CN112059383A - Thermal-insulated antimagnetic pipeline plasma trompil device - Google Patents
Thermal-insulated antimagnetic pipeline plasma trompil device Download PDFInfo
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- CN112059383A CN112059383A CN202011100669.XA CN202011100669A CN112059383A CN 112059383 A CN112059383 A CN 112059383A CN 202011100669 A CN202011100669 A CN 202011100669A CN 112059383 A CN112059383 A CN 112059383A
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- 238000005520 cutting process Methods 0.000 claims abstract description 69
- 238000010079 rubber tapping Methods 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 238000000605 extraction Methods 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005553 drilling Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention relates to a heat-insulation antimagnetic pipeline plasma tapping device which comprises a holder assembly, a swing arm assembly, a protection assembly, a sliding rail assembly and a cutting assembly, wherein the holder assembly comprises a holder supporting plate, a hollow rotating table and a rotating table, the swing arm assembly comprises a swing arm and a support plate, the swing arm is horizontally fixed on the rotating table, the support plate is vertically fixed on the swing arm, the protection assembly comprises a box body and a cover plate, the box body is fixed on the lower side of the swing arm, an air inlet pipe joint and an air outlet pipe joint are arranged on the box body, the cover plate is fixed on the lower side of the box body in a sealing mode, the sliding rail assembly is vertically arranged on the support plate, the cutting assembly comprises an adapter, a plasma cutting gun and a laser range finder, the adapter is connected with the sliding rail. The heat-insulating and antimagnetic heat-insulating device has the advantages of compact structure, light weight, high hole opening speed, good heat-insulating and antimagnetic effects and high reliability, and can effectively improve the operating efficiency and reduce the cost.
Description
Technical Field
The invention relates to a pipeline tapping device, in particular to a pipeline plasma cutting tapping device with heat insulation and antimagnetic functions.
Background
In the operation and management process of a gas pipe network, connection, cutting and line changing operation is often required, and pipeline opening is an important process of connection, cutting and line changing. At present, the pipeline tapping machine adopted in the field is mainly a cylindrical cutter type tapping machine, and a plurality of problems exist in the practical application, which are mainly shown in the following aspects: 1. the product is heavy, a hydraulic station needs to be specially equipped, and the installation and the transportation are inconvenient; 2. the hole opening efficiency is low, the time of opening a hole for one time is usually consumed for several hours, and the hole opening is completed by cooperation of a plurality of people, so the labor intensity is high; 3. the cylinder cutter has high abrasion speed and higher use and maintenance cost; 4. the diameter of the opening hole has certain limitation, and the requirement for the opening hole with large caliber cannot meet the use requirement.
Disclosure of Invention
The invention aims to provide a heat-insulation antimagnetic pipeline plasma tapping device which has the advantages of compact structure, light weight, high tapping speed, good heat-insulation antimagnetic effect and high reliability, and can effectively improve the operating efficiency and reduce the use and maintenance cost and labor intensity.
In order to solve the problems in the prior art, the invention provides a heat-insulating antimagnetic pipeline plasma tapping device, which comprises a holder assembly, a swing arm assembly, a protection assembly, a slide rail assembly and a cutting assembly, wherein the holder assembly comprises a holder supporting disk and a hollow rotary platform fixed on the holder supporting disk, the rotary platform of the hollow rotary platform is coaxially fixed with the hollow rotary platform, the swing arm assembly comprises a swing arm and a support plate, the swing arm is horizontally fixed on the rotary platform, the support plate is vertically fixed on the swing arm, the protection assembly comprises a disc-shaped box body and a cover plate, the box body is fixed on the lower side of the swing arm, the box body is provided with an air inlet pipe joint and an air outlet pipe joint, the cover plate is sealed and fixed on the lower side of the box body to form a closed air cavity, the slide rail assembly is vertically arranged on the support plate, and the cutting assembly comprises an adapter, the adapter is connected with the slide rail assembly, and the perpendicular distance from the plasma cutting gun and the laser range finder to the axis of the hollow rotating platform is equal.
