CN211570715U

CN211570715U - Longitudinal submerged arc welded pipe induction heating device

Info

Publication number: CN211570715U
Application number: CN201922195051.5U
Authority: CN
Inventors: 贺东良; 秦灵格
Original assignee: Hebei Qintian Pipe Industry Co ltd
Current assignee: Hebei Qintian Pipe Industry Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-25
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a longitudinal submerged arc welded pipe induction heating device in the technical field of welded pipes, two groups of telescopic links with the same structure are arranged at the front side and the rear side of the center of the bottom of a frame body, the bottom of the telescopic links is movably inserted at the top of a fixed rod, two groups of rotating connecting pieces with the same structure are symmetrically arranged at the left side and the right side of the top of the telescopic links, an electric telescopic link extending outwards is arranged at the movable end part of the rotating connecting piece, an auxiliary wheel is arranged at the extending end part of the electric telescopic link, two groups of limit blocks matched with the electric telescopic links are symmetrically arranged at the two sides of the bottom of the frame body, the device is placed into the welded pipe in the heat treatment process, the height of the frame body can be conveniently adjusted through the telescopic links and the fixed rod, so as to adapt to the welded pipes with different diameters, and, and the heat of the welded pipe at the heat treatment welding position can be uniformly diffused by rotating and heating.

Description

Longitudinal submerged arc welded pipe induction heating device

Technical Field

The utility model relates to a welded tube technical field specifically is a transversal joint submerged arc welded tube induction heating device.

Background

The longitudinal submerged arc welded pipe is widely applied to domestic heavy steel structure engineering, fluid pipeline engineering and foundation piling engineering, the production process of the longitudinal submerged arc welded pipe is flexible and can produce any specification and wall thickness within a range, and the production efficiency is lower than that of high-frequency longitudinal welded steel pipes and spiral welded steel pipes. The longitudinal submerged arc welded pipe has the greatest advantages that the longitudinal submerged arc welded pipe can be produced into specifications and models which cannot be produced by high-frequency steel pipes, spiral steel pipes and even seamless steel pipes, the production cost of the longitudinal submerged arc welded pipe is higher than that of the high-frequency steel pipes and the spiral steel pipes, but the longitudinal submerged arc welded pipe is more favorable than that of the seamless steel pipes in price and has a larger space, in a general welded pipe induction heat treatment process, an induction coil is arranged right above a weld, heat treatment is carried out on a large-diameter thick-wall welded pipe, the surface temperature is easy to be uneven, and the longitudinal submerged arc welded pipe induction heating device is complex in moving.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transversal joint submerged arc welded pipe induction heating device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a longitudinal submerged arc welded pipe induction heating device comprises a frame body, wherein two groups of telescopic rods with the same structure are installed on the front side and the rear side of the center of the bottom of the frame body, the bottoms of the telescopic rods are movably inserted into the top of a fixed rod, two groups of rotary connecting pieces with the same structure are symmetrically installed on the left side and the right side of the top of each telescopic rod, an electric telescopic rod extending outwards is installed on the movable end portion of each rotary connecting piece, auxiliary wheels are installed on the extending end portions of the electric telescopic rods, two groups of limiting blocks matched with the electric telescopic rods are symmetrically installed on the two sides of the bottom of the frame body, two groups of linear bearings with the same structure are installed on the two sides of the top of the frame body, an operation table is installed at the tops of the linear bearings, a rack plate is installed on the outer wall of the right side of, and the double-shaft motor is installed on the right side outer wall of the operation table through the guard circle, the action wheel has been cup jointed on the top power shaft lever of double-shaft motor, be connected with from the driving wheel through the belt on the outer wall of action wheel, and cup joint on the outer wall of auxiliary shaft lever from the driving wheel, and the bottom of auxiliary shaft lever is pegged graft in the top center department of revolving stage, and the revolving stage passes through the bearing and is connected with the top of operation table, and the top fixed mounting of auxiliary shaft lever has the hot plate, and the top of hot plate is passed through the coil groove and is installed.

