Cable grounding ring current monitoring device

Abstract

The utility model belongs to the field of monitoring devices, and particularly relates to a cable grounding circulating current monitoring device which comprises a monitoring device body, a power line is led out of the bottom of the monitoring device body, the bottom of the monitoring device body is fixedly connected with a bottom frame, and the power line penetrates through the bottom frame and is in sliding connection with the bottom frame. Fixing sleeves are fixedly connected to the bottom of the inner side of the bottom frame and located on the two sides of the power line, and sliding pins are slidably connected into the fixing sleeves. The bottom frame is arranged below the monitoring device body, the power line can penetrate through the bottom frame, the fixing sleeve, the sliding pin, the clamping sleeve, the spring, the sliding rod, the rotating disc and other components are arranged on the bottom frame, the sliding rod and the sliding pin can move transversely through rotation of the rotating disc, the clamping sleeve at the tail end of the sliding pin is clamped on the outer side of the power line, and therefore the power line can be monitored conveniently. Therefore, the connection stability of the power line and the monitoring device body is improved.

Description

Technical Field

[0001] The utility model relates to the field of monitoring devices, in particular to a cable grounding loop current monitoring device. Background Technique

[0002] A cable grounding loop current monitoring device is a device used to monitor the grounding loop current situation in a cable system. It usually consists of a sensor, a data acquisition device and a monitoring system, and can monitor the magnitude, direction and change trend of the grounding loop current in the cable system in real time. For example, in the utility model patent with the authorization announcement number CN215005592U, a cable grounding loop current monitoring device proposed therein includes a box body, a box door is movably installed on the front surface of the box body, an insulating support plate is installed on the inner wall of the box body away from the box door through an elastic push rod, and an electrical guide rail is installed on the front surface of the support plate; a fixed baffle is installed inside the box body, the fixed baffle is located below the support plate, and a plurality of fixed sleeves are installed on the surface of the fixed baffle, and the fixed sleeves correspond to the data acquisition module.

[0003] However, for the existing cable grounding loop current monitoring device, its power cord is exposed after being led out of the device, and it is easily torn off by external force, which is not stable enough. Therefore, it needs to be improved. Content of the Utility Model

[0004] The purpose of the utility model is to provide a cable grounding loop current monitoring device, which solves the problem that the power cord of the existing cable grounding loop current monitoring device is exposed after being led out of the device and is easily torn off by external force, and is not stable enough.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A cable grounding loop current monitoring device includes a monitoring device body, a power cord is led out from the bottom of the monitoring device body, a bottom frame is fixedly connected to the bottom of the monitoring device body, the power cord penetrates through the bottom frame and is slidably connected to the bottom frame, fixed sleeves are fixedly connected to both sides of the inner bottom of the bottom frame and located on both sides of the power cord, a sliding pin is slidably connected inside the fixed sleeve, a clamping sleeve is fixedly connected to the side of the sliding pin close to the power cord, and the clamping sleeve is in contact with the power cord, a first spring is arranged inside the fixed sleeve, a sliding rod is fixedly connected to the middle section of the pin body of the sliding pin, the sliding rod is slidably connected to the fixed sleeve, a rotating disk is slidably connected to the upper section of the rod body of the sliding rod, a rotating ring is fixedly connected to the upper end of the rotating disk, and a locking mechanism is arranged on the right side of the rotating ring.

[0006] Preferably, one end of the first spring is fixedly connected to the sliding pin, and the other end of the first spring is fixedly connected to the inner surface of the fixed sleeve. Through the setting of the first spring, the elastic force can act on the sliding pin.

[0007] Preferably, a convex character limiting rod is fixedly connected to the inner bottom of the chassis, and the convex character limiting rod is slidably connected to the rotating disk. Through the arrangement of the convex character limiting rod, the rotating disk is limited in the vertical direction. Moreover, an annular groove is formed at the bottom of the rotating disk, and the cross-section of the sliding groove is consistent with the end contour of the convex character limiting rod.

[0008] Preferably, the locking mechanism includes a support plate fixedly connected to the inner bottom of the chassis. A locking pin is slidably connected inside the support plate. One end of the locking pin is inserted into the rotating ring, and the other end of the locking pin is fixedly connected to a connecting piece. A pull ring is fixedly connected to the surface of the connecting piece. A second spring is sleeved outside the pin body of the locking pin. Through the arrangement of the locking mechanism, the rotating disk can be locked and fixed.

