A reinforcing device for a building structure

Abstract

This invention relates to a reinforcement device for a building structure, mounted on a structural column with a structural beam at its top. The reinforcement device includes: a fixing block that adheres to the surface of the structural column and is located below the structural beam; a locking screw mounted on the fixing block, with both ends of the locking screw extending to opposite sides of the fixing block to form threaded connection sections; a cover plate slidably mounted on the threaded connection sections, with a portion of the cover plate extending toward the side of the structural column to form a clamping section; a locking sleeve threaded to the threaded connection sections and fixed to the side of the cover plate away from the fixing block, wherein rotating the locking screw causes the locking sleeve to slide the cover plate toward the fixing block, and the clamping section clamps the structural column; and a support plate fixedly mounted on the top of the cover plate, with the top of the support plate adhering to the bottom of the structural beam.

Description

Technical Field

[0001] This invention relates to the field of building construction technology, and specifically to a reinforcement device for building structures. Background Technology

[0002] Existing structural beam-column joint reinforcement technologies are difficult to achieve rapid, non-destructive, and reliable joint strengthening in practical applications. External steel reinforcement requires drilling holes and installing reinforcing bars or welding connections on the component surface. Drilling damages the original concrete protective layer and reduces the effective cross-sectional area. The high temperature generated by welding leads to the deterioration of the heat-affected zone of the steel. Moreover, the welding quality is constrained by on-site construction conditions and is prone to defects such as incomplete welds and slag inclusions. Carbon fiber cloth reinforcement relies on the bonding performance of structural adhesives, which are greatly affected by ambient temperature and humidity. Under long-term loads, they are prone to creep peeling. Furthermore, carbon fiber cloth is a flexible material and its constraint stiffness for the core area of ​​the joint is insufficient. Enlarging the cross-section reinforcement method has a long construction cycle, involves a lot of wet work, occupies a large space, and seriously interferes with the normal use of the building. Summary of the Invention

[0003] The purpose of this invention is to overcome the defects of the prior art and provide a reinforcement device for building structures. In use, the fixing block is attached to the structural column, the structural column is clamped by the covering plate to fix the fixing block, and the structural beam is supported by the support plate, thereby reinforcing the beam-column joint.

[0004] The technical solution to achieve the above objective is a structural reinforcement device for a building structure, installed on a structural column, wherein a structural beam is provided at the top of the structural column, and the reinforcement device includes:

[0005] A fixing block that fits against the surface of the structural column and is located below the structural beam;

[0006] A locking screw is provided on the fixing block, and the two ends of the locking screw extend to opposite sides of the fixing block to form threaded connection sections;

[0007] A slidable cover plate is disposed on the threaded connection section, and a portion of the cover plate extends toward the side of the structural column to form a clamping section.

[0008] A locking sleeve is threaded to the threaded connection section and fixed to the side of the covering plate away from the fixing block. By rotating the locking screw, the locking sleeve causes the covering plate to slide towards the fixing block. The clamping section clamps the structural column.

[0009] A support plate is fixedly installed on the top of the covering plate, and the top of the support plate is attached to the bottom of the structural beam.

[0010] Furthermore, a horizontal plate is fixedly provided at the bottom of the fixing block, the extension direction of the horizontal plate is consistent with the extension direction of the locking screw, a sliding groove is formed at the top of the horizontal plate, and a sliding block is formed at the bottom of the covering plate corresponding to the sliding groove, the sliding block sliding in the sliding groove.

[0011] Furthermore, the fixing block has a connecting groove corresponding to the locking screw, and a bearing is provided in the connecting groove. The locking screw is rotatably mounted on the bearing.

[0012] Furthermore, the locking screw includes a transmission rod rotatably disposed within the bearing;

[0013] A first locking screw is fixedly installed on one side of the transmission rod, and a first thread is formed on the first locking screw;

[0014] A second locking screw is fixedly installed on the side of the transmission rod away from the first locking screw. A second thread is formed on the second locking screw. The thread directions of the first thread and the second thread are opposite. The covering plate is provided on the first locking screw and the second locking screw.