Furthermore, the heat-insulating antimagnetic pipeline plasma tapping device also comprises a waste material extraction assembly, wherein the waste material extraction assembly comprises a supporting pipe, an electromagnet and a switch supporting plate, the upper end of the supporting pipe sequentially penetrates through the cover plate, the box body, the swing arm, the rotary table and the hollow rotary table and is fixedly connected with the holder supporting plate, the electromagnet and the switch supporting plate are installed at the lower end of the supporting pipe through elastic buffering parts, and a plurality of proximity switches distributed around the electromagnet are installed on the switch supporting plate.
Further, the invention relates to a heat-insulating antimagnetic pipeline plasma tapping device, wherein the elastic buffer piece comprises a pipe nut, a sleeve, a connecting rod, a spring and a hexagonal column, the pipe nut is screwed at the lower end of the supporting pipe through threads, the sleeve penetrates through the bottom wall of the pipe nut, a first limiting table is arranged on the outer wall of the sleeve at the upper side of the bottom wall of the pipe nut, a second limiting table is arranged on the upper half part of the inner wall of the sleeve, the connecting rod penetrates through the sleeve, a third limiting table in the sleeve is arranged on the lower half part of the connecting rod, a fourth limiting table is arranged at the lower end of the connecting rod, a fifth limiting table at the upper side of the sleeve is arranged at the upper end of the connecting rod, the spring is sleeved on the connecting rod, the upper end and the lower end of the spring are correspondingly pressed on the second limiting table and the third; the top of the electromagnet is rotatably arranged on a threaded column integrated with the hexagonal column through a threaded hole, and the switch supporting disc is fixedly connected with the lower end of the sleeve.
Further, the heat-insulating antimagnetic pipeline plasma tapping device is characterized in that symmetrical limiting grooves are formed in the upper end of the sleeve, and limiting blocks in the limiting grooves are arranged on the connecting rod.
Further, the invention relates to a heat-insulating antimagnetic pipeline plasma tapping device, wherein the slide rail assembly comprises a base, a guide rail, a sliding block, a screw rod, a motor and a sliding table, the base is fixed on a support plate, an upper end plate and a lower end plate are correspondingly fixed on the upper end and the lower end of the base, the guide rail is fixed on the base, the sliding block is clamped on the guide rail and enables the guide rail and the guide rail to be in sliding fit, the upper end and the lower end of the screw rod are correspondingly installed on the upper end plate and the lower end plate respectively through bearings, the motor is fixed on the upper side of a swing arm and enables an output shaft of the motor to be connected with the upper end of the screw rod through a coupler, the sliding table is fixedly.
Furthermore, the heat-insulating antimagnetic pipeline plasma tapping device is characterized in that through holes are respectively formed in the box body and the cover plate at positions corresponding to the support plate, the plasma cutting gun, the support tube and the motor shaft output shaft, sealing convex edges are respectively arranged on the outer edge of the box body and the periphery of each through hole, a sealing groove is formed in each sealing convex edge, and a sealing gasket is arranged in each sealing groove.
Further, the invention relates to a heat-insulating antimagnetic pipeline plasma tapping device, wherein an axial photoelectric switch is mounted on one side of the base through a first fixing strip, and an axial blocking piece matched with the axial photoelectric switch is fixed on the sliding table.
Further, the heat-insulating antimagnetic pipeline plasma tapping device is characterized in that an upper limit switch and a lower limit switch are mounted on the other side of the base through a second fixing strip, and a stop block matched with the upper limit switch and the lower limit switch is fixed on the sliding table.
Furthermore, the invention discloses a heat-insulating antimagnetic pipeline plasma tapping device, wherein four proximity switches are uniformly arranged along the circumferential direction of a switch supporting disk, and a redundant limit switch matched with an electromagnet is further installed on the switch supporting disk.
Furthermore, the invention relates to a heat-insulating antimagnetic pipeline plasma tapping device, wherein the upper end of the supporting pipe penetrates through a holder supporting plate, a plurality of threading holes are formed in the supporting pipe, and the base is made of an aluminum profile.
