Auxiliary positioning device of box girder line pipe mounting plate

Abstract

The utility model relates to the technical field of assembling and welding auxiliary positioning, in particular to an auxiliary positioning device for a box girder line pipe mounting plate, which comprises a limiting main body, a supporting rod, a positioning rod and at least two adjusting components. The adjusting frame body comprises a sliding rail, and the mounting rod is detachably connected to the fixing rod. And the adjusting frame body, the fixing rod and the mounting rod form a closed frame. The supporting rod is fixedly connected to the adjusting frame body. The positioning rod comprises a detachable positioning plate which is fixedly connected to the supporting rod and parallel to the fixing rod, and the positioning plate is used for fixing the threading plate. The at least two adjusting assemblies are installed at the two ends of the sliding rail, the ball screw is installed on the sliding rail in a sliding mode, the check block is fixedly connected to the ball screw, the adjusting wheel is connected to the ball screw, and the check block is driven by the ball screw to move on the sliding rail. And the position fixation between the box girder and the threading plate can be ensured all the time, so that the concentricity and the stability of the wire pipe during welding are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of welding auxiliary positioning, in particular to a kind of auxiliary positioning device of box girder line pipe mounting plate. BACKGROUND

[0002] Box girder gantry is usually provided with multiple line pipes for cable threading, and the two ends of the line pipes are fixed on the cable threading plates on both sides of the box girder gantry by welding, and the cable threading plates realize the sealing of the box girder.

[0003] In actual application, the length of the gantry is large, and the distance between the two sides of the box girder is large. It is difficult to ensure that the position of each line pipe is appropriate and its axis is consistent with the center line when the cable threading plates on both sides weld the line pipes. When the concentricity of multiple line pipes is poor, the cables inside the line pipes may be blocked, which may cause damage to the cables and pose a safety hazard. UTILITY MODEL CONTENTS

[0004] The utility model is made to solve the above technical problems, and aims to provide an auxiliary positioning device for a box girder line pipe mounting plate, which can maintain stable positioning between the line pipe and the cable threading plate when the two ends of the line pipe are welded and fixed to the cable threading plate.

[0005] To achieve the above purpose, the utility model provides an auxiliary positioning device for a box girder line pipe mounting plate, which includes a limiting main body, an adjusting frame, a fixing rod, a mounting rod, and a mounting rod. The adjusting frame is fixedly connected to the fixing rod. The adjusting frame includes a sliding rail. The mounting rod is detachably connected to the fixing rod. The adjusting frame, the fixing rod, and the mounting rod form a closed frame. A support rod is fixedly connected to the adjusting frame. A positioning rod includes a detachable positioning plate and is fixedly connected to the support rod and arranged parallel to the fixing rod. At least two adjusting assemblies are installed at both ends of the sliding rail and include a ball screw, a stop block, and an adjusting wheel. The ball screw is slidingly installed on the sliding rail. The stop block is fixedly connected to the ball screw. The adjusting wheel is connected to the ball screw.

[0006] Preferably, the ball screw includes a ball nut and a ball screw rod. The ball nut is fixedly connected to the stop block. The ball screw rod is fixedly connected to the adjusting wheel and slidingly installed on the sliding rail.

[0007] Preferably, the adjusting assembly further includes a sliding block fixedly connected to the ball nut.

[0008] Preferably, the ball screw further includes a support seat. The ball screw rod passes through the support seat and is connected to the adjusting wheel.

[0009] Preferably, the slide rail comprises two, which are arranged on the two frame bodies parallel to the adjusting frame body.

[0010] Preferably, the positioning rod further comprises a sliding groove and a positioning bolt, and the positioning bolt is slidably connected to the sliding groove.

[0011] Preferably, the fixing rod comprises an adjusting hole arranged in a vertical direction, and the mounting rod is detachably connected to the adjusting hole.

[0012] Preferably, the supporting rod and the fixing rod are welded to the adjusting frame body.

[0013] Preferably, the adjusting frame body is further provided with a hook.

