CN210350156U - Protection device for preventing grounding wire from falling off - Google Patents
Protection device for preventing grounding wire from falling off Download PDFInfo
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- CN210350156U CN210350156U CN201921752955.7U CN201921752955U CN210350156U CN 210350156 U CN210350156 U CN 210350156U CN 201921752955 U CN201921752955 U CN 201921752955U CN 210350156 U CN210350156 U CN 210350156U
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- 229910000838 Al alloy Inorganic materials 0.000 description 2
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- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
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- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
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Abstract
The utility model discloses a prevent protection device that earth connection drops has solved the inconvenient technical problem of current portable short circuit earth connection articulate and unblock. The utility model discloses a binding clip that links to each other with the earth connection, the binding clip is including articulated left fastener and the right fastener that links to each other, and the articulated department of left fastener and right fastener is provided with the torsional spring, and two ends of torsional spring top joint respectively are in the inboard of left fastener and the inboard of right fastener, the outer terminal surface that right fastener is located the torsional spring downside articulates there is the lock bar, and the lock bar is connected with the haulage rope, and the tip and the right fastener activity stop cooperation of hinged end are kept away from to the lock bar, have seted up on the lock bar through the groove, have the stop face through the inslot, articulated on the fastener of a left side have with stop face activity fit. The utility model discloses can be through opening and shutting of haulage rope remote control binding clip, and then realize being connected the portable type earth connection with the high-voltage line conveniently and demolish.
Description
Technical Field
The invention relates to the technical field of ground wire connection, in particular to a protection device for preventing a ground wire from falling off during line maintenance.
Background
The short circuit grounding wire is a safety short circuit device which is hung in the power industry before equipment or a line is overhauled after power failure and is used as a safety protection tool for preventing an absolute operator or equipment from being injured when a sudden call is received.
The existing portable short circuit grounding wire consists of an insulating support rod and a wire clamp, wherein the wire clamp is die-cast by high-quality aluminum alloy and has high strength, and the surface of the wire clamp is not suitable for oxidation after surface treatment. The operation rod is refined into a colored tube by imported epoxy resin, and has the advantages of good insulating property, high strength, light weight, bright color and smooth appearance. However, when the line of the high-voltage tower pole is overhauled, the grounding operation by using the existing portable short-circuit grounding wire is very inconvenient: firstly, the high-voltage tower pole is high, so that a maintainer cannot clamp and hang a conductor on a high-voltage line through an insulating support rod on the ground; secondly, after a maintainer climbs the tower pole, if the insulating support rod is short, the maintainer cannot contact the high-voltage wire, and if the insulating support rod is long enough, the maintainer cannot carry the high-voltage wire, so that the portable short-circuit grounding wire is inconvenient to operate on the tower pole; third, the conventional portable short-circuit grounding wire cannot be conveniently hooked with the high-voltage wire through a wire clamp, and cannot be conveniently unlocked with the high-voltage wire.
Disclosure of Invention
In view of the above-mentioned shortcomings in the background art, the present invention provides a protection device for preventing a ground wire from falling off, which solves the technical problem of inconvenient hanging and unlocking of the existing portable short circuit ground wire.
The technical scheme of the invention is realized as follows: a protection device for preventing a grounding wire from falling off comprises a jointing clamp connected with the grounding wire, and the grounding wire is connected with the conducting wire by hanging the jointing clamp and the conducting wire. The binding clip comprises a left wire clamp and a right wire clamp which are connected in a hinged mode, a torsional spring is arranged at the hinged position of the left wire clamp and the right wire clamp, two tail ends of the torsional spring are respectively connected to the inner side of the left wire clamp and the inner side of the right wire clamp in a propping mode, and the left wire clamp and the right wire clamp are in a closed state under the effect of no external force under the effect of the torsional spring. The right side fastener is located that the outer terminal surface of torsional spring downside articulates there is the locking pole, and the locking pole can right fastener relatively rotate, and the locking pole is connected with the haulage rope, can exert pulling force to the locking pole by long distance through the haulage rope. The end part of the locking rod, far away from the hinged end, is matched with the movable stop of the right wire clamp, and when the locking rod rotates to a certain angle relative to the right wire clamp, the locking rod can be stopped on the right wire clamp. The left wire clamp is hinged with a support rod movably matched with the blocking surface. When the wire clamp is used, when the support rod is matched with the stop surface in a stop way, the support rod can be balanced with the elasticity of the torsion spring, so that the left wire clamp and the right wire clamp are in an opening state; when the left wire clamp and the right wire clamp are in a closed state, the pulling ropes can be pulled to open the left wire clamp and the right wire clamp.
