CN221817794U - Combined welding tool of push shovel - Google Patents

Abstract

The utility model discloses a combined welding tool of a push shovel, which comprises a bottom plate, wherein the push shovel positioned on the bottom plate comprises an arc-shaped main plate of the push shovel, end plates welded at the rear end and two side edges of the arc-shaped main plate in a vertical posture, a shovel plate and a rib plate welded at the front end edge of the main plate in an inclined posture, and a connecting shaft plate and a lifting lug plate welded and fixed on the outer cambered surface of the arc-shaped main plate; a positioning push shovel is buckled on a bottom plate, an arc-shaped inner support assembly is fixedly arranged in the middle of the bottom plate, a hoisting positioning frame is erected above the bottom plate in a lifting manner, lateral positioning seats of a plurality of top support end plates are fixedly arranged on the left side, the right side and the top surface of the rear end of the bottom plate, and a shovel board bracket is fixedly arranged at the front end of the bottom plate in an inclined posture; the hoisting positioning frame is provided with a plurality of pin shaft supports for positioning and hoisting the connecting shaft plate above the arc-shaped main plate, and the bottom surface of the middle part of the hoisting positioning frame is provided with a hoisting seat for hanging and connecting the positioning hoisting lug plate. The combined welding tool does not need to be dismantled, lifted and repositioned before all the pushing shovel is welded, and has a simple structure.

Description

A combined welding tool for a push shovel

Technical Field

The utility model relates to the technical field of welding positioning tooling, in particular to a combined welding tooling for a push shovel.

Background Art

The bulldozer of the tunnel boring machine includes an arc-shaped main shovel plate, a flat side shovel plate, a shovel plate or shovel claw at the bottom of the open end of the main shovel plate, and a coupling ear and a lifting ear on the back of the main shovel plate. The welding tooling in the prior art can only position, assemble and weld the main body of the bulldozer, that is, on the basis of positioning the arc-shaped main shovel plate, the side shovel plates are positioned and clamped at its rear end and both sides, but other components on the bulldozer cannot be positioned and welded on a unified positioning tooling, resulting in that after the bulldozer main body is completed, it needs to be hoisted to other splicing platforms for manual measurement and layout, and then alignment welding is performed. The process is cumbersome and the welding tolerance is difficult to control.

Therefore, how to solve the above problems and complete the splicing, assembly and welding operations of all parts of the bulldozer on a unified positioning tool has become a technical problem that needs to be solved urgently by people in this field.

Utility Model Content

The purpose of the utility model is to overcome the shortcomings of the prior art and provide a combined welding tool for a bulldozer. The combined welding tool does not require complex processes such as dismantling the tool, hoisting the bulldozer, and repositioning before the bulldozer is fully welded, and has a simple structure and is easy to implement.

A combined welding tool for a bulldozer, comprising a bottom plate, a bulldozer positioned on the bottom plate, comprising an arc-shaped main plate of the bulldozer, end plates welded to the rear end and both side edges of the arc-shaped main plate in a vertical posture, a shovel plate and a rib plate welded to the front end edge of the main plate in an inclined posture, and a coupling plate and a lifting ear plate welded and fixed to the outer arc surface of the arc-shaped main plate;

A positioning shovel is mounted on the base plate, and an arc-shaped inner support assembly is fixedly arranged in the middle of the base plate. A lifting and positioning frame is arranged on the upper lifting frame of the base plate. A plurality of lateral positioning seats of top support end plates are fixedly arranged on the left and right sides and the top surface of the rear end of the base plate, and a shovel plate trailer is fixedly arranged in an inclined posture on the front end of the base plate; a plurality of pin shaft supports for axially positioning the lifting coupling plate above the arc-shaped main board are arranged on the lifting and positioning frame, and a lifting seat for hanging and positioning the lifting ear plate is arranged on the middle bottom surface of the lifting and positioning frame.

Preferably, the arc-shaped inner support assembly includes a plurality of arc-shaped plates vertically fixed on the top surface of the bottom plate, and the outer arc surface of the arc-shaped plate cooperates with the inner arc surface of the arc-shaped main plate for support.

Preferably, a supporting screw is penetrated through and threadedly connected to the lateral positioning seat, and one end of the supporting screw is supported and positioned on the side wall of the end plate.

