Novel combined large-current electricity testing grounding ring

Abstract

The invention relates to a novel combined large-current electricity testing grounding ring, and belongs to the technical field of electricity testing grounding rings, the novel combined large-current electricity testing grounding ring comprises an insulating sleeve, a cable is sleeved with the insulating sleeve, a placement groove is formed in the peripheral wall of the insulating sleeve, and a connecting ring and a positioning ring are placed in the placement groove from left to right; the cable is located between the connecting ring and the positioning ring, the right side face of the positioning ring is fixedly connected with a connecting rod, one end of the connecting rod extends to the right side of the insulating sleeve, the right side face of the connecting rod is fixedly connected with an installation ring, and a contact ring is sleeved with the installation ring. According to the novel combined large-current electricity testing grounding ring, under the action of the positioning ring and the connecting ring, the contact area of a wire and a wire clamp is increased, the conduction effect is improved, the undesirable phenomenon that a wire body is damaged is avoided, the use effect is improved, meanwhile, the connecting ring is fixed through clearance fit between a fixing rod and a fixing hole, and the service life of the grounding ring is prolonged. And the operation of workers is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of electric test grounding rings, in particular to a novel combined large current electric test grounding ring. Background Art

[0002] The power test grounding ring is a protective device used for power test and temporary grounding during maintenance and construction. It has the function of preventing overhead insulated wires from being broken by lightning and is used for power test and temporary grounding during maintenance and construction. The FDL lightning protection power test grounding ring is a two-in-one product installed on the load side of the line insulator, specially used to prevent 10-20KV overhead wires from being broken by lightning and is used for power test and grounding during maintenance and construction.

[0003] The overhead wires currently in use are designed as multi-strand wires in a spiral shape. Most of the existing wire clamps are piercing type wire clamps, which contact the wires through point contact. This contact method may cause adverse phenomena such as damage to the wire body, thereby reducing the use effect. Therefore, a new type of combined large current electrical detection grounding ring is proposed to solve the above problems. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a new type of combined large current electrical testing grounding ring, which has the advantage of convenient contact and solves the problem that most of the wire clamps are piercing type wire clamps, which contact with the wire through point contact, and this contact method may cause adverse phenomena such as damaging the wire body, thereby reducing the use effect.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a new type of combined large current electrical testing grounding ring, comprising an insulating sleeve, a cable is sheathed inside the insulating sleeve, a placement groove is opened on the outer peripheral wall of the insulating sleeve, a connecting ring and a positioning ring are placed inside the placement groove from left to right, and the cable is located between the connecting ring and the positioning ring.

[0006] The right side surface of the positioning ring is fixedly connected to a connecting rod with one end extending to the right side of the insulating sleeve, the right side surface of the connecting rod is fixedly connected to a mounting ring, and a contact ring is mounted inside the mounting ring. The top and bottom surfaces of the positioning ring are fixedly connected to a support plate, and the top and bottom surfaces of the connecting ring are fixedly connected to a clamping plate. The side surfaces of the two support plates away from the positioning ring are fixedly connected to a fixing plate, the left sides of the two support plates are provided with a fixing groove, and the right sides of the two clamping plates are fixedly connected to a fixing block with one end extending into the inside of the fixing groove.

[0007] A fixing assembly is provided between the two fixing plates for fixing the connecting ring.

[0008] The mounting ring is provided with an adjustment component for adjusting the placement angle of the contact ring.

[0009] Furthermore, the positioning ring and the connecting ring are both fitted with the insulating sleeve, the positioning ring and the connecting ring are both fitted with the cable, and the positioning ring and the connecting ring are both semicircular rings.

[0010] Furthermore, the clamping plate and the supporting plate located on the same side are in abutment with each other, and the fixing block and the fixing groove are in abutment with each other.

[0011] The two cams are connected with a plurality of linking rods, each of which is connected with a plurality of linking rods at the two ends of the movable plate, and the two cams are connected with a plurality of linking rods at the two ends of the movable plate.