Furthermore, the left wire clamp is provided with a mounting hole opposite to the right wire clamp, the right wire clamp is provided with a movable hole corresponding to the mounting hole, the supporting rod is hinged in the mounting hole and penetrates through the movable hole, one end of the supporting rod penetrating through the movable hole is matched with the blocking surface, the mounting hole and the movable hole are arranged, so that the weight of the whole device is reduced, the movable range of the supporting rod can be limited, and the propping and connecting convenience of the supporting rod to the blocking surface is fully guaranteed.
Furthermore, the support rod is hinged to the left wire clamp above the torsion spring, the tightening spring is arranged between the upper end face of the support rod and the side wall of the mounting hole and is in compression joint with the hinged end of the support rod, the other end of the support rod can always keep the upward tilting trend, and the support rod is guaranteed to be more stable and reliable when supporting and blocking faces and cannot be accidentally loosened.
Furthermore, the left wire clamp and the right wire clamp are symmetrically arranged wire clamps with the same structure, the left wire clamp and the right wire clamp both comprise arc sections which are arched outwards, and the arc sections can more reliably clamp the high-voltage wire; the two ends of the arc-shaped section are respectively connected with a first vertical section and a second vertical section, the left wire clamp and the right wire clamp are hinged through the respective first vertical sections, and then an opening and closing opening of the jointing clamp is formed between the two second vertical sections.
Furthermore, the hinged end of the locking rod is connected to the first vertical section of the right wire clamp, and the grounding wire is connected to the first vertical section of the left wire clamp, so that the structure can be simplified, and the opening and closing actions of the opening and closing of the jointing clamp are not influenced.
Further, the tip that the hinged end was kept away from to the locking pole is provided with first V-arrangement pole, the locking hole that supplies first V-arrangement pole to pass is all seted up to the vertical section of second of right side fastener and the vertical section of second of left side fastener, and when two vertical sections of second were kept away from, the lateral wall of first V-arrangement pole was laminated mutually with the inner wall in the locking hole on the right side fastener. When left fastener and right fastener were in the closure state, two locking holes can be passed to first V-arrangement pole, fully guarantee the binding clip to the reliability of high-voltage line centre gripping, when left fastener and right fastener opened when manual operation, left fastener was kept away from to first V-arrangement pole can drive the right fastener again.
Further, the end of the first vertical section of the left wire clamp or/and the end of the first vertical section of the right wire clamp is provided with a roller, the traction rope is connected with the left wire clamp or/and the right wire clamp through the roller, and the traction operation of the traction rope can be smoother and more labor-saving through the roller.
Furthermore, a second V-shaped rod is arranged at the hinged end of the locking rod, a first hinged plate with a hinged hole is arranged on the outer wall of the second vertical section of the right wire clamp, the bending part of the second V-shaped rod is connected with the hinged hole of the first hinged plate through a hinged shaft, and the traction rope is connected to the end part of the second V-shaped rod. The second V-shaped rod is convenient for the traction operation of the traction rope, so that the traction end of the locking rod and the right wire clamp have enough range of motion.
Furthermore, two second hinged plates are arranged on the inner side of the left wire clamp at intervals, two third hinged plates are arranged on the inner side of the right wire clamp and correspond to the second hinged plates, corresponding middle hinged holes are formed in the second hinged plates and the third hinged plates, and the left wire clamp and the right wire clamp are hinged and connected through a central shaft matched with the middle hinged holes.