Compared with the prior art, the heat-insulating antimagnetic pipeline plasma tapping device has the following advantages: the invention enables the cradle head component to be provided with the cradle head supporting plate and the hollow rotating platform fixed on the cradle head supporting plate by arranging the cradle head component, the swing arm component, the protection component, the sliding rail component and the cutting component, a hollow rotary table is coaxially fixed on a rotary table of the hollow rotary table, a swing arm component is provided with a swing arm and a support plate, the swing arm is horizontally fixed on the rotary table, the support plate is vertically fixed on the swing arm, a protection component is provided with a disc-shaped box body and a cover plate, the box body is fixed at the lower side of the swing arm, the box body is provided with an air inlet pipe joint and an air outlet pipe joint, the cover plate is hermetically fixed at the lower side of the box body and enclosed into a closed air cavity, the slide rail component is vertically arranged on the support plate, the cutting component is provided with an adapter seat, a plasma cutting gun and a laser range finder which are fixed on the adapter seat, the adapter seat is connected with the slide rail component, and the vertical distances from the plasma cutting gun and the laser range finder to the axis of the hollow rotating platform are equal. Therefore, the pipe plasma cutting and perforating device with the functions of heat insulation and magnetism prevention is formed. In practical application, the hole opening device is installed on a lifting device in the hole opening machine through a holder supporting plate, the plasma cutting gun is connected with an air outlet pipe joint on the box body through a hose, and an air inlet pipe joint on the box body is connected with a cutting air source through a pipeline. When the hole is drilled, the hole drilling device is firstly moved downwards into the welded pipe fitting from the connecting box by controlling the lifting device, and the lifting device is stopped after the hole drilling device is moved downwards to the proper position. And then the plasma cutting gun and the laser range finder are moved to the set initial positions by controlling the hollow rotating table and the sliding rail assembly. And then the laser range finder rotates for one circle and scans the cutting path by controlling the hollow rotating table. And then starting the plasma cutting gun, rotating the hollow rotating platform for a circle at a set speed, controlling the distance from the plasma cutting gun to the pipe wall according to the cutting path, and stopping the hollow rotating platform, the sliding rail assembly and the plasma cutting gun after the pipe wall is cut. And finally, the hole opening device is moved upwards to the connecting box by controlling the lifting device, and then the subsequent process can be carried out. According to the invention, the pipeline is perforated by adopting plasma cutting, so that compared with the traditional cylinder cutter perforation, the perforating speed and the working efficiency are greatly improved, and the overall weight and the use and maintenance cost of the perforating machine can be effectively reduced. The protection assembly is arranged on the lower side of the swing arm, so that cutting gas passes through the gas cavity of the protection assembly, and on one hand, the protection assembly can play a role in blocking and cooling high temperature generated in the plasma cutting process, thereby avoiding the influence of the high temperature on the hollow rotary table and other parts and improving the safety and reliability; on the other hand, the cutting gas pipeline can be always positioned on the upper side of the protection component, and the cutting action is prevented from being influenced by the falling of the cutting gas pipeline. Through adopting laser range finder to cut the route scanning to make laser range finder and plasma cutting rifle equal to the perpendicular distance of cavity revolving stage axis, utilize contained angle, difference in height and the rotational speed of cavity revolving stage between them, make the distance of plasma cutting rifle to the pipe wall keep in the working distance within range through controlling slide rail set spare very easily, improved the convenience of control and the stability, the reliability of cutting.
The heat-insulating and antimagnetic pipe plasma tapping device of the invention is further described in detail with reference to the specific embodiments shown in the attached drawings.
