A portal steel frame connection structure

Abstract

This utility model relates to the field of portal frame connection technology, specifically to a portal frame connection structure, including a first connecting plate installed on the top of a column, a second connecting plate installed on the bottom of a main beam, and through holes on both the first and second connecting plates. The first and second connecting plates are connected by a first fastener. The portal frame connection structure also includes a docking mechanism, a connecting mechanism, a supporting mechanism, and an auxiliary installation mechanism. An installation groove is provided on the top of the column. The docking mechanism is located between the column and the main beam, and includes a square block and a square plate. The square block is located on the top of the main beam and can slide to abut against the installation groove. The square plate is located on the side of the main beam, and a square hole is provided on the side of the square plate. This technical solution, through the docking mechanism, facilitates the pre-alignment of the through holes on the first and second connecting plates, thereby improving the rapid docking and installation between the main beam and the column and increasing work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of portal steel frame connection technology, specifically to a portal steel frame connection structure. Background Technology

[0002] Currently, portal steel frames, as an important building structure, are rooted in the rapid development needs of modern industrial and civil buildings. With the acceleration of industrialization and the continuous improvement of urbanization, the demand for large-span, wide-opening, lightweight, and efficient building structures is increasing daily. Portal steel frame structures emerged in this context and have gradually developed into a mainstream structural form widely used in various building types such as warehouses, factories, stadiums, and exhibition halls.

[0003] Chinese Patent Publication No. CN222771937U discloses a portal steel frame connection structure. It comprises two roof beams, one of which has a limiting block fixedly connected to its side wall, and the other roof beam has a fixing block fixedly connected to its side wall. The fixing block has a limiting groove in its center to cooperate with the limiting block. This invention utilizes the interlocking of various components to achieve the overall connection and installation of the portal steel frame, overcoming the time-consuming and labor-intensive drawbacks of traditional riveting methods. This not only improves work efficiency but also significantly reduces the labor intensity of workers, demonstrating high economic practicality.

[0004] However, in actual use, when the first connecting plate is connected to the second connecting plate, the holes on the first connecting plate and the second connecting plate need to be aligned first before the first connecting plate and the second connecting plate can be connected by bolts and nuts, which reduces work efficiency. Utility Model Content

[0005] To address the aforementioned issues, a portal steel frame connection structure is provided, which solves the problem of inconvenient quick alignment between the first and second connecting plates through a docking mechanism.

[0006] To address the problems of existing technologies, this utility model provides a portal steel frame connection structure, including a first connecting plate installed on the top of a column, a second connecting plate installed on the bottom of a main beam, and through holes on both the first and second connecting plates. The first and second connecting plates are connected by a first fastener. The portal steel frame connection structure also includes a docking mechanism, a connecting mechanism, a supporting mechanism, and an auxiliary installation mechanism. An installation groove is provided on the top of the column. The docking mechanism is located between the column and the main beam, and includes a square block and a square plate. The square block is located on the top of the main beam and can slide to abut against the installation groove. The square plate is located on the side of the main beam, and a square hole is provided on the side of the square plate, penetrating both the top and bottom of the square plate. The connecting mechanism is located on the side of the square plate and is used to install and disassemble the square plate from the installation groove. The supporting mechanism is located at the bottom of the square block and is used to stably support the installed square block. The auxiliary installation mechanism is located on the side of the square block and is used to improve the smoothness of the square plate installation.

[0007] Preferably, the docking mechanism further includes a connecting block; a connecting groove is provided at the bottom of the main beam; the connecting block is located at the bottom of the square block, and the connecting block can slide and abut against the connecting groove.

[0008] Preferably, the connecting mechanism includes a fixing plate and a second fastener; the fixing plate has a pair and is respectively disposed on both sides of the square block; the mounting groove has recesses on both sides for the fixing plate to abut against; the second fastener has multiple fasteners and is respectively disposed on the side of the fixing plate, and the second fastener can be screwed in by means of threads to make the fixing plate abut against the recesses.

[0009] Preferably, the support mechanism includes a base plate, an insert plate, and a support plate; the base plate is disposed at the bottom of the square hole; the insert plate is disposed at the top of the base plate; and the support plate is disposed at the top of the insert plate and below the base plate.

[0010] Preferably, the support mechanism further includes support springs; there are multiple support springs respectively disposed on the top of the insert plate, one end of the support spring is fixed to the insert plate, and the other end of the support spring is fixed to the support plate.

[0011] Preferably, the support mechanism further includes a locking block; the locking block is located at the bottom of the base plate, and the bottom of the square hole has a locking groove for the locking block to abut against.

