CN109175599B - Large-diameter round steel pipe inclined section cutting and blanking preparation device and preparation method thereof - Google Patents
Large-diameter round steel pipe inclined section cutting and blanking preparation device and preparation method thereof Download PDFInfo
- Publication number
- CN109175599B CN109175599B CN201811363775.XA CN201811363775A CN109175599B CN 109175599 B CN109175599 B CN 109175599B CN 201811363775 A CN201811363775 A CN 201811363775A CN 109175599 B CN109175599 B CN 109175599B
- Authority
- CN
- China
- Prior art keywords
- cutting
- cutting torch
- horizontal
- positioning
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
-
- 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
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
Abstract
The invention discloses a large-diameter round steel pipe inclined section cutting and blanking preparation device and a preparation method thereof. The method comprises the following steps: a. processing by a cutting device; b. processing an annular guide plate; c. placing a round steel tube positioning and rotating system; d. the annular guide plate is installed; e. assembling a guide beam fixing frame system; f. assembling a cutting guide system; g. assembling a cutting system; h. cutting and adjusting; i. cutting a round steel tube to be cut; j. and polishing and trimming the cut finished product section. According to the invention, the round steel pipe to be cut automatically cuts the inclined section according to the cutting line, so that the automatic cutting machine is economical and practical, the cutting quality can be integrally improved, the time for polishing and trimming the cut finished product section is reduced, and the preparation efficiency of the inclined section is further improved.
Description
Technical Field
The invention belongs to the technical field of preparation and application of novel high-strength steel, and particularly relates to a preparation device and a preparation method for cutting and blanking of an inclined section of a large-diameter round steel pipe.
Background
With the development of large building structures, circular elements have appeared in order to represent the building effect. The high-strength round steel pipe not only has excellent bearing performance in the existing building materials, but also can perfectly show the architectural artistic effect, so that the high-strength round steel pipe is favored by architects and structural engineers, and the high-strength round steel pipe is applied to large building structures, thereby not only meeting the building design and structural safety functions, but also further achieving the aim of saving building materials.
The large-diameter round steel pipe component is formed by welding round steel pipe components with inclined cross sections, and in order to finish the preparation of the large-diameter round steel pipe component, the large-diameter round steel pipe is firstly required to be cut and blanked according to the inclined cross sections with designed and specified angles.
At present, the numerical control cutting equipment of small-sized and medium-sized round steel pipes is basically common, but the shaping cutting device for cutting and blanking the inclined section of the large-diameter round steel pipe is large in one-time investment, and meanwhile, the number of the components is not large, if the shaping cutting device is adopted, the cutting and blanking of the inclined section of the large-diameter round steel pipe are very uneconomical; if the manual cutting method is adopted to cut and discharge the inclined section of the large-diameter round steel pipe, the cutting quality is poor, and meanwhile, a large amount of polishing and trimming are needed after the manual cutting and discharging are finished so as to meet the machining precision, the working progress is severely restricted, and meanwhile, the labor intensity of workers is high.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a large-diameter circular steel tube inclined-section cutting blanking preparation device and a preparation method thereof, wherein an annular guide plate parallel to a cutting line is fixed on a circular steel tube to be cut in a spot welding mode, a guide rod is moved in a guide groove to ensure that a cutting system can only move along the horizontal X-axis direction, the cutting system is prevented from moving in the horizontal Y-axis direction, a cutting torch horizontal synchronizer is limited to move on the annular guide plate, the circular steel tube to be cut circumferentially rotates under the action of an active roller frame, the circular steel tube to be cut circumferentially rotates with the annular guide plate to circumferentially rotate together, the annular guide plate which circumferentially rotates drives the cutting torch horizontal synchronizer to horizontally move along the X-axis direction, the cutting system is further driven to horizontally move along the X-axis direction, the cutting line is ensured to be matched with the design requirement, the automatic inclined-section cutting operation of the circular steel tube to be cut is realized according to the design requirement by adjusting the tightness of a cutting torch fixing bolt and a cutting torch clamping bolt, the distance between the cutting torch and the cutting wire and the angle of the cutting torch and the horizontal plane, the automatic inclined-section operation is economical and practical, the finished product quality can be integrally improved, the finishing work of the finished product section is greatly improved, and the cutting circular steel tube is cut to be cut with the large-section diameter.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a major diameter circle steel pipe inclined section cuts unloading preparation facilities which characterized in that: the cutting guide system comprises a guide groove, a guide rod, a cutting torch horizontal synchronizer, a cutting torch positioning assembly and an annular guide plate, wherein the round steel pipe positioning and rotating system is used for placing a round steel pipe to be cut, the cutting wire is arranged on the round steel pipe to be cut, the guide groove is horizontally fixed on the guide beam fixing frame system, the guide rod moves in the guide groove, the cutting torch positioning assembly is fixedly connected to the end part of the guide rod, the cutting torch horizontal synchronizer is obliquely arranged, an included angle between the cutting torch horizontal synchronizer and a horizontal plane is equal to an included angle between the cutting wire and the horizontal plane, the cutting torch horizontal synchronizer is limited to move on the annular guide plate, and the cutting system is fixedly connected to the end part of the cutting torch positioning assembly. According to the invention, the annular guide plate parallel to the cutting line is fixed on the round steel pipe to be cut through spot welding, the cutting system can only move along the horizontal X-axis direction by moving the guide rod in the guide groove, the cutting system is prevented from moving along the horizontal Y-axis direction, the cutting torch horizontal synchronizer is limited to move on the annular guide plate, the round steel pipe to be cut circumferentially rotates under the action of the driving roller frame, the annular guide plate circumferentially rotates together with the annular guide plate, the cutting torch horizontal synchronizer is driven by the annular guide plate to move along the horizontal X-axis direction, the cutting system is driven to move along the horizontal X-axis direction, the cutting line is ensured to be matched with the design requirement, the distance between the cutting torch and the cutting line and the angle between the cutting torch and the horizontal plane are adjusted by the cutting torch fixing bolt and the cutting torch hoop clamping bolt, the automatic cutting diagonal section work is carried out on the round steel pipe to be cut according to the cutting line design requirement, the cutting quality is improved, the work of polishing and finishing work of the finished product section is reduced, and the cutting blanking preparation efficiency of the large-diameter circular diagonal section is greatly improved.
Further, a group of round steel tube positioning and rotating systems are respectively arranged on two sides of the cutting line, and each group of round steel tube positioning and rotating systems comprises a passive roller frame and an active roller frame. The driven roller frame and the driving roller frame can both support the round steel pipe to be cut, and the driving roller frame can drive the round steel pipe to be cut to circumferentially rotate on the driven roller frame and the driving roller frame through a motor at a low speed to cut. Because both sides of the cutting line are respectively provided with a group of round steel pipe positioning and rotating systems, the finished product section to be cut and the residual material section to be cut in the cutting process can be supported on the round steel pipe positioning and rotating systems, and the problem of cutting quality caused by dead weight downwarping of the round steel pipe is avoided.
