A lightning arrester mounting device based on a single cross arm

Abstract

The utility model discloses a kind of lightning arrester mounting devices based on single cross arm, belong to lightning arrester installation technical field, comprising: support assembly, with lightning arrester detachably connected, and the support assembly is connected with the insulating pole of outside to be held to cross arm place with lightning arrester;Hanging plate, with the lightning arrester be connected, the horizontal section of the cross arm can be inserted into the opening of hanging plate, so that lightning arrester with the cross arm is initially connected;Pressing plate, the first screw rod is movably connected at the pressing plate, and the first screw rod is screw-connected with the hanging plate;The device utilizes detachable connection of support assembly and lightning arrester, so that staff can install lightning arrester in low place, when lightning arrester is initially hung on cross arm, the locking of drain wire clamp and hanging assembly can be completed by the rotocylinder set, so as to facilitate the installation of lightning arrester, improve the installation efficiency of lightning arrester.

Description

Technical Field

[0001] This utility model relates to the field of surge arrester installation technology, and in particular to a surge arrester installation device based on a single crossarm. Background Technology

[0002] Overhead power distribution lines (commonly utility poles) in power grid systems are highly susceptible to lightning strikes, which can cause power accidents. Therefore, installing surge arresters on overhead power distribution lines is a common and effective protective measure. During a lightning strike, the instantaneous high-voltage current on the overhead power distribution line flows through the surge arrester and into the ground, thus protecting the insulators from breakdown and damage.

[0003] Traditionally, installing surge arresters requires workers to access the crossarm using elevated equipment and manually position, align, and secure the arrester. Due to limited installation space and the arrester's weight and size, precise alignment is difficult for a single person and usually requires multiple people working together. Furthermore, a reliable connection to the overhead line must be established simultaneously during installation. In this traditional method, workers must simultaneously secure the arrester and connect it to the line at height, resulting in limited operating space and significant operational difficulty.

[0004] Therefore, it is necessary to provide a surge arrester installation device based on a single crossarm to solve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of this utility model is to provide a surge arrester installation device based on a single crossarm to solve the technical problems mentioned in the background art.

[0006] Based on the above ideas, this utility model provides the following technical solution: a surge arrester installation device based on a single crossarm, comprising: A support assembly is detachably connected to the surge arrester, and the support assembly is connected to an external insulating rod to lift the surge arrester to the crossarm; A mounting plate is connected to the surge arrester, and the horizontal section of the crossarm can be inserted into the opening of the mounting plate, so that the surge arrester is initially connected to the crossarm. A pressure plate is provided, and a first screw is movably connected to the pressure plate. The first screw is threadedly connected to the hanging plate. During the rotation of the first screw, the pressure plate can approach the hanging plate. When the vertical section of the crossbeam is inserted into the snap-fit ​​part of the pressure plate, the crossbeam is locked between the hanging plate and the pressure plate.

[0007] As a further embodiment of this utility model: the support assembly includes a housing and a support base disposed on one side of the housing, and the surge arrester can be placed on the support base.

[0008] As a further embodiment of this utility model: one end of the surge arrester is provided with a drain clamp that is connected to an external line. The drain clamp includes a fixed clamp and a movable clamp that slides on one side of the fixed clamp. A boss is integrally formed on one side of the fixed clamp. A second screw that rotates with the movable clamp passes through the boss and is threadedly connected to the boss.

[0009] As a further embodiment of this utility model: a rotating cylinder is provided at the support component, and the rotating cylinder is used to drive the first screw or the second screw to rotate.

[0010] As a further embodiment of this utility model: one end of the rotary cylinder is recessed inward to form a limiting part, and one end of the first screw and the second screw are each provided with a limiting member that is inserted into the limiting part.

[0011] As a further embodiment of this utility model: the limiting part is a strip-shaped groove, the limiting member at the first screw is a first pull ring, and the limiting member at the second screw is a second pull ring.

[0012] As a further embodiment of this utility model: a clamping assembly is provided at the housing, the clamping assembly including two sets of clamping arms, which can clamp or release the surge arrester by the relative rotation of the two sets of clamping arms.

[0013] As a further embodiment of this utility model: a pin shaft rotatably connected to the housing passes through the clamping arm and is fixed to the clamping arm; a second motor for driving the clamping arm to rotate is installed inside the housing; the output shaft of the second motor is connected to one of the pin shafts; and meshing transmission teeth are provided on the circumferential surfaces of the two clamping arms.

[0014] As a further embodiment of this utility model: the sides of the fixed clamp and the movable clamp that are opposite each other both extend outward to form protrusions.

