CN211277195U

CN211277195U - Shield body blocking and positioning welding tool

Info

Publication number: CN211277195U
Application number: CN201922355802.5U
Authority: CN
Inventors: 刘彦军; 刘豪; 杨茹沫
Original assignee: China Railway Engineering Equipment Group Shield Manufacturing Co Ltd
Current assignee: China Railway Engineering Equipment Group Shield Manufacturing Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-18
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to the technical field of shield body manufacturing, in particular to a shield body partitioning and positioning welding tool, which comprises a first pulling plate, a second pulling plate and a pin, wherein the first pulling plate is fixedly connected with the outer edge of a first shield body partitioning in adjacent shield body partitioning; the second pulling plate is fixedly connected to the outer edge of the second shield body block in the adjacent shield body blocks and is arranged corresponding to the pulling plate; the rear section of the pin is set as a taper pin, the front section of the pin is set as a threaded shaft, and the shaft diameter of the threaded shaft is smaller than that of the taper pin; the pull plate I and the pull plate II are provided with corresponding conical pin holes, the pins sequentially penetrate through the conical pin holes of the pull plate I and the pull plate II and then are connected with the nuts, one part of the threaded shaft is located in the conical pin hole of the pull plate II, and a gap is formed between the lower end of the pull plate I and the lower end of the pull plate II. The utility model discloses a shield body piecemeal fixed-position welding frock can be inseparabler with the piecemeal shield body coupling of piecemeal, and more laminate, and the platform that misplaces is not guaranteed to the precision, has avoided follow-up weldment work's deformation.

Description

Shield body blocking and positioning welding tool

Technical Field

The utility model relates to a shield body makes technical field, concretely relates to shield body piecemeal fixed-position welding frock.

Background

At present, along with stricter transportation requirements, more limitation on transportation conditions of overseas projects and increased requirements on large-diameter shields, the requirements on a segmented shield machine are more obvious at present, shield welding is required to be carried out on segmented shields or double-layer shield shell type shields on site, but if no practical shield segmented positioning welding tool is available, tightness and fitting degree of the shields after combination cannot be controlled during welding, and the phenomenon of wrong platforms can occur after the shield welding is finished.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that above-mentioned exists with not enough, provide a shield body piecemeal fixed-position welding frock, this frock of accessible carries out fixed-position welding between two shield body piecemeal, can be with the piecemeal shield body coupling inseparabler, and more laminate, the platform of not having wrong, guarantees the location precision, has avoided follow-up weldment work's deformation.

In order to realize the purpose of the utility model, the technical proposal of the utility model is that:

a shield body partitioning and positioning welding tool comprises a first pulling plate, a second pulling plate and a pin, wherein the first pulling plate is fixedly connected to the outer edge of a first shield body partitioning block in adjacent shield body partitioning blocks; the second pulling plate is fixedly connected to the outer edge of the second shield body block in the adjacent shield body blocks and is arranged corresponding to the pulling plate; the rear section of the pin is set as a taper pin, the front section of the pin is set as a threaded shaft, and the shaft diameter of the threaded shaft is smaller than that of the taper pin; the screw shaft is partially positioned in the conical pin hole of the pulling plate II, and a gap is formed between the lower end of the pulling plate I and the lower end of the pulling plate II.

Further, in the shield body blocking and positioning welding tool, a top plate is fixedly connected to the front end of the first pulling plate, the sizes of the two sides and the lower portion of the top plate are smaller than the sizes of the two sides and the lower portion of the first pulling plate, conical pin holes are also formed in the top plate, the pins sequentially penetrate through the conical pin holes in the first pulling plate, the top plate and the second pulling plate, and the top plate is tightly attached to the second pulling plate.

Further, in the shield body blocking and positioning welding tool, the cross section of the top plate is circular.

Further, in the shield body partitioning and positioning welding tool, grooves are machined in the lower portions of the two surfaces of the first pulling plate and the second pulling plate.

Further, in the shield body blocking and positioning welding tool, the top plate is connected with the pull plate in a welding mode.

Further, in the shield body block positioning welding tool, the first pulling plate is connected to the outer edge of a first shield body block in adjacent shield body blocks in a welding mode, the rear end of the first pulling plate is connected with a rib plate in a welding mode, the second pulling plate is connected to the outer edge of a second shield body block in adjacent shield body blocks in a welding mode, and the front end of the second pulling plate is connected with the rib plate in a welding mode.