Further, the guide beam fixing frame system comprises frame columns, frame longitudinal beams, frame cross beams and guide beams, wherein the frame longitudinal beams and the frame cross beams are fixedly connected to the frame columns, frame diagonal braces are fixedly connected between the frame columns and the frame longitudinal beams and between the frame columns and the frame cross beams, the guide beams are fixed to the frame cross beams, and the guide beams are fixedly connected with the guide grooves. The frame diagonal bracing is fixedly connected between the frame column and the frame longitudinal beam and between the frame column and the frame transverse beam, so that the overall firmness of the guide beam fixing frame system is improved.
Further, a guide beam backing plate is arranged between the frame cross beam and the guide beam, and guide beam fixing bolts are arranged among the frame cross beam, the guide beam backing plate and the guide beam. According to the actual elevation error of the frame cross beam, the guide beam backing plate with corresponding thickness is selected for actual elevation error adjustment, and the top surface elevation and levelness of the guide beam can be guaranteed to be consistent.
Further, the bottom of frame post is equipped with frame adjusting screw assembly, and frame adjusting screw assembly includes frame screw and frame screw backing plate, and the bottom of frame screw is located to frame screw backing plate, and the bottom of frame post is located to frame screw, and frame screw is equipped with frame screw adjusting nut, and the upper and lower surface of the bottom of frame post all chucking has frame screw adjusting nut. Can adjust frame post basic elevation deviation through rotatory frame screw adjustment nut, ensure that frame crossbeam elevation reaches unanimously with the levelness, ensure that the fixed frame system of guiding beam is firm on the basis, and then be favorable to the adjustment convenience of the level degree of follow-up guiding beam installation.
Further, the cutting torch horizontal synchronizer comprises a cutting torch horizontal synchronizer lug plate, a cutting torch horizontal synchronizer support plate, a cutting torch horizontal synchronizer roller shaft and a cutting torch horizontal synchronizer roller, wherein the cutting torch horizontal synchronizer lug plate is fixedly connected with the cutting torch positioning assembly, the cutting torch horizontal synchronizer lug plate, the cutting torch horizontal synchronizer support plate and the cutting torch horizontal synchronizer roller shaft are welded into a whole, the cutting torch horizontal synchronizer roller is fixed on the cutting torch horizontal synchronizer roller shaft, and the annular guide plate is movable between the cutting torch horizontal synchronizer rollers. The annular guide plate is flexibly operated along the cutting torch horizontal synchronizer roller in the cutting torch horizontal synchronizer by fixing the cutting torch horizontal synchronizer roller on the cutting torch horizontal synchronizer roller shaft, so that the annular guide plate is ensured to have no jamming phenomenon with the cutting torch horizontal synchronizer in the rolling process of the round steel pipe to be cut, the friction force between the cutting torch horizontal synchronizer and the annular guide plate is reduced, and the guiding working efficiency is improved.
Further, the cutting torch positioning assembly comprises a cutting torch horizontal positioning rod and a cutting torch vertical positioning rod, the cutting torch horizontal positioning rod comprises a horizontal positioning left end rod, a horizontal positioning adjusting rod, a horizontal positioning right end rod, a horizontal positioning left end fixing plate, a horizontal positioning right end lug plate and a horizontal positioning right end rod sealing plate, the horizontal positioning left end fixing plate and the horizontal positioning left end rod are welded into a whole, the horizontal positioning right end rod sealing plate and the horizontal positioning right end lug plate are welded into a whole, the horizontal positioning left end fixing plate is fixedly connected with the guide rod, the horizontal positioning right end lug plate is fixedly connected with the cutting system, the horizontal positioning adjusting rod is in threaded connection with the horizontal positioning right end rod, and the horizontal positioning adjusting rod is in threaded connection with the horizontal positioning left end rod; the cutting torch vertical positioning rod comprises a vertical positioning upper end rod, a vertical positioning adjusting rod, a vertical positioning lower end rod sealing plate and a vertical positioning lower end lug plate, wherein the vertical positioning lower end rod, the vertical positioning lower end rod sealing plate and the vertical positioning lower end lug plate are welded into a whole, the vertical positioning upper end rod is welded and fixed with a horizontal positioning left end rod, the vertical positioning lower end lug plate is fixedly connected with a cutting torch horizontal synchronizer, the vertical positioning adjusting rod is in threaded connection with the vertical positioning upper end rod, and the vertical positioning adjusting rod is in threaded connection with the vertical positioning lower end rod. The cutting torch horizontal positioning rod is provided with a horizontal positioning adjusting rod, the cutting torch vertical positioning rod is provided with a vertical positioning adjusting rod, and the horizontal and vertical intervals between the cutting system and the cutting line can be conveniently adjusted through the adjustment of the horizontal positioning adjusting rod and the vertical positioning adjusting rod, so that the cutting technical parameters are ensured, and the cutting precision is improved.
Further, the cutting system comprises a cutting torch, a cutting nozzle and a cutting torch anchor ear, wherein the cutting torch is connected with an external cutting gas hose, the cutting torch and the cutting nozzle are connected into a whole by adopting bolts, the cutting torch anchor ear is provided with a cutting torch anchor ear clamping bolt, and a cutting torch fixing bolt is arranged between the cutting torch anchor ear and a cutting torch positioning assembly. The distance between the cutting torch and the cutting line and the angle of the cutting torch are adjusted by tightness of the cutting torch fixing bolt and the cutting torch hoop clamping bolt, so that the angle of the cutting torch is consistent with the angle of the cutting surface of the round steel pipe wall.
