Self-cleaning lightning arrester for transformer substation

Abstract

The self-cleaning lightning arrester comprises a lightning arrester body and a cleaning mechanism, the cleaning mechanism is arranged on the front face of the lightning arrester body, the cleaning mechanism comprises a brush cylinder, the brush cylinder is arranged on the front face of the lightning arrester body, the inner wall of the brush cylinder is fixedly connected with a connecting rod, the surface of the connecting rod is fixedly connected with a driving gear, and the surface of the connecting rod is fixedly connected with a transmission shaft. The top and the bottom of the front face of the connecting rod are movably connected with connecting plates through bearings, a driving mechanism is arranged on the front face of the brush cylinder and comprises a double-shaft motor, the output end of the bottom of the double-shaft motor is fixedly connected with a threaded rod, and the surface of the threaded rod is movably connected with the inner walls of the connecting plates through bearings. When the self-cleaning lightning arrester is used, under the action of the cleaning mechanism, the driving mechanism, the transmission mechanism and the rotating mechanism, the lightning arrester can be self-cleaned, the time and labor consumption caused by manual cleaning due to the fact that an existing lightning arrester is not provided with an additional cleaning mechanism is avoided, and the self-cleaning lightning arrester has the advantage of self-cleaning.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer substation lightning arresters, in particular to a self-cleaning lightning arrester for a transformer substation. Background Art

[0002] Substation lightning arrester is an important electrical device, which is mainly used to protect substations and their distribution systems from lightning and overvoltage.

[0003] For example, the patent application number of the China Patent Network is: 202021630267.6, which discloses a substation lightning arrester fixing auxiliary device, and its technical solution is: including a support seat, a fixing part, a fixing device, a cross bar shoulder frame, a bracket and a lightning arrester, the front and rear ends of the support seat are fixedly installed with the fixing part by bolts, the upper end of the support seat is clamped with the cross bar shoulder frame, the lower end of the cross bar shoulder frame is fixedly installed with the fixing device, the top of the cross bar shoulder frame is clamped with the bracket, the upper end of the bracket is fixedly installed with the lightning arrester by bolts, the support rod is fixedly installed inside the fixing part by an axle pin, and the support rod port is fixedly installed on the cross bar through the fixing device. At the lower end of the rod shoulder frame, the fixing device includes a clamping rod, a hollow bolt and a limit sleeve, and the clamping rod is fixedly installed on the upper end of the support rod. The beneficial effects of the utility model are: auxiliary fixing frame parts, enhanced fixation, and ensuring the horizontality of the cross bar shoulder frame. The utility model does not have an additional self-cleaning structure, which causes the lightning arrester to be exposed to the outdoors for a long time during use, and the surface is easily eroded by natural environment such as wind, rain, dust, etc. If it is not cleaned in time, the dirt or impurities may form a conductive path, causing the lightning arrester to short-circuit or be damaged during normal operation. Manual cleaning is too time-consuming and labor-intensive, thereby increasing cleaning time and reducing work efficiency.

[0004] Usually, during the use of substation lightning arresters, the existing substation lightning arresters are exposed to the outdoors for a long time during use, and the surface is easily eroded by natural environments such as wind, rain, dust, etc. If they are not cleaned in time, the dirt or impurities may form a conductive path, causing the lightning arrester to short-circuit or be damaged during normal operation. Manual cleaning is too time-consuming and labor-intensive, which increases cleaning time and reduces work efficiency.

[0005] Therefore, it is necessary to design and modify the self-cleaning lightning arrester used in substations to effectively prevent the time-consuming and labor-intensive manual cleaning. Utility Model Content

[0006] In order to solve the problems raised in the above background technology, the purpose of the present invention is to provide a self-cleaning lightning arrester for substations, which has the advantage of self-cleaning and solves the problem of time-consuming and labor-intensive manual cleaning.

[0007] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a self-cleaning lightning arrester for a substation, comprising a lightning arrester and a cleaning mechanism, the cleaning mechanism being arranged on the front of the lightning arrester, the cleaning mechanism comprising a brush cylinder, the brush cylinder being arranged on the front of the lightning arrester, the inner wall of the brush cylinder being fixedly connected to a connecting rod, the surface of the connecting rod being fixedly connected to a driving gear, the top and bottom of the front of the connecting rod being movably connected to a connecting plate through a bearing, and a driving mechanism being arranged on the front of the brush cylinder.

