CN212924198U - Full-assembled connecting node of tower crane standard knot and bailey frame - Google Patents
Full-assembled connecting node of tower crane standard knot and bailey frame Download PDFInfo
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- CN212924198U CN212924198U CN202021584970.8U CN202021584970U CN212924198U CN 212924198 U CN212924198 U CN 212924198U CN 202021584970 U CN202021584970 U CN 202021584970U CN 212924198 U CN212924198 U CN 212924198U
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Abstract
The utility model discloses a tower crane standard festival and full assembled connected node of bailey frame belongs to the construction equipment field. The connecting joint comprises a plurality of bent steel plates and connecting bolts; each bent steel plate is bent into a multi-section structure and is divided into a main body section and connecting sections positioned at two ends of the main body section; the bending steel plates can be sequentially connected end to form a node frame, main body sections of all the bending steel plates in the node frame enclose an annular area, and connecting sections at the end parts of two adjacent bending steel plates are butted and spliced and are fixed in a penetrating mode through connecting bolts; the cross section of the annular area can completely wrap the cross section of the upright post; the node frame is tightly sleeved on the stand column of the tower crane standard knot through an annular area and is fixed, and the end part of the Bailey truss is fixedly connected with the connecting bolt and is erected on the stand column. The utility model discloses the connected node of full assembled can avoid on-the-spot weldment work, does not destroy tower crane standard festival and bailey frame, reduces and sets up time and labour cost, and easy dismounting, is convenient for transport.
Description
Technical Field
The utility model belongs to the construction equipment field, concretely relates to tower crane standard festival and bailey frame's full assembled connected node.
Background
The tower crane standard knot is adopted as temporary support in the construction of part space structure engineering at present, and when the support height is great, the stability of support system is not enough, need add the off-plane support, and general method can only be connected with the support again at tower crane standard knot welded component, but the welding can damage the tower crane standard knot, influences the turnover and uses to welding cost time and labour cost are more.
Therefore, the assembled connecting node is continuously provided, so that the Bailey truss and the tower crane standard knot can be connected without damaging the tower crane standard knot and the Bailey truss.
Disclosure of Invention
An object of the utility model is to solve among the prior art problem that tower crane standard festival and bailey frame are connected the difficulty to a tower crane standard festival and bailey frame's full assembled connected node is provided.
The utility model discloses the concrete technical scheme who adopts as follows:
a fully-assembled connecting joint of a tower crane standard knot and a bailey frame comprises a plurality of bent steel plates and connecting bolts; each bent steel plate is bent into a multi-section structure and is divided into a main body section and connecting sections positioned at two ends of the main body section; the bending steel plates can be sequentially connected end to form a node frame, main body sections of all the bending steel plates in the node frame enclose an annular area, and connecting sections at the end parts of two adjacent bending steel plates are butted and spliced and are fixed in a penetrating mode through connecting bolts; the cross section of the annular area can completely wrap the cross section of the upright post of the tower crane standard knot fixed by the connecting node; the node frame passes through the annular region tightly overlaps fixedly on the stand of tower crane standard festival, thereby the bailey truss tip with connecting bolt connects fixedly and erects on the stand.
Preferably, the number of the internal corners of the cross section of the annular region is the same as the number of the external corners of the cross section of the upright post, and the internal corners of the annular region and the external corners of the upright post are correspondingly engaged in a one-to-one manner in the fastening and fixing state.
Preferably, in all the bent steel plates of the node frame, the connecting sections of any two adjacent bent steel plates are located on the periphery of the annular area.
Preferably, in the node frame, when the connecting sections of at least two adjacent bent steel plate ends are in butt joint, a distance is kept between the connecting sections and is used for adjusting pressing force between the node frame and the upright post.
Preferably, the upright posts are rectangular tubes, the node frame is assembled by two or three bent steel plates, and the annular area of the node frame is rectangular.
Preferably, the upright columns are angle steels, the node frame is formed by assembling three bent steel plates, and the annular area of the node frame is triangular.
Furthermore, one or more bailey frames are fixed on one node frame.
