Pipe truss splicing and welding auxiliary device

Abstract

The utility model provides a pipe truss assembly welding auxiliary device which comprises two clamping pieces, each clamping piece comprises a first arc-shaped plate, a second arc-shaped plate and a third arc-shaped plate, and a first rubber pad is fixedly arranged on the inner side of each first arc-shaped plate; the inner diameter of the second arc-shaped plate is larger than the outer diameter of the pipe truss connecting pipe, the second arc-shaped plate and the first arc-shaped plate are coaxially arranged, and a gap exists between the second arc-shaped plate and the first arc-shaped plate; one end of the connecting plate is fixedly connected with the arc-shaped plate I, and the other end of the connecting plate is fixedly connected with the arc-shaped plate II; the guide plate is an arc-shaped plate, and one end of the guide plate is connected with the arc-shaped plate II; the two clamping pieces are detachably connected, and the guide plates of the two clamping pieces form a guide conical pipe. The split truss fixing device has the advantages that compared with a traditional manual fixing device, the guide conical pipe is arranged to guide the connecting pipe for hoisting the split truss, split truss splicing operation is facilitated, welding is facilitated in a gap between the first arc-shaped plate and the second arc-shaped plate, and the welding and mounting efficiency of the split truss is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, especially relates to a pipe truss assembling and welding auxiliary device. BACKGROUND

[0002] In recent years, the role of steel structure in the construction industry is more and more outstanding, especially the pipe truss structure is widely used in large-span space structure due to its own characteristics such as large rigidity, good seismic performance and strong architectural performance, large-span buildings often adopt integral hoisting construction scheme to obtain good engineering economic benefits and improve construction efficiency, however, some projects with complex working conditions and large building volume cannot be transported and hoisted in large-span pipe truss section due to factors such as inconvenient transportation, large building volume and excessive self weight, in order to speed up the construction progress, the construction scheme of hoisting two trusses first and then hoisting the middle section (i.e. high-altitude insertion splicing) can be adopted.

[0003] The current pipe truss splicing process is to manually hoist the pipe truss in a stable state through high-altitude operation, the hoisted pipe truss is connected to the fixed pipe truss connection pipe for butt joint, and then welding is performed, the process of assembling and aligning is complex, the precision of manual alignment cannot be guaranteed, which leads to low work efficiency, and the high-altitude operation environment is easily affected by airflow, which leads to pipe truss shaking and is more difficult to stabilize, and there is a certain safety hazard. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a pipe truss assembling and welding auxiliary device to solve at least one of the above technical problems.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A pipe truss assembling and welding auxiliary device comprises two clamping pieces, and the clamping piece comprises:

[0007] An arc-shaped plate one is internally provided with a first rubber pad;

[0008] An arc-shaped plate two, the inner diameter of the arc-shaped plate two is greater than the outer diameter of the pipe truss connection pipe, the arc-shaped plate two is coaxially arranged with the arc-shaped plate one, and a gap exists between the arc-shaped plate two and the arc-shaped plate one;

[0009] A connecting plate is fixedly connected at one end with the arc-shaped plate one and at the other end with the arc-shaped plate two;

[0010] A guide plate, which is an arc-shaped plate, is connected at one end with the arc-shaped plate two;

[0011] The two clamping pieces are detachably connected, the arc-shaped plates one of the two clamping pieces form a clamping position, and the guide plates of the two clamping pieces form a guide conical pipe.

[0012] Further, the inner diameter of the guiding conical tube near the second arc-shaped plate matches the inner diameter of the second arc-shaped plate, and the inner diameter of the guiding conical tube away from the second arc-shaped plate is greater than the inner diameter of the guiding conical tube near the second arc-shaped plate.

[0013] Further, the second arc-shaped plate is provided with a clamping assembly, and the clamping assembly comprises a clamping bolt.

