CN114179229A - Diamond wire saw chain cutting process - Google Patents
Diamond wire saw chain cutting process Download PDFInfo
- Publication number
- CN114179229A CN114179229A CN202111521535.XA CN202111521535A CN114179229A CN 114179229 A CN114179229 A CN 114179229A CN 202111521535 A CN202111521535 A CN 202111521535A CN 114179229 A CN114179229 A CN 114179229A
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- diamond
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- 238000005520 cutting process Methods 0.000 title claims abstract description 76
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 62
- 239000010432 diamond Substances 0.000 title claims abstract description 62
- 239000004575 stone Substances 0.000 claims abstract description 40
- 238000005553 drilling Methods 0.000 claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 238000001914 filtration Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 239000011435 rock Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000005457 optimization Methods 0.000 description 6
- 235000004237 Crocus Nutrition 0.000 description 5
- 241000596148 Crocus Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/06—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with reciprocating saw-blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/29—Filters with filtering elements which move during the filtering operation the movement of the filter elements being a combination of movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/06—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with reciprocating saw-blades
- B28D1/068—Components, e.g. guiding means, vibrations damping means, frames, driving means, suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The application relates to the technical field of engineering construction, and particularly discloses a diamond wire saw chain cutting process which comprises the steps of (1) positioning and paying off to form a rectangular top square of an earth and stone square to be cut; (2) drilling holes at the top of the square block by adopting a hydraulic drill static force drilling mode to form a vertical hole at the top angle of the earth and stone to be cut; (3) the concrete cutting machine vertically cuts the earthwork to form a cutting seam with the depth of 0.5-0.6 m; (4) mounting the diamond wire saw, namely fixing a base of a main machine of the diamond wire saw on the outer side of the short edge A of the square at the top of the earth and stone to be cut; (5) horizontally cutting the bottom of the earth and rock by using a diamond rope saw, and finally separating the stone blocks from the bedrock; (6) hoisting the stone blocks, and hoisting the cut stone blocks; and (5) repeating the step (3), the step (4) and the step (5) until the foundation pit reaches the design depth. The cutting depth of each time is controlled to be 0.5-0.6m, and the disturbance to the structure of the lower interval is favorably reduced through the layered cutting of the thin layer.
Description
Technical Field
The invention relates to the technical field of engineering construction, in particular to a diamond wire saw chain cutting process.
Background
Aiming at the construction reconstruction project of the existing high-speed railway station, the prior ground structures such as the platform, the track, the pedestrian overpass and the like are firstly required to be completely dismantled and reconstructed. Before newly building the superstructure, firstly, need carry out foundation ditch excavation, at this moment, the interval tunnel will become the shallow tunnel from deeply burying the tunnel. In the existing engineering construction, the technology of cutting the earthwork mainly adopts a rock cutting machine to vertically cut the earthwork, and horizontal chiseling is carried out after the cutting is finished, so that vibration can be caused, and the existing buildings, equipment and the like are affected. Under the conditions that the strength of the stone is high, and a business railway or a subway is arranged at the bottom or beside the stone, or the stone is close to a building or a structure, the mechanical chiseling or blasting process and the like cannot be adopted. The method aims at the problem that after the earth posts are excavated, the bottom tunnel structure is deeply buried into shallow buried, and an excavation scheme needs to be made on the basis of ensuring that the bottom tunnel structure is not deformed.
Disclosure of Invention
The invention aims to provide a diamond wire saw chain cutting process to reduce disturbance to a lower interval structure in the construction process.
