CN101633214A - Rope saw cutting device - Google Patents
Rope saw cutting device Download PDFInfo
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- CN101633214A CN101633214A CN200910137197A CN200910137197A CN101633214A CN 101633214 A CN101633214 A CN 101633214A CN 200910137197 A CN200910137197 A CN 200910137197A CN 200910137197 A CN200910137197 A CN 200910137197A CN 101633214 A CN101633214 A CN 101633214A
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Abstract
The invention discloses a rope saw cutting device including a rope saw arranged in an extending way so that a part of the rope saw contacts with the object being cut; a plurality of pulleys for guiding rope saw which is disposed on the object being cut in the extending way to walk along the extending direction; and a cooling device for blowing the cooling gas to the rope saw reeled on the pulley and arranged next to the contact part of the rope saw and the object being cut in the pulley.
Description
The background of invention
The application requires in the priority of 2008-192424 number Japanese application for a patent for invention of submission on July 25th, 2008, and quotes its content at this.
Technical field
The present invention relates to the rope saw cutting device that when making the rope saw that can extend with its part and the contacted state of material to be cut such as concrete construction along its bearing of trend traveling incision material to be cut cuts material to be cut.
Background technology
Cutter sweep as this use rope saw, proposed a kind of be used to cut cutter sweep electric pole, that between the periphery of the follow-up pulley that rotates the drive pulley of driving by drive unit and be set to rotate freely, twine the diamond rope saw of Endless shape (for example, can be with reference to TOHKEMY 2001-162617 communique.Below, be referred to as patent documentation 1).This cutter sweep applies predetermined tension force to the rope saw, and makes the traveling of rope saw by the rotation drive pulley.And, the part between drive pulley and follow-up pulley of rope saw is pressed into the electric pole outer peripheral face, cut material to be cut (electric pole) thus.
And further, the cutter sweep that this patent documentation 1 is put down in writing cools off this rope saw on the one hand by spraying cooling water to the rope saw, obtains on the one hand and prevents that mesh from stopping up and suppressing to produce from cutting part the effect of dust.
As described in patent documentation 1, in the existing cutter sweep, be furnished with a plurality of drive pulley and the follow-up pulley of the rope saw of reeling, to be used for one side strop saw, Yi Bian drive this rope saw traveling along the predefined paths traveling.But, if the material that these pulleys are made by rubber is formed, the rope saw traveling that then produce heat when the cutting material to be cut, is in the condition of high temperature is during by these pulleys, and the heat of rope saw can pass to each pulley, makes the rubber of pulley that fusion take place easily and weares and teares.Therefore, the problem that exists durability to reduce.
At this problem,, can adopt to the rope saw and spray cooling water and cool off the method that rope is sawed as above-mentioned patent documentation 1.But this method need spray to the rope saw from parts such as nozzles with a large amount of cooling waters, therefore is necessary to develop a kind of cutter sweep that does not use cooling water also can cool off rope saw and a plurality of pulleys effectively.
Summary of the invention
The present invention proposes in order to address the above problem, the object of the present invention is to provide a kind of by in the traveling process of rope saw, the condition of high temperature rope saw that just carries out after the cutting action is cooled off, thereby can improve the rope saw cutting device of the durability of pulley.
To achieve these goals,, comprising according to rope saw cutting device of the present invention: the rope saw of extensible setting, so that its part contacts with material to be cut; A plurality of pulleys, the described rope saw that is used to guide extension to be arranged at described material to be cut is provided with the direction traveling along its extension; Cooling device is used in the traveling path of described rope saw, and the contact portion in described each pulley between and then described rope saw and the described material to be cut and the described rope of being reeled on the pulley that is provided with are sawed and blown out refrigerating gas.
According to described rope saw cutting device, in the traveling path of rope saw, saw just cutting the material to be cut rope that is wound on the pulley afterwards, blow out refrigerating gas by cooling device.Therefore, need not to spray a large amount of cooling waters, can be in cooling on one side because of sawing, Yi Bian cut material to be cut with the rope that friction that contacting of material to be cut causes becomes high temperature.Therefore, on other pulleys of comparing the front side that being positioned at rope saw direction of travel with the pulley that is cooled, the rope saw in the traveling also all is in chilled state, so can suppress the wearing and tearing of the pulley that causes to the heat transmission of pulley from the rope saw.
