CN113225862A

CN113225862A - Local preheating device before repair welding repair of large-scale steel casting

Info

Publication number: CN113225862A
Application number: CN202110510739.7A
Authority: CN
Inventors: 曾利平
Original assignee: Jingshan Yilong Steel Casting Co ltd
Current assignee: Jingshan Yilong Steel Casting Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-08-06

Abstract

The invention discloses a local preheating device before welding repair of large-scale steel castings, which belongs to the technical field of welding repair of castings, and particularly relates to a local preheating device before welding repair of large-scale steel castings, which comprises a base, a first hydraulic device, a first supporting seat and an induction heater, wherein the right side walls of the base and the supporting seat are respectively provided with a first motor and a second motor, a first screw and a second screw are respectively arranged in the base and the supporting seat, output shafts of the first motor and the second motor are respectively used for being connected with the first screw and the second screw, the outer wall of the first screw is in threaded connection with a first screw sleeve, threads of the outer walls of the second screw are opposite to each other, the first screw sleeve can be driven to move through the work of the first motor, so that the induction heater is driven to move transversely, the height of the induction heater can be adjusted through the work of the second hydraulic device, the induction heater can be moved to a part needing welding repair for preheating, and meanwhile, the work of a second driving mechanism can drive a turntable to rotate, the rotary disc rotates the induction heater to synchronously rotate along with the rotary disc, so that the products with irregular shapes can be preheated conveniently.

Description

Local preheating device before repair welding repair of large-scale steel casting

Technical Field

The invention relates to the technical field of casting repair welding repair, in particular to a local preheating device before repair welding repair of a large steel casting.

Background

In the heavy equipment manufacturing industry, the production and repair of large steel castings generally requires welding. Especially in the casting industry, the casting has a complex structure, large tonnage and various material types. For the steel castings, preheating is needed in the later welding repair process. At present, radiation heating is most commonly adopted at home and abroad, and heat is radiated to the surface of metal by a heat source and then is conducted to other directions by the surface of the metal. Therefore, the difference of the temperature of the inner wall and the outer wall of the metal is large during radiation heating, the heating effect is poor, induction heating is adopted by the preheating device more along with the development of science and technology, and the existing preheating device cannot perform all-around preheating treatment on the part needing to be welded according to the use requirement.

Disclosure of Invention

The invention aims to provide a local preheating device before repair welding repair of a large steel casting, which aims to solve the problem that the part needing repair welding cannot be subjected to omnibearing preheating treatment according to the use requirement in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a local preheating device before repair welding repair of large steel castings comprises a base, a first hydraulic device, a first supporting seat and an induction heater, wherein a first motor and a second motor are respectively installed on the right side walls of the base and the supporting seat, a first screw rod and a second screw rod are respectively arranged in the base and the supporting seat, output shafts of the first motor and the second motor are respectively used for being connected with the first screw rod and the second screw rod, a first threaded sleeve is screwed on the outer wall of the first screw rod, threads on the outer wall of the second screw rod are opposite to each other, second threaded sleeves are screwed on the left side and the right side of the outer wall of the second screw rod, a first movable groove and a second movable groove are respectively formed in the top of the base and the bottom of the supporting seat, the top of the first threaded sleeve penetrates through the second movable groove and extends upwards, a connecting seat is arranged in the second movable groove, the top of the connecting seat penetrates through the second movable groove and is connected with the second threaded sleeve, a first driving mechanism is installed on the connecting seat, and the output end of the first driving mechanism is connected with a chuck, the top of the extending end of the first threaded sleeve is provided with a second hydraulic device, the top telescopic end of the second hydraulic device is connected with the fixed seat, a second driving mechanism is arranged in the fixed seat, the output shaft of the second driving mechanism is connected with the rotary table, and the induction heater is arranged on the rotary table.

Preferably, actuating mechanism one includes motor three, initiative fluted disc one, driven fluted disc one, dwang one, spliced pole, movable groove three has been seted up to the below in the connecting seat, initiative fluted disc one, driven fluted disc one, dwang one, all are arranged in movable groove three, motor three is installed on the connecting seat, and motor three's output shaft run through the connecting seat and is connected with initiative fluted disc one.