The diamond wire saw chain cutting process includes the following steps:
(1) positioning and setting out, namely setting out and composing a foundation pit to be cut and excavated by using a total station to form a rectangular top square of the earthwork to be cut;
(2) performing water drilling static force drilling, namely drilling holes at the top position of the square at the top of the earthwork to be cut in a water drilling static force drilling mode to form vertical holes at the top angle of the earthwork to be cut;
(3) the concrete cutting machine is used for vertically cutting the earthwork, and the concrete cutting machine is used for cutting along the cutting line, so that the depth of a formed cutting seam is 0.5-0.6 m;
(4) the diamond rope saw is installed, a base of a diamond rope saw main machine is fixed on the outer side of a short edge A of a square at the top of an earth and stone square to be cut, reversing pulleys are installed in vertical holes of a vertex angle of the earth and stone square to be cut at two ends of the short edge A, a tangent plane at the lowest end of each reversing pulley is aligned with the bottom of each cutting part, the central axis of each reversing pulley is parallel to the short edge A, a flywheel of the diamond rope saw main machine is located above one reversing pulley, and the central axis of each flywheel is perpendicular to the short edge A; a tensioning device arranged on the outer side of the short edge A of the square top of the earth and stone to be cut is further mounted above the other reversing pulley, the tensioning device comprises a tensioning wheel with a central axis parallel to the central axis of the flywheel, one end of the diamond rope saw is arranged in a cutting seam of the other short edge and two long edges opposite to the short edge A, the other end of the diamond rope saw is sequentially wound on the reversing pulley, the flywheel and the tensioning wheel, and the diamond rope saw is tensioned through the tensioning wheel;
(5) the diamond rope saw is used for horizontally cutting the earthwork, the bottom of the earthwork is horizontally cut by the diamond rope saw, water is flushed into a cutting seam in the cutting process to bring out chippings and ground powder, and finally the stone is separated from the bedrock;
(6) hoisting the stone blocks, and hoisting the cut stone blocks; and (5) repeating the step (3), the step (4) and the step (5) until the foundation pit reaches the design depth.
The friendship effect of this technical scheme lies in:
(1) the method adopts a stone square static force cutting construction, adopts a diamond wire saw to carry out horizontal separation through cutting, can ignore disturbance of a lower interval structure, has regular specification of separated rocks, is convenient for outward transportation, and has small potential safety hazard of construction; no dust and noise are generated in the cutting process.
(2) In the process of horizontally cutting the earthwork by the diamond wire saw, the depth of each cutting seam is 0.5-0.6m, namely the cutting depth is controlled to be 0.5-0.6m, and the cutting effect and the mechanical vibration in the cutting process are more favorably controlled through the layered cutting of the thin layer, so that the disturbance to the lower interval structure is reduced.
(3) The cutting mechanism of the whole cutting process is arranged on the outer side of the short edge A, so that in the layered cutting process, when each layer of cutting is executed from top to bottom, only the reversing pulley in the vertical hole needs to be reinstalled, other structures do not need to be moved, and the cutting efficiency is favorably improved.
The first preferred scheme is as follows: as a further optimization of the basic scheme, the tensioning device comprises a slide rail, a tensioning part and an impact part, wherein the tensioning part and the impact part are arranged at two ends of the slide rail; the impact part comprises a barrel which is connected to the other end of the sliding rail in a sliding mode, a rotating push block is arranged in the barrel, the push block is sealed with the side wall of the barrel, the push block and the barrel form a cylindrical cam structure, the end, away from the tensioning part, of the barrel is provided with a bottom surface for sealing the barrel, a pump cavity is formed between the bottom surface of the barrel and the push block, the side wall of the pump cavity is provided with a water inlet one-way valve and a water discharge one-way valve, one end, facing the pump cavity, of the push block is rotatably connected with a square connecting shaft, and the connecting shaft penetrates through the bottom surface and is rotatably connected with the tensioning wheel; the water inlet check valve is connected to the bottom of the vertical hole at the top angle of the earth and stone to be cut through a pipeline, and the water outlet check valve is connected to the pressure cavity through a pipeline.
In preferred scheme one, overspeed device tensioner comprises tensioning part and impact portion, promptly at the cutting in-process, and the ejector pad can rotate in succession in the impact portion, then the ejector pad can be reciprocating motion in the barrel to the ejector pad will drive the periodic vibration of take-up pulley, and this vibration drives diamond wire saw vibration, can change diamond wire saw rope and earth and contact pressure periodically on the one hand, and on the other hand is favorable to separating out the piece and the crocus of adhesion in diamond wire saw rope and earth and contact department, thereby improves cutting efficiency. Secondly, the pushing block can make water in the vertical hole of the top corner of the earth and stone to be cut continuously sucked in the pump cavity through periodic vibration, and water is continuously supplemented into the cylinder body of the tensioning part, so that the tensioning wheel is continuously pushed forwards, and the tensioning of the diamond saw rope is realized; meanwhile, the pressure relief valve arranged on the side wall of the pressure cavity can discharge redundant water in time when the pressure in the cylinder body is overlarge, so that the diamond sawing rope maintains stable pressure.