[0012] Furthermore, the fixing rod and the fixing hole are clearance-matched, the movable plate and the movable groove are slidably connected, the linkage rod is an L-shaped rod, the yielding groove and the movable groove are connected, and the positioning groove is an annular groove.

[0013] Furthermore, a first threaded hole is opened on the left side of the driving rod, the first screw rod extends into the threaded hole and is threadedly connected thereto, the positioning rod is a U-shaped elastic rod, and the positioning rod and the positioning groove are fitted together.

[0014] The two cams have the form of a first end, a second end, and a second end, respectively, of the second cam, the second end of the second cam being arranged on a line shaped to fit the first and second ends of the cam, the second end of the second cam being arranged on a line shaped to fit the first and second ends of the cam.

[0015] Furthermore, the connecting plate is an arc-shaped plate, the connecting plate and the contact ring are fitted together, the groove is an annular groove, the rubber ring and the groove are fitted together, and second threaded holes are provided on the opposite sides of the two rotating rods, and the two second screw rods extend into the interior of the two threaded holes respectively and are threadedly connected thereto.

[0016] Furthermore, the top and bottom surfaces of the mounting ring are provided with through holes, the two support rods respectively pass through the two through holes and are clearance-matched therewith, the limiting groove is an annular groove, the limiting rod is an L-shaped elastic rod, and the limiting rod and the limiting groove are fitted together.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0018] 1. This new type of combined large current electrical testing grounding ring increases the contact area between the wire and the wire clamp through the action of the positioning ring and the connecting ring, improves the conduction effect, avoids the undesirable phenomenon of damaging the wire body, and improves the use effect. At the same time, the clearance between the fixing rod and the fixing hole is matched to fix the connecting ring, which is convenient for the staff to operate;

[0019] 2. This new type of combined large current electrical testing grounding ring limits the driving rod through the cooperation between the positioning rod and the positioning groove, thereby improving the stability of the driving rod. The contact ring is fixed through the fit between the rubber ring and the card slot, thereby improving the stability of the contact ring. At the same time, through the threaded connection between the rotating rod and the second screw rod, the connecting plate is conveniently driven to move, which is more convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 for Figure 1 A is a magnified schematic diagram of the structure;

[0022] Figure 3 It is an enlarged schematic diagram of the internal structure of the top connecting groove in the structure of the present invention;

[0023] Figure 4 It is a top view schematic diagram of the bottom fixing plate in the structure of the present invention.

[0024] In the figure: 1 insulating sleeve, 2 positioning ring, 3 placement groove, 4 connecting ring, 5 cable, 6 clamping plate, 7 support plate, 8 connecting rod, 9 contact ring, 10 clamping groove, 11 mounting ring, 12 positioning groove, 13 fixing plate, 14 positioning rod, 15 driving rod, 16 giving way groove, 17 first screw rod, 18 moving plate, 19 linkage rod, 20 moving groove, 21 fitting plate, 22 fixing rod, 23 fixing hole, 24 fixing block, 25 fixing groove, 26 connecting plate, 27 connecting groove, 28 support rod, 29 limiting groove, 30 limiting rod, 31 rotating rod, 32 second screw rod, 33 rubber ring, 34 clamping rod. DETAILED DESCRIPTION

[0025] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0026] See also Figures 1 to 4 In this embodiment, a new type of combined large current electrical testing grounding ring includes an insulating sleeve 1, a cable 5 is sleeved inside the insulating sleeve 1, a placement groove 3 is opened on the outer peripheral wall of the insulating sleeve 1, a connecting ring 4 and a positioning ring 2 are placed inside the placement groove 3 from left to right, and the cable 5 is located between the connecting ring 4 and the positioning ring 2.

