CN219170056U

CN219170056U - Auxiliary fixture for welding contact net triangular support part

Info

Publication number: CN219170056U
Application number: CN202320251724.8U
Authority: CN
Inventors: 张留生; 陈昕文
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-13
Anticipated expiration: 2033-02-20

Abstract

The application relates to an auxiliary fixtures is used in welding of contact net triangle supporting part belongs to contact net technical field, and it includes the workstation, be equipped with violently pipe fixing device and inclined tube fixing device on the workstation, violently pipe fixing device is including the fixed establishment that the symmetry set up, fixed establishment slides and installs on the workstation, fixed establishment includes the slide, be fixed with horizontal three-jaw chuck on the slide. This application simple structure, convenient to use can use with staff's high cooperation, and horizontal three-jaw chuck work is fixed with horizontal steel pipe, inserts oblique steel pipe one end later on the three-jaw chuck of slant to fixed through the three-jaw chuck of slant, at this moment, the staff can break oblique steel pipe with fingers and thumb from top to bottom, makes oblique steel pipe welding face notch department laminate on horizontal steel pipe surface to it, holds up oblique steel pipe with one hand, and another hand is held welder and is welded it, can carry out all-round welding to junction, and operating space is big.

Description

Auxiliary fixture for welding contact net triangular support part

Technical Field

The application relates to the technical field of contact networks, in particular to an auxiliary tool for welding a triangular support part of a contact network.

Background

The overhead contact system is a high-voltage power transmission line which is erected along the upper part of a steel rail in a zigzag shape and is used for current collection of a pantograph. The foundation member is one of main parts in the contact net, the foundation member mainly plays the role of supporting other parts by using members such as cement struts and steel columns, the steel structure supporting parts are used more at present, most of the foundation member is welded and installed in a triangular mode, so that stability is improved, a specific structure is shown in a figure 1, the foundation member comprises a transverse steel pipe 6 and an oblique steel pipe 7 which are welded together, most of the foundation member is lack of a positioning mechanism when the steel pipe is welded at present, the foundation member is easy to deviate in the welding process, the steel pipe cannot be fixed conveniently, shaking, inaccurate fixing positions and the like are easy to occur, and therefore poor welding effect and low stability are caused.

At present, chinese patent publication No. CN214558723U discloses a positioning welding fixture for contact net parts, which comprises an operation table, wherein four arc plates are arranged at the front side of the operation table, two arc plates at the lower side are obliquely arranged, connecting plates are fixedly connected with the bottom surfaces of the arc plates at the upper side, through grooves matched with the connecting plates are formed in the front side wall of the operation table, through grooves are formed in the rear side wall of the connecting plates, first threaded holes are formed in the side walls of the connecting plates, one screw is movably connected in the two first threaded holes, threads on the side walls of the screws are oppositely arranged, rocking bars are fixedly connected to the top ends of the screws, the steel pipe welding device comprises a steel pipe body, a connecting rod, a fixing mechanism, a positioning mechanism, a screw rod, an arc-shaped plate and a positioning mechanism, wherein the arc-shaped plate is fixedly connected with the operating table at the lowest side; through mutually supporting between stripper plate and the fixed establishment, can extrude the steel pipe body for two steel pipe bodies closely laminate, avoid the gap too big, influence welding size and stability.

However, the positioning mechanism is complex in structure, inconvenient to use, and inconvenient to weld the joint close to one surface of the workbench when the steel pipe falls down on the workbench.

Disclosure of Invention

In order to solve the problem, the application provides an auxiliary fixture for welding of a contact net triangular support part, adopts a brand new structure, is semi-automatically arranged, optimizes a fixing structure, can be used for fixing a steel pipe rapidly, and is convenient for subsequent staff to weld.