[0012] Preferably, the auxiliary installation mechanism includes a mounting plate and ball bearings; a plurality of semi-circular grooves are provided on the side of the square plate; the mounting plate has a pair and is respectively provided on the side of the square plate, and the top of the mounting plate has a plurality of mating grooves corresponding to the positions of the semi-circular grooves; a plurality of ball bearings are respectively rotatably disposed inside the semi-circular grooves, and the mounting plate can slide and abut the plurality of ball bearings against the inside of the semi-circular grooves.

[0013] Preferably, the auxiliary installation mechanism further includes a third fastener; the top of the mounting plate is provided with a hidden groove for hiding the third fastener; there are multiple third fasteners respectively disposed on the top of the mounting plate, and the third fasteners can be screwed into the mounting plate to abut against the side of the square block.

[0014] The advantages of this utility model compared to the prior art are:

[0015] 1. By setting up a docking mechanism, this utility model facilitates the alignment of the through holes on the first connecting plate and the second connecting plate, thereby improving the rapid docking and installation between the main beam and the column, reducing working time, and improving work efficiency.

[0016] 2. By setting a connecting mechanism, the fixing plate can be inserted into the interior of the sink, and then the fixing plate can be fixed by a second fastener, thereby enabling the quick installation of the square plate.

[0017] 3. By setting up a support mechanism, after installation, the support springs can be supported between the insert plate and the support plate respectively, which can buffer the hard contact between the square block and the mounting groove, and facilitate the support of the main beam.

[0018] 4. By setting an auxiliary installation mechanism, this utility model can reduce the contact friction between the square plate and the installation groove when they are connected, thus ensuring smooth connection between the square block and the installation groove. Attached Figure Description

[0019] Figure 1 This is a first-view perspective three-dimensional structural diagram of a portal steel frame connection structure according to this utility model.

[0020] Figure 2 This is a partial cross-sectional view of a portal steel frame connection structure according to this utility model.

[0021] Figure 3 This is a partial frontal cross-sectional view of the main beam and connecting block of a portal steel frame connection structure according to this utility model.

[0022] Figure 4 This is a partial cross-sectional view of the support mechanism of a portal steel frame connection structure according to this utility model.

[0023] Figure 5 This is a frontal partial cross-sectional view of the square block and main beam of a portal steel frame connection structure of this utility model in the connected state.

[0024] Figure 6 yes Figure 2 Enlarged structural diagram at point A in the middle.

[0025] Figure 7This is a partial cross-sectional three-dimensional structural diagram of a square plate and auxiliary installation mechanism for a portal steel frame connection structure according to this utility model.

[0026] Figure 8 This is a three-dimensional structural diagram of the mounting plate and ball bearings of a portal steel frame connection structure according to this utility model.

[0027] Figure 9 This is a three-dimensional structural diagram of the mounting plate, third fastener, and ball bearings of a portal steel frame connection structure under disassembly conditions.

[0028] The diagram is labeled as follows: 1. Column; 101. Sink; 11. Mounting slot; 2. Main beam; 21. Connecting slot; 3. First connecting plate; 4. Second connecting plate; 411. First fastener; 5. Docking mechanism; 51. Square block; 52. Square plate; 521. Square hole; 522. Slot; 53. Connecting block; 6. Connecting mechanism; 61. Fixing plate; 62. Second fastener; 7. Support mechanism; 71. Base plate; 72. Insert plate; 73. Support plate; 74. Support spring; 75. Locking block; 8. Auxiliary installation mechanism; 81. Mounting plate; 82. Ball bearing; 83. Third fastener. Detailed Implementation

[0029] To further understand the features, technical means, and specific objectives and functions achieved by this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments.

[0030] See Figures 1-5 As shown, a portal steel frame connection structure includes a first connecting plate 3 installed on the top of a column 1 and a second connecting plate 4 installed on the bottom of a main beam 2. Both the first connecting plate 3 and the second connecting plate 4 have through holes. The first connecting plate 3 and the second connecting plate 4 are connected by a first fastener 411. The portal steel frame connection structure also includes a docking mechanism 5, a connecting mechanism 6, a supporting mechanism 7, and an auxiliary installation mechanism 8. An installation groove 11 is provided on the top of the column 1. The docking mechanism 5 is located between the column 1 and the main beam 2, and includes a square block 51 and a square plate 52. The square block 51 is located on the top of the main beam 2, and the square block 52... 1. It can slide and abut against the mounting groove 11; a square plate 52 is set on the side of the main beam 2, and a square hole 521 is opened on the side of the square plate 52, and the square hole 521 passes through the top and bottom of the square plate 52 respectively; a connecting mechanism 6 is set on the side of the square plate 52, and the connecting mechanism 6 is used to install and disassemble the square plate 52 and the mounting groove 11; a support mechanism 7 is set on the bottom of the square block 51, and the support mechanism 7 is used to stably support the installed square block 51; an auxiliary installation mechanism 8 is set on the side of the square block 51, and the auxiliary installation mechanism 8 is used to improve the smoothness of the installation of the square plate 52.

