Module-to-concrete core tube connecting structure capable of vertically sliding

Abstract

The invention discloses a module-to-concrete core tube connecting structure capable of vertically sliding, which comprises a module-to-concrete core tube node and a bolt-shear cone node, and the module-to-concrete core tube node comprises an embedded node box, a horizontal connecting plate and an embedded anchor rod; the pre-embedded node box and the pre-embedded anchor rod are connected and pre-embedded in the concrete core tube, and the bolt-shear cone node is an existing module connection mode. The horizontal connecting plate is provided with a notch, a shear cone hole and a bolt hole. The embedded node box comprises a node box shell, clamping sliding blocks, locking sliding blocks and locking bolts, when the node is installed, the locking bolts are screwed into threaded holes of the locking sliding blocks, the locking sliding blocks are driven to move and extrude the clamping sliding blocks, the locking bolts and the clamping sliding blocks slide relatively so that the clamping sliding blocks on the two sides can be drawn close to each other, flanges are clamped into notches in the horizontal connecting plates, and the clamping sliding blocks are locked through the locking bolts. And clamping of the horizontal connecting plate is achieved. The connecting structure is convenient to mount and dismount, can freely and vertically slide, and can be matched with mounting errors.

Description

Technical Field

[0001] The invention relates to the technical field of modular steel structure buildings, and in particular to a vertically slidable module-to-concrete core tube connection structure. Background Art

[0002] The module-concrete core tube composite structure system is a structural system widely used in modular buildings, especially high-rise modular buildings. In the module-concrete core tube composite structure system, the stacked modules are designed to bear only their own gravity loads, and the lateral loads on the building need to be transferred to the concrete core tube through the connection between the module and the concrete core tube, which places high demands on the horizontal force transmission performance of the node. In addition, under the action of an earthquake, due to the deformation coordination between the stacked modules and the concrete core tube, the module-concrete core tube node will be subject to vertical shear, and it is necessary to consider releasing the vertical constraints of the node. The currently invented module-concrete core tube connection is very limited, most of which require on-site welding and cannot release the vertical constraints. Therefore, there is an urgent need for a module-concrete core tube connection structure that is easy to install and disassemble, can slide vertically freely, and can accommodate the accumulated installation errors during the construction process. Summary of the invention

[0003] In order to overcome the above-mentioned deficiencies in the prior art, the present invention provides a vertically slidable module to concrete core tube connection structure, which is easy to install and disassemble, can slide vertically freely, and can accommodate the accumulated installation errors during the construction process.

[0004] The vertically slidable module-to-concrete core tube connection structure described in the present invention includes a module-to-concrete core tube node and a bolt-shear cone node, and is characterized in that: the module-to-concrete core tube node includes an embedded node box, a horizontal connecting plate, and an embedded anchor rod; the back of the embedded node box is connected to the embedded anchor rod, and the two are embedded in the concrete core tube, and the panel on the side of the embedded node box with an opening is exposed on the surface of the concrete core tube.

[0005] Furthermore, the horizontal connecting plate is provided with a notch, a shear cone hole, and a bolt hole.

[0006] Furthermore, the bolt-shear cone node includes an upper corner fitting, a lower corner fitting, a module, a floor beam, a ceiling beam, a high-strength bolt, a bolt pad, a high-strength nut, and a shear cone; the upper corner fitting is connected to the floor beam in the horizontal direction and to the module column in the vertical direction; the lower corner fitting is connected to the ceiling beam in the horizontal direction and to the module column in the vertical direction; the horizontal connecting plate is clamped between the upper corner fitting and the lower corner fitting; the shear cone passes through the shear cone hole and is connected to the horizontal connecting plate; the high-strength screw passes through the bolt pad and the bolt hole and is connected to the high-strength nut, and the two are tightened.

[0007] Furthermore, the embedded node box includes a node box shell, a clamping slider, a locking slider, and a locking bolt; the clamping slider and the locking slider are located inside the node box shell, and the height of the clamping slider and the locking slider is equivalent to the height of the internal cavity of the node box shell; the clamping slider can only slide horizontally along the length direction inside the node box shell; the locking slider can only slide horizontally along the width direction inside the node box shell; the clamping slider and the locking slider each have an inclined surface that fits each other, and can be squeezed and slid against each other.

