the embodiment of embodiment three, specifically See the description explanation of embodiment three, be not described further, and both differences are:

In embodiment three, it is extension spring 351a that part 351 is replied in off-load.

Mobile roof support 31 also includes the second support arm 312b and the 3rd support arm 313b, the 3rd support arm 313b Be positioned at the top of cursor 310 and be oppositely arranged with cursor 310, and the 3rd support arm 313b be positioned at Cursor 310 during the C of prime area be arranged in parallel, and the one end of the second support arm 312b is vertically connected at First support arm 311, the other end of the second support arm 312b is connected to the 3rd support arm 313b；

The one end of extension spring 351a is connected on the 3rd support arm 313b, and the other end of extension spring 351a is even It is connected on cursor 310, and near the driven pulley 34 being located on cursor 310, and in extension spring 351a The vertical and intersectant centerline of heart line and the cursor 310 when being positioned at prime area C.

In embodiment four, it is stage clip 351b that part 351 is replied in off-load.Wherein, stage clip 351b is subject to axle To the helical spring of pressure, because bearing pressure, two ends can be open type or enclosed or around flat or polish, its institute Material section mostly be circular, it is also possible to rectangle and multiply steel are entangled and are rolled, and meanwhile, spring has equal pitch With pitches.The shape of stage clip 351b has cylinder, cone, camber and middle concave, and few The variant of the non-circular or even various tail end of amount.Certain gap is had between circle and the circle of stage clip 351b, when Deformed by spring contraction during external applied load, store deformation energy.

Mobile roof support 31 also includes the second support arm 312c and the 3rd support arm 313c, wherein it is desired to say Bright, the second support arm 312c in embodiment four, the 3rd support arm 313c, although itself and embodiment The second support arm 312b in three, the title of the 3rd support arm 313b are identical, but both arrange position, Function is different；3rd support arm 313c is positioned at the lower section of cursor 310 and is oppositely arranged with cursor 310, And the 3rd support arm 313c be arranged in parallel with the cursor 310 when being positioned at prime area C, the second support arm The one end of 312c is vertically connected at the first support arm 311, and the other end of the second support arm 312c is vertical It is connected to the 3rd support arm 313c；

The one end of stage clip 351b is connected on the 3rd support arm 313c, and the other end of stage clip 351b is even It is connected on cursor 310, and near the driven pulley 34 being located on cursor 310, to ensure stage clip 351b While not affecting driven pulley 34 work, can quickly receive the active force transmitted by cursor 310, have It is beneficial to the diamond bead string rope 33 being set around on driven pulley 34 is realized off-load purpose；And stage clip 351b Centrage and the vertical and intersectant centerline of the cursor 310 when being positioned at prime area C, wherein, work as cursor 310 when being positioned at prime area C, and stage clip 351b is that stretching, extension is opened；When cursor 310 goes to pivot region D Time, stage clip 351b can shrink accordingly close up according to the size of the active force that cursor 310 transmits.

So, it is set around, when driven pulley 34, the active force and pressurized that diamond bead string rope 33 thereon transmits Time, cursor 310 can rotate down with driven pulley 34, and extrude stage clip 351b, and stage clip 351b Can shrink accordingly close up according to suffered amount of force, and cursor 310 be transmitted simultaneously Active force buffering decay, thus realize the diamond bead string rope 33 being set around on driven pulley 34 is unloaded The purpose of lotus；And after the active force on cursor 310 is buffered decay to a certain degree, if its force value is less than The elastic-restoring force of stage clip 351b self, now, this stage clip 351b can be according to the effect on cursor 310 The attenuation change of power and slowly order about cursor 310 and be back to prime area C from pivot region D, and along with turning Swing arm 310 is back to prime area C from pivot region D and stretches and open.

Embodiment five:

Referring to Fig. 9, the embodiment of embodiment five is similar with the embodiment of embodiment one, specifically See the description explanation of embodiment one, be not described further, and both differences are:

In embodiment five, walking cutting off-load assembly 30 also include being locked cursor 310 with Make the fixed mechanism of the position, arbitrary place that cursor 310 is fixed between prime area C and pivot region D 37。

By the setting of fixed mechanism 37, cursor 310 can be made to be fixed on prime area C and rotational area Position, arbitrary place between the D of territory, arbitrarily adjusts so that cursor 310 can be made to rotate to be located on the first support arm 311 Joint is for being fixed on the first support arm 311.Thus, if running into the working (machining) efficiency paying the utmost attention to cutting equipment In the case of, then, can by fixed mechanism 37 so that cursor 310 is fixed on prime area C, and Cutting tool 30 also can be followed the fixing of cursor 310 and be fixed, and now, is positioned at prime area C's Cutting tool 30 has optimal cutting efficiency, whereby, whole cutting equipment just can be made to be adjusted to high The cutting equipment of working (machining) efficiency.