The preparation method of the large-diameter round steel pipe inclined section cutting and blanking preparation device is characterized by comprising the following steps of:
a. designing a cutting device according to the round steel pipe to be cut and finishing the machining;
b. processing an annular guide plate: firstly, designing an annular guide plate according to a cutting line, wherein the annular guide plate is matched with a cutting torch horizontal synchronizer;
c. respectively placing a group of round steel tube positioning and rotating systems on two sides of the cutting line according to the design position;
d. and (3) mounting an annular guide plate: firstly, measuring a round steel pipe to be cut, marking a cutting line on the round steel pipe to be cut according to a designed position, simultaneously marking a fixed position of an annular guide plate on the round steel pipe to be cut, arranging a plane of the cutting line and the annular guide plate in parallel, loading the annular guide plate at a mark position of the annular guide plate on the round steel pipe to be cut, and spot-welding and fixing the annular guide plate and the round steel pipe to be cut;
e. assembling a guide beam fixing frame system;
f. assembling a cutting guide system:
1) The guide groove horizontal and the guide beam fixed frame system are fixedly connected through guide groove fixing bolts;
2) Firstly, smearing lubricating oil on the outer surface of a guide rod and the inside of a guide groove, and then placing the guide rod into the guide groove;
3) Fixing the cutting torch positioning assembly to the end of the guide rod by using a guide rod fixing bolt;
4) Fixing the cutting torch horizontal synchronizer and the cutting torch positioning assembly by adopting a cutting torch horizontal synchronizer fixing bolt, wherein the cutting torch horizontal synchronizer idler wheels are symmetrically arranged on two sides of the annular guide plate, the cutting torch horizontal synchronizer idler wheels are parallel to the annular guide plate, a gap between a cutting torch horizontal synchronizer support plate and the top of the annular guide plate meets the design specification requirement of the device, the elevation of the cutting torch positioning assembly is adjusted to the design specification position of the device by rotating a vertical positioning adjusting rod, the inclination angle of the cutting torch horizontal synchronizer is adjusted by the elastic action of the cutting torch horizontal synchronizer fixing bolt, and the included angle between the cutting torch horizontal synchronizer and the horizontal plane is equal to the included angle between the cutting line and the horizontal plane;
g. assembling a cutting system, namely assembling a cutting torch and a cutting nozzle into a whole, assembling the cutting torch and a cutting torch anchor ear, and fixedly connecting the cutting system to the end part of a cutting torch positioning assembly through a cutting torch fixing bolt;
h. cutting and adjusting:
1) Adjusting the horizontal X-axis direction position of the cutting torch positioning assembly to the design position of the device by rotating the horizontal positioning adjusting rod;
2) The cutting torch anchor ear and the cutting torch are convenient to move relatively through unscrewing of the cutting torch fixing bolt and the cutting torch anchor ear clamping bolt, the distance between the cutting nozzle and the cutting line is accurately adjusted through the movement of the cutting torch relative to the cutting torch anchor ear to meet the cutting technical requirement, the inclination angle of the cutting nozzle is matched with the cutting surface angle of the round steel pipe wall, and then the cutting torch fixing bolt and the cutting torch anchor ear clamping bolt are screwed, so that the working state of a cutting system always maintains the specified state of the design technology;
i. cutting a round steel tube to be cut: connecting the cutting system with an external cutting gas hose, conveying cutting gas, igniting the cutting gas, adjusting the pressure and speed of the cutting gas, starting a round steel tube positioning and rotating system, and rotating the round steel tube to be cut for cutting;
j. after the round steel pipe is cut, the annular guide plate is removed, and then the cut finished product section is locally polished and trimmed.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. in the invention, the round steel pipe to be cut rotates slowly under the action of the round steel pipe positioning and rotating system in the process of cutting the inclined section of the round steel pipe, and the driving roller frame can drive the round steel pipe to be cut to rotate on the driven roller frame and the driving roller frame slowly through the motor to cut. The cutting torch horizontal synchronizer is driven by the annular guide plate to move in the horizontal X-axis direction, the cutting system can be driven to synchronously move in the same direction by the movement of the horizontal X-axis direction, the cutting system is prevented from moving in the horizontal Y-axis direction, the cutting torch horizontal synchronizer is limited and moves on the annular guide plate, the annular guide plate is driven to circumferentially rotate between the rolling wheels of the cutting torch horizontal synchronizer, the annular guide plate circumferentially rotates to have an acting force in the horizontal X-axis direction on the cutting torch horizontal synchronizer, the cutting torch horizontal synchronizer is driven to move in the horizontal X-axis direction by the pushing of the annular guide plate, the cutting torch positioning assembly is driven to synchronously move in the same direction by the movement of the horizontal X-axis direction of the cutting torch horizontal synchronizer, the cutting system is driven to synchronously move in the same direction, automatic cutting of an inclined section of a round steel pipe to be cut is finally realized, the cutting wire is ensured to be matched with a design requirement, automatic cutting work of the round steel pipe to be cut is achieved according to the cutting line of the designed inclined section, the cutting quality is improved, the work of a finishing work of a finished product section is reduced, and the manufacturing efficiency of the inclined section of the round steel pipe is greatly improved.
2. According to the invention, the guide beam base plate is arranged between the frame cross beam and the guide beam, and the guide beam fixing bolts are arranged among the frame cross beam, the guide beam base plate and the guide beam. According to the actual elevation error of the frame cross beam, the guide beam backing plate with corresponding thickness is selected for actual elevation error adjustment, and the top surface elevation and levelness of the guide beam can be guaranteed to be consistent.
3. The invention provides a frame adjusting screw assembly arranged at the bottom of a frame column, wherein the frame adjusting screw assembly comprises a frame screw, a frame screw base plate and a frame screw adjusting nut, the frame screw base plate is arranged at the bottom of the frame screw, the frame screw is arranged at the bottom of the frame column, the frame screw is provided with the frame screw adjusting nut, and the frame screw adjusting nut is fastened on the upper surface and the lower surface of the bottom of the frame column. Can adjust frame post basic elevation deviation through rotatory frame screw adjustment nut, ensure that frame crossbeam elevation reaches unanimously with the levelness, ensure that the fixed frame system of guiding beam is stably placed on the basis, and then be favorable to the adjustment convenience of the level degree of follow-up guiding beam installation.
4. According to the cutting torch, the horizontal positioning adjusting rod is arranged on the horizontal positioning rod of the cutting torch, the vertical positioning adjusting rod is arranged on the vertical positioning rod of the cutting torch, and the horizontal and vertical intervals between the cutting system and the cutting line can be conveniently adjusted through adjustment of the horizontal positioning adjusting rod and the vertical positioning adjusting rod, so that the cutting technical parameters are ensured, and the cutting precision is improved.
5. The cutting torch anchor ear, the cutting torch fixing bolt and the cutting torch anchor ear clamping bolt are arranged, and the precise spacing between the cutting torch and the cutting line and the inclination angle of the cutting nozzle can be conveniently adjusted through the tightness of the cutting torch fixing bolt and the cutting torch anchor ear clamping bolt, so that the inclination angle of the cutting nozzle is matched with the cutting surface angle of the round steel pipe wall.
6. The cutting guide system comprises a cutting torch horizontal synchronizer, a cutting line, a cutting torch positioning assembly, a cutting guide system and a vertical positioning adjusting rod, wherein the cutting torch horizontal synchronizer is arranged on the cutting torch horizontal synchronizer, the cutting line is arranged on the cutting torch horizontal synchronizer, the cutting torch positioning assembly is arranged on the cutting torch horizontal synchronizer, the cutting torch horizontal synchronizer is arranged on the cutting torch horizontal synchronizer, the cutting torch positioning assembly is arranged on the cutting torch horizontal synchronizer, and the cutting torch positioning assembly is arranged on the cutting torch horizontal synchronizer.
