Fabricated building steel structure

By using positioning devices in prefabricated buildings, the problem of difficult alignment of short steel bars in shear walls was solved, achieving efficient and low-cost connection results.

CN223562321UActive Publication Date: 2025-11-18QUFU WANQIANG STEEL STRUCTURE ENG CO LTD
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Patent Information

Application Number
CN202423161260.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-11-18
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

In prefabricated buildings, it is difficult to align the short steel bars below the shear wall with the holes of the grouting sleeve of the upper prefabricated shear wall, resulting in high installation costs and low efficiency.

Method used

A positioning device, including components such as grooved rods, sliding rods, L-shaped plates, and threaded rods, is used to achieve precise positioning and connection of the short steel bars at the top of the precast wall and the shear wall by snapping and adjusting the position of the positioning plate.

Benefits of technology

It simplifies the connection process between precast walls and shear walls, saves manpower, improves construction efficiency, and reduces installation difficulty and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an assembly type building steel structure, and relates to the technical field of assembly type building structures, the assembly type building steel structure comprises a steel frame, the inner wall of a groove rod is slidably connected with a sliding rod, one end of the sliding rod and one end of the groove rod are respectively and fixedly connected with an L-shaped plate, the top end of the groove rod is fixedly connected with an L-shaped rod, and the L-shaped rod is fixedly connected with the sliding rod. The inner wall of the L-shaped rod is slidably connected with a rectangular rod, one end of the inner wall of the rectangular rod is in threaded connection with a threaded rod, and one end of the threaded rod is rotatably connected with a positioning plate. L-shaped plates at one ends of a groove rod and a sliding rod are clamped to the edges of the opposite angles of the steel frame correspondingly, then the horizontal position of a positioning plate is adjusted by pushing a rectangular rod, and the distance between the positioning plate and the prefabricated wall is adjusted by rotating a threaded rod, so that the prefabricated wall is attached to one side of the positioning plate when moving; and the angle between the prefabricated wall and the shear wall is limited, so that connection is facilitated, manpower is saved, and efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of assembly building structure, especially relates to a prefabricated building steel structure. BACKGROUND

[0002] The prefabricated building refers to the large number of on-site operation work in the traditional construction mode being removed to the factory, and the building component and accessory are processed and made in the factory, are transported to the building construction site, and are assembled and installed on the site to form the building through reliable connecting mode, since the prefabricated steel structure building adopts dry process when prefabricating in the factory, does not need to use a large amount of cement mortar and other wet materials, and does not need to carry out wet construction on the construction site, thereby greatly reducing the consumption of water resources.

[0003] When installing the prefabricated building, since the short steel bars below the shear wall and the holes of the grouting sleeve of the upper prefabricated shear wall are not easy to align when connecting, the shear wall has the problems of high cost, difficult installation and reduced construction efficiency when installing. UTILITY MODEL CONTENTS

[0004] The utility model discloses a prefabricated building steel structure, which solves the problems of high cost, difficult installation and reduced construction efficiency when installing the prefabricated building due to the difficulty in aligning the short steel bars below the shear wall and the holes of the grouting sleeve of the upper prefabricated shear wall when connecting.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a prefabricated building steel structure, comprising a steel frame, the outer surface of the steel frame is provided with a shear wall, the top end of the shear wall is provided with a plurality of short steel bars, the outer surface of the steel frame is provided with a prefabricated wall, the outer surface of the steel frame is provided with a positioning device, the positioning device comprises a groove rod, the inner wall of the groove rod is slidably connected with a sliding rod, one end of the sliding rod and the groove rod is fixedly connected with an L-shaped plate respectively, the top end of the groove rod is fixedly connected with an L-shaped rod, the inner wall of the L-shaped rod is slidably connected with a rectangular rod, the inner wall of the rectangular rod is screw-connected with a threaded rod at one end, one end of the threaded rod is rotatably connected with a positioning plate, one side of the positioning plate is fixedly connected with two positioning rods, one side of the two positioning rods is slidably arranged on the outer surface of the rectangular rod on the upper side and the lower side respectively.