Further, two third hinge plate joint are between two second hinge plates, the torsional spring alternates on the center pin and be located between two third hinge plates, can reliably be spacing to two ends of torsional spring.
The invention has the beneficial effects that: can be through the remote control binding clip's of haulage rope opening and shutting, and then realize being connected the portable type earth connection with the high-voltage line conveniently and demolish. When the device is used for high-voltage maintenance, a high-voltage maintainer overcomes the elasticity of the torsion spring through manual operation after climbing up the tower pole, so that the left wire clamp and the right wire clamp are in an open state, then the support rod is operated, the end part of the support rod is supported on the stop surface of the locking rod, and the wiring clamp is always in the open state when not subjected to external force under the support of the support rod; then, under the condition that the maintainer uses the insulating protective tool, the maintainer pulls the grounding wire to enable the opened jointing clamp to gradually fall onto the high-voltage wire; when the high-voltage wire is positioned between the left wire clamp and the right wire clamp, the maintainer pulls the traction rope, the traction rope can drive the locking rod to rotate, the blocking surface of the locking rod is separated from the supporting rod, and the left wire clamp and the right wire clamp reliably clamp the high-voltage wire under the elastic action of the torsion spring; in addition, a maintainer can also put down the jointing clamp through the traction rope, and under the action of the tensioning spring, the support rod cannot be separated from the blocking surface as long as the traction rope is not shaken forcibly; when the connection of binding clip and high-voltage line need be relieved, only need stimulate the haulage rope and drive the locking pole and rotate, the locking pole can drive right fastener and left fastener separation.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
Fig. 1 is a schematic sectional structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Embodiment 1, a protection device for preventing a ground wire from falling off, as shown in fig. 1, includes a jointing clamp 1 connected to a ground wire 2, the jointing clamp 1 is made of high-quality aluminum alloy by die casting, the ground wire is fixedly connected to the jointing clamp 1 through a bolt set 12, and the connection between the ground wire 2 and a lead is realized through the hooking of the jointing clamp 1 and the lead.
The binding clip 1 includes articulated left fastener 3 and the right fastener 4 that links to each other, and the articulated department of left fastener 3 and right fastener 4 is provided with torsional spring 5, and two ends of torsional spring 5 top joint respectively are in the inboard of left fastener 3 and the inboard of right fastener 4, and under torsional spring 5's effect, left fastener 3 and right fastener 4 are in the closure state under not receiving the effect of external force.
The inner side of the left wire clamp 3 is provided with two second hinged plates 4-2 at intervals, the inner side of the right wire clamp 4 is provided with two third hinged plates 4-3 corresponding to the second hinged plates 4-2, the second hinged plates 4-2 and the third hinged plates 4-3 are provided with corresponding middle hinged holes, and the left wire clamp 3 and the right wire clamp 4 are hinged and connected through a central shaft 4-5 matched with the middle hinged holes. The two third hinged plates 4-3 are clamped between the two second hinged plates 4-2, so that the reliability of the hinged structure is fully ensured; the torsion spring 5 is inserted in the central shaft 4-5 and positioned between the two third hinge plates 4-3, and the two tail ends of the torsion spring 5 can be reliably limited.
The outer end face of the right wire clamp 4, which is located on the lower side of the torsion spring 5, is hinged with a locking rod 6, the locking rod 6 can rotate relative to the right wire clamp 4, the end part, away from the hinged end, of the locking rod 6 is matched with the movable stop of the right wire clamp 4, and after the locking rod 6 rotates to a certain angle relative to the right wire clamp 4, the locking rod 6 can be stopped on the right wire clamp 4, so that the right wire clamp 4 is driven to be away from the left wire clamp 3. Locking pole 6 is connected with haulage rope 7, can exert the pulling force to locking pole 6 by the long distance through haulage rope 7, and then drives locking pole 6 and rotate, and then locking pole 6 can drive right fastener 4 and rotate.
