CN219542835U - Cutting auxiliary device in pipeline - Google Patents

Abstract

The utility model provides an interior cutting auxiliary device of pipeline, relates to water cutting technical field, including gas spring group, connecting rod, action bars, gas spring group is including being no less than 3 with the connecting rod central line as the gas spring of axle center evenly around distribution, gas spring's cylinder body respectively with connecting rod fixed connection, the one end of connecting rod is coaxial and rotationally connected with the one end of action bars, radially be fixed with sleeve pipe A on the action bars, clearance fit has inserted bar A in the sleeve pipe A, be equipped with on sleeve pipe A's the pipe wall and be used for fastening inserted bar A at sleeve pipe A's fastening bolt A, be fixed with water cutting spray gun fixed part on the inserted bar A, this kind of interior cutting auxiliary device of pipeline can assist the water cutting machine to cut the pipeline from the pipeline inside and can cut out smooth section.

Description

Cutting auxiliary device in pipeline

Technical Field

The utility model relates to the technical field of water cutting, in particular to an in-pipeline cutting auxiliary device.

Background

The water cutting is also called water jet cutting or water knife cutting, and is divided into pure water cutting and abrasive water cutting, and is a special processing method. The water cutting machine is a special device for water cutting operation, which uses a water pump on a host machine to pressurize water, the water obtains pressure energy, and then the pressure energy is sprayed from a tiny nozzle of a spray gun (abrasive water is mixed into the abrasive water before the pressurized water is sprayed from the nozzle of the spray gun), and the pressure energy is converted into kinetic energy, so that high-speed jet flow is formed. The cutting utilizes the impact damage action of the kinetic energy of the high-speed jet flow to the workpiece, thereby achieving the purposes of cutting and forming.

When the water cutting process is used for cutting the pipeline, if the water cutting is carried out by adopting a traditional manual handheld spray gun, the following problems often exist: firstly, the spray gun is difficult to control manually to cut a flat section, and secondly, objects are shielded outside the pipeline sometimes, so that water cutting construction is hindered. In the prior art, a special device capable of assisting a water cutting machine to smoothly cut a pipeline conveniently is lacking.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an in-pipeline cutting auxiliary device which can assist a water cutting machine to cut a pipeline from the inside of the pipeline and can cut a flat section.

The utility model is realized by the following technical scheme:

the utility model provides an interior cutting auxiliary device of pipeline, its characterized in that includes gas spring group, connecting rod, action bars, gas spring group is including being no less than 3 with the even gas spring who encircles the distribution of connecting rod central line as the axle center, gas spring's cylinder body is respectively with connecting rod fixed connection, the one end of connecting rod is coaxial and rotationally connected with the one end of action bars, radially be fixed with sleeve pipe A on the action bars, clearance fit has inserted bar A in the sleeve pipe A, be equipped with on sleeve pipe A's the pipe wall and be used for fastening inserted bar A in sleeve pipe A's fastening bolt A, be fixed with water cutting spray gun fixed part on the inserted bar A.

In another aspect of the utility model, a supporting foot is fixed at the end of the piston rod of the gas spring.

In another aspect of the utility model, the front end and the rear end of the side, facing away from the gas spring, of the supporting leg are respectively arc-shaped surfaces or inclined surfaces.

In another aspect of the present utility model, the operating lever includes a sleeve B on which a fastening bolt B for fastening the insert B in the sleeve B is fitted, and an insert B clearance-fitted in the sleeve B.

In another aspect of the utility model, the outer end fixing tube of the insert rod B is provided with a disc, and a handle is fixed at the edge of the side of the disc facing away from the insert rod B.

In another aspect of the present utility model, one end of the connecting rod is rotatably connected to one end of the operating rod through a bearing.

In another aspect of the utility model, the water cutting spray gun fixing part comprises a short pipe fixedly connected to the inserting rod A, the inner wall of the short pipe is in clearance fit with the water cutting spray gun to be assembled, and a fastening bolt C for fastening the water cutting spray gun in the short pipe is assembled on the pipe wall of the short pipe.

The beneficial effects of the utility model are as follows: the in-pipeline cutting auxiliary device can be fixed in the pipeline through the gas spring set after extending into the pipeline, and the operating rod can be manually rotated to drive the water cutting spray gun which is pre-assembled on the in-pipeline cutting auxiliary device to perform circular motion, so that the pipeline can be subjected to water cutting from the inside of the pipeline and a flat section can be cut. The operation process is convenient and easy.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present utility model.

In the accompanying drawings: 1. the device comprises a handle, 2, a disc, 3, inserted bars B,4, fastening bolts B,5, sleeves B,6, sleeves A,7, fastening bolts A,8, fastening bolts C,9, short pipes, 10, supporting feet, 11, inserted bars A,12, gas springs, 13 and connecting rods.

