Damping type spacer for split power transmission line lead

Abstract

The utility model relates to the technical field of electric power installation, and discloses a damping type spacer of a split power transmission line lead, which comprises a connecting part and joining parts arranged at two ends of the connecting part, and the connecting part adopts a damping type structure and can provide certain buffer for the shaking of the lead so as to prevent the lead from being damaged. The connecting part is provided with a clamping area for clamping the wire, after the wire is clamped to the connecting part, when the wire vibrates due to external factors, the connecting part can pull the extension rod to move, so that the interval between the end plate and the buffer plate is adjusted, and after external acting force disappears, the extension rod can be pulled to move under the action of the spring, and the wire can be clamped. According to the lead clamping device, a progressive clamping structure is adopted, so that the lead clamping device can adapt to leads of various models, can adapt to local bending conditions of the leads, and can cope with more complex use environments.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power installation, in particular to a damping type spacer rod. Background Art

[0002] Spacers are usually installed between transmission lines to maintain the spacing between overhead wires. They can prevent wire contact due to wind swaying or other external forces. The main function of spacers is to control the spatial distance between the wires so that they can maintain a certain safe distance under various weather conditions, thereby ensuring the safe operation of the line.

[0003] Existing spacers are mostly installed by bolt locking, which takes a long time to install. In addition, some damping spacers have small axial motion buffer. Summary of the invention

[0004] In order to solve the deficiencies in the prior art, the purpose of the utility model is to provide a spacer rod that is easy to install, and which utilizes a progressive clamping structure, can adapt to various types of conductors, and can adapt to the situation of local bending of the conductors. The utility model also has a damping structure, which can provide sufficient axial motion buffering under complex meteorological conditions to improve the protection of the line.

[0005] In order to achieve the above technical objectives, the technical solution adopted by the present utility model is as follows.

[0006] A damping spacer rod for splitting a power transmission line conductor comprises a connecting portion and connecting portions arranged at both ends of the connecting portion, the connecting portion comprises a sleeve, one end of the sleeve is connected to an end cover, and the other end is connected to a bearing member, a screw rod is sleeved in the sleeve, the upper end of the screw rod is fixedly connected to a pressing piece, the screw rod is provided with a guide groove arranged along its axis, the sleeve is provided with a guide protrusion matching the guide groove, the end cover of the sleeve is rotatably connected to a rotating nut, and the rotating nut is threadedly connected to the screw rod.

[0007] Compared with the prior art, the spacer rod adopted by the utility model utilizes a screw rod to pull the pressing part to move, thereby controlling the interval between the pressing part and the supporting part, so as to achieve clamping of the wire. An inclined guiding bearing section is provided on the supporting part. The guiding bearing section can push the flip pressing section provided on the pressing part to deflect at a small angle, so as to achieve a gradual narrowing of the clamping area. It can adapt to various types of wires and can adapt to the bending area of ​​the wire.

[0008] A further improvement of the above technical solution is that the bearing member includes a horizontal bearing section fixedly connected to the sleeve, one end of the horizontal bearing section is connected to a vertical bearing section perpendicular to it, and the other end is connected to a guide bearing section, and the area formed between the vertical bearing section, the horizontal bearing section and the guide bearing section is used to accommodate the press-fit part.

[0009] For further improvement, the guide bearing section is arranged obliquely.

[0010] Further optimization of the above technical solution, the pressing part includes a lower pressing section fixedly connected to the screw rod, one end of the lower pressing section is connected to a vertical pressing section perpendicular to it, the upper end of the vertical pressing section is connected to an upper pressing section perpendicular to it, the upper pressing section is rotatably connected to a flip pressing section, and the vertical pressing section, the upper pressing section, the flip pressing section, and the lower pressing section enclose a clamping area for clamping the wire.

[0011] Further improvement is made, the guiding bearing section can push the flipping pressing section to deflect and realize the gradual narrowing of the clamping area.

[0012] A further optimization of the above technical solution is that the connecting part includes an intermediate rod, both ends of the intermediate rod are respectively fixedly provided with end plates, the connecting part is connected to an extension rod slidably connected to the end plates, and the extension rod is also fixedly connected to a buffer plate sleeved on the intermediate rod.

[0013] As a further improvement, a spring sleeved on the middle rod is provided between the end plate and the buffer plate, and the elastic force provided by the spring is used to push the end plate and the buffer plate to separate.