[0027] The right side surface of the positioning ring 2 is fixedly connected to a connecting rod 8 with one end extending to the right side of the insulating sleeve 1, the right side surface of the connecting rod 8 is fixedly connected to a mounting ring 11, and a contact ring 8 is mounted inside the mounting ring 11. The top and bottom surfaces of the positioning ring 2 are fixedly connected to a support plate 7, the top and bottom surfaces of the connecting ring 4 are fixedly connected to a clamping plate 6, the side surfaces of the two support plates 7 away from the positioning ring 2 are fixedly connected to a fixing plate 13, the left sides of the two support plates 7 are provided with a fixing groove 25, and the right sides of the two clamping plates 6 are fixedly connected to a fixing block 24 with one end extending to the inside of the fixing groove 25.

[0028] Among them, the positioning ring 2 and the connecting ring 4 are both fitted with the insulating sleeve 1, the positioning ring 2 and the connecting ring 4 are both fitted with the cable 5, the positioning ring 2 and the connecting ring 4 are both semicircular rings, the clamping plate 6 and the support plate 7 on the same side are fitted, and the fixing block 24 and the fixing groove 25 are fitted.

[0029] Specifically, push the positioning ring 2 and the connecting ring 4 so that they are both inserted into the placement groove 3, and then make the clamping plate 6 and the support plate 7 fit together, the positioning ring 2 and the connecting ring 4 fit together with the cable 5, and the fixing block 24 and the fixing groove 25 fit together to restrict the connecting ring 4, and then through the cooperation between the positioning ring 2 and the connecting ring 4, the contact area is increased, the conduction effect is improved, and damage to the cable 5 is avoided as much as possible.

[0030] In this embodiment, a fixing assembly is provided between the two fixing plates 13, and the fixing assembly includes two bonding plates 21, and the two bonding plates 21 are respectively placed on the left sides of the two card plates 6. The two fixing plates 13 have movable grooves 20 on the opposite sides. The interiors of the two movable grooves 20 are rotatably connected to the driving rods 15 through bearings. The left sides of the two driving rods 15 are movably connected to the first screws 17 extending to the interior thereof. The left sides of the two first screws 17 are fixedly connected to the moving plates 18, and the left sides of the two moving plates 18 are fixed. A linkage rod 19 is connected, and the two linkage rods 19 are fixedly connected to the two bonding plates 21 respectively. A fixing hole 23 is provided on the left side of the two clamping plates 6. A fixing rod 22 with one end extending to the inside of the fixing hole 23 is fixedly connected to the right side of the two bonding plates 21. A yield groove 16 is provided on the side of the two fixing plates 13 away from the support plate 7. A positioning groove 12 is provided on the outer peripheral wall of the two driving rods 15. A positioning rod 14 with one end penetrating the yield groove 16 and extending to the inside of the positioning groove 12 is fixedly connected to the side of the two fixing plates 13 away from the support plate 7.

[0031] Among them, the fixing rod 22 and the fixing hole 23 are clearance-fitted, the movable plate 18 and the movable groove 20 are slidingly connected, the linkage rod 19 is an L-shaped rod, the give way groove 16 and the movable groove 20 are connected, the positioning groove 12 is an annular groove, and a first threaded hole is opened on the left side of the driving rod 15, the first screw 17 extends to the inside of the threaded hole and is threadedly connected thereto, the positioning rod 14 is a U-shaped elastic rod, and the positioning rod 14 and the positioning groove 12 fit together.

[0032] Specifically, pull the positioning rod 14 to disengage from the positioning slot 12, pass the hand through the yield slot 16 to rotate the drive rod 15, and rotate the drive rod 15. Through the threaded connection between the drive rod 15 and the first screw 17 and the sliding connection between the movable plate 18 and the movable slot 20, the first screw 17 drives the movable plate 18 to move to the right, and the movable plate 18 drives the fitting plate 21 to move through the linkage rod 19, so that the fitting plate 21 and the card plate 6 fit together, and then the fixing rod 22 is inserted into the interior of the fixing hole 23, and the connecting ring 4 is fixed through the clearance fit between the fixing rod 22 and the fixing hole 23, and then the positioning rod 14 is pushed to reset, and the positioning rod 14 is inserted into the interior of the positioning slot 12 and fits with it, so as to fix the driving rod 15.

