CN215545342U - Annular cutting device for oil and gas pipeline - Google Patents
Annular cutting device for oil and gas pipeline Download PDFInfo
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- CN215545342U CN215545342U CN202121693243.XU CN202121693243U CN215545342U CN 215545342 U CN215545342 U CN 215545342U CN 202121693243 U CN202121693243 U CN 202121693243U CN 215545342 U CN215545342 U CN 215545342U
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Abstract
The utility model relates to the technical field of oil and gas pipeline cutting devices, in particular to an annular cutting device for an oil and gas pipeline. The pipe cutting machine comprises a cutting head and a support, wherein a pipeline fixing mechanism is arranged at the top of the support, a lifting mechanism is arranged on the side surface of the support, and the lifting mechanism drives a first connecting plate to do linear lifting motion; the first connecting plate is provided with a left-right swinging mechanism which drives the second connecting plate to swing left and right; the second connecting plate is provided with an up-and-down swinging mechanism which drives the third connecting plate to do up-and-down swinging motion; a front-back moving mechanism is arranged on the third connecting plate, the front-back moving mechanism drives the sliding table to do front-back linear reciprocating motion, and a cutting head is arranged at the front end of the sliding table; can realize hoop, the multi-angle processing of pipeline, servo motor is convenient for and computer control system or numerical control system connection combination, and after installing accurate control parts such as grating chi additional in later stage, realize high accuracy numerical control processing, have the characteristics that the processing position is accurate, machining efficiency is high.
Description
Technical Field
The utility model relates to the technical field of oil and gas pipeline cutting devices, in particular to an annular cutting device for an oil and gas pipeline.
Background
The pipeline cutting machine is common pipeline cutting equipment, and automatic fixed-length cutting of pipelines is required in pipeline prefabrication processing in industries such as petroleum and ships.
At present, the traditional manual mode for cutting the pipeline has low working efficiency, high labor intensity and high production cost, the cutting quality and effect cannot be ensured, the requirement on construction operators is high, the cutting length is difficult to determine, and the cutting efficiency is lower.
The automatic cutting has the application range of pipe diameters, the investment is small, the cost is low, the automatic cutting machine can be suitable for pipe cutting machines with different pipe diameters, the clamping devices on the existing cutting machines are fixed at one ends, when the pipe is cut off, the pipe can be broken due to gravity under the action of gravity, the cut of the pipe is not smooth, and the cutting quality is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an annular cutting device for an oil and gas pipeline, aiming at the defects in the prior art.
The technical scheme is as follows:
an annular cutting device for an oil and gas pipeline comprises a cutting head and a support, wherein a pipeline fixing mechanism is arranged at the top of the support, a lifting mechanism is arranged on the side surface of the support, and the lifting mechanism drives a first connecting plate to do linear lifting motion; the first connecting plate is provided with a left-right swinging mechanism which drives the second connecting plate to swing left and right; the second connecting plate is provided with an up-and-down swinging mechanism which drives the third connecting plate to do up-and-down swinging motion; and a front-back moving mechanism is arranged on the third connecting plate and drives the sliding table to do front-back linear reciprocating motion, and a cutting head is arranged at the front end of the sliding table.
Furthermore, the lifting mechanism comprises a linear slide rail fixedly arranged on the side surface of the bracket, a slide block arranged on the linear slide rail in a sliding manner, and a lead screw in threaded connection with the slide block, wherein the lower end of the lead screw is connected with the output end of the first motor; the first connecting plate is fixedly connected with the sliding block.
The left-right swinging mechanism comprises a second motor fixedly arranged on the first connecting plate, the output end of the second motor is connected with a rotating shaft, and the top end of the rotating shaft is fixedly provided with a second connecting plate.
The up-and-down swinging mechanism comprises a third motor fixedly arranged on the second connecting plate, the output end of the third motor is connected with a worm, the worm is meshed with a worm wheel, and the worm wheel is fixedly arranged on the first wheel shaft;
the first support is fixedly arranged on the second connecting plate, the second support is fixedly arranged on the third connecting plate, and the first wheel shaft is fixedly connected with the second support and rotatably connected with the first support.
The front-back moving mechanism comprises a sliding table which is arranged on the third connecting plate in a sliding manner, a cutting head is fixedly arranged at the front part of the sliding table, and a rack is fixedly arranged at the rear part of the sliding table;
and a third support is fixedly arranged on the third connecting plate, a second wheel shaft is erected on the third support, and a gear is fixedly arranged on the second wheel shaft and meshed with the rack.
And a hand wheel is arranged on one section of the second wheel shaft.
The first motor, the second motor and the third motor are all servo motors.