[0015] As a further embodiment of this utility model: the pressure plate is provided with a sliding groove for the first screw to slide, and the first pull ring is provided with a columnar extrusion part, the diameter of the extrusion part is larger than the width of the sliding groove, and the extrusion part is located on the side of the pressure plate away from the hanging plate.

[0016] Compared with the prior art, the beneficial effects of this utility model are: the device utilizes the detachable connection between the support component and the surge arrester, allowing workers to install the surge arrester at a low position. After the surge arrester is initially attached to the crossarm, the set rotating cylinder can smoothly lock the current clamp and the attachment component, thereby facilitating the installation of the surge arrester and improving the installation efficiency of the surge arrester. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1This is a diagram illustrating the application scenario of this utility model; Figure 2 This is a schematic diagram of the connection between the mounting component and the crossarm of this utility model; Figure 3 This is a schematic diagram of the drain wire clamp structure of this utility model; Figure 4 This is a schematic diagram of the internal structure of the shell of this utility model; Figure 5 This is a schematic diagram of the hanging component structure of this utility model; Figure 6 This is a schematic diagram of the clamping component structure of this utility model; Figure 7 This is a distribution diagram of the multiple clamping arms of this utility model.

[0019] In the diagram: 1. Surge arrester; 2. Housing; 3. Rotary cylinder; 301. Slot; 4. Drain clamp; 401. Fixing clamp; 402. Boss; 403. Moving clamp; 404. Protrusion; 405. Second screw; 4051. Second pull ring; 5. Hanging assembly; 501. Hanging plate; 5011. Opening; 502. Pressure plate; 5021. Slide groove; 5022. Snap-fit ​​part; 6. Crossarm; 7. First screw; 701. First pull ring; 7011. Pressing part; 8. Clamping arm; 801. Pin; 802. Transmission gear; 9. First motor; 10. Power supply; 11. Second motor; 12. Support base; 1201. Recess. Detailed Implementation

[0020] like Figures 1-7 As shown, a surge arrester installation device based on a single crossarm is mainly used to conveniently and safely install surge arrester 1 in applications such as... Figure 1 On the crossarm 6 of the utility pole a shown; including the mounting assembly 5 fixedly connected to the surge arrester 1, see reference. Figure 1 As shown, the mounting assembly 5 is used to attach the surge arrester 1 to the crossarm 6 on one side of the utility pole a. During actual installation, the surge arrester 1 is supported by a support assembly, which is connected to an external insulating rod. This facilitates raising the surge arrester 1 to the crossarm 6, allowing the mounting assembly 5 to make an initial connection with the crossarm 6. A current-carrying clamp 4 is connected to the end of the surge arrester 1 furthest from the mounting assembly 5. The current-carrying clamp 4 is used to connect to external power lines. After the mounting assembly 5 is initially connected to the crossarm 6, the support assembly is separated from the surge arrester 1, and the current-carrying clamp 4 is locked to the external power line via the support assembly.

[0021] The crossarm 6 is L-shaped, and the mounting assembly 5 includes a mounting plate 501 that can engage with the horizontal section of the crossarm 6. Figures 3-5As shown, the mounting plate 501 has a J-shaped structure, with an opening 5011 at the end furthest from the surge arrester 1. During installation, the mounting plate 501 is placed at the horizontal section of the crossarm 6, so that one side of the horizontal section of the crossarm 6 is engaged with the opening 5011, thus completing the initial connection between the surge arrester 1 and the crossarm 6. Furthermore, a pressure plate 502 is provided below the mounting plate 501, as shown in the figure. Figure 5 As shown, the end of the pressure plate 502 furthest from the surge arrester 1 is configured with a hook-shaped snap-fit ​​part 5022, combined with... Figure 2 As shown, at least two sets of first screws 7 are arranged at the pressure plate 502. The first screws 7 pass through the hanging plate 501 and are threadedly connected to the hanging plate 501. The pressure plate 502 can move relative to the first screws 7 in a direction parallel to the length of the hanging plate 501. When one side of the horizontal section of the crossarm 6 is inserted into the opening 5011, it drives the first screws 7 to rotate, pressing the pressure plate 502 closer to the hanging plate 501, so that the vertical section of the crossarm 6 can be inserted into the locking part 5022. When the horizontal section of the crossarm 6 is inserted into the opening 5011 of the hanging plate 501, and the vertical section of the crossarm 6 is inserted into the locking part 5022, the crossarm 6 is locked with the hanging assembly 5, and the surge arrester 1 is also completely fixed at the crossarm 6.