7. The invention does not need other shaping and cutting equipment.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of a large diameter round steel pipe in elevation with a diagonal section cutting blanking preparation device;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction A-A in FIG. 2;
FIG. 4 is a schematic view of a structural elevation of a circular guide plate of the present invention spot welded to a round steel tube to be cut;
FIG. 5 is a schematic view of the structure in the direction B-B in FIG. 4;
FIG. 6 is a schematic view of the structure in the direction C-C in FIG. 5;
FIG. 7 is a schematic view of a structural elevation of a guide beam fixed frame system of the present invention;
FIG. 8 is a schematic view of the structure in the direction D in FIG. 7;
FIG. 9 is a schematic view of the structure of the E direction in FIG. 8;
FIG. 10 is a schematic view of the structure of the fixed connection between the frame rails, the guide beam pads and the guide beams of the present invention;
fig. 11 is a schematic structural view of a frame column according to the present invention;
FIG. 12 is a schematic view of a frame stringer of the present invention;
FIG. 13 is a schematic view of a frame cross member of the present invention;
FIG. 14 is a schematic view of the structure of a frame adjustment screw assembly of the present invention;
FIG. 15 is a schematic view of a guide beam according to the present invention;
FIG. 16 is a schematic view of the structure of a frame diagonal brace of the present invention;
FIG. 17 is a schematic view of a guide slot according to the present invention;
FIG. 18 is a schematic view of the structure in the F-F direction of FIG. 17;
FIG. 19 is a schematic view of the structure in the G-G direction of FIG. 18;
FIG. 20 is a schematic view of a guide bar according to the present invention;
FIG. 21 is a schematic view of the torch horizontal synchronizer, torch positioning assembly and cutting system connection of the present invention;
FIG. 22 is a schematic view of a cutting system according to the present invention;
FIG. 23 is a schematic view of the structure in the H-H direction of FIG. 22;
FIG. 24 is a schematic diagram of a torch horizontal synchronizer of the present invention;
FIG. 25 is a schematic view of the structure in the I-I direction of FIG. 24;
FIG. 26 is a schematic view of a vertical positioning rod of a cutting torch according to the present invention;
FIG. 27 is a schematic view of a torch horizontal positioning rod of the present invention;
fig. 28 is a schematic view showing a partial structure of a round steel pipe to be cut, in which a round steel pipe wall cutting surface is cut.
In the figure, a 1-guide groove; 2-a guide rod; 3-a cutting torch horizontal synchronizer; 4-a cutting torch positioning assembly; 5-annular guide plates; 6-a passive roller frame; 7-a driving roller frame; 8-frame columns; 9-frame stringers; 10-frame cross beams; 11-a guide beam; 12-frame diagonal bracing; 13-a guide beam backing plate; 14-a guide beam fixing bolt; 15-frame adjustment screw assembly; 16-frame screw; 17-a frame screw adjustment nut; 18-cutting torch horizontal synchronizer ear plate; 19-a cutting torch horizontal synchronizer support plate; 20-cutting torch horizontal synchronizer roller shaft; 21-cutting torch horizontal synchronizer roller; 22-a cutting torch horizontal positioning rod; 23-cutting torch vertical positioning rod; 24-horizontally positioning the left end bar; 25-horizontally positioning an adjusting rod; 26-horizontally positioning the right end bar; 27-horizontally positioning a left end fixing plate; 28-horizontally positioning the right ear plate; 29-horizontally positioning a right end rod sealing plate; 30-vertically positioning an upper end rod; 31-vertical positioning adjusting rods; 32-vertically positioning the lower end bar; 33-vertically positioning a lower end rod sealing plate; 34-vertically positioning the lower end ear plate; 35-cutting torch; 36-cutting nozzle; 37-cutting torch anchor ear; 38-cutting lines; 39-round steel pipe to be cut; 40-cutting torch fixing bolts; 41-frame screw backing plate; 42-cutting the wall of the round steel tube; 43-cutting torch hoop clamping bolts, 44-cutting torch horizontal synchronizer fixing bolts.
Detailed Description
Fig. 1 to 28 show a large-diameter round steel tube oblique section cutting blanking preparation device in the invention, which comprises a round steel tube positioning and rotating system, a guide beam fixing frame system, a cutting guide system and a cutting system.
The cutting guide system comprises a guide groove 1, a guide rod 2, a cutting torch horizontal synchronizer 3, a cutting torch positioning assembly 4 and an annular guide plate 5, wherein the round steel tube positioning and rotating system is used for placing a round steel tube 39 to be cut, and the round steel tube 39 to be cut is provided with a cutting line 38. The guide groove 1 is horizontally fixed on the guide beam fixing frame system, the guide rod 2 moves in the guide groove 1, and the cutting torch positioning assembly 4 is fixedly connected to the end part of the guide rod 2. The cutting torch horizontal synchronizer 3 is arranged in an inclined mode, the included angle between the cutting torch horizontal synchronizer 3 and the horizontal plane is equal to the included angle alpha between the cutting line 38 and the horizontal plane, the cutting torch horizontal synchronizer 3 is limited to move on the annular guide plate 5, and the cutting system is fixedly connected to the end portion of the cutting torch positioning assembly 4.
The two sides of the cutting line 38 are respectively provided with a group of round steel tube positioning and rotating systems, and the group of round steel tube positioning and rotating systems comprises a passive roller frame 6 and an active roller frame 7. The driven roller frame 6 and the driving roller frame 7 can both support the round steel pipe 39 to be cut, and the driving roller frame 7 can drive the round steel pipe 39 to be cut to circumferentially rotate on the driven roller frame 6 and the driving roller frame 7 through the energy of the driving roller frame 7 to cut. Because the two sides of the cutting line 38 are respectively provided with a group of round steel tube positioning and rotating systems, during the cutting process, the finished product section to be cut and the residual material section to be cut can be supported on the round steel tube positioning and rotating systems, so that the problem of cutting quality caused by the dead weight downwarping of the round steel tube 39 to be cut is avoided.
The guide beam fixing frame system comprises frame columns 8, frame longitudinal beams 9, frame transverse beams 10 and guide beams 11, and the frame longitudinal beams 9 and the frame transverse beams 10 are fixedly connected to the frame columns 8. Frame diagonal braces 12 are fixedly connected between the frame columns 8 and the frame longitudinal beams 9 and between the frame columns 8 and the frame transverse beams 10, guide beams 11 are fixed on the frame transverse beams 10, and the guide beams 11 are fixedly connected with the guide grooves 1. The frame diagonal braces 12 are fixedly connected between the frame columns 8 and the frame longitudinal beams 9 and between the frame columns 8 and the frame transverse beams 10, so that the overall firmness of the guide beam fixing frame system is improved.
