Bolt connecting structure for steel structure engineering

Abstract

The utility model discloses a bolt connecting structure for steel structure engineering, which comprises a first steel structure and a second steel structure, bolt main bodies are respectively arranged on two sides of the first steel structure and the second steel structure, nuts are screwed at the bottoms of the bolt main bodies, anti-rotation parts are arranged on the bolt main bodies, connecting parts are arranged on the nuts, and the connecting parts are connected with the first steel structure and the second steel structure. The first steel structure, the second steel structure, the bolt main body, the nut and the anti-rotation component are arranged in the bolt main body, and the anti-rotation component comprises a cavity formed in the upper portion of the interior of the bolt main body and through openings formed in the two sides of the interior of the cavity respectively. The problems that in the prior art, although a steel structure can be built, connected and fixed, after fixing, if large equipment in a steel structure plant works for a long time, vibration can be transmitted to the steel structure, the steel structure vibrates, then bolts are prone to loosening, the connection stability of the steel structure is affected, and therefore practicability becomes poor are solved.

Description

Technical Field

[0001] This utility model relates to the field of bolt connection structure technology, specifically to bolt connection structures for steel structure engineering. Background Technology

[0002] Steel structures are structures made of steel materials and are one of the main types of building structures. The structure mainly consists of steel beams, steel columns, steel trusses, and other components made of shaped steel and steel plates. Rust removal and prevention processes such as silanization, pure manganese phosphating, water washing and drying, and galvanizing are employed. To ensure the connection quality of steel structure components and to promote green and civilized construction on site, bolted connections are increasingly being used for steel structure component connections.

[0003] Existing patent CN222731893U discloses a bolt connection structure for steel structure engineering, including a head, a rod, and a nut. The rod and head are fixedly connected, and the nut is spirally connected to the rod. Both the head and rod surfaces have through holes, which are connected to each other. The inner wall of each through hole has an internal thread, and a threaded post is spirally connected inside the through hole. One end of the threaded post has a fixing post, and a circular slide rail is provided on the circumferential side of the fixing post. An arc-shaped slider is slidably connected inside the circular slide rail. This utility model, through the coordinated use of through holes, internal threads, threaded posts, fixing posts, circular slide rails, and arc-shaped sliders, facilitates improved stability between the nut and rod after the bolts are fixed to the steel structure. By incorporating a limiting plate and a rotating post, it allows workers to drive the limiting plate to rotate via the rotating post when connecting the nut and rod, thereby quickly achieving the connection between the nut and rod.

[0004] Based on the search of the aforementioned patents and in conjunction with the bolt connection structures in the existing technology, it was found that although the aforementioned bolt connection structures can be used to build and fix steel structures, after fixing, if large equipment inside the steel structure factory works for a long time, it will transmit vibration to the steel structure, causing it to vibrate. This can easily lead to the bolts loosening, which in turn affects the stability of the steel structure connection and thus reduces its practicality. Utility Model Content

[0005] The purpose of this utility model is to provide a bolted connection structure for steel structure engineering, so as to solve the problem mentioned in the background art that although the existing bolted connection structure can be used to build and fix the steel structure, after fixing, if the large equipment inside the steel structure workshop works for a long time, it will transmit vibration to the steel structure, causing it to vibrate, which will easily lead to the bolts loosening, thus affecting the stability of the steel structure connection and resulting in poor practicality.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a bolted connection structure for steel structure engineering, comprising a first steel structure and a second steel structure, wherein bolt bodies are respectively provided on both sides of the first steel structure and the second steel structure, a nut is screwed to the bottom of the bolt body, an anti-rotation component is provided on the bolt body, and a connecting component is provided on the nut;

[0007] The anti-rotation component includes a cavity located in the upper part of the bolt body, openings on both sides of the cavity, a movable plate located in the cavity, a pull rod fixedly connected to the top of the movable plate, a pull plate fixedly connected to the top of the pull rod, a spring sleeved on the outside of the pull rod, a horizontal plate fixedly connected to both sides of the movable plate, an insert rod fixedly connected to the bottom of the horizontal plate, and two slots on both sides of the first steel structure. The insert rod is inserted into the slot, the horizontal plate is slidably connected to the opening, and the pull rod passes through the cavity and is slidably connected to the bolt body.

