CN112077523B

CN112077523B - Transformer header welding angle positioning tool

Info

Publication number: CN112077523B
Application number: CN202010991295.9A
Authority: CN
Inventors: 袁开明
Original assignee: Wuhan Huate Electrical Equipment Co ltd
Current assignee: Wuhan Huate Electrical Equipment Co ltd
Priority date: 2020-09-20
Filing date: 2020-09-20
Publication date: 2022-06-21
Anticipated expiration: 2040-09-20
Also published as: CN112077523A

Abstract

A positioning tool for welding angles of a transformer header belongs to the field of transformer production and comprises a cross rod, an inclined rod, a core rod, a support rod and a core cylinder. The diagonal rods are connected with the cross rods, the support rods are connected between the cross rods and the diagonal rods, the core rods are installed inside the cross rods, and the core cylinders are installed on the rod pieces. The cross rod comprises a cross rod body, a central hole, a joint, a through groove, a cross boss and a lower nut, wherein the center of the cross rod body is provided with the central hole, and a core rod is arranged in the central hole. The down tube comprises a down tube body, a lower double ear, a connection lug, a slant boss and an upper nut. The core rod comprises a core shaft, a square groove, a sliding block and a small nut, the core shaft is arranged in the central hole, the square groove is formed in the core shaft, the sliding block is arranged on the square groove, the small nut is arranged at the end of the core rod, and the core rod is limited in the cross rod by the small nut. One end of the support rod is connected with the sliding block, and the other end of the support rod is connected to the connecting lug. The core barrel comprises a first core barrel, a second core barrel and a third core barrel, the first core barrel and the second core barrel are respectively arranged at two ends of the cross rod, and the third core barrel is arranged on the diagonal rod.

Description

Transformer header welding angle positioning tool

Technical Field

The invention belongs to the technical field of transformer production, and particularly relates to a positioning tool for a welding angle of a transformer connecting pipe.

Background

The connecting pipes are used in a large number in the assembly of the transformer and are formed by welding a plurality of pipelines, sometimes, the welding angles of the pipelines are not mutually perpendicular, the pipeline positioning is difficult to perform in the welding operation of the pipelines which are not perpendicular, the welding operation can be completed by multiple people in cooperation, great troubles are brought to field operation, and a set of special tools is needed in the welding field of the connecting pipes of the transformer to assist in completing the angle positioning work of the connecting pipe welding.

Disclosure of Invention

The invention provides a welding angle positioning tool for a transformer header, which aims to solve the problems in the background technology.

The technical problem solved by the invention is realized by adopting the following technical scheme:

a welding angle positioning tool for a transformer header comprises a cross rod, an inclined rod, a core rod, a support rod and a core cylinder. The down tube is connected with the cross rod, the brace rod is connected between the cross rod and the down tube, the core rod is arranged inside the cross rod, and the core cylinder is arranged on a plurality of rod pieces to support the connecting tube.

The cross rod comprises a cross rod body, a center hole, a joint, a through groove, a cross boss and a lower nut, the center of the cross rod body is provided with the center hole, a core rod is installed in the center hole, the middle of the cross rod body is upwards connected with the joint, the through groove penetrating through the center hole is formed in one side, located on the joint, of the cross rod body, a sliding block penetrates through the through groove, the two sides of the joint on the cross rod body are respectively provided with the cross boss, the two ends of the cross rod body are further provided with the lower nut, and the core barrel is fixed on the cross rod through the lower nut. The down tube comprises a down tube body, a lower double ear, a connecting lug piece, an oblique boss and an upper nut, the lower double ear is arranged at the bottom of the down tube body, the lower double ear is in butt joint with the joint, the angle between the down tube and the cross rod can be rotatably adjusted on the joint, the connecting lug piece is arranged on the front side of the down tube body, the connecting lug piece is connected with the supporting rod, the oblique boss is arranged above the connecting lug piece, the upper nut is arranged on the down tube body, and the upper nut fixes the core barrel on the down tube. The core rod comprises a core shaft, a square groove, a sliding block and a small nut, the core shaft is arranged in the central hole, the square groove is formed in the core shaft, the position of the square groove corresponds to the position of the through groove, the sliding block is arranged on the square groove, the small nut is arranged at the end of the core rod, and the core rod is limited in the cross rod by the small nut.

One end of the support rod is connected with the sliding block, and the other end of the support rod is connected to the connecting lug. The core barrel comprises a first core barrel, a second core barrel and a third core barrel, the first core barrel and the second core barrel are respectively arranged at two ends of the cross rod, and the third core barrel is arranged on the diagonal rod. The connecting pipe comprises a horizontal pipe and an inclined pipe, the horizontal pipe is sleeved on the first core cylinder and the second core cylinder, and the inclined pipe is sleeved on the third core cylinder.