And then, be wound with the device cooling of directly being cooled the rope saw the also injected refrigerating gas of pulley self and cool off.Therefore, can suppress the wearing and tearing of the pulley that causes to the heat transmission of pulley from rope saw.
In addition, rope saw cutting device of the present invention also can have first lid of the pulley that is used to cover and then described contact portion setting.
At this moment, the refrigerating gas that blows to the rope saw from cooling device can be enclosed in first lid.Therefore, have the be not cooled effect of other parts of rope saw that gas directly blows over and pulley of indirect cooling, can improve cooling effectiveness.
Again, rope saw cutting device of the present invention also has second lid of described each pulley outside the pulley that is used to cover and then described contact portion setting, and the inner space of the inner space of described first lid and described second lid is interconnected.
At this moment, because the inner space of first lid is interconnected with the inner space of accommodating second lid of other pulleys, the refrigerating gas of therefore being enclosed in first lid flows in second lid, can reduce the internal temperature of second lid.So, can reduce the temperature that other interior pulleys of second lid and part rope wound thereon are sawed.
Again, in the rope saw cutting device of the present invention, it is also harmless that suction tube is arranged on described first lid and the described second lid at least one place in the two, and described suction tube is used to connect the suction device of the smear metal that produces when attracting described material to be cut to be cut.
In a word, according to rope saw cutting device of the present invention, just cut pulley that rope saw and this rope of reeling after the material to be cut saw and together be cooled gas blow and cool off.And on other pulleys of the front side that is positioned at rope saw direction of travel than this pulley, the rope saw in the traveling also is by other pulleys after being cooled.Therefore, the wearing and tearing of these pulleys of causing because of the heat transmission that cuts other pulleys from rope can be suppressed, the durability of all pulleys can be improved.
Description of drawings
Fig. 1 is the front elevation that the state that uses the rope saw cutting device cutting concrete bodies relevant with one embodiment of the present invention is shown;
Fig. 2 is the part intercepting front elevation of rope saw cutting device shown in Figure 1;
Fig. 3 is the side view of rope saw cutting device, is that A-A shown in Figure 2 is to view;
Fig. 4 is the plane of rope saw cutting device.
The specific embodiment
Below, the embodiment of rope saw cutting device of the present invention is described based on Fig. 1 to Fig. 4.
Fig. 1 is the front elevation that the state that uses the rope saw cutting device cutting concrete bodies relevant with embodiments of the present invention is shown, Fig. 2 is the part intercepting front elevation of rope saw cutting device shown in Figure 1, Fig. 3 is the side view of rope saw cutting device, be A-A shown in Figure 2 to view, Fig. 4 is the plane of rope saw cutting device.
Fig. 1 shows the rope saw cutting device 1 (below, abbreviate cutter sweep 1 as) of the present embodiment that is used for cutting the concrete bodies C that constitutes material to be cut.As this concrete bodies C, its applicable object for example can be concrete such as the pillar of structure and sheet material, roadbed, bridge pier, also can be armored concrete.At this, for the concrete bodies C of present embodiment, the above-below direction on Fig. 1 paper is its thickness direction, and its bottom is provided with the space.
In addition, for the needs of explanation, as left and right directions, the thickness direction of concrete bodies C describes as above-below direction with the width of cutter sweep 1 in the present embodiment.
At this, on the concrete bodies C that is cut, be equivalent to the position at the width two ends of cutting part, be pre-formed the cutting ditch M (M1, M2) that connects along thickness direction.And, these cutting ditches M1, M2, one end of its length direction is at the face side opening (upper face side) of concrete bodies C, and the other end is side (following side) opening overleaf, and these cuttings ditch M1, M2 for along the paper of Fig. 1 inwards the continuous ditch of direction be self-evident.These cutting ditches M1, M2 also can be through holes such as circular hole.
