Anti-creeping grounding protection device

Abstract

The utility model provides an anti-creeping grounding protection device. The anti-creeping grounding protection device comprises a base, a protection device shell is fixedly mounted at the top of the base, a lifting mechanism is fixedly mounted in the protection device shell, a circular ring seat is fixedly mounted at the top of the protection device shell, and four limiting plates are slidably mounted in the circular ring seat; and springs are fixedly installed on the sides, away from the moving column, of the four limiting plates correspondingly, the limiting plates are fixedly connected with the circular ring base through the springs, second connecting rods are fixedly installed on the other sides of the four limiting plates correspondingly, and one ends of the second connecting rods extend out of the circular ring base and are fixedly provided with contact plates. The anti-creeping grounding protection device provided by the utility model has the advantages that the use is convenient, the adaptive height can be adjusted, and the damage to the anti-creeping grounding protection device caused by vibration is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of radio and television engineering, in particular to an anti-leakage grounding protection device. Background Art

[0002] Radio and television are news dissemination tools that transmit sound, images, and videos to a wide audience through radio waves or wires. Broadcasting that only broadcasts sound is called audio broadcasting, while broadcasting that broadcasts both images and sound is called television broadcasting. In order to avoid harm to the safety of workers in the event of electric leakage, a grounding device is required.

[0003] However, the traditional anti-leakage grounding device directly connects the grounding device to the wire by hanging. If it encounters strong winds or strong vibrations outside, it is easy to cause the joint to loosen and the wire to fall off, and it cannot achieve its flexibility by adjusting the height.

[0004] Therefore, it is necessary to provide a new anti-leakage grounding protection device to solve the above technical problems. Utility Model Content

[0005] The technical problem solved by the utility model is to provide an anti-leakage grounding protection device which is easy to use, can adjust the adaptable height and reduce the damage to itself caused by vibration.

[0006] In order to solve the above technical problems, the utility model provides an anti-leakage grounding protection device comprising: a base, a protection device shell is fixedly installed on the top of the base, a lifting mechanism is fixedly installed in the protection device shell, a circular ring seat is fixedly installed on the top of the protection device shell, four limit plates are slidably installed in the circular ring seat, a spring is fixedly installed on the side of the four limit plates away from the movable column, the limit plates are fixedly connected to the circular ring seat through the spring, a second connecting rod is fixedly installed on the other side of the four limit plates, one end of the second connecting rod extends to the outside of the circular ring seat and a contact plate is fixedly installed, a movable column is slidably installed in the protection device shell, the top of the movable column extends to the outside of the protection device shell and a fixed seat is fixedly installed, a second clamping seat is fixedly installed on the top of the fixed seat, a fixing hole is provided in the second clamping seat, a fixing bolt is provided in the fixing hole, and a clamping mechanism is fixedly installed in the fixed seat.

[0007] Preferably, the lifting mechanism includes a first screw rod rotatably installed in the protective device housing, the top end of the first screw rod extends into the movable column, the movable column is provided with an internal thread, the thread on the outer side of the first screw rod cooperates with the internal thread, a first bevel gear is fixedly installed on the outer side of the first screw rod, a first connecting rod is rotatably installed in the protective device housing, a second bevel gear is fixedly installed on one end of the first connecting rod close to the first screw rod, the second bevel gear is meshed with the first bevel gear, and the other end of the first connecting rod extends outside the protective device housing and is fixedly installed with a round-edge handwheel.

[0008] Preferably, a bearing is rotatably mounted on the outer side of the first connecting rod, and the bearing is fixedly mounted in the housing of the protection device.

[0009] Preferably, the clamping mechanism includes a second screw rod rotatably installed in the fixed seat, one end of the second screw rod extends to the outside of the fixed seat and is fixedly installed with a knob, a moving block is slidably installed on the outer side of the second screw rod, the top of the moving block extends to the outside of the fixed seat and is fixedly installed with a first clamp seat, a clamping plate is provided on the side of the first clamp seat close to the second clamp seat, a clamping groove is provided in the second clamp seat, the clamping groove is matched with the clamping plate, a connecting hole is provided on the clamping plate, the fixing bolt is matched with the connecting hole, and anti-bending protection plates are fixedly installed on both sides of the first clamp seat and the second clamp seat.