[0033] In this embodiment, the mounting ring 11 is provided with an adjustment assembly, which includes two rotating rods 31, and the two rotating rods 31 are rotatably connected to the top surface and the bottom surface of the mounting ring 11 through bearings. The inner peripheral wall of the mounting ring 11 is provided with two connecting grooves 27, and the two rotating rods 31 penetrate the mounting ring 11 and extend to the inside of the two connecting grooves 27 respectively. The opposite side of the two rotating rods 31 is movably connected to the second screw 32 with one end extending to the inside thereof, and the opposite side of the two second screws 32 is fixedly connected to the connecting plate 26 The two connecting plates 26 are fixedly connected to the opposite side with a clamping rod 34, the outer peripheral wall of the contact ring 9 is provided with a clamping groove 10, the two clamping rods 34 are extended to the inside of the clamping groove 10, the outer peripheral walls of the two clamping rods 34 are fixedly sleeved with a rubber ring 33, the two connecting plates 26 are fixedly connected to the side away from the contact ring 9 with one end passing through the mounting ring 11 and extending to the outside thereof, the outer peripheral walls of the two rotating rods 31 are provided with a limiting groove 29, and the top and bottom surfaces of the mounting ring 11 are fixedly connected with a limiting rod 30 with one end extending to the inside of the limiting groove 29.

[0034] Among them, the connecting plate 26 is an arc-shaped plate, the connecting plate 26 and the contact ring 9 are fitted, the groove 10 is an annular groove, the rubber ring 33 and the groove 10 are fitted, the two rotating rods 31 are provided with a second threaded hole on the opposite side, the two second screw rods 32 extend to the inside of the two threaded holes respectively and are threadedly connected thereto, the top and bottom surfaces of the mounting ring 11 are provided with through holes, the two support rods 28 respectively penetrate the two through holes and are clearance-matched therewith, the limiting groove 29 is an annular groove, the limiting rod 30 is an L-shaped elastic rod, and the limiting rod 30 and the limiting groove 29 are fitted thereto.

[0035] It should be noted that the parts of the device in contact with the air are all provided with insulating components to achieve insulation treatment, and no insulating components are provided on one side of the contact ring 9 to facilitate external tools to contact it and then perform conductive treatment.

[0036] Specifically, the contact ring 9 is pulled to adjust the placement angle of the contact ring 9, and then the limit rod 30 is pulled to make the limit rod 30 disengage from the limit groove 29, and the rotating rod 31 is rotated. Through the threaded connection between the rotating rod 31 and the second screw rod 32 and the restriction of the connecting plate 26 by the support rod 28, the connecting plate 26 is moved and fits with the contact ring 9, and the clamping rod 34 drives the rubber ring 33 to enter the interior of the clamping groove 10, and the contact ring 9 is fixed through the fit between the rubber ring 33 and the clamping groove 10, and then the limit rod 30 is pushed to reset, and the rotating rod 31 is fixed through the fit between the limit rod 30 and the limit groove 29.

[0037] The working principle of the above embodiment is:

[0038] Push the positioning ring 2 and the connecting ring 4, so that the positioning ring 2 and the connecting ring 4 are both inserted into the placement groove 3, so that the card plate 6 and the support plate 7 are fitted, the positioning ring 2 and the connecting ring 4 are both fitted with the cable 5, the fixing block 24 and the fixing groove 25 are fitted to restrict the connecting ring 4, pull the positioning rod 14, so that the positioning rod 14 is disengaged from the positioning groove 12, and the hand passes through the yield groove 16 to rotate the driving rod 15 to rotate the driving rod 15, and through the threaded connection between the driving rod 15 and the first screw rod 17 and the sliding connection between the moving plate 18 and the moving groove 20, the first screw 17 drives the moving plate 18 to move to the right, and the moving plate 18 drives the fitting plate 21 to move through the linkage rod 19, so that the fitting plate 21 and the card plate 6 are fitted, and then the fixing rod 22 is inserted into the fixing hole 23, and the connecting ring 4 is fixed through the clearance fit between the fixing rod 22 and the fixing hole 23, and then The positioning rod 14 is pushed to reset, the positioning rod 14 is inserted into the interior of the positioning groove 12 and fits therewith, the driving rod 15 is fixed, the contact ring 9 is pulled, the placement angle of the contact ring 9 is adjusted, and then the limiting rod 30 is pulled to make the limiting rod 30 disengage from the limiting groove 29, and the rotating rod 31 is rotated. Through the threaded connection between the rotating rod 31 and the second screw rod 32 and the restriction of the connecting plate 26 by the support rod 28, the connecting plate 26 moves and fits with the contact ring 9, and the clamping rod 34 drives the rubber ring 33 to enter the interior of the clamping groove 10. Through the fit between the rubber ring 33 and the clamping groove 10, the contact ring 9 is fixed, and then the limiting rod 30 is pushed to reset, and the rotating rod 31 is fixed through the fit between the limiting rod 30 and the limiting groove 29. Then, through the cooperation between the positioning ring 2 and the connecting ring 4, the contact area is increased, the conduction effect is improved, and damage to the cable 5 is avoided as much as possible.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel combined large current electrical testing grounding ring, comprising an insulating sleeve (1), characterized in that: The insulating sleeve (1) is provided with a cable (5) therein, the outer peripheral wall of the insulating sleeve (1) is provided with a placement groove (3), a connecting ring (4) and a positioning ring (2) are placed inside the placement groove (3) from left to right, and the cable (5) is located between the connecting ring (4) and the positioning ring (2); The right side surface of the positioning ring (2) is fixedly connected to a connecting rod (8) whose end extends to the right side of the insulating sleeve (1); the right side surface of the connecting rod (8) is fixedly connected to a mounting ring (11); a contact ring (8) is sleeved inside the mounting ring (11); the top and bottom surfaces of the positioning ring (2) are fixedly connected to a support plate (7); the top and bottom surfaces of the connecting ring (4) are fixedly connected to a clamping plate (6); the side surfaces of the two support plates (7) away from the positioning ring (2) are fixedly connected to a fixing plate (13); the left sides of the two support plates (7) are provided with a fixing groove (25); the right sides of the two clamping plates (6) are fixedly connected to a fixing block (24) whose end extends into the inside of the fixing groove (25); A fixing assembly is provided between the two fixing plates (13) for fixing the connecting ring (4), and an adjusting assembly is provided on the mounting ring (11) for adjusting the placement angle of the contact ring (9).

2. According to claim 1, a new type of combined large current electrical testing grounding ring is characterized by: The positioning ring (2) and the connecting ring (4) are both fitted with the insulating sleeve (1), the positioning ring (2) and the connecting ring (4) are both fitted with the cable (5), and the positioning ring (2) and the connecting ring (4) are both semicircular rings.

3. According to claim 2, a new type of combined large current electrical testing grounding ring is characterized by: The clamping plate (6) and the supporting plate (7) located on the same side are in close contact with each other, and the fixing block (24) and the fixing groove (25) are in close contact with each other.