[0006] The effect achieved by the above-mentioned components is that when connecting the prefabricated wall and the short steel bar at the top of the shear wall, the two L-shaped plates at one end of the slot rod and the sliding rod can be clamped at the opposite corners of the steel frame, then the threaded rod is rotated to drive the two positioning rods on the outer surface of the positioning plate to slide on the outer surface of the rectangular rod, the position of the positioning plate is adjusted to make one side of the positioning plate fit one side of the prefabricated wall, and one side of the outer surface of the prefabricated wall fits one side of the positioning plate and is inserted downward outside the short steel bar for connection.

[0007] Preferably, one side of the two positioning rods is fixedly connected with a positioning block, and the outer surface of the threaded rod rotates on the inner wall of the positioning block.

[0008] The effect achieved by the above-mentioned components is that when the positioning plate is moved by rotating the threaded rod, the end of the threaded rod away from the positioning plate will rotate on the inner wall of the positioning block, and the angles of the two ends of the threaded rod can be fixed by the positioning block to avoid the angle from being skewed when the threaded rod rotates.

[0009] Preferably, a rectangular groove is formed in one side of the outer surface of the slot rod, a screw rod is fixedly connected to one side of the sliding rod, the outer surface of the screw rod slides on the inner wall of the rectangular groove, a U-shaped block is slidably connected to the outer surface of the screw rod, and a threaded ring is threadedly connected to the outer surface of the screw rod.

[0010] The effect achieved by the above-mentioned components is that pushing the sliding rod can control the sliding rod to slide on the inner wall of the slot rod to adjust the distance between the two L-shaped plates on the outer surfaces of the sliding rod and the slot rod, so as to be clamped on the outer surface of the steel frame with different widths, rotating the threaded ring makes the threaded ring move on the outer surface of the screw rod to push the U-shaped block to press one side of the U-shaped block against the outer surface of the slot rod, so as to fix the position between the sliding rod and the slot rod.

[0011] Preferably, a plurality of rectangular strips are arranged on one side of the outer surface of the U-shaped block, and the rectangular strips are rubber strips made of rubber material.

[0012] The effect achieved by the above-mentioned components is that when one side of the U-shaped block provided with the rectangular strips made of rubber material is pressed against the outer surface of the slot rod, it is more tightly and not easy to slide, and the position between the sliding rod and the slot rod is fixed more stably.

[0013] Preferably, a plurality of convex blocks are fixedly connected to the outer surface of the threaded ring, and the convex blocks are circumferentially distributed on the outer surface of the threaded ring.

[0014] The effect achieved by the above-mentioned components is that rotating the threaded ring by holding the convex blocks on the outer surface of the threaded ring can more conveniently control the rotation of the threaded ring and is not easy to slip.

[0015] Preferably, a cylindrical block is fixedly connected to the end of the screw rod away from the sliding rod, and the diameter of the cylindrical block is larger than the diameter of the screw rod.

[0016] The effect achieved by the above components is that the cylindrical block can limit the moving range of the thread ring on the outer surface of the screw rod, so as to avoid the thread ring from falling off and being lost as much as possible when the thread ring moves on the surface of the screw rod.

[0017] Preferably, the outer surface of the L-shaped plate is provided with an auxiliary device, the auxiliary device comprises a cross rod, one side of the cross rod is fixedly connected with two sliding blocks, one side of the L-shaped plate is provided with two sliding grooves, and the outer surfaces of the two sliding blocks are slidably connected with the inner walls of the sliding grooves.

[0018] The effect achieved by the above components is that pulling the sliding blocks at the cross rod can control the sliding of the sliding blocks on the inner walls of the sliding grooves and pull the L-shaped plate, so as to facilitate the removal of the L-shaped plate from the surface of the steel frame.

[0019] Preferably, one side of the cross rod is fixedly connected with a magnetic block, and the L-shaped plate is made of steel.

[0020] The effect achieved by the above components is that when the sliding block is received in the sliding groove, one side of the magnetic block is in contact with one side of the outer surface of the L-shaped plate and is magnetically attracted, so as to fix the position of the sliding block on the L-shaped plate.

