CN214887114U - Reliable connection mechanism of grid steel frame node implemented in stages - Google Patents
Reliable connection mechanism of grid steel frame node implemented in stages Download PDFInfo
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- CN214887114U CN214887114U CN202121522215.1U CN202121522215U CN214887114U CN 214887114 U CN214887114 U CN 214887114U CN 202121522215 U CN202121522215 U CN 202121522215U CN 214887114 U CN214887114 U CN 214887114U
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Abstract
The utility model discloses a reliable coupling mechanism of grid steelframe node of implementation by stage. The utility model discloses a reliable coupling mechanism of grid steelframe node that the stage was implemented, including the corrosion resistant plate, the corrosion resistant plate sets up in the node of last period grid steelframe, be provided with the draw-in groove that is used for connecting the grid steelframe of next period on the steel sheet. The utility model discloses a reliable coupling mechanism of grid steelframe node that the stage was implemented will last one time period grid steelframe and next one time period grid steelframe through the interact of connecting steel sheet and draw-in groove and connect, and the draw-in groove fixes a position next one time period grid steelframe, and the connection that different time period grid steelframes can be accurate, and the connection efficiency is high, and is with low costs.
Description
Technical Field
The utility model relates to a tunnel construction building equipment especially relates to a reliable coupling mechanism of grid steelframe node of implementation by stage.
Background
When the tunnel construction is started by adopting a tunnel with a small section and a large section, such as a hole-column method (PBA), a CD, a CRD, a middle hole method, a side guide hole method and the like, because the grid steel frames of the primary support need to be implemented in a subsection mode, the grids of all stages need to be connected and are commonly used for bearing stress, the grid steel frames of the primary support are used for different-period construction, and the reliability of steel frame nodes is one of the most important reasons for preventing the structure from generating large settlement when a stress system is converted. The grid steelframe of different stages of construction can't reach theoretical connection form during the connection, if: the lapping length, angle, position and the like, the precision requirements on the processing and installation of the grid steel frame are high, and the connection process of the grid and the front construction implemented at the back has low efficiency and higher cost.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing a reliable coupling mechanism of grid steelframe node that stage implementation that has the characteristics of form simple and convenient, efficient, the connection is firm reliable is provided.
A reliable coupling mechanism of grid steel frame node of implementation by stage, includes:
the connecting steel plate is arranged at the node of the last one-time-period grid steel frame, and the steel plate is provided with a clamping groove for connecting the next one-time-period grid steel frame.
The utility model discloses a reliable coupling mechanism of grid steelframe node that the stage was implemented will last one time period grid steelframe and next one time period grid steelframe through the interact of connecting steel sheet and draw-in groove and connect, and the draw-in groove fixes a position next one time period grid steelframe, and the connection that different time period grid steelframe can be accurate, and connection efficiency is high, and is with low costs.
Further preferably, the number of the connecting steel plates is two, and the two connecting steel plates are respectively arranged at the top and the bottom of the node.
Further preferably, the connection steel plate is further provided with a bending portion which bends the side surface of the last period of the grid steel frame.
Further preferably, the bent portion is formed by cold-bending the connecting steel plate or welding the channel steel and the connecting steel plate.
Further preferably, the arrangement direction of the clamping groove is the same as the arrangement direction of the grid steel frame in the next time period.
Further preferably, the shape of the clamping groove is adapted to the shape of the main rib on the grid steel frame in the next time period.
Further preferably, the connection steel plate is welded to the last-period grid steel frame.
Further preferably, the length of the connecting steel plate matches the connecting length of the grating.
Compared with the prior art, the reliable connection mechanism of the grid steel frame nodes implemented by stages of the utility model connects the grid steel frame of the previous period with the grid steel frame of the next period through the interaction of the connecting steel plate and the clamping groove, and the clamping groove positions the grid steel frame of the next period, so that the grid steel frames of different periods can be accurately connected, the connection efficiency is high, and the cost is low; the direction of the clamping groove is the same as the arrangement direction of the grid steel frame in the next time period, so that the installation direction of the grid steel frame in different time periods can be better ensured, and the condition of dislocation is avoided; the shape of draw-in groove suits with the shape of main muscle on the grid steelframe of next time for what the draw-in groove can be better carries out the block with grid steelframe of next time, further guarantees the degree of accuracy of installation. The utility model discloses a reliable coupling mechanism of grid steelframe node that the stage was implemented has the form simple and convenient, efficient, connect firm reliable characteristics.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the structure of the utility model connected with a grid steel frame.
Fig. 2 is a schematic structural view (another installation mode) of the present invention connected to a grid steel frame.
In the figure: 1 connecting steel plate, 2 last one-time grid steelframe, 3 next one-time connecting steelframe, 4 draw-in grooves, 5 portions of bending.
Detailed Description
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.
The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1, the present embodiment discloses a reliable connection mechanism for grid steel frame nodes implemented in different periods, which includes a connection steel plate 1, where the connection steel plate 1 is disposed at a node of a grid steel frame 2 in a previous period, and a slot 4 for connecting a grid steel frame 3 in a next period is disposed on the steel plate 1.