It is preferred that the fixed mechanism 37 in the present embodiment includes a lock-screw (not indicating in figure), lock Tight screw one end is connected to cursor 310, and the other end is connected to the first support arm 311, and lock-screw Arrange, simple in construction, easy for installation.

Embodiment six:

Referring to Fig. 9 and Figure 10, the embodiment of embodiment six is little with embodiment Datong District of embodiment five Different, specifically see the description explanation of embodiment five, be not described further, and both differences are:

In embodiment five, fixed mechanism 37 includes that a lock-screw, lock-screw one end are connected to rotate Arm 310, the other end is connected to the first support arm 311.

In embodiment six, fixed mechanism 37 includes vibration damping mat piece 371 and in order to make cushion blocking part 371 The retaining piece 372 of fixing location, retaining piece 372 is fastened on support 10, and retaining piece 372 sets Having one to be available for the storage tank 3721 that vibration damping mat piece 371 is accommodating, storage tank 3721 contains cursor 310 and the Junction between one support arm 311；Vibration damping mat piece 371 is located in storage tank 3721, and is contacted with rotation Both arm 310 and the first support arm 311.

Wherein, by the setting of vibration damping mat piece 371, according to actual needs, and different hardness can be set.As Vibration damping mat piece 371 is needed to support both cursor 310 and the first support arm 311 completely so that cursor 310 It is fixed on prime area C, the vibration damping mat piece 371 of shore hardness 70-100HA can be chosen, and this kind of situation is big It mostly is in the case of paying the utmost attention to the working (machining) efficiency of cutting equipment；If desired for vibration damping mat piece 371 to cursor 310 play buffer shock-absorbing effect, can choose the vibration damping mat piece 371 of shore hardness 30-60HA.Meanwhile, also Visible, the setting of vibration damping mat piece 371, can arrange flexibly according to practical situation and customer demand.

It addition, this vibration damping mat piece 371 can use elastomeric material to make, other plastic material the most also can be used, Or other flexible anti-vibration material is made.

Embodiment seven:

Referring to Figure 11 and Figure 12, the embodiment of embodiment seven is little with embodiment Datong District of embodiment one Different, specifically see the description explanation of embodiment one, be not described further, and both differences are:

In embodiment seven, at least one drivewheel 21, at least one driven pulley 34, at least one rope closing Wheel 41 is not exclusively arranged in approximately the same plane.

Due at least one drivewheel 21, at least one driven pulley 34, that at least one rope closing takes turns 41 is incomplete It is arranged in approximately the same plane, whereby, it is possible to increase around the diamond bead string rope 33 being located on each wheel Activity space, thus the length that arranges of diamond bead string rope 33 can be increased, and then add rope saw 100 The cutting stroke of itself.So, even if running into the building concrete of bigger height, Dali Waste stone material etc., Also can increase the cutting stroke of machine by the length of regulation diamond bead string rope 33, make machine continue Normal cutting operation, had both reduced production cost, had ensured again production efficiency.

Refer to Figure 12, specifically, at least one drivewheel 21 in the present embodiment, at least one rope closing Wheel 41 is for being disposed on the same plane, and this plane definition is the first plane, at least one driven pulley 34 It is not provided with on the first plane, and relative to the first plane for being obliquely installed.And by by least one from Driving wheel 34 is not provided with on the first plane and relative to the first plane for being obliquely installed, except being easily installed The installation settings of personnel, also helps operating personnel and adjusts the length of diamond bead string rope 33, in order to adjust The cutting stroke of complete machine device.

Preferably, drivewheel 21 is provided with two, and is respectively defined as the first drivewheel 211, second actively Wheel 212, the first drivewheel 211 and the second drivewheel 212 overlap setting on the first plane from bottom to top；

Driven pulley 34 is provided with three, and be respectively defined as first driven pulley the 341, second driven pulley 342, Three driven pulleys 343, first driven pulley the 341, second driven pulley the 342, the 3rd driven pulley 343 is along walking The horizontal direction interval of frame 31 is installed on mobile roof support 31, and the second driven pulley 342 to be positioned at first driven Between wheel 341 and the 3rd driven pulley 343, specifically, the first driven pulley 341 is arranged on the first support arm On 311, and the 3rd driven pulley 343 is arranged on cursor 310；Second driven pulley 342 is not arranged in first In plane, and relative to the first plane for being obliquely installed；First driven pulley 341 and the 3rd driven pulley 343 In one of them be not provided with on the first plane, and relative to the first plane for being obliquely installed, first is driven Another one in wheel 341 and the 3rd driven pulley 343 is arranged on the first plane, and specifically, the 3rd is driven Wheel 343 is not provided with on the first plane, and relative to the first plane for being obliquely installed, the first driven pulley 341 Middle setting is on the first plane；