Drawings
FIG. 1 is a front view of a thermal insulating and antimagnetic pipe plasma tapping device of the present invention;
FIG. 2 is a left side view of a thermal insulating and antimagnetic pipe plasma tapping device of the present invention;
FIG. 3 is a right side view of a thermal insulating and antimagnetic pipe plasma tapping device of the present invention;
FIG. 4 is a first perspective view of a thermal insulating and antimagnetic pipe plasma tapping device according to the present invention;
FIG. 5 is a second perspective view of the heat-insulating and antimagnetic pipe plasma tapping device of the present invention;
FIG. 6 is a first perspective view of a first cradle head assembly of the thermal insulation and antimagnetic pipe plasma tapping device of the present invention;
FIG. 7 is a second perspective view of a cradle head assembly of the thermal insulation and antimagnetic pipe plasma tapping device of the present invention;
FIG. 8 is a first perspective view of a shield assembly in the thermal insulating and antimagnetic pipe plasma tapping apparatus of the present invention;
FIG. 9 is a second perspective view of a shield assembly of the thermal and magnetic shielding apparatus for plasma drilling of pipelines of the present invention;
FIG. 10 is a first perspective view of a case of the thermal insulating and antimagnetic pipe plasma tapping device according to the present invention;
FIG. 11 is a second perspective view of a case of the thermal insulating and antimagnetic pipe plasma tapping device of the present invention;
FIG. 12 is a first perspective view of a cover plate of the thermal insulating and antimagnetic pipe plasma tapping device of the present invention;
FIG. 13 is a second perspective view of a cover plate of the thermal insulating and antimagnetic pipe plasma tapping device of the present invention;
FIG. 14 is a front view of a slide rail assembly in an apparatus for thermally insulating and magnetically shielding a pipe plasma opening of the present invention;
FIG. 15 is a perspective view of a slide rail assembly in the thermal insulating and antimagnetic pipe plasma tapping apparatus of the present invention;
FIG. 16 is a view taken along line A-A of FIG. 14;
FIG. 17 is a first perspective view of a cutting assembly of the thermal insulating and antimagnetic pipe plasma tapping apparatus of the present invention;
FIG. 18 is a second perspective view of a cutting assembly of the thermal and magnetic shield apparatus for plasma perforating of a pipe in accordance with the present invention;
FIG. 19 is a front view of a scrap extraction assembly in an apparatus for thermally insulating and magnetically shielding a pipe plasma opening in accordance with the present invention;
FIG. 20 is a perspective view of a waste extraction assembly in an apparatus for thermally insulating and magnetically shielding a pipe plasma opening in accordance with the present invention;
FIG. 21 is a view from the B-B direction in FIG. 19;
FIG. 22 is a front view of an elastomeric buffer in an insulating and antimagnetic pipe plasma tapping apparatus of the present invention;
FIG. 23 is a left side view of the elastomeric damper of the thermal insulating and antimagnetic pipe plasma tapping apparatus of the present invention;
FIG. 24 is a perspective view of an elastomeric buffer in a thermal insulating antimagnetic pipe plasma tapping device of the present invention;
FIG. 25 is a view taken along line C-C of FIG. 23;
FIG. 26 is a schematic view illustrating an installation and usage of the heat-insulating and antimagnetic pipe plasma tapping device according to the present invention.
Detailed Description
First, it should be noted that, the directional terms such as up, down, left, right, front, rear, etc. described in the present invention are only described with reference to the accompanying drawings for easy understanding, and do not limit the technical solution and the claimed scope of the present invention.
As shown in fig. 1 to 26, the embodiment of the present invention of a thermal insulation and antimagnetic pipe plasma tapping device includes a pan-tilt assembly 1, a swing arm assembly 2, a shielding assembly 3, a sliding rail assembly 4, and a cutting assembly 5. The pan/tilt head assembly 1 is provided with a pan/tilt head support plate 11 and a hollow rotary table 12 fixed to the pan/tilt head support plate 11, and a hollow rotary table 13 is coaxially fixed to a rotary table of the hollow rotary table 12. The swing arm assembly 2 is provided with a swing arm 21 and a support plate 22, the swing arm 21 is horizontally fixed on the rotary table 13, and the support plate 22 is vertically fixed on the swing arm 21. The protection component 3 is provided with a disc-shaped box body 31 and a cover plate 32, the box body 31 is fixed at the lower side of the swing arm 21, an air inlet pipe joint 311 and an air outlet pipe joint 312 are arranged on the box body 31, and the cover plate 32 is fixed at the lower side of the box body 31 in a sealing way and is enclosed into a closed air cavity. Make sliding rail set 4 vertical installation on mounting panel 22, make cutting assembly 5 set up adapter 51 and fix plasma cutting rifle 52 and laser range finder 53 on adapter 51, let adapter 51 and sliding rail set 4 be connected to make plasma cutting rifle 52 and laser range finder 53 equal to the vertical distance of cavity revolving stage 12 axis.