The preferred scheme II is as follows: as a further optimization of the first preferred scheme, a filtering device is arranged on a pipeline connected with the water inlet one-way valve. Can filter the piece and the crocus of aquatic through setting up filter equipment, avoid holding chamber and pipe blockage.
The preferable scheme is three: as a further optimization of the second preferred scheme, the filtering device comprises a filter cylinder fixed on the diamond rope saw main machine, a rotatable filter screen is arranged in the middle of the filter cylinder, the filter screen comprises a peripheral ring body and a screen body fixed on the ring body, the side wall of the ring body, which is in contact with the filter cylinder, is provided with a spiral convex rib and a spiral groove which are matched with each other, two ends of the filter screen are respectively connected with a spring, and the end parts of the springs are respectively connected with the top and the bottom of the filter cylinder to form a vibrator; the upper part and the lower part of the filter barrel are respectively provided with a water inlet and a water outlet which are positioned at the upper side and the lower side of the filter screen.
In the third preferred scheme, because the diamond wire saw main machine has certain mechanical vibration when working, the filtering device is arranged on the diamond wire saw main machine, and the filtering net forms a vibrator, under the influence of the mechanical vibration, the filtering net vibrates; simultaneously because the lateral wall that the ring body and cartridge filter contacted is equipped with spiral bead and the spiral recess of mutually supporting for the filter screen is at the in-process of vibration, and the filter screen still has a rotation action, thereby can avoid piece and crocus to block up the filter screen.
The preferable scheme is four: as a further optimization of the third preferred embodiment, the upper surface of the net body of the filter net is provided with a spoiler arranged along the radial direction of the upper surface. When the filter screen rotates, the spoiler has the effect of disturbing the water body to promote the water body to form the whirl, the piece is outwards dispersed with the crocus under the centrifugal force effect, is favorable to the filter screen middle part unobstructed, guarantees the normal circulation of water.
The preferable scheme is five: as a further optimization of the preferable scheme four, a driving motor is fixed at one end of the cylinder of the impact part, which faces the tensioning part, and an output shaft of the driving motor is in splined connection with the push block. Because the push block also has horizontal reciprocating motion while rotating, the spline connection can enable the push block and the motor to have periodic distance change.
The preferable scheme is six: as a further optimization of the preferable scheme four, in the step (1), the width of the square at the top of the earthwork to be cut is 0.5-0.6m, and the length of the square at the top of the earthwork to be cut is 0.8-1.4 m; is beneficial to obtaining better cutting efficiency.
Drawings
FIG. 1 is a schematic view of vertical holes and cutting gaps in the earth and stone;
FIG. 2 is a top view of the diamond wire saw installation;
FIG. 3 is a side view of the diamond wire saw installation;
fig. 4 is a partial cross-sectional view of a diamond wire saw mounting structure.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the cutting device comprises a vertical hole 11 at the top corner of the earth and stone to be cut, a cutting seam 12, a diamond wire saw main machine 20, a flywheel 21, a transition pulley 22, a reversing pulley 31, a tensioning part 41, a cylinder 411, a piston 412, a pressure release valve 413, an impact part 42, a cylinder 421, a push block 422, a connecting shaft 423, a water inlet one-way valve 424, a water outlet one-way valve 425, a tensioning wheel 43, a driving motor 44, a sliding rail 45, a guide pulley 46, a diamond wire saw 50, a filter cylinder 61, a ring body 62, a net body 63, a spring 64, a sealing cover 65, a spoiler 66 and a spring.
