Steel structure connecting and fixing device

Abstract

The utility model relates to a steel structure connecting and fixing device which comprises two symmetrically-arranged steel pipes, the same connecting and fixing assembly is installed between the two steel pipes, the connecting and fixing assembly comprises a hollow installation block, the front end and the rear end of the installation block are fixedly connected with installation sleeves correspondingly, and a bidirectional lead screw is installed on the inner side of the installation block; limiting rings are fixedly connected to the upper end and the lower end of the outer side of the two-way lead screw correspondingly, a rotating block is fixedly connected to the top end of the two-way lead screw, internal thread sleeves are in threaded connection to the upper end and the lower end of the outer side of the two-way lead screw correspondingly, and connecting rods are fixedly connected to the positions, close to the front end and the rear end, of the outer sides of the two internal thread sleeves correspondingly. According to the connecting and fixing assembly, the effect of conveniently mounting and dismounting the steel pipe is achieved, the fixing effect is good, water prevention can be conducted on the connecting position, and corrosion of external factors such as rainwater to the connecting position is avoided.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of steel structures, in particular to a steel structure connecting and fixing device. BACKGROUND

[0002] The steel structure is a structure composed of steel materials and is one of main building structure types. The steel structure is widely applied in the fields of industrial plants, municipal infrastructure construction, culture and sports construction, power, bridges, offshore oil engineering, aerospace, etc. and gradually expands market space, due to the advantages of high strength, light weight, good anti-seismic performance, high industrialization degree, short construction period, strong plasticity, energy saving and environmental protection, etc.

[0003] In the steel structure engineering, the connecting and fixing device is a key component for ensuring the stability and safety of the structure. The traditional steel structure connecting mode often depends on the welding connection. Although this method is effective, it has limitations in some application scenarios. For example, the welding connection is firm, but has high construction complexity and is not easy to disassemble. Therefore, it is particularly important to develop a steel structure connecting and fixing device which can ensure the connecting strength and is convenient to install and disassemble.

[0004] Therefore, the skilled in the art provides a steel structure connecting and fixing device to solve the problems in the background. CONTENT OF THE INVENTION

[0005] In order to solve the problems in the background, the application provides a steel structure connecting and fixing device.

[0006] The steel structure connecting and fixing device provided by the application adopts the following technical scheme:

[0007] The steel structure connecting and fixing device comprises two symmetrically arranged steel pipes, and a same connecting and fixing assembly is arranged between the two steel pipes. The connecting and fixing assembly comprises a hollow designed mounting block, mounting sleeves are fixedly connected to the front and rear ends of the mounting block, a bidirectional lead screw is arranged on the inner side of the mounting block, limit rings are fixedly connected to the upper and lower ends of the outer side of the bidirectional lead screw, a rotating block is fixedly connected to the top end of the bidirectional lead screw, internally threaded sleeves are threadedly connected to the upper and lower ends of the outer side of the bidirectional lead screw, connecting rods are fixedly connected to the positions close to the front and rear ends of the outer sides of the two internally threaded sleeves, plug rods are fixedly connected to the ends of the connecting rods, through holes are formed in the positions corresponding to the plug rods of the mounting sleeves, and protective covers are fixedly connected to the outer sides of the mounting sleeves and located outside the through holes.

[0008] Preferably, a column is fixedly connected to the center of the mounting block and penetrates the front and rear ends of the mounting block, a vertical mounting groove is formed in the middle of the column, and the connecting rods and the plug rods are arranged in the mounting groove.

[0009] Preferably, the inner side of the mounting sleeve is mounted with rubber rings at both ends and the outer side of the column is mounted with rubber rings at both ends.

[0010] Preferably, the end of the steel pipe and the position close to the upper and lower ends are provided with two fixing holes, and the two fixing holes are located on the same straight line.

[0011] Preferably, the two ends of the mounting sleeve and the position parallel to the insertion rod are provided with positioning grooves.