The pipeline plasma cutting and perforating device with the heat insulation and antimagnetic functions is formed through the structure. In practical application, the hole-forming device is mounted on the lifting device 100 in the hole-forming machine through the holder support plate 11, the plasma cutting gun 52 is connected with the air outlet pipe joint 312 on the box body 31 through a hose, and the air inlet pipe joint 311 on the box body 31 is connected with a cutting air source through a pipeline. During the hole drilling operation, the hole drilling device is firstly moved downwards from the connecting box 200 to the welded pipe fitting 300 by controlling the lifting device, and the lifting device is stopped after the hole drilling device is moved downwards to the right position. The plasma cutting torch 52 and the laser rangefinder 53 are then moved to the set initial positions by controlling the hollow rotary table 12 and the sled assembly 4. The laser range finder 53 is then rotated one revolution by controlling the hollow rotary table 12 and the cutting path is scanned. And then starting the plasma cutting gun 52, rotating the hollow rotating platform 12 for a circle at a set speed, controlling the distance from the plasma cutting gun 52 to the pipe wall according to the cutting path, and stopping the hollow rotating platform 12, the slide rail assembly 4 and the plasma cutting gun 52 after the pipe wall is cut. And finally, the hole opening device is moved upwards to the connecting box by controlling the lifting device, and then the subsequent process can be carried out. According to the invention, the pipeline is perforated by adopting plasma cutting, so that compared with the traditional cylinder cutter perforation, the perforating speed and the working efficiency are greatly improved, and the overall weight and the use and maintenance cost of the perforating machine can be effectively reduced. The protection component 3 is arranged on the lower side of the swing arm 21, so that cutting gas passes through the gas cavity of the protection component 3, on one hand, the high temperature generated in the plasma cutting process can be prevented from being reduced, the influence of the high temperature on the hollow rotating platform 12 and other parts is avoided, and the stability and the safety reliability are improved; on the other hand, the cutting gas pipeline can be always positioned on the upper side of the protection component 3, and the cutting action is prevented from being influenced by the falling of the cutting gas pipeline. The laser range finder 53 is adopted to detect the wall distance of the pipe and construct a cutting path, the laser range finder 53 and the plasma cutting gun 52 are enabled to be equal in vertical distance to the axis of the hollow rotating platform 12, the included angle and the height difference between the laser range finder 53 and the plasma cutting gun 52 and the rotating speed of the hollow rotating platform 12 are utilized, the distance from the plasma cutting gun 52 to the pipe wall is easily kept within the working distance range by controlling the slide rail assembly 4, and the control convenience, the cutting stability and the cutting reliability are improved. It should be noted that the scanning and cutting path means that the laser range finder rotates for one circle and detects and records the distance between the pipe walls; the connection of the adapter 51 and the slide rail assembly 4 means that the adapter 51 is connected with a sliding part of the slide rail assembly 4; in order to avoid the magnetic field generated during the plasma cutting process from affecting the hollow rotary table 12 and other components, the invention generally makes the box 31 and the cover plate 32 made of soft magnetic materials such as silicon steel and ferrite, so as to achieve the purpose of blocking or shielding the magnetic field. It should be noted that, in the tapping operation, the header 200 of the tapping machine is mounted on the welded pipe 300 through the gate valve 400, and the welded pipe 300 is welded on the pipe 500 to be tapped.
As an optimized scheme, the waste extraction assembly 6 is further arranged in the specific embodiment, so that the cut pipe wall can be extracted. The waste extraction assembly 6 comprises in particular a support tube 61, an electromagnet 62 and a switch support plate 63. The upper end of the support tube 61 passes through the cover plate 32, the box body 31, the swing arm 21, the rotary table 13 and the hollow rotary table 12 in sequence and is fixedly connected with the holder support plate 11, the electromagnet 62 and the switch support plate 63 are installed at the lower end of the support tube 61 through elastic buffering parts, and a plurality of proximity switches 64 distributed around the electromagnet 62 are installed on the switch support plate 63. The waste extraction assembly 6 with the structure has the advantages of simple structure, strong adaptability and high safety. By arranging the elastic buffer, the electromagnet 62 can be prevented from being damaged due to extrusion by the pipe wall in the downward moving process of the perforating device; by providing a plurality of proximity switches 64 around the electromagnet 62, the tapping device will trigger a signal when it is moved down to the desired position, improving the ease of control. In practical applications, the support tube 61 is disposed coaxially with the hollow rotary table 12 and is in clearance fit with the swing arm 21, the rotary table 13 and the hollow rotary table 12.