The left wire clamp 3 is hinged with a support rod 10 which is movably matched with the blocking surface 6-2. When in use, when the support rod 10 is matched with the stop surface in a stop way, the support rod can be balanced with the elasticity of the torsion spring 5, so that the left wire clamp 3 and the right wire clamp 4 are in an opening state; when the left wire clamp 3 and the right wire clamp 4 are in a closed state, the pulling ropes 7 can be pulled to open.
When the device is used for high-voltage electric overhaul, after a maintainer with high voltage climbs a tower pole, the maintainer overcomes the elasticity of the torsion spring 5 through manual operation to enable the left wire clamp 3 and the right wire clamp 4 to be in an open state, then the support rod 10 is operated to enable the end part of the support rod 10 to be supported on the stop surface 6-2 of the locking rod 6, and the jointing clamp 1 is always in the open state when not subjected to external force under the support of the support rod 10.
Then, under the condition that the maintainer uses the insulating protective tool, the maintainer pulls the grounding wire 2 to enable the opened jointing clamp 1 to gradually fall onto the high-voltage wire; when a high-voltage wire is positioned between the left wire clamp 3 and the right wire clamp 4, the maintainer pulls the traction rope 7, the traction rope 7 drives the locking rod 6 to rotate, the blocking surface 6-2 of the locking rod 6 is separated from the supporting rod 10, and the left wire clamp 3 and the right wire clamp 4 reliably clamp the high-voltage wire under the elastic action of the torsion spring 5.
When the connection of binding clip 1 and high-voltage line is relieved to needs, only need pulling haulage rope 7 to drive locking pole 6 and rotate, locking pole 6 can drive right fastener 4 and the separation of left fastener 3.
The other structure of this embodiment is the same as embodiment 1.
Embodiment 3, a protection device for preventing earth connection drops, the bracing piece 10 articulates in the upside of torsional spring 5, is provided with between the up end of bracing piece 10 and the lateral wall on the mounting hole 8 and props up the tension spring 11, props up the tension spring 11 crimping and is in the hinged end of bracing piece 10, can make the other end of bracing piece 10 remain the trend of upwards perk all the time, has guaranteed that bracing piece 10 is more reliable and more stable when supporting stop surface 6-2, and can not unexpected pine takes off.
The maintainer can also put down the jointing clamp 1 through the hauling rope 7, and under the action of the tensioning spring 11, the supporting rod 10 has the tendency of tilting upwards, so that the end part of the supporting rod 10 can be stably attached and supported with the blocking surface 6-2, and the supporting rod 10 cannot be separated from the blocking surface 6-2 as long as the hauling rope 7 is not shaken forcibly.
The other structure of this embodiment is the same as embodiment 1 or 2.
Embodiment 4, a protection device for preventing a ground wire from falling off, where a left wire clamp 3 and a right wire clamp 4 are symmetrically arranged and have the same structure, and both the left wire clamp 3 and the right wire clamp 4 include an outwardly arched arc-shaped section 3-3, and the arc-shaped section 3-3 can more reliably clamp a high-voltage wire; the two ends of the arc-shaped section 3-3 are respectively connected with a first vertical section 3-1 and a second vertical section 3-2, the left wire clamp 3 and the right wire clamp 4 are hinged through the respective first vertical sections 3-1, and an opening and closing opening of the jointing clamp 1 is formed between the two second vertical sections 3-2.
The other structure of this embodiment is the same as embodiment 1, 2 or 3.
Embodiment 5, a protection device for preventing earth connection drops, the hinged end of locking lever 6 is connected on the first vertical section 3-1 of right fastener 4, earth connection 2 is connected on the first vertical section 3-1 of left fastener 3, can enough simplify the structure, does not influence the action that opens and shuts of binding clip 1 opening and shutting again.
The other structure of this embodiment is the same as embodiment 4.