The diamond wire saw chain cutting process comprises the following steps:
(1) positioning and setting out, namely setting out and composing a foundation pit to be cut and excavated by using a total station to form a rectangular top square of the earthwork to be cut; the width of the square at the top of the earth and stone square to be cut is 0.5-0.6m, and the length of the square at the top of the earth and stone square to be cut is 0.8-1.4 m.
(2) And (3) performing water drilling static force drilling, namely drilling holes at the top position of the square at the top of the earthwork to be cut in a water drilling static force drilling mode, and forming vertical holes 11 at the top angle of the earthwork to be cut as shown in figure 1.
(3) The concrete cutting machine is used for vertically cutting the earthwork, and the concrete cutting machine is used for cutting along the cutting line, so that the depth of a formed cutting seam 12 is 0.5-0.6 m.
(4) The diamond rope saw 50 is installed, as shown in fig. 2, a base of a main machine 20 of the diamond rope saw 50 is fixed on the outer side of a short side A of a square top of an earth and stone to be cut, reversing pulleys 31 are installed in vertical holes 11 of a vertex angle of the earth and stone to be cut at two ends of the short side A, a tangent plane at the lowest end of each reversing pulley 31 is aligned with the bottom of a cut part, the central axis of each reversing pulley 31 is parallel to the short side A, a flywheel 21 of the main machine 20 of the diamond rope saw 50 is located above one reversing pulley 31, and the central axis of each flywheel 21 is perpendicular to the short side A. A tensioning device which is arranged on the outer side of the short side A of the top square of the earth and stone to be cut is also arranged above the other reversing pulley 31.
As shown in fig. 2, the tensioning device includes a slide rail 45, a tensioning portion 41 and an impact portion 42, the tensioning portion 41 includes a cylinder 411 fixed at one end of the slide rail 45, a piston 412 slidably connected to an inner side wall of the cylinder 411 and sealing the cylinder 411 is disposed in the cylinder 411, a pressure chamber is formed at the bottom of the piston 412 and the cylinder 411, and a pressure relief valve 413 is disposed on a side wall of the pressure chamber. As shown in fig. 3 and 4, the impact portion 42 includes a cylinder 421 slidably connected to the other end of the sliding rail 45, a rotating push block 422 is disposed in the cylinder 421, the push block 422 is sealed with the side wall of the cylinder 421, and the push block 422 and the cylinder 421 form a cylindrical cam structure, so that the push block 422 can perform reciprocating translation while rotating relative to the cylinder 421; one end of the cylinder 421, which is away from the tensioning portion 41, is provided with a bottom surface for closing the cylinder 421, a pump cavity is formed between the bottom surface of the cylinder 421 and the push block 422, the side wall of the pump cavity is provided with a water inlet check valve 424 and a water discharge check valve, one end of the push block 422, which faces the pump cavity, is rotatably connected with a square connecting shaft 423 (in the embodiment, the connecting shaft 423 and the push block 422 realize axial limiting of the connecting shaft 423 and the push block 422 through a C snap ring), and the connecting shaft 423 penetrates through the bottom surface and is rotatably connected with the tensioning wheel 43; a driving motor 44 is fixed to one end of the cylinder 421 of the impact portion 42 facing the tension portion 41, and an output shaft of the driving motor 44 is spline-connected to the push block 422. The water inlet check valve 424 is connected to the bottom of the vertical hole 11 at the top corner of the earth and stone to be cut through a pipeline, and the water outlet check valve 425 is connected to a pressure cavity through a pipeline. In this embodiment, the slide rail 45 adopts two parallel double tracks, and the cross section of the slide rail 45 is T-shaped, and the cylinder 421 is slidably connected to the slide rail 45 through the base.
