CN210649239U

CN210649239U - Welding tool for shear hinge

Info

Publication number: CN210649239U
Application number: CN201921496376.0U
Authority: CN
Inventors: 刘国孜; 乔利军; 刘艳旭
Original assignee: Jiangsu Qihao Precision Machinery Co ltd
Current assignee: Jiangsu Qihao Precision Machinery Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-02
Anticipated expiration: 2029-09-10

Abstract

The utility model belongs to the technical field of the shear force hinge machine-building, especially, be a welding frock of shear force hinge, including locating plate and connecting plate, be equipped with the clamp plate on the locating plate, the inside activity of clamp plate is pegged graft and is had the guide arm, the spring has been cup jointed to the surface of guide arm, threaded connection has the screw rod on the clamp plate, through the locating plate is fixed with the hole that the clamp plate correspondence was seted up the connecting plate, stick A and stick B are welded respectively at the both ends of connecting plate. The positioning plate of the utility model is accurate in positioning in three directions; the pressing plate is pressed and then welded, so that the welding stress is prevented from causing the part to deviate from the positioning groove, and after the welding is finished, the spring can jack the pressing plate and loosen the welding part, so that the replacement is convenient; the structure is novel, the precision is high, and the operation is convenient; the welding process is time-saving and labor-saving, the efficiency is high, and the production cost is reduced.

Description

Welding tool for shear hinge

Technical Field

The utility model relates to a technical field is made to shear force hinge machinery, specifically is a welding frock of shear force hinge.

Background

The structural part of the shear hinge, in which two adjacent cantilevers are mutually connected, is characterized in that the shear hinge only bears the transfer shear force and does not bear the transfer bending moment.

The effect is that under the vertical load effect, all units can be stressed together, the end point deflection of adjacent cantilevers is consistent, and the adjacent cantilevers can be ensured to freely stretch and rotate. The infrastructure from bridges to railways is used in large quantities.

A part of a shear hinge needs to be welded, the part is formed by welding a rod A, a rod B and a connecting plate, and due to the fact that the diameter sizes of the rod A and the rod B are different and the thickness size of the rod A and the thickness size of the rod B are different from that of the connecting plate, when a tool is not used, various problems of distortion, error of center distance between two round rods, non-planar central lines of three parts, low welding efficiency, high cost and the like of a welded product occur.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a welding frock of shear force hinge has solved the problem among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a welding frock of shear force hinge, includes locating plate and connecting plate, be equipped with the clamp plate on the locating plate, the inside activity of clamp plate is pegged graft and is had the guide arm, the surface of guide arm has cup jointed the spring, threaded connection has the screw rod on the clamp plate, through the hole that locating plate and clamp plate correspond to be seted up is fixed the connecting plate, stick A and stick B are welded respectively to the both ends of connecting plate.

As an optimal technical scheme of the utility model, the both ends of spring contact but unfixed with clamp plate and locating plate respectively.

As an optimized technical scheme of the utility model, set up the guide arm respectively on locating plate and the clamp plate and run through fixed hole site.

As a preferred technical scheme of the utility model, all set up the screw with screw rod looks adaptation in locating plate and the clamp plate.

As an optimized technical scheme of the utility model, set up the hole site with excellent A and excellent B looks adaptation on locating plate and the clamp plate respectively.

(III) advantageous effects

Compared with the prior art, the utility model provides a welding frock of shear force hinge possesses following beneficial effect:

according to the welding tool for the shear hinge, the positioning plate is accurately positioned in three directions; the pressing plate is pressed and then welded, so that the welding stress is prevented from causing the part to deviate from the positioning groove, and after the welding is finished, the spring can jack the pressing plate and loosen the welding part, so that the replacement is convenient; the structure is novel, the precision is high, and the operation is convenient; the welding process is time-saving and labor-saving, the efficiency is high, and the production cost is reduced.

Drawings

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

FIG. 2 is an assembly view of the structure of the present invention;

fig. 3 is the connection structure diagram of the connection board of the present invention.