Further, in the above shield partitioning fixed-position welding tool, a first shield partitioning block and a second shield partitioning block in adjacent shield partitioning blocks are connected by a plurality of shield partitioning fixed-position welding tools.

The utility model discloses a shield body piecemeal fixed-position welding frock's beneficial effect:

1. the utility model discloses a shield body blocking fixed-position welding frock can be used to the blocking type shield body that the blocking form is the welding form, can carry out the fixed-position welding through this frock between two shield body blocks, and the taper pin has certain inclination through wearing in, makes overall structure tightiness better, and locking effect is good, can be with blocking type shield body connection inseparabler, and more laminating, the wrong platform does not have, guarantees the location precision, has avoided the deformation of follow-up welding work;

2. in the shield body partitioning and positioning welding tool, the top plate is fixedly connected to the front end of the first pull plate, and the sizes of the two sides and the lower part of the top plate are smaller than those of the first pull plate, so that the gap between the lower parts of the first pull plate and the second pull plate is larger, and whether two shield body partitions are attached or not can be conveniently observed;

3. in the shield body block positioning welding tool, grooves are machined on the lower parts of two surfaces of a first pulling plate and a second pulling plate, the grooves on the lower parts of the first pulling plate and the second pulling plate are welding grooves, and the groove arranged on the lower part of the other surface enables the gap between the lower parts of the first pulling plate and the second pulling plate to be large, so that whether two shield body blocks are attached or not can be conveniently observed, and welding between the shield body blocks is facilitated;

4. the utility model discloses an in shield body piecemeal fixed-position welding frock, all be connected with the gusset on the arm-tie one and the arm-tie two, can increase frock bulk strength.

Drawings

FIG. 1 is a schematic view of a state of use of a shield partitioning and positioning welding tool on a partitioned shield according to an embodiment of the present invention.

Fig. 2 is a schematic sectional structure view of B-B of fig. 1.

Fig. 3 is a schematic view of the structure in the direction a of fig. 1.

Fig. 4 is a schematic structural diagram of a top plate according to an embodiment of the present invention.

In the figure: 100 is a shield body block positioning welding tool, 101 is a rib plate, 102 is a pin, 103 is a first pulling plate, 104 is a top plate, 105 is a second pulling plate, 106 is a gasket, 107 is a nut, and 200 is a shield body block.

Detailed Description

The shield body partitioning and positioning welding tool of the present invention will be described in more detail below with reference to the accompanying drawings and specific embodiments.

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, and are only for convenience of description and simplicity of 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 4, the embodiment discloses a shield partitioning and positioning welding tool, which can be applied to a partitioned shield in a welding form, and comprises a first pulling plate, a second pulling plate and a pin, wherein the first pulling plate is fixedly connected to the outer edge of a first shield partitioning block in adjacent shield partitioning blocks; the second pulling plate is fixedly connected to the outer edge of the second shield body block in the adjacent shield body blocks and is arranged corresponding to the pulling plate; compared with a cylindrical pin and a bolt, the conical pin has a certain inclination when penetrating, so that the tightness of the whole structure is better, the anti-loosening effect is good, and the fitting degree of the shield body is better; the pull plate I and the pull plate II are provided with corresponding conical pin holes, the pins sequentially penetrate through the conical pin holes of the pull plate I and the pull plate II and then are connected with the gasket and the nut, one part of the threaded shaft is located in the conical pin hole of the pull plate II, the nut is screwed up to strain the pull plate I and the pull plate II, and a gap is formed between the lower end of the pull plate I and the lower end of the pull plate II. The use of this frock can be inseparabler with sectional type shield body connection, and more laminating, and the platform that has not staggered has avoided follow-up welding work's deformation etc..

The shield body divides the theory of operation of fixed-position welding frock: after the two shield body blocks are connected, when the shield body block positioning welding tool is used for positioning, the pins penetrate through one side of the pull plate, the nuts are screwed on the threaded shaft sections on the other sides of the pull plate, so that the pins are fastened, then the two shield body blocks can be tightly attached without wrong platforms, and the next welding work can be carried out.