[0015] Furthermore, a bonding plate is formed at one end of the support plate near the fixing block, and the bonding plate is attached to the side of the structural beam.

[0016] Furthermore, the side of the bonding plate away from the fixing block has anti-slip texture.

[0017] Furthermore, the top of the support plate has several anti-slip protrusions.

[0018] Furthermore, a knob is formed at the end of the locking screw.

[0019] Furthermore, a clamping sleeve is threadedly connected to the threaded connection section. The clamping sleeve is fixed to the side of the covering plate near the fixing block. The clamping sleeve and the locking sleeve clamp the covering plate.

[0020] Furthermore, a diagonal brace is provided between the covering plate and the supporting plate.

[0021] Compared with the prior art, the present invention has the following advantages:

[0022] In use, the fixing block is attached to the structural column, the structural column is clamped by the covering plate to fix the fixing block, and the structural beam is supported by the support plate, thereby reinforcing the beam-column joint. Attached Figure Description

[0023] Figure 1 This is a diagram illustrating the effect of using a reinforcement device for a building structure.

[0024] Figure 2 This is a side view of a reinforcement device for a building structure.

[0025] Figure 3 This is an overall structural diagram of a reinforcement device for a building structure.

[0026] Figure 4 This is a diagram illustrating the effect of using a connecting groove in a building structure reinforcement device.

[0027] Figure 5 This is a rear view of a reinforcement device for a building structure.

[0028] Legend: 1. Structural beam; 2. Structural column; 31. Fixing block; 32. Bearing; 33. Transmission rod; 34. First locking screw; 35. Second locking screw; 36. Locking sleeve; 37. Covering plate; 38. Support plate; 39. Adhesive plate; 5. Horizontal plate; 6. Diagonal brace; 7. Baffle. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0030] See Figure 1 A structural reinforcement device is provided on a structural column 2, with a structural beam 1 at the top of the structural column 2. The reinforcement device includes: a fixing block 31 that is attached to the surface of the structural column 2 and located below the structural beam 1; a locking screw disposed on the fixing block 31, with both ends of the locking screw extending to opposite sides of the fixing block 31 to form threaded connection sections; a covering plate 37 slidably disposed on the threaded connection sections, with a portion of the covering plate 37 extending toward the side of the structural column 2 to form a clamping section; a locking sleeve 36 threadedly connected to the threaded connection sections and fixed to the side of the covering plate 37 away from the fixing block 31, wherein rotating the locking screw causes the locking sleeve 36 to drive the covering plate 37 to slide toward the fixing block 31, and the clamping section clamps the structural column 2; and a support plate 38 fixedly disposed on the top of the covering plate 37, with the top of the support plate 38 attached to the bottom of the structural beam 1.

[0031] In a preferred embodiment of this invention, the fixing block 31 is first pressed against the outer wall of the structural column 2, and the height of the fixing block 31 is adjusted so that the top surface of the support plate 38 abuts against the bottom surface of the structural beam 1, thus completing the pre-positioning. At this time, the clamping sections of the two side covering plates 37 are respectively located on the left and right sides of the structural column 2. The locking screw is rotated, and the two side locking sleeves 36 move simultaneously toward the fixing block 31. The locking sleeves 36 drive the covering plates 37, so that the clamping sections of the two side covering plates 37 gradually clamp the structural column 2. On opposite sides; as the locking screw is continuously tightened, the clamping section hugs the structural column 2, thereby completing the fixation of the fixing block 31, and the top of the support plate 38 is attached to the bottom of the structural beam 1, so that the support plate 38 transmits the vertical force of the structural beam 1 to the covering plate 37 and the structural column 2, realizing the load transfer between the beam and column joint; when it is necessary to remove the fixing block 31, by rotating the knob in the opposite direction, the locking screw sleeves 36 on both sides move in opposite directions, and the covering plate 37 opens accordingly, so that the entire reinforcement device can be removed from the beam and column joint.