[0014] The utility model provides a kind of auxiliary positioning device of box girder line pipe mounting plate, including limiting main body, support rod, positioning rod and at least two adjusting components.Limiting main body includes adjusting frame body, fixed rod and mounting rod, adjusting frame body is fixedly connected to fixed rod, adjusting frame body includes slide rail, mounting rod is detachably connected to fixed rod, adjusting frame body, fixed rod, and mounting rod form closed frame, for fixed to box girder, avoid when positioning threading plate, threading plate and box girder relatively move, and then lead to line pipe to be damaged.Support rod is fixedly connected to adjusting frame body, for fixedly connected positioning rod, and ensure that positioning rod and adjusting frame body have certain distance, place when being positioned to threading plate, threading plate and box girder collide, and then affect the stability of entire auxiliary positioning device.Positioning rod includes detachable positioning plate, is fixedly connected to support rod and is arranged in parallel to fixed rod, and positioning plate is used to fixed threading plate.At least two adjusting components are installed at the two ends of slide rail, including ball screw, stopper and adjusting wheel, ball screw is slidably installed on slide rail, stopper is fixedly connected to ball screw, adjusting wheel is connected to ball screw, using ball screw to drive stopper to move on slide rail, realize the clamping of box girder, ensure that the position between box girder and threading plate can be always guaranteed when being positioned to threading plate of box girder using the auxiliary positioning device, when two box girders are fixed, the position of two threading plates is same with preset drawing, ensure that the consistency of concentricity when line pipe is connected. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 For the structure diagram of auxiliary positioning device of box girder line pipe mounting plate involved in an embodiment of the utility model.

[0016] Fig. 2 For the auxiliary positioning device of box girder line pipe mounting plate involved in an embodiment of the utility model is the bottom view.

[0017] Fig. 3The structural schematic view of the adjusting assembly of the auxiliary positioning device of the box girder wire pipe mounting plate is shown in an embodiment of the utility model.

[0018] Fig. 4 The structural schematic view of the auxiliary positioning device of the box girder wire pipe mounting plate in use is shown in another embodiment of the utility model. DETAILED DESCRIPTION

[0019] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations may, however, be implemented in many different forms and should not be construed as limited to the implementations set forth herein; rather, these implementations are provided so that this disclosure will be thorough and complete, and will fully convey the inventive aspects to those skilled in the art. Features, structures, or characteristics described in connection with one implementation can be combined in any suitable manner in one or more implementations.

[0020] In addition, the accompanying drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and serve to explain the principles of the present disclosure. The same reference numbers in different drawings represent the same or similar elements. Descriptions of the features, structures or characteristics can be combined in any suitable manner in one or more implementations.

[0021] Unless otherwise defined, the terms "mounting", "connected", "connecting" are to be construed as broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] In the utility model, an auxiliary positioning device of a box girder wire pipe mounting plate is disclosed, please refer to Figs. 1 to 4In some embodiments, the auxiliary positioning device comprises a limiting body 1, a supporting rod 2, a positioning rod 3 and at least two adjusting assemblies 4. The limiting body 1 comprises an adjusting frame 11, a fixing rod 12 and a mounting rod 13, the adjusting frame 11 is fixedly connected to the fixing rod 12, the adjusting frame 11 comprises a sliding rail 14, the mounting rod 13 is detachably connected to the fixing rod 12, the adjusting frame 11, the fixing rod 12 and the mounting rod 13 form a closed frame for fixing the box girder 5, avoiding relative movement between the threading board 6 and the box girder 5 when the threading board 6 is positioned, thereby causing damage to the pipe 7. The supporting rod 2 is fixedly connected to the adjusting frame 11, used for fixedly connecting the positioning rod 3 and ensuring a certain distance between the positioning rod 3 and the adjusting frame 11, preventing collision between the threading board 6 and the box girder 5 when the threading board 6 is positioned, thereby affecting the stability of the entire auxiliary positioning device. The positioning rod 3 comprises a detachable positioning plate 31, fixedly connected to the supporting rod 2 and arranged parallel to the fixing rod 12, the positioning plate 31 is used for fixing the threading board. The at least two adjusting assemblies 4 are installed at both ends of the sliding rail 14, comprising a ball screw 41, a stop block 42 and an adjusting wheel 43, the ball screw 41 is slidingly installed on the sliding rail 14, the stop block 42 is fixedly connected to the ball screw 41, the adjusting wheel 43 is connected to the ball screw 41, the ball screw 41 drives the stop block 42 to move on the sliding rail 14, realizing clamping of the box girder 5, ensuring that the position between the box girder 5 and the threading board 6 is fixed when the auxiliary positioning device is used to position the threading board 6 of the box girder, thereby ensuring the concentricity and stability of the pipe 7 during welding.