The application provides an auxiliary fixtures is used in welding of contact net triangle supporting part adopts following technical scheme:

the auxiliary tooling for welding the triangular support component of the contact net comprises a workbench, wherein a transverse pipe fixing device and an inclined pipe fixing device are arranged on the workbench, the transverse pipe fixing device comprises symmetrically arranged fixing mechanisms, the fixing mechanisms are slidably arranged on the workbench, the fixing mechanisms comprise sliding seats, and transverse three-jaw chucks are fixed on the sliding seats;

the inclined tube fixing device comprises a longitudinal moving mechanism, a transverse moving mechanism and a clamping mechanism, wherein the longitudinal moving mechanism is arranged on the workbench, the transverse moving mechanism is arranged on the longitudinal moving mechanism, the clamping mechanism is arranged on the transverse moving mechanism, the clamping mechanism comprises a bearing rod, the bottom end of the bearing rod is hinged with a clamping head, the clamping head comprises a base, the base is hinged on the bearing rod, and an inclined three-jaw chuck is rotationally connected to the base.

The workbench is characterized in that slide ways are symmetrically arranged on the workbench, the slide bases are installed in the slide ways in a sliding mode, a threaded rod is arranged inside the workbench in a rotating mode along the direction of the slide ways, the slide bases are in threaded connection with the threaded rod, a driving motor is fixed at the bottom of the workbench, the driving motor drives the threaded rod to rotate, and the threaded rod can drive the slide bases on two sides to synchronously fold or separate.

The longitudinal moving mechanism comprises a longitudinal screw rod and a longitudinal nut seat, the transverse moving mechanism comprises a transverse screw rod and a transverse nut seat, the transverse screw rod is fixed on the longitudinal nut seat, and the bearing rod is fixed on the transverse nut seat.

Preferably, the device further comprises a propping mechanism, wherein the propping mechanism comprises an electric telescopic rod, the electric telescopic rod is hinged to the bearing rod, and an arc-shaped pressing block is hinged to the end portion of a piston rod of the electric telescopic rod.

Through adopting above-mentioned technical scheme, after the welded part butt of slant steel pipe is on horizontal steel pipe, electric telescopic handle extension drives the arc briquetting and compresses tightly on the slant steel pipe to make the slant steel pipe support and fix on horizontal steel pipe, be convenient for the welding.

Preferably, a limiting rod is fixed on the bearing rod, and the side wall of the electric telescopic rod is abutted to the limiting rod.

Through adopting above-mentioned technical scheme, the gag lever post can provide holding power with electric telescopic handle, when supporting the steel pipe, need not to hold up, improves degree of automation.

Preferably, the inner surface of the arc-shaped pressing block is wrapped with a rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad has good deformability and antiskid effect, guarantees to compress tightly, can not cause the damage to the steel pipe body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the auxiliary tool for welding the contact net triangular support component is simple in structure and convenient to use, can be matched with a worker in height, when the auxiliary tool is used, a driving motor drives sliding seats on two sides to retract towards the middle through a threaded rod, the sliding seats drive a transverse three-jaw chuck to be inserted into a transverse steel pipe, the transverse three-jaw chuck works to fix the transverse steel pipe, one end of an inclined steel pipe is inserted into the inclined three-jaw chuck and is fixed through the inclined three-jaw chuck, at the moment, the worker can break the inclined steel pipe up and down, the notch of a welding surface of the inclined steel pipe is attached to the surface of the transverse steel pipe, one hand holds the inclined steel pipe, the other hand holds a welding gun to weld the inclined steel pipe, the joint can be welded in all directions, and the operation space is large;

2. through being provided with the tight mechanism that supports, when oblique steel pipe welding face notch department laminates on horizontal steel pipe surface to it, electric telescopic handle extension drives the arc briquetting and presses on the oblique steel pipe, can make the oblique steel pipe support tightly on horizontal steel pipe, need not the manual work and supports the welding, and the welding effect is higher, also can improve welding efficiency.

Drawings

Fig. 1 is a schematic view of a structure for embodying a supporting member in the related art.

Fig. 2 is a schematic overall structure of an embodiment of the present application.

Fig. 3 is a schematic structural diagram of the embodiment of the present application at different angles.