Furthermore, the joint is connected to the cross rod body in a welding mode.

Further, the transverse bosses should be located outside the through slots.

Furthermore, the sliding block is installed in the square groove through a screw.

Further, the outer diameters and the lengths of the first core barrel, the second core barrel and the third core barrel are selected according to the inner diameter and the length of the union pipe.

The invention has the beneficial effects that:

the positioning device is used for positioning auxiliary work of inclined welding of the transformer connecting pipe, has an angle adjusting function, can adapt to positioning of the connecting pipe combined at different angles, and can conveniently complete welding operation after positioning is completed.

Drawings

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

FIG. 2 is a schematic of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is an exploded view of the present invention;

in the figure: 10. the cross rod comprises a cross rod body 11, a cross rod body 12, a central hole 12, a joint 13, a through groove 14, a transverse boss 15, a transverse boss 16, a lower nut 20, an inclined rod 21, an inclined rod body 22, a lower double lug 23, a connecting lug plate 24, an inclined boss 25, an upper nut 30, a core rod 31, a core shaft 32, a square groove 33, a sliding block 34, a small nut 40, a support rod 50, a core barrel 51, a first core barrel 52, a second core barrel 53, a third core barrel 60, a connecting pipe 61, a horizontal pipe 62 and an inclined pipe.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1-4, the welding angle positioning tool for the transformer header comprises a cross bar 10, an inclined bar 20, a core bar 30, a stay bar 40 and a core cylinder 50. The diagonal bar 20 is connected with the crossbar 10, the brace bar 40 is connected between the crossbar 10 and the diagonal bar 20, the core bar 30 is installed inside the crossbar 10, and the core cylinders 50 are installed on several bar members to support the connecting pipes 60.

The cross rod 10 comprises a cross rod body 11, a central hole 12, a joint 13, a through groove 14, a cross boss 15 and a lower nut 16, wherein the center of the cross rod body 11 is provided with the central hole 12, a core rod is arranged in the central hole 12, the middle part of the cross rod body 11 is upwards connected with the joint 13, the joint 13 is connected to the cross rod body 11 in a welding mode, one side, positioned on the joint 13, of the cross rod body 11 is provided with the through groove 14 penetrating through the central hole 12, a sliding block 33 penetrates through the through groove 14, the two sides of the joint 13 on the cross rod body 11 are respectively provided with the cross boss 15, of course, the cross bosses 15 are positioned on the outer side of the through groove 14, the two ends of the cross rod body 11 are also provided with the lower nut 16, and the core barrel 50 is fixed on the cross rod 10 by the lower nut 16.

The inclined rod 20 comprises an inclined rod body 21, a lower double lug 22, a connecting lug 23, an inclined boss 24 and an upper nut 25, the lower double lug 22 is arranged at the bottom of the inclined rod body 21, the lower double lug 22 is in butt joint with the joint 13, the angle between the inclined rod 20 and the cross rod 10 can be rotatably adjusted on the joint 13, the connecting lug 23 is arranged on the front side of the inclined rod body 21, the connecting lug 23 is connected with the stay bar 40, the inclined boss 24 is arranged above the connecting lug 23, the upper nut 25 is installed on the inclined rod body 21, and the core barrel 50 is fixed on the inclined rod 20 through the upper nut 25.

The core rod 30 comprises a core shaft 31, a square groove 32, a sliding block 33 and a small nut 34, the core shaft 31 is installed in the central hole 12, the core shaft 31 is provided with the square groove 32, the position of the square groove 32 corresponds to the position of the through groove 14, the sliding block 33 is installed on the square groove 32, the sliding block 33 is installed in the square groove 32 through a screw (the screw is not shown in the figure), the small nut 34 is installed at the end of the core rod 30, the small nut 34 limits the core rod 30 in the cross rod 10, of course, the installation direction of the core rod 30 is flexibly selected according to the inclination direction of the inclined rod 20, and the small nut 34 can limit the sliding of the core rod 30 in the cross rod 10.

The stay 40 has one end connected to the slider 33 and the other end connected to the connecting tab 23, and plays a role of supporting the diagonal rod 20.

The core barrel 50 includes a first core barrel 51, a second core barrel 52 and a third core barrel 53, the first core barrel 51 and the second core barrel 52 are respectively installed at both ends of the cross bar 10, the third core barrel 53 is installed on the diagonal bar 20, and the outer diameters and the lengths of the three core barrels are selected according to the inner diameter and the length of the union 60.

The union 60 includes a horizontal pipe 61 and an inclined pipe 62, the horizontal pipe 61 is fitted over the first and

second cartridges

51 and 52, and the inclined pipe 62 is fitted over the third cartridge 53.

