Adjustable extension support for steel bridge

Abstract

The utility model relates to the technical field of supports, and discloses a steel bridge adjustable extension support which comprises a supporting bottom pipe, a movable pipe, a supporting top pipe and a fine adjustment frame are arranged on the top face of the supporting bottom pipe, and the steel bridge adjustable extension support further comprises a connecting assembly used for connecting the supporting bottom pipe, the movable pipe and the supporting top pipe. Through mutual cooperative use of a supporting bottom pipe, a moving pipe, a supporting top pipe, a fine adjustment frame, a fixing ring, a first limiting hole and a fixing hole, the effect of connecting the supporting bottom pipe, the moving pipe and the supporting top pipe can be achieved, so that connection of the supporting bottom pipe, the moving pipe and the supporting top pipe is facilitated; when the fine adjustment device is used, only the first limiting column needs to be pulled, the supporting top pipe and the fine adjustment frame are inserted and rotated, a large number of bolts do not need to be screwed, connection is simple, operation is convenient, the connection speed is high, coarse adjustment and fine adjustment can be conducted on the height of the fine adjustment frame, the adjustment precision is more accurate, use is convenient, and practicability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a support technical field especially relates to a steel bridge beam adjustable extension support. BACKGROUND

[0002] Steel structure bridge is the bridge of the main load-bearing structure adopts steel, in the steel structure bridge construction installation process, will use a large amount of temporary installation support to the steel beam temporary support, because steel beam has longitudinal slope and camber requirement when installing, and then need different support height and support angle installation temporary support to support the steel beam.

[0003] The existing steel structure bridge installation temporary support (announcement number: CN221545305U) at least has the following disadvantages:

[0004] In the above patent, the first support column and the second support column are fixed by the flange plate and the bolts, but the number of bolts is large, which makes it necessary to frequently twist the bolts during connection, and the operation is more troublesome, the connection speed needs to be improved, and thus a steel bridge beam adjustable extension support is urgently needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a steel bridge beam adjustable extension support.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model provides an adjustable extension support of steel bridge, including support bottom pipe, the top of support bottom pipe is provided with moving pipe, support top pipe and fine adjustment frame, still include the connecting assembly for connecting support bottom pipe, moving pipe and support top pipe, the bottom of support top pipe is provided with connecting assembly, connecting assembly includes: connecting column, connecting column fixed mounting is in the bottom of support top pipe, the bottom of moving pipe is fixedly installed with connecting column, the top of fixed ring is fixedly installed with moving pipe and support bottom pipe respectively, a plurality of first limit hole and fixed hole are seted up to the top of fixed ring, first limit hole and fixed hole are communicated, the outer circular wall surface of support top pipe and moving pipe is fixedly installed with first fixed plate respectively, the inner circular wall surface of first fixed plate is movably sleeved with first limit post, the outer circular wall surface of first limit post is fixedly sleeved with limit ring, the outer circular wall surface of first limit post is movably sleeved with spring, the top of connecting column and the top of fixed ring are seted up with second limit hole respectively, second limit hole is movably sleeved with first limit post, the connecting column in the top is movably sleeved with moving pipe, the connecting column in the bottom is movably sleeved with support bottom pipe, the bottom of connecting column is fixedly installed with a plurality of second limit posts, and second limit post is movably sleeved with first limit hole.

[0008] As a further scheme of the utility model, the inner circular wall surface of the support top pipe movably sleeves a support frame, the top of the support frame is provided with two third limit holes, the fine adjustment frame movably sleeves the third limit holes, the top of the support frame is provided with two first threaded holes, the inner circular wall surface of the first threaded hole is threadedly connected with a first threaded column.

[0009] As a further scheme of the utility model, the outer circular wall surface of the first threaded column is threadedly connected with a threaded ring.

[0010] As a further scheme of the utility model, the inside of the support top pipe is provided with a second threaded column, the top of the connecting column is fixedly installed with the second threaded column, the inner circular wall surface of the support frame is fixedly installed with a second fixed plate, the bottom of the second fixed plate is provided with a second threaded hole, and the second threaded hole is threadedly connected with the threaded ring.

[0011] As a further scheme of the utility model, the top of the fine adjustment frame is fixedly installed with a rubber plate.

[0012] As a further scheme of the utility model, the bottom of the support bottom pipe is provided with a plurality of support holes.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] Through the cooperation of the supporting bottom pipe, the moving pipe, the supporting top pipe, the fine adjustment frame, the fixing ring, the first limiting hole and the fixing hole, the supporting bottom pipe, the moving pipe and the supporting top pipe can be connected, the connection of the supporting bottom pipe, the moving pipe and the supporting top pipe is facilitated, the first limiting column is only pulled out, and the supporting top pipe and the fine adjustment frame are inserted and rotated, a large number of bolts do not need to be screwed, the connection is simple, the operation is convenient, the connection speed is fast, the height of the fine adjustment frame can be coarsely adjusted and finely adjusted, the adjustment precision is more accurate, the use is facilitated and the device is practical. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A schematic diagram of the overall structure of the adjustable extension support of the steel bridge is provided.