[0014] The second arc-shaped plate is fixedly provided with an internally threaded pipe, and the axis of the internally threaded pipe is perpendicular to the axis of the second arc-shaped plate. A through hole corresponding to the internally threaded pipe is formed in the second arc-shaped plate, and a clamping block is arranged in the through hole. The clamping block is rotationally connected with the clamping bolt, and the clamping bolt is threadedly connected to the inner side of the internally threaded pipe.

[0015] Further, one end of the clamping bolt near the clamping block is fixedly provided with a connecting column, the diameter of the connecting column is smaller than the diameter of the clamping bolt, and the end of the connecting column away from the clamping bolt is provided with a limiting column, and the diameter of the limiting column is greater than the diameter of the connecting column.

[0016] An installation hole corresponding to the limiting column is formed in the clamping block. An annular limiting boss is arranged on the inner side of the installation hole near one end of the clamping bolt. The inner diameter of the annular limiting boss matches the outer diameter of the connecting column. The connecting column is arranged on the inner side of the annular limiting boss, and the limiting column is arranged on the inner side of the installation hole.

[0017] Further, the clamping block is an arc-shaped plate, and a second rubber pad is fixedly arranged on the end of the clamping block away from the clamping bolt.

[0018] Further, the through hole is a square through hole, the clamping block is a square plate, and the clamping block is arranged on the inner side of the square through hole.

[0019] Further, each clamping piece comprises two connecting plates arranged at two ends of the first arc-shaped plate respectively. A connecting hole is formed in each connecting plate, and a connecting bolt is arranged in each connecting hole. The connecting bolt is threadedly connected with a nut after penetrating through the connecting holes of the two connecting plates.

[0020] Further, the connecting hole is provided with a notch on the end face of the connecting plate away from the first arc-shaped plate.

[0021] Further, a positioning groove is formed in each connecting plate. The positioning groove of the connecting plate of one connecting piece is a hexagonal groove, and the hexagonal groove matches the bolt head of the connecting bolt. The bolt head of the connecting bolt is arranged on the inner side of the hexagonal groove.

[0022] Further, the connecting plate positioning groove of the other connecting piece is a circular groove, the circular groove corresponds to the position of the nut, the nut is fixedly provided with a positioning tube close to one end, the outer diameter of the positioning tube matches the outer diameter of the circular groove, and the positioning tube is located on the inner side of the circular groove.

[0023] Compared with the prior art, the pipe truss assembly and welding auxiliary device has the following beneficial effects:

[0024] Compared with the traditional manual fixing device, the pipe truss assembly and welding auxiliary device sets the guide conical pipe to guide the connecting pipe of the hoisted split truss, facilitates split truss assembly operation, facilitates welding between the gap between the arc-shaped plate one and the arc-shaped plate two, and improves the welding installation efficiency of the split truss. BRIEF DESCRIPTION OF DRAWINGS

[0025] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated herein for explanation by way of exemplary embodiments of the present application. The present application will become more fully understood from the detailed description and accompanying drawings.

[0026] Figure 1 The device three-dimensional structure schematic view described in the embodiment of the present application;

[0027] Figure 2 The device three-dimensional structure schematic view described in the embodiment of the present application; Figure 1 The structure schematic view in the middle A of the present application;

[0028] Figure 3 The first perspective view of the clamping piece three-dimensional structure schematic view described in the embodiment of the present application;

[0029] Figure 4 The device three-dimensional structure schematic view described in the embodiment of the present application; Figure 3 The structure schematic view in the middle B of the present application;

[0030] Figure 5 The first perspective view of the clamping piece three-dimensional structure schematic view described in the embodiment of the present application;

[0031] Figure 6 The first perspective view of the clamping piece three-dimensional structure schematic view described in the embodiment of the present application;

[0032] Figure 7 The device three-dimensional structure schematic view described in the embodiment of the present application;

[0033] Figure 8 The device three-dimensional structure schematic view described in the embodiment of the present application; Figure 7 The structure schematic view in the middle C of the present application.

