Municipal engineering pipeline cutting device

Abstract

The utility model discloses a municipal engineering pipeline cutting device which comprises a V-shaped positioning block, an in-pipe cutting assembly is arranged above the V-shaped positioning block and connected with a transmission shaft, the transmission shaft is in transmission connection with a motor, the transmission shaft is rotationally connected to a vertical positioning plate, and the vertical positioning plate is provided with a cutting groove. The positioning V-shaped block and the positioning vertical plate are both installed on a bottom plate, movable shield assemblies are arranged on the two sides of the in-pipe cutting assembly, and clamping assemblies are installed on the inner walls of the movable shield assemblies; the pipeline cutting device has the advantages that a traditional external pipeline cutting mode is subverted, the inside-pipe cutting assembly is designed to cut the inside of a pipeline, less sparks splash outwards during cutting, meanwhile, the pneumatic movable shield assembly is designed, the sparks are prevented from splashing outwards more thoroughly, personal injuries of operators are avoided, the workshop environment is remarkably improved, and the service life of the pipeline is prolonged. The device is worthy of wide-range popularization and application.

Description

Technical field:

[0001] The utility model relates to the technical field of isolation fences, in particular to a municipal engineering pipeline cutting device. Background technology:

[0002] Municipal engineering pipelines include domestic water pipelines, sewage pipelines, gas pipelines, thermal pipelines, etc. During the pipeline construction process, a large number of pipeline cutting operations are inevitably involved. The existing pipeline cutting operations either use large-scale cutting equipment or handheld cutting equipment. However, no matter which cutting tool is used, a large number of sparks will be generated during the cutting operation, which can easily cause harm to the operators. Statistical sparks fly everywhere, polluting the workshop environment, which needs to be improved urgently. Utility model content:

[0003] The utility model aims to provide a municipal engineering pipeline cutting device to solve the technical problems in the prior art of sparks flying when municipal engineering pipelines are cut, which easily causes workshop environment pollution and personal injury.

[0004] The content of the utility model: A municipal engineering pipeline cutting device, which includes a positioning V-block, an in-pipe cutting assembly is arranged above the positioning V-block, the in-pipe cutting assembly is connected to a transmission shaft, the transmission shaft is transmission-connected to a motor, the transmission shaft is rotatably connected to a positioning vertical plate, the positioning V-block and the positioning vertical plate are both installed on a bottom plate, movable shield assemblies are arranged on both sides of the in-pipe cutting assembly, and a clamping assembly is installed on the inner wall of the movable shield assembly.

[0005] Furthermore, the in-tube cutting assembly includes a cutter disc, a plurality of slide grooves are evenly distributed on the outer edge of the cutter disc, a serrated piece is slidably connected in the slide groove, a limiting plate is connected to the serrated piece, a limiting groove is provided on the cutter disc, the limiting plate slides in the limiting groove, a first compression spring is installed in the limiting groove, and the first compression spring provides an inward elastic force to the limiting plate.

[0006] Furthermore, the movable shield assembly includes a shield with a semicircular cross-section, a slider is installed at the bottom of the shield, a slide rail is arranged on the base plate, the slider is slidably connected to the slide rail, the shield is connected to the piston rod of the cylinder, and the cylinder is fixedly mounted on the frame.

[0007] Furthermore, the clamping assembly includes a clamping V-block, a second compression spring is mounted on the clamping V-block, and the other end of the second compression spring is mounted on the inner wall of the shield.

[0008] Furthermore, a positioning ring groove is provided on the positioning vertical plate.

[0009] Furthermore, a magnet ring is installed in the positioning ring groove, and the magnet ring is used for magnetically adsorbing the pipe to be cut.

[0010] The beneficial effects of the utility model: the utility model subverts the traditional external pipe cutting mode, designs an internal pipe cutting component to perform internal cutting of the pipe, and less sparks fly outward during cutting. At the same time, a pneumatic mobile shield component is designed to more thoroughly isolate sparks from flying outward, avoid personal injury to operators, and significantly improve the workshop environment. It is worthy of large-scale promotion and use. Description of the drawings:

[0011] Figure 1 It is a three-dimensional diagram of the utility model;

[0012] Figure 2 It is the front view of the utility model;

[0013] Figure 3 for Figure 2 Section view along AA;

[0014] Figure 4 for Figure 3 A schematic diagram of the enlarged structure of part B;

[0015] In the figure, a base plate 1, a positioning vertical plate 2, an in-pipe cutting assembly 3, a shield 4, a positioning V-block 5, a clamping V-block 6, a slide rail 7, a slider 8, a cylinder 9, a first compression spring 10, a cutter disc 11, a slide groove 12, a serrated piece 13, a second compression spring 14, a limit plate 15, a limit groove 16, a magnet ring 17, and a pipe to be cut 18. Specific implementation method:

[0016] like Figure 1 and Figure 2 As shown, a municipal engineering pipeline cutting device includes a positioning V-block 5, above which an in-pipe cutting assembly 3 is arranged, the in-pipe cutting assembly 3 is connected to a transmission shaft, the transmission shaft is transmission-connected to a motor, the transmission shaft is rotatably connected to a positioning vertical plate 2, the positioning V-block 5 and the positioning vertical plate 2 are both mounted on a base plate 1, movable shield assemblies are arranged on both sides of the in-pipe cutting assembly 3, and a clamping assembly is installed on the inner wall of the movable shield assembly.

[0017] like Figure 4 As shown, the in-tube cutting assembly 3 includes a cutter disc 11, and a plurality of slide grooves 12 are evenly distributed on the outer edge of the cutter disc 11. A serrated piece 13 is slidably connected in the slide groove 12, and a limiting plate 15 is connected to the serrated piece 13. A limiting groove 16 is provided on the cutter disc 11, and the limiting plate 15 slides in the limiting groove 16. A first compression spring 10 is installed in the limiting groove 16, and the first compression spring 10 provides an inward elastic force to the limiting plate 15.

[0018] like Figure 1 As shown, the movable shield assembly includes a shield 4 with a semicircular cross-section, a slider 8 is installed at the bottom of the shield 4, a slide rail 7 is arranged on the base plate 1, the slider 8 is slidably connected to the slide rail 7, the shield 4 is connected to the piston rod of the cylinder 9, and the cylinder 9 is fixedly installed on the frame. During operation, the two semicircular shields 4 are buckled together to form a cylindrical shape to block sparks.

[0019] like Figure 2 As shown, the clamping assembly includes a clamping V-block 6, on which a second compression spring 14 is installed, and the other end of the second compression spring 14 is installed on the inner wall of the shield 4. The clamping V-block 6 is used to elastically clamp the pipe 18 to be cut.

[0020] In order to improve the stability of the clamping of the pipe 18 to be cut, Figure 3 As shown, a positioning ring groove is provided on the positioning vertical plate 2; a magnet ring 17 is installed in the positioning ring groove, and the magnet ring 17 is used for magnetically adsorbing the pipe 18 to be cut.

[0021] During the specific operation, the pipe 18 to be cut is placed on the positioning V-block 5 for preliminary positioning, and then the pipe 18 to be cut is pushed to be adsorbed on the magnet ring 17 for preliminary fixation. At this time, the in-pipe cutting component 3 is located in the pipe 18 to be cut, and then the cylinder 9 is started to make the two semicircular shields 4 snap together to form a cylindrical shape to block sparks, and then the motor is started to make the in-pipe cutting component 3 rotate at high speed. At this time, due to the action of centrifugal force, the sawtooth piece 13 extends outward to cut the pipe 18 to be cut. After cutting, the motor stops, the sawtooth piece 13 retracts, and the cutting is completed.

[0022] The above are only preferred examples of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A municipal engineering pipeline cutting device, characterized in that: The invention comprises a positioning V-block (5), an in-pipe cutting assembly (3) is arranged above the positioning V-block (5), the in-pipe cutting assembly (3) is connected to a transmission shaft, the transmission shaft is transmission-connected to a motor, the transmission shaft is rotatably connected to a positioning vertical plate (2), the positioning V-block (5) and the positioning vertical plate (2) are both mounted on a bottom plate (1), movable shield assemblies are arranged on both sides of the in-pipe cutting assembly (3), and a clamping assembly is mounted on the inner wall of the movable shield assembly.

2. A municipal engineering pipeline cutting device according to claim 1, characterized in that: The in-pipe cutting assembly (3) comprises a cutter disc (11), a plurality of sliding grooves (12) are evenly distributed on the outer edge of the cutter disc (11), a sawtooth piece (13) is slidably connected in the sliding groove (12), a limiting plate (15) is connected to the sawtooth piece (13), a limiting groove (16) is provided on the cutter disc (11), the limiting plate (15) slides in the limiting groove (16), a first compression spring (10) is installed in the limiting groove (16), and the first compression spring (10) provides an inward elastic force to the limiting plate (15).

3. A municipal engineering pipeline cutting device according to claim 1, characterized in that: The movable shield assembly comprises a shield (4) with a semicircular cross section, a slider (8) is installed at the bottom of the shield (4), a slide rail (7) is arranged on the base plate (1), the slider (8) is slidably connected to the slide rail (7), the shield (4) is connected to the piston rod of a cylinder (9), and the cylinder (9) is fixedly installed on a frame.

4. A municipal engineering pipeline cutting device according to claim 3, characterized in that: The clamping assembly comprises a clamping V-block (6), a second compression spring (14) is mounted on the clamping V-block (6), and the other end of the second compression spring (14) is mounted on the inner wall of the protective cover (4).

5. A municipal engineering pipeline cutting device according to any one of claims 1 to 4, characterized in that: A positioning ring groove is provided on the positioning vertical plate (2).

6. A municipal engineering pipeline cutting device according to claim 5, characterized in that: A magnet ring (17) is installed in the positioning ring groove, and the magnet ring (17) is used for magnetically adsorbing the pipe (18) to be cut.

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