In the figure: 1. positioning a plate; 2. pressing a plate; 3. a spring; 4. a guide bar; 5. a screw; 6. a rod A; 7. a connecting plate; 8. and a bar B.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a welding frock of shear force hinge, includes locating plate 1 and connecting plate 7, is equipped with clamp plate 2 on the locating plate 1, and the inside activity of clamp plate 2 is pegged graft and is had guide arm 4, and spring 3 has been cup jointed to the surface of guide arm 4, and threaded connection has screw rod 5 on the clamp plate 2, and through locating plate 1 and the hole fixed connection board 7 that clamp plate 2 corresponds to and set up, stick A6 and stick B8 are welded respectively at the both ends of connecting plate 7.

In the embodiment, the pressing plate 2 is provided with three corners, 4 through holes are arranged in the middle, 3 peripheral through holes are guide column holes, one in the middle is a screw rod hole, and bosses are arranged at two positions below the three corners of the pressing plate 2 and respectively correspond to a rod A6 and a connecting plate 7 with small diameters; the spring 3 penetrates through the guide rod 4, the guide rod 4 is fixed on the positioning plate 1, and the pressing plate 2 penetrates through the guide rod 4; the screw rod 5 penetrates through the pressure plate 2 and is screwed into a threaded hole of the positioning plate 1; the screw 5 may be replaced with a cylinder.

Specifically, two ends of the spring 3 are respectively contacted with the pressure plate 2 and the positioning plate 1 but are not fixed.

In this embodiment, the spring 3 is movably pressed between the pressing plate 2 and the positioning plate 1.

Specifically, the positioning plate 1 and the pressing plate 2 are respectively provided with hole sites through which the guide rods 4 penetrate for fixation.

In this embodiment, the guide rod 4 penetrates through the pressing plate 2 and penetrates into the positioning plate 1, and is fixed to the positioning plate 1.

Specifically, screw holes matched with the screw rods 5 are formed in the positioning plate 1 and the pressing plate 2.

In this embodiment, the screw rod 5 penetrates through the pressing plate 2 and slides with the pressing plate 2, and the screw rod 5 is screwed into a screw hole inside the positioning plate 1.

Specifically, the positioning plate 1 and the pressing plate 2 are respectively provided with hole sites matched with the rod A6 and the rod B8.

In this embodiment, the hole positions vary according to the actual situation and the shape.

The utility model discloses a theory of operation and use flow:

1. after the tool is set, the rod A6, the rod B8 and the connecting plate 7 are respectively placed at the corresponding positions of the positioning plate 1 according to the design direction;

2. a wrench is used for rotating the screw rod 5, and the screw rod 5 drives the pressing plate 2 to compress the spring 3 together;

3. until the pressing plate 2 simultaneously presses three welding parts;

4. starting to perform spot welding at a plurality of positions to connect the three parts;

5. the screw 5 is loosened, and the spring 3 jacks up the pressure plate 2;

6. taking out the welding part, performing reverse spot welding, and then performing full welding.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a welding frock of shear force hinge, includes locating plate (1) and connecting plate (7), its characterized in that: be equipped with clamp plate (2) on locating plate (1), clamp plate (2) inside activity is pegged graft and is had guide arm (4), spring (3) have been cup jointed to the surface of guide arm (4), threaded connection has screw rod (5) on clamp plate (2), through locating plate (1) is fixed with the hole that clamp plate (2) correspond was seted up connecting plate (7), stick A (6) and stick B (8) are welded respectively at the both ends of connecting plate (7).

2. The welding frock of shear hinge of claim 1, characterized in that: and two ends of the spring (3) are respectively contacted with the pressure plate (2) and the positioning plate (1) but are not fixed.

3. The welding frock of shear hinge of claim 2, characterized in that: hole sites for the guide rods (4) to penetrate and fix are respectively arranged on the positioning plate (1) and the pressing plate (2).

4. The welding frock of shear hinge of claim 1, characterized in that: screw holes matched with the screw rods (5) are formed in the positioning plate (1) and the pressing plate (2).

5. The welding frock of shear hinge of claim 1, characterized in that: hole sites matched with the rod A (6) and the rod B (8) are respectively arranged on the positioning plate (1) and the pressing plate (2).