As shown in fig. 2 and 3, one end of the diamond wire saw 50 is placed into the cutting seam 12 of the other short side and the two long sides opposite to the short side a, the other end of the diamond wire saw 50 is wound on the reversing pulley 31, the flywheel 21 and the tension wheel 43 in sequence, and the diamond wire saw 50 is tensioned by the tension wheel 43; in addition, in order to increase the wrap angle of the diamond rope saw 50 on the flywheel 21 of the main machine 20 of the diamond rope saw 50, a transition pulley 22 is arranged below the flywheel 21. Secondly, in order to avoid that the diamond wire saw 50 cuts the side wall of the vertical hole 11 at the top corner of the earth and stone to be cut in the process that the tensioning device pushes the diamond wire saw 50 outwards to unfold and influence the cutting efficiency, a guide pulley 46 is further arranged above the vertical hole 11 at the top corner of the earth and stone to be cut corresponding to the tensioning device, and a rotating shaft of the guide pulley 46 is fixedly installed on a cylinder 411 of the tensioning part 41.
As shown in fig. 2 and 4, a filtering device is arranged on the pipeline connected with the water inlet check valve 424. The filtering device comprises a filter cylinder 61 fixed on the main machine 20 of the diamond rope saw 50, a rotatable filter screen is arranged in the middle of the filter cylinder 61, the filter screen comprises a ring body 62 on the periphery and a screen body 63 fixed on the ring body 62, the side wall of the ring body 62, which is in contact with the filter cylinder 61, is provided with a spiral convex rib and a spiral groove which are matched with each other, two ends of the filter screen are respectively connected with a spring 64, and the end parts of the spring 64 are respectively connected with the top and the bottom of the filter cylinder 61 to form a vibrator; the upper part and the lower part of the filter barrel are respectively provided with a water inlet and a water outlet which are positioned at the upper side and the lower side of the filter screen. The upper surface of the net body 63 of the filter screen is provided with a spoiler 66 arranged along the radial direction of the upper surface, and the spoiler 66 is in a cross shape; in order to facilitate cleaning of the inside of the filter cartridge 61, the top of the filter cartridge 61 is provided with a detachable sealing cap 65.
(5) Diamond wire saw 50 horizontal cutting earth and stone side uses diamond wire saw 50 to carry out horizontal cut to earth and stone side bottom, washes by water in order to take out the piece crocus in cutting process to cutting gap 12, finally separates stone and basement rock. In order to make full use of water, a pressure relief valve 413 is arranged on the side wall of the pressure cavity and extends into the cutting seam 12 through a pipeline so as to supplement flushing water and realize recycling of water.
(6) Hoisting the stone blocks, and hoisting the cut stone blocks; and (5) repeating the step (3), the step (4) and the step (5) until the foundation pit reaches the design depth.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The diamond wire saw chain cutting process is characterized by comprising the following steps of:
(1) positioning and setting out, namely setting out and composing a foundation pit to be cut and excavated by using a total station to form a rectangular top square of the earthwork to be cut;
(2) performing water drilling static force drilling, namely drilling holes at the top position of the square at the top of the earthwork to be cut in a water drilling static force drilling mode to form vertical holes at the top angle of the earthwork to be cut;
(3) the concrete cutting machine is used for vertically cutting the earthwork, and the concrete cutting machine is used for cutting along the cutting line, so that the depth of a formed cutting seam is 0.5-0.6 m;
(4) the diamond rope saw is installed, a base of a diamond rope saw main machine is fixed on the outer side of a short edge A of a square at the top of an earth and stone square to be cut, reversing pulleys are installed in vertical holes of a vertex angle of the earth and stone square to be cut at two ends of the short edge A, a tangent plane at the lowest end of each reversing pulley is aligned with the bottom of each cutting part, the central axis of each reversing pulley is parallel to the short edge A, a flywheel of the diamond rope saw main machine is located above one reversing pulley, and the central axis of each flywheel is perpendicular to the short edge A; a tensioning device arranged on the outer side of the short edge A of the square top of the earth and stone to be cut is further mounted above the other reversing pulley, the tensioning device comprises a tensioning wheel with a central axis parallel to the central axis of the flywheel, one end of the diamond rope saw is arranged in a cutting seam of the other short edge and two long edges opposite to the short edge A, the other end of the diamond rope saw is sequentially wound on the reversing pulley, the flywheel and the tensioning wheel, and the diamond rope saw is tensioned through the tensioning wheel;
(5) the diamond rope saw is used for horizontally cutting the earthwork, the bottom of the earthwork is horizontally cut by the diamond rope saw, water is flushed into a cutting seam in the cutting process to bring out chippings and ground powder, and finally the stone is separated from the bedrock;
(6) hoisting the stone blocks, and hoisting the cut stone blocks; and (5) repeating the step (3), the step (4) and the step (5) until the foundation pit reaches the design depth.
