CN220533318U - Pressure steel pipe welding seam heating device - Google Patents
Pressure steel pipe welding seam heating device Download PDFInfo
- Publication number
- CN220533318U CN220533318U CN202322036070.XU CN202322036070U CN220533318U CN 220533318 U CN220533318 U CN 220533318U CN 202322036070 U CN202322036070 U CN 202322036070U CN 220533318 U CN220533318 U CN 220533318U
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- steel pipe
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- arc
- pressure steel
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 59
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 238000003466 welding Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- General Induction Heating (AREA)
Abstract
The utility model discloses a pressure steel pipe welding seam heating device, which relates to the technical field of steel pipe welding, and comprises a heating belt and fixing plates, wherein a plurality of fixing plates are distributed on the inner side of the heating belt in an annular array, and are fixedly connected with the inner side of the heating belt; the inside of a plurality of equal movable sleeve of fixed plate is equipped with the threaded rod, the fixed clamp splice that is provided with in outside one end of threaded rod, the cavity has been seted up to the inside of heating band, the inside of cavity and with a plurality of the position that the threaded rod corresponds all rotates and is provided with the internal thread pipe, a plurality of the inside of corresponding internal thread pipe is located to the equal thread bush of one end of threaded rod, square hole has been seted up to the upper end of threaded rod, square hole's inside slip is provided with square rod, the one end and the inner wall fixed connection of cavity of square rod. The utility model can fix the device and the steel pipe efficiently and conveniently and can greatly improve the working efficiency.
Description
Technical Field
The utility model relates to the technical field of steel pipe welding, in particular to a pressure steel pipe welding seam heating device.
Background
When two pressure steel pipes are welded in a butt joint mode, the annular joint is required to be heated, and the traditional operation method is that a plurality of crawler-type heating plates are placed at the joint of the welding seams, and the plurality of heating plates are located in the joint in an annular mode. The problems are that the diameter of the circular seam is larger, a large number of heating plates are required to be paved to form an annular heating layer, the paving and installing workload is large, the labor intensity is high, and the paving and installing efficiency is low; each heating plate is provided with two outgoing lines which are connected with a high-frequency high-voltage power line, and the outgoing lines are too many and are easy to be confused and short-circuited; gaps among the independently spliced heating plates are not easy to control, heating is asynchronous, temperature is uneven, and welding effect is affected; the traditional heating plate belongs to a heat transfer mode, and heat loss is extremely high, so that the heating electricity cost is high.
The utility model discloses a pressure steel pipe welding seam heating device, wherein, bulletin number CN208713192U discloses a pressure steel pipe welding seam heating device, and it includes heating band, fixed plate and fire prevention cloth, and the heating band is annular, and peripheral parcel fire prevention cloth hugs closely in two butt joint's steel pipe seam crossing, fastens on the steel pipe wall through the fixed plate, introduces high frequency high voltage current through the power cord of heating band, produces the magnetic field, makes the inside vortex that forms of steel pipe, reaches the effect that the steel pipe risees up fast, still has the defect in this technical scheme:
when fixing heating band and steel pipe among this technical scheme, need rotate a plurality of bolts one by one for a plurality of fasteners offset with the steel pipe, higher process complex operation wastes time and energy, very influences work efficiency.
Disclosure of Invention
The present utility model has been made in view of the above-mentioned problems with the conventional pressure steel pipe weld joint heating apparatus.
Therefore, the utility model aims to provide the pressure steel pipe welding seam heating device, which solves the problems that when a heating belt and a steel pipe are fixed in the pressure steel pipe welding seam heating device in the prior art, a plurality of bolts need to be rotated one by one, so that a plurality of fasteners are abutted against the steel pipe, the operation of a higher process is complicated, the time and the labor are wasted, and the working efficiency is very influenced.