The first motor and the screw rod, the second motor and the rotating shaft, and the third motor and the worm are connected through couplings.
Further, pipeline fixing mechanism includes stand and clamp, the stand sets firmly in the support top, the clamp sets firmly in the stand top, the clamp is the U-shaped clamp.
The pipeline fixing mechanism is a plurality of.
The utility model has the beneficial effects that:
the U-shaped hoop can select a proper size according to the diameter size of the pipeline, so that the circle center of the pipeline is automatically positioned;
the lifting mechanism and the front-back moving mechanism are used for cutting pipelines with different sizes;
multi-angle cutting at the same horizontal position is realized through a left-right swinging mechanism;
through a forward and backward moving mechanism driven by a hand wheel, accurate cutting can be realized according to the field requirement;
this pipeline hoop cutting device can realize the hoop of pipeline, multi-angle processing, and servo motor is convenient for and computer control system or numerical control system connection combination, and after installing accurate control parts such as grating chi additional in later stage, realize high accuracy numerical control processing, have the characteristics that the processing position is accurate, machining efficiency is high.
Drawings
FIG. 1 is a schematic perspective view;
FIG. 2 is a schematic front view of the structure;
FIG. 3 is a schematic view of a meshing structure of a worm wheel and a worm;
in the figure:
1. the device comprises a support, 2, a pipeline fixing mechanism, 3, a cutting head, 4, a lifting mechanism, 5, a first connecting plate, 6, a left-right swinging mechanism, 7, a second connecting plate, 8, an up-down swinging mechanism, 9, a third connecting plate, 10, a front-back moving mechanism, 41, a first motor, 42, a slide rail seat, 43, a linear slide rail, 44, a lead screw, 45, a slide block, 61, a second motor, 62, a rotating shaft, 63, a shaft sleeve, 81, a third motor, 82, a worm, 83, a turbine, 84, a first support, 85, a fourth support, 831, a first wheel shaft, 101, a rack, 102, a second wheel shaft, 103, a hand wheel, 104, a sliding table, 105, a second support, 106, a third support, 107 and a gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The first embodiment is as follows:
the annular cutting device for the oil and gas pipeline shown in figures 1-3 comprises a cutting head 3, a support 1, a pipeline fixing mechanism 2, a lifting mechanism 4, a left-right swinging mechanism 6, an up-down swinging mechanism 8 and a front-back moving mechanism 10.
The cutting head 3 is a cutting tool suitable for cutting an oil and gas pipeline, such as a hydraulic cutting sprayer or a shaft head suitable for cutting the oil and gas pipeline, is arranged at the front end of the third connecting plate 9 and close to one end of the oil and gas pipeline, and cutting of the oil and gas pipeline is achieved.
The pipeline fixing mechanism 2 is composed of a plurality of groups of upright posts and clamps, the plurality of groups of pipeline fixing mechanisms 2 are arranged in a row and used for placing the oil gas pipeline, the clamps are in U-shaped structures matched with the outer wall of the oil gas pipeline, and a certain distance is kept between each group of pipeline fixing mechanisms 2; the stand welds in 1 top of support, and the clamp welds in the stand top.
The lifting mechanism 4 is composed of a first motor 41, a screw rod 44, linear slide rails 43 and slide blocks 45, the first motor 41 is a servo motor, at least two linear slide rails 43 are vertically fixed on the side surface of the support 1 through slide rail seats 42, the slide blocks 45 are slidably arranged on the linear slide rails 43, threaded holes matched with the screw rod 44 in a threaded mode are formed in the slide blocks 45, the slide blocks 45 are in threaded connection with the screw rod 44, the lower end of the screw rod 44 is fixedly connected with the output end of the first motor 41 through a coupler, and the first motor 41 is fixedly arranged on the support 1; the first motor 41 drives the screw rod 44 to rotate, the rotary motion of the screw rod 44 is converted into the linear reciprocating motion of the sliding block 45 through the threaded matching of the screw rod 44 and the sliding block 45, and then the sliding block 45 is lifted through the sliding matching of the sliding block 45 and the linear sliding rail 43; the slide block 45 is fixedly connected with the first connecting plate 5; the lifting mechanism 4 is positioned on the side surface of the oil-gas pipeline, namely the plane where the lifting movement is positioned is parallel to the plane where the oil-gas pipeline is positioned.
The first connecting plate 5 is U-shaped, and has one side fixedly connected to the slider 45 and the other side for fixing the second motor 61.