Detailed Description

Embodiments of the present utility model will be further described with reference to the accompanying drawings and examples:

in the description of the present utility model, it should be understood that the description of indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

The utility model provides a cutting auxiliary device in pipeline, includes gas spring group, connecting rod 13, action bars, gas spring group is including being no less than 3 with the even gas spring 12 that encircles the distribution of connecting rod central line as the axle center, and the quantity of gas spring is 3 in this embodiment, and gas spring type is like the gas spring of GSV1000-125 model of blue sen science and technology company, the cylinder body of gas spring respectively with connecting rod 13 welded fastening, the one end of connecting rod is coaxial and rotatable with the one end of action bars is connected, in this embodiment, the one end of connecting rod is rotatably connected through the bearing with the one end of action bars, radial welded fastening has sleeve pipe A6 on the action bars, clearance fit has inserted bar A11 in the sleeve pipe A6, be equipped with the fastening bolt A7 that is used for fastening inserted bar A in sleeve pipe A on the pipe wall of sleeve pipe A, the screw thread fit of fastening bolt A7 is on inserted bar A11 and pass sleeve pipe A's pipe wall top in order to fasten inserted bar A11 in sleeve pipe A, welded fastening has water cutting spray gun fixed part on the inserted bar A. The tail end of the piston rod of the gas spring is fixedly welded with a supporting leg 10. In this embodiment, the front and rear ends of the side of the supporting leg 10 facing away from the gas spring are respectively arc-shaped surfaces or inclined surfaces. In this embodiment, the operating rod includes a sleeve B5 and a plug rod B3 that is clearance-fitted in the sleeve B5, a fastening bolt B4 for fastening the plug rod B3 in the sleeve B is assembled on the sleeve B, and a screw of the fastening bolt B4 is screwed on a pipe wall of the sleeve B and abuts against the plug rod B3 through the pipe wall of the sleeve B to fasten the plug rod B in the sleeve B. In this embodiment, the outer end welding fixed tube of inserted bar B has disc 2, the edge welding fixed handle 1 of disc 2 one side of inserted bar B dorsad. The water cutting spray gun fixing part comprises a short pipe 9 fixed on the inserting rod A in a welding mode, the inner wall of the short pipe 9 is in clearance fit with the water cutting spray gun to be assembled, a fastening bolt C8 used for fastening the water cutting spray gun in the short pipe is assembled on the pipe wall of the short pipe, and a screw thread of the fastening bolt C8 is matched on the pipe wall of the short pipe and penetrates through the pipe wall of the short pipe to prop against the water cutting spray gun so as to fasten the water cutting spray gun in the short pipe.

When the pipeline cutting auxiliary device is used, the water cutting spray gun of the water cutting machine is inserted into the short pipe of the water cutting spray gun fixing part on the pipeline cutting auxiliary device and is fastened through the fastening bolt C, the handheld operating rod sends the pipeline cutting auxiliary device into the pipeline and enables the water cutting spray gun to face to a position needing cutting in the pipeline, and under the pressure action of the three gas springs, the supporting feet are propped against the inner wall of the pipeline so that the pipeline cutting auxiliary device is kept fixed in the pipeline. The water cutting machine is started, the operating rod is manually rotated, and the water cutting spray gun can be driven to perform circular motion, so that the pipeline can be subjected to water cutting from the inside of the pipeline, and a flat section can be cut.

The arrangement of the supporting legs enables the auxiliary device for cutting in the pipeline to be kept fixed in the pipeline relatively steadily, and the arrangement that the front end and the rear end of one side of the supporting legs, which is opposite to the gas spring, are respectively arc-shaped surfaces or inclined surfaces enables the supporting legs not to be blocked due to protruding structures or protruding objects on the inner wall of the pipeline when the supporting legs enter and exit along the inner wall of the pipeline, so that the supporting legs can enter and exit freely in the pipeline. The cooperation of nozzle stub and fastening bolt C has made things convenient for the fixed of water cutting spray gun, and the distance of water cutting spray gun and pipeline inner wall fixed in nozzle stub can be adjusted to the position of adjustment inserted bar A in sleeve pipe A, also makes this kind of pipeline interior cutting auxiliary device can be applicable to the pipeline of different internal diameters. The length of the operating rod can be adjusted by adjusting the position of the inserting rod B in the sleeve B, so that the operating rod can have a larger length to feed the water cutting spray gun into a deeper position, and the operating rod can be contracted when not in use, so that the water cutting spray gun is convenient to store and transfer.

In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.

Claims (7)

1. The utility model provides an interior cutting auxiliary device of pipeline, its characterized in that includes gas spring group, connecting rod, action bars, gas spring group is including being no less than 3 with the even gas spring who encircles the distribution of connecting rod central line as the axle center, gas spring's cylinder body is respectively with connecting rod fixed connection, the one end of connecting rod is coaxial and rotationally connected with the one end of action bars, radially be fixed with sleeve pipe A on the action bars, clearance fit has inserted bar A in the sleeve pipe A, be equipped with on sleeve pipe A's the pipe wall and be used for fastening inserted bar A in sleeve pipe A's fastening bolt A, be fixed with water cutting spray gun fixed part on the inserted bar A.

2. An in-line cutting assistance device according to claim 1, wherein the end of the piston rod of the gas spring is fixed with a support foot.

3. The in-pipeline cutting auxiliary device according to claim 2, wherein the front end and the rear end of the side, facing away from the gas spring, of the supporting leg are respectively arc-shaped surfaces or inclined surfaces.

4. An in-line cutting aid according to claim 1, characterized in that the operating rod comprises a sleeve B and a plug rod B which is clearance-fitted in the sleeve B, on which sleeve B a fastening bolt B for fastening the plug rod B in the sleeve B is fitted.

5. The in-line cutting assistance device according to claim 4, wherein the outer end fixing tube of the insert rod B has a disc, and a handle is fixed to an edge of the disc facing away from the side of the insert rod B.

6. An in-line cutting assistance device according to claim 1, characterised in that one end of the connecting rod is rotatably connected to one end of the operating rod by means of a bearing.

7. An in-line cutting assistance apparatus according to claim 1, wherein the water cutting torch fixing part comprises a short tube fixedly connected to the insert rod a, the inner wall of the short tube is in clearance fit with the water cutting torch to be assembled, and a fastening bolt C for fastening the water cutting torch in the short tube is assembled on the tube wall of the short tube.