Large-span steel beam butt joint device
By designing a docking mechanism for large-span steel beams, pre-connection components and limiting components are used to solve the problem of butt surface offset in steel beam docking installation, and the docking quality and structural stress performance are improved.
Patent Information
- Application Number
- CN202421272689.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-02-21
- Estimated Expiration
- 2034-06-05
AI Technical Summary
During the butt installation of large-span steel beams, it is difficult for the prior art to achieve stable jointing and fixing of two steel beams, resulting in the possible deviation of the butt surface and affecting the quality of the connection.
A docking mechanism including pre-connecting components and limiting components is designed. Through limit frames, shaft holders, bidirectional screws and suction cups, the docking and limiting guidance of the H-shaped steel beams are assisted to ensure stable docking of the docking surface. .
The problem of offsetting the butt surface of the steel beam is effectively avoided, the butt quality is improved, and the stress performance of the steel beam structure is ensured.
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Figure CN222513382U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a large-span steel beam butt joint device. Background Art
[0002] Large-span steel beams play a vital role in modern building structures. Steel beams have higher strength and rigidity, can withstand greater loads, and are relatively light, making them widely used in large-span structures.
[0003] In the steel beam structure system, the connection nodes between steel beams are an important part of the steel structure. The quality of the node connection directly affects the stress performance of the structure. When the existing large-span steel beams are butt-jointed and installed, two steel beams are butt-jointed by welding or bolting. However, during the butt-joining process, it is difficult to stably fit the two steel beams and fix them to each other. In the subsequent welding or bolting process, the butt surfaces of the two steel beams will be offset, making the connection inconvenient and affecting the butt-joining quality of the steel beams. Utility Model Content
[0004] The utility model aims to provide a large-span steel beam butt joint device to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above object, the utility model provides the following technical solutions: a large-span steel beam docking device, comprising two H-shaped steel beams, a docking mechanism is arranged on the outer side of the H-shaped steel beam, and the docking mechanism is used to assist the two adjacent H-shaped steel beams to be docked and installed;
[0006] The docking mechanism includes a pre-connection component and a limit component;
[0007] The pre-connection assembly is used to pre-connect two adjacent H-shaped steel beams;
[0008] The limiting assembly is used to limit and guide the two adjacent H-shaped steel beams in a pre-connected state.
[0009] Preferably, the pre-connection assembly includes a limit frame, a bracket, a shaft-holding motor, a bidirectional screw rod, two movable frames and a plurality of limit rings;
[0010] The limit frame is sleeved on the outer side of the joint of two adjacent H-shaped steel beams, the bracket is fixedly connected to the outer side of the limit frame, the shaft-holding motor is installed on the outer side of the bracket, the bidirectional screw is fixedly connected to the output shaft end of the shaft-holding motor, and the bidirectional screw is rotatably connected to the inner side of the bracket, the limit ring is fixedly connected to the outer wall of the bidirectional screw, and the movable frame is connected to the bidirectional screw through a screw seat.
[0011] Preferably, the inner cavity of one of the movable frames is provided with an internal thread engaged with the positive thread of the bidirectional screw rod, and the inner cavity of the other movable frame is provided with an internal thread engaged with the reverse thread of the bidirectional screw rod.
[0012] Preferably, the output shaft of the shaft-holding motor in the running state is used to drive the bidirectional lead screw to rotate, and the bidirectional lead screw in the rotating state is used to drive the two moving frames to move synchronously.
[0013] Preferably, the limiting assembly includes an L-shaped frame, an air pump, a three-way hose and two suction cups;
[0014] The L-shaped frame is fixedly connected to the top of the limiting frame, the air pump is installed on the outside of the bending part of the L-shaped frame, the suction cup is installed on the bottom of the movable frame, one of the butt ends of the three-way hose is connected to the butt end of the air pump, and the other two butt ends of the three-way hose are respectively connected to the butt ends of the two suction cups.
[0015] Preferably, the air pump in the operating state is used to provide suction to the two suction cups, and the two suction cups in the adsorption state are used to limit and guide the two adjacent H-shaped steel beams.
[0016] Compared with the prior art, the beneficial effect of the utility model is: the docking mechanism allows the limit frame to be sleeved on the outside of the docking point of two adjacent H-shaped steel beams, thereby pre-connecting the two adjacent H-shaped steel beams, and the air pump drives the two suction cups to operate simultaneously, then the two suction cups in the adsorption state will limit and guide the two adjacent H-shaped steel beams, and then the shaft holding motor drives the two suction cups to move close to each other, then the two suction cups in the close moving state respectively drive the docking surfaces of the two adjacent H-shaped steel beams that are adsorbed to dock stably, thereby avoiding the situation where the docking surfaces of the two adjacent H-shaped steel beams will be offset and make the connection inconvenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the docking mechanism structure of the utility model;
[0019] Figure 3 This is a structural schematic diagram of the docking mechanism of the utility model from another perspective;
[0020] Figure 4 This is a schematic diagram of the suction cup structure of the utility model.