In the invention, each frame column 8 is formed by welding a frame column body, a frame column top plate, a frame column bottom plate, two frame column diagonal bracing lug plates which are 90 degrees, a plurality of frame column bottom stiffening plates and a plurality of frame column top stiffening plates into a whole; each frame longitudinal beam 9 is formed by welding a frame longitudinal beam body and a frame longitudinal beam inclined support lug plate into a whole; each frame beam 10 is formed by welding a frame beam body and a frame beam diagonal bracing lug plate into a whole; the guide beam 11 comprises a guide beam body.
A guide beam base plate 13 is arranged between the frame beam 10 and the guide beam 11, and a guide beam fixing bolt 14 is arranged between the frame beam 10, the guide beam base plate 13 and the guide beam 11. The actual elevation error of the frame cross beam 10 is utilized to select the guide beam backing plate 13 with corresponding thickness to adjust the actual elevation error, so that the elevation of the top surface of the guide beam 11 is consistent with the levelness.
The bottom of frame post 8 is equipped with frame adjustment screw assembly 15, and frame adjustment screw assembly 15 includes frame screw 16 and frame screw backing plate 41, and the bottom of frame screw 16 is located to frame screw backing plate 41, and the bottom of frame post 8 is located to frame screw 16, and frame screw 16 is equipped with frame screw adjusting nut 17, and the upper and lower surface all chucking has frame screw adjusting nut 17 in the bottom of frame post 8. The standard deviation of the foundation of the frame column 8 can be adjusted by rotating the screw adjusting nut 17 of the frame, the standard of the frame cross beam 10 is consistent with the levelness, the fixing frame system of the guide beam is ensured to be stable on the foundation, and the adjustment of the levelness in the subsequent installation process of the guide beam 11 is facilitated.
The cutting torch horizontal synchronizer 3 comprises a cutting torch horizontal synchronizer lug plate 18, a cutting torch horizontal synchronizer support plate 19, a cutting torch horizontal synchronizer roller shaft 20 and a cutting torch horizontal synchronizer roller 21, wherein the cutting torch horizontal synchronizer lug plate 18 is fixedly connected with the cutting torch positioning assembly 4, the cutting torch horizontal synchronizer lug plate 18, the cutting torch horizontal synchronizer support plate 19 and the cutting torch horizontal synchronizer roller shaft 20 are welded into a whole, the cutting torch horizontal synchronizer roller 21 is fixed on the cutting torch horizontal synchronizer roller shaft 20, and the annular guide plate 5 moves between the cutting torch horizontal synchronizer rollers 21. The cutting torch horizontal synchronizer roller 21 is fixed on the cutting torch horizontal synchronizer roller shaft 20, so that the annular guide plate 5 flexibly runs along the cutting torch horizontal synchronizer roller 21 in the cutting torch horizontal synchronizer 3, friction between the cutting torch horizontal synchronizer 3 and the annular guide plate 5 is reduced, and guide working efficiency is improved. The shape of the annular guide plate 5 is determined according to the cutting line 38, the width of the annular guide plate 5 is matched with the cutting torch horizontal synchronizer 3, and is generally selected from 50-200 mm, so that the annular guide plate 5 is ensured to have no jamming phenomenon with the cutting torch horizontal synchronizer 3 in the rolling process of the round steel pipe 39 to be cut on the basis of not interfering the running of the annular guide plate 5 along the cutting torch horizontal synchronizer 21 in the cutting torch horizontal synchronizer 3. The thickness of the annular guide plate 5 is generally selected from 5-12 mm, and the rigidity of the annular guide plate is ensured to ensure that the annular guide plate 5 can drive the cutting torch positioning assembly 4 to move in the horizontal X-axis direction through the cutting torch horizontal synchronizer 3.
The cutting torch positioning assembly 4 comprises a cutting torch horizontal positioning rod 22 and a cutting torch vertical positioning rod 23, wherein the cutting torch horizontal positioning rod 22 comprises a horizontal positioning left end rod 24, a horizontal positioning adjusting rod 25, a horizontal positioning right end rod 26, a horizontal positioning left end fixing plate 27, a horizontal positioning right end lug plate 28 and a horizontal positioning right end rod sealing plate 29. The horizontal positioning left end fixing plate 27 is welded with the horizontal positioning left end rod 24 into a whole, the horizontal positioning right end rod 26, the horizontal positioning right end rod sealing plate 29 and the horizontal positioning right end lug plate 28 are welded into a whole, the horizontal positioning left end fixing plate 27 is fixedly connected with the guide rod 2, the horizontal positioning right end lug plate 28 is fixedly connected with the cutting system, the horizontal positioning adjusting rod 25 is in threaded connection with the horizontal positioning right end rod 26, and the horizontal positioning adjusting rod 25 is in threaded connection with the horizontal positioning left end rod 24. The cutting torch vertical positioning rod 23 comprises a vertical positioning upper end rod 30, a vertical positioning adjusting rod 31, a vertical positioning lower end rod 32, a vertical positioning lower end rod sealing plate 33 and a vertical positioning lower end lug plate 34, wherein the vertical positioning lower end rod 32, the vertical positioning lower end rod sealing plate 33 and the vertical positioning lower end lug plate 34 are welded into a whole, the vertical positioning upper end rod 30 is welded and fixed with the horizontal positioning left end rod 24, the vertical positioning lower end lug plate 34 is fixedly connected with the cutting torch horizontal synchronizer 3, the vertical positioning adjusting rod 31 is in threaded connection with the vertical positioning upper end rod 30, and the vertical positioning adjusting rod 31 is in threaded connection with the vertical positioning lower end rod 32. The cutting torch horizontal positioning rod 22 is provided with a horizontal positioning adjusting rod 25, the cutting torch vertical positioning rod 23 is provided with a vertical positioning adjusting rod 31, and the horizontal and vertical intervals between the cutting system and the cutting line 38 can be conveniently adjusted through the adjustment of the horizontal positioning adjusting rod 25 and the vertical positioning adjusting rod 31, so that the cutting technical parameters are ensured, and the cutting precision is improved.
