CN113459297A - Rope saw cutting machine - Google Patents
Rope saw cutting machine Download PDFInfo
- Publication number
- CN113459297A CN113459297A CN202110893026.3A CN202110893026A CN113459297A CN 113459297 A CN113459297 A CN 113459297A CN 202110893026 A CN202110893026 A CN 202110893026A CN 113459297 A CN113459297 A CN 113459297A
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- Prior art keywords
- rope saw
- wheel
- monitoring
- tension wheel
- cutting
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- 238000005520 cutting process Methods 0.000 title claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 230000033001 locomotion Effects 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 2
- 230000009123 feedback regulation Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 description 9
- 230000007704 transition Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- B28D1/08—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws
-
- 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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a rope saw cutting machine, relating to the technical field of rope saw cutting machines, comprising a bracket and a beam, wherein the beam vertically slides up and down along the bracket, a plurality of strands of closed loop rope saws are arranged on the beam, a cutting limit wheel and a driving wheel for drawing the guide rope saw, wherein one side of any rope saw is provided with a tensioning adjusting mechanism, the tension adjusting mechanism is provided with a monitoring mechanism +, the monitoring mechanism is configured to monitor the adjusting variable of the tension adjusting mechanism, feed back and adjust the movement speed of the rope saw and the feeding speed of the downward beam, the state of the rope saw can be judged by monitoring the change of the tension wheel through the monitoring mechanism, the cutting speed can be automatically reduced when the tension force of the rope saw is detected to be larger than a set value, when the tension of the rope saw is smaller than a set value, the cutting speed can be automatically accelerated to the optimal cutting speed, so that the cutting efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of rope saw cutting machines, and particularly relates to a rope saw cutting machine.
Background
The wire saw cutting machine is a device for cutting materials by adopting the high-speed linear motion of a diamond wire saw, and is suitable for cutting and processing various hard materials. The cutting and dismantling device aims at thick concrete and irregular concrete. For example: when the concrete structures such as the girder, the support, the high-speed rail bridge pier, the equipment foundation and the like need to be partially dismantled, only the rope saw is adopted for cutting, the using method is flexible, and transverse cutting and vertical cutting can be carried out.
When large-scale stone is cut, a plurality of rope saws are generally adopted for simultaneously cutting, in the cutting process of the rope saws, because the cutting tool bits of the rope saws have different sharpness and the internal density of the stone is different, part of the rope saws are in a stretched state and the other part of the rope saws are loose in the cutting process of the rope saws and easy to reduce the cutting efficiency, and therefore the rope saw cutting machine is provided
Disclosure of Invention
In view of the shortcomings in the prior art, the present invention is directed to a rope saw cutting machine to solve the problems in the background art.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a rope saw cutting machine, includes support and crossbeam, and the crossbeam slides from top to bottom along the support is perpendicular, is equipped with the closed loop rope saw of stranded of motion on the crossbeam to and be used for drawing spacing wheel of cutting and the action wheel of direction rope saw, arbitrary rope saw one side all be equipped with tensioning adjustment mechanism, be equipped with monitoring mechanism + on the tensioning adjustment mechanism, monitoring mechanism is configured and is used for monitoring tensioning adjustment mechanism's regulating variable, feedback regulation rope saw's the velocity of motion and the descending feed rate of crossbeam.
As a further scheme of the invention, the tension adjusting mechanism comprises a tension wheel, a roller is arranged on the side of the tension wheel close to the rope saw, an annular groove for accommodating the rope saw is formed in the roller, the roller is rotatably connected with the tension wheel, a linear driving mechanism is arranged on the side of the tension wheel far away from the rope saw and used for adjusting the tension wheel to move horizontally, the monitoring mechanism comprises a displacement electronic ruler, and the displacement electronic ruler is used for monitoring the displacement of the tension wheel in real time.
As a further scheme of the invention, the tension adjusting mechanism comprises a tension wheel, a roller is arranged on the side of the tension wheel close to the rope saw, an annular groove for accommodating the rope saw is formed in the roller, the roller is rotationally connected with the tension wheel, and a linear driving mechanism is arranged on the side of the tension wheel far away from the rope saw and used for adjusting the tension wheel to move horizontally;
the linear driving mechanism comprises a hydraulic cylinder, a tensioning wheel is fixedly connected with a piston rod of the hydraulic cylinder, the hydraulic cylinder is fixedly connected with a fixing seat, the fixing seat is fixedly connected with a cross beam, a cylinder body of the hydraulic cylinder is communicated with the oil cylinder through a connecting pipe, the monitoring mechanism comprises a connecting pipe flowmeter, and the connecting pipe flowmeter is installed on the connecting pipe and used for monitoring the flow change of the connecting pipe.
As a further scheme of the invention, the device further comprises a cooling mechanism, wherein the cooling mechanism comprises a spray head support, two groups of spray head supports are arranged below the middle of the cross beam, one end of each spray head support is hinged with the bottom surface of the fixing plate, and a rotating mechanism is arranged on the fixing plate and used for driving the spray head supports to rotate so as to adjust the spraying width of the spray head supports.
According to a further scheme of the invention, the driving mechanism comprises a connecting rod, a gear and a rack, a connecting round rod and a hinge rotating shaft are arranged on the top surface of the spray head support, the end part, close to the spray head support, of the hinge rotating shaft is hinged to the fixed plate, the connecting round rod is accommodated in a quarter of arc-shaped waist-shaped groove formed in the fixed plate, the connecting round rod is matched with a notch of the arc-shaped waist-shaped groove in the fixed plate, the connecting round rod penetrates through a bottom plate of the fixed plate and is matched with a notch of a waist-shaped hole formed in one end of the connecting rod, the gear is located in the center position of the top end of the connecting rod and is fixedly connected with the connecting rod, the rack is located on one side of the gear and is meshed with the gear, and one end of the rack is connected with a second air cylinder.
The invention has the beneficial effects that: through the change of monitoring mechanism monitoring take-up pulley, can judge the state of rope saw, detect that the rope saw tensioning force is greater than and set for numerical value, cutting speed can descend automatically, is less than when setting for numerical value as the tensioning force of rope saw, and cutting speed can be automatic with higher speed to optimum cutting speed to cutting efficiency has been improved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention
FIG. 3 is a schematic view of the internal transmission portion of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
in the figure: the device comprises a support-1, a cross beam-2, a rope saw-3, a spray head support-4, a cutting limiting wheel-5, a driving wheel-6, a belt-7, an oil cylinder-8, a transition wheel-9, a tension wheel-10, a fixed seat-11, a connecting pipe-12, a hydraulic cylinder-13, a displacement electronic ruler-14, a fixed plate-21, a first air cylinder-22, a lead screw-101, a motor-102, a flow meter-121, a connecting rod-41, a connecting round rod-401, a hinged rotating shaft 402, a gear-42, a rack-43, a second air cylinder-44 and a kidney-shaped hole-411.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, in the embodiment of the present invention, a rope saw cutting machine includes a support 1 and a beam 2, the beam 2 vertically slides up and down along the support 1, two ends of the beam 2 are provided with a driving mechanism for driving the beam 2 to move up and down to control the cutting feed motion, hydraulic transmission is adopted, a lead screw 101 is arranged in a vertical arm at two sides of the support 1, two ends of the beam 2 are respectively in threaded fit with the lead screw 101, the top end of the lead screw 101 is fixedly connected with an output shaft of a motor 102, i.e. the beam 2 is driven by the motor 102 to move up and down for convenient transmission and convenient control, the beam 2 is provided with a plurality of strands of moving closed loop rope saws 3, a cutting limit wheel 5 and a driving wheel 6 for guiding the rope saws 3, the cutting limit wheel 5 is symmetrically arranged at the center of the beam 2, the cutting limit wheel 5 is rotatably connected with the beam 2, and the rope saws 3 are pulled to straighten by the cutting limit wheel 5, the driving wheel 6 is arranged at the left end of the left cutting limiting wheel 5, the driving wheel 6 is connected with a driving motor through a belt 7 to drive the cutting limiting wheel 5 to rotate so as to realize cutting, two groups of transition wheels 9 are arranged in the vertical direction of the right end of the right cutting limiting wheel 5 of the cross beam 2, namely, the rope saw 3 sequentially penetrates through the driving wheel 6, the cutting limiting wheel 5 and the transition wheels 9 to form a closed loop, driving control movement is provided through the driving wheel 6, and annular grooves for accommodating the rope saw 3 are formed in the cutting limiting wheel 5, the transition wheels 9 and the driving wheel 6;
the automatic rope saw cutting machine is characterized in that an independent tensioning adjusting mechanism is arranged on one side of each rope saw 3, a monitoring mechanism is arranged on each tensioning adjusting mechanism, the monitoring mechanism is configured to monitor adjusting variables of the tensioning adjusting mechanisms, the movement speed of the rope saw 3 and the feeding speed of the descending cross beam 2 are fed back and adjusted, the motor 102, the driving motor, the tensioning adjusting mechanisms and the monitoring mechanisms are connected through the PLC control unit, the adjusting change value of the tensioning adjusting mechanisms is monitored through the monitoring mechanism, the cutting feeding speed and the movement speed of the rope saw 3 are adaptively adjusted, when the fact that the tensioning force of the rope saw is greater than a set value is detected, the cutting speed can automatically descend, and when the tensioning force of the rope saw is less than the set value, the cutting speed can automatically accelerate to the optimal cutting speed. Thereby improving the cutting speed and efficiency without manual adjustment.
As shown in fig. 3, the tensioning adjusting mechanism includes a tensioning wheel 10, a roller is disposed on the tensioning wheel 10 near the rope saw 3, an annular groove for accommodating the rope saw 3 is formed in the roller, the roller is rotatably connected with the tensioning wheel 10, a linear driving mechanism is disposed on the tensioning wheel 10 far away from the rope saw 3 for adjusting the horizontal movement of the tensioning wheel 10, the monitoring mechanism includes a displacement electronic ruler 14, the displacement electronic ruler 14 is used for monitoring the displacement of the tensioning wheel 10 in real time, the linear driving mechanism can adopt a linear motor, and a cylinder and a lead screw are driven.
In another embodiment, the tensioning adjusting mechanism includes a tensioning wheel 10, a roller is disposed on the side of the tensioning wheel 10 close to the rope saw 3, an annular groove for accommodating the rope saw 3 is formed in the roller, the roller is rotatably connected to the tensioning wheel 10, a linear driving mechanism is disposed on the side of the tensioning wheel 10 away from the rope saw 3 for adjusting the horizontal movement of the tensioning wheel 10, the linear driving mechanism includes a hydraulic cylinder 13, the tensioning wheel 10 is fixedly connected to a piston rod of the hydraulic cylinder 13, the hydraulic cylinder 13 is fixedly connected to a fixed seat 11, the fixed seat 11 is fixedly connected to the cross beam 2, a cylinder body of the hydraulic cylinder 13 is communicated with the oil cylinder 8 through a connecting pipe 12, the monitoring mechanism includes a connecting pipe flow meter 121, the connecting pipe flow meter 121 is mounted on the connecting pipe 12 for monitoring the flow change of the connecting pipe 12, that is, the flow change of the connecting pipe 12 is monitored through the connecting pipe flow meter 121, and the change amount of the tensioning mechanism is realized.
Preferably, as shown in fig. 3 and 4, the cooling device further comprises a cooling mechanism, the cooling mechanism comprises a nozzle support 4, the nozzle support 4 is provided with two groups of nozzles located below the middle of the beam 2, one end of the nozzle support 4 is hinged to the bottom surface of the fixing plate 21, a rotating mechanism is arranged on the fixing plate 21 and used for driving the nozzle support 4 to rotate to adjust the spraying width of the nozzle support 4, the nozzle support 4 is connected with a water pump, the top end of the fixing plate 21 is connected with a first air cylinder 22, the adjusting nozzle moves up and down, the two groups of lengths of the nozzle support 4 are the spraying widths, cutting dust can be effectively reduced, the cooling effect can be achieved, meanwhile, the spraying range of the nozzle support 4 can be adjusted according to the specification of a cut material, waste of water resources is reduced, and the adjustment is convenient and fast.
Specifically, the driving mechanism includes a connecting rod 41, a gear 42 and a rack 43, a connecting round rod 401 and a hinge rotating shaft 402 are arranged on the top surface of the nozzle support 4, the end portion of the hinge rotating shaft 402 close to the nozzle support 4 is hinged to the fixing plate 21, the connecting round rod 401 is accommodated in a quarter arc waist-shaped groove formed in the fixing plate 21, the connecting round rod 401 is matched with a notch of the arc waist-shaped groove on the fixing plate 21, the connecting round rod 401 penetrates through the bottom plate of the fixing plate 21 and is matched with a notch of a waist-shaped hole 411 formed in one end of the connecting rod 41, the gear 42 is located at the center position of the top end of the connecting rod 41 and is fixedly connected with the connecting rod 41, one side of the rack 43 located at the gear 42 is meshed with the gear 42, one end of the rack 43 is connected with a second cylinder 44, namely, when the spraying radius is adjusted, the rack 43 is driven to horizontally move by the second cylinder 44, a driving gear 42 rotates, the connecting round rod 401 is driven by the rotation of the waist-shaped hole 411, the rotation of the spray head support 4 is further controlled, the adjustment is convenient, and the application range is wide.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", etc., indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the method is simple. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the spirit and scope of the invention, and any equivalents thereto, such as those skilled in the art, are intended to be embraced therein.
Claims (5)
1. The utility model provides a rope saw cutting machine, includes support (1) and crossbeam (2), and crossbeam (2) slide from top to bottom along support (1) is perpendicular, is equipped with stranded closed loop rope saw (3) of motion on crossbeam (2) to and be used for pulling spacing wheel of cutting (5) and action wheel (6) of direction rope saw (3), its characterized in that, arbitrary rope saw (3) one side all be equipped with tensioning adjustment mechanism, be equipped with monitoring mechanism on the tensioning adjustment mechanism, monitoring mechanism is configured and is used for monitoring tensioning adjustment mechanism's accommodate variable, feedback regulation rope saw's (3) the rate of motion and crossbeam (2) descending feed speed.
2. The rope saw cutting machine according to claim 1, characterized in that the tension adjusting mechanism comprises a tension wheel (10), a roller is arranged on the side of the tension wheel (10) close to the rope saw (3), an annular groove for accommodating the rope saw (3) is formed in the roller, the roller is rotatably connected with the tension wheel (10), a linear driving mechanism is arranged on the side of the tension wheel (10) far away from the rope saw (3) for adjusting the horizontal movement of the tension wheel (10), and the monitoring mechanism comprises a displacement electronic ruler (14), and the displacement electronic ruler (14) is used for monitoring the displacement of the tension wheel (10) in real time.
3. The rope saw cutting machine according to claim 1, characterized in that the tension adjusting mechanism comprises a tension wheel (10), a roller is arranged on the side of the tension wheel (10) close to the rope saw (3), an annular groove for accommodating the rope saw (3) is formed in the roller, the roller is rotatably connected with the tension wheel (10), and a linear driving mechanism is arranged on the side of the tension wheel (10) far away from the rope saw (3) for adjusting the tension wheel (10) to move horizontally;
the linear driving mechanism comprises a hydraulic cylinder (13), a tensioning wheel (10) is fixedly connected with a piston rod of the hydraulic cylinder (13), the hydraulic cylinder (13) is fixedly connected with a fixing seat (11), the fixing seat (11) is fixedly connected with a cross beam (2), a cylinder body of the hydraulic cylinder (13) is communicated with an oil cylinder (8) through a connecting pipe (12), the monitoring mechanism comprises a connecting pipe flowmeter (121), and the connecting pipe flowmeter (121) is installed on the connecting pipe (12) and used for monitoring the flow change of the connecting pipe (12).
4. The rope saw cutting machine according to claim 1, further comprising a cooling mechanism, wherein the cooling mechanism comprises a nozzle support (4), two groups of nozzle supports (4) are arranged below the middle of the cross beam (2), one end of each nozzle support (4) is hinged to the bottom surface of the fixing plate (21), and a rotating mechanism is arranged on each fixing plate (21) and used for driving each nozzle support (4) to rotate to adjust the spraying width of each nozzle support (4).
5. The rope saw cutting machine according to claim 4, wherein the driving mechanism comprises a connecting rod (41), a gear (42) and a rack (43), the top surface of the nozzle support (4) is provided with a connecting round rod (401) and a hinge rotating shaft (402), the end of the hinge rotating shaft (402) close to the nozzle support (4) is hinged with the fixing plate (21), the connecting round rod (401) is accommodated in a quarter arc waist-shaped groove formed in the fixing plate (21), the connecting round rod (401) is matched with an arc waist-shaped groove notch formed in the fixing plate (21), the connecting round rod (401) penetrates through a bottom plate of the fixing plate (21) and is matched with a waist-shaped hole (411) notch formed in one end of the connecting rod (41), the gear (42) is located at the center of the top end of the connecting rod (41) and is fixedly connected with the connecting rod (41), the rack (43) is located on one side of the gear (42) and is meshed with the gear (42), one end of the rack (43) is connected with a second cylinder (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110893026.3A CN113459297A (en) | 2021-08-04 | 2021-08-04 | Rope saw cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110893026.3A CN113459297A (en) | 2021-08-04 | 2021-08-04 | Rope saw cutting machine |
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| Publication Number | Publication Date |
|---|---|
| CN113459297A true CN113459297A (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110893026.3A Pending CN113459297A (en) | 2021-08-04 | 2021-08-04 | Rope saw cutting machine |
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| Country | Link |
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| CN (1) | CN113459297A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311321A (en) * | 2021-12-31 | 2022-04-12 | 烟台杰瑞石油装备技术有限公司 | Pile cutting process |
| CN114714518A (en) * | 2022-04-15 | 2022-07-08 | 乐山师范学院 | Quick cleaning energy-saving device for dangerous rock mass in geological disaster |
| CN117773229A (en) * | 2024-02-23 | 2024-03-29 | 上海宏信设备工程有限公司 | Large-scale wire saw for building engineering |
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| CN101468409A (en) * | 2007-12-24 | 2009-07-01 | 中国海洋石油总公司 | Tension device of underwater diamond rope saw |
| CN103753719A (en) * | 2014-01-21 | 2014-04-30 | 长沙通石达机械制造有限公司 | Combined wire saw |
| CN204473265U (en) * | 2015-01-23 | 2015-07-15 | 嵊泗县东升水产冷冻厂 | A kind of packaging bag heat-sealing device |
| CN206204740U (en) * | 2016-08-30 | 2017-05-31 | 北京亿赫公路养护有限责任公司 | It is easy to continuously adjust the Telescopic asphalt sprinkling wagon of spray area |
| US20180179779A1 (en) * | 2015-09-25 | 2018-06-28 | Universita' Degil Studi Di Roma "La Sapienza" | Tensairity structure with shape-memory wire ropes |
| CN108481571A (en) * | 2018-06-01 | 2018-09-04 | 福建省霞浦县众源机械有限公司 | Multigroup rope saw and its control method |
| CN113021650A (en) * | 2021-03-17 | 2021-06-25 | 华侨大学 | Rope saw mechanism and rope saw device for stone cutting |
-
2021
- 2021-08-04 CN CN202110893026.3A patent/CN113459297A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468409A (en) * | 2007-12-24 | 2009-07-01 | 中国海洋石油总公司 | Tension device of underwater diamond rope saw |
| CN103753719A (en) * | 2014-01-21 | 2014-04-30 | 长沙通石达机械制造有限公司 | Combined wire saw |
| CN204473265U (en) * | 2015-01-23 | 2015-07-15 | 嵊泗县东升水产冷冻厂 | A kind of packaging bag heat-sealing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311321A (en) * | 2021-12-31 | 2022-04-12 | 烟台杰瑞石油装备技术有限公司 | Pile cutting process |
| CN114714518A (en) * | 2022-04-15 | 2022-07-08 | 乐山师范学院 | Quick cleaning energy-saving device for dangerous rock mass in geological disaster |
| CN114714518B (en) * | 2022-04-15 | 2022-10-28 | 乐山师范学院 | Quick cleaning energy-saving device for dangerous rock mass in geological disaster |
| CN117773229A (en) * | 2024-02-23 | 2024-03-29 | 上海宏信设备工程有限公司 | Large-scale wire saw for building engineering |
| CN117773229B (en) * | 2024-02-23 | 2024-04-26 | 上海宏信设备工程有限公司 | Large-scale wire saw for building engineering |
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