[0034] Explanation of reference signs:

[0035] 1, arc plate one; 2, arc plate two; 3, connecting plate; 4, nut; 5, first rubber pad; 6, guide plate; 7, jacking bolt; 8, connecting bolt; 9, jacking block; 10, second rubber pad; 201, internally threaded pipe; 202, through hole; 301, connecting hole; 302, positioning groove; 401, positioning pipe; 701, connecting column; 702, limiting column. DETAILED DESCRIPTION

[0036] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0037] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0038] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. 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.

[0039] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0040] As shown in the drawings, Figures 1 to 8 A pipe truss assembly welding auxiliary device, comprising two clamping pieces, the clamping piece comprises:

[0041] Arc plate one 1, the inner side of arc plate one 1 is fixedly provided with first rubber pad 5;

[0042] Arc-shaped plate two 2, the inner diameter of arc-shaped plate two 2 is greater than the outer diameter of the tube truss connecting pipe, arc-shaped plate two 2 is coaxial with arc-shaped plate one 1, and a gap exists between arc-shaped plate two 2 and arc-shaped plate one 1;

[0043] Connecting plate 3, one end of connecting plate 3 is fixedly connected with arc-shaped plate one 1, and the other end is fixedly connected with arc-shaped plate two 2;

[0044] Guide plate 6, guide plate 6 is an arc-shaped plate, one end of guide plate 6 is connected with arc-shaped plate two 2;

[0045] The two clamping pieces are detachably connected, the arc-shaped plates one 1 of the two clamping pieces form a clamping position for clamping the truss connecting pipe which has been welded, the guide plates 6 of the two clamping pieces form a guide conical pipe, and the arc-shaped plates two 2 of the two clamping pieces form a guide pipe.

[0046] The inner diameter of the guide conical pipe near arc-shaped plate two 2 matches the inner diameter of arc-shaped plate two 2, and the inner diameter of the end of the guide conical pipe away from arc-shaped plate two 2 is greater than the inner diameter of the end of the guide conical pipe near arc-shaped plate two 2.

[0047] Arc-shaped plate two 2 is provided with a jacking assembly, the jacking assembly comprises a jacking bolt 7, arc-shaped plate two 2 is fixedly provided with an internally threaded pipe 201, the axis of the internally threaded pipe 201 is perpendicular to the axis of arc-shaped plate two 2, arc-shaped plate two 2 is provided with a through hole 202 corresponding to the internally threaded pipe 201, the through hole 202 is provided with a jacking block 9, the jacking block 9 is rotationally connected with the jacking bolt 7, and the jacking bolt 7 is threadedly connected to the inner side of the internally threaded pipe 201. One end of the jacking bolt 7 near the jacking block 9 is fixedly provided with a connecting column 701, the diameter of the connecting column 701 is smaller than the diameter of the jacking bolt 7, the end of the connecting column 701 away from the jacking bolt 7 is provided with a limiting column 702, the diameter of the limiting column 702 is greater than the diameter of the connecting column 701, the jacking block 9 is provided with a mounting hole corresponding to the limiting column 702, the mounting hole is provided with an annular limiting boss near the inner side of one end of the jacking bolt 7, the inner diameter of the annular limiting boss matches the outer diameter of the connecting column 701, the connecting column 701 is mounted on the inner side of the annular limiting boss, and the limiting column 702 is mounted on the inner side of the mounting hole. The connecting column 701 can be connected with the jacking bolt 7 in a manner of welding or threaded connection.

[0048] The jacking block 9 is an arc-shaped plate, and the end of the jacking block 9 away from the jacking bolt 7 is fixedly provided with a second rubber pad 10. The through hole 202 is a square through hole 202, the jacking block 9 is a square plate, and the jacking block 9 is mounted on the inner side of the square through hole 202. The projection of the jacking block in the axis direction of arc-shaped plate one 1 is arc-shaped, and the projection in the direction perpendicular to the axis of arc-shaped plate one 1 is square-shaped. The arc-shaped design facilitates the adhesion to the connecting pipe and improves the friction force. The square design allows the jacking block 9 to rotate together with the jacking bolt 7, thereby ensuring the adhesion of the jacking block 9 to the connecting pipe.