Embodiment 6, a protection device for preventing earth connection drops, the tip that the hinged end was kept away from to locking pole 6 is provided with first V-arrangement pole 6-3, the second vertical section 3-2 of right fastener 4 and the second vertical section 3-2 of left fastener 3 all offer the locking hole 3-4 that supplies first V-arrangement pole 6-3 to pass, when two second vertical sections 3-2 kept away from, the lateral wall of first V-arrangement pole 6-3 and the inner wall of locking hole 3-4 on the right fastener 4 laminated mutually. When the left wire clamp 3 and the right wire clamp 4 are in a closed state, the first V-shaped rod 6-3 can penetrate through the two locking holes 3-4, the reliability of the jointing clamp 1 for clamping a high-voltage wire is fully guaranteed, and when the left wire clamp 3 and the right wire clamp 4 are opened during manual operation, the first V-shaped rod 6-3 can drive the right wire clamp 4 to be far away from the left wire clamp 3.
The other structure of this embodiment is the same as embodiment 5.
Embodiment 7, a protection device for preventing a ground wire from falling off, the end of the first vertical section 3-1 of the left wire clamp 3 or/and the end of the first vertical section 3-1 of the right wire clamp 4 is provided with a roller 3-5, the traction rope 7 is connected with the left wire clamp 3 or/and the right wire clamp 4 through the roller 3-5, and the traction operation on the traction rope 7 can be smoother and more labor-saving through the arrangement of the roller 3-5.
The other structure of this embodiment is the same as embodiment 5 or 6.
Embodiment 8, a protective device for preventing a ground wire from falling off, wherein a second V-shaped rod 6-4 is arranged at the hinged end of a locking rod 6, a first hinged plate 4-1 with a hinged hole is arranged on the outer wall of a second vertical section 3-2 of a right wire clamp 4, the bent part of the second V-shaped rod 6-4 is connected with the hinged hole of the first hinged plate 4-1 through a hinged shaft 4-4, and a traction rope 7 is connected at the end part of the second V-shaped rod 6-4. The second V-shaped rod 6-4 is arranged to facilitate the traction operation of the traction rope 7, so that the traction end of the locking rod 6 has enough range of motion with the right wire clamp 4.
The other structure of this embodiment is the same as embodiment 7.
Nothing in this specification is intended to be exhaustive of all conventional and well known techniques.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A protection device for preventing a grounding wire from falling off comprises a jointing clamp (1) connected with a grounding wire (2), and is characterized in that: the jointing clamp (1) comprises a left wire clamp (3) and a right wire clamp (4) which are connected in a hinged mode, a torsion spring (5) is arranged at the hinged position of the left wire clamp (3) and the right wire clamp (4), two tail ends of the torsion spring (5) are respectively connected with the inner side of the left wire clamp (3) and the inner side of the right wire clamp (4) in a jacking mode, the outer end face, located on the lower side of the torsion spring (5), of the right wire clamp (4) is hinged to a locking rod (6), the locking rod (6) is connected with a traction rope (7), the end portion, far away from the hinged end, of the locking rod (6) is in movable stop fit with the right wire clamp (4), a through groove (6-1) is formed in the locking rod (6), a stop face (6-2) is arranged in the through groove (6-1), and a supporting rod (10).
2. The protection device for preventing the grounding wire from falling off as claimed in claim 1, wherein: the left wire clamp (3) is provided with a mounting hole (8) opposite to the right wire clamp (4), the right wire clamp (4) is provided with a movable hole (9) corresponding to the mounting hole (8), the support rod (10) is hinged in the mounting hole (8) and penetrates through the movable hole (9), and one end, penetrating through the movable hole (9), of the support rod (10) is matched with the blocking surface (6-2).
3. The protection device for preventing the grounding wire from falling off as claimed in claim 2, wherein: the support rod (10) is hinged to the left wire clamp (3) above the torsion spring (5), and a tension spring (11) is arranged between the upper end face of the support rod (10) and the side wall of the mounting hole (8).