[0009] Preferably, one end of the second spring is fixedly connected to the connecting piece, and the other end of the second spring is fixedly connected to the support plate. Through the arrangement of the second spring, the elastic force can act on the locking pin through the connecting piece.

[0010] Preferably, a corrugated sleeve is fixedly connected between the connecting piece and the support plate, and the corrugated sleeve is made of rubber. Through the arrangement of the corrugated sleeve, the second spring is protected.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. By arranging a chassis below the monitoring device body, the power cord can pass through the chassis. In addition, components such as a fixing sleeve, a sliding pin, a clamping sleeve, a spring, a sliding rod, and a rotating disk are arranged at the chassis. Among them, by rotating the rotating disk, the sliding rod and the sliding pin can be horizontally displaced, so that the clamping sleeve at the end of the sliding pin clamps the outside of the power cord, thereby improving the connection stability between the power cord and the monitoring device body.

[0013] 2. By arranging a locking mechanism at the side of the rotating disk at the chassis and arranging a rotating ring above the rotating disk, the locking pin mechanism contains a locking pin that expands and contracts through a spring. The locking pin will horizontally insert into the rotating ring under the action of the elastic force, thereby locking the rotating disk and further ensuring the clamping stability of the power cord. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0015] Figure 2 is the Figure 1 partial front view sectional view of the present utility model;

[0016] Figure 3 is the Figure 2 enlarged view of the locking mechanism of the present utility model;

[0017] Figure 4 is the Figure 2 three-dimensional view of the rotating disk structure of the present utility model.

[0018] In the figure: 1. Monitoring device body; 2. Power cord; 3. Underframe; 4. Locking mechanism; 5. Fixed sleeve; 6. Slide pin; 7. Clamping sleeve; 8. First spring; 9. Slide rod; 10. Rotating disk; 11. Swivel ring; 12. Convex character limit rod; 41. Support plate; 42. Locking pin; 43. Connecting piece; 44. Pull ring; 45. Second spring; 46. Corrugated sleeve. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present utility model.

[0020] Please refer to Figure 1-2 , a cable grounding loop monitoring device, including a monitoring device body 1, a power cord 2 is led out from the bottom of the monitoring device body 1, the bottom of the monitoring device body 1 is fixedly connected with an underframe 3, the power cord 2 passes through the underframe 3 and is slidably connected with the underframe 3, fixing sleeves 5 are fixedly connected to both sides of the inner bottom of the underframe 3 and on both sides of the power cord 2, slide pins 6 are slidably connected inside the fixing sleeves 5, a clamping sleeve 7 is fixedly connected to the side of the slide pin 6 close to the power cord 2, and the clamping sleeve 7 contacts the power cord 2. A first spring 8 is arranged inside the fixing sleeve 5, one end of the first spring 8 is fixedly connected with the slide pin 6, and the other end of the first spring 8 is fixedly connected to the inner surface of the fixing sleeve 5. Through the setting of the first spring 8, elastic force can act on the slide pin 6. A slide rod 9 is fixedly connected to the middle section of the pin body of the slide pin 6, and the slide rod 9 is slidably connected with the fixing sleeve 5.

[0021] Please refer to Figure 1 , Figure 2 , Figure 4 , a rotating disk 10 is slidably connected to the upper section of the rod body of the slide rod 9, and a swivel ring 11 is fixedly connected to the upper end of the rotating disk 10. A convex character limit rod 12 is fixedly connected to the inner bottom of the underframe 3, and the convex character limit rod 12 is slidably connected with the rotating disk 10. Through the setting of the convex character limit rod 12, a limiting effect in the vertical direction is exerted on the rotating disk 10, and an annular groove is formed at the bottom of the rotating disk 10, and the cross-section of the chute is consistent with the end contour of the convex character limit rod 12.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3, a locking mechanism 4 is provided on the right side of the swivel ring 11. Through the setting of the locking mechanism 4, the rotating disk 10 can be locked and fixed. The locking mechanism 4 includes a support plate 41 fixedly connected to the inner bottom of the chassis 3. A locking pin 42 is slidably connected inside the support plate 41. One end of the locking pin 42 is inserted into the swivel ring 11. The other end of the locking pin 42 is fixedly connected to a connecting piece 43. A pull ring 44 is fixedly connected to the surface of the connecting piece 43. A second spring 45 is sleeved outside the pin body of the locking pin 42. One end of the second spring 45 is fixedly connected to the connecting piece 43, and the other end of the second spring 45 is fixedly connected to the support plate 41. Through the setting of the second spring 45, the elastic force can act on the locking pin 42 through the connecting piece 43. A corrugated sleeve 46 is fixedly connected between the connecting piece 43 and the support plate 41, and the corrugated sleeve 46 is made of rubber. Through the setting of the corrugated sleeve 46, the second spring 45 is protected.

