CN211045774U

CN211045774U - Portable high-voltage grounding wire with anti-misoperation locking device

Info

Publication number: CN211045774U
Application number: CN201922050877.2U
Authority: CN
Inventors: 曹留; 杨肖辉; 王秀龙; 薛鹏; 绳飞; 刘英昌; 谷峰颉; 刘振军; 王坤; 陈雷; 阿地力·艾亚斯; 杨宇星
Original assignee: State Grid Xinjiang Electric Power Co Ltd Urumqi Power Supply Co; State Grid Corp of China SGCC
Current assignee: State Grid Xinjiang Electric Power Co Ltd Urumqi Power Supply Co; State Grid Corp of China SGCC
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-17
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a portable high-pressure earth connection with prevent maloperation blocking device, it can be so that the operation mandatory of earth connection accord with the operation regulation, is favorable to standardizing operation flow and guarantee safety compliance work. The middle wire end clamp of the utility model is provided with an assembly groove, and a spring rod is assembled on the assembly groove; one end of the assembling groove extends into the through hole, and the other end of the assembling groove is a through bayonet I arranged on the wire end clamp; the supporting rod is provided with a groove; one end of the spring rod, corresponding to the bayonet I, is an inclined chamfer, a spring is sleeved at a position, far away from the inclined chamfer, on the spring rod, and the position and the shape of one end, far away from the bayonet I, of the spring rod are matched with those of the groove; a convex rod is arranged on the surface of the upper horizontal part of the grounding terminal body of the grounding terminal close to the vertical part; a locking platform extends out of the side face of the wire end clamp, and a clamp nut assembling hole and a bayonet II are formed in the locking platform; a special key is rotatably arranged in the clamp nut assembling hole.

Description

Portable high-voltage grounding wire with anti-misoperation locking device

Technical Field

The utility model relates to a high-voltage grounding wire, one end of which is a grounding end, and the other end of which is a wire end; the wire end comprises a wire end clamp, and a support rod penetrating through a through hole in the clamp is arranged on the wire end; the grounding end comprises a grounding end body and a bolt mechanism; the bolt mechanism is used for clamping the angle steel of the tower in the grounding end body.

Background

When a 35kV-220kV high-voltage line is overhauled in a power failure mode, in order to prevent an electric shock of an operator caused by sudden power on of the overhaul line and induction electrification, a grounding wire must be installed on the power failure overhaul line on the premise of strictly executing a power cut and transmission management system, and the grounding wire is detached after overhaul operation is completed. Wherein the portable high voltage grounding wire (as shown in figure a) is commonly used. According to relevant regulations in Q/GDW1799.2-2013 electric power safety work regulations (line part) of State grid corporation, when the portable grounding wire is assembled and disassembled, the portable grounding wire meets the requirements that a grounding end is connected firstly, then a wire end is connected, the grounding wire is in good contact, and the connection is reliable. The order of disconnecting the earth wires is reversed. "technical requirements. However, the following illegal operation behaviors often exist when the portable grounding wire is actually assembled and disassembled: firstly connecting a lead end and then connecting a grounding end; firstly, disassembling the grounding end and then disassembling the wire end; the disconnection and fastening of the grounding terminal can cause the falling of the grounding terminal. In order to avoid the three illegal operation behaviors, a plurality of related precautionary measures are established at home and abroad at present, but the organization measures which are continuously perfected on site are taken as the main measures, and the technical device can not be considered, so that effective physical locking is formed, and the intrinsic safety problem is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough to among the above-mentioned prior art discloses a portable high-pressure earth connection with prevent maloperation blocking device, and it can be so that the operation mandatory compliance operation regulation of earth connection is favorable to standardizing operation flow and guarantee safety compliance work.