[0008] As a preferred embodiment of the present invention, the driving mechanism includes a dual-axis motor, the bottom output end of the dual-axis motor is fixedly connected to a screw, the surface of the screw is movably connected to the inner wall of the connecting plate through a bearing, the surface of the screw is threadedly connected to a fixed cylinder, the inner wall of the fixed cylinder is movably connected to the surface of the lightning arrester through a bearing, the front of the dual-axis motor is fixedly connected to a sliding plate, the bottom of the sliding plate passes through the bottom of the fixed cylinder, the surface of the sliding plate is slidably connected to the inner wall of the fixed cylinder, the surface of the top output end of the dual-axis motor is movably connected to the inner wall of the connecting plate through a bearing, and a transmission mechanism is provided on the top of the dual-axis motor.

[0009] As a preferred embodiment of the present invention, the transmission mechanism includes a transmission wheel, the inner wall of the transmission wheel is fixedly connected to the top output end of the dual-axis motor, the surface of the transmission wheel is movably connected to a transmission belt, the inner wall of the transmission belt is movably connected to a driven wheel, the inner wall of the driven wheel is fixedly connected to the surface of the connecting rod, and a rotating mechanism is provided below the driven wheel.

[0010] As a preferred embodiment of the present invention, the rotating mechanism includes a movable ring, the inner wall of the movable ring is fixedly connected to a sliding ring, the inner wall of the sliding ring is slidably connected to a limiting block, the inner wall of the limiting block is fixedly connected to the surface of the lightning arrester, the inner wall of the movable ring is fixedly connected to a tooth block, there are multiple tooth blocks and they are evenly distributed on the inner wall of the movable ring, the surface of the tooth block is meshed with the surface of the driving gear, and the inner wall of the movable ring is slidably connected to the surface of the connecting rod.

[0011] As a preferred embodiment of the present invention, the bottom of the screw is fixedly connected to a limit plate, and the front side of the limit plate is fixedly connected to the back side of the sliding plate.

[0012] As a preferred embodiment of the present invention, baffles are fixedly connected to the left and right sides of the sliding plate, and the driving mechanism is located on the inner side of the baffles.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. When the utility model is used, the lightning arrester can be self-cleaned under the action of the cleaning mechanism, the driving mechanism and its transmission mechanism and the rotating mechanism, avoiding the time-consuming and labor-intensive manual cleaning caused by the lack of additional cleaning mechanism in the existing lightning arrester, and making it have the advantage of self-cleaning.

[0015] 2. The utility model is provided with a driving mechanism, which can provide rotational kinetic energy to the entire mechanism and drive the entire mechanism to move up and down. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a side view of the structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the cleaning mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the driving mechanism of the utility model;

[0020] Figure 5 This is a schematic diagram of the rotating mechanism of the utility model.

[0021] In the figure: 1. Lightning arrester; 2. Brush cylinder; 3. Connecting rod; 4. Driving gear; 5. Connecting plate; 6. Dual-axis motor; 7. Screw; 8. Fixed cylinder; 9. Sliding plate; 10. Transmission wheel; 11. Transmission belt; 12. Driven wheel; 13. Movable ring; 14. Sliding ring; 15. Limit block; 16. Gear block; 17. Limit plate; 18. Baffle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0023] like Figures 1 to 5 As shown, the utility model provides a self-cleaning lightning arrester for a substation, including a lightning arrester 1 and a cleaning mechanism. The cleaning mechanism is arranged on the front of the lightning arrester 1, and the cleaning mechanism includes a brush cylinder 2. The brush cylinder 2 is arranged on the front of the lightning arrester 1. The inner wall of the brush cylinder 2 is fixedly connected with a connecting rod 3, and the surface of the connecting rod 3 is fixedly connected with a driving gear 4. The top and bottom of the front of the connecting rod 3 are movably connected with a connecting plate 5 through bearings, and a driving mechanism is provided on the front of the brush cylinder 2.