Preferably, the side wall of the fixed rod is inserted with a fixed bolt, and the side wall of the telescopic rod is uniformly provided with screw holes matched with the fixed bolt in size.

Preferably, the bottom of the fixed rod is provided with a trapezoidal fixed block, the bottom of the trapezoidal fixed block is an arc surface, and the bottom surface of the arc surface of the fixed block is uniformly bonded with rubber gaskets.

Preferably, the rotating connecting piece comprises a rotating shaft rod connected with the inner wall of the telescopic rod, a round connecting piece is installed on the rotating shaft rod, and the extending end part of the round connecting piece is connected with the tail part of the electric telescopic rod.

Preferably, the limiting block comprises a limiting plate connected with the bottom of the frame body, a rubber transverse plate is bonded to the bottom of the limiting plate, and the rubber transverse plate is attached to the fixed outer wall of the electric telescopic rod.

Preferably, the top of the heating plate is an arc surface.

Compared with the prior art, the beneficial effects of the utility model are that: the device is put into the welded tube in the heat treatment process, can conveniently adjust the height of support body through telescopic link and dead lever to this adapts to the welded tube of diameter variation in size, and through the meshing of walking gear and rack plate, also makes the heat treatment structure remove conveniently, and through the mode of rotating the heating, can make the welded tube at the even diffusion of heat treatment weld, makes to be heated evenly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the frame structure of the present invention.

In the figure: the device comprises a frame body 1, a telescopic rod 2, a fixed rod 3, a rotary connecting piece 4, an electric telescopic rod 5, an auxiliary wheel 6, a limiting block 7, a linear bearing 8, an operation table 9, a double-shaft motor 10, a walking gear 11, a rack plate 12, a driving wheel 13, a belt 14, a driven wheel 15, a turntable 16, a heating plate 17 and a coil 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an induction heating device for a longitudinal submerged arc welded pipe comprises a frame body 1, wherein two groups of telescopic rods 2 with the same structure are arranged on the front side and the rear side of the center of the bottom of the frame body 1, the bottoms of the telescopic rods 2 are movably inserted at the tops of fixed rods 3, the height of the frame body 1 is conveniently adjusted, so that the induction heating device is suitable for submerged arc welded pipes with different diameters, two groups of rotary connecting pieces 4 with the same structure are symmetrically arranged on the left side and the right side of the top of each telescopic rod 2, electric telescopic rods 5 extending outwards are arranged on the movable end portions of the rotary connecting pieces 4, the inclination angle of each electric telescopic rod 5 can be adjusted according to the different diameters of the submerged arc welded pipes, so that the whole device has stability, auxiliary wheels 6 are arranged on the extending end portions of the electric telescopic rods 5, the frame body 1 is convenient to move, two groups of linear bearings 8 with the same structure are installed on two sides of the top of a frame body 1, an operation table 9 is installed on the top of each linear bearing 8, a rack plate 12 is installed on the outer wall of the right side of the frame body 1, the surface of the rack plate 12 is meshed with a walking gear 11 through a rack, the walking gear 11 is sleeved on a bottom power shaft lever of a double-shaft motor 10, the double-shaft motor 10 is installed on the outer wall of the right side of the operation table 9 through a protection ring, a driving wheel 13 is sleeved on the top power shaft lever of the double-shaft motor 10, the outer wall of the driving wheel 13 is connected with a driven wheel 15 through a belt 14, the driven wheel 15 is sleeved on the outer wall of an auxiliary shaft lever, the bottom of the auxiliary shaft lever is inserted in the center of the top of a rotary table 16, the rotary table 16 is connected with the top of the operation table 9 through a bearing, a, the coil 18 generates heat to heat the welding position of the submerged arc welding pipe, and the rotary table 16 can rotate, so that the welding position is uniformly heated in the heating operation, the working efficiency is improved, and in the whole device, the electric telescopic rod 5, the double-shaft motor 10 and the coil are all connected with a power supply (not shown in the figure) through a power supply wire.