Preferably, a plurality of trapezoidal fixing seats are fixed on the top surface of the front end of the base plate, and the top inclined surface of the trapezoidal fixing seats is bolted to the shovel plate trailer; a plurality of rib plate positioning grooves are provided on the side surface of the shovel plate trailer facing the arc-shaped inner support assembly, and the shovel plate to be welded is attached to the shovel plate trailer and fixed by bolts.

Preferably, the pin support is a U-shaped structure with an opening set downward, the top of the pin support is fixed on the middle bottom surface of the lifting positioning frame, and the two vertical side walls of the pin support penetrate the plug-in shaft to position the locating pins that constrain the lifting ear plate.

Preferably, a fixing pin is laterally fixedly inserted into the bottom of the lifting seat, and a positioning lifting ear plate is hung on the fixing pin in a vertical posture.

The advantages and technical effects of the utility model are:

The utility model provides a combined welding tool for a push shovel, which positions an arc-shaped main board through an arc-shaped internal support assembly, and positions a top support end plate at the rear end and left and right sides of the arc-shaped main board through a lateral positioning seat and a top support screw; then, a shovel plate and a rib plate are tilted and supported at a fixed angle by a shovel plate trailer, so as to facilitate welding and fixing of the shovel plate and the rib plate to the front end edge of the arc-shaped main board; finally, a coupling plate and a hoisting ear plate on the outer arc surface of the top of the arc-shaped main board are positioned through a pin shaft support and a hoisting seat hoisted on a hoisting positioning frame, so as to realize the combined positioning and combined welding operations of various parts of the push shovel one by one.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of the utility model;

FIG2 is a schematic diagram of the three-dimensional structure of the utility model (positioning posture of the bulldozer);

Fig. 3 is a side view of the utility model;

FIG4 is a side view of the utility model (bushing shovel positioning posture);

In the figure: 1-base plate; 2-hoisting positioning frame; 3-arc-shaped inner support assembly; 4-hoisting seat; 5-pin support; 6-trapezoidal fixing seat; 7-shovel plate bracket; 8-lateral positioning seat; 9-end plate; 10-coupling plate; 11-hoisting ear plate; 12-shovel plate; 13-rib plate; 14-arc-shaped main board; 15-locating pin; 16-fixing pin; 17-top support screw; 18-rib plate positioning groove.

DETAILED DESCRIPTION

In order to further understand the content, features and effects of the utility model, the following embodiments are given as examples and described in detail with reference to the accompanying drawings. It should be noted that the embodiments are descriptive, not restrictive, and the protection scope of the utility model cannot be limited thereby.

A combined welding tool for a bulldozer, comprising a bottom plate 1, a bulldozer positioned on the bottom plate comprising an arc-shaped main plate 14 of the bulldozer, an end plate 9 welded vertically to the rear end and both side edges of the arc-shaped main plate, a shovel plate 12 and a rib plate 13 welded to the front end edge of the main plate in an inclined manner, and a coupling plate 10 and a lifting ear plate 11 welded and fixed to the outer arc surface of the arc-shaped main plate;

A positioning shovel is buckled on the base plate, and an arc-shaped inner support component 3 is fixedly arranged in the middle of the base plate. A lifting and positioning frame 4 is installed on the upper lifting frame of the base plate. A plurality of lateral positioning seats 8 for supporting end plates are fixedly arranged on the left and right sides and the top surface of the rear end of the base plate, and a shovel plate trailer 7 is fixedly arranged in an inclined posture at the front end of the base plate; a plurality of pin shaft supports 5 for axially positioning the lifting coupling plate above the arc-shaped main board are arranged on the lifting and positioning frame, and a lifting seat 4 for hanging and positioning the lifting ear plate is provided on the middle bottom surface of the lifting and positioning frame.

Preferably, the arc-shaped inner support assembly includes a plurality of arc-shaped plates vertically fixed on the top surface of the bottom plate, and the outer arc surface of the arc-shaped plate cooperates with the inner arc surface of the arc-shaped main plate for support.

Preferably, a supporting screw 17 penetrates through and is threadedly connected to the lateral positioning seat, and one end of the supporting screw is supported and positioned on the side wall of the end plate.