Rope closing wheel 41 is provided with two, and is respectively defined as first rope closing wheel the 411, second rope closing wheel 412, the One rope closing wheel 411 and second rope closing wheel 412 along rope closing fixed mount 42 horizontal direction be spaced be installed on rope closing On fixed mount 42, and the first rope closing wheel 411 and the second rope closing wheel 412 are respectively provided with on the first plane.

Wherein, receive due to first drivewheel the 211, second drivewheel the 212, the 3rd driven pulley 343, first Rope sheave the 411, second rope closing wheel 412 is arranged on the first plane, and the first driven pulley 341, second is driven Wheel 342 is not provided with on the first plane, and relative to the first plane for being obliquely installed, thus, relative to respectively Wheel is respectively provided with mode on the first plane, makes the movable sky that diamond bead string rope 33 has had more six times Between, considerably increase diamond bead string rope 33 arranges length.

Refer to Figure 11, in order to make each wheel reasonable Arrangement, and ensure each wheel mutual when working not simultaneously Impact, the layout of each wheel in the present embodiment is as follows:

First drivewheel 211 and the second drivewheel 212 overlapping are installed on the middle position of mounting seat 10；

First driven pulley the 341, the 3rd driven pulley 343 is respectively arranged in the both sides of mobile roof support 31, and second Driven pulley 342 is installed on the middle position of mobile roof support 31, and the first drivewheel 211 arranged with overlapping It is oppositely arranged with the second drivewheel 212；

First rope closing wheel the 411, second rope closing wheel 412 is symmetrically installed on the both sides of rope closing fixed mount 42.

It is preferred that in order to avoid the second driven pulley 342 collides the first drivewheel 211 and that overlapping is arranged Two drivewheels 212, the second driven pulley 342 is positioned at the first driven pulley 341 and top of the 3rd driven pulley 343.

Referring to Figure 12, the first driving source 22 in the present embodiment is a motor, and the outfan of motor is respectively Connect the first drivewheel 211 and the second drivewheel 212 that overlapping is arranged, wherein, due to walking cutting off-load The setting of assembly 30, is substantially reduced the restriction requirement of the integrated carrying ability of machine, and can reduce manufacture The use of material, reduces the overall weight of machine, thus, it is possible to driving needed for making the first driving source 22 Power greatly reduces, it will be appreciated that ground, as long as configuration single motor i.e. can reach required power, greatly reduces The manufacturing cost of rope saw 100.

Embodiment eight:

Referring to Figure 13, the embodiment of embodiment eight is similar with the embodiment of embodiment seven, tool Body see the description explanation of embodiment five, is not described further, and both differences are:

In embodiment seven, the second driven pulley 342 is positioned at the first driven pulley 341 and the 3rd driven pulley 343 Top.

In embodiment eight, the second driven pulley 342 is positioned at the first driven pulley 341 and the 3rd driven pulley 343 Lower section, and it is preferred that the alarm set such as sensor, stop can be arranged on the second driven pulley 342, With the first drivewheel 211 and the second active reminding operating personnel's the second driven pulley 342 may arrange with overlapping Wheel 212 collides.

Embodiment nine:

Referring to Figure 14, the embodiment of embodiment nine is similar with the embodiment of embodiment one, tool Body see the description explanation of embodiment one, is not described further, and both differences are:

In embodiment one, the first driving source 22 is located in mounting seat 10, and mounting seat is located at by slide rail 321 On 10, it is seen then that the first driving source 22 is the lower section being positioned at slide rail 321, and simultaneously, in order to ensure One drives source 22, the stable setting of slide rail 321, and the stable setting of other supporting base part, typically Ground, can use the metal material of iron and steel etc to make mounting seat 10, to make it have bigger bearing capacity, So, correspondingly, the weight that also can make whole rope saw 100 is relatively big, and not only overall production cost is relatively Height, nor the beneficially transport of machine and moving.

In embodiment nine, the first driving source 22 is positioned at the side of slide rail 321.Specifically, first drive Source 22 is arranged in mounting seat 10 by a bracing frame, and slide rail 321 is fixedly installed in mounting seat 10, Simultaneously, the first driving source 22 is also made to be positioned at the side of slide rail 321, and owing to both are not simultaneously located at In mounting seat 10, mounting seat 10 can be made without requiring bigger bearing capacity, then, mounting seat 10 and The supporting parts of his support class just can select the aluminum alloy materials of light weight, thus, just can make whole rope saw The weight of machine 100 reduces, and not only reduces production cost, and is also beneficial to the transport of machine and moves.