Preferably, the connecting bolt is a high-strength bolt.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses a connected node adopts the form of assembling entirely, and the scene does not have any weldment work, to bailey frame, tower crane standard festival not damaged.
2. The utility model discloses a connected node easy dismounting is convenient for transport, reduces and sets up time and labour cost.
3. The utility model discloses a connected node is applicable to being connected of tower crane standard festival and bailey frame, repeatedly usable.
4. The utility model discloses an among the connected node, tower crane standard festival and bailey frame are the standard component, and the quality can be ensured, and support stability height temporarily.
Drawings
FIG. 1 is a schematic structural diagram of a fully-assembled connection node in a first embodiment;
FIG. 2 is a schematic diagram illustrating the connection node installation and connection in a view angle of the first embodiment;
FIG. 3 is a schematic diagram of connection node installation and connection in another view according to the first embodiment;
FIG. 4 is a schematic structural diagram of a fully-assembled connection node in a second embodiment;
FIG. 5 is a schematic view of a connection node installation connection in a view angle of a second embodiment;
FIG. 6 is a schematic diagram of a connection node installation connection in another view according to the second embodiment;
FIG. 7 is a schematic structural diagram of a fully-assembled connection node in a third embodiment;
FIG. 8 is an overall structure schematic diagram of the tower crane standard knot and the bailey truss after installation.
Detailed Description
The invention will be further elucidated and described with reference to the drawings and embodiments. The utility model discloses in the technical characteristics of each embodiment under the prerequisite that does not conflict each other, all can carry out corresponding combination.
The utility model discloses in, a tower crane standard festival and bailey frame's full assembled connected node is provided, its essential element includes a plurality of steel sheets of buckling and connecting bolt. Wherein, each bent steel plate is bent into a multi-section structure and is divided into a main body section and connecting sections positioned at two ends of the main body section. The bending steel plates can be sequentially connected end to form a node frame, main body sections of all the bending steel plates in the node frame are enclosed to form an annular area, and it is noted that the annular area does not need to be a completely closed ring, and partial openings and gaps can exist in the annular area. The connecting sections at the end parts of the two adjacent bent steel plates are in butt joint and are fixed through the connecting bolts after being in butt joint and splicing. The annular area is used for being sleeved on the upright post of the tower crane standard knot fixed on the connecting node, so that the cross section of the annular area can completely wrap the cross section of the upright post.
In addition, because the node frame and the upright post cannot be completely matched, when at least two adjacent bent steel plates in the node frame are in butt joint at the connecting sections of the end parts, the connecting sections of the two adjacent bent steel plates keep a distance for adjusting the pressing force between the node frame and the upright post. The size of the annular area can be properly adjusted through the tightness of the connecting bolts so as to ensure that proper pressing force is provided between the node frame and the upright post. Therefore, in the assembly type connecting node, the node frame is tightly sleeved on the upright post of the tower crane standard node through the annular area and fixed, and the end part of the Bailey truss is fixedly connected with the connecting bolt so as to be erected on the upright post.
In order to ensure the fit tightness of the annular region and the upright post, the number of the internal corners in the cross section of the annular region is preferably the same as that of the external corners in the cross section of the upright post, and the internal corners of the annular region and the external corners of the upright post are correspondingly clamped one by one in a fastening and fixing state so as to increase the contact area as much as possible.
In addition, in order to ensure the convenience of installation, in all the bent steel plates of the node frame, the connecting sections of any two adjacent bent steel plates are positioned on the periphery of the annular area, namely the connecting sections cannot stretch into the annular area, so that the difficulty in installing the stand column is avoided. In order to ensure the structural strength, the connecting bolt should be a high-strength bolt.
In order to facilitate understanding of specific implementation forms of the present invention, a plurality of specific embodiments are provided below with reference to the accompanying drawings.
