Box girder with sliding connecting piece

Abstract

The utility model provides a box girder with a sliding connecting piece, which is characterized in that the sliding connecting piece is connected to a first side surface of a box-shaped steel girder and comprises a first secondary box girder and a second secondary box girder which are arranged side by side along the length direction of the first side surface; a first square column and a second square column are connected to the two sides of the end of the first secondary box girder respectively, a third square column and a fourth square column are connected to the two sides of the end of the second secondary box girder respectively, and a row of long holes are formed in the second square column. A connecting box girder is connected between the second square column and the third square column, an opening is inwards formed in the edge of the lower wall of the first end of the connecting box girder, and round holes in one-to-one correspondence with the long holes are formed in the two side walls above the opening respectively. According to the utility model, after the box-shaped steel beam is fixed, the box-shaped steel beam is conveniently connected with the box beam for installation, and the installation efficiency is improved while the box-shaped steel beam releases harmful stress.

Description

TECHNICAL FIELD

[0001] The utility model relates to box girder technical field more specifically, relate to a box girder with sliding connector. BACKGROUND

[0002] With the improvement of people's living standards, more and more steel structure buildings are emerging in the market, especially large-span, large-space steel structures. But under the action of temperature load, there will be a certain stress, in order to release this part of harmful stress, part of the connection node needs to be made into sliding mode. Under normal circumstances, the end of steel box girder adopts the mode of bolt and long hole connection to realize such problems, for example, after corbel welding is fixed, the end of the main box girder is inserted with corbel and connected through long hole, but due to construction, processing error, the deviation is easy to cause, and it is often very difficult to install the main box girder and corbel. SUMMARY

[0003] In view of the above problems, the utility model aims at providing a box girder with sliding connector, which is convenient for fixing the box type steel beam and connecting the box girder after installation, and ensures the release of harmful stress of the box type steel beam and improves the installation efficiency.

[0004] The utility model provides a box girder with sliding connector, it includes box type steel beam, the first side surface of box type steel beam is connected with sliding connector, wherein,

[0005] The sliding connector includes the same size first box girder and second box girder arranged side by side along the length direction of the first side surface, the first side surface is connected with the first square column and the second square column respectively on both sides of the end of the first box girder away from the first side surface, the third square column and the fourth square column are connected respectively on both sides of the end of the second box girder away from the first side surface, the center line of the first square column, the second square column, the third square column and the fourth square column is on the same straight line and parallel to the length direction of the first side surface, a row of long holes are arranged on the second square column, and the length direction of the long hole is parallel to the length direction of the first side surface;

[0006] The connecting box girder is connected between the second square column and the third square column, the opening is formed inward on the lower edge of the first end of the connecting box girder, and the circular hole corresponding to the long hole is arranged on the two side walls above the opening respectively.

[0007] The second end of the connecting box girder is sleeved outside the third square column, the first end is sleeved outside the second square column through the opening, the circular hole and the corresponding long hole are aligned and connected through the bolt and nut.

[0008] The first box girder and the second box girder are connected to the middle lower part of the first side face, and the first box girder and the second box girder are equidistant from the adjacent first side face end.

[0009] The end of the first square column and the end of the fourth square column are flush with the adjacent box girder end.

[0010] The longitudinal section of the first box girder and the second box girder is a rectangle, and the length of the rectangle is parallel to the width direction of the first side face.

[0011] The first square column, the second square column, the third square column and the fourth square column are of the same size, and the height of each is the same as the height of the first box girder.

[0012] The first square column, the second square column, the third square column and the fourth square column are all closed rectangular boxes.

[0013] A sealing plate is connected to the first end of the connecting box girder, the distance between the sealing plate and the inner edge of the opening is 8-10mm, and a gap is formed between the inner wall of the connecting box girder and the outer wall of the second square column.

[0014] A reinforcing inner plate is arranged inside the end of the first box girder and the end of the second box girder, and a sealing plate is arranged at the end of the first box girder and the end of the second box girder.

[0015] The width of the long hole is the same as the inner diameter of the round hole.

[0016] The first side face is vertical when the box girder is installed.

