Limited space adjustable bridge support arm

Abstract

The utility model relates to the technical field of pipeline installation, in particular to a limited space adjustable bridge bracket arm which comprises an embedded part, a bracket arm body, a wall body side fixing part and a stand column side fixing part, the embedded part is used for being embedded in the side face of a wall body, the wall body side fixing part is connected between the embedded part and the bracket arm, and the stand column side fixing part is arranged on the bracket arm body. The first end of the stand column side fixing piece is used for being fixed to the stand column, the second end of the wall body side fixing piece and the second end of the stand column side fixing piece are connected to the supporting arm body through connecting pieces, and kidney-shaped holes for installing the connecting pieces are formed in the supporting arm body. The support arm body is connected with the wall body and the stand column through the wall body side fixing piece and the stand column side fixing piece, the length of the whole support arm can be adjusted through the fixing bolts and the kidney-shaped holes, the number of welding seams is reduced, and therefore distance errors caused by civil construction between the wall body and the stand column are eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline installation technical field, concretely relates to a limited space adjustable bridge support arm. BACKGROUND

[0002] When construction is encountered in limited space narrow area such as pipe gallery, walkway, due to limited installation space, cross operation is more, and construction environment is bad. There are wind pipe, air conditioning water pipe, fire fighting pipeline, strong and weak electric bridge frame and other pipelines in the same space. Therefore, under the premise of meeting function and later operation and maintenance, reasonable and beautiful arrangement of pipeline trend and support setting is the key to ensure net height and width requirement. But due to the installation space of these areas is often not big, after the installation of many other pipelines in area, the space for electrical bridge installation is limited. And in order to the construction process of civil engineering, the construction of vertical rod is completed first, so as to install the column in the structure stress layer.

[0003] In limited space, the bridge installation method of system is basically: after the upper pipeline or ground construction with influence is completed, bridge cross arm is constructed, and bridge is installed. At this time, the installation of bridge cross arm encounters the following problems:

[0004] (1) The flatness of wall and the elevation of ground are not necessarily the result obtained according to theoretical calculation, and the construction error of civil engineering is basically about ± 20 ~ 50 mm, and the installation structure is difficult to meet the precision requirement of electromechanical construction.

[0005] (2) Because wall and column form a whole, the load of bridge can cause deformation of support. If two-way welding is used, it is not conducive to stress elimination, and can cause problems such as support weld cracking. INVENTION CONTENTS

[0006] The utility model aims at providing a limited space adjustable bridge support arm, to solve the technical problem of column and wall error and support deformation caused by weld stress in the installation and construction of bridge in prior art, and the specific technical scheme is as follows:

[0007] The utility model provides a limited space adjustable bridge support arm, including embedded part, support arm body, wall side fixing piece and column side fixing piece, the embedded part is used for embedding in the side surface of wall, the wall side fixing piece is connected between the embedded part and the support arm, the first end of the column side fixing piece is used for fixing on the column, the second end of the wall side fixing piece and the column side fixing piece is connected on the support arm body through connecting piece, the waist-shaped hole for installing the connecting piece is set up on the support arm body.

[0008] The further improvement of the utility model limited space adjustable bridge support arm lies in that the wall side fixing piece is connected on the embedded part through connecting bolt, and the bolt box for installing the connecting bolt is arranged on the embedded part.

[0009] The further improvement of the limited space adjustable bridge support arm lies in that the wall side fixing member comprises an upper lug plate and a lower lug plate, an upper strip hole and a lower strip hole are formed on the bolt box, the upper strip hole is perpendicular to the lower strip hole, the upper lug plate is installed in the upper strip hole through the connecting bolt, and the lower lug plate is installed in the lower strip hole through the connecting bolt.

[0010] The further improvement of the limited space adjustable bridge support arm lies in that the connecting member is a fixed bolt.

[0011] The further improvement of the limited space adjustable bridge support arm lies in that the wall side fixing member further comprises a connecting part in a U shape, the distance between the two flange plates of the connecting part is not less than the width of the support arm body, the two flange plates of the connecting part are provided with holes for the fixed bolt to pass through, and the upper lug plate and the lower lug plate are fixed on the two flange plates of the connecting part.

[0012] The further improvement of the limited space adjustable bridge support arm lies in that the support arm body is internally provided with a pad, a threaded hole is formed on the pad, the threaded hole corresponds to the hole, and the fixed bolt is screwed into the threaded hole.

[0013] The further improvement of the limited space adjustable bridge support arm lies in that the support arm body is internally provided with an anti-skid supporting member, and the anti-skid supporting member supports above and below the pad.

[0014] The further improvement of the limited space adjustable bridge support arm lies in that the support arm body is internally provided with an anti-skid supporting member, and the anti-skid supporting member supports above and below the pad.