[0049] In some embodiments, each clamping piece includes two connecting plates 3, which are respectively located at the two ends of the arc-shaped plate one 1. Connecting holes 301 are formed on the connecting plates 3, and connecting bolts 8 are arranged in the connecting holes 301. The connecting bolts 8 pass through the connecting holes 301 on the connecting plates 3 of the two clamping pieces and are screwed with nuts 4. The device can be disassembled and assembled by loosening the nuts 4.

[0050] In other embodiments, each clamping piece includes two connecting plates 3, which are respectively located at the two ends of the arc-shaped plate one 1. Connecting holes 301 are formed on the connecting plates 3, and connecting bolts 8 are arranged in the connecting holes 301. The connecting bolts 8 pass through the connecting holes 301 on the connecting plates 3 of the two clamping pieces and are screwed with nuts 4. The connecting holes 301 are provided with notches on the end faces of the connecting plates 3 away from the arc-shaped plate one 1. The notches facilitate the extraction and installation of the connecting bolts 8, improve work efficiency, and prevent the loss of the nuts 4. The connecting plates 3 are provided with positioning grooves 302. The positioning groove 302 of the connecting plate 3 of one connecting piece is a hexagonal groove, which matches the bolt head of the connecting bolt 8. The bolt head of the connecting bolt 8 is located inside the hexagonal groove, which limits the bolt head. In actual use, only the nut 4 needs to be turned. The positioning groove 302 of the connecting plate 3 of the other connecting piece is a circular groove, which corresponds to the position of the nut 4. The nut 4 is fixedly provided with a positioning tube 401 adjacent to the connecting end. The outer diameter of the positioning tube 401 matches the outer diameter of the circular groove. The positioning tube 401 is located inside the circular groove. The circular groove can prevent the connecting bolt 8 from being pulled out of the mounting hole, thereby improving the safety during use.

[0051] Working process:

[0052] The arc-shaped plate one 1 of the two clamping pieces clamps the already welded truss connecting pipe. The end of the already welded truss connecting pipe corresponds to the gap between the arc-shaped plate one 1 and the arc-shaped plate two 2. The split truss is hoisted to the specified position, and then the connecting pipe of the split truss is aligned and inserted into the guide conical pipe. Under the guidance of the guide pipe, the connecting pipe of the split truss is inserted into the guide pipe and is butt-jointed with the already welded truss connecting pipe. Then, the jacking bolt 7 is turned, and the jacking block 9 jacks the outer side wall of the connecting pipe of the split truss. The connecting pipe of the split truss is fixed, and the position of the connecting pipe of the split truss can be accurately adjusted. Finally, the gap between the arc-shaped plate one 1 and the arc-shaped plate two 2 is spot-welded and preliminarily fixed, and the device is disassembled for full welding. The connecting pipe can be the upper and lower chords of the truss.

[0053] Compared with the traditional manual fixing device, the application guides the connecting pipe of the hoisting split truss through the setting of the guide conical pipe, facilitates the split truss assembling operation, facilitates the welding between the arc plate one 1 and the arc plate two 2, and improves the welding installation efficiency of the split truss.

[0054] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

[0055] The above is only the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A truss assembly and welding auxiliary device, characterized in that, Includes two clamping members, the clamping members comprising: Arc-shaped plate one (1), wherein a first rubber pad (5) is fixedly provided on the inner side of the arc-shaped plate one (1); Arc plate two (2), the inner diameter of the arc plate two (2) is greater than the outer diameter of the pipe truss connecting pipe, the arc plate two (2) is coaxial with the arc plate one (1), and there is a gap between the arc plate two (2) and the arc plate one (1); Connecting plate (3), one end of which is fixedly connected to arc plate one (1), and the other end is fixedly connected to arc plate two (2); Guide plate (6), the guide plate (6) is an arc plate, and one end of the guide plate (6) is connected to the arc plate (2); The two clamping members are detachably connected, and a clamping position is formed between the arc plates (1) of the two clamping members. The guide plates (6) of the two clamping members form a guide cone tube.