[0017] As can be seen from the above description, the box girder with a sliding connecting piece provided by the present application has a sliding connecting piece arranged on one side of the box girder, the sliding connecting piece has a long hole and a connecting box girder connected to the box girder through a bolt, the connecting box girder can be moved through the long hole, the harmful stress of the box girder is released, and the opening at the end of the connecting box girder facilitates the installation and connection of the connecting box girder after the box girder is installed and fixed, and the installation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Other purposes and results of the present application will be more apparent and easy to understand through the following description in combination with the accompanying drawings and with a more comprehensive understanding of the present application. In the drawings:

[0019] Fig. 1 FIG. 1 is a structural schematic view of a box girder with a sliding connecting piece according to an embodiment of the present application;

[0020] Fig. 2Structure schematic view of the first box girder according to the embodiment of the utility model;

[0021] Fig. 3 Structure schematic view of the connecting box girder according to the embodiment of the utility model;

[0022] 1-box type steel beam, 2-sliding connecting piece, 21-first box girder, 22-second box girder, 23-first square column, 24-second square column, 25-third square column, 26-fourth square column, 27-long hole, 28-connecting box girder, 29-opening, 210-round hole, 3-bolt, 4-strengthening inner plate, 5-sealing plate;

[0023] The same reference numerals in all the drawings indicate similar or corresponding features or functions. DETAILED DESCRIPTION

[0024] The utility model can be changed and can have various embodiments, specific embodiments are illustrated in the drawings and described. However, the utility model is not limited to the specific embodiment, all changes, equivalents and alternatives falling within the scope of the utility model are covered, and it should be understood that they are all included.

[0025] The ordinal terms such as first, second, etc. can be used to describe various constituent elements, but the constituent elements are not limited to the terms. The terms are only used to distinguish one constituent element from another. For example, without departing from the scope of the claims of the utility model, the second constituent element can be named as the first constituent element, and similarly, the first constituent element can also be named as the second constituent element. The term and / or combination of a plurality of items or one item in a plurality of items is associated with the description.

[0026] It should be understood that when referring to a certain constituent element being "connected" or "contacted" with other constituent elements, it not only includes the case of being directly connected or contacted with other constituent elements, but also includes the case of other constituent elements being present therebetween. Conversely, when referring to a certain constituent element being "directly connected" or "directly contacted" with other constituent elements, it should be understood that there are no other constituent elements therebetween.

[0027] In the description of the embodiment, when it is recorded that a certain constituent element is formed "on or under" another constituent element, on or under includes the case that the two constituent elements are directly contacted with each other or at least one other constituent element is arranged between the two constituent elements. And, when it is expressed as on or under, with a certain constituent element as a reference, not only the upper side direction, but also the lower side direction can be included.

[0028] The terms used in the present application are used only for the purpose of illustrating specific embodiments and are not intended to limit the present application. Unless the context clearly indicates otherwise, the singular expression includes the plural expression. In the present application, it should be understood that the terms "include" or "have" or the like are used to designate the presence of features, numbers, steps, operations, constituent elements, components, or combinations thereof described in the specification, and do not preclude the presence or possibility of one or more other features, numbers, steps, operations, constituent elements, components, or combinations thereof.

[0029] Unless otherwise defined, including technical or scientific terms, all terms used herein have the same meaning as understood by a person of ordinary skill in the art. Terms generally used in dictionaries should be interpreted in accordance with the meaning possessed in the context of the relevant technology, and if not explicitly defined in the present application, should not be interpreted as ideal or overly formal meanings.

[0030] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0031] As shown in Figs. 1-3 The box girder with a sliding connector according to the present embodiment can be used as a main box-shaped steel girder of a large-span steel structure, and can also be used as a steel box girder in other occasions.

[0032] The box girder with a sliding connector is improved on the basis of the existing box-shaped steel girder 1, so that it is more convenient to install while releasing stress. The sliding connector 2 is connected to the first side of the box-shaped steel girder 1 to be installed, and the end of the box-shaped steel girder 1 is welded to the adjacent box-shaped steel girder 1 or other components. The sliding connector 2 is used to release the stress generated in the steel box girder 1 under the action of temperature.

[0033] Specifically, the sliding connector 2 can include a first box girder 21 and a second box girder 22 of the same size arranged side by side along the length direction of the first side. The first side can be selected according to the construction condition, and is preferably one side with a larger area of the box-shaped steel girder 1. A movable connecting box girder 28 parallel to the first side is arranged between the first box girder 21 and the second box girder 22, and the length change of the box-shaped steel girder 1 under the action of temperature is adapted by the movement of the connecting box girder 28.