As shown in Figure 1 to Figure 3, cutter sweep 1 possesses base 2 as its main composition parts, rope saw 3, drive unit 4 and cooling device 5, also possesses dust collect plant 6 on this basis and roughly constitutes cutter sweep 1.Wherein, base 2 comprise be used for fixing pedestal 21 concrete bodies C surface, that constitute by plate-shaped member with the face that is provided with of this pedestal 21 mutually near and the holding components 22 that extends in parallel.
The coiling pulley of rope saw 3 is made up of a pair of drive pulley 41 (41A, 41B), three fixed blocks 42 (42A, 42B, 42C), a pair of mobile pulley 43 (43A, 43B), a pair of drive pulley 41 (41A, 41B) left and right symmetrically is arranged in the width both sides of base 2, and according to drive motors 45 (with reference to Fig. 3) turning power is passed to rope saw 3; Three fixed blocks 42 (42A, 42B, 42C) can be fixed on holding components 22 with rotating freely between drive pulley 41A, 41B; A pair of mobile pulley 43 (43A, 43B) can towards move away from the direction (arrow E direction) of these fixed blocks 42A～42C with near or away from these fixed blocks 42A～42C.Each drive pulley 41A, 41B be (arrow F1 direction) rotation in a clockwise direction on Fig. 2 paper, applies the turning power of arrow F2 direction (with reference to Fig. 1) thus to rope saw 3.
Be wound on the rope saw 3 of each pulley 41,42,43, it slightly is the top that a banded end at first is wound on the above-below direction of the second drive pulley 41B periphery that is arranged in the left and right directions right side.Then, this rope saw 3 extends out from the right side of the left and right directions of the second drive pulley 41B periphery, successively by the cutting ditch M1, the M2 that pre-set to twine concrete bodies C.This rope saw 3 continues to extend, and the left side of the left and right directions of the first drive pulley 41A periphery on the left of being arranged in left and right directions begins to reel.Then, this rope saw 3 continues to extend, after reeling so that the order of fixed block 42A, mobile pulley 43A, fixed block 42B, mobile pulley 43B, fixed block 42C is mutual, be connected to an end of the rope saw 3 that is wound on the second drive pulley 41B and be connected to become the shape of Endless.Above path becoming the traveling path of rope saw 3 when cutting operation.In addition, the first drive pulley 41A is equivalent to the contact portion between and then rope saw of the present invention and the material to be cut and the pulley that is provided with.
As shown in Figure 4, an end of travel mechanism 44 is fixed in pedestal 21.And, this travel mechanism 44 possess the column that the direction that intersects vertically along the face that is provided with pedestal 21 extends guide rail 46, be set to the movable plate 47 that can slide along guide rail 46, the slip drive motors 48 that is used to drive movable plate 47.Movable plate 47 is guided by guide rail 46 and can move along the vertical direction.And, a pair of mobile pulley 43A, 43B are installed on this movable plate 47, this a pair of mobile pulley 43A, 43B can be around rotating shaft rotations separately.
So, cutter sweep 1 rope saw 3 as shown in Figure 1 in the direction of the clock (direction of travel F2) under the state of above-mentioned traveling path traveling, by travel mechanism 44 mobile pulley 43A, 43B are moved towards tension direction E, thereby apply tensile force to the rope saw 3 that is wound on concrete bodies C.Thus, in this cutter sweep 1, concrete bodies C moves towards tension direction E gradually with rope saw 3 cut surfaces that are in contact with one another (double dot dash line shown in Figure 1), thereby can cut concrete bodies C.
And this cutter sweep 1 is provided with first lid 7, to cover the first drive pulley 41A of the position, tight back that is arranged in rope saw 3 cutting concrete bodies C.This first lid 7 is equipped with cooling device 5, by this cooling device 5 can the two blows out refrigerating gas to the first drive pulley 41A and part rope wound thereon saw 3.
In addition, also be provided with the auxiliary lid 8 (second lid) of the second drive pulley 41B that is used to cover opposite side and be used to cover the auxiliary lid 9 (second lid) of all fixed blocks 42 and mobile pulley 43 in the present embodiment.The inner space of the inner space of described first lid 7 and second lid 8,9 is the state that is connected.