2. The auxiliary device for assembling and welding a tubular truss according to claim 1, characterized in that: The inner diameter of the guide tapered tube near the arc plate 2 (2) matches the inner diameter of the arc plate 2 (2), and the inner diameter of the end of the guide tapered tube away from the arc plate 2 (2) is greater than the inner diameter of the end of the guide tapered tube near the arc plate 2 (2).

3. The auxiliary device for assembling and welding a tubular truss according to claim 1, characterized in that: The arc-shaped plate 2 (2) is provided with a clamping assembly, which includes a clamping bolt (7); An internally threaded tube (201) is fixed on the arc-shaped plate 2 (2). The axis of the internally threaded tube (201) is perpendicular to the axis of the arc-shaped plate 2 (2). A through hole (202) corresponding to the internally threaded tube (201) is opened on the arc-shaped plate 2 (2). A clamping block (9) is provided in the through hole (202). The clamping block (9) is rotatably connected to the clamping bolt (7). The clamping bolt (7) is threadedly connected to the inner side of the internally threaded tube (201).

4. The auxiliary device for assembling and welding a tubular truss according to claim 3, characterized in that: A connecting post (701) is fixed at one end of the tightening bolt (7) near the tightening block (9). The diameter of the connecting post (701) is smaller than the diameter of the tightening bolt (7). A limiting post (702) is provided at one end of the connecting post (701) away from the tightening bolt (7). The diameter of the limiting post (702) is larger than the diameter of the connecting post (701). The tightening block (9) has a mounting hole corresponding to the limiting post (702). The mounting hole is provided with an annular limiting boss on the inner side of one end of the tightening bolt (7). The inner diameter of the annular limiting boss matches the outer diameter of the connecting post (701). The connecting post (701) is installed on the inner side of the annular limiting boss, and the limiting post (702) is installed on the inner side of the mounting hole.

5. The auxiliary device for assembling and welding a tubular truss according to claim 3, characterized in that: The clamping block (9) is an arc-shaped plate, and a second rubber pad (10) is fixed at one end of the clamping block (9) away from the clamping bolt (7).

6. The auxiliary device for assembling and welding a tubular truss according to claim 3, characterized in that: The through hole (202) is a square through hole (202), and the clamping block (9) is a square plate. The clamping block (9) is installed inside the square through hole (202).

7. The auxiliary device for assembling and welding a tubular truss according to claim 1, characterized in that: Each clamping component includes two connecting plates (3), which are located at both ends of the arc plate (1). The connecting plates (3) have connecting holes (301), and connecting bolts (8) are provided in the connecting holes (301). The connecting bolts (8) pass through the connecting holes (301) on the connecting plates (3) of the two clamping components and are threadedly connected to the nuts (4).

8. The auxiliary device for assembling and welding a tubular truss according to claim 7, characterized in that: The connecting hole (301) has a notch on the end face of the connecting plate (3) away from the arc plate (1).

9. The auxiliary device for assembling and welding a tubular truss according to claim 8, characterized in that: The connecting plate (3) has a positioning groove (302), and the positioning groove (302) of the connecting plate (3) of one of the connecting parts is a hexagonal groove. The hexagonal groove matches the bolt head of the connecting bolt (8), and the bolt head of the connecting bolt (8) is located inside the hexagonal groove.

10. The auxiliary device for assembling and welding a tubular truss according to claim 9, characterized in that: The other connector's connecting plate (3) has a circular groove (302) that corresponds to the position of the nut (4). The nut (4) is fixed with a positioning tube (401) near one end of the connection. The outer diameter of the positioning tube (401) matches the outer diameter of the circular groove, and the positioning tube (401) is located inside the circular groove.

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