In this embodiment, preferably, the top plate is fixedly connected to the front end of the first pulling plate, the top plate is welded to the first pulling plate, the sizes of the two sides and the lower portion of the top plate are smaller than those of the two sides and the lower portion of the first pulling plate, the top plate is also provided with a conical pin hole, the pin sequentially penetrates through the conical pin holes in the first pulling plate, the top plate and the second pulling plate, and the top plate is tightly attached to the second pulling plate. The gap between the lower parts of the first pulling plate and the second pulling plate is larger, whether the two shield blocks are attached or not can be conveniently observed, and when the top plate and the second pulling plate are not in clearance, the two shield blocks are proved to be completely attached.

As shown in fig. 4, on the basis of the above scheme, more preferably, the cross section of the top plate is circular, so that the circle blocks less sight, and whether the two shield blocks are attached or not can be observed more conveniently.

In this embodiment, preferably, the lower edges of the two sides of the first pulling plate and the second pulling plate are both provided with grooves, the grooves at the lower edges of the one sides of the first pulling plate and the second pulling plate are welding grooves for welding with the shield body blocks, and the grooves at the lower edges of the other sides enable the gap between the lower part of the first pulling plate and the lower part of the second pulling plate to be larger, so that whether the two shield body blocks are attached or not can be conveniently observed, and the welding between the shield body blocks is convenient.

In this embodiment, preferably, the first pulling plate is welded to the outer edge of the first shield block in the adjacent shield blocks, the rear end of the first pulling plate is welded to a rib plate, the second pulling plate is welded to the outer edge of the second shield block in the adjacent shield blocks, the front end of the second pulling plate is welded to a rib plate, and the rib plate can increase the overall strength of the tool.

As shown in fig. 1, a first shield block and a second shield block in adjacent shield blocks are connected by a shield block fixed-position welding tool at a certain interval, that is, a shield is connected by a plurality of shield block fixed-position welding tools.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes may be made to the specific embodiments without departing from the concept of the present invention, and various combinations of the technical features and structures of the present invention may be implemented without departing from the scope of the present invention.

Claims

1. The utility model provides a shield body piecemeal fixed-position welding frock which characterized in that includes:

the first pulling plate is fixedly connected to the outer edge of the first shield body block in the adjacent shield body blocks;

the second pulling plate is fixedly connected to the outer edge of the second shield body block in the adjacent shield body blocks and is arranged corresponding to the pulling plate; and

the rear section of the pin is provided with a taper pin, the front section of the pin is provided with a threaded shaft, and the shaft diameter of the threaded shaft is smaller than that of the taper pin;

the screw shaft is partially positioned in the conical pin hole of the pulling plate II, and a gap is formed between the lower end of the pulling plate I and the lower end of the pulling plate II.

2. The shield body blocking and positioning welding tool according to claim 1, wherein a top plate is fixedly connected to the front end of the first pulling plate, the sizes of the two sides and the lower portion of the top plate are smaller than those of the first pulling plate, conical pin holes are also formed in the top plate, the pins sequentially penetrate through the conical pin holes in the first pulling plate, the top plate and the second pulling plate, and the top plate is tightly attached to the second pulling plate.

3. The shield body blocking and positioning welding tool according to claim 2, wherein the cross section of the top plate is circular.

4. The shield body partitioning and positioning welding tool according to claim 2, wherein grooves are machined in the lower portions of the two surfaces of the first pulling plate and the second pulling plate.

5. The shield body blocking and positioning welding tool according to claim 2, wherein the top plate is in welded connection with the pull plate.

6. The shield body partitioning positioning and welding tool according to claim 1, wherein the first pulling plate is connected to the outer edge of a first shield body partitioning of adjacent shield body partitioning in a welding manner, a rib plate is connected to the rear end of the first pulling plate in a welding manner, the second pulling plate is connected to the outer edge of a second shield body partitioning of adjacent shield body partitioning in a welding manner, and a rib plate is connected to the front end of the second pulling plate in a welding manner.

7. The shield body partitioning positioning welding tool of claim 1, wherein a first shield body partitioning block and a second shield body partitioning block in adjacent shield body partitioning blocks are connected through a plurality of shield body partitioning positioning welding tools.