[0012] In summary, the present application has the following beneficial technical effects:

[0013] 1. The steel pipe is inserted into the inner side of the outer side mounting sleeve of the column, the connection firmness is improved by setting the column, the bidirectional lead screw is driven by the rotating block to cooperate with the limiting ring, the internal thread sleeve, the connecting rod and the insertion rod, the insertion rod is inserted into the fixing hole on the steel pipe, the steel pipe is connected and fixed, the rubber ring is arranged to effectively prevent the erosion of external factors such as rainwater on the connection, the service life of the device is prolonged, the positioning groove is designed to quickly position the steel pipe during installation, and the connection problem caused by inaccurate installation position is avoided. The connection and fixing assembly has the effects of facilitating the installation and disassembly of the steel pipe, has good fixing effect, can waterproof the connection, and avoids the erosion of external factors such as rainwater on the connection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the overall structure schematic diagram of the present application;

[0015] Figure 2 is the internal structure schematic diagram of the connection and fixing assembly of the present application;

[0016] Figure 3 is the partial structure schematic diagram of the connection and fixing assembly of the present application.

[0017] Marked with 1, steel pipe; 2, connection and fixing assembly; 201, mounting block; 202, mounting sleeve; 203, protective cover; 204, positioning groove; 205, rubber ring; 206, column; 207, mounting groove; 208, bidirectional lead screw; 209, rotating block; 210, limiting ring; 211, internal thread sleeve; 212, connecting rod; 213, insertion rod. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0019] Embodiment 1

[0020] As shown in Figures 1-3 The application discloses a steel structure connecting and fixing device, which comprises two symmetrically arranged steel pipes 1, one connecting and fixing assembly 2 is arranged between the two steel pipes 1, the connecting and fixing assembly 2 comprises a hollow mounting block 201, mounting sleeves 202 are arranged at the front and back ends of the mounting block 201 respectively, a bidirectional screw rod 208 is arranged at the inner side of the mounting block 201, limit rings 210 are arranged at the upper and lower ends of the outer side of the bidirectional screw rod 208 respectively, a rotating block 209 is arranged at the top end of the bidirectional screw rod 208, internally-threaded sleeves 211 are arranged at the upper and lower ends of the outer side of the bidirectional screw rod 208 respectively, connecting rods 212 are arranged at the outer sides of the two internally-threaded sleeves 211 and close to the positions of the front and back ends respectively, plug rods 213 are arranged at the ends of the connecting rods 212, through holes are formed in the mounting sleeves 202 and correspond to the positions of the plug rods 213, and protective covers 203 are fixedly connected to the outer sides of the mounting sleeves 202 and located outside the through holes.

[0021] The steel pipe 1 is arranged in the mounting sleeve 202, the rotating block 209 is rotated by using a wrench, the bidirectional screw rod 208 is driven to rotate, the two internally-threaded sleeves 211 are driven to move away from each other by the bidirectional screw rod 208, the connecting rods 212 and the plug rods 213 are driven to move by the internally-threaded sleeves 211, the plug rods 213 are inserted into the fixing holes in the steel pipe 1, the two steel pipes 1 are connected and fixed, and conversely, the rotating block 209 is reversely rotated, the two internally-threaded sleeves 211 are driven to move close to each other, and the plug rods 213 are pulled out of the fixing holes in the steel pipe 1, so that the steel pipe 1 is released from the fixing.

[0022] As shown in Figure 2 A column body 206 is arranged in the middle of the front and back ends of the mounting block 201, a vertical mounting groove 207 is formed in the middle of the column body 206, the connecting rods 212 and the plug rods 213 are arranged in the mounting groove 207, the steel pipe 1 can be arranged outside the column body 206 by arranging the column body 206, and the fixing firmness of the steel pipe 1 is improved.

[0023] As shown in Figure 2 Rubber rings 205 are arranged at the inner sides of the mounting sleeves 202 and the outer sides of the column body 206 respectively, the gap between the steel pipe 1 and the connecting and fixing assembly 2 can be sealed by arranging the rubber rings 205 when the steel pipe 1 is arranged, and rainwater is prevented from invading to cause corrosion of the connecting position.

[0024] As shown in Figure 1 Two fixing holes are formed at the ends of the steel pipe 1 and close to the upper and lower ends, the two fixing holes are located on the same straight line, the steel pipe 1 can be connected and fixed in cooperation with the plug rods 213 in the connecting and fixing assembly 2 by forming the fixing holes in the steel pipe 1.

[0025] As shown in Figure 1 , 2As shown, the position parallel to the inserting rod 213 and at both ends of the mounting sleeve 202 is provided with a positioning slot 204, and the mounting position of the steel pipe 1 can be positioned through the positioning slot 204.