[0008] Furthermore, the clamping slider has a flange, which is comparable in size to the notch on the horizontal connecting plate and can be inserted into the notch; the locking slider has a threaded hole, and the internal thread can cooperate with the locking bolt.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] The present invention relies on the clamping slider to clamp the horizontal connecting plate horizontally, so that the horizontal connecting plate can slide freely vertically while being constrained in horizontal movement, achieving the effect of releasing the vertical constraint of the module to the concrete node. During the installation process, only the locking bolt needs to be screwed into the threaded hole on the locking slider, and the horizontal connecting plate can be clamped by relying on the relative sliding between the locking slider and the clamping slider, and the clamping position can be adjusted according to the screwing length of the locking bolt, thereby achieving the effect of matching the installation error. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0012] Figure 2 It is a front view of the present invention;

[0013] Figure 3 A top view of the horizontal connecting plate of the present invention;

[0014] Figure 4 It is a schematic diagram of the three-dimensional structure of the node from the module to the concrete core tube in the present invention;

[0015] Figure 5 This is the right view of the node from the module to the concrete core tube in the present invention (clamped state);

[0016] Figure 6 for Figure 5 HH sectional view (unlocked state);

[0017] Figure 7 for Figure 5 HH sectional view (clamped state);

[0018] Figure 8It is a schematic diagram of the three-dimensional structure of the clamping slider in the present invention;

[0019] Fig. 9 It is a schematic diagram of the three-dimensional structure of the locking slider in the present invention.

[0020] Reference numerals:

[0021] 1-embedded node box, 2-horizontal connecting plate, 3-embedded anchor rod, 4-bolt-shear cone node, 11-node box shell, 12-clamping slider, 13-locking slider, 14-locking bolt, 21-notch, 22-shear cone hole, 23-bolt hole, 41-upper angle fitting, 42-lower angle fitting, 43-module column, 44-floor beam, 45-ceiling beam, 46-high-strength bolt, 47-bolt pad, 48-high-strength nut, 49-shear cone, 121-flange, 131-threaded hole. DETAILED DESCRIPTION

[0022] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0023] like Figures 1 to 6 As shown, a vertically slidable module to concrete core tube connection structure includes a module to concrete core tube node and a bolt-shear cone node 4. The module to concrete core tube node includes an embedded node box 1, a horizontal connecting plate 2, and an embedded anchor rod 3. The back of the embedded node box 1 is connected to the embedded anchor rod 3, and the two are embedded in the concrete core tube. The panel on the side of the embedded node box 1 with an opening is exposed on the surface of the concrete core tube, and the embedded anchor rod 3 can prevent the embedded node box 1 from being pulled out of the concrete.

[0024] The horizontal connecting plate 2 is provided with a notch 21, a shear cone hole 22, and a bolt hole 23; the notch 21 is the boundary of the horizontal connecting plate 2. Figure 3 As shown, the left side of the notch 21 can be clamped by the clamping slider 12 after locking, and the right side of the notch 21 is provided with a shear cone hole 22 and a bolt hole 23, through which the shear cone 48 and the high-strength bolt 46 can pass respectively.

[0025] The bolt-shear cone node 4 includes an upper corner piece 41, a lower corner piece 42, a module column 43, a floor beam 44, a ceiling beam 45, a high-strength bolt 46, a bolt pad 47, a high-strength nut 48, and a shear cone 49; the upper corner piece 41 is connected to the floor beam 44 in the horizontal direction and to the module column 43 in the vertical direction; the lower corner piece 42 is connected to the ceiling beam 45 in the horizontal direction and to the module column 43 in the vertical direction; the horizontal connecting plate 2 is clamped between the upper corner piece 41 and the lower corner piece 42; the shear cone 49 passes through the shear cone hole 22 and is connected to the horizontal connecting plate 2; the high-strength bolt 46 passes through the bolt pad 47, the bolt hole 22 and is connected to the high-strength nut 48, and the two are tightened so that the horizontal connecting plate 2 is fixed to the bolt-shear cone node 4.

[0026] Among them, the embedded node box 1 includes a node box shell 11, a clamping slider 12, a locking slider 13, and a locking bolt 14; the clamping slider 12 and the locking slider 13 are located inside the node box shell 11, and the height of the clamping slider 12 and the locking slider 13 is equivalent to the height of the internal cavity of the node box shell 11, so that the clamping slider 12 and the locking slider 13 can only slide in the horizontal plane and cannot rotate; the clamping slider 12 can only slide horizontally along the length direction inside the node box shell 11; the locking slider 13 can only slide horizontally along the width direction inside the node box shell 11; the clamping slider 12 and the locking slider 13 each have an inclined surface that fits each other, can be squeezed and slid against each other, and lubricating liquid can be applied to the contact surface of the two as needed to make them easy to slide.

[0027] Among them, the clamping slider 12 has a flange 121, and the flange 121 is of the same size as the notch 21 on the horizontal connecting plate 2, and can be inserted into the notch 21, so as to clamp the horizontal connecting plate 2 and prevent it from being pulled out of the embedded node box 1; the locking slider 13 has a threaded hole 131, and the internal thread can cooperate with the locking bolt 14.

[0028] like Figure 6 As shown, the module to concrete core tube node 1 is in an unlocked state, at which time the locking bolt 14 is not screwed into the threaded hole 131 of the locking slider 13, and the locking slider 13 is at the farthest position from the panel on the side with the hole of the embedded node box 1, and the corresponding two locking sliders 12 are in a state of being farthest apart; when the two locking sliders 12 are farthest apart, the distance between their flanges 121 can allow the horizontal connecting plate 2 to be horizontally placed in the node box shell 11.

