CN216503092U - Steel arch bridge deck slab side form welding mechanism - Google Patents

Abstract

The utility model discloses a welding mechanism for a side mold of a bridge deck plate of a steel arch bridge, and relates to the technical field of welding mechanisms; the arch bridge welding device comprises a mounting table, a pair of bases, a first sliding rail, a first motor, a first double-threaded rod and a welding device, wherein the bases are symmetrically mounted on two sides of the bottom end of the mounting table, the bases corresponding to the front and the back are rotatably connected with a supporting roll through bearing seats, the two sides of the bottom end of the mounting table are respectively provided with a first sliding rail, the first sliding rail is slidably connected with a first sliding block, the first sliding block is fixedly provided with a side jacking device, two sides of the double-threaded rod respectively penetrate through the inner cavity of the side jacking device to be rotatably connected with the side wall of the mounting table, the first motor is fixedly mounted on the outer side of the mounting table, the output end of the first motor is fixedly connected with the double-threaded rod, and the top end of the mounting table is provided with the welding device.

Description

Steel arch bridge deck slab side form welding mechanism

Technical Field

The utility model belongs to the technical field of welding mechanisms, and particularly relates to a steel arch bridge deck slab side mold welding mechanism.

Background

Arch bridges (arch bridges) refer to bridges in the vertical plane with an arch as the main load bearing member of the structure. an arch bridge is known if the arch forms a surface in the powder layer in the container that can withstand the pressure of the powder above without transmitting this pressure to the underlying surface. The arch bridge is an upward convex curved surface, the maximum main stress acts along the curved surface of the arch bridge, and the minimum main stress along the vertical direction of the arch bridge is zero. The process of forming and disintegrating arch bridges, known as floating arch bridges, may occur repeatedly during the powder outflow process under the action of gravity.

For the surfacing of the arc surface of a large arch bridge, manual shielded metal arc welding is generally adopted. Although the method has the advantages of flexible operation, strong adaptability and the like, the method also has the defects of low production efficiency, high labor intensity of welders, easy occurrence of welding defects caused by manual operation factors and the like.

SUMMERY OF THE UTILITY MODEL

Aiming at solving the problems of the defects and the shortcomings of the prior art; the utility model aims to provide a steel arch bridge deck slab side mold welding mechanism which is simple in structure, reasonable in design and convenient to use, can be used for quickly fixing an arch bridge reversely, welding straight seams of the arch bridge through a welding device, and is stable in welding quality, low in labor intensity and high in efficiency.

In order to achieve the purpose, the utility model adopts the technical scheme that: the device comprises an installation table, a base, a supporting roller, a first sliding rail, a first sliding block, a side jacking device, a double threaded rod, a first motor and a welding device; a pair of base is installed to the bilateral symmetry of installation table bottom, keeps rotating through bearing frame and backing roll on the base that corresponds around and is connected, slide rail one is installed respectively to the both sides of installation table bottom, slide rail one keeps sliding connection with slider one, fixed mounting has the tight device in side top on the slider one, the both sides of double-threaded rod are passed the tight device in side top's inner chamber respectively and are kept rotating with the lateral wall of installation table and be connected, a motor fixed mounting is in the outside of installation table, and the output and the double thread pole of motor one keep fixed connection, welding set is installed on the top of installation table.

Preferably, the welding device consists of a second sliding rail, a sliding block, a connecting block, a cylinder, a bottom plate, a screw rod, a second motor, a welding gun and a distance sensor; the second sliding rail is fixedly mounted on a top plate of the mounting table, the sliding block is in sliding connection with the second sliding rail, a connecting block is fixedly connected to the bottom end of the sliding block, an air cylinder is mounted at the bottom of the connecting block, an extending end of the air cylinder is fixedly connected with a bottom plate, a welding gun and a distance sensor are fixedly mounted on the bottom plate, the lead screw penetrates through an inner cavity of the connecting block and is in threaded connection with the connecting block, two ends of the lead screw are mounted on side plates of the mounting table through bearing seats, the second motor is fixedly mounted on the outer side of the mounting table, and the output end of the second motor is fixedly connected with the lead screw.

Preferably, the side jacking device consists of an L-shaped plate, a bolt, a spring and a pressing plate; the L-shaped plate is movably inserted with a bolt, the outer side wall of the bolt is sleeved with a spring, and the bottom of the bolt is fixedly provided with a pressing plate.