2. The diamond wire saw chain cutting process of claim 1, wherein: the tensioning device comprises a slide rail, a tensioning part and an impact part, the tensioning part and the impact part are arranged at two ends of the slide rail, the tensioning part comprises a cylinder body fixed at one end of the slide rail, a piston which is connected with the inner side wall of the cylinder body in a sliding manner and seals the cylinder body is arranged in the cylinder body, a pressure cavity is formed between the piston and the bottom of the cylinder body, and a pressure release valve is arranged on the side wall of the pressure cavity; the impact part comprises a barrel which is connected to the other end of the sliding rail in a sliding mode, a rotating push block is arranged in the barrel, the push block is sealed with the side wall of the barrel, the push block and the barrel form a cylindrical cam structure, the end, away from the tensioning part, of the barrel is provided with a bottom surface for sealing the barrel, a pump cavity is formed between the bottom surface of the barrel and the push block, the side wall of the pump cavity is provided with a water inlet one-way valve and a water discharge one-way valve, one end, facing the pump cavity, of the push block is rotatably connected with a square connecting shaft, and the connecting shaft penetrates through the bottom surface and is rotatably connected with the tensioning wheel; the water inlet check valve is connected to the bottom of the vertical hole at the top angle of the earth and stone to be cut through a pipeline, and the water outlet check valve is connected to the pressure cavity through a pipeline.
3. The diamond wire saw chain cutting process of claim 2, wherein: and a filtering device is arranged on a pipeline connected with the water inlet one-way valve.
4. A diamond wire saw chain cutting process according to claim 3, characterized in that: the filter device comprises a filter cartridge fixed on a diamond rope saw main machine, a rotatable filter screen is arranged in the middle of the filter cartridge, the filter screen comprises a ring body on the periphery and a screen body fixed on the ring body, the side wall of the ring body, which is in contact with the filter cartridge, is provided with a spiral convex edge and a spiral groove which are matched with each other, two ends of the filter screen are respectively connected with a spring, and the end parts of the springs are respectively connected with the top and the bottom of the filter cartridge to form a vibrator; the upper part and the lower part of the filter barrel are respectively provided with a water inlet and a water outlet which are positioned at the upper side and the lower side of the filter screen.
5. The diamond wire saw chain cutting process of claim 4, wherein: the upper surface of the net body of the filter net is provided with a spoiler arranged along the radial direction of the filter net.
6. The diamond wire saw chain cutting process of claim 2, wherein: and a driving motor is fixed at one end of the cylinder of the impact part, which faces the tensioning part, and an output shaft of the driving motor is connected with the push block through a spline.
7. The diamond wire saw chain cutting process of claim 1, wherein: in the step (1), the width of the square at the top of the earthwork to be cut is 0.5-0.6m, and the length of the square at the top of the earthwork to be cut is 0.8-1.4 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111521535.XA CN114179229B (en) | 2021-12-13 | 2021-12-13 | Diamond rope saw chain cutting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111521535.XA CN114179229B (en) | 2021-12-13 | 2021-12-13 | Diamond rope saw chain cutting process |
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| Publication Number | Publication Date |
|---|---|
| CN114179229A true CN114179229A (en) | 2022-03-15 |
| CN114179229B CN114179229B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111521535.XA Active CN114179229B (en) | 2021-12-13 | 2021-12-13 | Diamond rope saw chain cutting process |
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| JPH06246737A (en) * | 1993-02-23 | 1994-09-06 | Shingo Ogyu | Driver for diamond wire saw |
| ITTO20000326A0 (en) * | 2000-04-06 | 2000-04-06 | Emilio Brocco | PROCEDURE FOR SECTIONING OF BLOCKS IN QUARRIES OF STONE AND SIMILAR MATERIAL AND MACHINE FOR ITS IMPLEMENTATION. |
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