[0024] refer to Figure 5The driving mechanism includes a dual-axis motor 6, the bottom output end of the dual-axis motor 6 is fixedly connected to a screw 7, the surface of the screw 7 is movably connected to the inner wall of the connecting plate 5 through a bearing, the surface of the screw 7 is threadedly connected to a fixed cylinder 8, the inner wall of the fixed cylinder 8 is movably connected to the surface of the lightning arrester 1 through a bearing, the front of the dual-axis motor 6 is fixedly connected to a sliding plate 9, the bottom of the sliding plate 9 passes through the bottom of the fixed cylinder 8, the surface of the sliding plate 9 is slidably connected to the inner wall of the fixed cylinder 8, the surface of the top output end of the dual-axis motor 6 is movably connected to the inner wall of the connecting plate 5 through a bearing, and a transmission mechanism is provided on the top of the dual-axis motor 6.

[0025] As a technical optimization solution of the present invention, by setting up a driving mechanism, it is possible to provide rotational kinetic energy to the entire mechanism and drive the entire mechanism to move up and down.

[0026] refer to Figure 2 The transmission mechanism includes a transmission wheel 10, the inner wall of the transmission wheel 10 is fixedly connected to the top output end of the dual-axis motor 6, the surface of the transmission wheel 10 is movably connected with a transmission belt 11, the inner wall of the transmission belt 11 is movably connected with a driven wheel 12, the inner wall of the driven wheel 12 is fixedly connected to the surface of the connecting rod 3, and a rotating mechanism is provided below the driven wheel 12.

[0027] As a technical optimization solution of the present invention, by setting up a transmission mechanism, the cleaning mechanism can be transmitted, so that the rotational kinetic energy of the driving mechanism is continuously transmitted to the cleaning mechanism, so that it can continue to rotate and clean.

[0028] refer to Figure 5 The rotating mechanism includes a movable ring 13, the inner wall of the movable ring 13 is fixedly connected to a sliding ring 14, the inner wall of the sliding ring 14 is slidably connected to a limit block 15, the inner wall of the limit block 15 is fixedly connected to the surface of the lightning arrester 1, the inner wall of the movable ring 13 is fixedly connected to a tooth block 16, there are multiple tooth blocks 16 and they are evenly distributed on the inner wall of the movable ring 13, the surface of the tooth block 16 is engaged with the surface of the driving gear 4, and the inner wall of the movable ring 13 is slidably connected to the surface of the connecting rod 3.

[0029] As a technical optimization solution of the present invention, by providing a rotating mechanism, the cleaning mechanism can be rotated, so that the cleaning mechanism can clean the surface of the arrester 1 at 360 degrees.

[0030] refer to Figure 2 The bottom of the screw rod 7 is fixedly connected to the limiting plate 17 , and the front of the limiting plate 17 is fixedly connected to the back of the sliding plate 9 .

[0031] As a technical optimization solution of the present invention, by providing a limiting plate 17 , the driving mechanism can be limited to prevent it from excessive movement and separation from the interior of the fixed cylinder 8 .

[0032] refer to Figure 1 The left and right sides of the sliding plate 9 are fixedly connected with baffles 18, and the driving mechanism is located on the inner side of the baffles 18.

[0033] As a technical optimization solution of the present invention, by providing a baffle 18, the driving mechanism can be protected to prevent it from being hit by other objects and causing damage to the mechanism.

[0034] The working principle and use process of the utility model are as follows: when in use, the dual-axis motor 6 is started to operate, so that the output ends on both sides of the dual-axis motor 6 synchronously drive the transmission wheel 10 and the screw 7 to rotate, and the screw 7 rotates inside the fixed cylinder 8 while driving the dual-axis motor 6 to move upward (the sliding plate 9 limits the dual-axis motor 6). During the movement of the dual-axis motor 6, the connecting plate 5 is used to drive the connecting rod 3 and the brush cylinder 2 to move upward synchronously with the screw 7. At the same time, the transmission wheel 10 drives the driven wheel 12 to rotate through the transmission belt 11, and the driven wheel 12 drives the connecting rod 3 and the brush cylinder 2 to rotate, so as to clean the surface of the lightning arrester 1 during the rising process of the brush cylinder 2 (the connecting plate 5 uses the bearing on the inner wall to connect the connecting rod 3 and the screw 7 and the output end of the dual-axis motor 6, The sliding ring 14 slides on the surface of the limit block 15 to ensure that the movable ring 13 can slide up and down while not rotating, and the connecting rod 3 extends to the inside of the movable ring 13 with its bottom, thereby limiting the connecting rod 3 from being able to disengage from the inside of the movable ring 13 and driving the movable ring 13 to move upward, and synchronously utilizes the rotation of the active gear 4 on the surface of the tooth block 16 to link the above-mentioned structure, driving the cleaning mechanism and the driving mechanism and its transmission mechanism to rise on the surface of the lightning arrester 1 and rotate around the lightning arrester 1, so that the brush barrel 2 completely cleans the surface of the lightning arrester 1, avoiding the fact that the existing lightning arrester 1 has no additional cleaning mechanism, which leads to time-consuming and labor-intensive manual cleaning, and makes it have the advantage of self-cleaning.