As shown in fig. 1, in a preferred embodiment of the present invention, a fully assembled connection node suitable for a rectangular tube stand is provided, which comprises a first bending steel plate 101, a second bending steel plate 102, a third bending steel plate 103, a first connection bolt 104, a second connection bolt 105, and a third connection bolt 106. The first bending steel plate 101, the second bending steel plate 102 and the third bending steel plate 103 are all bent into a multi-section structure by using strip-shaped steel plates, and are divided into a main body section and connecting sections positioned at two ends of the main body section, and the main body section and the connecting sections are spliced end to form a node frame. The annular area of the node frame is rectangular, and is provided with four internal corners corresponding to four external corners of the rectangular pipe. The third connecting bolt 106 connects one end of the first bent steel plate 101 and one end of the third bent steel plate 103, the connecting sections at the ends of the first bent steel plate and the third bent steel plate are pressed against each other, and the third connecting bolt 106 is fixed by a nut after penetrating through the connecting sections. The bent steel plate connecting sections connected by the first connecting bolts 104 and the second connecting bolts 105 are not attached, and a certain distance is kept, so that the size of the annular area is changed by adjusting the tightness of the connecting bolts, and the pressing force between the node frame and the upright column is adjusted. The connecting section of the first bent steel plate 101 and the connecting section of the second bent steel plate 102 keep a small distance, and the two ends of the first connecting bolt 104 extend out of the connecting sections for a long distance, so that the end part of the bailey truss can be hung on the section between the end part of the first connecting bolt 104 and the connecting sections. The connecting section of the second bending steel plate 102 and the connecting section of the third bending steel plate 103 are spaced at a larger distance, two ends of the second connecting bolt 105 are fixed on the connecting sections at two sides through nuts, and a larger space is reserved between the connecting sections at two sides for the end part of the bailey truss to extend into.
This assembled connected node's installation form is as shown in fig. 2 and 3, and the node frame passes through the regional tight cover of annular and fixes on tower crane standard festival's stand 2, thereby 3 tip of bailey frame and connecting bolt are connected fixedly and are erect on the stand. As mentioned before, the connection node may provide two different forms of connection of the ends of the bailey truss 3.
As shown in fig. 4, in another preferred embodiment of the present invention, a fully assembled connection node suitable for an angle iron upright is provided, which includes a fourth bending steel plate 201, a fifth bending steel plate 202, a sixth bending steel plate 203, a seventh bending steel plate 204, a fourth connection bolt 205, a fifth connection bolt 206, a sixth connection bolt 207, and a seventh connection bolt 208. Similar to the previous embodiment, the fourth bending steel plate 201, the fifth bending steel plate 202, the sixth bending steel plate 203, and the seventh bending steel plate 204 are all bent into a multi-section structure by using strip-shaped steel plates, and are divided into a main section and connecting sections located at two ends of the main section, which are spliced end to form a node frame. The annular area of the node frame is triangular, and is provided with three internal corners corresponding to three external corners of the angle steel. The connecting sections of the ends of the bent steel plates connected by the sixth connecting bolt 207 and the seventh connecting bolt 208 are pressed against each other and attached to each other, and the connecting bolts are fixed by nuts after penetrating through the connecting bolts. The bent steel plate connecting sections connected by the fourth connecting bolt 205 and the fifth connecting bolt 206 are not attached to each other, and a certain distance is kept, so that the size of the annular area is changed by adjusting the tightness of the connecting bolts, and the pressing force between the node frame and the upright column is adjusted. The connecting section of the fifth bending steel plate 202 and the connecting section of the seventh bending steel plate 204 keep a small distance, and the two ends of the fourth connecting bolt 205 extend out of the connecting sections for a long distance, so that the end of the bailey bracket can be hung on the section between the end of the fourth connecting bolt 205 and the connecting sections. The connecting section of the fourth bent steel plate 201 and the connecting section of the fifth bent steel plate 202 have a larger distance, two ends of the fifth connecting bolt 206 are fixed on the connecting sections at two sides through nuts, and a larger space is reserved between the connecting sections at two sides for the end part of the bailey truss to extend into.
The installation form of this assembled connected node is shown in fig. 5 and 6, and the node frame passes through the regional tight cover of annular and fixes on tower crane standard festival's stand 2, thereby the bailey truss tip is connected fixedly with connecting bolt and is erect on the stand. The connection node may also provide two different types of bailey truss end connections.