Specifically, the connecting steel plate 1 is welded to the last-period grid steel frame 2. When the joint grid steel frame is installed, firstly, the connecting steel plate 1 is fixed at a node on the outer side of the grid steel frame 2 in the previous period, and then the joint grid steel frame 3 in the next period is connected through the clamping groove 4, so that the lap welding length is ensured, and the main rib of the joint grid is welded with the connecting steel plate 1. Through the interact of connecting steel plate 1 and draw-in groove 4 will last period grid steelframe 2 and next period grid steelframe 3 connect, and draw-in groove 4 fixes a position next period grid steelframe 3, and the connection that different periods grid steelframe can be accurate, and connection efficiency is high, and is with low costs.
Further preferably, no embedded member is provided at the node. The embedded components comprise connecting plates, angle steel or connecting reinforcing steel bars and the like, so that interference caused by the embedded components in the connecting process can be avoided, and the connecting efficiency is ensured.
Further preferably, the number of the connecting steel plates 1 is two, and the two connecting steel plates 1 are respectively arranged at the top and the bottom of the node. When the installation, the main connecting rib of the grid steel frame 3 in the next time period passes through the clamping grooves 4 on the upper and lower two connecting steel plates 1, so that the grid steel frame 2 in the last time period is connected, and the connecting strength is ensured. The length of the connecting steel plate 1 is matched with the connecting length of the grating.
Further preferably, the connection steel plate 1 is further provided with a bending portion 5 which is bent towards the side of the previous period of the grid steel frame 2, and the bending portion 5 is convenient for positioning the connection steel plate 1 and the previous period of the grid steel frame 2.
Further preferably, the bending part 5 is formed by cold-bending the connecting steel plate 1 or welding the channel steel and the connecting steel plate 1 in a splicing manner, the processing mode is simple and rapid, and the cost is low.
Further preferably, the arrangement direction of the clamping groove 4 is the same as that of the grid steel frame 3 in the next period, and the shape of the clamping groove 4 is adapted to the shape of the main rib on the grid steel frame 3 in the next period. When the installation, the installation direction can be determined, the grid steel frame 3 in the next period can be better clamped, the condition of dislocation cannot be generated in the connection process, and the connection is more stable.
Compared with the prior art, the reliable connection mechanism of the grid steel frame nodes implemented by stages of the utility model connects the grid steel frame 2 of the previous time period and the grid steel frame 3 of the next time period through the interaction of the connecting steel plate 1 and the clamping groove 4, and the clamping groove 4 positions the grid steel frame 3 of the next time period, so that the grid steel frames of different time periods can be accurately connected, the connection efficiency is high, and the cost is low; the direction of the clamping groove 4 is the same as the arrangement direction of the grid steel frame 3 in the next time period, so that the installation direction of the grid steel frames in different time periods can be better ensured, and the situation of dislocation is avoided; the shape of draw-in groove 4 suits with the shape of main muscle on the grid steelframe 3 of next time period for draw-in groove 4 can be better carry out the block with grid steelframe 3 of next time period, further guarantee the degree of accuracy of installation. The utility model discloses a reliable coupling mechanism of grid steelframe node that the stage was implemented has the form simple and convenient, efficient, connect firm reliable characteristics.
In addition, besides one side of the grid steel frame 2 in the previous period is connected with the grid steel frame 3 in the next period, the grid steel frames can be installed on both sides, when the grid steel frames are installed on both sides, the length of the connecting steel plate 1 is prolonged, and then the connected grid steel frames are inserted into the clamping grooves of the extending steel plates, and the specific installation mode is shown in fig. 2.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (8)
1. The utility model provides a reliable coupling mechanism of grid steelframe node of implementation by stage which characterized in that: the method comprises the following steps:
the connecting steel plate is arranged at the node of the last one-time-period grid steel frame, and the steel plate is provided with a clamping groove for connecting the next one-time-period grid steel frame.
2. The mechanism of claim 1, wherein the mechanism comprises: the connecting steel plates are arranged in two numbers, and the two connecting steel plates are respectively arranged at the top and the bottom of the node.
3. The mechanism of claim 1, wherein the mechanism comprises: and the connecting steel plate is also provided with a bending part which is bent towards the side surface of the last period of the grid steel frame.
4. The mechanism of claim 3, wherein the mechanism comprises: the bending part is formed by cold bending the connecting steel plate or welding the channel steel and the connecting steel plate in a splicing mode.
5. The reliable connection mechanism of grid steel frame nodes implemented in stages according to any one of claims 1 to 4, characterized in that: and the connecting steel plate is welded on the last-time grid steel frame.
6. The reliable connection mechanism of grid steel frame nodes implemented in stages according to any one of claims 1 to 4, characterized in that: the length of the connecting steel plate is matched with the connecting length of the grating.
7. The reliable connection mechanism of grid steel frame nodes implemented in stages according to any one of claims 1 to 4, characterized in that: the arrangement direction of the clamping groove is the same as that of the grid steel frame in the next time period.
8. The reliable connection mechanism of grid steel frame nodes implemented in stages according to any one of claims 1 to 4, characterized in that: the shape of the clamping groove is matched with the shape of the main rib on the grid steel frame in the next time period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121522215.1U CN214887114U (en) | 2021-07-05 | 2021-07-05 | Reliable connection mechanism of grid steel frame node implemented in stages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121522215.1U CN214887114U (en) | 2021-07-05 | 2021-07-05 | Reliable connection mechanism of grid steel frame node implemented in stages |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887114U true CN214887114U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121522215.1U Active CN214887114U (en) | 2021-07-05 | 2021-07-05 | Reliable connection mechanism of grid steel frame node implemented in stages |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214887114U (en) |
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2021
- 2021-07-05 CN CN202121522215.1U patent/CN214887114U/en active Active
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