CN111299780A

CN111299780A - Large-scale pressure vessel trompil groove all-in-one

Info

Publication number: CN111299780A
Application number: CN201911214503.8A
Authority: CN
Inventors: 胡效东; 郑士琳; 刘晓彤; 赵同喜; 齐鹏飞; 韩晓
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-06-19

Abstract

The invention discloses a large-scale pressure vessel opening and beveling integrated machine which comprises a rectangular frame, a cylindrical wall, a plasma cutting head, a fixing block, a rocker, a positioning groove, a positioning rod, a motor and a support. The invention has the beneficial effects that: the motor drives the rocker and rotates, the cylinder wall is being laminated all the time to the rectangle frame in the rotation process, the plasma cutting head is towards the rotation axis all the time, the angle can be adjusted, the groove of the various angles of workable, the locating rod can adjusting position on the rocker, can cut the hole of different diameters, and the operation is simple, convenient and fast, and the groove machining quality is high, and has characteristics small-size, portable, the easy operation, can carry out the small batch processing production of singleton, the round hole that has standard groove of cutting out that can be simple quick.

Description

Large-scale pressure vessel trompil groove all-in-one

Technical Field

The invention relates to a cutting and perforating device, in particular to a large-scale pressure vessel perforating and beveling integrated machine, and belongs to the technical field of plasma cutting at an intersecting line of a pressure vessel.

Background

The circular hole is cut on the wall of the pressure container cylinder mainly by adopting manual plasma cutting and intersecting line plasma cutting, wherein the manual cutting is common, the manual cutting needs to firstly hoist the connecting pipe needing to be welded on the wall of the pressure container cylinder for drawing a line, then the handheld plasma cutting head cuts along the line, the cuts are uneven, the angle of the groove cannot be ensured, the cutting opening needs to be polished in the later stage, the time and the labor are wasted, and the economical efficiency is lower. Because the cutting opening is uneven, the groove root clearance is different when welding, the welding material that the place that the root clearance is big needs to be filled is more, because the difference of welding material content of welding seam department, thereby influenced welding quality, and intersecting wire cutting machine cost is high, area occupied is big, can only cut the drum that the diameter is than littleer, add the whole clamp of drum on the chuck of one side during processing, it is inconvenient to operate, and need high level programming operating personnel, based on this, this application provides a large-scale pressure vessel trompil groove all-in-one.

Disclosure of Invention

The invention aims to solve the problems and provide an integrated machine for drilling and beveling a large pressure vessel.

The invention realizes the purpose through the following technical scheme: a large-scale pressure vessel trompil groove all-in-one machine comprises a rectangular frame, a cylinder wall, a plasma cutting head, a fixed block, a rocker, a positioning groove, a positioning rod, a motor and a bracket; the rectangular frame is horizontally placed on the cylinder wall, the plasma cutting head is arranged on the rectangular frame, the rectangular frame is connected with a fixed block through a universal shaft mechanism, the fixed block is arranged above the rectangular frame, and passes through a through groove arranged in the middle of the rocker, one end of the rocker is connected with a rotating shaft of the motor, and the rocker can move up and down on the rotating shaft, and is always kept in a downward pressing state to ensure that the rectangular frame can always be attached to the cylinder wall, the positioning rod is inserted in a through groove arranged in the middle of the rocker, the bottom end of the positioning rod is arranged in a positioning groove which is arranged right above a cutting point of the plasma cutting head, the motor is fixedly arranged on the upper plate surface of the bracket, and the rotating shaft of the motor penetrates through the bracket and is positioned below the bracket, the motor is electrically connected with the external power supply, and the bracket is arranged right above the cylinder wall.

As a further scheme of the invention: the positioning rod is vertically arranged on the rocker and is movably arranged up and down.

As a further scheme of the invention: the positioning rod and the plasma cutting head are in the same vertical direction.

As a further scheme of the invention: the rocker and the rotating shaft of the motor rotate synchronously, and the rectangular frame is always attached to the cylinder wall in the rotating process.

The invention has the beneficial effects that: this large-scale pressure vessel trompil groove all-in-one reasonable in design, the motor drives the rocker and rotates, the cylinder wall is being laminated all the time to the rectangle frame in the rotation process, the plasma cutting head is towards the rotation axis all the time, the angle can be adjusted, the groove of the various angles of workable, the locating rod can adjusting position on the rocker, can cut the hole of different diameters, the operation is simple, high convenience and fastness, and the groove machining quality is high, it is small-size to have, it is portable, the characteristics of easy operation, can carry out the small batch processing production of singleton, the round hole that has standard groove of cutting out that can be simple.

Drawings

FIG. 1 is a schematic view of a cutting site according to the present invention;

fig. 2 is a schematic view of the overall structure of the present invention.

