Connecting structure of electric power steel pipe pole tower

Abstract

The utility model provides a connecting structure of an electric power steel pipe pole tower, and relates to the technical field of electric power transmission. Connecting holes are formed in the connecting ends of the steel pipe poles in a surrounding mode, the upper steel pipe pole and the lower steel pipe pole are connected together in an inserted mode, and the connecting holes formed in the upper steel pipe pole and the lower steel pipe pole communicate with each other. A lower connecting ring is sleeved outside the steel pipe pole at the bottom, an upper connecting frame and a movable ring are sleeved outside the steel pipe pole at the top, and the lower connecting ring is connected with the upper connecting frame. When the upper steel pipe pole and the lower steel pipe pole are connected together in an inserted mode, the connecting holes are communicated with each other, the ends, with the large hole diameters, of the arc-shaped holes are communicated with the connecting holes, the lower connecting ring moves upwards, the inserting columns are inserted into the connecting holes and the arc-shaped holes, the upper connecting frame is rotated, the inserting columns gradually move to the ends, with the small hole diameters, of the arc-shaped holes, and the upper connecting frame is connected into the connecting groove. The lower connecting ring is fixed through the upper connecting frame, and the lower connecting ring and the upper connecting frame are matched with each other, so that the effect of fixing the inserting part of the upper and lower steel pipe poles is achieved, and the connecting part of the steel pipe poles is simpler, more convenient and more time-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission, in particular to a connection structure of a power steel pipe tower. Background Art

[0002] The main components of the steel tube pole tower are made of steel tubes, and the other components are made of steel tubes or steel sections. It is a lattice tower composed of overhead transmission lines to support conductors and lightning conductors. It enables the conductors to meet the distance requirements from the ground and objects, and can withstand the loads of the conductors, lightning conductors and their own loads as well as external loads. The steel tube connection parts of the steel tube pole tower need to be tightened to ensure safety and reliability.

[0003] At present, the connection method of electric power steel pipe towers generally adopts a large number of bolts and nuts for connection and fixing. The number of bolts and nuts ranges from a dozen to more than thirty groups. Workers are required to use handheld power tools to tighten and fix them one by one. The whole connection process takes a long time. Utility Model Content

[0004] The present invention relates to a connection structure for an electric steel pipe pole tower, which solves the problem that the current connection method of the electric steel pipe pole tower generally uses a large number of bolts and nuts for connection and fixation, with the number of bolts and nuts ranging from a dozen to more than thirty groups, and workers need to use handheld electric tools to tighten and fix them in turn, and the whole connection process takes a long time.

[0005] In a first aspect of the present disclosure, a connection structure of an electric power steel pipe pole tower is provided, which specifically includes: a steel pipe pole, a lower connecting ring, an upper connecting frame, a movable ring and a nut; the connecting end of the steel pipe pole is provided with a connecting hole in a circumferential shape, the upper and lower steel pipe poles are plugged together, and the connecting holes provided in the upper and lower steel pipe poles are connected to each other; the steel pipe pole at the bottom is sheathed with a lower connecting ring, and the steel pipe pole at the top is sheathed with an upper connecting frame and a movable ring, the lower connecting ring is connected to the upper connecting frame, and the movable ring is connected to the lower connecting ring and the upper connecting frame; two nuts are connected to the top of the upper connecting frame.

[0006] Furthermore, a plug column is arranged in a surrounding shape on the top of the lower connecting ring, and the plug column is inserted into the connecting holes provided in the two steel pipe rods. An arc hole is arranged in a surrounding shape on the bottom of the upper connecting frame, and the arc hole is connected to the connecting hole. The aperture of one end of the arc hole is larger than the aperture of the other end, and the plug column is inserted into the end of the arc hole with a larger aperture.

[0007] Furthermore, a connecting groove is arranged on the outside of the plug post, the plug post is slidably connected in the arc-shaped hole, and the upper connecting frame is slidably connected in the connecting groove.

[0008] Furthermore, lower plug holes are provided at both ends of the lower connecting ring, and upper guide holes are provided at both ends of the upper connecting frame, and the upper guide holes are located directly above the lower plug holes.