As a specific embodiment, the invention adopts the following structural form for the elastic buffer part: including tube nut 65, sleeve 66, linkage 67, spring 68, and hex post 69. The pipe nut 65 is screwed at the lower end of the support pipe 61 through threads, the sleeve 66 penetrates through the bottom wall of the pipe nut 65, a first limiting table 661 is arranged on the outer wall of the sleeve 66 and at the upper side of the bottom wall of the pipe nut 65, and a second limiting table 662 is arranged on the upper half part of the inner wall of the sleeve 66; the connecting rod 67 penetrates through the sleeve 66, a third limiting table 671 in the sleeve 66 is arranged at the lower half part of the connecting rod 67, a fourth limiting table 672 is arranged at the lower end of the connecting rod 67, and a fifth limiting table 673 at the upper side of the sleeve 66 is arranged at the upper end of the connecting rod 67; the spring 68 is sleeved on the connecting rod 67, the upper end and the lower end of the spring 68 are correspondingly pressed on the second limiting table 662 and the third limiting table 671, and the hexagonal column 69 is screwed on the lower end of the connecting rod 67 through the threaded hole at the upper end of the hexagonal column. The electromagnet 62 is screwed on a threaded column integrated with the hexagonal column 69 through a threaded hole at the top of the electromagnet, and the switch support plate 63 is fixedly connected with the lower end of the sleeve 66. The elastic buffer part with the structure has the advantages of simple structure, convenience in disassembly and assembly, good buffering effect and strong adaptability. In the process of moving the hole forming device downwards, the electromagnet 62 can be prevented from being extruded and damaged by the elastic buffer action of the spring 68, so that the safety and reliability are improved; and the sleeve 66 and the pipe nut 65 are lapped through the first limiting table 661, so that the pipe wall can be effectively prevented from extruding and damaging the proximity switch 64. As an optimized scheme, in the present embodiment, symmetrical limiting grooves are disposed at the upper end of the sleeve 66, and a limiting block 674 in the limiting groove is disposed on the connecting rod 67. The structure is matched with the limiting block 674 through the limiting groove, so that the electromagnet 62 and the switch supporting disc 63 can be prevented from rotating relatively, and the stability of the structure is enhanced.
As a specific embodiment, the present invention provides the slide rail assembly 4 with a base 41, a guide rail 42, a slider 43, a lead screw 44, a motor 45, and a slide table 46. Wherein, the base 41 is fixed on the support plate 22, and the upper end and the lower end of the base 41 are correspondingly fixed with an upper end plate 411 and a lower end plate 412; the guide rail 42 is fixed on the base 41, and the slide block 43 is clamped on the guide rail 42 and enables the guide rail 42 and the slide block to be matched in a sliding mode; the upper end and the lower end of the screw rod 44 are correspondingly arranged on the upper end plate 411 and the lower end plate 412 through bearings 47; the motor 45 is fixed on the upper side of the swing arm 21, the shaft of the motor is connected with the upper end of the lead screw 44 through the coupler 48, the sliding table 46 is fixedly connected with the sliding block 43 and the adapter 51 respectively, and the nut 49 matched with the lead screw 44 is arranged in the sliding table 46. The slide rail assembly 4 with the structure has the advantages of convenience in assembly and smooth transmission, and in the process that the motor 45 drives the lead screw 44 to rotate, the sliding table 46, the sliding block 43 and the adapter 51 can slide up and down along the guide rail 42 through the matching of the nut 49 and the lead screw 44. By providing the motor 45 at the upper side of the swing arm 21, the protective assembly 3 can be conveniently arranged and the effective area thereof can be increased. In practical applications, the box 31 and the cover 32 are respectively provided with through holes at positions corresponding to the support plate 22, the plasma cutting torch 52, the support tube 61 and the output shaft of the motor 45. In order to ensure the sealing performance of the protection component 3, a sealing convex edge 313 is arranged on the outer edge of the box body 31 and the periphery of each through hole, and a sealing groove and a sealing gasket are arranged on the sealing convex edge 313. As a specific fixing mode, the box 31 is fixed on the swing arm 21 by screws, and the box 31 and the cover plate 32 are connected by internal screw posts and screws, so as to be convenient for disassembly and assembly.