The utility model provides a technical scheme that its technical problem adopted is: the portable high-voltage grounding wire with the misoperation prevention locking device is characterized in that one end of the grounding wire is a grounding end, and the other end of the grounding wire is a wire end; the wire end comprises a wire end clamp, and a support rod penetrating through a through hole in the clamp is arranged on the wire end; the grounding end comprises a grounding end body and a bolt mechanism; the bolt mechanism is used for clamping the angle steel of the tower in the grounding end body; the method is characterized in that:

an assembly groove is formed in the wire end clamp, and a spring rod is assembled on the assembly groove; one end of the assembling groove extends into the through hole, and the other end of the assembling groove is a through bayonet I arranged on the wire end clamp; the supporting rod is provided with a groove; one end of the spring rod, corresponding to the bayonet I, is an inclined chamfer, a spring is sleeved at a position, far away from the inclined chamfer, on the spring rod, and the position and the shape of one end, far away from the bayonet I, of the spring rod are matched with those of the groove;

a convex rod is arranged on the surface of the upper horizontal part of the grounding end body of the grounding end, which is close to the vertical part, a smooth chamfer is arranged on the convex rod, and the convex rod is inserted into the bayonet I from the bottom and matched with the chamfer of the inclined plane of the spring rod to drive the spring rod to move horizontally along the direction far away from the bayonet I;

a locking platform extends out of the side face of the wire end clamp, and a clamp nut assembling hole and a bayonet II are formed in the locking platform; a special key is rotatably arranged in the clamp nut assembling hole;

a stepped hole corresponding to the clip nut assembly hole is arranged at the upper horizontal part of the grounding end body of the grounding end, the lower part of the stepped hole is a unthreaded hole, the upper part of the stepped hole is a counter bore, and the diameter of the counter bore is larger than that of the unthreaded hole; a translation sliding groove communicated with the unthreaded hole is formed in the upper horizontal part and in the direction perpendicular to the axial direction of the unthreaded hole, a swing sliding groove extending in the vertical direction is formed in one end, away from the unthreaded hole, of the translation sliding groove, a fixed rod is installed in the swing sliding groove, and the top of the swing sliding groove extends to the upper surface of the upper horizontal part;

the bolt mechanism of the grounding end comprises an automatic buckle; the automatic buckle comprises a translation spring sliding rod assembled in the translation sliding chute in a sliding manner, and a return spring is sleeved on the translation spring sliding rod; one end of the translational spring slide bar, which is far away from the unthreaded hole, is connected and installed with a vertical spring slide bar, the vertical spring slide bar is installed in a hollow slide groove of the hook in a sliding way, and the bottom of the vertical spring slide bar is positioned below the hook; a fixed rod through hole for assembling on the fixed rod is formed in the hook, and the top of the hook extends to the upper horizontal part; the top of the hook is matched with a bayonet II of the wire end;

the bolt mechanism comprises a hollow screw, a pressing plate is arranged at the bottom of the hollow screw, a sliding rod is slidably mounted in the hollow screw, and one side, close to the translation chute, of the sliding rod is connected with a sliding block through a spring; the position of the hollow screw corresponding to the slide block is a notch, and the top of the hollow screw is meshed with a nut in the countersunk hole; the nut is provided with a square blind hole, and correspondingly, the special key is provided with a hollow cube inserted into the square blind hole; when the slide bar stretches into the top end inside the hollow screw, the slide block is attached to the slide bar, and the end of the translational spring slide bar stretches into the notch.

As a preferred embodiment of the present invention: the special key rotates to drive the nut to rotate, the pressing plate presses downwards, the sliding rod rises along the interior of the hollow screw, the distance between the sliding block and the sliding rod is reduced, the end of the translational spring sliding rod extends into the notch, and the vertical spring sliding rod moves downwards to drive the hook to swing and be separated from the bayonet II; the lead ends are separated from the ground.

As a preferred embodiment of the present invention: the top and the bottom of the sliding block are respectively an upper edge slope and a lower edge slope; correspondingly, the bottom of the sliding rod is provided with a downward slope, the sliding rod is of a cylindrical structure, a fan-shaped structure is arranged above the downward slope, a sliding rod spring connecting hole is formed in the fan-shaped structure part of the sliding rod, a sliding block spring connecting hole is formed in the center of the sliding block, and the sliding block spring connecting hole is connected with the sliding rod spring connecting hole through a spring; an upper slope is arranged at the top of the interior of the hollow screw rod, the hollow screw rod is of a cylinder structure, and the opening is arranged below the upper slope of the hollow screw rod; the lower edge slope and the upper edge slope have the same angle with the lower slope of the upper slope, and the length of the lower edge slope is half of that of the lower slope.

As a preferred embodiment of the present invention: the sliding rod is sleeved with a return spring, the diameter of the return spring on the sliding rod is R, and the diameter of the sliding rod is R; a through hole corresponding to the hollow screw is formed in the pressing plate, and the aperture of the through hole is larger than R and smaller than R; r is less than R; the inner diameter of the hollow screw is phi, and R is more than R and less than phi.