Preferably, the L-shaped plate is fixedly provided with threaded holes which are matched with the double-threaded rods, and the upper end of the L-shaped plate is fixedly provided with through holes for inserting bolts.

Preferably, the left side and the right side of the double-threaded rod are respectively and symmetrically provided with positive and negative threads, one end of the positive thread is provided with a positive thread, and the other end of the negative thread is provided with a negative thread.

Preferably, the air cylinder, the second motor and the distance sensor are electrically connected with an external controller.

Compared with the prior art, the utility model has the beneficial effects that: the utility model can quickly fix the arch bridge reversely, and weld the straight seam of the arch bridge through the welding device, and has stable welding quality, low labor intensity and high efficiency.

Drawings

For ease of illustration, the utility model is described in detail by the following detailed description and the accompanying drawings.

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the welding apparatus 9 according to the present invention;

fig. 4 is a schematic structural view of the side tightening device 6 of the present invention.

In the figure: the device comprises an installation table 1, a base 2, a support roller 3, a first sliding rail 4, a first sliding block 5, a side jacking device 6, a double-threaded rod 7, a first motor 8, a welding device 9, a second sliding rail 91, a sliding block 92, a connecting block 93, an air cylinder 94, a bottom plate 95, a screw rod 96, a second motor 97, a welding gun 98, a distance sensor 99, an L-shaped plate 61, a threaded hole 611, a through hole 612, a bolt 62, a spring 63 and a pressing plate 64.

Detailed Description

In order that the objects, aspects and advantages of the utility model will become more apparent, the utility model will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.

As shown in fig. 1 and 2, the following technical solutions are adopted in the present embodiment: the device comprises an installation table 1, a base 2, a supporting roller 3, a sliding rail I4, a sliding block I5, a side jacking device 6, a double-thread rod 7, a motor I8 and a welding device 9; a pair of base 2 is installed to the bilateral symmetry of 1 bottom of installation table, keeps rotating through bearing frame and backing roll 3 on the base 2 that corresponds around and is connected, slide rail 4 is installed respectively to the both sides of 1 bottom of installation table, slide rail 4 keeps sliding connection with slider 5, fixed mounting has side tight device 6 in top on the slider 5, the both sides of double-threaded rod 7 are passed the inner chamber that the tight device 6 in side top was kept rotating with the lateral wall of installation table 1 respectively and are connected, 8 fixed mounting of motor keeps fixed connection in the outside of installation table 1, and the output of motor 8 keeps fixed connection with double thread pole 7, welding set 9 is installed on the top of installation table 1, the left and right sides of double-threaded rod 7 symmetry respectively is provided with just anti-silk, one end is just silk, the other end is anti-silk.

As shown in fig. 3, further, the welding device 9 is composed of a second sliding rail 91, a sliding block 92, a connecting block 93, an air cylinder 94, a bottom plate 95, a screw 96, a second motor 97, a welding gun 98 and a distance sensor 99; the second sliding rail 91 is fixedly installed on a top plate of the installation table 1, the sliding block 92 is in sliding connection with the second sliding rail 91, the bottom end of the sliding block 92 is fixedly connected with a connecting block 93, an air cylinder 94 is installed at the bottom of the connecting block 93, an extending end of the air cylinder 94 is fixedly connected with a bottom plate 95, a welding gun 98 and a distance sensor 99 are fixedly installed on the bottom plate 95, the lead screw 96 penetrates through an inner cavity of the connecting block 93 and is in threaded connection with the connecting block 93, two ends of the lead screw 96 are installed on a side plate of the installation table 1 through bearing seats, the second motor 97 is fixedly installed on the outer side of the installation table 1, an output end of the second motor 97 is fixedly connected with the lead screw 96, and the air cylinder 94, the second motor 97 and the distance sensor 99 are all electrically connected with an external controller.

As shown in fig. 4, further, the side tightening device 6 is composed of an L-shaped plate 61, a bolt 62, a spring 63 and a pressure plate 64; the movable interlude has bolt 62 on the L template 61, the fixed through-hole 612 that is used for bolt 62 to alternate usefulness that is provided with in upper end of L template 61, has cup jointed spring 63 on bolt 62's the lateral wall, the fixed clamp plate 64 that is provided with in bottom of bolt 62, L template 61 is last to be fixed be provided with and to keep the screw hole 611 of mutually supporting with double thread pole 7, drives L template 61 through double thread pole 7 and removes in opposite directions.