[0022] Combination Figures 1-3 As shown, the drain clamp 4 includes a "J"-shaped fixed clamp 401 and a movable clamp 403 that slides with the fixed clamp 401. The opposite sides of both the fixed clamp 401 and the movable clamp 403 extend outwards to form protrusions 404, which facilitates fixing the cable between the movable clamp 403 and the fixed clamp 401. To move the movable clamp 403, a second screw 405 is provided on the side of the movable clamp 403 away from the protrusions 404. The second screw 405 and the movable clamp 403 are rotatably engaged via a bearing. A boss 402 is integrally formed on the side of the fixed clamp 401, allowing the second screw 405 to pass through the boss 402 and be threadedly connected to it. Because the movable clamp 403 fits snugly against the sidewall of the fixed clamp 401, rotation of the movable clamp 403 is prevented. During the rotation of the second screw 405, the movable clamp 403 can be moved relative to the fixed clamp 401, thus facilitating the clamping of the drain clamp 4 onto the external cable.

[0023] Combination Figures 3-7 As shown, the support assembly includes a housing 2 and a support base 12 disposed on one side of the housing 2. The support base 12 is fixed to the housing 2, and the top of the support base 12 is recessed inward to form a recess 1201, so that the bottom end of the surge arrester 1 can fall into the recess 1201. The bottom of the recess 1201 has a slot, so that the fixing member installed between the surge arrester 1 and the mounting plate 501 can pass through the slot.

[0024] A clamping assembly is provided on one side of the housing 2, which is used to fix the surge arrester 1. Specifically, the clamping assembly includes two sets of clamping arms 8, as shown in the figure. Figure 6 As shown, a pin 801 rotatably connected to the housing 2 passes through and is fixed to the clamping arm 8, allowing the clamping arm 8 to rotate around the axis of the pin 801. A second motor 11 for driving the clamping arm 8 to rotate is installed inside the housing 2. The output shaft of the second motor 11 is connected to one of the pins 801, and meshing transmission teeth 802 are provided on the circumferential surfaces of the two clamping arms 8. In this way, when the second motor 11 drives one clamping arm 8 to rotate, the meshing of the transmission teeth 802 can drive the other clamping arm 8 to move relative to it, thereby clamping the surge arrester 1. The cooperation between the support base 12 and the clamping assembly further improves the stability of clamping the surge arrester 1. Of course, in actual use, multiple sets of clamping arms 8, as shown in Figure 7, can also be set to improve the stability of clamping the surge arrester 1.

[0025] A first motor 9 is installed inside the housing 2, and the output end of the first motor 9 is connected to a rotating cylinder 3. (Combined) Figures 2-6 As shown, a limiting part is provided on the top end face of the rotating cylinder 3 to drive the first screw 7 or the second screw 405 to rotate. The limiting part is a strip-shaped groove 301, and one end of the first screw 7 and the second screw 405 is provided with a limiting member that cooperates with the limiting part. Specifically, the first limiting member at the first screw 7 is a first pull ring 701, and the limiting member at the second screw 405 is a second pull ring 4051. When the first pull ring 701 or the second pull ring 4051 is inserted into the groove 301, the rotating cylinder 3 can drive the first screw 7 or the second screw 405 to rotate.

[0026] In summary, during installation, the second pull ring 4051 at the drain clamp 4 is inserted into the slot 301 at the end of the rotary cylinder 3. After the hanging plate 501 at the mounting assembly 5 and the crossarm 6 are initially locked, the support assembly is disengaged from the surge arrester 1. The position of the insulating rod is adjusted so that the line is located between the movable clamp 403 and the fixed clamp 401. The first motor 9 inside the housing 2 drives the rotary cylinder 3 to rotate. The cooperation between the second pull ring 4051 and the slot 301 drives the second screw 405 to rotate, thereby driving the movable clamp 403 to move and clamp the line. Then, the slot 301 on the rotary cylinder 3 is aligned with the first pull ring 701 at the first screw 7. When the first pull ring 701 is inserted into the slot 301, the rotation of the rotary cylinder 3 drives the pressure plate 502 to move upward, so that the mounting assembly 5 and the crossarm 6 are completely locked. The device utilizes the detachable connection between the support component and the surge arrester 1. After the surge arrester 1 is initially attached to the crossarm 6, it can lock the current clamp 4 and the attachment component 5, thereby facilitating the installation of the surge arrester 1 and improving the installation efficiency of the surge arrester 1.