[0010] Preferably, one side of the protective device housing is provided with an opening, a dustproof plate is rotatably mounted at the opening, and two fixing columns are fixedly mounted at the bottom of the base.

[0011] Preferably, a third connecting rod is fixedly installed on both sides of the movable column, and sliding grooves are fixedly installed on the inner walls of both sides of the protective device shell, and sliding plates are slidably installed in the sliding grooves, and the sliding plates are fixedly connected to the third connecting rods.

[0012] Compared with the related art, the anti-leakage grounding protection device provided by the utility model has the following beneficial effects:

[0013] The utility model provides an anti-leakage grounding protection device. Through the cooperation of the second screw rod, the moving block, the knob, the first clamp seat, the anti-bending protection plate and the second clamp seat, the first clamp seat and the second clamp seat can prevent the cable from loosening, moving or falling off during the clamping process, thereby ensuring the stability of the grounding connection, and can also facilitate the installation and removal of the cable, thereby better reducing the difficulty of operation, and the anti-bending protection plate can prevent the insulation layer of the cable from being damaged, thereby extending the service life of the cable; through the cooperation of the circular ring seat, the spring, the limit plate, the second connecting rod and the contact plate, under the action of the spring, the vibration interference of the cable can be reduced, thereby reducing the malfunction caused by it, and at the same time avoiding the damage of the vibration to the connection between the cable and the grounding protection device, thereby better extending the service life of the cable; through the cooperation of the round-edge hand wheel, the first connecting rod, the bearing, the first bevel gear, the second bevel gear and the first screw rod, while the first screw rod is rotating, the height of the device can be flexibly adjusted, thereby facilitating maintenance, inspection and repair work, and at the same time the height can be adjusted according to actual conditions, thereby better adapting to various complex installation environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of the leakage protection grounding protection device provided by the utility model;

[0015] Figure 2 for Figure 1 The cross-sectional structural diagram shown;

[0016] Figure 3 for Figure 2 The enlarged structural diagram of part B is shown;

[0017] Figure 4 for Figure 2 A schematic diagram of the enlarged structure of part A is shown.

[0018] Numbers in the figure: 1. base, 101. fixed column, 2. protective device housing, 3. dustproof plate, 4. round-edged handwheel, 401. first connecting rod, 402. bearing, 403. first bevel gear, 404. second bevel gear, 405. first screw, 5. annular seat, 501. spring, 502. limit plate, 503. second connecting rod, 504. contact plate, 6. clamping plate, 7. anti-bending protection plate, 8. first clamping seat, 9. fixing bolt, 10. second clamping seat, 11. fixed seat, 12. moving column, 121. third connecting rod, 122. sliding groove, 123. sliding plate, 13. moving block, 14. knob, 15. second screw, 16. fixing hole. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of the leakage protection grounding protection device provided by the utility model; Figure 2 for Figure 1 The cross-sectional structural diagram shown; Figure 3 for Figure 2 The enlarged structural diagram of part B is shown; Figure 4 for Figure 2 The enlarged structural diagram of part A is shown. The leakage protection grounding protection device comprises: a base 1, a protection device housing 2 is fixedly installed on the top of the base 1, a lifting mechanism is fixedly installed in the protection device housing 2, a circular ring seat 5 is fixedly installed on the top of the protection device housing 2, four limit plates 502 are slidably installed in the circular ring seat 5, and springs 501 are fixedly installed on the side of the four limit plates 502 away from the moving column 12, and the springs 501 can buffer and reduce the shaking of the moving column 12 caused by vibration, and the limit plates 502 are fixedly connected to the circular ring seat 5 through the springs 501. A second connecting rod 503 is fixedly installed on the other side of each of the limit plates 502, one end of the second connecting rod 503 extends to the outside of the annular seat 5 and is fixedly installed with a contact plate 504, a moving column 12 is slidably installed in the protective device housing 2, the top of the moving column 12 extends to the outside of the protective device housing 2 and is fixedly installed with a fixed seat 11, a second clamping seat 10 is fixedly installed on the top of the fixed seat 11, a fixing hole 16 is provided in the second clamping seat 10, a fixing bolt 9 is provided in the fixing hole 16, and a clamping mechanism is fixedly installed in the fixed seat 11.

