Composite insulating cross arm convenient to install and fix
By designing a fastened composite insulated cross-bar that is easy to install and install, the combined structure of threaded rod and wind whistle is used to solve the cross-bar damage caused by bird erosion, achieving the effect of convenient installation and extending the service life of cross-bar.
Patent Information
- Application Number
- CN202420575060.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-25
AI Technical Summary
During the use of the cross-body, birds stand on the cross-body. The erosion of birds' excrement will cause damage to the cross-body, increase the number of failures and power outages, and cause safety hazards to the power grid operation.
A composite insulated cross-body that is convenient for installation and fixing is designed, including the crossbody body, metal tool, threaded rod, terminal and air whistle. The through-grooves of the metal tool are connected to the sockets, the threaded rods are adjusted through the through-grooves, the wiring terminals support the wires, and the wind whistle emits sounds through the through-holes that disturb the birds.
By adjusting the length of the threaded rod, it can be changed to the support height of the wiring terminal, which is easy to install and fix; the wind sound of the wind whistle can disturb birds, prevent birds from standing on the crossbar, extend the service life of the crossbar, and reduce the number of failures and power outages.
Smart Images

Figure CN222595692U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of power transmission engineering, in particular to a composite insulating cross arm which is convenient to install and fix. Background Art
[0002] Crossarms are one of the main components of overhead lines. At present, most of the crossarms used in single-circuit overhead lines are iron crossarms. Due to years of wind and rain, iron crossarms will corrode, age, and deform. If they are not replaced in time, the number of power outages will increase, causing safety hazards to the operation of the power grid. Therefore, they need to be replaced regularly.
[0003] When the crossarm is in use, birds may stand on it, and the bird excrement may erode and damage the crossarm.
[0004] Therefore, it is necessary to propose a composite insulating cross arm that is easy to install and fix to solve the above problems. Utility Model Content
[0005] The utility model aims to provide a composite insulating cross arm which is easy to install and fix, so as to solve the problem that during the use of the cross arm, birds may stand on the cross arm and the excrement of the birds may damage the cross arm.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a composite insulating crossarm that is easy to install and fix, comprising a crossarm body, both ends of the crossarm body are fixed with hardware, the outer ring in the middle of the crossarm body is connected to a fixing sleeve, one side of the two hardware fittings is provided with a through groove, the tops of the two hardware fittings are provided with a socket, the socket and the corresponding through groove are connected, a threaded rod is inserted into the inside of the two sockets, the bottom end of the threaded rod extends into the inside of the through groove, and the outer ring thread of the inserted end of the threaded rod is matched with a fixing nut, a through hole is provided at the bottom of the outer ring of the inserted end of the threaded rod, a wind whistle is installed inside the through hole, the top of the threaded rod is provided with a wiring terminal, and the top of the wiring terminal is provided with a wiring groove.
[0007] Preferably, the top end of the fixing nut is pressed against the top end of the through slot, and the wiring terminal is fixedly connected to the top end of the threaded rod.
[0008] Preferably, a connecting plate is fixed to one side of the fixing sleeve, a plurality of fixing plates are fixed to a side of the connecting plate away from the cross arm body, and a first semicircular fixing buckle is fixed to one side of each of the plurality of fixing plates.
[0009] Preferably, one side of the plurality of first semicircular fixing buckles is connected to a second semicircular fixing buckle, and the first semicircular fixing buckle and the corresponding second semicircular fixing buckle are connected via a fixing bolt.
[0010] Preferably, the outer side of the cross arm body is provided with two insulating shells, and the two insulating shells are respectively arranged on both sides of the fixing sleeve.
[0011] Preferably, the cross arm body is configured as a square rod.
[0012] Preferably, the two fittings are of the same height.