[0032] Furthermore, a horizontal plate 5 is fixedly provided at the bottom of the fixing block 31. The extension direction of the horizontal plate 5 is consistent with the extension direction of the locking screw. A sliding groove is formed at the top of the horizontal plate 5, and a sliding block is formed at the bottom of the covering plate 37 corresponding to the sliding groove. The sliding block slides in the sliding groove. Preferably, the sliding groove is opened along the length extension direction of the horizontal plate 5. Through the cooperation of the horizontal plate 5, the sliding groove and the sliding block, the covering plate 37 plays a guiding and limiting role during the sliding process, preventing the covering plate 37 from rotating with the locking screw and ensuring that the covering plate 37 can only move linearly along the axial direction of the locking screw.

[0033] Furthermore, the fixing block 31 has a connecting groove corresponding to the locking screw, and a bearing 32 is provided in the connecting groove. The locking screw is rotatably mounted on the bearing 32. Preferably, by providing the bearing 32 in the connecting groove, the bearing 32 provides rotational support for the locking screw, reducing the frictional resistance during the rotation of the locking screw and facilitating manual driving of the locking screw.

[0034] Furthermore, the locking screw includes a transmission rod 33 rotatably disposed within the bearing 32; a first locking screw 34 fixedly installed on one side of the transmission rod 33, the first locking screw 34 having a first thread; and a second locking screw 35 fixedly installed on the side of the transmission rod 33 away from the first locking screw 34, the second locking screw 35 having a second thread, the first thread and the second thread having opposite thread directions, and the first locking screw 34 and the second locking screw 35 being provided with the covering plate 37. Preferably, the threads of the first locking screw 34 and the second locking screw 35 are opposite, so that when one end of the locking screw is rotated, the first locking screw 34 and the second locking screw 35 will rotate synchronously, and the two locking sleeves 36 threaded to the first thread and the second thread will move closer to each other or further away from each other, thereby enabling the covering plates 37 on both sides of the structural column 2 to move synchronously, thus simplifying the operation process.

[0035] Furthermore, a bonding plate 39 is formed at one end of the support plate 38 near the fixing block 31, and the bonding plate 39 is attached to the side of the structural beam 1. The bonding plate 39 can provide lateral restraint to the structural beam 1, thereby limiting the horizontal slippage of the structural beam 1 relative to the structural column 2 and improving the shear resistance of the beam-column joint.

[0036] Furthermore, the side of the bonding plate 39 away from the fixing block 31 has anti-slip texture. By providing anti-slip texture on the bonding plate 39, the coefficient of friction between the bonding plate 39 and the structural beam 1 is increased, thereby improving the shear resistance of the beam-column joint.

[0037] Furthermore, the top of the support plate 38 is provided with several anti-slip protrusions. These anti-slip protrusions increase the coefficient of friction between the top of the support plate 38 and the bottom surface of the structural beam 1, preventing the reinforcement device from sliding down and falling off due to its own weight and vibration.

[0038] Furthermore, a knob is formed at the end of the locking screw. This knob allows the construction personnel to easily rotate the locking screw. Preferably, baffles 7 are provided at both ends of the locking screw, which can restrict the locking sleeve 36 from rotating outward.

[0039] Furthermore, a clamping sleeve is threadedly connected to the threaded connection section. The clamping sleeve is fixed to the side of the covering plate 37 near the fixing block 31. The clamping sleeve and the locking sleeve 36 clamp the covering plate 37. The clamping sleeve and the locking sleeve 36 clamp the covering plate 37 from both sides. When the locking screw rotates, the clamping sleeve can directly drive the covering plate 37 to move axially in a linear motion. Preferably, the clamping sleeve and the locking sleeve 36 are fixed to the covering plate 37 by welding.

[0040] Furthermore, a diagonal brace 6 is provided between the covering plate 37 and the support plate 38. The diagonal brace 6, the covering plate 37, and the support plate 38 form a triangular support structure. The stability of the triangular structure improves the bending stiffness of the support plate 38 and prevents the support plate 38 from bending under vertical loads. Moreover, the load borne by the support plate 38 can be diagonally transferred to the covering plate 37 through the diagonal brace 6, dispersing the stress at the connection between the covering plate 37 and the support plate 38 and reducing the risk of cracking and failure at the connection.

[0041] The following describes the usage process of a building structure reinforcement device according to the present invention.