[0021] The lifting mechanism includes a first screw rod 405 rotatably installed in the protective device housing 2, the top end of the first screw rod 405 extends into the movable column 12, the movable column 12 is provided with an internal thread, the thread on the outer side of the first screw rod 405 cooperates with the internal thread, a first bevel gear 403 is fixedly installed on the outer side of the first screw rod 405, a first connecting rod 401 is rotatably installed in the protective device housing 2, a second bevel gear 404 is fixedly installed at one end of the first connecting rod 401 close to the first screw rod 405, the second bevel gear 404 is meshed with the first bevel gear 403, and the other end of the first connecting rod 401 extends to the outside of the protective device housing 2 and is fixedly installed with a round-edged handwheel 4.

[0022] A bearing 402 is rotatably mounted on the outer side of the first connecting rod 401 , and the bearing 402 is fixedly mounted in the protective device housing 2 .

[0023] The clamping mechanism includes a second screw 15 rotatably installed in the fixed seat 11, one end of the second screw 15 extends to the outside of the fixed seat 11 and is fixedly installed with a knob 14, a moving block 13 is slidably installed on the outer side of the second screw 15, the top of the moving block 13 extends to the outside of the fixed seat 11 and is fixedly installed with a first clamping seat 8, a card plate 6 is provided on the side of the first clamping seat 8 close to the second clamping seat 10, a card slot is provided in the second clamping seat 10, the card slot is adapted to the card plate 6, a connecting hole is provided on the card plate 6, and the fixing bolt 9 is adapted to the connecting hole, anti-bending protection plates 7 are fixedly installed on both sides of the first clamping seat 8 and the second clamping seat 10, the anti-bending protection plates 7 can reduce the degree of cable bending, and the first clamping seat 8 and the second clamping seat 10 can clamp the cable.

[0024] One side of the protective device housing 2 is provided with an opening, and a dustproof plate 3 is rotatably installed at the opening. The device can be easily maintained by opening the dustproof plate 3. Two fixing columns 101 are fixedly installed at the bottom of the base 1.

[0025] A third connecting rod 121 is fixedly installed on both sides of the moving column 12, and a sliding groove 122 is fixedly installed on the inner walls of both sides of the protection device housing 2. A sliding plate 123 is slidably installed in the sliding groove 122. The sliding plate 123 can control the moving direction of the moving column 12, and the sliding plate 123 is fixedly connected to the third connecting rod 121.

[0026] The working principle of the anti-leakage grounding protection device provided by the utility model is as follows:

[0027] First, place the cable between the first clamp seat 8 and the second clamp seat 10, and then the staff turns the knob 14, the knob 14 drives the second screw 15 to rotate, and the second screw 15 drives the first clamp seat 8 to move toward the second clamp seat 10 through the moving block 13. When moving to a certain position, the first clamp seat 8 and the second clamp seat 10 clamp the cable. At this time, put the fixing bolt 9 into the fixing hole 16, and the fixing bolt 9 fixes the first clamp seat 8 by clamping the card plate 6 to avoid loosening under vibration or windy weather. When the height needs to be adjusted, turn the round-edged handwheel 4. The circular-edge handwheel 4 drives the second bevel gear 404 to rotate through the first connecting rod 401, the second bevel gear 404 drives the first bevel gear 403 to rotate, the first bevel gear 403 drives the first screw 405 to start rotating, and the first screw 405 drives the moving column 12 to rise and fall. When vibration or strong winds cause the moving column 12 to shake, the moving column 12 contacts the contact plate 504 when shaking and moves the contact plate 504 toward the circular ring seat 5. At this time, the spring 501 is compressed and the shaking of the moving column 12 is reduced.