[0008] Preferably, the connecting component includes a mounting cavity inside the nut, a movable frame connected to the mounting cavity, a connecting plate fixedly connected to one side of the movable frame, a connecting rod fixedly connected to one side of the connecting plate, recesses on both sides of the bolt body, a connecting groove on one side of the recesses, and a screw connected to the movable frame. The screw is screwed to the movable frame, the screw is rotatably connected to the nut, the connecting rod is inserted into the connecting groove, and the connecting rod passes through the mounting cavity and is slidably connected to the nut.

[0009] Preferably, guide rods are fixedly connected to both sides of the cavity, and through openings are provided on both sides of the top of the movable plate, with the guide rods slidably connected to the through openings.

[0010] Preferably, the through opening has a plurality of rolling grooves arranged in a circular pattern, and the rolling grooves contain rolling balls that contact the guide rod.

[0011] Preferably, anti-rotation grooves are respectively provided on both sides of the mounting cavity, and anti-rotation blocks are slidably connected in the anti-rotation grooves, and the anti-rotation blocks are fixedly connected to the connecting plate.

[0012] Preferably, a knob is fixedly connected to one end of the screw, and an anti-detachment plate is fixedly connected to the other end of the screw.

[0013] Preferably, the anti-rotation groove is T-shaped and the anti-rotation block is I-shaped.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. By setting up a first steel structure, a second steel structure, a bolt body, a nut, and an anti-rotation component, pulling the pull plate can move the movable plate, causing the spring to deform under force. At the same time, the movable plate can also drive the horizontal plate and the insertion rod to move. After the nut is connected to the bolt body, the pull plate is released, and the spring can push the insertion rod to insert into the slot, which can connect the bolt body to the first steel structure and prevent the bolt body from rotating. This can improve the connection stability of the first steel structure and the second steel structure, and thus greatly improve the practicality.

[0016] 2. With the addition of connecting components, after the nut and bolt body are connected, the knob can drive the screw to rotate, which in turn can drive the moving frame and connecting rod to move, allowing the connecting rod to be inserted into the connecting groove. This allows the nut and bolt body to be connected and fixed. Since the bolt body does not rotate, the nut will not rotate either, which further improves the connection stability and prevents loosening due to vibration. Attached Figure Description

[0017] Figure 1 A three-dimensional structural schematic diagram provided for this utility model;

[0018] Figure 2 The left view provided for this utility model;

[0019] Figure 3 Provided by this utility model Figure 2 A three-dimensional cross-sectional view at point AA;

[0020] Figure 4 Provided by this utility model Figure 3 Enlarged view of point B in the middle;

[0021] Figure 5 Provided by this utility model Figure 3 Enlarged view of point C in the middle.