As a preferred embodiment of the present invention: the top of the vertical spring slide rod is provided with a square sliding piece, the radial size of the square sliding piece is larger than that of the vertical spring slide rod, and the bottom end of the vertical spring slide rod is exposed out of the lower end opening of the hook and then is connected with the slide rod connecting pin hole and the translation spring slide rod connecting pin hole through pins.

As a preferred embodiment of the present invention: a spring rod cover plate is fixed on the assembly groove through a structure connected with a bolt and a screw hole, and the spring rod is positioned between the spring rod cover plate and the assembly groove; the locking platform is divided into two symmetrical parts along the length direction of the locking platform, the two parts are connected through bolts, and the two symmetrical parts comprise the clamp nut assembling holes and the bayonets II; the upper horizontal part of the grounding terminal body is divided into two symmetrical parts along the length direction of the upper horizontal part, the two parts are connected through bolts, and the two symmetrical parts comprise the step hole, the translation sliding groove and the swing sliding groove.

As a preferred embodiment of the present invention: the side surface of the upper surface of the stepped hole of the grounding terminal body is provided with a bulge for aligning with the locking platform; the upper surface cover of bayonet II is equipped with the protective cap.

As a preferred embodiment of the present invention: the natural state of the spring rod on the wire end is as follows: one end of the spring rod with the bevel chamfer extends out of the bayonet I on the wire end clamp for a certain distance, but does not extend out of the through hole where the supporting rod is located; the smooth chamfer angle of the convex rod is a 45-degree chamfer angle, and the corresponding inclined chamfer angle is a 45-degree chamfer angle matched and corresponding to the smooth chamfer angle; when the convex rod extends into the highest position in the bayonet II, the distance that the lowest edge of the smooth chamfer angle of the convex rod extends out of the bayonet I is 5 mm.

As a preferred embodiment of the present invention: after the sliding block and the sliding rod are assembled, when a spring connecting the sliding block and the sliding rod is in a natural state, the outermost edge of the sliding block reaches the middle position of the upper slope; after the grounding terminal bolt mechanism is screwed with the grounding terminal, the upper exposed part of the bolt mechanism is flush with the uppermost edge of the grounding terminal.

Compared with the prior art, the utility model has the following advantage:

the utility model discloses can guarantee: (1) before the grounding end of the grounding wire is not completely installed and the bolt is screwed down, the wire end clamp cannot be normally opened; (2) before the wire end of the grounding wire is not removed, the bolt at the grounding end cannot be normally unscrewed. The technical requirements of the existing operation are met. The problem of illegal operation when the portable high-voltage grounding wire is hung is fundamentally solved, and personal casualty accidents caused by misoperation of operating personnel in the operation process are avoided. The invention is only an improvement of the original high-voltage grounding wire, can ensure that power failure maintenance operators can operate according to the standard when assembling and disassembling the grounding wire from the technical aspect, is more convenient to use, can not increase the operation steps and difficulty of high-altitude operators, and is easy to popularize and apply.

Drawings

Fig. 1-1 is a schematic structural view of an embodiment of the spring rod of the present invention;

fig. 1-2 are schematic structural views of the spring rod cover plate of the present invention;

FIG. 2 is a schematic diagram of one embodiment of a lead end clamp according to the present invention;

fig. 3 is a schematic structural view of an embodiment of the support rod of the present invention;

FIG. 4 is an enlarged view of the structure at A of FIG. 3;

fig. 5 is a schematic structural diagram of an embodiment of the special key of the present invention;

fig. 6 is a schematic structural diagram of an embodiment of the ground terminal of the present invention;

FIG. 7 is a partially enlarged schematic view of FIG. 6;

FIG. 8-1 is a schematic structural view of the sliding spring rod of the automatic buckle of the present invention;

FIG. 8-2 is a schematic structural view of a spring slide bar for automatic snapping;

FIG. 8-3 is a schematic structural view of a hook for automatic snapping;

fig. 9 is a schematic structural diagram of an embodiment of the bolt mechanism of the present invention;

FIG. 10-1 is a schematic view of the construction of the slide bar of the bolt mechanism;

FIG. 10-2 is a schematic structural view of a slider of the bolt mechanism;

fig. 11 is a schematic half-sectional view of a nut of the ground terminal.