[0028] Compared with the related art, the anti-leakage grounding protection device provided by the utility model has the following beneficial effects:

[0029] The utility model provides an anti-leakage grounding protection device. Through the cooperation of the second screw rod 15, the moving block 13, the knob 14, the first clamping seat 8, the anti-bending protection plate 7 and the second clamping seat 10, the first clamping seat 8 and the second clamping seat 10 can prevent the cable from loosening, moving or falling off during the clamping process, thereby ensuring the stability of the grounding connection, and also facilitating the installation and removal of the cable, thereby better reducing the difficulty of operation, and the anti-bending protection plate 7 can prevent the insulation layer of the cable from being damaged, thereby extending the service life of the cable; through the cooperation of the annular seat 5, the spring 501, the limit plate 502, the second connecting rod 503 and the contact plate 504, Under the action of the spring 501, the vibration interference to the cable can be reduced, thereby reducing the malfunctions caused thereby, while avoiding damage to the connection between the cable and the grounding protection device caused by vibration, thereby better extending the service life of the cable; through the cooperation of the round-edged handwheel 4, the first connecting rod 401, the bearing 402, the first bevel gear 403, the second bevel gear 404 and the first screw 405, the height of the device can be flexibly adjusted while the first screw 405 is rotating, thereby facilitating maintenance, inspection and repair work, and at the same time being able to adjust the height according to actual conditions to better adapt to various complex installation environments.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A leakage protection grounding device, characterized in that: include: A base, a protection device shell is fixedly installed on the top of the base, a lifting mechanism is fixedly installed in the protection device shell, a circular ring seat is fixedly installed on the top of the protection device shell, four limit plates are slidably installed in the circular ring seat, and a spring is fixedly installed on the side of the four limit plates away from the movable column, and the limit plate is fixedly connected to the circular ring seat through the spring, and a second connecting rod is fixedly installed on the other side of the four limit plates, one end of the second connecting rod extends to the outside of the circular ring seat and is fixedly installed with a contact plate, a movable column is slidably installed in the protection device shell, the top of the movable column extends to the outside of the protection device shell and is fixedly installed with a fixed seat, a second clamping seat is fixedly installed on the top of the fixed seat, a fixing hole is provided in the second clamping seat, a fixing bolt is provided in the fixing hole, and a clamping mechanism is fixedly installed in the fixed seat.

2. The leakage protection grounding device according to claim 1, characterized in that: The lifting mechanism includes a first screw rod rotatably installed in the protective device housing, the top end of the first screw rod extends into the movable column, an internal thread is provided in the movable column, the thread on the outer side of the first screw rod cooperates with the internal thread, a first bevel gear is fixedly installed on the outer side of the first screw rod, a first connecting rod is rotatably installed in the protective device housing, a second bevel gear is fixedly installed on one end of the first connecting rod close to the first screw rod, the second bevel gear is meshed with the first bevel gear, and the other end of the first connecting rod extends outside the protective device housing and is fixedly installed with a round-edge handwheel.

3. The leakage protection grounding device according to claim 2, characterized in that: A bearing is rotatably mounted on the outer side of the first connecting rod, and the bearing is fixedly mounted in the housing of the protection device.

4. The leakage protection grounding device according to claim 1, characterized in that: The clamping mechanism includes a second screw rod rotatably installed in the fixed seat, one end of the second screw rod extends to the outside of the fixed seat and is fixedly installed with a knob, a moving block is slidably installed on the outer side of the second screw rod, the top of the moving block extends to the outside of the fixed seat and is fixedly installed with a first clamp seat, a clamping plate is provided on the side of the first clamp seat close to the second clamp seat, a clamping groove is provided in the second clamp seat, the clamping groove is adapted to the clamping plate, a connecting hole is provided on the clamping plate, the fixing bolt is adapted to the connecting hole, and anti-bending protection plates are fixedly installed on both sides of the first clamp seat and the second clamp seat.

5. The leakage protection grounding device according to claim 1, characterized in that: One side of the protective device housing is provided with an opening, a dustproof plate is rotatably mounted at the opening, and two fixing columns are fixedly mounted at the bottom of the base.

6. The leakage protection grounding device according to claim 1, characterized in that: A third connecting rod is fixedly installed on both sides of the moving column, and sliding grooves are fixedly installed on the inner walls of both sides of the protective device shell. A sliding plate is slidably installed in the sliding groove, and the sliding plate is fixedly connected to the third connecting rod.

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