Reference numerals illustrate: 1. a work table; 11. a slideway; 12. a threaded rod; 13. a driving motor; 2. a transverse tube fixing device; 21. a fixing mechanism; 211. a slide; 212. a lateral three-jaw chuck; 3. a chute fixing device; 31. a longitudinal movement mechanism; 32. a lateral movement mechanism; 33. a clamping mechanism; 331. a carrier bar; 332. a clamping head; 3321. a base; 3322. an oblique three-jaw chuck; 4. a tightening mechanism; 41. an electric telescopic rod; 42. an arc-shaped pressing block; 5. a limit rod; 6. transverse steel pipes; 7. and (5) inclining the steel pipe.

Detailed Description

The present application is described in further detail below in conjunction with figures 2-3.

The embodiment of the application discloses auxiliary fixture for welding contact net triangle support parts, refer to fig. 2-3, comprising a workbench 1, be equipped with horizontal pipe fixing device 2 and inclined pipe fixing device 3 on workbench 1, horizontal pipe fixing device 2 includes symmetrical fixed establishment 21, fixed establishment 21 slides and installs on workbench 1, fixed establishment 21 includes slide 211, be fixed with horizontal three-jaw chuck 212 on the slide 211, slide 11 has been seted up to the symmetry on workbench 1, slide 211 slides and installs in slide 11, the rotation of interior along slide 11 direction of workbench 1 is equipped with threaded rod 12, slide 211 threaded connection is on threaded rod 12, the workbench 1 bottom is fixed with driving motor 13, driving motor 13 drives threaded rod 12 rotation, threaded rod 12 can drive slide 211 of both sides and draw in or separate in step;

the inclined tube fixing device 3 comprises a longitudinal moving mechanism 31, a transverse moving mechanism 32 and a clamping mechanism 33, wherein the longitudinal moving mechanism 31 is arranged on the workbench 1, the transverse moving mechanism 32 is arranged on the longitudinal moving mechanism 31, the clamping mechanism 33 is arranged on the transverse moving mechanism 32, the clamping mechanism 33 comprises a bearing rod 331, the bottom end of the bearing rod 331 is hinged with a clamping head 332, the longitudinal moving mechanism 31 comprises a longitudinal screw rod and a longitudinal nut seat, the transverse moving mechanism 32 comprises a transverse screw rod and a transverse nut seat, the transverse screw rod is fixed on the longitudinal nut seat, the bearing rod 331 is fixed on the transverse nut seat, the clamping head 332 comprises a base 3321, the base 3321 is hinged on the bearing rod 331, and the base 3321 is rotationally connected with an inclined three-jaw chuck 3322.

The longitudinal moving mechanism 31 and the transverse moving mechanism 32 are arranged, so that the positions of the clamping mechanisms 33 can be adjusted to adapt to the processing of oblique steel pipes with different lengths, (when the oblique steel pipes with the same batch are produced, the longitudinal moving mechanism 31 and the transverse moving mechanism 32 drive the clamping mechanisms 33 to be adjusted in place, and the clamping mechanisms are not required to be adjusted when being welded later

Referring to fig. 2-3, the hydraulic lifting device further comprises a supporting mechanism 4, the supporting mechanism 4 comprises an electric telescopic rod 41, the electric telescopic rod 41 is hinged to the bearing rod 331, an arc-shaped pressing block 42 is hinged to the end portion of a piston rod of the electric telescopic rod 41, and a rubber pad is wrapped on the inner surface of the arc-shaped pressing block 42.

When the welding part of the oblique steel pipe is abutted against the transverse steel pipe, the electric telescopic rod 41 stretches to drive the arc-shaped pressing block 42 to be pressed on the oblique steel pipe, so that the oblique steel pipe is abutted and fixed on the transverse steel pipe, and the welding is convenient.

Referring to fig. 3, in order to avoid that the electric telescopic rod 41 is in a vertical state, a limit rod 5 is fixed on the bearing rod 331, the side wall of the electric telescopic rod 41 is abutted on the limit rod 5, the limit rod 5 can provide supporting force for the electric telescopic rod 41, and when supporting a steel pipe, the electric telescopic rod is not required to be held by hands, so that the degree of automation is improved.