Description of reference numerals:

1-through hole, 2-bayonet I, 3-special key, 4-bayonet II, 5-assembly groove, 6-convex rod, 7-bulge, 8-countersink, 9-translation chute, 10-hollow chute, 11-bayonet platform, 12-clip nut assembly hole, 13-upper slope, 14-hollow screw rod, 15-slide block, 16-slide rod, 17-nut and 18-hollow cube; 21-screw hole, 22-assembly groove, 23-spring rod, 24-bevel chamfer, 25-wire end clip, 26-groove, 27-support rod, 28-unthreaded inner hole, 29-unthreaded hole, 30-ground end, 31-fixed rod, 32-translational spring rod, 33-rod connection pin hole, 34-translational spring rod connection pin hole, 35-vertical spring rod, 36-fixed rod through hole, 37-hook, 38-pressing plate, 39-external thread, 40-rod spring connection hole, 41-slider spring connection hole, 42-internal thread hole.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

As shown in fig. 1 to 11, which show a specific embodiment of the present invention; the portable high-voltage grounding wire with the misoperation prevention locking device is characterized in that one end of the grounding wire is a grounding end, and the other end of the grounding wire is a wire end; the lead end comprises a lead end clamp 25, and a support rod 27 penetrating through a through hole in the clamp is arranged on the lead end; the grounding end comprises a grounding end body and a bolt mechanism; the bolt mechanism is used for clamping the angle steel of the tower in the grounding end body; the method is characterized in that:

an assembly groove 5 is formed in the wire end clamp, and a spring rod 23 is assembled in the assembly groove; one end of the assembling groove extends into the through hole, and the other end of the assembling groove is provided with a through bayonet I2 arranged on the wire end clamp; the supporting rod is provided with a groove 26; the end, corresponding to the bayonet I, of the spring rod is an inclined chamfer 24, a spring is sleeved at a position, far away from the inclined chamfer, of the spring rod, and the end, far away from the bayonet I, of the spring rod is matched with the position and the shape of the groove;

a convex rod 6 is arranged on the surface of the upper horizontal part of the grounding end body of the grounding end, close to the vertical part, and is provided with a smooth chamfer, and the convex rod is inserted into the bayonet I from the bottom and matched with the chamfer of the inclined plane of the spring rod to drive the spring rod to move horizontally along the direction far away from the bayonet I;

a locking platform extends out of the side face of the wire end clamp, and a clamp nut assembling hole 12 and a bayonet II4 are formed in the locking platform; a special key 3 is rotatably arranged in the clamp nut assembling hole;

a stepped hole corresponding to the clip nut assembly hole is arranged at the upper horizontal part of the grounding end body of the grounding end, the lower part of the stepped hole is a unthreaded hole 29, the upper part of the stepped hole is a counter bore 8, and the diameter of the counter bore is larger than that of the unthreaded hole; a translation sliding groove communicated with the unthreaded hole is formed in the upper horizontal part and in the direction perpendicular to the axial direction of the unthreaded hole, a swing sliding groove extending in the vertical direction is formed in one end, away from the unthreaded hole, of the translation sliding groove, a fixed rod 31 is installed in the swing sliding groove, and the top of the swing sliding groove extends to the upper surface of the upper horizontal part;

the bolt mechanism of the grounding end comprises an automatic buckle; the automatic buckle comprises a translation spring sliding rod 32 assembled in the translation sliding groove in a sliding mode, and a reset spring is sleeved on the translation spring sliding rod; one end of the translational spring slide rod, which is far away from the unthreaded hole, is connected and installed with a vertical spring slide rod 35, the vertical spring slide rod is installed in the hollow slide groove 10 of the hook in a sliding way, and the bottom of the vertical spring slide rod is positioned below the hook; a fixed rod through hole 36 for assembling on the fixed rod is formed in the hook, and the top of the hook extends to a position above the upper horizontal part; the top of the hook is matched with a bayonet II of the wire end;

the bolt mechanism comprises a hollow screw 14, a pressing plate 38 is arranged at the bottom of the hollow screw, a sliding rod 16 is slidably mounted in the hollow screw, and one side of the sliding rod, which is close to the translation chute, is connected with a sliding block 15 through a spring; the hollow screw rod and the slide block are provided with openings corresponding to each other, and the top of the hollow screw rod is meshed with a nut 17 in the countersunk hole; a square blind hole is formed in the nut, and correspondingly, a hollow cube 18 for being inserted into the square blind hole is arranged on the special key; when the slide bar stretches into the top end inside the hollow screw, the slide block is attached to the slide bar, and the end of the translational spring slide bar stretches into the notch.