The foregoing is only this utility model preferred embodiment, its structure is not limited to above-mentioned enumerating Shape, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, Within should be included in protection domain of the present utility model.

Claims

1. rope saw, it is characterised in that including:

Mounting seat；

Restrict the most as claimed in claim 1 saw, it is characterised in that: it is extension spring that part is replied in described off-load.

Restrict the most as claimed in claim 2 saw, it is characterised in that: the one end of described extension spring is connected to institute Stating on the first support arm, the other end of described extension spring is connected on described cursor, and described near being located at Described driven pulley on cursor, and the centrage of described extension spring and the described rotation being positioned at described prime area The centrage of arm overlaps.

Restrict the most as claimed in claim 2 saw, it is characterised in that: described mobile roof support also includes second Brace, described second support arm is located at the upper end of described first support arm；

The one end of described extension spring is connected on described second support arm, and the other end of described extension spring is connected to On described cursor, and near the described driven pulley being located on described cursor, and the centrage of described extension spring It is folded with a sandwiched angle θ, and 0 ° of ＜ θ with the centrage of described cursor when being positioned at described prime area ＜ 90 °.

Restrict the most as claimed in claim 2 saw, it is characterised in that: described mobile roof support also includes second Brace and the 3rd support arm, described 3rd support arm be positioned at described cursor top and with described cursor phase To setting, and described 3rd support arm be arranged in parallel with described cursor when being positioned at described prime area, institute The one end stating the second support arm is connected to described first support arm, and the other end of described second support arm is even It is connected to described 3rd support arm；

The one end of described extension spring is connected on described 3rd support arm, and the other end of described extension spring is connected to On described cursor, and near the described driven pulley being located on described cursor, and the centrage of described extension spring Vertical and intersectant centerline with described cursor when being positioned at described prime area.

Restrict the most as claimed in claim 1 saw, it is characterised in that: it is stage clip that part is replied in described off-load.

Restrict the most as claimed in claim 6 saw, it is characterised in that: described mobile roof support also includes second Brace and the 3rd support arm, described 3rd support arm be positioned at described cursor lower section and with described cursor phase To setting, and described 3rd support arm be arranged in parallel with described cursor when being positioned at described prime area, institute The one end stating the second support arm is connected to described first support arm, and the other end of described second support arm is even It is connected to described 3rd support arm；

The one end of described stage clip is connected on described 3rd support arm, and the other end of described stage clip is connected to On described cursor, and near the described driven pulley being located on described cursor, and the centrage of described stage clip Vertical and intersectant centerline with described cursor when being positioned at described prime area.

8. the rope saw as described in any one of claim 1-7, it is characterised in that: described walking cutting off-load Assembly also includes in order to fixing described cursor so that described cursor is fixed on described prime area with described The fixed mechanism of the position, arbitrary place between pivot region.

Restrict the most as claimed in claim 8 saw, it is characterised in that: described fixed mechanism includes a locking screw Nail, described lock-screw one end is connected to described cursor, and the other end is connected to described first support arm.

Restrict the most as claimed in claim 8 saw, it is characterised in that: described fixed mechanism includes cushion blocking Part and the retaining piece positioned in order to make described vibration damping mat piece hold, described retaining piece is fastened on described On frame, and described retaining piece is provided with one and is available for the storage tank that described vibration damping mat piece is accommodating, and described storage tank contains Junction between described cursor and described first support arm；Described vibration damping mat piece is located in described storage tank, And it is contacted with described cursor and described first support arm.

11. restrict saw as claimed in claim 1, it is characterised in that: at least one drivewheel described, institute State at least one driven pulley, at least one rope closing described wheel is not exclusively arranged in approximately the same plane.

12. restrict saw as claimed in claim 11, it is characterised in that: at least one drivewheel described, institute State at least one rope closing to take turns as being disposed on the same plane, and this plane definition is the first plane, at least one Individual described driven pulley is not arranged in described first plane, and is that inclination sets relative to described first plane Put.