[0015] The technical scheme of the utility model has the following beneficial effects:

[0016] The limited space adjustable bridge support arm is connected with the wall and the stand column through the wall side fixing member and the stand column side fixing member, the connecting mode adopts the fixed bolt and the waist-shaped hole to realize the length adjustment of the whole support arm and reduce the number of welds, so that the distance error between the wall and the stand column caused by the civil construction is eliminated, the technical problems of the column and the wall error during the bridge installation construction and the support deformation caused by the weld stress in the prior art are solved.

[0017] In addition to the purposes, characteristics and advantages described above, the utility model has other purposes, characteristics and advantages. The utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which form a part of this application, are intended to provide further understanding of the present application and are incorporated herein in conjunction with the description of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0019] Figure 1 is a side perspective view of the limited-space adjustable bridge support arm of the present application;

[0020] Figure 2 is a top view of the wall side fixing member position of the limited-space adjustable bridge support arm of the present application;

[0021] Figure 3 is an enlarged view of the wall side fixing member position of the limited-space adjustable bridge support arm of the present application;

[0022] Figure 4 is a structural schematic view of the embedded member of the limited-space adjustable bridge support arm of the present application;

[0023] Figure 5 is Figure 2 the A-A line sectional view.

[0024] Wherein, 1, wall; 2, structural top plate; 3, structural bottom plate; 4, stand column; 5, embedded member; 6, support arm body; 7, wall side fixing member; 8, stand column side fixing member; 9, fixing bolt; 10, connecting bolt; 11, waist-shaped hole; 12, upper ear plate; 13, lower ear plate; 14, connecting section; 15, upper strip-shaped hole; 16, lower strip-shaped hole; 17, cushion block; 18, anti-skid supporting member; 19, bridge; 20, pipeline; 21, bolt box. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described in detail below with reference to the drawings.

[0026] Referring to Figures 1-5 the drawing, a limited-space adjustable bridge support arm comprises an embedded member 5, a support arm body 6, a wall side fixing member 7 and a stand column side fixing member 8, the embedded member 5 is used for being embedded in the side of the wall 1, the wall side fixing member 7 is connected between the embedded member 5 and the support arm, the first end of the stand column side fixing member 8 is used for being fixed on the stand column 4, the second end of the wall side fixing member 7 and the stand column side fixing member 8 are both connected on the support arm body 6 through a connecting member, and the waist-shaped hole 11 for installing the connecting member is arranged on the support arm body 6.

[0027] Specifically, the top of the column 4 is fixed to the structure top plate 2, the bottom of the column 4 is fixed to the structure bottom plate 3 by bolts, the column 4 is a steel column 4, the column 4 is welded with a column side fixing piece 8 before installation, and the structure of the column side fixing piece 8 is the same as that of the wall side fixing piece 7. The wall side fixing piece 7 and the column side fixing piece 8 are all finished products, which can realize the purpose of two-way adjustment; the connecting bolt 10 hole of the wall side fixing piece 7 and the column side fixing piece 8 is not adjustable, which is more beneficial to stress; the wall side fixing piece 7 is provided with a waist-shaped hole 11 with adjustable length, and the adjustable length of each end is 25mm. In order to prevent the wall side fixing piece 7 and the column side fixing piece 8 from moving, a square pad 17 is arranged at the waist-shaped hole 11, the pad 17 is supported by an anti-skid support 18, and the vibration of the wall side fixing piece 7 in use is reduced. All connecting pieces are calculated by pre-stress, which can meet the bearing lifting gravity. The device is convenient and simple to install in limited space such as pipe gallery, and the construction efficiency is improved.

[0028] Preferably, as shown in Figure 1 and Figure 4 , the wall side fixing piece 7 is connected to the embedded part 5 through the connecting bolt 10, and the embedded part 5 is provided with a bolt box 21 for installing the connecting bolt 10. The bottom surface and the side surface of the bolt box 21 are sealed and embedded in the wall 1, and the bolt box 21 provides space for installing the connecting bolt 10. When the connecting bolt 10 is installed, the nut section is clamped into the bolt box 21 from the strip-shaped hole, and the screw rod section is exposed from the bolt box 21, so as to be fixed by the gasket and nut.

[0029] Preferably, as shown in Figure 3 , the wall side fixing piece 7 includes an upper ear plate 12 and a lower ear plate 13, the bolt box 21 is provided with an upper strip-shaped hole 15 and a lower strip-shaped hole 16, the upper strip-shaped hole 15 is perpendicular to the lower strip-shaped hole 16, the upper ear plate 12 is installed in the upper strip-shaped hole 15 through the connecting bolt 10, and the lower ear plate 13 is installed in the lower strip-shaped hole 16 through the connecting bolt 10. The upper strip-shaped hole 15 and the lower strip-shaped hole 16 can realize fine adjustment of the entire supporting arm.