[0023] The specific implementation process of the present utility model is as follows: When in use, the power cord 2 is led out from the monitoring device body 1 and then passes through the chassis 3. Then, the rotating disk 10 is rotated. The rotating disk 10 can make the sliding rod 9 move horizontally. Subsequently, the sliding rod 9 drives the sliding pin 6 to move horizontally until the clamping sleeve 7 at the end of the sliding pin 6 clamps on the outside of the power cord 2, thereby improving the connection stability between the power cord 2 and the monitoring device body 1. Subsequently, the connecting piece 43 is horizontally pulled through the pull ring 44. The connecting piece 43 drives the locking pin 42 to move horizontally. When the rotating disk 10 is screwed in place, the pull ring 44 is released. The locking pin 42 will reset under the action of the second spring 45 and be inserted into the swivel ring 11 on the rotating disk 10, thereby locking the rotating disk 10 and further ensuring the clamping stability of the power cord 2.

[0024] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A cable grounding loop current monitoring device, comprising a monitoring device body (1), characterized in that: A power cord (2) is led out from the bottom of the monitoring device body (1). A chassis (3) is fixedly connected to the bottom of the monitoring device body (1). The power cord (2) penetrates through the chassis (3) and is slidably connected to the chassis (3). Fixed sleeves (5) are fixedly connected to both sides of the inner bottom of the chassis (3) and on both sides of the power cord (2). A sliding pin (6) is slidably connected inside the fixed sleeve (5). A clamping sleeve (7) is fixedly connected to the side of the sliding pin (6) close to the power cord (2), and the clamping sleeve (7) contacts the power cord (2). A first spring (8) is arranged inside the fixed sleeve (5). A sliding rod (9) is fixedly connected to the middle section of the pin body of the sliding pin (6). The sliding rod (9) is slidably connected to the fixed sleeve (5). A rotating disk (10) is slidably connected to the upper section of the rod body of the sliding rod (9). A rotating ring (11) is fixedly connected to the upper end of the rotating disk (10). A locking mechanism (4) is arranged on the right side of the rotating ring (11).

2. The cable grounding loop current monitoring device according to claim 1, characterized in that: One end of the first spring (8) is fixedly connected to the sliding pin (6), and the other end of the first spring (8) is fixedly connected to the inner surface of the fixed sleeve (5).

3. A cable grounding loop current monitoring device according to claim 1, characterized in that: A convex character limiting rod (12) is fixedly connected to the inner bottom of the chassis (3). The convex character limiting rod (12) is slidably connected to the rotating disk (10).

4. A cable grounding loop current monitoring device according to claim 1, characterized in that: The locking mechanism (4) includes a support plate (41) fixedly connected to the inner bottom of the chassis (3). A locking pin (42) is slidably connected inside the support plate (41). One end of the locking pin (42) is inserted into the rotating ring (11). A connecting piece (43) is fixedly connected to the other end of the locking pin (42). A pull ring (44) is fixedly connected to the surface of the connecting piece (43). A second spring (45) is sleeved on the outer side of the pin body of the locking pin (42).

5. The cable grounding loop current monitoring device according to claim 4, characterized in that: One end of the second spring (45) is fixedly connected to the connecting piece (43), and the other end of the second spring (45) is fixedly connected to the support plate (41).

6. The cable grounding loop current monitoring device according to claim 4, characterized in that: A corrugated sleeve (46) is fixedly connected between the connecting piece (43) and the support plate (41).

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