[0031] When the square block 51 slides to the position of the square hole 521 opened in the square plate 52, the first connecting plate 3 can be aligned with the through hole opened in the second connecting plate 4 in this state. Then, the first fastener 411 is used to quickly connect the first connecting plate 3 and the second connecting plate 4 after docking, so that the main beam 2 and the column 1 can be installed quickly.

[0032] See Figure 2 and Figure 3 As shown, the docking mechanism 5 also includes a connecting block 53; a connecting groove 21 is provided at the bottom of the main beam 2; the connecting block 53 is located at the bottom of the square block 51, and the connecting block 53 can slide and abut against the connecting groove 21.

[0033] When it is necessary to install the square block 51, first move the square block 51 until the connecting block 53 is inserted into the connecting groove 21, and then use the second fastener 62 to fix the installed connecting block 53, thereby realizing the quick installation of the square block 51.

[0034] See Figure 3 and Figure 4 As shown, the connecting mechanism 6 includes a fixing plate 61 and a second fastener 62; the fixing plate 61 has a pair and is respectively disposed on both sides of the square block 51; the mounting groove 11 has recesses 101 on both sides for the fixing plate 61 to abut; the second fastener 62 has a plurality of fasteners and is respectively disposed on the side of the fixing plate 61, and the second fastener 62 can be screwed in by means of threads to make the fixing plate 61 abut against the recesses 101.

[0035] When it is necessary to align the square plate 52 with the mounting groove 11, first move the square plate 52 and insert it into the mounting groove 11. At this time, the fixing plate 61 can be inserted into the recess 101. Then, the second fastener 62 is used to fix the fixing plate 61, so that the square plate 52 can be installed quickly.

[0036] See Figures 3-5 As shown, the support mechanism 7 includes a base plate 71, an insert plate 72, and a support plate 73; the base plate 71 is disposed at the bottom of the square hole 521; the insert plate 72 is disposed at the top of the base plate 71; and the support plate 73 is disposed at the top of the insert plate 72 and located below the base plate 71.

[0037] The base plate 71 is detachably connected to the square hole 521, and the insert plate 72 can be inserted into the interior of the square hole 521.

[0038] See Figure 5 As shown, the support mechanism 7 also includes a support spring 74; there are multiple support springs 74 respectively disposed on the top of the insert plate 72, one end of the support spring 74 is fixed to the insert plate 72, and the other end of the support spring 74 is fixed to the support plate 73.

[0039] After installation, the support spring 74 can be supported between the insert plate 72 and the support plate 73 respectively, which can buffer the hard contact between the square block 51 and the mounting groove 11 and facilitate the support of the main beam 2.

[0040] See Figure 5 As shown, the support mechanism 7 also includes a locking block 75; the locking block 75 is disposed at the bottom of the base plate 71, and a locking groove 522 for the locking block 75 to abut at the bottom of the square hole 521.

[0041] The locking block 75 can abut against the slot 522 opened at the bottom of the square hole 521, which facilitates the installation of the base plate 71 and the square block 51.

[0042] See Figure 6 As shown, the auxiliary installation mechanism 8 includes a mounting plate 81 and ball bearings 82; a plurality of semi-circular grooves are provided on the side of the square plate 52; the mounting plate 81 has a pair and is respectively provided on the side of the square plate 52, and a plurality of mating grooves corresponding to the positions of the semi-circular grooves are provided on the top of the mounting plate 81; a plurality of ball bearings 82 are respectively rotatably disposed inside the semi-circular grooves, and the mounting plate 81 can slide and abut the plurality of ball bearings 82 against the inside of the semi-circular grooves.

[0043] The interior of the semi-circular groove can be coated with lubricating oil to ensure that the ball bearing 82 can contact and rotate with the column 1 during installation, ensuring smooth rolling of the ball bearing 82. When the square plate 52 is inserted into the mounting groove 11, the ball bearing 82 can contact and rotate with the inner wall of the mounting groove 11 during this process, thereby reducing the contact friction between the square plate 52 and the mounting groove 11 during docking, ensuring smooth docking between the square block 51 and the mounting groove 11.

[0044] See Figures 7-9 As shown, the auxiliary mounting mechanism 8 also includes a third fastener 83; the top of the mounting plate 81 is provided with a hidden groove for hiding the third fastener 83; there are multiple third fasteners 83 and they are respectively provided on the top of the mounting plate 81, and the third fasteners 83 can be screwed into the mounting plate 81 to the side of the square block 51 by means of thread.