[0013] Technical effects and advantages of the utility model:
[0014] 1. In the actual operation of the utility model, the terminal can support the wires, and the height of the wires supported by the terminal can be changed by adjusting the length of the threaded rod extending into the through slot as needed, which is convenient for actual installation. The fixing nut plays a role in fixing the position of the threaded rod. At the same time, the wind whistle in the through hole can emit a sound when encountering wind, which can disturb birds and prevent birds from standing on the crossarm body. The through slot can facilitate the entry of the threaded rod to adjust the postpartum degree, and can also facilitate the entry of wind.
[0015] 2. In the actual operation of the present invention, the first semicircular fixing buckle and the corresponding second semicircular fixing buckle can be mounted on a utility pole or a line tower. By tightening the fixing bolts, the first semicircular fixing buckle and the corresponding second semicircular fixing buckle can be pressed against each other to complete the fixation, which is convenient for installation on utility poles of different radii. It is also convenient for later disassembly and replacement, making the installation more convenient and simple. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model is a structural schematic diagram of a composite insulating cross arm which is convenient for installation and fixation.
[0017] Figure 2 It is a schematic diagram of the internal structure of the hardware of the utility model.
[0018] In the figure: 1. Cross arm body; 2. Insulating shell; 3. Hardware; 4. Threaded rod; 5. Wiring terminal; 6. Wiring slot; 7. Fixing sleeve; 8. Connecting plate; 9. First semicircle fixing buckle; 10. Fixing plate; 11. Fixing nut; 12. Through slot; 13. Through hole; 14. Wind whistle; 15. Second semicircle fixing buckle; 16. Fixing bolt. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clarify the technical solutions in the embodiments of the utility model; it is completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. 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.
[0020] The utility model provides Figure 1-Figure 2 A composite insulating crossarm that is easy to install and fix is shown, including a crossarm body 1, both ends of the crossarm body 1 are fixed with hardware 3, the outer ring in the middle of the crossarm body 1 is connected with a fixing sleeve 7, the outer side of the crossarm body 1 is sleeved with two insulating shells 2, and the two insulating shells 2 are respectively arranged on both sides of the fixing sleeve 7. The insulating shells 2 can insulate and protect the outer side of the crossarm body 1 to prevent the crossarm body 1 from being damaged by electric current.
[0021] A connecting plate 8 is fixed to one side of the fixing sleeve 7, and a plurality of fixing plates 10 are fixed to one side of the connecting plate 8 away from the cross arm body 1, and a first semicircular fixing buckle 9 is fixed to one side of the plurality of fixing plates 10, and a second semicircular fixing buckle 15 is connected to one side of the plurality of first semicircular fixing buckles 9, and the first semicircular fixing buckle 9 and the corresponding second semicircular fixing buckle 15 are connected by fixing bolts 16. In the actual operation of the utility model, the first semicircular fixing buckle 9 and the corresponding second semicircular fixing buckle 15 can be sleeved on a pole or a tower, and the first semicircular fixing buckle 9 and the corresponding second semicircular fixing buckle 15 can be pressed together by tightening the fixing bolts 16 to complete the fixation, so as to facilitate installation on poles of different radii, and also facilitate disassembly and replacement at a later stage, so as to make the installation more convenient and simple.
[0022] The cross arm body 1 is configured as a square rod, and the two hardware fittings 3 are of the same height.
[0023] A through slot 12 is provided on one side of the two hardware fittings 3, and a socket is provided on the top of the two hardware fittings 3, which are connected to the corresponding through slot 12, and a threaded rod 4 is inserted into the two sockets, and the bottom end of the threaded rod 4 extends into the inside of the through slot 12, and the outer circle thread of the inserted end of the threaded rod 4 is matched with a fixing nut 11, and a through hole 13 is provided at the bottom of the outer circle of the inserted end of the threaded rod 4, and a wind whistle 14 is installed inside the through hole 13, and a wiring terminal 5 is provided at the top of the threaded rod 4, and a wiring slot 6 is provided at the top of the wiring terminal 5.