The working principle of the invention is as follows: firstly, disassembling the cross bar 10, the diagonal bar 20 and the stay bar 40, penetrating the core bar 30 into the cross bar 10, then installing the slide block 33 in the square groove 32, installing the first core barrel 51 and the second core barrel 52 on the cross bar 10, penetrating the cross bar 10 and the core barrels into the horizontal pipe 61, placing the joint 13 in the middle of the joint opening pre-opened in the horizontal pipe 61, installing the stay bar 40 and the diagonal bar 20 on the cross bar 10 and the core bar 30, adjusting the angle between the diagonal bar 20 and the cross bar 10 by drawing the core bar 30, and fixing the position of the core bar 30 by using the small nut 34, wherein the inclined diagonal bar 20 has a lateral acting force on the slide block 33 through the stay bar 40, and the small nut 34 is used for limiting the acting force so as to fix the position of the core bar 30 in the cross bar 10. The third core cylinder 53 is installed on the inclined rod 20, the inclined tube 62 is sleeved on the third core cylinder 53, the core rod 30 is properly adjusted to adjust the angle, after the core rod is fixed, the horizontal tube 61 and the inclined tube 62 are positioned, and then the welding operation can be conveniently completed. After the welding operation is completed, the third core barrel 53 is first removed, and then the auxiliary tool is removed by performing the reverse operation according to the above steps.

The above embodiments mainly describe the positioning tool for the welding angle of the transformer header of the present invention. While only a limited number of embodiments and features have been described, those skilled in the art will recognize that the invention can be embodied in many other forms without departing from the spirit or scope thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and various modifications and alternative arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. A transformer header welding angle positioning tool comprises a cross rod (10), an inclined rod (20), a core rod (30), a support rod (40) and a core barrel (50), and is characterized in that the inclined rod (20) is connected with the cross rod (10), the support rod (40) is connected between the cross rod (10) and the inclined rod (20), the core rod (30) is installed inside the cross rod (10), the cross rod (10) comprises a cross rod body (11), a central hole (12), a joint (13), a through groove (14), a cross boss (15) and a lower nut (16), the center of the cross rod body (11) is provided with the central hole (12), the core rod is installed in the central hole (12), the middle of the cross rod body (11) is upwards connected with the joint (13), the through groove (14) penetrating through the central hole (12) is formed in one side of the joint (13) on the cross rod body (11), the slide block (33) penetrates through the through groove (14), and the cross boss (15) is respectively arranged on two sides of the joint (13) on the cross rod body (11), the two ends of the transverse rod body (11) are also provided with lower nuts (16), the core barrel (50) is fixed on the transverse rod body (10) by the lower nuts (16), the inclined rod (20) comprises an inclined rod body (21), lower double lugs (22), connecting lugs (23), inclined bosses (24) and upper nuts (25), the lower double lugs (22) are arranged at the bottom of the inclined rod body (21), the lower double lugs (22) are in butt joint with the joints (13), the front side of the inclined rod body (21) is provided with the connecting lugs (23), the connecting lugs (23) are connected with the supporting rods (40), the inclined bosses (24) are arranged above the connecting lugs (23), the upper nuts (25) are arranged on the inclined rod body (21), the core barrel (50) is fixed on the inclined rod (20) by the upper nuts (25), the core rod (30) comprises a core shaft (31), a square groove (32), a sliding block (33) and a small nut (34), the core shaft (31) is arranged in the central hole (12), and the square groove (32) is arranged on the core shaft (31), the position of square groove (32) is corresponding with the position of logical groove (14), install slider (33) on square groove (32), little nut (34) are installed to core bar (30) end, little nut (34) restrict core bar (30) in horizontal pole (10), vaulting pole (40) one end link block (33), the other end is connected on link lug piece (23), core barrel (50) are including first core barrel (51), second core barrel (52) and third core barrel (53), the both ends in horizontal pole (10) are installed respectively to first core barrel (51) and second core barrel (52), install on down tube (20) third core barrel (53).

2. The welding angle positioning tool for the transformer header according to claim 1, wherein the joint (13) is connected to the cross bar body (11) by welding.

3. The welding angle positioning tool for the transformer header according to claim 1, wherein the transverse boss (15) is located outside the through slot (14).

4. The welding angle positioning tool for transformer headers according to claim 1, wherein the sliding block (33) is installed in the square groove (32) by a screw.

5. The welding angle positioning tool for the transformer header according to claim 1, wherein the outer diameter and the length of the first cartridge (51), the second cartridge (52), and the third cartridge (53) are selected according to the inner diameter and the length of the header (60).