[0021] In the figure: 1. H-shaped steel beam; 2. docking mechanism; 201. limit frame; 202. bracket; 203. shaft-holding motor; 204. L-shaped frame; 205. air pump; 206. bidirectional screw rod; 207. limit ring; 208. movable frame; 209. three-way hose; 2010. suction cup. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-4 The utility model provides a technical solution for a large-span steel beam docking device: a large-span steel beam docking device, comprising two H-shaped steel beams 1, a docking mechanism 2 is arranged on the outer side of the H-shaped steel beam 1, and the docking mechanism 2 is used to assist the two adjacent H-shaped steel beams 1 to be docked and installed;
[0024] The docking mechanism 2 includes a pre-connection component and a limit component;
[0025] The pre-connection component is used to pre-connect two adjacent H-shaped steel beams 1;
[0026] The limiting assembly is used to limit and guide two adjacent H-shaped steel beams 1 in a pre-connected state.
[0027] Please refer to Figure 3 The pre-connection assembly includes a limit frame 201, a bracket 202, a shaft-holding motor 203, a bidirectional screw rod 206, two moving frames 208 and a plurality of limit rings 207;
[0028] The limit frame 201 is sleeved on the outside of the joint of two adjacent H-shaped steel beams 1, the bracket 202 is fixedly connected to the outside of the limit frame 201, the shaft-holding motor 203 is installed on the outside of the bracket 202, the bidirectional screw rod 206 is fixedly connected to the output shaft end of the shaft-holding motor 203, and the bidirectional screw rod 206 is rotatably connected to the inner side of the bracket 202, the limit ring 207 is fixedly connected to the outer wall of the bidirectional screw rod 206, and the movable frame 208 is connected to the bidirectional screw rod 206 through the screw rod seat.
[0029] In this embodiment: by connecting the shaft-holding motor 203 to electricity and running it, the output shaft of the shaft-holding motor 203 in operation drives the bidirectional screw rod 206 to rotate in the forward direction, and the bidirectional screw rod 206 in the forward rotating state drives the two moving frames 208 to move synchronously, so that one moving frame 208 moves along the positive thread trajectory of the bidirectional screw rod 206, and the other moving frame 208 moves along the reverse thread of the bidirectional screw rod 206, and the two moving frames 208 in the synchronous moving state move close to each other, so that the moving frames 208 in the moving state respectively drive the two suction cups 2010 to move close to each other, and the two suction cups 2010 in the close moving state respectively drive the docking surfaces of the two adjacent H-shaped steel beams 1 that are adsorbed to dock stably.
[0030] Please refer to Figure 3 The inner cavity of one movable frame 208 is provided with an internal thread engaged with the positive thread of the bidirectional screw rod 206 , and the inner cavity of the other movable frame 208 is provided with an internal thread engaged with the reverse thread of the bidirectional screw rod 206 .
[0031] In this embodiment, the two moving frames 208 are driven to move synchronously by the bidirectional screw rod 206 in the forward rotating state, so that one moving frame 208 moves along the positive thread track of the bidirectional screw rod 206, and the other moving frame 208 moves along the reverse thread track of the bidirectional screw rod 206.
[0032] Please refer to Figure 3 The output shaft of the shaft-holding motor 203 in the running state is used to drive the bidirectional screw rod 206 to rotate, and the bidirectional screw rod 206 in the rotating state is used to drive the two moving frames 208 to move synchronously.
[0033] In this embodiment: the output shaft of the shaft-holding motor 203 in operation drives the bidirectional screw rod 206 to rotate in the forward direction, and the bidirectional screw rod 206 in the forward rotating state drives the two moving frames 208 to move synchronously.
[0034] Please refer to Figure 4 , the limiting assembly includes an L-shaped frame 204, an air pump 205, a three-way hose 209 and two suction cups 2010;
[0035] The L-shaped frame 204 is fixedly connected to the top of the limiting frame 201, the air pump 205 is installed on the outside of the bending part of the L-shaped frame 204, the suction cup 2010 is installed on the bottom of the movable frame 208, one of the docking ends of the three-way hose 209 is connected to the docking end of the air pump 205, and the other two docking ends of the three-way hose 209 are respectively connected to the docking ends of the two suction cups 2010.
[0036] In this embodiment: by connecting the air pump 205 to electricity and running it, the air pump 205 in operation provides suction to the inside of the three-way hose 209, and the three-way hose 209 then transfers the suction to the inside of the two suction cups 2010, so that the two suction cups 2010 in operation are respectively adsorbed on the outside of two adjacent H-shaped steel beams 1.
[0037] Please refer to Figure 4 The air pump 205 in operation is used to provide suction to the two suction cups 2010 , and the two suction cups 2010 in adsorption state are used to limit and guide the two adjacent H-shaped steel beams 1 .