The left-right swinging mechanism 6 is composed of a second motor 61, a rotating shaft 62 and a shaft sleeve 63, the second motor 61 is a servo motor, the second motor 61 is fixed on the first connecting plate 5, the output end of the second motor 61 is connected with the rotating shaft 62 through a coupler, the shaft sleeve 63 is fixedly sleeved outside the rotating shaft 62, the shaft sleeve 63 is a T-shaped shaft sleeve 63, and the upper end of the shaft sleeve is fixedly connected with the second connecting plate 7 through a bolt.
The servo motor can control the speed, the position precision is very accurate, and a voltage signal can be converted into torque and rotating speed to drive a control object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output. The servo motor is divided into two categories of direct current servo motors and alternating current servo motors, and is mainly characterized in that when the signal voltage is zero, the signal voltage has no autorotation phenomenon, and the rotating speed is reduced at a constant speed along with the increase of the torque.
The left-right swinging mechanism 6 realizes the left-right swinging of the second connecting plate 7 by utilizing the angular displacement control of a servo motor; the plane of the left-right swinging motion is vertical to the plane of the lifting motion.
The up-and-down swinging mechanism 8 comprises a third motor 81, a worm 82, a worm wheel 83 and a second connecting plate 7, the third motor 81 is fixedly arranged at the rear end of the second connecting plate 7, the output end of the third motor 81 is connected with the worm 82 through a coupler, the worm 82 is rotatably erected on the second connecting plate 7 through a fourth support 85, first supports 84 are fixedly arranged at two sides of the second connecting plate 7, a first wheel shaft 831 is rotatably erected on the first supports 84, second supports 105 are fixedly arranged on two ends of the first wheel shaft 831, the worm wheel 83 is fixedly arranged in the middle of the first wheel shaft 831, the worm wheel 83 is meshed with the worm 82, and the third connecting plate 9 is fixedly connected to the upper end of the second support 105.
When the left-right swinging operation is not carried out, namely the left-right swinging mechanism 6 is in a zero position, the axis of the worm 82 is vertical to the axis of an oil-gas pipeline on the pipeline fixing mechanism 2, the axis of the worm wheel 83 is vertical to the axis of the worm 82, and the worm wheel 83 takes the first wheel shaft 831 as a shaft; the up-and-down swinging mechanism 8 drives the worm 82 to rotate through the third motor 81, the worm 82 and the worm wheel 83 are meshed and matched to convert the rotation of the worm 82 into the rotation of the worm wheel 83, the worm wheel 83 is fixedly connected with the first wheel shaft 831, the worm wheel 83 drives the first wheel shaft 831 to rotate, so that the second support 105 fixedly connected with the first wheel shaft 831 is driven to rotate, the third connecting plate 9 rotates by taking the first wheel shaft 831 as a shaft, the third motor 81 is a servo motor, and the third connecting plate 9 is driven to rotate back and forth through the angular displacement control of the servo motor, so that up-and-down swinging is realized.
The back-and-forth movement mechanism 10 is composed of a sliding table 104, racks 101, gears 107, a second wheel shaft 102 and hand wheels 103, a third connecting plate 9 is processed into a C-shaped guide rail shape, the sliding table 104 is in sliding fit with the third connecting plate 9, when the left-and-right swing mechanism 6 is in a zero position, the sliding table 104 is perpendicular to an oil-gas pipeline along a sliding track of the third connecting plate 9, a cutting head 3 is fixed at the front end of the sliding table 104, two parallel racks 101 are fixed on the rear half part of the sliding table 104, third supports 106 are arranged on two sides of the third connecting plate 9, the second wheel shaft 102 is erected on the third supports 106, two ends of the second wheel shaft 102 are rotatably connected with the third supports 106, the hand wheels 103 are fixedly arranged at one end of the second wheel shaft 102, two gears 107 are fixed in the middle part of the second wheel shaft 102, and the gears 107 are meshed with the racks 101.
The back-and-forth movement mechanism 10 rotates through a hand wheel 103 to drive a gear 107 to rotate, the gear 107 is rotated and converted into linear motion of a rack 101 through meshing of the gear 107 and the rack 101, the rack 101 drives a sliding table 104 to do linear motion, and the sliding table 104 drives a cutting head 3 to do linear motion far away from or close to an oil and gas pipeline.
Example two:
the first motor 41, the second motor 61 and the third motor 81 are all servo motors, the servo motors are connected with a control system, and a pipeline positioning device is arranged on the pipeline fixing mechanism 2, so that numerical control machining can be realized; the pipeline positioning device adopts a grating sensor.
The control system is an industrial personal computer provided with servo motor control software or numerical control software and comprises an information input module and a communication control module electrically connected with the pipeline positioning device and the servo motor.