[0035] To sum up: when the utility model is used, the lightning arrester 1 can be self-cleaned under the action of the cleaning mechanism, the driving mechanism and its transmission mechanism and the rotating mechanism, avoiding the time-consuming and labor-intensive manual cleaning of the existing lightning arrester 1 due to the lack of an additional cleaning mechanism, making it have the advantage of self-cleaning and solving the problem of time-consuming and labor-intensive manual cleaning.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning lightning arrester for a substation, comprising a lightning arrester (1), characterized in that: A cleaning mechanism is provided on the front of the lightning arrester (1), and the cleaning mechanism includes a brush cylinder (2). The brush cylinder (2) is provided on the front of the lightning arrester (1), the inner wall of the brush cylinder (2) is fixedly connected to a connecting rod (3), the surface of the connecting rod (3) is fixedly connected to a driving gear (4), the top and bottom of the front of the connecting rod (3) are movably connected to a connecting plate (5) through a bearing, and a driving mechanism is provided on the front of the brush cylinder (2).

2. A self-cleaning lightning arrester for a substation according to claim 1, characterized in that: The driving mechanism includes a dual-axis motor (6), the bottom output end of the dual-axis motor (6) is fixedly connected to a screw (7), the surface of the screw (7) is movably connected to the inner wall of the connecting plate (5) through a bearing, the surface of the screw (7) is threadedly connected to a fixed cylinder (8), the inner wall of the fixed cylinder (8) is movably connected to the surface of the lightning arrester (1) through a bearing, the front of the dual-axis motor (6) is fixedly connected to a sliding plate (9), the bottom of the sliding plate (9) extends to the bottom of the fixed cylinder (8), the surface of the sliding plate (9) is slidably connected to the inner wall of the fixed cylinder (8), the surface of the top output end of the dual-axis motor (6) is movably connected to the inner wall of the connecting plate (5) through a bearing, and a transmission mechanism is provided on the top of the dual-axis motor (6).

3. A self-cleaning lightning arrester for a substation according to claim 2, characterized in that: The transmission mechanism comprises a transmission wheel (10), the inner wall of the transmission wheel (10) is fixedly connected to the top output end of the dual-axis motor (6), the surface of the transmission wheel (10) is movably connected to a transmission belt (11), the inner wall of the transmission belt (11) is movably connected to a driven wheel (12), the inner wall of the driven wheel (12) is fixedly connected to the surface of the connecting rod (3), and a rotating mechanism is provided below the driven wheel (12).

4. The self-cleaning lightning arrester for a substation according to claim 3, characterized in that: The rotating mechanism comprises a movable ring (13), the inner wall of the movable ring (13) is fixedly connected to a sliding ring (14), the inner wall of the sliding ring (14) is slidably connected to a limit block (15), the inner wall of the limit block (15) is fixedly connected to the surface of the lightning arrester (1), the inner wall of the movable ring (13) is fixedly connected to a tooth block (16), the tooth blocks (16) are multiple and evenly distributed on the inner wall of the movable ring (13), the surface of the tooth block (16) is meshed with the surface of the driving gear (4), and the inner wall of the movable ring (13) is slidably connected to the surface of the connecting rod (3).

5. The self-cleaning lightning arrester for a substation according to claim 2, characterized in that: The bottom of the screw rod (7) is fixedly connected to the limiting plate (17), and the front of the limiting plate (17) is fixedly connected to the back of the sliding plate (9).

6. The self-cleaning lightning arrester for a substation according to claim 2, characterized in that: The left and right sides of the sliding plate (9) are both fixedly connected to baffles (18), and the driving mechanism is located on the inner side of the baffles (18).

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