The cutting system comprises a cutting torch 35, a cutting nozzle 36 and a cutting torch anchor ear 37, wherein the cutting torch 35 is connected with an external cutting gas hose, the cutting torch anchor ear 37 is provided with a cutting torch anchor ear clamping bolt 43, and a cutting torch fixing bolt 40 is arranged between the cutting torch anchor ear 37 and the cutting torch positioning assembly 4. The distance between the cutting torch 35 and the cutting nozzle 36 and the cutting line 38 and the angle thereof are adjusted by tightness of the cutting torch fixing bolt 40 and the cutting torch hoop clamping bolt 43, so that the angle is consistent with the included angle beta between the cutting surface 42 of the round steel pipe wall and the horizontal plane.
A preparation method of a large-diameter round steel pipe inclined section cutting blanking preparation device comprises the following steps:
a. the cutting device is designed according to the round steel pipe 39 to be cut and the machining is completed.
b. Processing an annular guide plate 5: the annular guide plate 5 is designed according to the cutting line 38, and the annular guide plate 5 is matched with the cutting torch horizontal synchronizer 3.
c. A set of round steel tube positioning and rotating systems are placed on each side of the cut line 38 according to the design location.
d. The annular guide plate 5 is installed: firstly, measuring a round steel pipe 39 to be cut, marking a cutting line 38 on the round steel pipe 39 to be cut according to a designed position, simultaneously marking the fixed position of the annular guide plate 5 on the round steel pipe 39 to be cut, arranging the plane of the cutting line 38 and the annular guide plate 5 in parallel, then loading the annular guide plate 5 at the mark position of the annular guide plate 5 on the round steel pipe 39 to be cut, and spot-welding and fixing the annular guide plate 5 and the round steel pipe 39 to be cut.
e. And assembling a guide beam fixing frame system.
f. Assembling a cutting guide system:
1) The guide groove 1 is horizontally and fixedly connected with the guide beam fixing frame system through the guide groove fixing bolts.
2) Lubricating oil is firstly smeared on the outer surface of the guide rod 2 and the inside of the guide groove 1, and then the guide rod 2 is put into the guide groove 1.
3) A guide bar set screw is used to secure the torch positioning assembly 4 to the end of the guide bar 2.
4) The torch horizontal synchronizer 3 and the torch positioning assembly 4 are fixed by a torch horizontal synchronizer fixing bolt 44. The cutting torch horizontal synchronizer rollers 21 are symmetrically arranged on two sides of the annular guide plate 5, the cutting torch horizontal synchronizer rollers 21 are parallel to the annular guide plate 5, a gap between the cutting torch horizontal synchronizer support plate 19 and the top of the annular guide plate 5 meets the device design regulation requirement, and then the elevation of the cutting torch positioning assembly 4 is regulated to the device design regulation position by rotating the vertical positioning regulating rod 31. The inclination angle of the cutting torch horizontal synchronizer 3 is adjusted by the tightness of the cutting torch horizontal synchronizer fixing bolt 44, and the included angle between the cutting torch horizontal synchronizer 3 and the horizontal plane is equal to the included angle alpha between the cutting line 38 and the horizontal plane.
g. The cutting system is assembled and then fixedly attached to the end of the torch positioning assembly 4 using the torch fixing bolts 40.
h. Cutting and adjusting:
1) The horizontal X-axis direction position of the torch positioning assembly 4 is adjusted to the device design position by rotating the horizontal positioning adjustment lever 25.
2) The cutting torch anchor ear 37 and the cutting torch 35 are convenient to move relatively by unscrewing the cutting torch fixing bolt 40 and the cutting torch anchor ear clamping bolt 43, the distance between the cutting nozzle 36 and the cutting line 38 is accurately adjusted by moving the cutting torch 35 relative to the cutting torch anchor ear 37 to meet the cutting technical requirement, the inclination angle of the cutting nozzle 36 is matched with the cutting surface 42 of the round steel pipe wall, and then the cutting torch fixing bolt 40 and the cutting torch anchor ear clamping bolt 43 are screwed, so that the working state of a cutting system always maintains the state specified by the design technique.
i. Cutting the round steel tube 39 to be cut: the cutting system is connected with an external cutting gas hose, cutting gas is delivered and ignited, the cutting gas pressure and speed are regulated, then the round steel tube positioning and rotating system is started, and the round steel tube 39 to be cut is rotated circumferentially to cut, so that a round steel tube wall cutting surface 42 is obtained.
j. After the round steel pipe 39 is cut, the annular guide plate 5 is removed, and then the cut finished product section is locally polished and trimmed.
In the invention, the round steel pipe to be cut rotates slowly under the action of the round steel pipe positioning and rotating system in the process of cutting the inclined section of the round steel pipe, and the driving roller frame can drive the round steel pipe to be cut to rotate on the driven roller frame and the driving roller frame slowly through the motor to cut. The cutting torch horizontal synchronizer is driven by the annular guide plate to move in the horizontal X-axis direction, the cutting system can be driven to synchronously move in the same direction by the movement of the horizontal X-axis direction, the cutting system is prevented from moving in the horizontal Y-axis direction, the cutting torch horizontal synchronizer is limited and moves on the annular guide plate, the annular guide plate is driven to circumferentially rotate between the rolling wheels of the cutting torch horizontal synchronizer, the annular guide plate circumferentially rotates to have an acting force in the horizontal X-axis direction on the cutting torch horizontal synchronizer, the cutting torch horizontal synchronizer is driven to move in the horizontal X-axis direction by the pushing of the annular guide plate, the cutting torch positioning assembly is driven to synchronously move in the same direction by the movement of the horizontal X-axis direction of the cutting torch horizontal synchronizer, the cutting system is driven to synchronously move in the same direction, automatic cutting of an inclined section of a round steel pipe to be cut is finally realized, the cutting wire is ensured to be matched with a design requirement, automatic cutting work of the round steel pipe to be cut is achieved according to the cutting line of the designed inclined section, the cutting quality is improved, the work of a finishing work of a finished product section is reduced, and the manufacturing efficiency of the inclined section of the round steel pipe is greatly improved.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present invention to solve the substantially same technical problems and achieve the substantially same technical effects are included in the scope of the present invention.