[0023] It can be understood that when the auxiliary positioning device is used to position the threading board 6, the mounting rod 13 is first removed, the entire auxiliary positioning device is placed above the box girder 5 by external equipment such as a travelling crane, the adjusting wheel 43 is adjusted to move the ball screw 41 so that the stop block 42 moves along the sliding rail 14 until it abuts against the outer wall of the box girder 5, and then the mounting rod 13 is installed on the fixing rod 12 to complete the fixation of the box girder 5. The position of the positioning plate 31 on the positioning rod 3 is adjusted, after determining the position, the threading board 6 is fixed between the positioning plates 31, and the pipe 7 is welded on the hole of the threading board 6, so that the threading board 6 and the pipe 7 meet the size requirements of the pre-designed drawing. After the mounting rod 13 is removed, the auxiliary positioning device is moved to the other end of the box girder 5 to complete the fixation of the threading board 6 at the other end, thereby completing the installation and fixation of the pipe 7, ensuring the concentricity of the pipe 7 arranged inside the box girder 5. After the threading board 6 and the pipe 7 are installed, the flange plate (not shown in the figure) is welded with the box girder 5, and the threading board 6 is welded inside the flange plate, completing the sealing of the box girder 5.

[0024] In some embodiments, the ball screw 41 comprises a ball nut 44 and a ball screw rod 45, the ball nut 44 is fixedly connected to the stop block 42, the ball screw rod 45 is fixedly connected to the adjusting wheel 43 and is slidingly installed in the sliding rail 14, the ball screw rod 45 moves in the sliding rail 14 and drives the stop block 42 to move through the action of the ball screw rod 45 and the ball nut 44, so as to realize the clamping and fixing of the box girder 5, and further ensure that the relative movement between the threading plate 6 and the box girder 5 does not occur when the threading plate 6 is positioned.

[0025] Further, in some embodiments, the adjusting assembly 4 further comprises a sliding block 46 fixedly connected to the ball nut 44, when the ball screw rod 45 rotates and drives the ball nut 44 to move horizontally, the sliding block 46 moves together with the ball nut 44, by being provided with the sliding block 46 fixedly connected to the ball nut 44 and the stop block 42, the stable movement of the stop block 42 in the sliding rail 14 is further ensured, and further when the box girder 5 is locked and fastened, the position of the stop block 42 can be quickly adjusted by rotating the adjusting wheel 43, and the stop block 42 is abutted to the outer surface of the box girder 5, so as to realize the fixing of the box girder 5 in the width direction.

[0026] In some embodiments, the ball screw 41 further comprises a support seat 47, the ball screw rod 45 passes through the support seat 47 and is connected to the adjusting wheel 43. By being provided with the support seat 47, the ball screw 41 is fixed, so as to avoid that when the relative rotation occurs between the ball screw rod 45 and the ball nut 44, the ball screw rod 45 moves axially or radially due to external or self factors, and further ensure the transmission accuracy of the ball screw 41. In addition, the support seat 47 can also bear the radial force and axial force generated during the transmission of the ball screw 41, so as to ensure the transmission accuracy and protect the ball screw rod 45 and the ball nut 44 from being affected by external dust and sundries, and prolong the service life of the entire ball screw 41.

[0027] It can be understood that in actual operation, the size and weight of the box girder 5 are often large, in some embodiments, the sliding rail 14 comprises two sliding rails arranged on the two parallel frame bodies of the adjusting frame body 11, at this time, the adjusting assembly 4 is provided with four adjusting assemblies arranged at the two ends of the sliding rail 14, when the box girder 5 needs to be fixed, the stop blocks 42 on the two frame bodies are simultaneously adjusted to realize twice fixing in the width direction of the box girder 5, and further ensure that the relative movement between the box girder 5 and the threading plate 6 does not occur when the threading plate 6 is positioned, and the welding accuracy of the threading plate 6 and the pipe 7 is ensured. Further, when the two box girders 5 are fixed, the positions of the two threading plates 6 are the same as the pre-designed drawing, the concentricity of the pipe 7 is ensured when the pipes are connected, and the pipes are prevented from being damaged due to poor concentricity.

