CN219818679U - Underground pipeline cutting tool - Google Patents

Abstract

The utility model discloses an underground pipeline cutting tool in the field of cutting equipment, wherein a first groove is formed in the bottom of a fixing device, a driving unit in the first groove is fixedly connected with a first motor, one end of the first motor, which is far away from the fixing device, is fixedly connected with a transmission column, power is output to a screw sleeve through a second motor, so that the second motor transmits power to the screw sleeve, the screw sleeve is driven to rotate, the angle of a grinding head is adjusted, the screw sleeve is in threaded connection with the screw column, so that the screw sleeve drives the screw column to lift and move when rotating, the rack column is in meshed connection with the grinding head, so that the rack column is driven to lift and move, the rack column is in angular movement, and the spring is in fixed connection with the grinding head through the arrangement of movable connection of the first connection column and the grinding head, so that the grinding head is fixed in the transmission column through the first connection column.

Description

Underground pipeline cutting tool

Technical Field

The utility model relates to the field of cutting equipment, in particular to an underground pipeline cutting tool.

Background

The well repairing operation comprises repairing the oil well casing, the casing is a necessary condition for ensuring normal production of the oil and gas well, and the casing damage frequently occurs due to various reasons, so that the repairing of the oil well casing is one of main tasks of a major repair work team, workers can rust or other reasons for a long time in the process of repairing the underground casing, the casing can not be taken out smoothly due to the fact that the casing is possibly rusted or other reasons, the repairing work progress of the casing can be seriously affected if the casing is not processed in time, and the underground cutter with the built-in array grinding head is designed for improving the construction efficiency, so that the casing clamping part is cut off.

Disclosure of Invention

The utility model aims to provide an underground pipeline cutting tool, which aims to solve the problems that in the process of repairing underground sleeves by the workers, the sleeves possibly rust or are possibly blocked by other reasons due to long-time untreated sleeves, the sleeve repairing work progress is seriously affected if the sleeve is not treated in time, and the underground cutter with an array grinding head is designed for improving the construction efficiency, so that the sleeve blocking part is cut.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pipeline cutting tool in pit, includes fixing device, first recess has been seted up to fixing device bottom, drive unit fixedly connected with first motor in the first recess, the one end output unit fixedly connected with transmission post of fixing device is kept away from to first motor, transmission post middle part is provided with the swivel nut.

As a further scheme of the utility model: the transmission post sets up the second recess of having seted up in the position of mutual matching with the swivel nut, the inside drive unit fixedly connected with second motor of second recess, the one end output unit and the swivel nut fixed connection of transmission post are kept away from to the second motor, output power to the setting of swivel nut through the second motor to the second motor transmission power is to the swivel nut, drives the swivel nut and rotates, adjusts grinding head angle.

As still further aspects of the utility model: the screw sleeve is characterized in that a threaded column is arranged at one end, far away from the transmission column, of the screw sleeve, the threaded column is in threaded connection with the screw sleeve, a rack column is fixedly connected with one end, far away from the screw sleeve, of the threaded column, and the threaded column is driven to lift and move when the screw sleeve rotates through the arrangement of the screw sleeve and the threaded column in threaded connection.

As still further aspects of the utility model: the rack post all is provided with the grinding head around keeping away from each other, four the grinding head all is connected with the rack post meshing, four the one end that the grinding head is close to the rack post all runs through and has offered the through-hole, through the setting of rack post and grinding head meshing connection to when the rack post goes up and down to remove, drive the grinding head and carry out the angle and remove.

As still further aspects of the utility model: the one end fixedly connected with second spliced pole of screw thread post is kept away from to the rack post, the one end fixedly connected with spring of rack post is kept away from to the second spliced pole, the one end and the transmission post fixed connection of second spliced pole are kept away from to the spring, through the setting of spring and second spliced pole fixed connection to the spring provides power balance to the rack post.

As still further aspects of the utility model: the one end fixedly connected with drill bit that fixing device was kept away from to the transmission post, the transmission post outer wall middle part is kept away from each other all around having offered the third recess, four the equal fixedly connected with first spliced pole in lateral wall middle part that the third recess is close to each other, four first spliced pole all with grinding head swing joint, through the setting of first spliced pole with grinding head swing joint to first spliced pole is fixed the grinding head in the transmission post.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the second motor outputs power to the screw sleeve, so that the second motor transmits power to the screw sleeve, the screw sleeve is driven to rotate, the angle of the grinding head is adjusted, the screw sleeve is in threaded connection with the threaded column, so that the threaded column is driven to move up and down when the screw sleeve rotates, the rack column is in meshed connection with the grinding head, so that the rack column is driven to move up and down, the grinding head is driven to move in angle, the spring is fixedly connected with the second connecting column, so that the spring provides power balance for the rack column, and the first connecting column is movably connected with the grinding head, so that the grinding head is fixed in the transmission column by the first connecting column.

Drawings

FIG. 1 is a schematic diagram of the connection of a main device structure of the present utility model;

FIG. 2 is a schematic diagram showing the structural separation of a main device according to the present utility model;

FIG. 3 is a schematic diagram showing the structure of a transmission column according to the present utility model;

FIG. 4 is a schematic diagram showing the power structure of the array grinding head according to the present utility model.