Preferably, in the present embodiment, the axial photoelectric switch 414 is mounted on one side of the base 41 via the first fixing bar 413, and the sliding table 46 is provided with an axial stopper 461 engaged with the axial photoelectric switch 414. Through the cooperation of the axial photoelectric switch 414 and the axial stop 461, the plasma cutting gun 52 and the laser range finder 53 can be axially positioned so as to determine the axial initial positions thereof, thereby improving the convenience and accuracy of control. It should be noted that, in practical application, the present invention further provides a radial photoelectric switch (not shown) and a radial baffle (not shown) on the pan head support plate 11 and the swing arm 21, which are matched with each other, so as to radially position the plasma cutting gun 52 and the laser range finder 53. Meanwhile, in the present embodiment, an upper limit switch 416 and a lower limit switch 417 are installed on the other side of the base 41 through the second fixing bar 415, and a stop 462 matched with the upper limit switch 416 and the lower limit switch 417 is arranged on the sliding table 46, so as to limit the up-down movement range of the sliding rail assembly 3, avoid damage to related components due to movement beyond the range, and ensure safety.
It should be noted that the present invention generally arranges four proximity switches 64 uniformly along the circumference of the switch support plate 63 to improve the reliability of the trigger signal, but is not limited to four proximity switches; in order to enhance the safety and reliability, a redundant limit switch 610 matched with the electromagnet 62 is usually arranged on the switch supporting plate 63, when the hole opening device is in place but the downward movement is not stopped, the redundant limit switch 610 can be contacted with the electromagnet 62 and trigger a signal, and the safety protection purpose can be realized by forcibly stopping the lifting device. In practical application, in order to facilitate wiring, the upper end of the support tube 61 penetrates through the holder support plate 11, and the support tube 61 is provided with a plurality of wiring holes; in order to simplify the manufacturing process and reduce the weight, the base 41 is made of an aluminum profile.
The above examples are only for describing the preferred embodiments of the present invention, and do not limit the scope of the claimed invention, and various modifications made by those skilled in the art according to the technical solutions of the present invention should fall within the scope of the invention defined by the claims without departing from the design concept of the present invention.
Claims (10)
1. The utility model provides a thermal-insulated antimagnetic pipeline plasma trompil device, includes cloud platform subassembly (1), swing arm subassembly (2), protection component (3), slide rail subassembly (4) and cutting assembly (5), its characterized in that, cloud platform subassembly (1) includes cloud platform supporting disk (11) and fixes cavity revolving stage (12) on cloud platform supporting disk (11), and the carousel coaxial of cavity revolving stage (12) is fixed with hollow revolving stage (13), swing arm subassembly (2) includes swing arm (21) and mounting panel (22), and swing arm (21) horizontal fixation is on revolving stage (13), and mounting panel (22) vertical fixation is on swing arm (21), protection component (3) include disc box body (31) and apron (32), and box body (31) are fixed in the downside of swing arm (21), are equipped with inlet pipe joint (311) and outlet duct joint (312) on box body (31), apron (32) sealed fixation is in the downside of box body (31) and makes both enclose into confined air cavity, slide rail set spare (4) are vertical to be installed on mounting panel (22), cutting assembly (5) include adapter (51) and fix plasma cutting rifle (52) and laser range finder (53) on adapter (51), and adapter (51) are connected with slide rail set spare (4), and plasma cutting rifle (52) and laser range finder (53) equal to the perpendicular distance of cavity revolving stage (12) axis.
2. The plasma tapping device for the heat-insulating and antimagnetic pipeline according to claim 1, further comprising a waste material extraction assembly (6), wherein the waste material extraction assembly (6) comprises a support pipe (61), an electromagnet (62) and a switch support plate (63), the upper end of the support pipe (61) sequentially penetrates through the cover plate (32), the box body (31), the swing arm (21), the rotary table (13) and the hollow rotary table (12) and is fixedly connected with the holder support plate (11), the electromagnet (62) and the switch support plate (63) are installed at the lower end of the support pipe (61) through elastic buffering parts, and a plurality of proximity switches (64) distributed around the electromagnet (62) are installed on the switch support plate (63).