[0045] The ball bearing 82 can be disassembled from the outer side of the square plate 52. To install and remove the ball bearing 82, first rotate the third fastener 83 outward from the outer side of the mounting plate 81, then the ball bearing 82 can disengage from the outer side of the semi-circular groove. To install the ball bearing 82, first place multiple ball bearings 82 inside the multiple mating grooves opened at the top of the mounting plate 81, then move the mounting plate 81 to the inside of the semi-circular groove opened on the square plate 52, at which point the ball bearing 82 can be abutted by the mating groove and the semi-circular groove. Then, rotate the third fastener 83 to the top of the mounting plate 81, thus achieving quick installation and removal of the ball bearing 82.

[0046] The above embodiments only illustrate one or more implementations of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A portal steel frame connecting structure, comprising a first connecting plate (3) installed on the top of a stand column (1), a second connecting plate (4) installed on the bottom of a main beam (2), and a through hole formed on the first connecting plate (3) and the second connecting plate (4), wherein the first connecting plate (3) and the second connecting plate (4) are connected by a first fastener (411), characterized in that, The portal steel frame connection structure also includes a docking mechanism (5), a connection mechanism (6), a support mechanism (7), and an auxiliary installation mechanism (8); The top of the column (1) is provided with an installation groove (11); The docking mechanism (5) is set between the column (1) and the main beam (2). The docking mechanism (5) includes a square block (51) and a square plate (52). A square block (51) is set on the top of the main beam (2), and the square block (51) can slide and abut against the mounting groove (11); A square plate (52) is set on the side of the main beam (2). A square hole (521) is opened on the side of the square plate (52), and the square hole (521) passes through the top and bottom of the square plate (52) respectively. The connecting mechanism (6) is located on the side of the square plate (52). The connecting mechanism (6) is used to install and remove the square plate (52) from the mounting groove (11). The support mechanism (7) is set at the bottom of the square block (51) and is used to provide stable support for the installed square block (51). An auxiliary installation mechanism (8) is located on the side of the square block (51) to improve the smoothness of the installation of the square plate (52).

2. The portal steel frame connection structure according to claim 1, wherein The docking mechanism (5) also includes a connecting block (53); a connecting groove (21) is provided at the bottom of the main beam (2); the connecting block (53) is located at the bottom of the square block (51), and the connecting block (53) can slide and abut against the connecting groove (21).

3. The portal steel frame connection structure according to claim 1, wherein The connecting mechanism (6) includes a fixing plate (61) and a second fastener (62); the fixing plate (61) has a pair and is respectively disposed on both sides of the square block (51); the mounting groove (11) has countersunk grooves (101) on both sides for the fixing plate (61) to abut; the second fastener (62) has multiple and is respectively disposed on the side of the fixing plate (61), and the second fastener (62) can make the fixing plate (61) and the countersunk groove (101) abut in a screw-in manner.

4. The portal steel frame connection structure according to claim 1, wherein The support mechanism (7) includes a base plate (71), an insert plate (72) and a support plate (73); the base plate (71) is located at the bottom of the square hole (521); the insert plate (72) is located at the top of the base plate (71); and the support plate (73) is located at the top of the insert plate (72) and below the base plate (71).

5. The portal steel frame connection structure according to claim 4, wherein The support mechanism (7) also includes a support spring (74); there are multiple support springs (74) respectively disposed on the top of the insert plate (72), one end of the support spring (74) is fixed to the insert plate (72), and the other end of the support spring (74) is fixed to the support plate (73).

6. The portal steel frame connection structure according to claim 1, wherein The support mechanism (7) also includes a locking block (75); the locking block (75) is located at the bottom of the base plate (71), and the bottom of the square hole (521) is provided with a locking groove (522) for the locking block (75) to abut.

7. A portal steel frame connection structure according to claim 1, characterized in that, The auxiliary installation mechanism (8) includes a mounting plate (81) and ball bearings (82); a plurality of semi-circular grooves are provided on the side of the square plate (52); the mounting plate (81) has a pair and is respectively provided on the side of the square plate (52), and a plurality of mating grooves corresponding to the positions of the semi-circular grooves are provided on the top of the mounting plate (81); a plurality of ball bearings (82) are respectively rotatably provided inside the semi-circular grooves, and the mounting plate (81) can slide and abut the plurality of ball bearings (82) against the inside of the semi-circular grooves.

8. A portal steel frame connection structure according to claim 7, characterized in that, The auxiliary installation mechanism (8) also includes a third fastener (83); the top of the mounting plate (81) is provided with a hidden groove for hiding the third fastener (83); The third fastener (83) has multiple fasteners and is respectively disposed on the top of the mounting plate (81). The third fastener (83) can screw the mounting plate (81) against the side of the square block (51) by means of threading.

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