In the figure: 1. a fixing device; 110. a first groove; 111. a first motor; 2. a drive column; 210. a second groove; 211. a second motor; 212. a first connection post; 213. a third groove; 3. a screw sleeve; 310. a threaded column; 4. a rack column; 5. a grinding head; 510. a through hole; 6. a second connection post; 7. a spring; 8. a drill bit.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in an embodiment of the present utility model, an underground pipe cutting tool includes a fixing device 1, a first groove 110 is formed at the bottom of the fixing device 1, a driving unit in the first groove 110 is fixedly connected with a first motor 111, an output unit at one end of the first motor 111 far away from the fixing device 1 is fixedly connected with a transmission column 2, and a screw sleeve 3 is arranged in the middle of the transmission column 2; the transmission column 2 and the screw sleeve 3 are provided with a second groove 210 at the position matched with each other, a driving unit in the second groove 210 is fixedly connected with a second motor 211, an output unit at one end of the second motor 211 far away from the transmission column 2 is fixedly connected with the screw sleeve 3, and power is output to the screw sleeve 3 through the second motor 211 so that the second motor 211 transmits power to the screw sleeve 3 to drive the screw sleeve 3 to rotate, and the angle of the grinding head 5 is adjusted; the screw sleeve 3 is provided with a threaded column 310 at one end far away from the transmission column 2, the threaded column 310 is in threaded connection with the screw sleeve 3, a rack column 4 is fixedly connected to one end of the threaded column 310 far away from the screw sleeve 3, and the threaded column 310 is driven to lift and move by the arrangement of the threaded sleeve 3 in threaded connection with the threaded column 310 when the screw sleeve 3 rotates; the four grinding heads 5 are in meshed connection with the rack column 4, one ends of the four grinding heads 5, which are close to the rack column 4, are provided with through holes 510 in a penetrating mode, and the grinding heads 5 are driven to perform angular movement through the arrangement of the rack column 4 in meshed connection with the grinding heads 5 when the rack column 4 performs lifting movement; one end of the rack column 4 far away from the threaded column 310 is fixedly connected with a second connecting column 6, one end of the second connecting column 6 far away from the rack column 4 is fixedly connected with a spring 7, one end of the spring 7 far away from the second connecting column 6 is fixedly connected with the transmission column 2, and the arrangement of the spring 7 and the second connecting column 6 is fixedly connected so that the spring 7 provides power balance for the rack column 4; one end fixedly connected with drill bit 8 that fixing device 1 was kept away from to drive post 2, drive post 2 outer wall middle part all offered the third recess 213 all around that keep away from each other, and the lateral wall middle part that four third recesses 213 are close to each other is the first spliced pole 212 of fixedly connected with, and four first spliced poles 212 all with grinding head 5 swing joint, through the setting of first spliced pole 212 with grinding head 5 swing joint to first spliced pole 212 is fixed grinding head 5 in drive post 2.

The working principle of the utility model is as follows: when the device is used, the device is placed at a proper position, the first motor 111 is started, power is transmitted to the transmission column 2, the transmission column 2 is driven to rotate in the first groove 110, the transmission column 2 drives the drill bit 8 to rotate, when the drill bit 8 goes deep into the pit and a sleeve needs to be cut, the second motor 211 is started, the second motor 211 transmits power to the threaded sleeve 3, the threaded sleeve 3 is driven to rotate in the second groove 210, the threaded sleeve 3 can drive the threaded column 310 to move up and down in the rotating process, when the threaded column 310 descends, the rack column 4 can be pressed, the rack column 4 can be driven to move downwards, the grinding head 5 can be driven to rotate on the first connecting column 212 in the downward moving process of the rack column 4, the sleeve is cut when the grinding head 5 rotates to the outer end to be unfolded, the sleeve can be retracted by the reverse operation, the grinding head 5 is prevented from being clamped in the pit when the sleeve is cut, and then the device is taken out in the working process.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. A downhole pipe cutting tool comprising a fixture (1), characterized in that: the fixing device is characterized in that a first groove (110) is formed in the bottom of the fixing device (1), a driving unit is fixedly connected with a first motor (111) in the first groove (110), one end output unit of the first motor (111) far away from the fixing device (1) is fixedly connected with a transmission column (2), and a screw sleeve (3) is arranged in the middle of the transmission column (2).

2. A downhole tubing cutter tool according to claim 1, wherein: the driving column (2) is provided with a second groove (210) at a position matched with the screw sleeve (3), a second motor (211) is fixedly connected with an internal driving unit of the second groove (210), and an output unit at one end of the second motor (211) far away from the driving column (2) is fixedly connected with the screw sleeve (3).

3. A downhole tubing cutter tool according to claim 1, wherein: one end of the threaded sleeve (3) far away from the transmission column (2) is provided with a threaded column (310), the threaded column (310) is in threaded connection with the threaded sleeve (3), and one end of the threaded column (310) far away from the threaded sleeve (3) is fixedly connected with a rack column (4).

4. A downhole tubing cutter tool according to claim 3, wherein: the four grinding heads (5) are meshed with the rack column (4), and through holes (510) are formed in one ends, close to the rack column (4), of the four grinding heads (5).

5. A downhole tubing cutter tool according to claim 3, wherein: one end fixedly connected with second spliced pole (6) of screw thread post (310) is kept away from to rack post (4), one end fixedly connected with spring (7) of rack post (4) is kept away from to second spliced pole (6), one end and transmission post (2) fixed connection of second spliced pole (6) are kept away from to spring (7).

6. A downhole tubing cutter tool according to claim 1, wherein: one end fixedly connected with drill bit (8) of fixing device (1) is kept away from to transmission post (2), third recess (213) have all been seted up around keeping away from each other in transmission post (2) outer wall middle part, four the lateral wall middle part that third recess (213) are close to each other is all fixedly connected with first spliced pole (212), four first spliced pole (212) all with grinding head (5) swing joint.