[0009] Furthermore, positioning pins are provided at both ends of the bottom of the movable ring. The positioning pins slide through the two upper guide holes, and the bottom ends of the positioning pins are inserted into the lower insertion holes.

[0010] Furthermore, a spring is sleeved on the outside of the positioning pin provided on the movable ring, the top end of the spring is in contact with the upper connecting frame, and the bottom end of the spring is in contact with the positioning pin.

[0011] Furthermore, two studs are arranged on the top of the upper connecting frame, two through holes are arranged inside the movable ring, the studs pass through the through holes, the nuts are threadedly connected to the outside of the studs, and the bottom of the nut contacts the top side of the movable ring.

[0012] The utility model provides a connection structure of an electric steel pipe tower, which has the following beneficial effects:

[0013] When the utility model is in use, when the upper and lower steel pipe rods are plugged together, the connecting holes are connected to each other, and the end of the arc hole with a larger aperture is connected to the connecting hole. The lower connecting ring moves upward, so that the plugging column is plugged into the connecting hole and the arc hole, and the upper connecting frame is rotated, and the plugging column gradually moves to the end of the arc hole with a smaller aperture. The upper connecting frame is connected to the connecting groove, and the lower connecting ring is fixed by the upper connecting frame. The lower connecting ring cooperates with the upper connecting frame to fix the plugging position of the upper and lower steel pipe rods, making the connection position of the steel pipe rod more simple and time-saving.

[0014] In addition, when the column moves to the end with a smaller aperture of the arc-shaped hole, the upper guide hole moves to just above the lower plug hole, and the movable ring moves downward under the influence of the spring thrust, so that the bottom end of the locating pin is inserted into the lower plug hole, and the upper connecting frame is fixed by the movable ring to prevent the upper connecting frame from rotating in the opposite direction, thereby ensuring the firmness of the connection between the upper connecting frame and the lower connecting ring, thereby ensuring the fixing effect of the upper and lower steel pipe rod connection parts.

[0015] In addition, when the movable ring moves downward to the bottom, the stud passes through the through hole and connects the nut to the outside of the stud, so that the bottom of the nut is in close contact with the movable ring. The movable ring is fixed by the nut, which has a double fixing protection effect and ensures the safety and reliability of the connection structure.

[0016] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0018] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0019] In the attached picture:

[0020] Figure 1 It shows a schematic structural diagram of two steel pipe rods in the present application in a connected state;

[0021] Figure 2 It shows a schematic structural diagram of two steel pipe rods of the present application in a split state;

[0022] Figure 3 A schematic diagram of the connection structure between the steel pipe rod and the lower connecting ring of the present application is shown;

[0023] Figure 4 A schematic diagram of the disassembled structure of the steel pipe rod, the upper connecting frame and the movable ring of the present application is shown.

[0024] Reference numerals list

[0025] 1. Steel pipe rod; 101, connecting hole; 2. Lower connecting ring; 201, plug column; 2011, connecting groove; 202, lower plug hole; 3. Upper connecting frame; 301, arc hole; 302, upper guide hole; 303, stud; 4. movable ring; 401, positioning pin; 402, through hole; 5. spring; 6. nut. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of 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.

[0027] Example 1: Please refer to Figures 1 to 4 :