In order to achieve the above object, the present utility model provides the following technical solutions:
the pressure steel pipe welding seam heating device comprises a heating belt and fixing plates, wherein a plurality of fixing plates are distributed on the inner side of the heating belt in an annular array manner, and the fixing plates are fixedly connected with the inner side of the heating belt;
the inside of a plurality of fixed plates is movably sleeved with a threaded rod, one end of the outer side of the threaded rod is fixedly provided with a clamping block, the inside of the heating belt is provided with a cavity, the inside of the cavity and the positions corresponding to a plurality of threaded rods are respectively provided with an internal threaded pipe in a rotating mode, one ends of the threaded rods are respectively sleeved with the inside of the corresponding internal threaded pipes in a threaded mode, the upper end of the threaded rod is provided with a square hole, a square rod is arranged in the square hole in a sliding mode, and one end of the square rod is fixedly connected with the inner wall of the cavity;
the inside of cavity is provided with the drive mechanism that drives a plurality of internal thread pipe rotation.
Preferably, the transmission mechanism comprises a gear and an arc-shaped rack, the gears are fixedly sleeved on the outer walls of the corresponding internal thread pipes, the arc-shaped rack is slidably arranged in the cavity, and the arc-shaped rack is in meshed connection with the gears.
Preferably, through holes are formed in two ends of the heating belt, one end of the arc-shaped rack penetrates through the two through holes, a bolt is sleeved on one end of the heating belt in a threaded mode, and one end of the bolt extends to the inside of the cavity and is in threaded connection with one end of the arc-shaped rack.
Preferably, one end of the outer side of the bolt is fixedly sleeved with a rotating wheel.
Preferably, the longitudinal sections of the arc-shaped racks and the through holes are square.
Preferably, the arc-shaped rack is made of rubber materials.
In the technical scheme, the utility model has the technical effects and advantages that:
according to the utility model, the arc-shaped rack is pulled to slide in the cavity, so that the plurality of gears can be driven to rotate simultaneously, and then the plurality of internal thread pipes can be driven to rotate, the internal thread pipes drive the threaded rod which is limited by the square rod and cannot rotate to move, namely the plurality of clamping blocks can be driven to move, so that the plurality of clamping blocks clamp and limit the steel pipe, the operation is convenient, time and labor are saved, and the working efficiency can be greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic structural view of a pressure steel pipe weld joint heating device according to the present utility model;
FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;
fig. 3 is a perspective view of a connection structure of the square rod and the screw rod in fig. 2.
Reference numerals illustrate:
1. a heating belt; 2. a fixing plate; 3. a threaded rod; 4. clamping blocks; 5. an internally threaded tube; 6. square rods; 7. a gear; 8. an arc-shaped rack; 9. and (5) a bolt.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a pressure steel pipe welding seam heating device.
Referring to fig. 1-3, a pressure steel pipe welding seam heating device comprises a heating belt 1 and a plurality of fixing plates 2, wherein the fixing plates 2 are distributed on the inner side of the heating belt 1 in an annular array, and the fixing plates 2 are fixedly connected with the inner side of the heating belt 1;
the inside of the plurality of fixing plates 2 is movably sleeved with a threaded rod 3, one end of the outer side of the threaded rod 3 is fixedly provided with a clamping block 4, the inside of the heating belt 1 is provided with a cavity, the inside of the cavity is provided with an internal threaded pipe 5 in a rotating mode at the position corresponding to the plurality of threaded rods 3, one ends of the plurality of threaded rods 3 are sleeved with the corresponding internal threaded pipe 5 in a threaded mode, the upper end of the threaded rod 3 is provided with a square hole, the inside of the square hole is provided with a square rod 6 in a sliding mode, and one end of the square rod 6 is fixedly connected with the inner wall of the cavity;
a transmission mechanism for driving the plurality of internal thread pipes 5 to rotate is arranged in the cavity.
The transmission mechanism comprises a gear 7 and an arc-shaped rack 8, the gears 7 are fixedly sleeved on the outer wall of the corresponding internal thread pipe 5, the arc-shaped rack 8 is slidably arranged in the cavity, and the arc-shaped rack 8 is in meshed connection with the gears 7.