As shown in Figures 2 and 3, cooling device 5 has adopted the cooling device that uses vortex tube.In the traveling path of rope saw 3, first drive pulley, the 4 1A places in the position, tight back that is positioned at rope saw 3 cutting concrete bodies C are in order to blow out refrigerating gas and to be furnished with cooling device 5 to the rope saw 3 that is wound on this first drive pulley 41A.That is, in this cooling device 5, be built-in with on the apparatus main body 51 of tubulose of vortex tube and be connected with, be used for the compressed air of reception should for tracheae 52 from compressor (not shown) to tracheae 52.Described vortex tube rotates the described tracheae 52 compressed and supplied air of giving at a high speed, thereby produces eddy current in apparatus main body 51.Thus, described compressed air is compressed, expands, and is separated into cold wind and hot blast, and discharges from the jet 51a of apparatus main body 51 1 ends.
The position of this jet 51a is for only reserving some the position of (standoff distance) at interval between first lid, 7 inside and the first drive pulley 41A periphery, constituting can be simultaneously to the periphery of the first drive pulley 41A and part rope saw 3 injection refrigerating gas wound thereon.At this, take all factors into consideration jet 51a from rope saw 3 whenever away from 5mm, chilling temperature rises 10 ℃ approximately, and need reduce jet 51a saw 3 the both of these case that contacts with the rope that is vibrating when 3 travelings of rope saw, described standoff distance is preferably about 2mm～10mm.
In addition, jet 51a is formed by the rubber prepared material, even so that because of vibration takes place and the contacting of rope saw 3, also can not damage.And, can adjust (particular content illustrates in the back) according to the specifications parameter of pressure and temperature, quantity delivered and the vortex tube of institute's compressed and supplied air from the parameters such as temperature of the refrigerating gas of cooling device 5 ejection.
And in the dust collect plant 6, the suction tube 61 that is connected in not shown suction device is installed in the position near the peristome that cuts ditch M of lid 7,8.This dust collect plant 6 will be owing to the cutting operation of rope saw 3 be contained in the lid 7 from the smear metal (concrete powder) of the material to be cut that disperses towards direction of travel F2 side as the concrete bodies C of material to be cut, and this smear metal of accommodating is siphoned away by suction tube 61.
Rope saw cutting process when next, 1 couple of concrete bodies C as material to be cut of rope saw cutting device with above-mentioned formation of accompanying drawings utilization carries out aforesaid part cutting.
As shown in Figure 1, at first, between cutting ditch M1 that is formed at concrete bodies C and M2, will for form above-mentioned traveling path set up and be connected to the inboard of rope saw 3 of Endless shape and concrete bodies C below be in contact with one another.Then, drive the slip drive motors 48 of travel mechanism 44, movable plate 47 and mobile pulley 43A, 43B are moved towards tension direction E together, tractive mutually between fixed block 42 and the mobile pulley 43 thus, thus be endowed predetermined tensile force.
Then, under this state, by drive motors 45 drive pulley 41A, 41B are rotated driving, make rope saw 3, simultaneously movable plate 47 and a pair of mobile pulley 43A, 43B are moved (tension direction E) to the direction that face is set further away from each other together along direction of travel F2 traveling.Thus, further apply tensile force, shown in the double dot dash line of Fig. 1, make among the rope saw 3 incision concrete bodies C to rope saw 3.And the contact position of the following and rope saw 3 of concrete bodies C gradually changes towards the upper face side (cutter sweep 1 side) of concrete bodies C, and concrete bodies C is cut thereupon.
At this moment, in this cutter sweep 1, for just having cut the concrete bodies C rope saw 3 that is wound in the first drive pulley 41A outer peripheral portion afterwards, that promptly just extracted in the traveling path of rope saw 3 from cutting ditch M, blow out refrigerating gas by cooling device 5, need not to spray a large amount of cooling waters thus also can cool off on one side because of contact the rope saw 3 that causing rubs becomes high temperature with concrete bodies C, Yi Bian cut concrete bodies C.