[0024] In the actual operation of the utility model, the terminal 5 can support the wires, and the height of the wires supported by the terminal 5 can be changed by adjusting the length of the threaded rod 4 extending into the through groove 12 as needed, which is convenient for actual installation. The fixing nut 11 plays a role in fixing the position of the threaded rod 4. At the same time, the wind whistle 14 in the through hole 13 can emit a sound when encountering wind, which can disturb birds and prevent birds from standing on the crossarm body 1. The through groove 12 can facilitate the entry of the threaded rod 4 to adjust the postpartum degree, and can also facilitate the entry of wind.
[0025] The top end of the fixing nut 11 is pressed against the top end of the through slot 12 , and the terminal 5 is fixedly connected to the top end of the threaded rod 4 .
[0026] Working principle: In the actual operation of the utility model, the first semicircular fixing buckle 9 and the corresponding second semicircular fixing buckle 15 can be sleeved on the electric pole or line tower. By tightening the fixing bolt 16, the first semicircular fixing buckle 9 and the corresponding second semicircular fixing buckle 15 can be pressed against each other to complete the fixation, which is convenient for installation on electric poles with different radii. It is also convenient for disassembly and replacement at the later stage, making the installation more convenient and simple.
[0027] In the actual operation of the utility model, the terminal 5 can support the wires, and the height of the wires supported by the terminal 5 can be changed by adjusting the length of the threaded rod 4 extending into the through groove 12 as needed, which is convenient for actual installation. The fixing nut 11 plays a role in fixing the position of the threaded rod 4. At the same time, the wind whistle 14 in the through hole 13 can emit a sound when encountering wind, which can disturb birds and prevent birds from standing on the crossarm body 1. The through groove 12 can facilitate the entry of the threaded rod 4 to adjust the postpartum degree, and can also facilitate the entry of wind.
Claims
1. A composite insulating cross arm that is easy to install and fix, comprising a cross arm body (1), characterized in that: Both ends of the cross arm body (1) are fixed with hardware (3), the outer ring in the middle of the cross arm body (1) is connected with a fixing sleeve (7), one side of the two hardware (3) is provided with a through groove (12), the top of the two hardware (3) is provided with a plug hole, the plug hole and the corresponding through groove (12) are connected, the inside of the two plug holes is inserted with a threaded rod (4), the bottom end of the threaded rod (4) extends into the inside of the through groove (12), and the outer ring of the inserted end of the threaded rod (4) is threaded with a fixing nut (11), the bottom of the outer ring of the inserted end of the threaded rod (4) is provided with a through hole (13), the inside of the through hole (13) is installed with a wind whistle (14), the top of the threaded rod (4) is provided with a wiring terminal (5), and the top of the wiring terminal (5) is provided with a wiring groove (6).
2. The composite insulating cross arm that is easy to install and fix according to claim 1, characterized in that: The top end of the fixing nut (11) is pressed tightly against the top end of the through slot (12), and the wiring terminal (5) is fixedly connected to the top end of the threaded rod (4).
3. The composite insulating cross arm that is easy to install and fix according to claim 1 is characterized in that: A connecting plate (8) is fixed to one side of the fixing sleeve (7), a plurality of fixing plates (10) are fixed to the side of the connecting plate (8) away from the cross arm body (1), and a first semicircular fixing buckle (9) is fixed to one side of each of the plurality of fixing plates (10).
4. The composite insulating cross arm that is easy to install and fix according to claim 3 is characterized in that: One side of the plurality of first semicircular fixing buckles (9) is connected to a second semicircular fixing buckle (15), and the first semicircular fixing buckle (9) and the corresponding second semicircular fixing buckle (15) are connected via a fixing bolt (16).
5. The composite insulating cross arm that is easy to install and fix according to claim 1 is characterized in that: Two insulating shells (2) are sleeved on the outer side of the cross arm body (1), and the two insulating shells (2) are respectively arranged on both sides of the fixing sleeve (7).
6. The composite insulating cross arm that is easy to install and fix according to claim 1, characterized in that: The cross arm body (1) is configured as a square rod.
7. The composite insulating cross arm that is easy to install and fix according to claim 1, characterized in that: The two hardware (3) are of the same height.