3. The heat-insulating and antimagnetic pipe plasma tapping device according to claim 2, wherein the elastic buffer comprises a pipe nut (65), a sleeve (66), a connecting rod (67), a spring (68) and a hexagonal column (69), the pipe nut (65) is screwed on the lower end of the support pipe (61) through threads, the sleeve (66) passes through the bottom wall of the pipe nut (65), the outer wall of the sleeve (66) is provided with a first limit table (661) at the upper side of the bottom wall of the pipe nut (65), the upper half part of the inner wall of the sleeve (66) is provided with a second limit table (662), the connecting rod (67) passes through the sleeve (66), the lower half part of the connecting rod (67) is provided with a third limit table (671) positioned in the sleeve (66), the lower end of the connecting rod (67) is provided with a fourth limit table (672), the upper end of the connecting rod (67) is provided with a fifth limit table (673) positioned at the upper side of the, the spring (68) is sleeved on the connecting rod (67), the upper end and the lower end of the spring (68) correspondingly push against the second limiting table (662) and the third limiting table (671), and the upper end of the hexagonal column (69) is screwed at the lower end of the connecting rod (67) through a threaded hole; the top of the electromagnet (62) is screwed on a threaded column integrated with the hexagonal column (69) through a threaded hole, and the switch supporting disc (63) is fixedly connected with the lower end of the sleeve (66).
4. The plasma tapping device for the heat-insulating and antimagnetic pipeline according to claim 3, wherein the upper end of the sleeve (66) is provided with symmetrical limiting grooves, and the connecting rod (67) is provided with limiting blocks (674) positioned in the limiting grooves.
5. The heat-insulating antimagnetic pipe plasma tapping device according to claim 4, wherein the slide rail assembly (4) comprises a base (41), a guide rail (42), a slider (43), a lead screw (44), a motor (45) and a sliding table (46), the base (41) is fixed on the support plate (22), an upper end plate (411) and a lower end plate (412) are correspondingly fixed on the upper end and the lower end of the base (41), the guide rail (42) is fixed on the base (41), the slider (43) is clamped on the guide rail (42) and is in sliding fit with the guide rail (42), the upper end and the lower end of the lead screw (44) are correspondingly installed on the upper end plate (411) and the lower end plate (412) through a bearing (47), the motor (45) is fixed on the upper side of the swing arm (21) and enables an output shaft of the motor to be connected with the upper end of the lead screw (44) through a coupler (48), and the sliding table (46) is fixedly connected with the slider (43), a nut (49) matched with the screw rod (44) is arranged in the sliding table (46).
6. The plasma tapping device for the heat-insulating and antimagnetic pipeline as claimed in claim 5, wherein through holes are respectively formed in the box body (31) and the cover plate (32) at positions corresponding to the support plate (22), the plasma cutting gun (52), the support tube (61) and the shaft outlet shaft of the motor (45), sealing convex edges (313) are respectively arranged on the outer edge of the box body (31) and the periphery of each through hole, sealing grooves are formed in the sealing convex edges (313), and sealing gaskets are installed in the sealing grooves.
7. The plasma tapping device for the heat-insulating and antimagnetic pipeline according to claim 6, wherein an axial photoelectric switch (414) is mounted on one side of the base (41) through a first fixing strip (413), and an axial baffle (461) matched with the axial photoelectric switch (414) is fixed on the sliding table (46).
8. The thermal insulation and antimagnetic pipe plasma tapping device according to claim 7, wherein the other side of the pedestal (41) is provided with an upper limit switch (416) and a lower limit switch (417) through a second fixing strip (415), and the sliding table (46) is fixed with a stop block (462) matched with the upper limit switch (416) and the lower limit switch (417).
9. The heat-insulating antimagnetic pipe plasma tapping device according to claim 6, wherein four proximity switches (64) are uniformly arranged along the circumference of the switch supporting disk (63), and a redundant limit switch (610) matched with the electromagnet (62) is further mounted on the switch supporting disk (63).
10. The plasma tapping device for the heat-insulating and antimagnetic pipeline according to claim 6, wherein the upper end of the supporting tube (61) penetrates through the holder supporting plate (11), and a plurality of threading holes are formed in the supporting tube (61); the base (41) is made of aluminum profiles.
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