[0038] In this embodiment, the two suction cups 2010 in the operating state are respectively adsorbed on the outer sides of two adjacent H-shaped steel beams 1 , and then the two suction cups 2010 in the adsorbed state limit and guide the two adjacent H-shaped steel beams 1 .
[0039] Working principle: when two adjacent H-shaped steel beams 1 need to be butt-jointed, firstly, the limiting frame 201 is sleeved on the outer side of the butt joint of the two adjacent H-shaped steel beams 1, and then the two adjacent H-shaped steel beams 1 are pre-connected. At this time, the air pump 205 is powered on and operated, so that the running air pump 205 provides suction to the inside of the three-way hose 209, and the three-way hose 209 then transmits the suction to the inside of the two suction cups 2010, so that the two suction cups 2010 in the running state are respectively adsorbed on the outer sides of the two adjacent H-shaped steel beams 1, and then the two suction cups 2010 in the adsorbed state limit and guide the two adjacent H-shaped steel beams 1;
[0040] At this time, the shaft-holding motor 203 is powered on and operated, so that the output shaft of the shaft-holding motor 203 in operation drives the bidirectional lead screw 206 to rotate in the forward direction, and the bidirectional lead screw 206 in the forward rotating state drives the two moving frames 208 to move synchronously, so that one moving frame 208 moves along the positive thread trajectory of the bidirectional lead screw 206, and the other moving frame 208 moves along the reverse thread of the bidirectional lead screw 206, and the two moving frames 208 in the synchronous moving state move close to each other, so that the moving frames 208 in the moving state respectively drive the two suction cups 2010 to move close to each other, and the two suction cups 2010 in the close moving state respectively drive the butt joint surfaces of the two adjacent H-shaped steel beams 1 that are adsorbed to dock stably, so as to avoid the situation where the butt joint surfaces of the two adjacent H-shaped steel beams 1 will be offset and make the connection inconvenient.
[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A large-span steel beam butt joint device, comprising two H-shaped steel beams (1), characterized in that: A docking mechanism (2) is provided on the outer side of the H-shaped steel beam (1), and the docking mechanism (2) is used to assist in docking and installing two adjacent H-shaped steel beams (1); The docking mechanism (2) comprises a pre-connection component and a limit component; The pre-connection assembly is used to pre-connect two adjacent H-shaped steel beams (1); The limiting assembly is used to limit and guide the two adjacent H-shaped steel beams (1) in a pre-connected state.
2. The large-span steel beam butt joint device according to claim 1, characterized in that: The pre-connection assembly comprises a limit frame (201), a bracket (202), a shaft-holding motor (203), a bidirectional screw rod (206), two movable frames (208) and a plurality of limit rings (207); The limiting frame (201) is sleeved on the outer side of the joint between two adjacent H-shaped steel beams (1); the bracket (202) is fixedly connected to the outer side of the limiting frame (201); the shaft-holding motor (203) is installed on the outer side of the bracket (202); the bidirectional screw rod (206) is fixedly connected to the end of the output shaft of the shaft-holding motor (203); and the bidirectional screw rod (206) is rotatably connected to the inner side of the bracket (202); the limiting ring (207) is fixedly connected to the outer wall of the bidirectional screw rod (206); and the moving frame (208) is connected to the bidirectional screw rod (206) via a screw rod seat.
3. The large-span steel beam butt joint device according to claim 2 is characterized in that: The inner cavity of one of the moving frames (208) is provided with an internal thread engaged with the positive thread of the bidirectional screw rod (206), and the inner cavity of the other moving frame (208) is provided with an internal thread engaged with the reverse thread of the bidirectional screw rod (206).
4. The large-span steel beam docking device according to claim 2, characterized in that: The output shaft of the shaft-holding motor (203) in the running state is used to drive the bidirectional screw rod (206) to rotate, and the bidirectional screw rod (206) in the rotating state is used to drive the two moving frames (208) to move synchronously.
5. The large-span steel beam butt joint device according to claim 2, characterized in that: The limiting assembly comprises an L-shaped frame (204), an air pump (205), a three-way hose (209) and two suction cups (2010); The L-shaped frame (204) is fixedly connected to the top of the limiting frame (201), the air pump (205) is installed on the outside of the bent portion of the L-shaped frame (204), the suction cup (2010) is installed on the bottom of the movable frame (208), one of the butt ends of the three-way hose (209) is connected to the butt end of the air pump (205), and the other two butt ends of the three-way hose (209) are respectively connected to the butt ends of the two suction cups (2010).
6. The large-span steel beam butt joint device according to claim 5, characterized in that: The air pump (205) in the operating state is used to provide suction to the two suction cups (2010), and the two suction cups (2010) in the adsorption state are used to limit and guide the two adjacent H-shaped steel beams (1).