[0026] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein.

[0027] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.

[0028] The implementation principle of the steel structure connecting and fixing device in the embodiment of the application is as follows:

[0029] In use, the device mainly comprises two symmetrically arranged steel pipes 1 and a connecting and fixing assembly 2, the core component of the connecting and fixing assembly 2 is a hollow designed mounting block 201, the front and rear ends of the mounting block 201 are fixedly connected with mounting sleeves 202 respectively, the inner side of the mounting block 201 is provided with a bidirectional screw rod 208, the top end of the bidirectional screw rod 208 is fixedly connected with a rotating block 209, the rotating block 209 is convenient for being rotated by using a wrench or the like, the outer side of the bidirectional screw rod 208 is threadedly connected with inner thread sleeves 211 at the upper and lower ends respectively, the two inner thread sleeves 211 move towards or away from each other with the rotation of the screw rod, the bidirectional screw rod 208 can be limited by a limiting ring 210 arranged in the mounting block 201, the outer side of the two inner thread sleeves 211 is fixedly connected with connecting rods 212 at positions close to the proximal end and the distal end respectively, the distal end of the connecting rod 212 is fixedly connected with an inserting rod 213, the fixed holes on the steel pipe 1 are aligned with the positioning slots 204 and inserted into the mounting sleeves 202, when the rotating block 209 is rotated, the bidirectional screw rod 208 drives the two inner thread sleeves 211 and the inserting rod 213 attached thereto to move away from or close to each other, so that the inserting rod 213 is inserted into or extracted from the fixed holes on the steel pipe 1, the purpose of connection or disconnection is achieved, in addition, in order to improve the firmness of the connection and prevent rainwater from entering, a column body 206 and a rubber ring 205 are further arranged, the column body 206 penetrates through the front and rear ends of the mounting block 201 and provides an additional support point for the steel pipe 1, the rubber ring 205 is arranged on the inner side of the mounting sleeve 202 and the outer side of the column body 206 and is used for sealing the gap between the steel pipe 1 and the connecting and fixing assembly 2, the connecting rod 212 moves in the mounting groove 207 in the column body 206 and can be limited, so that the connecting rod 212 and the inserting rod 213 can only move in the upward and downward directions.

[0030] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A steel structure connecting and fixing device, comprising two symmetrically arranged steel pipes (1), and a same connecting and fixing assembly (2) is arranged between the two steel pipes (1), characterized in that, The connecting and fixing assembly (2) comprises a hollow designed mounting block (201), mounting sleeves (202) are fixedly connected to the front and rear ends of the mounting block (201) respectively, a bidirectional lead screw (208) is mounted on the inner side of the mounting block (201), limit rings (210) are fixedly connected to the outer side of the bidirectional lead screw (208) near the upper and lower ends respectively, a rotating block (209) is fixedly connected to the top end of the bidirectional lead screw (208), internally threaded sleeves (211) are threadedly connected to the outer side of the bidirectional lead screw (208) near the upper and lower ends respectively, connecting rods (212) are fixedly connected to the outer sides of the two internally threaded sleeves (211) near the proximal ends and the front and rear ends respectively, plug rods (213) are fixedly connected to the ends of the connecting rods (212), through holes are formed in the mounting sleeves (202) corresponding to the positions of the plug rods (213), and protective covers (203) are fixedly connected to the outer sides of the mounting sleeves (202) and located outside the through holes.

2. A steel construction connecting and fixing device according to claim 1, characterized in that: A column (206) is fixedly connected to the center of the mounting block (201) and penetrates the front and rear ends of the mounting block (201), a vertical mounting groove (207) is formed in the middle of the column (206), and the connecting rods (212) and the plug rods (213) are mounted in the mounting groove (207).

3. A steel construction connecting fixture according to claim 1 or 2, characterized in that: Rubber rings (205) are mounted on the outer sides of the mounting sleeves (202) near the two ends and the outer sides of the column (206) near the two ends respectively.

4. A steel construction connecting and fixing device according to claim 1, characterized in that: Two fixing holes are formed in the ends of the steel pipe (1) and located near the upper and lower ends, and the two fixing holes are located on the same straight line.

5. A steel construction connecting and fixing device according to claim 1, characterized in that: Positioning grooves (204) are formed in the two ends of the mounting sleeves (202) and parallel to the plug rods (213).

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