Preferably, as shown in the figure: the special key rotates to drive the nut to rotate, the pressing plate presses downwards, the sliding rod rises along the interior of the hollow screw, the distance between the sliding block and the sliding rod is reduced, the end of the translational spring sliding rod extends into the notch, and the vertical spring sliding rod moves downwards to drive the hook to swing and be separated from the bayonet II; the lead ends are separated from the ground. Although the action process is described, the essence of the embodiment is to define the relative position when assembling.

Preferably, as shown in the figure: the top and the bottom of the sliding block are respectively an upper edge slope and a lower edge slope; correspondingly, the bottom of the slide rod is provided with a downward slope 43, the slide rod is of a cylindrical structure, a fan-shaped structure is arranged above the downward slope, the fan-shaped structure part of the slide rod is provided with a slide rod spring connecting hole 40, the center of the slide block is provided with a slide block spring connecting hole 41, and the slide block spring connecting hole and the slide rod spring connecting hole are connected through a spring; an upper slope is arranged at the top of the interior of the hollow screw rod, the hollow screw rod is of a cylinder structure, and the opening is arranged below the upper slope of the hollow screw rod; the lower edge slope and the upper edge slope have the same angle with the lower slope of the upper slope, and the length of the lower edge slope is half of that of the lower slope. The slope is arranged to enable relative motion to be smoother, and the limiting process is also smoother.

Preferably, as shown in the figure: the sliding rod is sleeved with a return spring, the diameter of the return spring on the sliding rod is R, and the diameter of the sliding rod is R; a through hole corresponding to the hollow screw is formed in the pressing plate, and the aperture of the through hole is larger than R and smaller than R; r is less than R; the inner diameter of the hollow screw is phi, and R is more than R and less than phi. The limiting of the size of the pressure plate can ensure that the reset spring reliably works at the reset function, the slide rod smoothly and continuously rises when the pressure plate is pressed down, and the final pressing of the pressure plate is realized. It should be noted that, the utility model discloses a plurality of springs have been involved in the scheme, and most all are the function that resets, and the technical staff in the field can be completely according to the common general knowledge of spring, and the utility model discloses a reset and require the specific spring of kludge to specific position and set up limit structure, and these common general knowledge are no longer being repeated in this description.

Preferably, as shown in the figure: the top of the vertical spring slide rod is provided with a square sliding piece, the radial size of the square sliding piece is larger than that of the vertical spring slide rod, and the bottom end of the vertical spring slide rod is exposed out of the lower end opening of the hook and then is connected with the slide rod connecting pin hole and the translation spring slide rod connecting pin hole through pins. This embodiment specifically discloses the utility model discloses an ingenious design of automatic buckle can realize ultimate spacing and spacing contact through linkage and swing.

Preferably, as shown in the figure: a spring rod cover plate is fixed on the assembly groove through a structure connected with the screw hole 21 through a bolt, and the spring rod is positioned between the spring rod cover plate and the assembly groove; the locking platform is divided into two symmetrical parts along the length direction of the locking platform, the two parts are connected through bolts, and the two symmetrical parts comprise the clamp nut assembling holes and the bayonets II; the upper horizontal part of the grounding terminal body is divided into two symmetrical parts along the length direction of the upper horizontal part, the two parts are connected through bolts, and the two symmetrical parts comprise the step hole, the translation sliding groove and the swing sliding groove. This embodiment is focused on and is disclosed the design of apron structure, considers the utility model discloses an assembly tray, shutting platform part inner structure are more, maintain for the dismouting of reliable realization scheme and later stage, and this part has all set up the detachable structure, is favorable to equipment and daily dismantlement to be maintained.

Preferably, as shown in fig. 4 and 6: the side surface of the upper surface of the stepped hole of the grounding terminal body is provided with a bulge 7 for aligning with the locking platform; the upper surface cover of bayonet II is equipped with the protective cap. The bulge is used for positioning, and the protective cap is used for protection.