13. restrict saw as claimed in claim 12, it is characterised in that: described drivewheel is provided with two, and It is respectively defined as the first drivewheel, the second drivewheel, described first drivewheel and described second drivewheel overlapping It is arranged in described first plane；

Described driven pulley is provided with three, and is respectively defined as the first driven pulley, the second driven pulley, the 3rd driven Wheel, described first driven pulley, described second driven pulley, described 3rd driven pulley are along the horizontal stroke of described mobile roof support To direction interval be installed on described mobile roof support, and described second driven pulley be positioned at described first driven pulley with Between described 3rd driven pulley, described second driven pulley is not arranged in described first plane, and relative to institute Stating the first plane for being obliquely installed, one of them in described first driven pulley and described 3rd driven pulley does not sets Put in described first plane, and relative to described first plane for being obliquely installed, described first driven pulley and Another one in described 3rd driven pulley is arranged in described first plane；

Described rope closing wheel is provided with two, and is respectively defined as the first rope closing wheel, the second rope closing wheel, and described first The horizontal direction interval that rope closing wheel and described second rope closing are taken turns along described rope closing fixed mount is installed on described rope closing On fixed mount, and described first rope closing wheel and described second rope closing wheel are arranged in described first plane.

14. restrict saw as claimed in claim 13, it is characterised in that: described first drivewheel and described Two drivewheel overlappings are installed on the middle position of described mounting seat；

Described first driven pulley, described 3rd driven pulley are respectively arranged in the both sides of described mobile roof support, described Second driven pulley is installed on the middle position of described mobile roof support, and described first active arranged with overlapping Wheel and described second drivewheel are oppositely arranged；

Described first rope closing wheel, described second rope closing wheel are respectively arranged in the both sides of described rope closing fixed mount.

15. restrict saw as claimed in claim 14, it is characterised in that: described second driven pulley is positioned at described Above or below first driven pulley and described 3rd driven pulley.

16. restrict saw as claimed in claim 13, it is characterised in that: described first driving source is a motor, The outfan of described motor connects described first drivewheel and described second drivewheel that overlapping is arranged respectively.

17. restrict saw as claimed in claim 1, it is characterised in that: described elevating mechanism includes being located at institute State in mounting seat and the most extended slide rail, slide be located on described slide rail sliding seat, be located at described It is connected on sliding seat and with described slide rail to drive the second driving source of described sliding seat slip work, described row Walk support and connect described sliding seat.

18. restrict saw as claimed in claim 17, it is characterised in that: described second driving source is that hydraulic pressure drives Dynamic motor, described slide rail is provided with dentation district, and described dentation district is extended along the bearing of trend of described slide rail, The outfan of described hydraulic drive motor is connected with the engagement of described dentation district.

19. restrict saw as claimed in claim 17, it is characterised in that: described first driving source is positioned at described The side of slide rail.

20. restrict saw as claimed in claim 1, it is characterised in that: also include preventing described Buddha's warrior attendant Stone bead string rope disconnects the protective cover hurted sb.'s feelings that splashes, and described protective cover includes blocking described diamond bead string rope Because of disconnection towards described mobile roof support splashed upward upper protective cover, the upper and lower of described mobile roof support can be followed Slide and in flexible setting and in order to block described diamond bead string rope because of disconnection towards described mobile roof support The first side protective cover of splashing in direction, side and described sliding up and down of mobile roof support can be followed and set in flexible Put to block what described diamond bead string rope splashed towards the opposite side direction of described mobile roof support because of disconnection Second side protective cover；

Described upper protective cover is located on described mobile roof support, and blocks the top of described mobile roof support；

The upper end of described first side protective cover is connected to the side of described mobile roof support, described first side protective cover Lower end be connected to the side of described rope closing fixed mount；

The upper end of described second side protective cover is connected to the opposite side of described mobile roof support, described second side protection The lower end of cover is connected to the opposite side of described rope closing fixed mount.

21. restrict saw as claimed in claim 20, it is characterised in that: described first side protective cover includes One fixing cover and the first mobile cover, the lower end of the described first fixing cover is connected to the side of described rope closing fixed mount On, the upper end of described first mobile cover is connected on the side of described mobile roof support, described first mobile cover Lower end is slidably connected with the upper end of the described first fixing cover；

Described second side protective cover includes the second fixing cover and the second mobile cover, the lower end of the described second fixing cover Being connected on the opposite side of described rope closing fixed mount, the upper end of described second mobile cover is connected to described walking and props up On the opposite side of frame, the lower end of described second mobile cover is slidably connected with the upper end of the described second fixing cover.

22. restrict saw as claimed in claim 20, it is characterised in that: described first side protective cover is provided with The first outflow hole that the fluids produced when several cut for described diamond bead string ropes flow out, described in several First outflow hole is that array is arranged；

Described second side protective cover is provided with the fluid produced when several cut for described diamond bead string rope The second outflow hole flowed out, several described second outflow hole are that array is arranged.