[0022] In the diagram: 1. First steel structure; 11. Second steel structure; 12. Bolt body; 13. Nut; 21. Cavity; 22. Through-hole; 23. Moving plate; 24. Tie rod; 25. Pull plate; 26. Spring; 27. Horizontal plate; 28. Insert rod; 29. ​​Slot; 31. Mounting cavity; 32. Moving frame; 33. Connecting plate; 34. Connecting rod; 35. Notch; 36. Connecting groove; 37. Screw; 41. Guide rod; 42. Through-hole; 51. Rolling groove; 52. Ball bearing; 61. Anti-rotation groove; 62. Anti-rotation block; 71. Knob; 72. Anti-detachment plate. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1 , Figure 2 , Figure 3 as well as Figure 4 This utility model provides a technical solution: a bolted connection structure for steel structure engineering, including a first steel structure 1 and a second steel structure 11. Bolt bodies 12 are respectively provided on both sides of the first steel structure 1 and the second steel structure 11. Nuts 13 are screwed to the bottom of the bolt bodies 12. Anti-rotation components are provided on the bolt bodies 12, and connecting components are provided on the nuts 13. The anti-rotation components include a cavity 21 opened in the upper part of the bolt body 12, openings 22 respectively opened on both sides of the cavity 21, a movable plate 23 disposed within the cavity 21, and a connecting component. The moving plate 23 is fixedly connected to the top of a pull rod 24, a pull plate 25 fixedly connected to the top of the pull rod 24, a spring 26 sleeved on the outside of the pull rod 24, a horizontal plate 27 fixedly connected to both sides of the moving plate 23, an insert rod 28 fixedly connected to the bottom of the horizontal plate 27, and two slots 29 respectively opened on both sides of the first steel structure 1. The insert rod 28 is inserted into the slot 29, the horizontal plate 27 is slidably connected to the through opening 22, the pull rod 24 passes through the cavity 21 and is slidably connected to the bolt body 12, and the two ends of the spring 26 are respectively connected to the moving plate 23. The top and the top of the cavity 21 are fixedly connected. The pull plate 25 can drive the moving plate 23 to move. The moving plate 23 can drive the spring 26 to deform, and at the same time drive the horizontal plate 27 and the insertion rod 28 to move vertically. After the nut 13 is tightened with the bolt body 12, the pull plate 25 is released, the spring 26 returns to its original position, and drives the insertion rod 28 to return to its original position, so that it is locked into the slot 29. This can prevent the bolt body 12 from rotating, and thus prevent loosening. Guide rods 41 are fixedly connected to both sides of the cavity 21. The top of the moving plate 23 Through openings 42 are provided on both sides. The guide rod 41 is slidably connected to the through openings 42. The guide rod 41 can guide the moving plate 23, thereby improving the stability of the vertical movement of the insertion rod 28 and preventing the moving plate 23 from tilting. Multiple rolling grooves 51 arranged in a circle are provided in the through openings 42. Rolling balls 52 are provided in the rolling grooves 51. The rolling balls 52 are in contact with the guide rod 41. The movement of the moving plate 23 can make the rolling balls 52 roll in the rolling grooves 51, thereby reducing the friction between the moving plate 23 and the guide rod 41.

[0025] Please see Figure 1 , Figure 2 , Figure 3 as well as Figure 5The connecting components include a mounting cavity 31 inside the nut 13, a movable frame 32 connected to the mounting cavity 31, a connecting plate 33 fixedly connected to one side of the movable frame 32, a connecting rod 34 fixedly connected to one side of the connecting plate 33, recesses 35 on both sides of the bolt body 12, a connecting groove 36 on one side of the recesses 35, and a screw 37 connected to the movable frame 32. The screw 37 is screwed to the movable frame 32 and rotatably connected to the nut 13. The connecting rod 34 is inserted into the connecting groove 36, passing through the mounting cavity 31 and slidably connected to the nut 13. Rotation of the screw 37 can drive the movable frame 32 to move, which in turn can drive the connecting plate 33 to move, thereby driving the connecting rod 34 to move, so that the connecting rod 34 is inserted into the connecting groove 36, thus connecting and fixing the nut 13 and the bolt body 12. The nut 13 remains stationary, preventing loosening. Anti-rotation grooves 61 are provided on both sides of the mounting cavity 31, with anti-rotation blocks 62 slidably connected within each groove. The anti-rotation blocks 62 are fixedly connected to the connecting plate 33. Movement of the connecting plate 33 moves the anti-rotation blocks 62, preventing synchronous rotation between the connecting plate 33 and the screw 37, ensuring the connecting rod 34 can only move laterally. The anti-rotation groove 61 is T-shaped, and the anti-rotation blocks 62 are I-shaped, vertically restricting the anti-rotation blocks 62 and preventing them from vertically detaching from the anti-rotation groove 61. A knob 71 is fixedly connected to one end of the screw 37, and an anti-detachment plate 72 is fixedly connected to the other end. The knob 71 facilitates rotation of the screw 37, while the anti-detachment plate 72 restricts the movement of the frame 32, preventing it from detaching from the screw 37.