Preferably, the both ends of dwang one all are through bearing and three inner wall connections of movable groove, the outer wall at dwang one is all cup jointed with the one end of spliced pole to driven fluted disc one, driven fluted disc one and the meshing of initiative fluted disc one, the other end and the chuck of spliced pole are connected.

Preferably, actuating mechanism two includes dwang two, motor four, driving fluted disc two, driven fluted disc two, it can hold dwang two to have seted up movable groove four in the fixing base, and two outer walls of dwang pass through the bearing with four inner walls of movable groove and be connected, bearing and fixing base inner wall connection are passed through to the one end of dwang two, the other end and the carousel of dwang two are connected.

Preferably, the motor IV is arranged above the inner portion of the fixed seat, an output shaft of the motor IV is connected with the driving fluted disc II, the driven fluted disc II is sleeved on the outer wall of the rotating rod II, and the driving fluted disc II is meshed with the driven fluted disc II.

Preferably, the first hydraulic device is installed on the left side and the right side of the top of the base, and the top telescopic end of the first hydraulic device is connected with the bottom of the supporting seat.

Compared with the prior art, the invention has the beneficial effects that:

1) according to the invention, the first screw sleeve can be driven to move through the work of the first motor, so that the induction heater is driven to transversely move, the second hydraulic device can adjust the height of the induction heater through the work of the second hydraulic device, the induction heater can be moved to a part needing to be welded for preheating, meanwhile, the second driving mechanism can drive the rotary table to rotate through the work of the second driving mechanism, the rotary table rotates the induction heater to synchronously rotate, and thus, the products with irregular shapes can be conveniently preheated.

2) According to the invention, the second motor can drive the second threaded sleeve to move, the distance between the second threaded sleeve and the chuck is adjusted, the adjustment is carried out according to the length of the workpiece, the chuck is driven to rotate by the third motor, so that the workpiece can be conveniently clamped by the chuck, the workpiece is more conveniently and stably fixed, and the use is more convenient.

Drawings

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

FIG. 2 is a right side view of the present invention;

FIG. 3 is a schematic structural diagram of a driving mechanism of the present invention.

In the figure: the device comprises a base 1, a hydraulic device I2, a supporting seat 3, a motor I4, a screw I5, a screw sleeve I6, a motor II 7, a screw II 8, a screw sleeve II 9, a connecting seat 10, a motor III 11, a connecting column 12, a chuck 13, a hydraulic device II 14, a rotating disc 15, an induction heater 16, a fixed seat 17, a motor IV 18, a driving toothed disc II 19 and a driven toothed disc II 20.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a local preheating device before repair welding repair of large steel castings comprises a base 1, a hydraulic device I2, a supporting seat 3 and an induction heater 16, wherein a motor I4 and a motor II 7 are respectively installed on the right side walls of the base 1 and the supporting seat 3, a screw I5 and a screw II 8 are respectively arranged in the base 1 and the supporting seat 3, output shafts of the motor I4 and the motor II 7 are respectively used for being connected with the screw I5 and the screw II 8, a screw sleeve I6 is screwed on the outer wall of the screw I5, threads on the outer wall of the screw II 8 are opposite to each other, screw sleeves II 9 are screwed on the left side and the right side of the outer wall of the screw II 8, the screw II 8 can drive the screw sleeves II 9 on the left side and the right side to move when rotating, the distance between the screw sleeves II 9 on the left side and the right side is adjusted, a movable groove I and a movable groove II are respectively formed in the top of the base 1 and the bottom of the supporting seat 3, the top of the screw sleeve I6 penetrates through the movable groove and extends upwards, the first motor 4 works to drive the first screw rod 5 to rotate, the first screw rod 5 rotates to drive the first screw sleeve 6 to transversely move, the first screw sleeve 6 moves to drive the induction heater 16 to move, the induction heater 16 works to preheat a part needing welding repair, the second movable groove is internally provided with the connecting seat 10, the top of the connecting seat 10 penetrates through the second movable groove to be connected with the second screw sleeve 9, the first driving mechanism is installed on the connecting seat 10, the output end of the first driving mechanism is connected with the chuck 13, the first driving mechanism works to drive the chuck 13 to rotate, the angle of the chuck 13 is adjusted, a workpiece is conveniently clamped, the second motor 7 works to drive the second screw rod 8 to rotate, the second screw sleeve 8 rotates to drive the second screw sleeve 9 to move, the chuck 13 synchronously moves along with the second screw sleeve 9, the distance between the chucks 13 is adjusted according to the length of the workpiece, the second hydraulic device 14 is installed at the top of the extending, the telescopic end of the top of the second hydraulic device 14 is connected with the fixed seat 17, the height of the fixed seat 17 and the height of the induction heater 16 can be adjusted by the operation of the second hydraulic device 14, a second driving mechanism is arranged in the fixed seat 17, an output shaft of the second driving mechanism is connected with the rotary table 15, and the rotary table 15 can be driven to rotate by the operation of the second driving mechanism, so that the induction heater 16 is driven to rotate, the angle of the induction heater 16 is adjusted, irregular workpieces are conveniently preheated, and the induction heater 16 is installed on the rotary table 15.