Therefore, on other pulleys (41B, 42A～42C, 43A, 43B) of comparing the front side that is positioned at rope saw 3 direction of travels with the first drive pulley 41A, rope in traveling saw 3 also is in the state that is cooled, and therefore can suppress to transmit caused wearing and tearing from rope saw 3 to the heat of other pulleys (41B, 42A～42C, 43A, 43B).
And, for the first drive pulley 41A self that is wound with the rope saw 3 that is directly cooled by cooling device 5, also be cooled gas blow and be cooled, therefore can suppress to transmit caused wearing and tearing from the heat of rope saw 3 to first drive pulley 41A.
So, being blown to temperature the having or not or restrict and saw 3 outside dimension and traveling speed etc. and carry out aforesaid adjustment of the refrigerating gas of rope saw 3 according to the cutting area of the material to be cut (concrete bodies C) that is cut or inner reinforcing bar, for example the temperature for the saw of the rope after just cutting 3 reaches 120 ℃～210 ℃ situation, with pressure, the 0.4m of 0.6MPa～0.7MPa
3/ min～0.8m
3The air quantity of/min blows out 0 ℃～-40 ℃ refrigerating gas, thereby the temperature of rope saw 3 can be reduced to 30 ℃～50 ℃.
In addition, if the temperature of this refrigerating gas is low excessively, then the low temperature deterioration can take place and peel off in the rubber of the coating film that is covered between the pearl of rope saw 3, and the metallic cable of the inside can expose, the lifetime of the saw 3 that may cause restricting.Therefore, in this rope saw cutting process, the temperature of refrigerating gas is preferably 0 ℃～-40 ℃ scope.
And in the present embodiment, the standoff distance between the jet 51a of cooling device 5 and the rope saw 3 is set at 2mm～10mm as mentioned above.Therefore, can suppress to cool off effectively near the position of rope the saw 3 and first drive pulley 41A simultaneously because of rope saw 3 vibration in traveling that is wound on the first drive pulley 41A makes jet 51a and rope saw 3 phenomenons that contact with each other.
And then, owing to be the cooling means that does not make water, therefore cooling water can not take place or mix the water that smear metal is arranged to disperse or flow to situation around the operation field, obtained the effect that can under the state of the environment that keeps clean, carry out cutting operation.
And, owing to can blow the smear metal that flies and remove attached to the material to be cut on rope saw 3 surfaces (in the present embodiment for cut the concrete powder that gets off from concrete bodies C) by refrigerating gas being blowed to rope saw 3, therefore can when stopping up, the mesh that prevents the rope saw 3 that smear metal causes realize more effectively cooling.
And, the refrigerating gas that blows to rope saw 3 from cooling device 5 can be enclosed in first lid 7, therefore for other parts of rope the saw 3 and first drive pulley 41A that does not directly blow over refrigerating gas, also have the effect of indirect cooling, can cool off whole pulley effectively.
The inner space of adding first lid 7 interconnects with the inner space of accommodating second lid 8,9 of other pulleys, therefore the refrigerating gas of being enclosed in first lid 7 flows in second lid 8,9, and second lid, 8,9 temperature inside also can be lowered thus.Therefore, can reduce the temperature of other pulleys (41B, 42A～42C, 43A, 43B) and part rope wound thereon saw 3.
And then, according to present embodiment, in the mobile route of rope saw 3 not with scope that concrete bodies C contact in, rope saw 3 is cooled and returns low temperature, so has also obtained the effect of generating heat in the time of can suppressing to cut concrete bodies C.
On the other hand, in this cutter sweep 1, therefore be equipped with the suction tube 61 of dust collect plant 6 in first lid 7 and second lid 8,, thereby can prevent that smear metal from dispersing attached on the rope saw 3 and the smear metal of discharging is collected in the lid 7,8 and attracted, reclaimed by suction tube 61.
As mentioned above, in rope saw cutting device, just cut rope saw 3 after the concrete bodies C and sawed 3 the together injected refrigerating gas of the first drive pulley 41A with this rope of reeling and cool off according to present embodiment.And on other pulleys (41B, 42A～42C, 43A, 43B) of comparing the front side that is positioned at rope saw 3 direction of travels with this first drive pulley 41A, the rope saw 3 of traveling also is to pass through with chilled state.Therefore, can suppress to transmit caused wearing and tearing to the heat of other pulleys (41B, 42A～42C, 43A, 43B), can improve the durability of all pulleys from rope saw 3.