[0029] like Figure 7As shown, when the horizontal connecting plate 2 needs to be connected to the embedded node box 1, first, the side of the horizontal connecting plate with the notch 21 is horizontally placed in the node box housing 11, and then the two locking bolts 14 are gradually screwed into the threaded holes 131 of the locking sliders 13 on both sides, and the locking sliders 13 are driven to gradually move toward the panel on the side with the hole of the embedded node box 1; in this process, the inclined surface of the locking slider 13 squeezes the inclined surface of the clamping slider 12, and the two slide relative to each other so that the clamping slider 12 slides horizontally in the width direction of the node box housing 11, and the clamping sliders 12 on both sides move closer to each other until the flange 121 on the clamping slider 12 is stuck in the notch 21 on the horizontal connecting plate 2, and the locking bolts 14 are stopped from being screwed in, and the clamping of the horizontal connecting plate 2 is completed.

[0030] like Figure 2 As shown, when the horizontal connecting plate 2 and the embedded node box 1 are connected, that is, the module to the concrete core tube node is installed, the bolt-shear cone node 4 is installed; the shear cone 49 is placed in the shear cone hole 22 on the horizontal connecting plate 2, and then the upper corner piece 41 is dropped and clamped with the lower corner piece 42 to clamp the horizontal connecting plate 2, and finally the high-strength bolt 46 is passed through the bolt pad 47 and placed in the bolt hole 23, and the high-strength nut 48 is screwed on and a pre-tightening force is applied, thereby completing the installation of the bolt-shear cone node 4; after the module to the concrete core tube node and the bolt-shear cone node 4 are installed, the installation work of the present invention is completed; when vertical sliding occurs between the bolt-shear cone node 4 and the module to the concrete core tube node, the horizontal connecting plate can slide vertically freely in the cavity formed by the node box shell 11 and the clamping slider 12; when horizontal tension or shear occurs between the bolt-shear cone node 4 and the module to the concrete core tube node, the clamping constraint of the clamping slider 12 on the horizontal connecting plate 2 provides a reliable horizontal connection.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vertically slidable module-to-concrete core tube connection structure, comprising a module-to-concrete core tube node and a bolt-shear cone node (4), characterized in that: The module to concrete core tube node comprises a pre-embedded node box (1), a horizontal connection plate (2), and a pre-embedded anchor rod (3); the back of the pre-embedded node box (1) is connected to the pre-embedded anchor rod (3), and both are pre-embedded in the concrete core tube, and the panel on the side of the pre-embedded node box (1) with an opening is exposed on the surface of the concrete core tube.

2. The connection structure according to claim 1, characterized in that: The horizontal connecting plate (2) is provided with a notch (21), a shear cone hole (22), and a bolt hole (23).

3. The connection structure according to claim 1, characterized in that: The bolt-shear cone node (4) comprises an upper corner piece (41), a lower corner piece (42), a module column (43), a floor beam (44), a ceiling beam (45), a high-strength bolt (46), a bolt pad (47), a high-strength nut (48), and a shear cone (49); the upper corner piece (41) is connected to the floor beam (44) in the horizontal direction and to the module column (43) in the vertical direction; the lower corner piece (42) is connected to the ceiling beam (45) in the horizontal direction and to the module column (43) in the vertical direction; the horizontal connecting plate (2) is clamped between the upper corner piece (41) and the lower corner piece (42); and the shear cone (49) passes through the shear cone hole (22) and is connected to the horizontal connecting plate (2).

4. The connection structure according to claim 3, characterized in that: The high-strength bolt (46) passes through the bolt pad (47), the bolt hole (22) and is connected to the high-strength nut (48), and the two are tightened.

5. The connection structure according to claim 1, characterized in that: The embedded node box (1) comprises a node box housing (11), a clamping slider (12), a locking slider (13), and a locking bolt (14); the clamping slider (12) and the locking slider (13) are located inside the node box housing (11); the clamping slider (12) can only slide horizontally along the length direction inside the node box housing (11); and the locking slider (13) can only slide horizontally along the width direction inside the node box housing (11).

6. The connection structure according to claim 5, characterized in that: The heights of the clamping slider (12) and the locking slider (13) are equivalent to the height of the inner cavity of the node box housing (11).

7. The connection structure according to claim 5, characterized in that: The clamping slider (12) and the locking slider (13) each have an inclined surface that fits against each other and can be pressed and slid against each other.

8. The connection structure according to claim 5, characterized in that: The clamping slide block (12) is provided with a flange (121), and the flange (21) is of the same size as the notch (21) on the horizontal connecting plate (2) and can be inserted into the notch (121).

9. The connection structure according to claim 5, characterized in that: The locking slide block (13) is provided with a threaded hole (131), the internal thread of which can cooperate with the locking bolt (14).

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