[0028] The utility model proposes a connection structure of an electric steel pipe pole tower, comprising: a steel pipe pole 1, a lower connecting ring 2, an upper connecting frame 3, an active ring 4 and a nut 6; a connecting end of the steel pipe pole 1 is provided with a connecting hole 101 in a surrounding shape, and the upper and lower steel pipe poles 1 are plugged together, and the connecting holes 101 provided on the upper and lower steel pipe poles 1 are connected to each other; the steel pipe pole 1 at the bottom is sleeved with a lower connecting ring 2, and the steel pipe pole 1 at the top is sleeved with an upper connecting frame 3 and an active ring 4, the lower connecting ring 2 is connected to the upper connecting frame 3, and the active ring 4 is connected to the lower connecting ring 2 and the upper connecting frame 3; two nuts 6 are connected to the top of the upper connecting frame 3; the top of the lower connecting ring 2 is provided with an insert column 201 in a surrounding shape, and the insert column 201 is inserted into the connecting holes 101 provided on the two steel pipe poles 1, and the bottom of the upper connecting frame 3 is provided with an arc hole 301 in a surrounding shape, and the arc hole 301 is connected to the connecting hole 101, and one end of the arc hole 301 The aperture is larger than the aperture of the other end, and the column 201 is inserted into the end of the arc hole 301 with a larger aperture; a connecting groove 2011 is provided on the outside of the column 201, and the column 201 is slidably connected to the arc hole 301, and the upper connecting frame 3 is slidably connected to the connecting groove 2011; when the upper and lower steel pipe rods 1 are plugged into each other, the connecting holes 101 are connected to each other, and the end with a larger aperture of the arc hole 301 is connected to the connecting hole 101, and the lower connecting ring 2 moves upward, so that the column 201 is inserted into the connecting hole 101 and the arc hole 301, and the upper connecting frame 3 is rotated, and the column 201 gradually moves to the end with a smaller aperture of the arc hole 301, and the upper connecting frame 3 is connected to the connecting groove 2011, and the lower connecting ring 2 is fixed by the upper connecting frame 3, and the lower connecting ring 2 cooperates with the upper connecting frame 3 to fix the plug-in part of the upper and lower steel pipe rods 1, making the connection part of the steel pipe rod 1 simpler and more time-saving.

[0029] In the embodiment of the present disclosure, lower plug holes 202 are provided at both ends of the lower connecting ring 2, upper guide holes 302 are provided at both ends of the upper connecting frame 3, and the upper guide holes 302 are located directly above the lower plug holes 202. Positioning pins 401 are provided at both ends of the bottom of the movable ring 4. The positioning pins 401 slide through the two upper guide holes 302, and the bottom ends of the positioning pins 401 are plugged into the lower plug holes 202. The positioning pins 401 provided on the movable ring 4 are externally sleeved with springs 5, and the top end of the springs 5 ​​is in contact with the upper connecting frame 3, and the bottom end of the springs 5 ​​is in contact with the positioning pins 401;

[0030] By adopting the above technical solution, when the column 201 moves to the end with a smaller aperture of the arc-shaped hole 301, the upper guide hole 302 moves to the top of the lower plug hole 202, and the movable ring 4 moves downward under the thrust of the spring 5, so that the bottom end of the positioning pin 401 is inserted into the lower plug hole 202, and the upper connecting frame 3 is fixed by the movable ring 4 to prevent the upper connecting frame 3 from rotating in the opposite direction, thereby ensuring the firmness of the connection between the upper connecting frame 3 and the lower connecting ring 2, thereby ensuring the fixing effect of the connection parts of the upper and lower steel pipe rods 1.

[0031] Embodiment 2, on the basis of embodiment 1, two studs 303 are arranged on the top of the upper connecting frame 3, two through holes 402 are arranged inside the movable ring 4, the studs 303 pass through the through holes 402, the nuts 6 are threadedly connected to the outside of the studs 303, and the bottom of the nuts 6 is in contact with the top side of the movable ring 4;

[0032] By adopting the above technical solution, when the movable ring 4 moves downward to the bottom, the stud 303 passes through the through hole 402, and the nut 6 is connected to the outside of the stud 303, so that the bottom of the nut 6 is in close contact with the movable ring 4, and the movable ring 4 is fixed by the nut 6, which has a double fixing protection effect and ensures the safety and reliability of the connection structure.