[0034] In order to connect the connecting box girder 28, the first box girder 21 is connected with a first square column 23 and a second square column 24 on both sides of the end away from the first side, and the second box girder 22 is connected with a third square column 25 and a fourth square column 26 on both sides of the end away from the first side. The center lines of the first square column 23, the second square column 24, the third square column 25 and the fourth square column 26 are on the same straight line and parallel to the length direction of the first side.

[0035] The first square column 23 and the fourth square column 26 are used for welding and fixing with the square columns or other components of the adjacent sliding connectors, and the second square column 24 and the third square column 25 are used for mounting the connecting box girder 28. The first square column 23, the second square column 24, the connecting box girder 28, the third square column 25 and the fourth square column 26 sequentially form a girder parallel to the box type steel girder 1, and the mounting of the girder further strengthens the firmness of the box type steel girder 1.

[0036] In order to make the connecting box girder 28 movable, a row of long holes 27 are arranged on the second square column 24, the length direction of the long holes 27 is parallel to the length direction of the first side face, an opening 29 is arranged on the first end lower wall edge of the connecting box girder 28, and circular holes 210 corresponding to the long holes 27 are arranged on the two side walls above the opening 29. The first end of the connecting box girder 28 is sleeved with the second square column 24, the two circular holes 210 sandwich the corresponding long holes 27, and the connecting box girder 28 is connected through the bolts 3 passing through the circular holes 210 and the long holes 27. The second end of the connecting box girder 28 is sleeved with the third square column 25 and is firmly welded. The number and spacing of the long holes 27 are determined according to the width of the side wall of the connecting box girder 28.

[0037] The combination of the box type steel girder 1, the first time box girder 21, the second time box girder 22, the first square column 23, the second square column 24, the third square column 25 and the fourth square column 26 is welded in the factory. When installed, the combination is hoisted and welded in place, and then the connecting box girder 28 is installed. The second end of the connecting box girder 28 can be sleeved outside the third square column 25, and the first end of the connecting box girder 28 is quickly sleeved outside the second square column 24 through the opening 29. The size of the opening 29 is sufficient for sleeving, and the opening 29 facilitates the sleeving of the connecting box girder 28. The length of the sleeving of the two ends of the connecting box girder 28 meets the safety requirements. The circular holes 210 and the corresponding long holes 27 are aligned and connected through bolts and nuts, and the second end of the connecting box girder 28 is welded with the third square column 25.

[0038] In a specific embodiment of the utility model, the first time box girder 21 and the second time box girder 22 are connected at the middle lower part of the first side face, and the distance between the first time box girder 21, the second time box girder 22 and the adjacent end of the first side face is the same. The connection position of the first time box girder 21 and the second time box girder 22 on the first side face can be determined according to the specific situation of construction, and can be connected at the middle lower part of the first side face, without occupying too much area of the first side face, and can drive the connecting box girder 28 to move. The first time box girder 21, the second time box girder 22 are symmetric about the central plane of the first side face, and the first square column 23 and the fourth square column 26 are also symmetric about the central plane of the first side face, so that after the two ends of the box type steel girder 1 are welded and fixed, the first square column 23 and the fourth square column 26 are convenient for welding and fixing with other components.

[0039] The longitudinal section of the first box girder 21 and the second box girder 22 can be rectangular, and the length of the rectangle is parallel to the width direction of the first side face. The length of the first box girder 21 and the second box girder 22 can be determined according to the construction condition.

[0040] In one embodiment of the present application, in order to facilitate the installation and welding of the whole box girder, the ends of the first square column 23 and the fourth square column 26 are flush with the ends of the adjacent box steel girder 1. If the box steel girders 1 are connected one by one, the first square column and the fourth square column of the adjacent box steel girders 1 are welded at the ends.

[0041] In one embodiment of the present application, the first square column 23, the second square column 24, the third square column 25 and the fourth square column 26 have the same size and the same height as the first box girder 21, the square column is firmly welded with the corresponding secondary box girder, and the appearance is neat.

[0042] In one embodiment of the present application, in order to prevent water from entering, the first square column 23, the second square column 24, the third square column 25 and the fourth square column 26 are all closed rectangular boxes. Both ends of each square column are closed, which is convenient for welding and prevents water from entering and rusting.