[0042] First, attach the fixing block 31 tightly to the outer wall of the structural column 2, and adjust the height of the fixing block 31 so that the top surface of the support plate 38 abuts against the bottom surface of the structural beam 1, completing the pre-positioning. At this time, the clamping sections of the two covering plates 37 are respectively located on the left and right sides of the structural column 2. Rotate the locking screw, and the two locking sleeves 36 will move towards the fixing block 31 at the same time. The locking sleeves 36 drive the covering plates 37, so that the clamping sections of the two covering plates 37 gradually clamp the opposite sides of the structural column 2. As the... The continuous tightening of the locking screw clamps the structural column 2, thereby fixing the fixing block 31. The top of the support plate 38 is then attached to the bottom of the structural beam 1, allowing the support plate 38 to transfer the vertical force of the structural beam 1 to the covering plate 37 and the structural column 2, thus achieving load transfer between the beam-column joint. When it is necessary to remove the fixing block 31, the locking screw sleeves 36 on both sides move in opposite directions by rotating the knob in the opposite direction, and the covering plate 37 opens accordingly, allowing the entire reinforcement device to be removed from the beam-column joint.

[0043] The present invention has been described in detail above with reference to the accompanying drawings and embodiments. Those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details in the embodiments should not be construed as limiting the present invention, and the scope of protection of the present invention shall be defined by the appended claims.

Claims

1. A structural reinforcement device for a building structure, installed on a structural column, wherein a structural beam is provided at the top of the structural column, characterized in that, The reinforcement device includes: A fixing block that fits against the surface of the structural column and is located below the structural beam; A locking screw is provided on the fixing block, and the two ends of the locking screw extend to opposite sides of the fixing block to form threaded connection sections; A slidable cover plate is disposed on the threaded connection section, and a portion of the cover plate extends toward the side of the structural column to form a clamping section. A locking sleeve is threaded to the threaded connection section and fixed to the side of the covering plate away from the fixing block. By rotating the locking screw, the locking sleeve causes the covering plate to slide towards the fixing block. The clamping section clamps the structural column. A support plate is fixedly installed on the top of the covering plate, and the top of the support plate is attached to the bottom of the structural beam.

2. The reinforcement device for a building structure according to claim 1, characterized in that: A horizontal plate is fixedly provided at the bottom of the fixing block. The extension direction of the horizontal plate is consistent with the extension direction of the locking screw. A sliding groove is formed at the top of the horizontal plate. A sliding block is formed at the bottom of the covering plate corresponding to the sliding groove. The sliding block slides in the sliding groove.

3. The reinforcement device for a building structure according to claim 1, characterized in that: The fixing block has a connecting groove corresponding to the locking screw, and a bearing is provided in the connecting groove. The locking screw is rotatably mounted on the bearing.

4. The reinforcement device for a building structure according to claim 3, characterized in that: The locking screw includes a transmission rod rotatably disposed within the bearing; A first locking screw is fixedly installed on one side of the transmission rod, and a first thread is formed on the first locking screw; A second locking screw is fixedly installed on the side of the transmission rod away from the first locking screw. A second thread is formed on the second locking screw. The thread directions of the first thread and the second thread are opposite. The covering plate is provided on the first locking screw and the second locking screw.

5. The reinforcement device for a building structure according to claim 1, characterized in that: A bonding plate is formed at one end of the support plate near the fixing block, and the bonding plate is attached to the side of the structural beam.

6. The reinforcement device for a building structure according to claim 5, characterized in that: The side of the bonding plate away from the fixing block has anti-slip texture.

7. A building structure reinforcement device according to claim 1, characterized in that: The top of the support plate has several anti-slip protrusions.

8. The reinforcement device for a building structure according to claim 1, characterized in that: A knob is formed at the end of the locking screw.

9. A reinforcement device for a building structure according to claim 1, characterized in that: A clamping sleeve is threadedly connected to the threaded connection section. The clamping sleeve is fixed to the side of the covering plate near the fixing block. The clamping sleeve and the locking sleeve clamp the covering plate.

10. A reinforcement device for a building structure according to claim 1, characterized in that: A diagonal brace is provided between the covering plate and the supporting plate.

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