4. According to claim 1, a new type of combined large current electrical testing grounding ring is characterized by: The fixing assembly comprises two bonding plates (21), the two bonding plates (21) are respectively placed on the left side surfaces of the two clamping plates (6), the two fixing plates (13) are provided with a movable groove (20) on the opposite side surfaces, the interiors of the two movable grooves (20) are rotatably connected to a driving rod (15) through a bearing, the left sides of the two driving rods (15) are movably connected to a first screw rod (17) having one end extending into the interior thereof, the left sides of the two first screw rods (17) are fixedly connected to a movable plate (18), the left sides of the two movable plates (18) are fixedly connected to a linkage rod (19), and the two linkage rods (19) are fixedly connected to the movable plate (18). The movable rod (19) is fixedly connected to the two fitting plates (21) respectively; the left sides of the two clamping plates (6) are provided with fixing holes (23); the right sides of the two fitting plates (21) are fixedly connected with fixing rods (22) with one end extending into the fixing hole (23); the side surfaces of the two fixing plates (13) away from the support plate (7) are provided with a clearance groove (16); the outer peripheral walls of the two driving rods (15) are provided with positioning grooves (12); the side surfaces of the two fixing plates (13) away from the support plate (7) are fixedly connected with a positioning rod (14) with one end penetrating the clearance groove (16) and extending into the positioning groove (12).

5. According to claim 4, a new type of combined large current electrical testing grounding ring is characterized by: The fixing rod (22) and the fixing hole (23) are clearance-matched, the movable plate (18) and the movable groove (20) are slidably connected, the linkage rod (19) is an L-shaped rod, the clearance groove (16) and the movable groove (20) are connected, and the positioning groove (12) is an annular groove.

6. A new type of combined large current electrical testing grounding ring according to claim 5, characterized in that: A first threaded hole is provided on the left side of the driving rod (15), the first screw rod (17) extends into the threaded hole and is threadedly connected thereto, the positioning rod (14) is a U-shaped elastic rod, and the positioning rod (14) and the positioning groove (12) are fitted together.

7. According to claim 4, a new type of combined large current electrical testing grounding ring is characterized by: The adjustment assembly comprises two rotating rods (31), the two rotating rods (31) are rotatably connected to the top surface and the bottom surface of the mounting ring (11) through bearings, the inner peripheral wall of the mounting ring (11) is provided with two connecting grooves (27), the two rotating rods (31) penetrate the mounting ring (11) and extend to the inside of the two connecting grooves (27), the opposite side surfaces of the two rotating rods (31) are movably connected to a second screw rod (32) having one end extending to the inside thereof, the opposite side surfaces of the two second screw rods (32) are fixedly connected to a connecting plate (26), and the opposite side surfaces of the two connecting plates (26) are The side surfaces are fixedly connected with a clamping rod (34), the outer peripheral wall of the contact ring (9) is provided with a clamping groove (10), the two clamping rods (34) are extended to the inside of the clamping groove (10), the outer peripheral walls of the two clamping rods (34) are fixedly sleeved with a rubber ring (33), the side surfaces of the two connecting plates (26) away from the contact ring (9) are fixedly connected with a support rod (28) with one end penetrating the mounting ring (11) and extending to the outside thereof, the outer peripheral walls of the two rotating rods (31) are provided with a limiting groove (29), and the top surface and the bottom surface of the mounting ring (11) are fixedly connected with a limiting rod (30) with one end extending to the inside of the limiting groove (29).

8. According to claim 7, a new type of combined large current electrical testing grounding ring is characterized by: The connecting plate (26) is an arc-shaped plate, the connecting plate (26) and the contact ring (9) are fitted together, the clamping groove (10) is an annular groove, the rubber ring (33) and the clamping groove (10) are fitted together, and the two rotating rods (31) are provided with second threaded holes on opposite sides, and the two second screw rods (32) extend into the inside of the two threaded holes respectively and are threadedly connected thereto.

9. A new type of combined large current electrical testing grounding ring according to claim 8, characterized in that: The top and bottom surfaces of the mounting ring (11) are both provided with through holes, the two support rods (28) respectively penetrate the two through holes and are clearance-matched therewith, the limiting groove (29) is an annular groove, the limiting rod (30) is an L-shaped elastic rod, and the limiting rod (30) and the limiting groove (29) are in close contact.

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