[0014] A further improvement is that the middle rod is provided with threads and the threads are matched with a constraining nut.

[0015] As a further improvement, the suspension end of the extension rod is provided with a threaded section, the end cover of the connecting part is sleeved on the threaded section, and a fixing nut for fixing the connecting part is provided on the threaded section. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structure diagram of the utility model is as follows:

[0017] Figure 2 It is a schematic diagram of the structure in which the intermediate rod, end plate and restraining nut match each other.

[0018] Figure 3 It is a schematic diagram of the structure in which the sleeve, the bearing part and the pressing part match each other.

[0019] Figure 4 It is a schematic diagram of the structure that guides the matching of the bearing section and the flipping and pressing section.

[0020] Figure 5 It is a schematic diagram of the structure in which the flip pressing section opens outward.

[0021] The symbols in the figure are:

[0022] 10-connecting part; 11-middle rod; 12-end plate; 13-constraint nut; 14-buffer plate; 15-spring; 16-extension rod;

[0023] 20-connecting part; 21-sleeve; 22-screw rod;

[0024] 30-bearing member; 31-vertical bearing section; 32-horizontal bearing section; 33-guide bearing section;

[0025] 40 - pressing piece; 41 - vertical pressing section; 42 - upper pressing section; 43 - flip pressing section; 44 - lower pressing section. DETAILED DESCRIPTION

[0026] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the present invention.

[0027] like Figure 1 As shown, a damping spacer for splitting transmission line conductors is used for splitting between conductors to provide protection for electricity safety. It includes a connecting portion 10 and connecting portions 20 arranged at both ends of the connecting portion 10. The connecting portion 10 provided by the utility model adopts a damping structure, which can provide a certain buffer for the jitter of the conductor, and a clamping area for clamping the conductor is provided on the connecting portion 20.

[0028] like Figure 2 , 3 As shown, the connecting portion 10 includes an intermediate rod 11, and end plates 12 are fixedly provided at both ends of the intermediate rod 11. The connecting portion 20 is connected to an extension rod 16 that is slidably connected to the end plate 12. The extension rod 16 is also fixedly connected to a buffer plate 14 that is sleeved on the intermediate rod 11. A spring 15 that is sleeved on the intermediate rod 11 is provided between the end plate 12 and the buffer plate 14. The elastic force provided by the spring 15 is used to push the end plate 12 and the buffer plate 14 to separate.

[0029] More specifically, the intermediate rod 11 is provided with a thread and the thread is matched with a constraining nut 13 ; the constraining thread 13 can be rotated to control the interval between the end plate 12 and the buffer plate 14 , and the elastic force of the spring 15 can be adjusted accordingly.

[0030] After the wire is clamped in the connecting part 20, when the wire vibrates due to external factors, the connecting part 20 will pull the extension rod 16 to move, thereby adjusting the distance between the end plate 12 and the buffer plate 14. When the external force disappears, under the action of the spring 15, the buffer plate 14 is reset again and abuts against the constraint nut 13.

[0031] When installing the spacer rods, practical comprehensive factors need to be considered, such as installation errors, wire bending amplitude, etc. The spacing between the wires may vary in different amplitudes. To adapt to this situation, the utility model is also designed with a fine-tuning structure.

[0032] like Figure 2 As shown, the suspended end of the extension rod 16 is provided with a threaded section, the connecting portion 20 is sleeved on the threaded section, and a fixing nut for fixing the connecting portion 20 is provided on the threaded section; specifically, two fixing nuts are provided and the connecting portion 20 is provided between the two fixing nuts, and the interval between the connecting portion 20 and the end plate 12 is controlled by adjusting the positions of the two fixing nuts, thereby realizing the overall length adjustment of the spacer rod.

[0033] like Figure 3 As shown, the connecting portion 20 includes a sleeve 21, one end of the sleeve 21 is connected to an end cap, and the other end is connected to a bearing member 30, the end cap is connected to the threaded section of the extension rod 16, a screw rod 22 is sleeved in the sleeve 21, and a pressing member 40 is fixedly connected to the upper end of the screw rod 22, a guide groove arranged along its axis is provided on the screw rod 22, and a guide protrusion matching the guide groove is provided in the sleeve 21, a rotating nut is rotatably connected to the end cap of the sleeve 21, and the rotating nut is threadedly connected to the screw rod, and by applying a rotational force to the rotating nut, the screw rod can be driven to move along its axial direction, so as to adjust and control the interval between the bearing member 30 and the pressing member 40.