[0021] Compared with the prior art, the advantages and positive effects of the utility model lie in that:

[0022] In the utility model, when the prefabricated wall is connected with the short steel bars at the top of the shear wall, the L-shaped plates at one end of the groove rod and the sliding rod are respectively clamped at the opposite corner edges of the steel frame, the horizontal position of the positioning plate is adjusted by pushing the rectangular rod, the distance between the positioning plate and the prefabricated wall is adjusted by rotating the threaded rod, the prefabricated wall is attached to one side of the positioning plate when the prefabricated wall moves, the angle between the prefabricated wall and the shear wall is limited, the connection is facilitated, manpower is saved, and efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is a three-dimensional structure schematic view of the utility model;

[0024] Fig. 2 It is a three-dimensional structure schematic view of the groove rod of the utility model;

[0025] Fig. 3 It is a three-dimensional structure schematic view of the sliding rod of the utility model;

[0026] Fig. 4 It is a three-dimensional structure schematic view of the L-shaped plate of the utility model.

[0027] Legend: 1. Steel frame; 2. Positioning device; 3. Auxiliary device; 4. Shear wall; 5. Short steel bar; 6. Precast wall; 21. L-shaped plate; 22. Groove rod; 23. Sliding rod; 24. L-shaped rod; 25. Rectangular rod; 26. Threaded rod; 27. Positioning plate; 28. Positioning rod; 29. ​​Positioning block; 210. Rectangular groove; 211. Screw; 212. Threaded ring; 213. U-shaped block; 214. Protrusion; 215. Cylindrical block; 216. Rectangular strip; 31. Slide groove; 32. Sliding block; 33. Crossbar; 34. Magnetic block. Detailed Implementation

[0028] Example 1, as Figs. 1-4 As shown, a prefabricated steel structure includes a steel frame 1. A shear wall 4 is provided on the outer surface of the steel frame 1, and several short reinforcing bars 5 are provided at the top of the shear wall 4. A prefabricated wall 6 is provided on the outer surface of the steel frame 1. A positioning device 2 is provided on the outer surface of the steel frame 1. The positioning device 2 includes a grooved rod 22, a sliding rod 23 slidably connected to the inner wall of the grooved rod 22, an L-shaped plate 21 fixedly connected to one end of the sliding rod 23 and the grooved rod 22, an L-shaped rod 24 fixedly connected to the top of the grooved rod 22, a rectangular rod 25 slidably connected to the inner wall of the L-shaped rod 24, a threaded rod 26 threadedly connected to one end of the inner wall of the rectangular rod 25, and a positioning plate 27 rotatably connected to one end of the threaded rod 26. Two positioning rods 28 are fixedly connected to one side of the positioning plate 27, and one side of each positioning rod 28 slides on the upper and lower sides of the outer surface of the rectangular rod 25. By setting the positioning plate 27, when connecting the prefabricated wall 6 to the short reinforcing bars 5 at the top of the shear wall 4, the grooved rod 22 and the sliding rod 23 can be positioned. Two L-shaped plates 21 at one end of the 3 are respectively locked at the diagonal edges of the steel frame 1. Then, the threaded rod 26 is rotated to move the threaded rod 26 on the inner wall of the rectangular rod 25, causing the two positioning rods 28 on the outer surface of the positioning plate 27 to slide on the outer surface of the rectangular rod 25. The position of the positioning plate 27 is adjusted so that one side of the positioning plate 27 is attached to one side of the precast wall 6, so that one side of the outer surface of the precast wall 6 is attached to one side of the positioning plate 27 and inserted downwards into the outside of the short steel bar 5 for connection. By setting the positioning device 2, when connecting the precast wall 6 to the short steel bar 5 at the top of the shear wall 4, the L-shaped plates 21 at one end of the groove rod 22 and the sliding rod 23 are respectively locked at the diagonal edges of the steel frame 1. Then, the horizontal position of the positioning plate 27 is adjusted by pushing the rectangular rod and the distance between the positioning plate 27 and the precast wall 6 is adjusted by rotating the threaded rod 26 so that the precast wall 6 is attached to one side of the positioning plate 27 when it moves. The angle between the precast wall 6 and the shear wall 4 is limited to facilitate connection, save manpower and improve efficiency.

[0029] Reference Figs. 1-4As shown, in the embodiment: one side of the two positioning rods 28 is fixedly connected with a positioning block 29, the outer surface of the threaded rod 26 rotates on the inner wall of the positioning block 29, rotating the threaded rod 26 controls the movement of the positioning plate 27, and the end of the threaded rod 26 away from the positioning plate 27 rotates on the inner wall of the positioning block 29. The angle of the two ends of the threaded rod 26 can be fixed by the positioning block 29 to avoid the angle from being skewed when the threaded rod 26 rotates.