4. A protective device for preventing a ground wire from coming off according to any one of claims 1 to 3, wherein: the wire clamp is characterized in that the left wire clamp (3) and the right wire clamp (4) are symmetrically arranged and have the same structure, the left wire clamp (3) and the right wire clamp (4) both comprise outwards arched arc sections (3-3), two ends of each arc section (3-3) are respectively connected with a first vertical section (3-1) and a second vertical section (3-2), and the left wire clamp (3) and the right wire clamp (4) are hinged through the respective first vertical sections (3-1).
5. The protection device for preventing the grounding wire from falling off according to claim 4, wherein: the hinged end of the locking rod (6) is connected to the first vertical section (3-1) of the right wire clamp (4), and the grounding wire (2) is connected to the first vertical section (3-1) of the left wire clamp (3).
6. The protection device for preventing the grounding wire from falling off as claimed in claim 5, wherein: the end part of the hinged end far away from the locking rod (6) is provided with a first V-shaped rod (6-3), the second vertical section (3-2) of the right wire clamp (4) and the second vertical section (3-2) of the left wire clamp (3) are provided with locking holes (3-4) for the first V-shaped rod (6-3) to pass through, and when the two second vertical sections (3-2) are far away, the outer side wall of the first V-shaped rod (6-3) is attached to the inner wall of the locking hole (3-4) on the right wire clamp (4).
7. The protection device for preventing the grounding wire from falling off according to claim 5 or 6, wherein: the end part of the first vertical section (3-1) of the left wire clamp (3) or/and the end part of the first vertical section (3-1) of the right wire clamp (4) is/are provided with rollers (3-5), and the traction rope (7) is connected with the left wire clamp (3) or/and the right wire clamp (4) through the rollers (3-5).
8. The device for protecting a ground wire from coming off according to claim 7, wherein: the hinge end of the locking rod (6) is provided with a second V-shaped rod (6-4), the outer wall of the second vertical section (3-2) of the right wire clamp (4) is provided with a first hinged plate (4-1) with a hinged hole, and the bending part of the second V-shaped rod (6-4) is connected with the hinged hole of the first hinged plate (4-1) through a hinged shaft (4-4).
9. The protection device for preventing the grounding wire from falling off as claimed in claim 1, 2, 5, 6 or 8, wherein: the inner side of the left wire clamp (3) is provided with two second hinged plates (4-2) at intervals, the inner side of the right wire clamp (4) is provided with two third hinged plates (4-3) corresponding to the second hinged plates (4-2), the second hinged plates (4-2) and the third hinged plates (4-3) are provided with corresponding middle hinged holes, and the left wire clamp (3) and the right wire clamp (4) are hinged and connected through a central shaft (4-5) matched with the middle hinged holes.
10. The protection device for preventing the grounding wire from falling off as claimed in claim 9, wherein: the two third hinged plates (4-3) are clamped between the two second hinged plates (4-2), and the torsion spring (5) is inserted in the central shaft (4-5) and is positioned between the two third hinged plates (4-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752955.7U CN210350156U (en) | 2019-10-18 | 2019-10-18 | Protection device for preventing grounding wire from falling off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752955.7U CN210350156U (en) | 2019-10-18 | 2019-10-18 | Protection device for preventing grounding wire from falling off |
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| Publication Number | Publication Date |
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| CN210350156U true CN210350156U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921752955.7U Active CN210350156U (en) | 2019-10-18 | 2019-10-18 | Protection device for preventing grounding wire from falling off |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600908A (en) * | 2019-10-18 | 2019-12-20 | 国网河南省电力公司濮阳供电公司 | Ground wire anti-drop protection device |
-
2019
- 2019-10-18 CN CN201921752955.7U patent/CN210350156U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600908A (en) * | 2019-10-18 | 2019-12-20 | 国网河南省电力公司濮阳供电公司 | Ground wire anti-drop protection device |
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