[0034] The space formed between the carrier 30 and the pressing member 40 is the wire clamping area. The utility model adopts a progressive clamping structure, which can adapt to various types of wires and local bending conditions of the wires, and can cope with more complex usage environments.

[0035] like Figure 4 , 5As shown, the bearing member 30 includes a horizontal bearing section 32 fixedly connected to the sleeve 21, one end of the horizontal bearing section 32 is connected to a vertical bearing section 31 perpendicular to it, and the other end is connected to a guide bearing section 33 arranged obliquely, the pressing member 40 includes a lower pressing section 44 fixedly connected to the screw rod 22, one end of the lower pressing section 44 is connected to a vertical pressing section 41 perpendicular to it, the upper end of the vertical pressing section 41 is connected to an upper pressing section 42 perpendicular to it, and the upper pressing section 42 is rotatably connected to a flip pressing section 43, the area formed by the vertical bearing section 31, the horizontal bearing section 32, and the guiding bearing section 33 is used to accommodate the pressing member 40, the vertical pressing section 41, the upper pressing section 42, the flip pressing section 43, and the lower pressing section are enclosed to form a clamping area for clamping the wire, the guiding bearing section 33 can push the flip pressing section 43 to deflect, and realize the gradual narrowing of the clamping area to realize the constrained clamping of the wire.

[0036] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention; various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined in the present invention may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but shall conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A damping spacer rod, comprising a connecting portion (10), and connecting portions (20) arranged at both ends of the connecting portion (10), characterized in that: The connecting portion (20) comprises a sleeve (21), one end of the sleeve (21) is connected to an end cap, and the other end is connected to a bearing member (30), a screw rod (22) is sleeved in the sleeve (21), an upper end of the screw rod (22) is fixedly connected to a pressing member (40), a guide groove arranged along the axis of the screw rod (22) is provided on the screw rod (22), a guide protrusion matching the guide groove is provided in the sleeve (21), a rotating nut is rotatably connected to the end cap of the sleeve (21), and the rotating nut is threadedly connected to the screw rod.

2. The damping spacer according to claim 1, characterized in that: The bearing member (30) comprises a horizontal bearing section (32) fixedly connected to the sleeve (21); one end of the horizontal bearing section (32) is connected to a vertical bearing section (31) perpendicular thereto, and the other end is connected to a guide bearing section (33); an area formed between the vertical bearing section (31), the horizontal bearing section (32) and the guide bearing section (33) is used to accommodate a press-fitting member (40).

3. The damping spacer according to claim 2, characterized in that: The guide bearing section (33) is arranged in an inclined manner.

4. The damping spacer according to claim 3, characterized in that: The pressing member (40) comprises a lower pressing section (44) fixedly connected to the lead screw (22); one end of the lower pressing section (44) is connected to a vertical pressing section (41) perpendicular to the lower pressing section; the upper end of the vertical pressing section (41) is connected to an upper pressing section (42) perpendicular to the lower pressing section; the upper pressing section (42) is rotatably connected to a flip pressing section (43); the vertical pressing section (41), the upper pressing section (42), the flip pressing section (43) and the lower pressing section enclose a clamping area for clamping a wire.

5. The damping spacer according to claim 4, characterized in that: The guide bearing section (33) can push the flipping and pressing section (43) to deflect, thereby achieving a gradual narrowing of the clamping area.

6. The damping spacer according to any one of claims 1 to 5, characterized in that: The connecting portion (10) comprises an intermediate rod (11), end plates (12) are fixedly provided at both ends of the intermediate rod (11), the connecting portion (20) is connected to an extension rod (16) slidably connected to the end plates (12), and the extension rod (16) is also fixedly connected to a buffer plate (14) sleeved on the intermediate rod (11).

7. The damping spacer according to claim 6, characterized in that: A spring (15) sleeved on the middle rod (11) is provided between the end plate (12) and the buffer plate (14), and the elastic force provided by the spring (15) is used to push the end plate (12) and the buffer plate (14) to separate.

8. The damping spacer according to claim 7, characterized in that: The middle rod (11) is provided with threads, and the threads are matched with a restraining nut (13).

9. The damping spacer according to claim 7, characterized in that: The suspended end of the extension rod (16) is provided with a threaded section, the end cover of the connecting portion (20) is sleeved on the threaded section, and a fixing nut for fixing the connecting portion (20) is provided on the threaded section.

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