Fabricated steel pipe connecting structure

Abstract

The utility model relates to the technical field of machinery. An assembly type steel pipe connecting structure is characterized by comprising a first steel pipe section and a second steel pipe section, and the butt joint position of the first steel pipe section and the second steel pipe section is provided with inserting structures matched with each other; the inner reinforcing pipe is located on the inner side of the butt joint position of the first steel pipe section and the second steel pipe section, the inner reinforcing pipe is connected with the first steel pipe section through a first bolt, and the inner reinforcing pipe is connected with the second steel pipe section through a second bolt; the connecting structure further comprises a pipe hoop, the pipe hoop is arranged on the outer side of the butt joint position of the first steel pipe section and the second steel pipe section in a sleeving mode, and the opening side of the pipe hoop is locked through a locking bolt. According to the welding-free connecting structure, the first steel pipe section and the second steel pipe section can be quickly butted, the two steel pipes can be butted without welding, and the welding-free connecting structure for butting the steel pipes is provided.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical technical field, concretely is steel pipe connecting structure. BACKGROUND

[0002] In the installation process of photovoltaic cell assembly, the welding of steel pipe needs to be carried out on site to realize the assembly of photovoltaic panel support. The shortage of professional welders in the market makes it difficult to effectively guarantee the welding quality at the construction site, which undoubtedly brings hidden dangers to the installation and operation of the photovoltaic system.

[0003] In order to solve this problem, a welding-free photovoltaic support connecting device is urgently needed to realize quick splicing without welding on site. UTILITY MODEL CONTENTS

[0004] In view of the problems existing in the prior art, the utility model provides an assembled steel pipe connecting structure to solve at least one of the above technical problems.

[0005] In order to achieve the above purpose, the utility model provides an assembled steel pipe connecting structure, characterized by comprising a first steel pipe section and a second steel pipe section, and a plug-in structure matched with each other is arranged at the butt joint of the first steel pipe section and the second steel pipe section.

[0006] It also comprises an inner reinforcing pipe, which is located at the inner side of the butt joint of the first steel pipe section and the second steel pipe section, and the inner reinforcing pipe is connected with the first steel pipe section through a first bolt and connected with the second steel pipe section through a second bolt.

[0007] It also comprises a pipe clamp, which is sleeved on the outer side of the butt joint of the first steel pipe section and the second steel pipe section, and the opening side of the pipe clamp is locked through a locking bolt.

[0008] The utility model realizes the quick butt joint of the first steel pipe section and the second steel pipe section, realizes the butt joint of two steel pipes without welding, and provides a welding-free connecting structure for the butt joint of steel pipes.

[0009] Further preferably, the first steel pipe section and the second steel pipe section are both square tube structures.

[0010] Further preferably, the plug-in structure comprises a protrusion and a groove matched with each other.

[0011] It is convenient for plug-in.

[0012] Further preferably, the plug-in structure comprises an extension part fixed at the end of the first steel pipe section and a limiting groove opened at the end of the second steel pipe section.

[0013] The limiting groove is a V-shaped structure, the slot width of the limiting groove is greater than the groove bottom width, and the width of the limiting groove decreases from outside to inside along the length direction of the second steel pipe segment.

[0014] Further preferably, the first steel pipe segment and the second steel pipe segment are square tubes, the four side walls of the first steel pipe segment are each fixed with the extension part, and the four side walls of the second steel pipe segment are each provided with the limiting groove.

[0015] Further preferably, the slot width of the limiting groove is not greater than the width of the side wall of the second steel pipe segment.

[0016] Further preferably, the area from the extension part on the end face of the first steel pipe segment to the adjacent extension part is in surface contact connection with the area from the slot opening of the limiting groove on the end face of the second steel pipe segment to the slot opening of the adjacent limiting groove.

[0017] Further preferably, the pipe clamp comprises a first clamping plate part, an open ring and a second clamping plate part connected in sequence, the first clamping plate part and the second clamping plate part are connected to two ends of the open ring respectively, and the first clamping plate part and the second clamping plate part are connected through the locking bolt.