[0016] Figure 2 A schematic diagram of the moving pipe structure of the adjustable extension support of the steel bridge is provided.

[0017] Figure 3 A schematic diagram of the supporting frame structure of the adjustable extension support of the steel bridge is provided.

[0018] Figure 4 A Figure 2 A schematic diagram of the local structure of the A is provided.

[0019] In the figure: 1, supporting bottom pipe; 2, moving pipe; 3, supporting top pipe; 4, fine adjustment frame; 5, fixing ring; 6, first limiting hole; 7, fixing hole; 8, second limiting hole; 9, first limiting column; 10, first fixed plate; 11, limiting ring; 12, spring; 13, second limiting column; 14, supporting frame; 15, third limiting hole; 16, first threaded hole; 17, first threaded column; 18, threaded ring; 19, second threaded column; 20, rubber plate; 21, second fixed plate; 22, second threaded hole; 23, supporting hole; 24, connecting column. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external" "front end", "rear end", "both ends", "one end", "the other end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the terms "mounting", "setting", "connection" and the like should be broadly understood, for example, "connection", can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] Referring to Figures 1-4 A kind of adjustable extension support of steel bridge, including support bottom pipe 1, the top surface of support bottom pipe 1 is provided with moving pipe 2, support top pipe 3 and fine adjustment frame 4, further including the connecting assembly for connecting support bottom pipe 1, moving pipe 2 and support top pipe 3, connecting assembly is arranged at the bottom surface of support top pipe 3, connecting assembly includes: connecting column 24, connecting column 24 is fixedly installed at the bottom surface of support top pipe 3, the bottom surface of moving pipe 2 is fixedly installed with connecting column 24, the top surface of moving pipe 2 and support bottom pipe 1 is respectively fixedly installed with fixed ring 5, the top surface of fixed ring 5 is provided with a plurality of first limiting hole 6 and fixed hole 7, first limiting hole 6 and fixed hole 7 are communicated, the outer circular wall surface of support top pipe 3 and moving pipe 2 is respectively fixedly installed with first fixed plate 10, the inner circular wall surface of first fixed plate 10 movably sleeved with first limiting column 9, the outer circular wall surface of first limiting column 9 is fixedly sleeved with limiting ring 11, the outer circular wall surface of first limiting column 9 movably sleeved with spring 12, the top surface of connecting column 24 and the top surface of fixed ring 5 are respectively provided with second limiting hole 8, second limiting hole 8 is movably sleeved with first limiting column 9, the connecting column 24 at top is movably sleeved with moving pipe 2, the connecting column 24 at bottom is movably sleeved with support bottom pipe 1, the bottom surface of connecting column 24 is fixedly installed with a plurality of second limiting column 13, second limiting column 13 is movably sleeved with first limiting hole 6.

[0024] In the embodiment, the inner circular wall surface of the supporting top pipe 3 movably sleeves the supporting frame 14, the top surface of the supporting frame 14 is provided with two third limiting holes 15, the fine adjustment frame 4 movably sleeves the third limiting hole 15, the top surface of the supporting frame 14 is provided with two first threaded holes 16, the inner circular wall surface of the first threaded hole 16 is threadedly connected with the first threaded column 17, the outer circular wall surface of the first threaded column 17 is threadedly connected with the threaded ring 18, the inside of the supporting top pipe 3 is provided with the second threaded column 19, the second threaded column 19 is fixedly installed with the top surface of the connecting column 24, the inner circular wall surface of the supporting frame 14 is fixedly installed with the second fixed plate 21, the bottom surface of the second fixed plate 21 is provided with the second threaded hole 22, the second threaded hole 22 is threadedly connected with the threaded ring 18, the top surface of the fine adjustment frame 4 is fixedly installed with the rubber plate 20, and the bottom surface of the supporting bottom pipe 1 is provided with a plurality of supporting holes 23.