The first driving mechanism comprises a third motor 11, a first driving fluted disc, a first driven fluted disc, a first rotating rod and a connecting column 12, a third movable groove is formed in the connecting seat 10 at the lower part, the first driving fluted disc, the first driven fluted disc and the first rotating rod are all located in the third movable groove, the third motor 11 is installed on the connecting seat 10, and an output shaft of the third motor 11 penetrates through the connecting seat 10 to be connected with the first driving fluted disc.

The both ends of dwang one all are through bearing and three wall connections in movable groove, the outer wall at dwang one is all cup jointed with the one end of spliced pole 12 to driven fluted disc one, driven fluted disc one meshes with initiative fluted disc one, the other end and the chuck 13 of spliced pole 12 are connected, and the three 11 work of motor drive initiative fluted disc one rotates, and initiative fluted disc one drives driven fluted disc one and rotates, and driven fluted disc one rotates and drives chuck 13 through spliced pole 12 and rotate to the angle of adjustment chuck 13 carries out the centre gripping to the work piece.

The second driving mechanism comprises a second rotating rod, a fourth motor 18, a second driving fluted disc 19 and a second driven fluted disc 20, a fourth movable groove capable of accommodating the second rotating rod is formed in the fixed seat 17, the two outer walls of the second rotating rod and the four inner walls of the movable groove are connected through bearings, one end of the second rotating rod is connected with the inner wall of the fixed seat 17 through the bearings, and the other end of the second rotating rod is connected with the rotary disc 15.

Four 18 of motor are installed in fixing base 17 upper, four 18 of motor's output shaft and two 19 connections of initiative fluted disc, two 20 cup joints two outer walls of dwang, two 19 meshes with two 20 meshes of driven fluted disc, and four 18 work of motor drive two 19 rotations of initiative fluted disc, and two 19 drive driven fluted disc of initiative fluted disc rotate, and two 20 rotation dwang synchro rotation of driven fluted disc drive carousel 15 rotate to make induction heater 16 rotate.

The first hydraulic device 2 is installed on the left side and the right side of the top of the base 1, the top telescopic end of the first hydraulic device 2 is connected with the bottom of the supporting seat 3, and the first hydraulic device 2 works telescopically to drive the supporting seat 3 to lift, so that the height of the chuck 13 can be adjusted conveniently.