[0018] Further preferably, the length of the pipe clamp is 10-15 cm.

[0019] Further preferably, the opposite sides of the pipe clamp are respectively provided with the first bolt and the second bolt.

[0020] Further preferably, the first bolt passes through the opposite side walls of the first steel pipe segment and the opposite side walls of the inner reinforcing pipe.

[0021] The second bolt passes through the opposite side walls of the second steel pipe segment and the opposite side walls of the inner reinforcing pipe.

[0022] Compared with the prior art, the utility model has the advantages that:

[0023] The utility model realizes the quick butt joint of the first steel pipe segment and the second steel pipe segment, realizes the butt joint of two steel pipes without welding, and provides a welding-free connecting structure for steel pipe butt joint.

[0024] In the splicing process, the first steel pipe segment and the second steel pipe segment are preliminarily fixed, then the first bolt, the second bolt and the locking bolt are used for fastening, so that the stability and reliability of the connection are ensured. The utility model not only simplifies the installation process, reduces the construction difficulty, but also avoids the safety hidden danger caused by welding, improves the overall safety and durability of the photovoltaic power station. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1It is a sectional view of embodiment 1 of the utility model;

[0026] Figure 2 It is an exploded view of embodiment 1 of the utility model;

[0027] Figure 3 It is a local structure schematic view of pipe clamp of embodiment 1 of the utility model.

[0028] Figure 4 It is an exploded view of first steel pipe section and second steel pipe section of embodiment 1 of the utility model;

[0029] Figure 5 It is a structure schematic view of inner reinforcing pipe of embodiment 1 of the utility model.

[0030] In the drawing: 1 is first steel pipe section, 2 is second steel pipe section, 3 is inner reinforcing pipe, 4 is pipe clamp, 5 is first bolt, 6 is second bolt, 7 is locking bolt, 11 is extension, 21 is limiting groove. Specific implementation

[0031] The utility model will be further explained in connection with the drawings.

[0032] Referring to Figures 1 to 5 , specific embodiment 1: a fabricated steel pipe connecting structure, it is characterized in that, including first steel pipe section 1 and second steel pipe section 2, first steel pipe section 1 and second steel pipe section 2 butt joint place are provided with mutually matched plug-in structure;Still include an inner reinforcing pipe, inner reinforcing pipe 3 is located at the butt joint place of first steel pipe section 1 and second steel pipe section 2 inside, inner reinforcing pipe 3 and first steel pipe section 1 are connected through first bolt 5, inner reinforcing pipe 3 and second steel pipe section 2 are connected through second bolt 6;Still include a pipe clamp 4, pipe clamp 4 is set in first steel pipe section 1 and the outside of the butt joint place of second steel pipe section 2, the opening side of pipe clamp 4 is locked through locking bolt 7.The utility model has realized the quick butt joint of first steel pipe section 1 and second steel pipe section 2, and the butt joint of two steel pipes can be realized without welding, provides a steel pipe butt joint weldingless connecting structure.

[0033] First steel pipe section 1 and second steel pipe section 2 are all square tube structure.

[0034] Plug-in structure includes mutually matched protrusion and groove.Benign for plug-in.

[0035] The plug-in structure comprises an extension 11 fixed at the end of the first steel pipe section 1 and a limiting groove 21 opened at the end of the second steel pipe section 2; the limiting groove 21 is in a V-shaped structure, the width of the groove opening of the limiting groove 21 is greater than the width of the groove bottom, and the width of the limiting groove 21 decreases from outside to inside along the length direction of the second steel pipe section 2. The first steel pipe section 1 and the second steel pipe section 2 are square tubes, the four side walls of the first steel pipe section 1 are all fixed with the extensions 11, and the four side walls of the second steel pipe section 2 are all provided with the limiting grooves 21. The width of the groove opening of the limiting groove 21 is not greater than the width of the side wall of the second steel pipe section 2. The area of the extension 11 on the end face of the first steel pipe section 1 to the adjacent extension 11 is in surface contact connection with the area of the groove opening of the limiting groove 21 on the end face of the second steel pipe section to the adjacent groove opening of the limiting groove 21. The width of the groove opening of the limiting groove 21 is 3 cm. The width of the side wall of the second steel pipe section 2 is 10 cm. The length of the extension 11 is 10 cm.