[0026] Working principle: During operation, pulling the pull plate 25 moves the moving plate 23, which in turn moves the spring 26, causing it to deform. This, in turn, moves the horizontal plate 27 and the insertion rod 28, allowing the bolt body 12 to be inserted into the first steel structure 1 and the second steel structure 11. Then, the nut 13 is tightened. Afterward, releasing the pull plate 25 causes the spring 26 to return to its original position, which in turn resets the moving plate 23. This allows the insertion rod 28 to be inserted into the slot 29, fixing the bolt body 12 and preventing rotation. Simultaneously, rotating the knob 71 causes the screw 37 to rotate. This allows the movable frame 32 to move, which in turn moves the connecting plate 33, which in turn moves the connecting rod 34, causing it to engage in the connecting groove 36. This allows the nut 13 to be connected and fixed to the bolt body 12. Since the bolt body 12 is locked and will not rotate, the nut 13 will also not rotate, thus preventing loosening and greatly improving the stability of the connection between steel structures. The above is the working process of the entire device. Any content not described in detail in this specification is existing technology known to those skilled in the art.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bolted connection structure for steel structure engineering, comprising a first steel structure (1) and a second steel structure (11), characterized in that: The first steel structure (1) and the second steel structure (11) are respectively provided with bolt bodies (12) on both sides. The bottom of the bolt body (12) is screwed with a nut (13). The bolt body (12) is provided with an anti-rotation component, and the nut (13) is provided with a connecting component. The anti-rotation component includes a cavity (21) located in the upper part of the bolt body (12), openings (22) located on both sides of the cavity (21), a movable plate (23) located in the cavity (21), a pull rod (24) fixedly connected to the top of the movable plate (23), a pull plate (25) fixedly connected to the top of the pull rod (24), a spring (26) sleeved on the outside of the pull rod (24), a horizontal plate (27) fixedly connected to both sides of the movable plate (23), a plug rod (28) fixedly connected to the bottom of the horizontal plate (27), and two slots (29) located on both sides of the first steel structure (1). The plug rod (28) is inserted into the slot (29), the horizontal plate (27) is slidably connected to the opening (22), and the pull rod (24) passes through the cavity (21) and is slidably connected to the bolt body (12).

2. The bolted connection structure for steel structure engineering according to claim 1, characterized in that: The connecting component includes an installation cavity (31) inside the nut (13), a movable frame (32) connected to the installation cavity (31), a connecting plate (33) fixedly connected to one side of the movable frame (32), a connecting rod (34) fixedly connected to one side of the connecting plate (33), recesses (35) respectively opened on both sides of the bolt body (12), a connecting groove (36) opened on one side of the recess (35), and a screw (37) connected to the movable frame (32). The screw (37) is screwed to the movable frame (32), the screw (37) is rotatably connected to the nut (13), the connecting rod (34) is inserted into the connecting groove (36), and the connecting rod (34) passes through the installation cavity (31) and is slidably connected to the nut (13).

3. The bolted connection structure for steel structure engineering according to claim 1, characterized in that: Guide rods (41) are fixedly connected to both sides of the cavity (21), and through openings (42) are opened on both sides of the top of the moving plate (23). The guide rods (41) are slidably connected to the through openings (42).

4. The bolted connection structure for steel structure engineering according to claim 3, characterized in that: The through-hole (42) has a plurality of rolling grooves (51) arranged in a circular pattern, and the rolling grooves (51) are provided with balls (52), which are in contact with the guide rod (41).

5. The bolted connection structure for steel structure engineering according to claim 2, characterized in that: The mounting cavity (31) has anti-rotation grooves (61) on both sides, and an anti-rotation block (62) is slidably connected in the anti-rotation groove (61). The anti-rotation block (62) is fixedly connected to the connecting plate (33).

6. The bolted connection structure for steel structure engineering according to claim 2, characterized in that: A knob (71) is fixedly connected to one end of the screw (37), and an anti-detachment plate (72) is fixedly connected to the other end of the screw (37).

7. The bolted connection structure for steel structure engineering according to claim 5, characterized in that: The anti-rotation groove (61) is T-shaped, and the anti-rotation block (62) is I-shaped.

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