Wherein, the side wall of the fixed rod 3 is inserted with a fixed bolt, and the side wall of the telescopic rod 2 is evenly provided with a screw hole matched with the fixed bolt in size, the bottom of the fixed rod 3 is provided with a trapezoidal fixed block, which is convenient for the height adjustment of the frame body 1 through the insertion and extraction operation of the fixed bolt, the bottom of the trapezoidal fixed block is a cambered surface, the surface of the bottom of the cambered surface of the fixed block is evenly adhered with a rubber gasket, when the device is placed on the inner wall of the welded pipe, the device can be provided with effective stabilizing effect through the bottom of the cambered surface and the rubber gasket on the cambered surface, the rotating connecting piece 4 comprises a rotating shaft rod connected with the inner wall of the telescopic rod 2, and a round connecting piece is arranged on the rotating shaft rod, the extending end part of the round connecting piece is connected with the tail part of the electric telescopic rod, and the rubber diaphragm is laminated with the fixed outer wall of the electric telescopic rod 5, and the top of the heating plate 17 is an arc surface.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a longitudinal submerged arc welded pipe induction heating device, includes support body (1), its characterized in that: the front side and the rear side of the center of the bottom of the frame body (1) are provided with two groups of telescopic rods (2) with the same structure, the bottom of each telescopic rod (2) is movably inserted at the top of the fixed rod (3), the left side and the right side of the top of each telescopic rod (2) are symmetrically provided with two groups of rotating connecting pieces (4) with the same structure, the movable end parts of the rotating connecting pieces (4) are provided with electric telescopic rods (5) extending outwards, the extending end parts of the electric telescopic rods (5) are provided with auxiliary wheels (6), the two groups of limiting blocks (7) matched with the electric telescopic rods (5) are symmetrically arranged at the two sides of the bottom of the frame body (1), two groups of linear bearings (8) with the same structure are arranged at the two sides of the top of the frame body (1), an operating platform (9) is arranged at the top of, and the surface of the rack plate (12) is meshed with the walking gear (11) through a rack, the walking gear (11) is sleeved on a bottom power shaft lever of the double-shaft motor (10), the double-shaft motor (10) is installed on the outer wall of the right side of the operating platform (9) through a protection ring, a driving wheel (13) is sleeved on a top power shaft lever of the double-shaft motor (10), the outer wall of the driving wheel (13) is connected with a driven wheel (15) through a belt (14), the driven wheel (15) is sleeved on the outer wall of an auxiliary shaft lever, the bottom of the auxiliary shaft lever is inserted in the center of the top of the rotary table (16), the rotary table (16) is connected with the top of the operating platform (9) through a bearing, a heating plate (17) is fixedly installed at the top of the auxiliary shaft lever, and a coil (18) with the same structure is installed at the top.

2. The longitudinal submerged arc welded pipe induction heating device according to claim 1, characterized in that: the side wall of the fixed rod (3) is spliced with a fixed bolt, and the side wall of the telescopic rod (2) is uniformly provided with screw holes matched with the fixed bolt in size.

3. The longitudinal submerged arc welded pipe induction heating device according to claim 1, characterized in that: trapezoidal fixed block is installed to the bottom of dead lever (3), and the bottom of trapezoidal fixed block is the cambered surface, evenly bonds on the fixed block cambered surface bottom surface and has the rubber gasket.

4. The longitudinal submerged arc welded pipe induction heating device according to claim 1, characterized in that: the rotating connecting piece (4) comprises a rotating shaft rod connected with the inner wall of the telescopic rod (2), a round connecting piece is installed on the rotating shaft rod, and the extending end part of the round connecting piece is connected with the tail part of the electric telescopic rod (5).

5. The longitudinal submerged arc welded pipe induction heating device according to claim 1, characterized in that: the limiting block (7) comprises a limiting plate connected with the bottom of the frame body (1), a rubber transverse plate is bonded to the bottom of the limiting plate, and the rubber transverse plate is attached to the fixed outer wall of the electric telescopic rod (5).

6. The longitudinal submerged arc welded pipe induction heating device according to claim 1, characterized in that: the top of the heating plate (17) is an arc surface.