In the figure: 1. rectangle frame, 2, cylinder wall, 3, plasma cutting head, 4, fixed block, 5, rocker, 6, constant head tank, 7, location stick, 8, motor and 9, support.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an integrated machine for opening and beveling a large-sized pressure vessel comprises a rectangular frame 1, a cylindrical wall 2, a plasma cutting head 3, a fixed block 4, a rocker 5, a positioning groove 6, a positioning rod 7, a motor 8 and a bracket 9; the plasma cutting machine is characterized in that the rectangular frame 1 is horizontally placed on the cylindrical wall 2, the plasma cutting head 3 is installed on the rectangular frame 1, the rectangular frame 1 is connected with the fixed block 4 through a universal shaft mechanism, the fixed block 4 is arranged above the rectangular frame 1 and penetrates through a through groove formed in the middle of the rocker 5, one end of the rocker 5 is connected with a rotating shaft of the motor 8, the rocker 5 can move up and down on the rotating shaft and is always kept in a downward pressing state, the rectangular frame 1 can be always attached to the cylindrical wall 2, the positioning rod 7 is inserted into the through groove formed in the middle of the rocker 5, the bottom end of the positioning rod 7 is placed in the positioning groove 6, the positioning groove 6 is installed right above a cutting point of the plasma cutting head 3, the motor 8 is fixedly installed on the upper plate surface of the support 9, and the rotating shaft of the motor 8 penetrates through the support 9 and is located below the support 9, the motor 8 is electrically connected with an external power supply, and the bracket 9 is arranged right above the cylinder wall 2.

Furthermore, in the embodiment of the present invention, the positioning rod 7 is vertically installed on the rocking bar 5, and the positioning rod 7 is movably installed up and down, so as to fix the horizontal displacement of the rectangular frame 1, and cut holes with different diameters.

Further, in the embodiment of the invention, the positioning rod 7 and the plasma cutting head 3 are in the same vertical direction, and the positioning rod 7 is fixed on the rocker 5, so that the distance from the plasma cutting head 3 to the rotating shaft is controlled.

Furthermore, in the embodiment of the invention, the rocker 5 and the rotating shaft of the motor 8 rotate synchronously, and the rectangular frame 1 is always attached to the cylinder wall 2 in the rotating process, so that the plasma cutting head 3 always faces the rotating shaft, the angle can be adjusted, and grooves with various angles can be processed.

The working principle is as follows: when using this large-scale pressure vessel trompil groove all-in-one, motor 8 drives rocker 5 and rotates, rectangle frame 1 crouches on cylinder wall 2, plasma cutting head 3 is installed on the rectangle frame, be connected with fixed block 4 through universal shaft mechanism, the fixed block can have at 5 ascending displacements of rocker, install an annular constant head tank 6 directly over the cutting head cutting point, location stick 7 is vertical to be installed on rocker 5, the displacement of fixed horizontal direction, can have upper and lower displacement, lower extreme and constant head tank 6 contact, thereby realized location stick 7 to whole rectangle frame 1's location, the location to the cutting head has been realized.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a large-scale pressure vessel trompil groove all-in-one which characterized in that: comprises a rectangular frame (1), a cylindrical wall (2), a plasma cutting head (3), a fixed block (4), a rocker (5), a positioning groove (6), a positioning rod (7), a motor (8) and a bracket (9); the plasma cutting machine is characterized in that the rectangular frame (1) is horizontally placed on the cylindrical wall (2), the plasma cutting head (3) is installed on the rectangular frame (1), the rectangular frame (1) is connected with the fixing block (4) through a universal shaft mechanism, the fixing block (4) is arranged above the rectangular frame (1) and penetrates through a through groove formed in the middle of the rocker (5), one end of the rocker (5) is connected with a rotating shaft of the motor (8), the rocker (5) can move up and down on the rotating shaft and is always kept in a downward pressing state, the rectangular frame (1) is guaranteed to be always attached to the cylindrical wall (2), the positioning rod (7) is inserted into the through groove formed in the middle of the rocker (5), the bottom end of the positioning rod (7) is placed in the positioning groove (6), and the positioning groove (6) is installed right above a cutting point of the plasma cutting head (3), motor (8) fixed mounting is at the last face of support (9), just the axis of rotation of motor (8) passes support (9) and is located the below of support (9), motor (8) are electric connection with external power supply, support (9) set up directly over cylinder wall (2).

2. The large-scale pressure vessel tapping and beveling all-in-one machine of claim 1, which is characterized in that: the positioning rod (7) is vertically arranged on the rocker (5), and the positioning rod (7) is arranged in a vertically moving mode.

3. The large-scale pressure vessel tapping and beveling all-in-one machine of claim 1, which is characterized in that: the positioning rod (7) and the plasma cutting head (3) are in the same vertical direction.

4. The large-scale pressure vessel tapping and beveling all-in-one machine of claim 1, which is characterized in that: the rocker (5) and the rotating shaft of the motor (8) rotate synchronously, and the rectangular frame (1) is always attached to the cylinder wall (2) in the rotating process.