[0028] Further, in order to ensure the stable fixation of the positioning plate 31 on the positioning rod 3, in some embodiments, the positioning rod 3 further comprises a sliding groove 32 and a positioning bolt 33, the positioning bolt 33 is slidably connected to the sliding groove 32, after the positioning plate 31 and the positioning bolt 33 are moved to a specific position along the sliding groove 32, the positioning bolt 33 is tightened to fix the positioning plate 31 on the positioning rod 3, ensuring the stable fixation of the positioning plate 31 on the threading plate 6, and after the threading plate 6 is welded with the pipe 7, the threading plate 6 will not fall off from the positioning plate 31 due to the excessive weight, thereby causing damage to the pipe 7.

[0029] In order to make the entire auxiliary positioning device applicable to box girder 5 of various sizes, in some embodiments, the fixing rod 12 comprises an adjusting hole 15 arranged in the vertical direction, and the mounting rod 13 is detachably connected to the adjusting hole 15. By adjusting the mounting rod 13 to be connected to different adjusting holes 15, the size of the closed frame can be adjusted, so that the box girder 5 can be stably fixed when the box girder 5 of different sizes is used.

[0030] Further, in order to ensure the stability of the entire auxiliary positioning device structure, in some embodiments, the support rod 2 and the fixing rod 12 are welded to the adjusting frame 11, which ensures that when the auxiliary positioning device is used to lock and fix the box girder 5, the support rod 2 and the fixing rod 12 will not deform at the connection between the support rod 2 and the fixing rod 12 and the adjusting frame 11 due to the excessive weight of the threading plate 6 and the box girder 5 itself, thereby affecting the accuracy of the fixation of the auxiliary positioning device between the threading plate 6 and the box girder 5, and avoiding damage to the pipe 7.

[0031] Further, in some embodiments, the adjusting frame 11 is also provided with a hook, when it is necessary to place the auxiliary positioning device of the box girder 5 pipe 7 installation plate on the box girder 5 by an external moving device, the external moving device is connected to the hook, which on the one hand ensures the stability of the auxiliary positioning device during movement, and on the other hand avoids scratching the box girder 5 during movement of the fixing rod 12 and the positioning rod 3, thereby causing damage to the box girder 5.

[0032] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An auxiliary positioning device for a box girder conduit mounting plate, characterized in that, The auxiliary positioning device comprises a limiting main body, a supporting rod, a positioning rod and at least two adjusting assemblies. The limiting main body comprises an adjusting frame, a fixing rod and a mounting rod. The adjusting frame is fixedly connected to the fixing rod. The mounting rod is detachably connected to the fixing rod. The supporting rod is fixedly connected to the adjusting frame. The positioning rod is fixedly connected to the supporting rod and is arranged in parallel to the fixing rod. The adjusting assemblies are installed at two ends of the sliding rails. The adjusting assemblies comprise a ball screw, a stop block and an adjusting wheel. The ball screw is slidingly installed on the sliding rail. The ball screw comprises a ball nut and a ball screw rod. The ball nut is fixedly connected to the stop block. The ball screw rod is fixedly connected to the adjusting wheel and is slidingly installed on the sliding rail. The adjusting assembly further comprises a sliding block which is fixedly connected to the ball nut. The ball screw further comprises a support seat. The ball screw rod passes through the support seat and is connected to the adjusting wheel. The sliding rail comprises two sliding rails which are arranged on two parallel frames of the adjusting frame. The positioning rod further comprises a sliding groove and a positioning bolt. The positioning bolt slidingly connects to the sliding groove through the positioning plate. The fixing rod comprises an adjusting hole which is arranged in a vertical direction. The mounting rod is detachably connected to the adjusting hole. The supporting rod and the fixing rod are welded to the adjusting frame. The adjusting frame is further provided with a hook.

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