[0043] In one embodiment of the present application, in order to prevent water from entering the connecting box girder 28, a sealing plate 5 is closed at the first end of the connecting box girder 28, and the distance between the sealing plate 5 and the inner edge of the opening 29 can be 8mm-10mm. After the connecting box girder 28 is installed, there is a gap between the inner wall and the outer wall of the second square column 24, the internal width and height of the connecting box girder 28 are greater than the width and height of the second square column 24, which facilitates the insertion of the second square column 24 and the connecting box girder 28.

[0044] In one embodiment of the present application, in order to improve the stability of the connecting box girder 28, the width of the long hole 27 is the same as the inner diameter of the circular hole 210, and the bolt 3 is matched with the inner diameter of the circular hole 210, so that the connecting box girder 28 does not shake after the bolt 3 is connected. The diameter of the circular hole 210 can be determined according to the construction condition.

[0045] In one embodiment of the present application, in order to connect the connecting box girder 28 stably, the width of the long hole 27 is the same as the inner diameter of the circular hole 210, and the bolt 3 is matched with the inner diameter of the circular hole 210, so that the connecting box girder 28 does not shake after the bolt 3 is connected. The diameter of the circular hole 210 can be determined according to the construction condition.

[0046] In one specific embodiment of the utility model, the first side of the box type steel beam 1 is vertical when installing. The box type steel beams 1 are connected one by one in sequence, the first side is vertical, the sliding connecting piece 2 is integral horizontal, the adjacent first square column and fourth square column are welded and connected, and the large-span cross beam is formed.

[0047] The box girder with the sliding connecting piece according to the utility model is described with reference to the drawings in an exemplary manner. However, it should be understood by those skilled in the art that the box girder with the sliding connecting piece proposed in the above utility model can also be improved in various ways without departing from the content of the utility model. Therefore, the protection scope of the utility model should be determined by the content of the appended claims.

Claims

1. A box girder with a sliding connection, comprising a box-shaped steel girder, characterized in that, A sliding connecting piece is connected to the first side of the box-shaped steel beam, wherein The sliding connecting piece comprises a first box beam and a second box beam which are arranged side by side along the length direction of the first side and have the same size, a first square column and a second square column are connected to the two sides of the end of the first box beam away from the first side, a third square column and a fourth square column are connected to the two sides of the end of the second box beam away from the first side, the center lines of the first square column, the second square column, the third square column and the fourth square column are on the same line and parallel to the length direction of the first side, a row of long holes are arranged on the second square column, the length direction of the long holes is parallel to the length direction of the first side; A connecting box beam is connected between the second square column and the third square column, an opening is formed in the lower edge of the first end of the connecting box beam, circular holes corresponding to the long holes are arranged on the two side walls above the opening; The second end of the connecting box beam is sleeved outside the third square column, the first end is sleeved outside the second square column through the opening, the circular holes and the corresponding long holes are aligned and connected by bolts and nuts.

2. The box girder with sliding connectors of claim 1, wherein, The first box beam and the second box beam are connected to the middle and lower parts of the first side, and the distances between the first box beam, the second box beam and the adjacent end of the first side are the same.

3. The box girder with sliding connectors of claim 1, wherein, The ends of the first square column and the fourth square column are flush with the adjacent ends of the box-shaped steel beam.

4. The box beam with a sliding connector of claim 1, wherein, The longitudinal sections of the first box beam and the second box beam are rectangular, and the length sides of the rectangles are parallel to the width direction of the first side.

5. The box beam with a sliding connector of claim 1, wherein, The first square column, the second square column, the third square column and the fourth square column have the same size, and the heights of the first square column, the second square column, the third square column and the fourth square column are the same as the height of the first box beam.

6. The box beam with a sliding connector of claim 1, wherein, The first square column, the second square column, the third square column and the fourth square column are closed rectangular boxes.

7. The box beam with a sliding connector of claim 1, wherein, A sealing plate is connected to the first end of the connecting box beam, the distance between the sealing plate and the inner edge of the opening is 8mm-10mm, and there is a gap between the inner wall of the connecting box beam and the outer wall of the second square column.

8. The box beam with a sliding connector of claim 1, wherein, A reinforcing inner plate is arranged inside the end of the first box beam and the second box beam, and a sealing plate is arranged at the end of the first box beam and the second box beam.

9. The box beam with a sliding connector of claim 1, wherein, The width of the long hole is the same as the inner diameter of the circular hole.

10. The box beam with a sliding connector of claim 1, wherein, The first side of the box-shaped steel beam is vertical during installation.

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