[0036] The pipe clamp 4 comprises a first clamping plate part, an open ring and a second clamping plate part connected in sequence, the first clamping plate part and the second clamping plate part are connected to two ends of the open ring respectively, and the first clamping plate part and the second clamping plate part are connected through the locking bolt 7.

[0037] The length of the pipe clamp 4 is 10-15 cm. The length of the pipe clamp 4 is greater than the extension length of the extension 11. The length of the pipe clamp 4 is 11 cm.

[0038] The opposite sides of the pipe clamp 4 are respectively provided with the first bolt 5 and the second bolt 6. The first bolt 5 penetrates through the opposite side walls of the first steel pipe section 1 and the opposite side walls of the inner reinforcing pipe 3; the second bolt 6 penetrates through the opposite side walls of the second steel pipe section 2 and the opposite side walls of the inner reinforcing pipe 3. The axial length of the inner reinforcing pipe 3 is greater than 2 times the length of the extension 11 and less than 3 times the length of the extension 11. The inner reinforcing pipe 3 penetrates through the two first bolts 5 and the one second bolt 6.

[0039] The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the principle of the present application, some improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. A prefabricated steel pipe connection structure, characterized in that, The first steel pipe section and the second steel pipe section are provided with matched plug-in structures at the joint; An inner reinforcing pipe is arranged inside the joint of the first steel pipe section and the second steel pipe section, and is connected to the first steel pipe section by a first bolt and connected to the second steel pipe section by a second bolt; A pipe clamp is arranged outside the joint of the first steel pipe section and the second steel pipe section, and the opening side of the pipe clamp is locked by a locking bolt.

2. The fabricated steel pipe connection structure according to claim 1, characterized by: The first steel pipe section and the second steel pipe section are both square pipe structures.

3. The fabricated steel pipe connection structure according to claim 1, characterized by: The plug-in structures include matched protrusions and grooves.

4. The fabricated steel pipe connection structure according to claim 1, characterized by: The plug-in structures include an extension fixed to the end of the first steel pipe section and a limiting groove opened in the end of the second steel pipe section. The limiting groove is a V-shaped structure, and the width of the groove mouth is greater than the width of the groove bottom, and the width of the limiting groove decreases from outside to inside along the length direction of the second steel pipe section.

5. The fabricated steel pipe connection structure according to claim 4, characterized by: The first steel pipe section and the second steel pipe section are square pipes, and the extension is fixed to the four side walls of the first steel pipe section, and the limiting groove is opened in the four side walls of the second steel pipe section.

6. The fabricated steel pipe connection structure of claim 4, wherein: The width of the groove mouth of the limiting groove is not greater than the width of the side wall of the second steel pipe section.

7. The fabricated steel pipe connection structure of claim 4, wherein: The area from the extension on the end face of the first steel pipe section to the adjacent extension is in surface contact with the area from the groove mouth of the limiting groove on the end face of the second steel pipe section to the groove mouth of the adjacent limiting groove.

8. The fabricated steel pipe connection structure of claim 4, wherein: The pipe clamp includes a first clamping plate part, an opening ring and a second clamping plate part connected in sequence, the first clamping plate part and the second clamping plate part are connected to the two ends of the opening ring respectively, and the first clamping plate part and the second clamping plate part are connected by the locking bolt.

9. The fabricated steel pipe connection structure of claim 1, wherein: The opposite sides of the pipe clamp are respectively provided with the first bolt and the second bolt.

10. The fabricated steel pipe connection structure of claim 1, wherein: The first bolt passes through the opposite side walls of the first steel pipe section and the opposite side walls of the inner reinforcing pipe; The second bolt passes through the opposite side walls of the second steel pipe section and the opposite side walls of the inner reinforcing pipe. The second bolt passes through the opposite side walls of the second steel pipe section and the opposite side walls of the inner reinforcing pipe.

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