Of course, in the above embodiments, one bailey frame may be fixed to one node frame, or a plurality of bailey frames may be fixed to the node frame at the same time, and the fixing may be specifically adjusted as needed. For example, the node frame shown in fig. 1 may be simplified, only one bailey frame is fixed, and the structure in this case is composed of only two bent steel plates, and the form is shown in fig. 7.
The fully assembled connecting node provided in the above different embodiments can be used in a project to realize the installation of the bailey frames at different positions, as shown in fig. 8, the form of the bailey frame in a preferred embodiment of the present invention is shown. In this structure, form a plurality of support frames by the assembly of tower crane standard festival, different bailey framves can be installed on the stand of support frame through aforementioned full assembled connected node cooperation, need not the welding, can not destroy the self structure of bailey frame and tower crane standard festival.
The above-mentioned embodiments are merely a preferred embodiment of the present invention, but it is not intended to limit the present invention. Various changes and modifications can be made by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present invention. Therefore, all the technical schemes obtained by adopting the mode of equivalent replacement or equivalent transformation fall within the protection scope of the utility model.
Claims (8)
1. A fully-assembled connecting joint of a tower crane standard knot and a Bailey frame is characterized by comprising a plurality of bent steel plates and connecting bolts; each bent steel plate is bent into a multi-section structure and is divided into a main body section and connecting sections positioned at two ends of the main body section; the bending steel plates can be sequentially connected end to form a node frame, main body sections of all the bending steel plates in the node frame enclose an annular area, and connecting sections at the end parts of two adjacent bending steel plates are butted and spliced and are fixed in a penetrating mode through connecting bolts; the cross section of the annular area can completely wrap the cross section of the upright post of the tower crane standard knot fixed by the connecting node; the node frame passes through the annular region tightly overlaps fixedly on the stand of tower crane standard festival, thereby the bailey truss tip with connecting bolt connects fixedly and erects on the stand.
2. The tower crane standard knot and bailey truss full-assembled connecting node as claimed in claim 1, wherein the number of internal corners in the cross section of the annular region is the same as the number of external corners in the cross section of the upright post, and the internal corners of the annular region and the external corners of the upright post are correspondingly clamped one by one in a fastening and fixing state.
3. The fully-assembled connecting node of the tower crane standard knot and the bailey truss as claimed in claim 1, wherein the connecting sections of any two adjacent bent steel plates in all the bent steel plates of the node frame are positioned at the periphery of the annular area.
4. The fully-assembled connecting joint of the tower crane standard knot and the bailey truss as claimed in claim 1, wherein when the connecting sections of at least two adjacent bent steel plate ends in the joint frame are butted and spliced, a distance is kept between the connecting sections and is used for adjusting the pressing force between the joint frame and the upright post.
5. The fully assembled connecting joint of the tower crane standard knot and the bailey truss as claimed in claim 1, wherein the upright posts are rectangular tubes, the joint frame is assembled by two or three bent steel plates, and an annular area of the joint frame is rectangular.
6. The fully-assembled connecting node of the tower crane standard knot and the bailey truss as claimed in claim 1, wherein the upright columns are angle steels, the node frame is assembled by three bent steel plates, and the annular area of the node frame is triangular.
7. The fully-assembled connecting node of the tower crane standard knot and the bailey frames as claimed in claim 5 or 6, wherein one or more bailey frames are fixed on one node frame.
8. The fully-assembled connecting node of the tower crane standard knot and the bailey truss as claimed in claim 1, wherein the connecting bolts are high-strength bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021584970.8U CN212924198U (en) | 2020-08-03 | 2020-08-03 | Full-assembled connecting node of tower crane standard knot and bailey frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021584970.8U CN212924198U (en) | 2020-08-03 | 2020-08-03 | Full-assembled connecting node of tower crane standard knot and bailey frame |
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| Publication Number | Publication Date |
|---|---|
| CN212924198U true CN212924198U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021584970.8U Active CN212924198U (en) | 2020-08-03 | 2020-08-03 | Full-assembled connecting node of tower crane standard knot and bailey frame |
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| Country | Link |
|---|---|
| CN (1) | CN212924198U (en) |
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- 2020-08-03 CN CN202021584970.8U patent/CN212924198U/en active Active
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