[0033] The working principle of this embodiment is as follows: first, the upper and lower steel pipe rods 1 are plugged together, the connecting holes 101 are connected to each other, the end of the arc hole 301 with a larger aperture is connected to the connecting hole 101, the lower connecting ring 2 moves upward, so that the plug column 201 is plugged into the connecting hole 101 and the arc hole 301, the upper connecting frame 3 is rotated, and the plug column 201 gradually moves to the end of the arc hole 301 with a smaller aperture, the upper connecting frame 3 is connected to the connecting groove 2011, and the lower connecting ring 2 is fixed by the upper connecting frame 3, and the lower connecting ring 2 cooperates with the upper connecting frame 3 to fix the plug-in parts of the upper and lower steel pipe rods 1; when the plug column 201 moves After reaching the end of the arc-shaped hole 301 with a smaller aperture, the upper guide hole 302 moves to the top of the lower plug hole 202, and the movable ring 4 moves downward under the thrust of the spring 5, so that the bottom end of the positioning pin 401 is inserted into the lower plug hole 202, and the upper connecting frame 3 is fixed by the movable ring 4 to prevent the upper connecting frame 3 from rotating in the opposite direction, thereby ensuring the firmness of the connection between the upper connecting frame 3 and the lower connecting ring 2; when the movable ring 4 moves downward to the bottom, the stud 303 passes through the through hole 402, and the nut 6 is connected to the outside of the stud 303, so that the bottom of the nut 6 is in close contact with the movable ring 4, and the movable ring 4 is fixed by the nut 6, thereby achieving a double fixing and protection effect.

[0034] In this article, there are a few points to note:

[0035] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0036] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0037] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A connection structure of a power steel pipe tower, comprising: A steel tube rod (1), a lower connecting ring (2), an upper connecting frame (3), a movable ring (4) and a nut (6); the connecting end of the steel tube rod (1) is provided with a connecting hole (101) in a circumferential shape, the upper and lower steel tube rods (1) are plugged into each other, and the connecting holes (101) provided on the upper and lower steel tube rods (1) are connected to each other; it is characterized in that the steel tube rod (1) at the bottom is sheathed with a lower connecting ring (2), and the steel tube rod (1) at the top is sheathed with an upper connecting frame (3) and a movable ring (4), the lower connecting ring (2) is connected to the upper connecting frame (3), and the movable ring (4) is connected to the lower connecting ring (2) and the upper connecting frame (3); the top of the upper connecting frame (3) is connected with two nuts (6).

2. The connection structure of a power steel pipe tower according to claim 1, characterized in that: The top of the lower connecting ring (2) is provided with an inserting column (201) in a circumferential shape, and the inserting column (201) is inserted into the connecting holes (101) provided in the two steel pipe rods (1). The bottom of the upper connecting frame (3) is provided with an arc-shaped hole (301) in a circumferential shape, and the arc-shaped hole (301) is connected to the connecting hole (101). The aperture of one end of the arc-shaped hole (301) is larger than the aperture of the other end, and the inserting column (201) is inserted into the end of the arc-shaped hole (301) with the larger aperture.

3. The connection structure of a power steel pipe tower according to claim 2, characterized in that: The plug post (201) is provided with a connecting groove (2011) on the outside, the plug post (201) is slidably connected in the arc-shaped hole (301), and the upper connecting frame (3) is slidably connected in the connecting groove (2011).

4. The connection structure of a power steel pipe tower according to claim 1, characterized in that: The lower connecting ring (2) is provided with lower plug holes (202) at both ends, and the upper connecting frame (3) is provided with upper guide holes (302) at both ends. The upper guide holes (302) are located directly above the lower plug holes (202).

5. The connection structure of a power steel pipe tower according to claim 4, characterized in that: Positioning pins (401) are provided at both ends of the bottom of the movable ring (4), the positioning pins (401) slide through the two upper guide holes (302), and the bottom end of the positioning pin (401) is inserted into the lower insertion hole (202).

6. The connection structure of a power steel pipe tower according to claim 5, characterized in that: A spring (5) is sleeved on the outside of the positioning pin (401) provided on the movable ring (4), the top end of the spring (5) is in contact with the upper connecting frame (3), and the bottom end of the spring (5) is in contact with the positioning pin (401).

7. The connection structure of a power steel pipe tower according to claim 1, characterized in that: Two studs (303) are arranged on the top of the upper connecting frame (3), two through holes (402) are arranged inside the movable ring (4), the studs (303) pass through the through holes (402), the nuts (6) are threadedly connected to the outside of the studs (303), and the bottom of the nut (6) contacts the top side of the movable ring (4).

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