[0030] Referring to Figs. 1-4 As shown, in the embodiment: the outer surface of the groove rod 22 is provided with a rectangular groove 210 on one side, the sliding rod 23 is fixedly connected with a screw rod 211 on one side, the outer surface of the screw rod 211 slides on the inner wall of the rectangular groove 210, the outer surface of the screw rod 211 is slidingly connected with a U-shaped block 213, the outer surface of the screw rod 211 is threadedly connected with a threaded ring 212, pushing the sliding rod 23 can control the sliding rod 23 to slide on the inner wall of the groove rod 22 to adjust the distance between the two L-shaped plates 21 on the outer surface of the sliding rod 23 and the groove rod 22, so as to be clamped on the outer surface of the steel frame 1 of different widths, rotating the threaded ring 212 makes the threaded ring 212 move on the outer surface of the screw rod 211, pushing the U-shaped block 213 to press one side of the U-shaped block 213 against the outer surface of the groove rod 22 can fix the position between the sliding rod 23 and the groove rod 22, the outer surface of the U-shaped block 213 is provided with a plurality of rectangular strips 216, the rectangular strips 216 are rubber strips made of rubber material, when the side of the U-shaped block 213 provided with the rubber material rectangular strips 216 is pressed against the outer surface of the groove rod 22, it is more tightly and not easy to slide, the position between the sliding rod 23 and the groove rod 22 is fixed more stably, the outer surface of the threaded ring 212 is fixedly connected with a plurality of protrusions 214, the protrusions 214 are circumferentially distributed on the outer surface of the threaded ring 212, holding the protrusions 214 on the outer surface of the threaded ring 212 and rotating the threaded ring 212 can more conveniently control the rotation of the threaded ring 212 and not easy to slip, the end of the screw rod 211 away from the sliding rod 23 is fixedly connected with a cylindrical block 215, the diameter of the cylindrical block 215 is larger than the diameter of the screw rod 211, by setting the cylindrical block 215, the movement range of the threaded ring 212 on the outer surface of the screw rod 211 can be limited to avoid the threaded ring 212 from falling off and being lost when moving on the surface of the screw rod 211.

[0031] Referring to Figs. 1-4 As shown, in the embodiment: the outer surface of the L-shaped plate 21 is provided with an auxiliary device 3, the auxiliary device 3 comprises a cross rod 33, the cross rod 33 is fixedly connected with two sliding blocks 32 on one side, the L-shaped plate 21 is provided with two sliding grooves 31 on one side, the outer surface of the two sliding blocks 32 is slidingly connected with the inner wall of the sliding groove 31, holding the cross rod 33 and pulling the sliding block 32 can control the sliding block 32 to slide on the inner wall of the sliding groove 31 and pull the L-shaped plate 21, which is convenient for taking down the L-shaped plate 21 from the surface of the steel frame 1 and taking it.

[0032] Referring toFigs. 1-4 As shown in the embodiment: One side of the cross rod 33 is fixedly connected with the magnetic block 34, the L-shaped plate 21 is made of steel, when the sliding block 32 is received in the inside of the sliding groove 31, one side of the magnetic block 34 will contact and magnetically attract one side of the outer surface of the L-shaped plate 21 to fix the position of the sliding block 32 on the L-shaped plate 21.