More than, the embodiment according to rope saw cutting device of the present invention has been described, but has the invention is not restricted to above-mentioned embodiment, can in the scope that does not exceed its purport, suitably change.
For example, the pulley of injected refrigerating gas is the first drive pulley 41A in the present embodiment.But, be not to be defined in this, corresponding to the configuration of the pulley that rope saw cutting device had, need to select the pulley of cooling to get final product.That is to say, as long as the rope saw 3 that will just cut after the material to be cut soon cools off with pulley, as for pulley itself, regardless of being that drive pulley or follow-up pulley are all harmless.
And formations such as the configuration of the traveling path of rope saw 3, each pulley 41,42,43 of drive unit 4, quantity, size are not limited to present embodiment, but can select arbitrarily corresponding to conditions such as the shape of material to be cut, material, cut coverage.
And the position of the jet 51a of cooling device 5 is as long as in the peripheral extent of the first drive pulley 41A that the saw of the rope after just carrying out cutting action 3 is reeled, there is no need its position is limited to a certain specified point.For example, in the scope that the quilt of the first drive pulley 41A periphery is reeled, the closer to the position that begins to reel, cooling effect is good more, and this is self-evident.
And, be provided with second lid 8,9 in the present embodiment, but be not limited thereto, only be provided with first lid 7 that covers the first drive pulley 41A and also can.And, even for this first lid 7,, it is dispensed also harmless though preferably be provided with first lid 7 from above-mentioned cooling effect this point.
And then the rope saw cutting device of present embodiment has used the cooling device 5 that adopts vortex tube, has and only passes through to supply with compressed air from compressor, just can produce the simple structure of sub-cooled gas, and is therefore very suitable.But, except this cooling device 5, for example can adopt gas with liquefaction such as low-temperature carbon dioxide or liquid nitrogen, mixes with air etc. as required and after adjusting temperature, blow to restrict as refrigerating gas and saw 3 cooling device.
Claims (4)
1, a kind of rope saw cutting device is characterized in that comprising:
The rope saw of extensible setting is so that its part contacts with material to be cut;
A plurality of pulleys, guiding extend the described rope saw that is arranged at described material to be cut and along its extension the direction traveling are set;
Cooling device, in the traveling path of described rope saw, the contact portion in described each pulley between and then described rope saw and the described material to be cut and the described rope of being reeled on the pulley that is provided with are sawed and are blown out refrigerating gas.
2, rope saw cutting device according to claim 1 is characterized in that also having first lid that is used to cover the described pulley that and then described contact portion is provided with.
3, rope saw cutting device according to claim 2 is characterized in that:
Second lid that also has described each pulley outside the described pulley that is used to cover and then described contact portion setting;
The inner space of the inner space of described first lid and described second lid is interconnected.
4, rope saw cutting device according to claim 3, it is characterized in that suction tube is arranged on described first lid and the described second lid at least one place in the two, described suction tube is used to connect the suction device of the smear metal that produces when attracting described material to be cut to be cut.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008192424 | 2008-07-25 | ||
| JP2008-192424 | 2008-07-25 | ||
| JP2008192424A JP2010030074A (en) | 2008-07-25 | 2008-07-25 | Wire saw cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101633214A true CN101633214A (en) | 2010-01-27 |
| CN101633214B CN101633214B (en) | 2012-10-10 |
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ID=41592631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101371972A Expired - Fee Related CN101633214B (en) | 2008-07-25 | 2009-05-14 | Rope saw cutting device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2010030074A (en) |
| CN (1) | CN101633214B (en) |
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- 2008-07-25 JP JP2008192424A patent/JP2010030074A/en active Pending
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2009
- 2009-05-14 CN CN2009101371972A patent/CN101633214B/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2010030074A (en) | 2010-02-12 |
| CN101633214B (en) | 2012-10-10 |
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