Preferably, a plurality of trapezoidal fixing seats 6 are fixed on the top surface of the front end of the base plate, and the top inclined surface of the trapezoidal fixing seats is bolted to the shovel board trailer; a plurality of rib plate positioning grooves 18 are provided on one side surface of the shovel board trailer facing the arc-shaped inner support assembly, and the shovel board to be welded is attached to the shovel board trailer and fixed by bolts.

Preferably, the pin support is a U-shaped structure with an opening set downward, the top of the pin support is fixed on the middle bottom surface of the lifting positioning frame, and the two vertical side walls of the pin support penetrate the plug-in shaft to position the positioning pin 15 that constrains the lifting ear plate.

Preferably, a fixing pin 16 is laterally fixedly inserted into the bottom of the lifting seat, and a positioning lifting ear plate is hung on the fixing pin in a vertical posture.

In order to more clearly illustrate the specific implementation of the utility model, an embodiment is provided below:

The utility model discloses a combined welding tool for a push shovel, and the assembled product is a push shovel. All workpieces and small group assemblies are stacked on the tool in sequence according to the positioning blocks and shaft-through methods of the tool, and spot welded and welded step by step. After the main body (arc-shaped main plate and end plate) is welded, the corresponding ear plates are integrated and hoisted and installed on the push shovel. After the self-inspection is qualified, the workpiece is spot welded. The tool can accurately ensure the assembly accuracy of the workpiece, greatly improve the production efficiency, and ensure the product quality.

Finally, all the undescribed parts of the present invention adopt mature products and mature technical means in the prior art.

It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims (6)

1. A combined welding tool for a bulldozer, comprising a bottom plate, a bulldozer positioned on the bottom plate, comprising an arc-shaped main plate of the bulldozer, end plates welded to the rear end and both side edges of the arc-shaped main plate in a vertical posture, a shovel plate and a rib plate welded to the front edge of the main plate in an inclined posture, and a coupling plate and a lifting ear plate welded and fixed to the outer arc surface of the arc-shaped main plate; The characteristics are as follows: a positioning shovel is buckled on the base plate, an arc-shaped inner support assembly is fixedly provided in the middle of the base plate, a lifting and positioning frame is installed above the base plate, a plurality of lateral positioning seats of top support end plates are fixedly provided on the left and right sides and the top surface of the rear end of the base plate, and a shovel plate trailer is fixedly provided in an inclined posture at the front end of the base plate; a plurality of pin shaft supports for axially positioning the lifting coupling plate above the arc-shaped main board are provided on the lifting and positioning frame, and a lifting seat for hanging and positioning the lifting ear plate is provided on the middle bottom surface of the lifting and positioning frame. 2. A combined welding tooling for a bulldozer according to claim 1, characterized in that: the arc-shaped inner support assembly includes a plurality of arc-shaped plates vertically fixed on the top surface of the base plate, and the outer arc surface of the arc-shaped plate cooperates with the top support on the inner arc surface of the arc-shaped main board. 3. A combined welding tool for a push shovel according to claim 1, characterized in that: a supporting screw is penetrated and threadedly connected on the lateral positioning seat, and one end of the supporting screw is supported and positioned on the side wall of the end plate. 4. A combined welding tool for a push shovel according to claim 1, characterized in that: a plurality of trapezoidal fixing seats are fixedly arranged on the top surface of the front end of the base plate, and a shovel plate bracket is fixedly connected with bolts on the top inclined surface of the trapezoidal fixing seat; a plurality of rib plate positioning grooves are provided on one side surface of the shovel plate bracket facing the arc-shaped inner support assembly, and the shovel plate to be welded is attached to the shovel plate bracket and fixedly fixed with bolts. 5. A combined welding tooling for a bulldozer according to claim 1, characterized in that: the pin support is a U-shaped structure with an opening set downward, the top of the pin support is fixed on the middle bottom surface of the lifting positioning frame, and the two vertical side walls of the pin support penetrate the plug-in shaft to position the locating pins that constrain the lifting ear plate. 6. A combined welding tool for a bulldozer according to claim 1, characterized in that a fixing pin is laterally fixed and inserted at the bottom of the lifting seat, and a positioning lifting ear plate is hung on the fixing pin in a vertical posture.