[0027] Combination Figure 2 As shown, the pressure plate 502 is provided with a sliding groove 5021 for the first screw 7 to slide. The sliding groove 5021 facilitates the adjustment of the position of the pressure plate 502 relative to the hanging plate 501. The first pull ring 701 is provided with a columnar pressing part 7011. The diameter of the pressing part 7011 is larger than the width of the sliding groove 5021, and the pressing part 7011 is located on the side of the pressure plate 502 away from the hanging plate 501. When the horizontal section of the crossarm 6 is inserted into the opening 5011, during the rotation of the first screw 7, the pressing part 7011 can drive the pressure plate 502 closer to the hanging plate 501, thereby locking the crossarm 6 and the hanging assembly 5.

[0028] from Figure 3 As can be seen, a spring is sleeved on the outside of the second screw 405, and the spring is located between the boss 402 and the movable clamp 403, which is conducive to the stable movement of the movable clamp 403.

[0029] Reference Figure 4 As shown, a power supply 10 is installed inside the housing 2, which is beneficial for supplying power to the first motor 9, the second motor 11, and related controllers.

[0030] The above-disclosed examples are merely preferred embodiments of this application, intended to facilitate understanding and implementation by those skilled in the art. However, they cannot be used to limit the scope of this application. Therefore, equivalent variations made within the scope of this application are still within the scope of this application.

Claims

1. A surge arrester installation device based on a single crossarm, characterized in that, include: A support assembly is detachably connected to the surge arrester (1), and the support assembly is connected to an external insulating rod to lift the surge arrester (1) to the crossarm (6); The mounting plate (501) is connected to the surge arrester (1), and the horizontal section of the crossarm (6) can be inserted into the opening (5011) of the mounting plate (501), so that the surge arrester (1) and the crossarm (6) are initially connected. A pressure plate (502) is movably connected to a first screw (7), and the first screw (7) is threadedly connected to the hanging plate (501). During the rotation of the first screw (7), the pressure plate (502) can approach the hanging plate (501). When the vertical section of the crossbeam (6) is inserted into the snap-fit ​​part (5022) of the pressure plate (502), the crossbeam (6) is locked between the hanging plate (501) and the pressure plate (502).

2. The surge arrester installation device based on a single crossarm according to claim 1, characterized in that: The support assembly includes a housing (2) and a support base (12) disposed on one side of the housing (2), and the surge arrester (1) can be placed on the support base (12).

3. The surge arrester installation device based on a single crossarm according to claim 1, characterized in that: The surge arrester (1) is provided with a drain clamp (4) at one end for connection to an external line. The drain clamp (4) includes a fixed clamp (401) and a movable clamp (403) that slides on one side of the fixed clamp (401). A boss (402) is integrally formed on one side of the fixed clamp (401). A second screw (405) that rotates with the movable clamp (403) passes through the boss (402) and is threadedly connected to the boss (402).

4. The surge arrester installation device based on a single crossarm according to claim 3, characterized in that: A rotating cylinder (3) is provided at the support assembly, which is used to drive the first screw (7) or the second screw (405) to rotate.

5. The surge arrester installation device based on a single crossarm according to claim 4, characterized in that: One end of the rotary cylinder (3) is recessed inward to form a limiting part, and one end of the first screw (7) and the second screw (405) is provided with a limiting member that is inserted into the limiting part.

6. The surge arrester installation device based on a single crossarm according to claim 5, characterized in that: The limiting part is a strip-shaped groove (301), the limiting member at the first screw (7) is the first pull ring (701), and the limiting member at the second screw (405) is the second pull ring (4051).

7. A surge arrester installation device based on a single crossarm according to claim 2, characterized in that: A clamping assembly is provided at the housing (2). The clamping assembly includes two sets of clamping arms (8). The lightning arrester (1) can be clamped or released by the relative rotation of the two sets of clamping arms (8).

8. A surge arrester installation device based on a single crossarm according to claim 7, characterized in that: A pin (801) rotatably connected to the housing (2) passes through the clamping arm (8) and is fixed to the clamping arm (8). A second motor (11) for driving the clamping arm (8) to rotate is installed inside the housing (2). The output shaft of the second motor (11) is connected to one of the pins (801). The two clamping arms (8) are provided with meshing transmission teeth (802) on their circumferential surfaces.

9. A surge arrester installation device based on a single crossarm according to claim 3, characterized in that: The fixed clamp (401) and the movable clamp (403) both extend outward to form protrusions (404).

10. A surge arrester installation device based on a single crossarm according to claim 6, characterized in that: The pressure plate (502) is provided with a groove (5021) for the first screw (7) to slide. The first pull ring (701) is provided with a columnar extrusion part (7011). The diameter of the extrusion part (7011) is greater than the width of the groove (5021), and the extrusion part (7011) is located on the side of the pressure plate (502) away from the hanging plate (501).

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