The working principle of the specific embodiment is as follows: firstly, reversely placing the arch bridge on the supporting roller 3, pushing the straight seam to be welded of the arch bridge to be right below a welding gun 98, placing the straight seam between the L-shaped plates 61 and the bolts 62 through a cushion block, jacking the bolts 62, compressing the springs 63, driving the double-threaded rod 7 to rotate through a first motor 8 at the moment, enabling the L-shaped plates 61 at two sides to synchronously move inwards, clamping the middle arch bridge, taking out the cushion block below the bolts 62, enabling the pressing plate 64 to tightly press the arch bridge through the natural expansion function of the springs 63 to improve the stability of the arch bridge, driving the lead screw 96 to rotate through a second motor 97 to enable the welding gun 98 at the lower end to move along a second sliding rail 91, feeding back a signal to a controller through a distance sensor 99 while the welding gun 98 moves, controlling the expansion of the cylinder 94 by the controller, enabling the distance between the welding gun 98 and the arch bridge to be kept within the optimal welding range, and ensuring the stable welding quality of the welding seam, the utility model can quickly fix the arch bridge reversely, and weld the straight seam of the arch bridge through the welding device, and has stable welding quality, low labor intensity and high efficiency.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a steel arched bridge decking side form welding mechanism which characterized in that: the device comprises an installation table (1), a base (2), a supporting roller (3), a sliding rail I (4), a sliding block I (5), a side jacking device (6), a double-threaded rod (7), a motor I (8) and a welding device (9); a pair of base (2) is installed to the bilateral symmetry of installation table (1) bottom, keeps rotating through bearing frame and backing roll (3) on base (2) that the front and back corresponds and is connected, slide rail (4) are installed respectively to the both sides of installation table (1) bottom, slide rail (4) keep sliding connection with slider (5), fixed mounting has side top tight device (6) on slider (5), the both sides of double-threaded rod (7) are passed the inner chamber of side top tight device (6) respectively and are kept rotating with the lateral wall of installation table (1) and are connected, motor (8) fixed mounting is in the outside of installation table (1), and the output and the double-threaded rod (7) of motor (8) keep fixed connection, welding set (9) are installed on the top of installation table (1).

2. The steel arch bridge deck slab side mold welding mechanism of claim 1, wherein: the welding device (9) consists of a second sliding rail (91), a sliding block (92), a connecting block (93), an air cylinder (94), a bottom plate (95), a screw rod (96), a second motor (97), a welding gun (98) and a distance sensor (99); the utility model discloses a lead screw, including mounting table (1), slide rail two (91), cylinder (94), bottom plate (95), slider (92) and slide rail two (91) keep sliding connection, the bottom fixedly connected with connecting block (93) of slider (92), cylinder (94) are installed to the bottom of connecting block (93), and the end that stretches out of cylinder (94) keeps fixed connection with bottom plate (95), fixed mounting has welder (98) and distance sensor (99) on bottom plate (95), lead screw (96) pass the inner chamber of connecting block (93), and keep threaded connection with connecting block (93), and the both ends of lead screw (96) are passed through the bearing frame and are installed on the curb plate of mounting table (1), motor two (97) fixed mounting is in the outside of mounting table (1), and the output of motor two (97) keeps fixed connection with lead screw (96).

3. The steel arch bridge deck slab side mold welding mechanism of claim 1, wherein: the side jacking device (6) consists of an L-shaped plate (61), a bolt (62), a spring (63) and a pressing plate (64); the L-shaped plate (61) is movably inserted with a bolt (62), the outer side wall of the bolt (62) is sleeved with a spring (63), and a pressing plate (64) is fixedly arranged at the bottom of the bolt (62).

4. The steel arch bridge deck slab side mold welding mechanism of claim 3, wherein: the L-shaped plate (61) is fixedly provided with a threaded hole (611) which is matched with the double-threaded rod (7) in a maintaining mode, and the upper end of the L-shaped plate (61) is fixedly provided with a through hole (612) for penetrating of the bolt (62).

5. The steel arch bridge deck slab side mold welding mechanism of claim 1, wherein: the left side and the right side of the double-threaded rod (7) are respectively and symmetrically provided with positive and negative threads, a positive thread at one end and a negative thread at the other end.

6. The steel arch bridge deck slab side mold welding mechanism of claim 2, wherein: and the air cylinder (94), the second motor (97) and the distance sensor (99) are electrically connected with an external controller.

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