The implementation principle of the auxiliary tool for welding the contact net triangular support part is as follows:

when the welding machine is used, the driving motor 13 drives the sliding seat 211 on two sides to retract towards the middle through the threaded rod 12, the sliding seat 211 drives the transverse three-jaw chuck 212 to be inserted into the transverse steel pipe, the transverse three-jaw chuck 212 works to fix the transverse steel pipe, one end of the oblique steel pipe is inserted into the oblique three-jaw chuck 3322 and is fixed through the oblique three-jaw chuck 3322, at the moment, a worker can drag the oblique steel pipe up and down to enable the notch of the welding surface of the oblique steel pipe to be attached to the surface of the transverse steel pipe, one hand holds the oblique steel pipe, and the other hand holds the welding gun to weld the oblique steel pipe;

through being provided with and supporting tight mechanism 4, when oblique steel pipe welding face notch department laminates on horizontal steel pipe surface to it, electric telescopic handle 41 extension drives arc briquetting 42 and presses on the oblique steel pipe, can make the oblique steel pipe support tightly on horizontal steel pipe, need not the manual work and supports the welding, and the welding effect is higher, also can improve welding efficiency.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Auxiliary fixture for welding contact net triangular support parts, which is characterized in that: comprises a workbench (1), wherein a transverse pipe fixing device (2) and an inclined pipe fixing device (3) are arranged on the workbench (1), the transverse pipe fixing device (2) comprises symmetrically arranged fixing mechanisms (21), the fixing mechanisms (21) are slidably arranged on the workbench (1), the fixing mechanisms (21) comprise sliding seats (211), transverse three-jaw chucks (212) are fixed on the sliding seats (211),

the inclined tube fixing device (3) comprises a longitudinal moving mechanism (31), a transverse moving mechanism (32) and a clamping mechanism (33), wherein the longitudinal moving mechanism (31) is installed on the workbench (1), the transverse moving mechanism (32) is installed on the longitudinal moving mechanism (31), the clamping mechanism (33) is installed on the transverse moving mechanism (32), the clamping mechanism (33) comprises a bearing rod (331), a clamping head (332) is hinged to the bottom end of the bearing rod (331), the clamping head (332) comprises a base (3321), the base (3321) is hinged to the bearing rod (331), and an inclined three-jaw chuck (3322) is connected to the base (3321) in a rotating mode.

2. The auxiliary fixture for welding the triangular support part of the overhead line system according to claim 1, wherein: slide (11) have been seted up to symmetry on workstation (1), slide (211) are slided and are installed in slide (11), the inside threaded rod (12) that is equipped with of workstation (1) is rotated along slide (11) direction, slide (211) threaded connection is in on threaded rod (12), workstation (1) bottom is fixed with driving motor (13), driving motor (13) drive threaded rod (12) rotate, threaded rod (12) can drive slide (211) of both sides and draw in step or separate.

3. The auxiliary fixture for welding the triangular support part of the overhead line system according to claim 1, wherein: the longitudinal moving mechanism (31) comprises a longitudinal screw rod and a longitudinal nut seat, the transverse moving mechanism (32) comprises a transverse screw rod and a transverse nut seat, the transverse screw rod is fixed on the longitudinal nut seat, and the bearing rod (331) is fixed on the transverse nut seat.

4. The auxiliary fixture for welding the triangular support part of the overhead line system according to claim 1, wherein: the hydraulic lifting device is characterized by further comprising a propping mechanism (4), wherein the propping mechanism (4) comprises an electric telescopic rod (41), the electric telescopic rod (41) is hinged to the bearing rod (331), and an arc-shaped pressing block (42) is hinged to the end part of a piston rod of the electric telescopic rod (41).

5. The auxiliary fixture for welding the triangular support section of the overhead line system according to claim 4, wherein: and a limiting rod (5) is fixed on the bearing rod (331), and the side wall of the electric telescopic rod (41) is abutted to the limiting rod (5).

6. The auxiliary fixture for welding the triangular support section of the overhead line system according to claim 4, wherein: the inner surface of the arc-shaped pressing block (42) is wrapped with a rubber pad.