Claims (7)
1. The utility model provides a major diameter circle steel pipe inclined section cuts unloading preparation facilities which characterized in that: the cutting torch positioning and rotating system is used for placing round steel pipes to be cut, the round steel pipes to be cut are provided with cutting lines, the guide grooves are horizontally fixed on the guide beam fixing frame system, the guide rods are movable in the guide grooves, the cutting torch positioning assembly is fixedly connected to the end parts of the guide rods, the cutting torch horizontal synchronizer is arranged in an inclined mode, an included angle between the cutting torch horizontal synchronizer and a horizontal plane is equal to an included angle between the cutting lines and the horizontal plane, the cutting torch horizontal synchronizer is limited to move on the annular guide plate, and the cutting system is fixedly connected to the end parts of the cutting torch positioning assembly; the cutting torch horizontal synchronizer comprises a cutting torch horizontal synchronizer lug plate, a cutting torch horizontal synchronizer support plate, a cutting torch horizontal synchronizer roller shaft and a cutting torch horizontal synchronizer roller, wherein the cutting torch horizontal synchronizer lug plate is fixedly connected with the cutting torch positioning assembly, the cutting torch horizontal synchronizer lug plate, the cutting torch horizontal synchronizer support plate and the cutting torch horizontal synchronizer roller shaft are welded into a whole, the cutting torch horizontal synchronizer roller is fixed on the cutting torch horizontal synchronizer roller shaft, and the annular guide plate is movable between the cutting torch horizontal synchronizer rollers; the cutting torch positioning assembly comprises a cutting torch horizontal positioning rod and a cutting torch vertical positioning rod, wherein the cutting torch horizontal positioning rod comprises a horizontal positioning left end rod, a horizontal positioning adjusting rod, a horizontal positioning right end rod, a horizontal positioning left end fixing plate, a horizontal positioning right end lug plate and a horizontal positioning right end rod sealing plate, the horizontal positioning left end fixing plate and the horizontal positioning left end rod are welded into a whole, the horizontal positioning right end rod sealing plate and the horizontal positioning right end lug plate are welded into a whole, the horizontal positioning left end fixing plate is fixedly connected with the guide rod, the horizontal positioning right end lug plate is fixedly connected with the cutting system, the horizontal positioning adjusting rod is in threaded connection with the horizontal positioning right end rod, and the horizontal positioning adjusting rod is in threaded connection with the horizontal positioning left end rod; the cutting torch vertical positioning rod comprises a vertical positioning upper end rod, a vertical positioning adjusting rod, a vertical positioning lower end rod sealing plate and a vertical positioning lower end lug plate, wherein the vertical positioning lower end rod, the vertical positioning lower end rod sealing plate and the vertical positioning lower end lug plate are welded into a whole, the vertical positioning upper end rod is welded and fixed with the horizontal positioning left end rod, the vertical positioning lower end lug plate is fixedly connected with the cutting torch horizontal synchronizer, the vertical positioning adjusting rod is in threaded connection with the vertical positioning upper end rod, and the vertical positioning adjusting rod is in threaded connection with the vertical positioning lower end rod.
2. The large-diameter round steel pipe inclined section cutting blanking preparation device according to claim 1, wherein: the two sides of the cutting line are respectively provided with a group of round steel tube positioning and rotating systems, and the round steel tube positioning and rotating systems comprise a passive roller frame and an active roller frame.
3. The large-diameter round steel pipe inclined section cutting blanking preparation device according to claim 1, wherein: the guide beam fixing frame system comprises frame columns, frame longitudinal beams, frame transverse beams and guide beams, wherein the frame longitudinal beams are fixedly connected to the frame columns, frame diagonal braces are fixedly connected between the frame columns and the frame longitudinal beams, frame diagonal braces are fixedly connected between the frame columns and the frame transverse beams, the guide beams are fixed to the frame transverse beams, and the guide beams are fixedly connected with the guide grooves.
4. A large diameter round steel pipe inclined section cutting blanking preparation device according to claim 3, characterized in that: and a guide beam base plate is arranged between the frame cross beam and the guide beam, and guide beam fixing bolts are arranged between the frame cross beam, the guide beam base plate and the guide beam.
5. A large diameter round steel pipe inclined section cutting blanking preparation device according to claim 3, characterized in that: the bottom of frame post is equipped with frame adjusting screw assembly, frame adjusting screw assembly includes frame screw and frame screw backing plate, the frame screw backing plate is located the bottom of frame screw, the frame screw is located the bottom of frame post, the frame screw is equipped with frame screw adjusting nut, the bottom upper and lower surface of frame post all chucking has frame screw adjusting nut.
6. A large diameter round steel pipe inclined section cutting blanking preparation device according to claim 3, characterized in that: the cutting system comprises a cutting torch, a cutting nozzle and a cutting torch anchor ear, wherein the cutting torch is connected with an external cutting gas hose, the cutting torch anchor ear is provided with a cutting torch anchor ear clamping bolt, and a cutting torch fixing bolt is arranged between the cutting torch anchor ear and the cutting torch positioning assembly.
7. A preparation method based on the large-diameter round steel pipe inclined section cutting blanking preparation device as claimed in claim 6, which is characterized by comprising the following steps: a. designing a cutting device according to the round steel pipe to be cut and finishing the machining; b. Processing an annular guide plate: firstly, designing an annular guide plate according to a cutting line, wherein the annular guide plate is matched with a cutting torch horizontal synchronizer; c. respectively placing a group of round steel tube positioning and rotating systems on two sides of the cutting line according to the design position; d. And (3) mounting an annular guide plate: firstly, measuring a round steel pipe to be cut, marking a cutting line on the round steel pipe to be cut according to a designed position, simultaneously marking a fixed position of an annular guide plate on the round steel pipe to be cut, arranging a plane of the cutting line and the annular guide plate in parallel, loading the annular guide plate at a mark position of the annular guide plate on the round steel pipe to be cut, and spot-welding and fixing the annular guide plate and the round steel pipe to be cut; e. Assembling a guide beam fixing frame system; f. Assembling a cutting guide system: 1) The guide groove horizontal and the guide beam fixed frame system are fixedly connected through guide groove fixing bolts; 2) Firstly, smearing lubricating oil on the outer surface of a guide rod and the inside of a guide groove, and then placing the guide rod into the guide groove; 3) Fixing the cutting torch positioning assembly to the end of the guide rod by using a guide rod fixing bolt; 4) Fixing the cutting torch horizontal synchronizer and the cutting torch positioning assembly by adopting a cutting torch horizontal synchronizer fixing bolt, wherein the cutting torch horizontal synchronizer idler wheels are symmetrically arranged on two sides of the annular