Through holes are formed in two ends of the heating belt 1, one end of the arc-shaped rack 8 penetrates through the two through holes, a bolt 9 is sleeved on one end of the heating belt 1 in a threaded mode, one end of the bolt 9 extends to the inside of the cavity and is in threaded connection with one end of the arc-shaped rack 8, and limiting of the arc-shaped rack 8 is facilitated.
The outer side one end of the bolt 9 is fixedly sleeved with a rotating wheel, so that the bolt 9 can be conveniently rotated.
The longitudinal sections of the arc-shaped rack 8 and the through hole are square, so that the rack 8 can stably slide in the cavity.
The arc-shaped rack 8 is made of rubber materials, and is convenient to deform along with the heating belt 1.
In the utility model, when the steel pipe welding seam heating device is used, the heating belt 1 is sleeved outside the steel pipe welding seam, and then the arc-shaped rack 8 is pulled, so that the arc-shaped rack 8 slides in the cavity, namely, the plurality of gears 7 can be simultaneously driven to rotate, and then the plurality of internal thread pipes 5 can be driven to rotate, the internal thread pipes 5 drive the threaded rod 3 which is limited by the square rod 6 and can not rotate to move, namely, the plurality of clamping blocks 4 can be driven to move, the plurality of clamping blocks 4 clamp and limit the steel pipe, the operation is convenient, the time and the labor are saved, and the working efficiency can be greatly improved.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. The welding seam heating device for the pressure steel pipe comprises a heating belt (1) and fixing plates (2), and is characterized in that a plurality of fixing plates (2) are distributed on the inner side of the heating belt (1) in an annular array, and the fixing plates (2) are fixedly connected with the inner side of the heating belt (1);
the inside of a plurality of fixed plates (2) is movably sleeved with a threaded rod (3), one end of the outer side of the threaded rod (3) is fixedly provided with a clamping block (4), a cavity is formed in the heating belt (1), an inner threaded pipe (5) is arranged in the cavity in a rotating mode at positions corresponding to the threaded rods (3), one ends of the threaded rods (3) are sleeved in the corresponding inner threaded pipe (5) in a threaded mode, square holes are formed in the upper ends of the threaded rods (3), square rods (6) are arranged in the square holes in a sliding mode, and one ends of the square rods (6) are fixedly connected with the inner wall of the cavity;
the inside of the cavity is provided with a transmission mechanism for driving a plurality of internal thread pipes (5) to rotate.
2. A pressure steel pipe weld joint heating device according to claim 1, wherein the transmission mechanism comprises gears (7) and arc racks (8), the gears (7) are fixedly sleeved on the outer walls of the corresponding internally threaded pipes (5), the arc racks (8) are slidably arranged in the cavities, and the arc racks (8) are in meshed connection with the gears (7).
3. A pressure steel pipe weld joint heating device according to claim 2, wherein through holes are formed in two ends of the heating belt (1), one end of the arc-shaped rack (8) penetrates through the two through holes, a bolt (9) is sleeved on one end of the heating belt (1) in a threaded manner, and one end of the bolt (9) extends to the inside of the cavity and is in threaded connection with one end of the arc-shaped rack (8).
4. A pressure steel pipe weld joint heating apparatus according to claim 3, characterized in that the outer end of the bolt (9) is fixedly sleeved with a runner.
5. A pressure steel pipe weld joint heating device according to claim 2, characterized in that the longitudinal sections of the arc-shaped rack (8) and the through hole are square.
6. A pressure steel pipe weld joint heating device according to claim 2, characterized in that the arc-shaped rack (8) is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322036070.XU CN220533318U (en) | 2023-07-31 | 2023-07-31 | Pressure steel pipe welding seam heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322036070.XU CN220533318U (en) | 2023-07-31 | 2023-07-31 | Pressure steel pipe welding seam heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220533318U true CN220533318U (en) | 2024-02-27 |
Family
ID=89970821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322036070.XU Active CN220533318U (en) | 2023-07-31 | 2023-07-31 | Pressure steel pipe welding seam heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220533318U (en) |
-
2023
- 2023-07-31 CN CN202322036070.XU patent/CN220533318U/en active Active
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