Specifically, after confirming the installation and positioning of the pipeline through the grating sensor, inputting the diameter of the pipeline in a control system, taking the center of the equipment as a base point, controlling the first motor 41 to act by the control system, controlling the cutting head 3 to move up and down to the central position of the pipeline, driving the second motor 61 to act, adjusting the cutting angle by taking the rotating shaft 62 as a shaft, finally controlling the third motor 81 to act, adjusting the up and down angle of the cutting head 3, and feeding the cutting head 3 by using the hand wheel 103 to cut.
This pipeline hoop cutting device, pipeline positioner realize centre of a circle automatic positioning according to pipeline diameter size, and cutting device realizes the hoop processing of pipeline, and control system realizes the input of pipeline information to control mechanical device, realize the numerical control accurate positioning of pipeline position. The equipment is driven by a servo motor, the grating ruler is accurately controlled, numerical control positioning is realized, and the equipment has the characteristics of accurate processing position and high processing efficiency.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the utility model should be considered within the scope of the utility model.
Claims (10)
1. The annular cutting device for the oil and gas pipeline comprises a cutting head and is characterized by further comprising a support, wherein a pipeline fixing mechanism is arranged at the top of the support, a lifting mechanism is arranged on the side face of the support, and the lifting mechanism drives a first connecting plate to do linear lifting motion; the first connecting plate is provided with a left-right swinging mechanism which drives the second connecting plate to swing left and right; the second connecting plate is provided with an up-and-down swinging mechanism which drives the third connecting plate to do up-and-down swinging motion; and a front-back moving mechanism is arranged on the third connecting plate and drives the sliding table to do front-back linear reciprocating motion, and a cutting head is arranged at the front end of the sliding table.
2. The annular cutting device for the oil and gas pipeline according to claim 1, wherein the lifting mechanism comprises a linear slide rail fixedly arranged on the side surface of the support, a slide block arranged on the linear slide rail in a sliding manner, and a lead screw in threaded connection with the slide block, wherein the lower end of the lead screw is connected with the output end of the first motor; the first connecting plate is fixedly connected with the sliding block.
3. The annular cutting device for the oil and gas pipeline according to claim 2, wherein the left-right swinging mechanism comprises a second motor fixedly arranged on the first connecting plate, the output end of the second motor is connected with a rotating shaft, and the top end of the rotating shaft is fixedly provided with a second connecting plate.
4. The annular cutting device for the oil and gas pipeline according to claim 3, wherein the up-and-down swinging mechanism comprises a third motor fixedly arranged on the second connecting plate, an output end of the third motor is connected with a worm, the worm is meshed with a worm wheel, and the worm wheel is fixedly arranged on the first wheel shaft;
the first support is fixedly arranged on the second connecting plate, the second support is fixedly arranged on the third connecting plate, and the first wheel shaft is fixedly connected with the second support and rotatably connected with the first support.
5. The annular cutting device for the oil and gas pipeline according to claim 4, wherein the back-and-forth moving mechanism comprises a sliding table which is slidably arranged on the third connecting plate, a cutting head is fixedly arranged at the front part of the sliding table, and a rack is fixedly arranged at the rear part of the sliding table;
and a third support is fixedly arranged on the third connecting plate, a second wheel shaft is erected on the third support, and a gear is fixedly arranged on the second wheel shaft and meshed with the rack.
6. The annular cutting device for the oil and gas pipeline as claimed in claim 5, wherein a hand wheel is arranged at one section of the second wheel shaft.
7. The annular cutting device for oil and gas pipelines according to claim 6, wherein the first motor, the second motor and the third motor are all servo motors.
8. The annular cutting device for the oil and gas pipeline according to claim 7, wherein the first motor and the lead screw, the second motor and the rotating shaft, and the third motor and the worm are connected through couplings.
9. The oil and gas pipeline circumferential cutting device of any one of claims 1-8, wherein the pipeline fixing mechanism comprises an upright post and a clamp, the upright post is fixedly arranged at the top of the support, the clamp is fixedly arranged at the top end of the upright post, and the clamp is a U-shaped clamp.
10. The oil and gas pipeline circumferential cutting device of claim 9, wherein the pipeline fixing mechanism is plural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121693243.XU CN215545342U (en) | 2021-07-25 | 2021-07-25 | Annular cutting device for oil and gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121693243.XU CN215545342U (en) | 2021-07-25 | 2021-07-25 | Annular cutting device for oil and gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215545342U true CN215545342U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121693243.XU Active CN215545342U (en) | 2021-07-25 | 2021-07-25 | Annular cutting device for oil and gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215545342U (en) |
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2021
- 2021-07-25 CN CN202121693243.XU patent/CN215545342U/en active Active
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