[0025] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: when the user needs to support the bridge and needs to adjust the length between the support bottom pipe 1 and the top surface of the fine adjustment frame 4, the height required is measured, and then the number of the moving pipe 2 required (the moving pipe 2 can be replaced to make the whole higher or lower) is obtained, that is, the total height of the support bottom pipe 1, the support top pipe 3, the support frame 14 and the fine adjustment frame 4 is close to the height of the bridge, and if the moving pipe 2 is added, it will be too high, and then the support bottom pipe 1, the support top pipe 3 and the moving pipe 2 are connected, the connection between the moving pipe 2 and the support top pipe 3, the connection between the moving pipe 2 and the support bottom pipe 1 are the same as described above, and will not be described again, that is, the support top pipe 3 is lifted so that the connecting column 24 is inserted into the inside of the moving pipe 2, and the second limiting column 13 is inserted into the inside of the fixed hole 7 and the support top pipe 3 is rotated to drive the second limiting column 13 to rotate into the inside of the first limiting hole 6, so that the support top pipe 3 and the moving pipe 2 are connected together through the second limiting column 13, and at the same time the support top pipe 3 is rotated, the first limiting column 9 is pulled to drive the limiting ring 11 to press the spring 12, when the second limiting column 13 enters the inside of the first limiting hole 6, the first limiting column 9 is released so that the first limiting column 9 enters the inside of the second limiting hole 8 under the pushing of the spring 12, so that the support top pipe 3 and the moving pipe 2 are limited through the first limiting column 9, so that they will not rotate by themselves, and then the fixed ring 5 and the support top pipe 3 are connected together, the connection is simple and convenient to operate, then the connected support bottom pipe 1, moving pipe 2 and support top pipe 3 are erected so that the fine adjustment frame 4 is below the height of the bridge to be supported, the support frame 14 is rotated to move up and down in the inside of the support top pipe 3, so that the height of the support frame 14 is adjusted twice, then the first threaded column 17 is rotated to move up and down in the first threaded hole 16, so that the fine adjustment frame 4 is lowered or lifted by the first threaded column 17, so that the fine adjustment frame 4 supports the bottom of the bridge, and then the height of the fine adjustment frame 4 is adjusted three times, the adjustment range is small and more accurate, so that the connection of the support bottom pipe 1, the moving pipe 2 and the support top pipe 3 is achieved, which makes it convenient to connect the support bottom pipe 1, the moving pipe 2 and the support top pipe 3, only the first limiting column 9 needs to be pulled and the support top pipe 3 and the fine adjustment frame 4 need to be inserted and rotated, without the need to twist a large number of bolts, the connection is simple and convenient to operate, the connection speed is fast, the height of the fine adjustment frame 4 can be coarsely adjusted and finely adjusted, the adjustment accuracy is more accurate, which is convenient to use and practical.

[0026] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An adjustable extension support for a steel bridge, comprising a supporting bottom tube (1), wherein a movable tube (2), a supporting top tube (3), and a fine-tuning frame (4) are provided on the top surface of the supporting bottom tube (1), characterized in that, It also includes a connecting assembly for connecting the supporting bottom pipe (1), the moving pipe (2), and the supporting top pipe (3). The connecting assembly is disposed on the bottom surface of the supporting top pipe (3). The connecting assembly includes: a connecting column (24), which is fixedly installed on the bottom surface of the supporting top pipe (3). The bottom surface of the moving pipe (2) is also fixedly installed with the connecting column (24). The top surfaces of the moving pipe (2) and the supporting bottom pipe (1) are respectively fixedly installed with fixing rings (5). The top surface of the fixing rings (5) is provided with a plurality of first limiting holes (6) and fixing holes (7). The first limiting holes (6) and the fixing holes (7) are connected. The outer circular walls of the supporting top pipe (3) and the moving pipe (2) are respectively fixedly installed with first fixing plates (10). The inner circular wall of the first fixed plate (10) is movably fitted with a first limiting post (9), the outer circular wall of the first limiting post (9) is fixedly fitted with a limiting ring (11), the outer circular wall of the first limiting post (9) is movably fitted with a spring (12), the top surface of the connecting post (24) and the top surface of the fixed ring (5) are respectively provided with a second limiting hole (8), the second limiting hole (8) is movably fitted with the first limiting post (9), the connecting post (24) at the top is movably fitted with the moving tube (2), the connecting post (24) at the bottom is movably fitted with the supporting bottom tube (1), and a plurality of second limiting posts (13) are fixedly installed on the bottom surface of the connecting post (24), the second limiting posts (13) are movably fitted with the first limiting hole (6).

2. The adjustable extension support for steel bridges according to claim 1, characterized in that, The inner circular wall of the supporting top pipe (3) is movably sleeved with a support frame (14). The top surface of the support frame (14) has two third limiting holes (15). The fine adjustment frame (4) is movably sleeved with the third limiting holes (15). The top surface of the support frame (14) has two first threaded holes (16). The inner circular wall of the first threaded hole (16) is threaded with a first threaded post (17).

3. The adjustable extension support for a steel bridge according to claim 2, characterized in that, The outer circular wall of the first threaded column (17) is threaded with a threaded ring (18).

4. The adjustable extension support for a steel bridge according to claim 3, characterized in that, The support jacking pipe (3) is provided with a second threaded post (19) inside. The second threaded post (19) is fixedly installed on the top surface of the connecting post (24). The inner circular wall of the support frame (14) is fixedly installed with a second fixing plate (21). The bottom surface of the second fixing plate (21) is provided with a second threaded hole (22). The second threaded hole (22) is threadedly connected to the threaded ring (18).

5. The adjustable extension support for a steel bridge according to claim 1, characterized in that, A rubber plate (20) is fixedly installed on the top surface of the fine-tuning frame (4).

6. The adjustable extension support for a steel bridge according to claim 1, characterized in that, The bottom surface of the support tube (1) is provided with several support holes (23).

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