guide plate, the cutting torch horizontal synchronizer idler wheels are parallel to the annular guide plate, a gap between a cutting torch horizontal synchronizer support plate and the top of the annular guide plate meets the design specification requirement of the device, the elevation of the cutting torch positioning assembly is adjusted to the design specification position of the device by rotating a vertical positioning adjusting rod, the inclination angle of the cutting torch horizontal synchronizer is adjusted by the elastic action of the cutting torch horizontal synchronizer fixing bolt, and the included angle between the cutting torch horizontal synchronizer and the horizontal plane is equal to the included angle between the cutting line and the horizontal plane; g. assembling a cutting system, wherein the cutting system is fixedly connected to the end part of the cutting torch positioning assembly through a cutting torch fixing bolt; h. Cutting and adjusting: 1) Adjusting the horizontal X-axis direction position of the cutting torch positioning assembly to the design position of the device by rotating the horizontal positioning adjusting rod; 2) The cutting torch anchor ear and the cutting torch are convenient to move relatively through unscrewing of the cutting torch fixing bolt and the cutting torch anchor ear clamping bolt, the distance between the cutting nozzle and the cutting line is accurately adjusted through the movement of the cutting torch relative to the cutting torch anchor ear to meet the cutting technical requirement, the inclination angle of the cutting nozzle is matched with the cutting surface angle of the round steel pipe wall, and then the cutting torch fixing bolt and the cutting torch anchor ear clamping bolt are screwed, so that the working state of a cutting system is always kept in the design technical state; i. Cutting a round steel tube to be cut: connecting the cutting system with an external cutting gas hose, conveying cutting gas, igniting the cutting gas, adjusting the pressure and speed of the cutting gas, starting a round steel tube positioning and rotating system, and rotating the round steel tube to be cut for cutting; j. after the round steel pipe is cut, the annular guide plate is removed, and then the cut finished product section is polished and trimmed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363775.XA CN109175599B (en) | 2018-11-16 | 2018-11-16 | Large-diameter round steel pipe inclined section cutting and blanking preparation device and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363775.XA CN109175599B (en) | 2018-11-16 | 2018-11-16 | Large-diameter round steel pipe inclined section cutting and blanking preparation device and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109175599A CN109175599A (en) | 2019-01-11 |
| CN109175599B true CN109175599B (en) | 2023-09-26 |
Family
ID=64940139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811363775.XA Active CN109175599B (en) | 2018-11-16 | 2018-11-16 | Large-diameter round steel pipe inclined section cutting and blanking preparation device and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109175599B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3975003A (en) * | 1973-11-19 | 1976-08-17 | Buford Wesley E | Torch type pipe cutter |
| US4384901A (en) * | 1981-12-22 | 1983-05-24 | Lame, Inc. | Method and apparatus for cutting and beveling pipe |
| CN101246362A (en) * | 2007-02-12 | 2008-08-20 | 天津中德职业技术学院 | Bi-dimensional pipe interface angle cutting control device |
| CN102554399A (en) * | 2012-03-05 | 2012-07-11 | 天津市盛金康科技发展有限公司 | Three-dimensional linkage pipe beveling device |
| CN103433591A (en) * | 2013-08-15 | 2013-12-11 | 北京大合兄弟科技发展有限公司 | Portable unlimited rotary numerical control beveled opening pipe cutting machine and beveled opening processing method |
| CN207026692U (en) * | 2017-07-17 | 2018-02-23 | 常州工程职业技术学院 | A kind of multi-functional flame cutting machine |
| CN208067528U (en) * | 2018-04-18 | 2018-11-09 | 雅安市智力机械设备有限责任公司 | A kind of chamfering device suitable for different small-bore pipelines |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209125081U (en) * | 2018-11-16 | 2019-07-19 | 浙江中南建设集团钢结构有限公司 | A kind of large-diameter circular steel pipe oblique section cutting stock preparation facilities |
-
2018
- 2018-11-16 CN CN201811363775.XA patent/CN109175599B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3975003A (en) * | 1973-11-19 | 1976-08-17 | Buford Wesley E | Torch type pipe cutter |
| US4384901A (en) * | 1981-12-22 | 1983-05-24 | Lame, Inc. | Method and apparatus for cutting and beveling pipe |
| CN101246362A (en) * | 2007-02-12 | 2008-08-20 | 天津中德职业技术学院 | Bi-dimensional pipe interface angle cutting control device |
| CN102554399A (en) * | 2012-03-05 | 2012-07-11 | 天津市盛金康科技发展有限公司 | Three-dimensional linkage pipe beveling device |
| CN103433591A (en) * | 2013-08-15 | 2013-12-11 | 北京大合兄弟科技发展有限公司 | Portable unlimited rotary numerical control beveled opening pipe cutting machine and beveled opening processing method |
| CN207026692U (en) * | 2017-07-17 | 2018-02-23 | 常州工程职业技术学院 | A kind of multi-functional flame cutting machine |
| CN208067528U (en) * | 2018-04-18 | 2018-11-09 | 雅安市智力机械设备有限责任公司 | A kind of chamfering device suitable for different small-bore pipelines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109175599A (en) | 2019-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2127332A (en) | Nc bed-type machine tool system | |
| CN113523317B (en) | Cleaning device and cleaning method for large-scale shielding main pump sealing ring | |
| CN113714330A (en) | Fifteen-roller middle plate straightener with adjustable roll gap distance and operation method thereof | |
| CN109175599B (en) | Large-diameter round steel pipe inclined section cutting and blanking preparation device and preparation method thereof | |
| CN109958132B (en) | Concrete grouting equipment for building construction and operation method thereof | |
| CN107511623A (en) | Oxygen Lance Nozzle for Converter replacing options and its special purpose device | |
| CN209125081U (en) | A kind of large-diameter circular steel pipe oblique section cutting stock preparation facilities | |
| CN202278042U (en) | Adjustable hydraulic straightening device | |
| CN107825041B (en) | Ship body base surface reversible deformation adjusting method | |
| CN112427846A (en) | Double-head automatic welding special machine for welding branch beam of main beam of heliostat support | |
| CN202356765U (en) | Gas cutting tool | |
| CN208787988U (en) | A kind of fixed length infeed set-up for composite metal plate processing | |
| CN104786002B (en) | The method for maintaining and device in gantry crane pivoting support portion | |
| CN115847024A (en) | Manufacturing process of large-span gate | |
| CN113664415B (en) | Auxiliary butt joint device and method for butt welding of pipes | |
| CN114289961B (en) | Gantry welding platform | |
| CN214211036U (en) | Automatic paint spraying machine for bearing mounting hole | |
| CN112008406B (en) | Assembling, welding and shape-righting integrated device for H-shaped steel component and manufacturing method thereof | |
| CN210499239U (en) | Workpiece supporting device for machine tool | |
| CN212885612U (en) | Machining device for circular arc weld groove of steel plate of wind power tower cylinder | |
| CN112916928A (en) | Slotting device for aluminum veneer and aluminum veneer production process using same | |
| CN216441884U (en) | Assembly machine is used in steel construction processing with limit function | |
| CN201760725U (en) | Fixture-type movable jig frame | |
| CN219522502U (en) | Concrete curing device | |
| CN217596261U (en) | Supplementary cutting device of segmentation material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 311400 No.18, Changkou East Street, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Zhongnan Lvjian Technology Group Co.,Ltd. Address before: No.245, BINKANG Road, Binjiang District, Hangzhou City, Zhejiang Province 310052 Applicant before: ZHEJIANG ZHONGNAN CONSTRUCTION GROUP STEEL STRUCTURE Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |