Underwater diamond fretsaw cutting machine
By designing an underwater diamond wire saw cutting machine, using chain transmission and screw-driven diamond wires for cutting, the problem of difficulty in cutting when the subsea pipeline is damaged is solved, and rapid and effective subsea pipeline cutting is achieved.
Patent Information
- Application Number
- CN202420882273.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-04-25
AI Technical Summary
When the subsea pipeline is damaged, it needs to be cut and repaired, but due to the special working environment of the seabed, it is difficult to effectively cut in the existing technology.
An underwater diamond wire saw cutting machine is designed, including a main body bracket, a drive device, a clamping device, a moving plate, a screw, a sprocket and a diamond wire. Through chain transmission and screw drive, the high-speed rotation and cutting of the diamond wire is achieved.
The equipment can quickly and effectively cut subsea pipelines in an underwater environment. It is suitable for cutting operations of single-layer and double-layer pipelines, meeting the cutting needs of subsea pipelines.
Smart Images
Figure CN222874160U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a diamond wire saw cutting machine, in particular to an underwater diamond wire saw cutting machine. Background Art
[0002] At present, diamond wire saw is one of the most advanced equipment for stone mining. After more than 20 years of research, development and improvement, it has been widely used in the stone industry, machinery industry and construction field. With the progress of foreign research on diamond wire saw cutting steel parts, it is also used in special fields such as maintenance of submarine components and dismantling of nuclear power plants. Submarine pipelines are the main production facilities for offshore oil and gas field development, production and oil and gas export. Pipeline transportation is the most important, fastest, economical and reliable way of oil and gas transportation.
[0003] With the rapid and efficient development of my country's offshore oil industry, the number of newly developed offshore oil and gas fields has increased year by year. At present, the total length of submarine pipelines laid by China National Offshore Oil Corporation has exceeded 2,000 km. Due to various reasons, submarine pipelines are prone to damage in various forms. In view of the need to cut off the pipeline during the maintenance of submarine pipelines, an underwater diamond wire saw cutting machine has been developed. In the underwater operation environment and the special structure of the submarine pipeline, this cutting machine has many advantages compared with other cutting methods. Utility Model Content
[0004] The utility model solves the various damage forms of existing submarine pipelines, which need to be cut and repaired. Due to the special working environment of the seabed, a diamond wire saw cutting machine capable of cutting pipelines underwater is developed.
[0005] The utility model discloses an underwater diamond wire saw cutting machine comprising a main body support (1), a driving device (2), a clamping device (3), a moving plate (4), a screw rod (5), a driving sprocket (6), a driven sprocket (7), a chain (8), a slide rail (9), a slide rail sleeve (10), a screw rod nut (11), a wire rope wheel (12) and a diamond wire (13). The main support (1) comprises an upper mounting plate (22), a lower mounting plate (21), a stud (24), and a drive mounting plate (23); the drive device (2) is fixedly connected to the drive mounting plate (23) by bolts; the stud (24) is placed between the upper mounting plate (22) and the lower mounting plate (21); the drive mounting plate (23) is placed on one side of the upper mounting plate (22); the movable plate (4) is placed on the upper mounting plate (22); the slide rail (9) is fixedly connected to the upper mounting plate (22); the clamping device (3) comprises a clamping arm (26), a clamping roller (25), a clamping block (27) and a drive cylinder (28); the clamping device (3) is arranged at the front end of the main support (1), and connected by a pin shaft; the screw nut (11) is fixedly connected to the movable plate (4); the driving device (2) is fixedly connected to the active sprocket (6); one end of the screw rod (5) is fixedly connected to the driven sprocket (7); the wire rope pulley (12) is arranged on the movable plate (4) and distributed around; the diamond wire (13) is placed on the wire rope pulley (12); the slide rail sleeve (10) is fixedly connected to the movable plate (4); two groups of the clamping blocks (27) are arranged and placed at the front end of the main support (1); the screw nut (11) is placed on the screw rod (5); the chain (8) is transmission-connected to the active sprocket (6); the chain (8) is transmission-connected to the driven sprocket (7).
[0006] Preferably, the two groups of clamping blocks (27) are arranged in a V-shape and fixed to the front end of the main frame (1).
[0007] Preferably, the driving device (2) and the screw rod (5) are connected in transmission via the chain (8).
[0008] Preferably, five wire rope wheels (12) are provided, one of which is provided with a tensioning adjustment device.
[0009] The practical underwater diamond wire saw cutting machine has a simple structure, can well adapt to the underwater working environment, can meet the cutting operations of single-layer and double-layer submarine pipelines, and can perform fast and effective cutting tasks;
[0010] Although the present invention has been disclosed in terms of preferred embodiments, they are not intended to limit the present invention. Any person skilled in the art may make some modifications and improvements without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be based on the definition of the claims. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic diagram of the structure of the utility model. Figure 2 It is an overall axonometric view of the utility model.
[0012] The components or parts indicated by the numbers in the figure are: 1 main body bracket, 2 driving device, 3 clamping device, 4 moving plate, 5 screw rod, 6 driving sprocket, 7 driven sprocket, 8 chain, 9 slide rail, 10 slide rail sleeve, 11 screw rod nut, 12 wire rope pulley, 13 diamond wire, 21 lower mounting plate, 22 upper mounting plate, 23 driving mounting plate, 24 stud, 25 clamping roller, 26 clamping arm, 27 clamping block, 28 driving cylinder. DETAILED DESCRIPTION
[0013] Specific implementation method: Combination Figure 1 and Figure 2 This embodiment will be described.
[0014] like Figure 1As shown, this embodiment includes a main support (1), a driving device (2), a clamping device (3), a movable plate (4), a screw (5), a driving sprocket (6), a driven sprocket (7), a chain (8), a slide rail (9), a slide rail sleeve (10), a screw nut (11), a wire rope pulley (12) and a diamond wire (13); the main support (1) includes an upper mounting plate (22), a lower mounting plate (21), a stud (24) and a driving mounting plate (23); the clamping device (3) includes a clamping arm (26), a clamping roller (25), a clamping block (27) and a driving cylinder (28); the slide rail sleeve (10) and the screw nut (11) are fixed to the lower end of the movable plate (4) by bolts, the slide rail (9) is placed on both sides of the upper mounting plate (22), the slide rail sleeve (10) and the screw nut (11) are connected to the slide rail (9) and the screw rod (5) respectively; by rotating the screw rod (5), the moving plate (4) realizes forward and backward reciprocating motion; two groups of clamping arms (26) are arranged, which are placed at the front end of the main support (1) and connected to the main support (1) through a pin shaft, and an oil cylinder is arranged inside, and the angle of the clamping arm (26) is controlled by the oil cylinder to clamp the water pipe; the diamond wire (13) is connected to the wire rope wheel (12) in a transmission manner, and one group of the wire rope wheels (12) is provided with a tensioning device, and the diamond wire (13) is tightened by adjustment to facilitate transmission; the screw rod (5) is placed in the middle of the main support (1), one end of which is fixedly connected to the driven sprocket (7), and the output end of the driving device (2) is fixedly connected to the driving sprocket (6), and the driven sprocket (7) and the driving sprocket (6) are connected in a transmission manner through a chain (8).
[0015] like Figure 1 As shown, two groups of clamping blocks (27) are arranged in a V shape and fixedly connected to the front end of the main frame (1).
[0016] When in use, the front end of the underwater diamond wire saw cutting machine is brought close to the pipe to be cut, the oil cylinder is operated so that the clamping arm (26) fixes the pipe, the wire rope driving motor is started so that the diamond wire (13) moves at high speed around the wire rope wheel (12), the driving device (2) is started, and the lead screw begins to rotate under the drive of the chain (8). Since the lead screw nut (11) is fixedly connected to the moving plate (4), the moving plate moves forward with the rotation of the lead screw (5), and the diamond wire (13) gradually contacts the pipe, thereby performing the cutting operation.
[0017] The utility model underwater diamond wire saw cutting machine has a simple structure, can well adapt to the underwater working environment, can meet the cutting operation of submarine pipelines, and can perform fast and effective cutting tasks.
Claims
1. An underwater diamond wire saw cutting machine, characterized in that: The underwater diamond wire saw cutting machine comprises a main frame (1), a driving device (2), a clamping device (3), a movable plate (4), a screw (5), a driving sprocket (6), a driven sprocket (7), a chain (8), a slide rail (9), a slide rail sleeve (10), a screw nut (11), a wire rope pulley (12) and a diamond wire (13); the main frame (1) comprises an upper mounting plate (22), a lower mounting plate (21), a stud (24) and a driving mounting plate (23); the driving device (2) is fixedly connected to the driving mounting plate (23) by bolts; the stud (24) is arranged between the upper mounting plate (22) and the lower mounting plate (21); the driving mounting plate (23) is arranged on one side of the upper mounting plate (22); the movable plate (4) is arranged on the upper mounting plate (22); the slide rail (9) is fixedly connected to the upper mounting plate (22); the clamping device (3) comprises a clamping arm (26), a clamping roller (25), a clamping block (27) and a driving cylinder (28); the clamping device (3) is arranged at the front end of the main support (1) and is connected by a pin shaft; the screw nut (11) is fixedly connected to the movable plate (4); the driving device (2) is fixedly connected to the active sprocket (6); one end of the screw rod (5) is fixedly connected to the driven sprocket (7); the wire rope pulley (12) is arranged on the movable plate (4) and is distributed around; the diamond wire (13) is placed on the wire rope pulley (12); the slide rail sleeve (10) is fixedly connected to the movable plate (4); the clamping block (27) is arranged in two groups and is placed at the front end of the main support (1); the screw nut (11) is placed on the screw rod (5); the chain (8) is transmission-connected to the active sprocket (6); the chain (8) is transmission-connected to the driven sprocket (7).
2. The underwater diamond wire saw cutting machine according to claim 1, characterized in that: The two groups of clamping blocks (27) are arranged in a V shape and fixedly connected to the front end of the main frame (1).
3. The underwater diamond wire saw cutting machine according to claim 1, characterized in that: The driving device (2) and the screw rod (5) are connected to each other via the chain (8).
4. The underwater diamond wire saw cutting machine according to claim 1, characterized in that: Five wire rope wheels (12) are provided, one of which is provided with a tensioning adjustment device.