The working principle is as follows: the second motor 7 works to drive the second screw rod 8 to rotate, the second screw rod 8 rotates to drive the second screw sleeve 9 to move, the chuck 13 moves synchronously with the second screw sleeve 9, the distance between the chucks 13 is adjusted according to the length of a workpiece, the third motor 11 works to drive the first driving gear to rotate, the first driving gear drives the first driven gear to rotate, the first driven gear rotates to drive the chuck 13 to rotate through the connecting column 12, so that the angle of the chuck 13 is adjusted to clamp the workpiece, the first hydraulic device 2 works to stretch and retract to drive the supporting seat 3 to lift, so that the height of the chuck 13 is adjusted, the first motor 4 works to drive the first screw rod 5 to rotate, the first screw rod 5 rotates to drive the first screw sleeve 6 to move transversely, the first screw sleeve 6 moves to drive the induction heater 16 to move, the induction heater 16 works to preheat a part needing to be welded, the fourth motor 18 works to drive the second driving gear 19 to rotate, and the second driving gear 19 drives the second driven gear 20 to rotate, the driven fluted disc II 20 rotates the rotating rod II to synchronously rotate to drive the rotating disc 15 to rotate, so that the induction heater 16 rotates, and the angle of the induction heater 16 is adjusted to conveniently preheat an irregular workpiece.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 local preheating device before repair welding of large-scale steel casting restores, includes base (1), hydraulic means (2), supporting seat (3) and induction heater (16), its characterized in that: the screw rod I and the screw rod II are respectively arranged in the base (1) and the supporting seat (3), output shafts of the motor I (4) and the motor II (7) are respectively connected with the screw rod I (5) and the screw rod II (8), a screw sleeve I (6) is screwed on the outer wall of the screw rod I (5), threads of the outer wall of the screw rod II (8) are opposite to each other, screw sleeves II (9) are screwed on the left side and the right side of the outer wall of the screw rod II (8), a movable groove I and a movable groove II are respectively arranged at the top of the base (1) and the bottom of the supporting seat (3), the top of the screw sleeve I (6) penetrates through the movable groove and extends upwards, a connecting seat (10) is arranged in the movable groove II, and the top of the connecting seat (10) penetrates through the movable groove II and is connected with the screw sleeve II (9), install actuating mechanism one on connecting seat (10), and actuating mechanism one's output is connected with chuck (13), hydraulic means two (14) are installed at the top that swivel nut one (6) extend the end, the flexible end in hydraulic means two (14) top is connected with fixing base (17), be equipped with actuating mechanism two in fixing base (17), the output shaft and carousel (15) of actuating mechanism two are connected, induction heater (16) are installed on carousel (15).

2. The local preheating device before repair welding repair of large steel castings according to claim 1, characterized in that: the first driving mechanism comprises a third motor (11), a first driving toothed disc, a first driven toothed disc, a first rotating rod and a connecting column (12), wherein a third movable groove is formed in the connecting seat (10) below, the first driving toothed disc, the first driven toothed disc and the first rotating rod are all located in the third movable groove, the third motor (11) is installed on the connecting seat (10), and an output shaft of the third motor (11) penetrates through the connecting seat (10) to be connected with the first driving toothed disc.

3. The local preheating device before repair welding repair of large steel castings according to claim 2, characterized in that: the two ends of the first rotating rod are connected with the three inner walls of the movable groove through bearings, the first driven fluted disc and one end of the connecting column (12) are sleeved on the outer wall of the first rotating rod, the first driven fluted disc is meshed with the first driving fluted disc, and the other end of the connecting column (12) is connected with the chuck (13).

4. The local preheating device before repair welding repair of large steel castings according to claim 1, characterized in that: actuating mechanism two includes dwang two, four (18), initiative fluted disc two (19), driven fluted disc two (20) of motor, set up in fixing base (17) and can hold the activity groove four of dwang two, and two outer walls of dwang pass through the bearing with four inner walls of activity groove and be connected, bearing and fixing base (17) inner wall connection are passed through to the one end of dwang two, the other end and carousel (15) of dwang two are connected.

5. The local preheating device before repair welding repair of large steel castings according to claim 4, characterized in that: the motor four (18) is installed above the interior of the fixed seat (17), the output shaft of the motor four (18) is connected with the driving fluted disc two (19), the driven fluted disc two (20) is sleeved on the outer wall of the rotating rod two, and the driving fluted disc two (19) is meshed with the driven fluted disc two (20).

6. The local preheating device before repair welding repair of large steel castings according to claim 1, characterized in that: the first hydraulic device (2) is installed on the left side and the right side of the top of the base (1), and the top telescopic end of the first hydraulic device (2) is connected with the bottom of the supporting seat (3).