[0030] Preferably, the connecting piece is a fixed bolt 9. The wall side fixing piece 7 further includes a U-shaped connecting part, the distance between the two flange plates of the connecting part is not less than the width of the supporting arm body 6, the two flange plates of the connecting part are provided with openings for the fixed bolt 9 to pass through, and the upper ear plate 12 and the lower ear plate 13 are respectively fixed on the two flange plates of the connecting part. The connecting part is clamped on the outer periphery of the supporting arm body 6 from the side, the fixed bolt 9 passes through the supporting arm body 6 from the upper flange plate, and finally passes through the lower flange plate and is fixed by the nut, and the waist-shaped hole 11 can adjust the fixed position of the bolt.

[0031] Preferably, the bracket body 6 is internally provided with a pad 17, the pad 17 is provided with a threaded hole corresponding to the opening, and the fixing bolt 9 is screwed into the threaded hole. The interior of the bracket body 6 is hollow, the pad 17 is square, and the pad 17 is located on one side of the waist-shaped hole 11, so that when the fixing bolt 9 is screwed into the pad 17, the bracket body 6 and the connecting section 14 are fixed tightly and not loose.

[0032] Preferably, the bracket body 6 is internally provided with an anti-skid support 18 which supports above and below the pad 17. The anti-skid support 18 can reduce the loosening caused by vibration during use of the bracket.

[0033] Preferably, the bracket body 6 is provided with a bridge 19 for placing the pipeline 20. The bridge 19 is U-shaped with an upward opening, so as to facilitate the placement of multiple pipelines 20 and not easy to fall out.

[0034] During installation, the embedded part 5 is installed when the wall 1 is poured. The column side fixing part 8 is first concentratedly welded on the column 4, and then the column 4 with the welded column side fixing part 8 is installed on site. The ground and the top surface are fixed by anchor bolts respectively. The wall side fixing part 7 is installed into the bolt box 21 of the embedded part 5, and according to the length of the bracket body 6, the fixing position of the waist-shaped hole 11 and the fixing bolt 9 can be adjusted in both directions, so as to prevent the bracket body 6 from moving between the column side fixing part 8 and the wall side fixing part 7.

[0035] The adjustable bridge bracket for limited space of the utility model realizes the connection of the bracket body 6 with the wall 1 and the column 4 through the wall side fixing part 7 and the column side fixing part 8, the connection mode adopts the fixing bolt 9 and the waist-shaped hole 11 to realize the length adjustment of the whole bracket and reduces the number of welds, thereby eliminating the distance error between the wall 1 and the column 4 caused by the civil construction, and solving the technical problems of the column 4 and the wall 1 error during the installation and construction of the bridge 19 in the prior art and the support deformation caused by the weld stress. The utility model has the advantages of simple structure, convenient on-site assembly operation, improved construction efficiency, reduced scattered welding points, no need to ensure that the error of each bracket is consistent, and consumption of part of the civil size error during the construction process.

[0036] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A limited space adjustable bridge tray arm, characterized in that, The wall side fixing part (7) is connected to the pre-embedded part (5) through a connecting bolt (10), and the pre-embedded part (5) is provided with a bolt box (21) for mounting the connecting bolt (10).

2. The limited-space adjustable tray arm of claim 1, wherein, The wall side fixing part (7) is connected to the pre-embedded part (5) through a connecting bolt (10), and the pre-embedded part (5) is provided with a bolt box (21) for mounting the connecting bolt (10).

3. The limited-space adjustable tray arm of claim 2, wherein, The wall side fixing part (7) includes an upper ear plate (12) and a lower ear plate (13), and the bolt box (21) is provided with an upper strip-shaped hole (15) and a lower strip-shaped hole (16), wherein the upper strip-shaped hole (15) is perpendicular to the lower strip-shaped hole (16), the upper ear plate (12) is mounted in the upper strip-shaped hole (15) through the connecting bolt (10), and the lower ear plate (13) is mounted in the lower strip-shaped hole (16) through the connecting bolt (10).

4. The limited-space adjustable tray of claim 3, wherein, The connecting part is a fixing bolt (9).

5. The limited-space adjustable tray of claim 4, wherein, The wall side fixing part (7) further includes a U-shaped connecting part, the distance between the two flange plates of the connecting part is not less than the width of the bracket body (6), the two flange plates of the connecting part are provided with an opening for the fixing bolt (9) to pass through, and the upper ear plate (12) and the lower ear plate (13) are fixed on the two flange plates of the connecting part, respectively.

6. The limited-space adjustable tray of claim 5, wherein, The bracket body (6) is internally provided with a cushion block (17), the cushion block (17) is provided with a threaded hole, the threaded hole corresponds to the opening, and the fixing bolt (9) is screwed into the threaded hole.

7. The limited-space adjustable tray arm of claim 6, wherein, The bracket body (6) is internally provided with an anti-skid support (18), and the anti-skid support (18) is supported above and below the cushion block (17).

8. The limited-space adjustable tray of claim 1, wherein, The bracket body (6) is provided with a bridge (19) for placing a pipeline (20).

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