[0033] Working principle: When the shear wall 4 is connected with the steel frame 1 and the connection is completed, the prefabricated wall 6 above the shear wall 4 needs to be connected with the short steel bar 5 at the top end of the shear wall 4, the L-shaped plate 21 at one end of the slot rod 22 can be clamped at a corner edge of the steel frame 1, then the sliding rod 23 is pulled to control the sliding of the sliding rod 23 in the inner wall of the slot rod 22, the position of the L-shaped plate 21 at one end of the sliding rod 23 is adjusted according to the width of the steel frame 1, and the L-shaped plate 21 at one end of the sliding rod 23 is clamped at the opposite corner edge of the steel frame 1, then the convex block 214 on the outer surface of the threaded ring 212 is held to rotate the threaded ring 212 to control the movement of the threaded ring 212 on the outer surface of the screw rod 211, push the U-shaped block 213 to move and press the side of the U-shaped block 213 provided with the rubber rectangular strip 216 against the outer surface of the slot rod 22 to fix the positions of the sliding rod 23 and the slot rod 22, then the rectangular rod 25 can be pushed to slide in the inner wall of the L-shaped rod 24 to adjust the horizontal position of the positioning plate 27, the threaded rod 26 is rotated to move the threaded rod 26 in the inner wall of the rectangular rod 25 to drive the two positioning rods 28 on the outer surface of the positioning plate 27 to slide in the outer surface of the rectangular rod 25, adjust the position of the positioning plate 27, and make one side of the positioning plate 27 fit on one side of the prefabricated wall 6, so that one side of the outer surface of the prefabricated wall 6 fits on one side of the positioning plate 27 and is inserted downward outside the short steel bar 5 for connection, after the connection is completed, the cross rod 33 can be pulled at the outer surface of the two L-shaped plates 21 to drive the sliding block 32 to slide in the inner wall of the sliding groove 31 and pull the two L-shaped plates 21 to disassemble the positioning device 2.

[0034] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and alteration of the above embodiments without departing from the technical content of the present application, according to the technical essence of the present application, still belong to the protection scope of the present application. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A prefabricated building steel structure comprising a steel frame (1), characterized in that: The outer surface of the steel frame (1) is provided with a shear wall (4), the top end of the shear wall (4) is provided with a plurality of short steel bars (5), the outer surface of the steel frame (1) is provided with a prefabricated wall (6), the outer surface of the steel frame (1) is provided with a positioning device (2), the positioning device (2) comprises a groove rod (22), the inner wall of the groove rod (22) is slidably connected with a sliding rod (23), one end of the sliding rod (23) and the groove rod (22) is fixedly connected with an L-shaped plate (21) respectively, the top end of the groove rod (22) is fixedly connected with an L-shaped rod (24), the inner wall of the L-shaped rod (24) is slidably connected with a rectangular rod (25), the inner wall of one end of the rectangular rod (25) is threadedly connected with a threaded rod (26), one end of the threaded rod (26) is rotatably connected with a positioning plate (27), one side of the positioning plate (27) is fixedly connected with two positioning rods (28), one side of the two positioning rods (28) is slidably arranged on the outer surface of the rectangular rod (25) on the upper and lower sides respectively.

2. The prefabricated building steel structure according to claim 1, characterized in that: One side of the two positioning rods (28) is fixedly connected with a positioning block (29), and the outer surface of the threaded rod (26) rotates in the inner wall of the positioning block (29).

3. The prefabricated building steel structure according to claim 2, characterized in that: The outer surface of the groove rod (22) is provided with a rectangular groove (210) on one side, one side of the sliding rod (23) is fixedly connected with a screw rod (211), the outer surface of the screw rod (211) slides in the inner wall of the rectangular groove (210), the outer surface of the screw rod (211) is slidably connected with a U-shaped block (213), and the outer surface of the screw rod (211) is threadedly connected with a threaded ring (212).

4. The prefabricated building steel structure according to claim 3, characterized in that: The outer surface of the U-shaped block (213) is provided with a plurality of rectangular strips (216) on one side, and the rectangular strips (216) are rubber strips made of rubber material.

5. The prefabricated building steel structure according to claim 4, characterized in that: The outer surface of the threaded ring (212) is fixedly connected with a plurality of convex blocks (214), and the convex blocks (214) are circumferentially distributed on the outer surface of the threaded ring (212).

6. The prefabricated building steel structure according to claim 5, characterized in that: One end of the screw rod (211) away from the sliding rod (23) is fixedly connected with a cylindrical block (215), and the diameter of the cylindrical block (215) is larger than that of the screw rod (211).

7. The prefabricated building steel structure according to claim 6, characterized in that: The outer surface of the L-shaped plate (21) is provided with an auxiliary device (3), the auxiliary device (3) comprises a cross rod (33), one side of the cross rod (33) is fixedly connected with two sliding blocks (32), one side of the L-shaped plate (21) is provided with two sliding grooves (31), and the outer surfaces of the two sliding blocks (32) are slidably connected with the inner walls of the sliding grooves (31).

8. The prefabricated building steel structure according to claim 7, characterized in that: One side of the cross rod (33) is fixedly connected with a magnetic block (34), and the L-shaped plate (21) is made of steel.