Preferably, as shown in the figure: the natural state of the spring rod on the wire end is as follows: one end of the spring rod with the bevel chamfer extends out of the bayonet I on the wire end clamp for a certain distance, but does not extend out of the through hole where the supporting rod is located; the smooth chamfer angle of the convex rod is a 45-degree chamfer angle, and the corresponding inclined chamfer angle is a 45-degree chamfer angle matched and corresponding to the smooth chamfer angle; when the convex rod extends into the highest position in the bayonet II, the distance that the lowest edge of the smooth chamfer angle of the convex rod extends out of the bayonet I is 5 mm. For the definition of the natural state, which is the state of the components when the spring is relaxed in the common knowledge of the spring, this description is a definition of the structure, and the description complies with the requirements of the clear narrative protocol in the field.

Preferably, as shown in the figure: after the sliding block and the sliding rod are assembled, when a spring connecting the sliding block and the sliding rod is in a natural state, the outermost edge of the sliding block reaches the middle position of the upper slope; after the grounding terminal bolt mechanism is screwed with the grounding terminal, the upper exposed part of the bolt mechanism is flush with the uppermost edge of the grounding terminal.

To sum up, as shown in the figure, the utility model discloses a portable high-pressure earth connection with prevent maloperation blocking device compares traditional portable high-pressure earth connection and has mainly increased the improved design on the wire end and the improved design on the earthing terminal two parts. In particular, the method comprises the following steps of,

the improved design of the wire end mainly includes a spring rod 23 (fig. 1), a groove 26 (shown in fig. 3) of a support rod 27, a special key 3 (wrench) (shown in fig. 5 or ③ in fig. 2, the numbers inside the circles are marked as reference numbers, and will not be described below), and two bayonets designed for being used with a ground end, which are respectively a bayonet I (2) and a bayonet II (4) (shown in fig. 2 as ② and ④).

The improved design of the grounding end mainly comprises a convex rod 6 (shown as ⑥ in fig. 6), an automatic buckle (fig. 8), a bolt mechanism (fig. 9 and 10) and a nut (fig. 11), and the specific implementation of the components is described according to the mutual matching relationship of the components.

Firstly, by utilizing the position relationship between the wire end clamp 25 and the support rod 27 of the conventional portable high-voltage grounding wire, a spring rod 23 (figure 1) with a 45-degree smooth bevel chamfer 24 is arranged on the original grounding wire clamp 25 and forms a locking effect by matching with a groove 26 (figure 3) designed on the support rod 27, and the method specifically comprises the steps of sleeving a spring with a slightly smaller elastic coefficient on the non-chamfered side of the spring rod 23 (figure 1), then buckling the spring rod in an assembly groove of a spring rod cover plate (figure 1), wherein the wider parts of the spring and the spring rod 23 are arranged in a deeper assembly groove, and finally installing the spring rod in an assembly groove 5 (figure 2 ⑤) on the wire end clamp 25 and fixedly connecting the spring rod through a screw hole by using a bolt.

Secondly, after the spring bar 23 and the groove 26 of the support bar 27 form the "lock" effect, a "key" is needed to be able to freely open and close the "lock", which needs to be matched with the protrusion 6 (shown in fig. 6 ⑥) on the ground end to achieve the effect, in the embodiment, a protrusion 6 with a smooth chamfer of 45 degrees (shown in ⑥ in fig. 6) is fixed on the upper end of the ground end, the size of the protrusion is just capable of being inserted into the notch I (2) in fig. 2, and the lowest edge of the smooth chamfer of the protrusion 6 extends out of the notch I (2) by about 5mm, when the protrusion 6 is inserted into the notch I (2) on the lead end clamp 25 (fig. 2), the spring bar 23 (fig. 1) extends out of the notch I (2) in fig. 2, slides into the assembly groove under the action of the two chamfers, so that the spring bar extends out of the assembly groove 1 in fig. 2, is clamped into the groove 26 on the support bar 27 (fig. 3), at this time, the end 25 cannot be normally opened, and plays a role of the spring bar 23 and then springs back out of the assembly groove (2) along the notch I (2) shown in fig. 5).

Finally, according to the technical requirement of the portable high-voltage grounding wire that the grounding end is connected first and then the wire end is connected later, in order to avoid misoperation, the wire end clamp 25 must be in a locked state before the grounding end is installed, that is, after the grounding end is installed and the bolt mechanism is tightened, the convex rod 6 on the grounding end (figure 6) can be withdrawn from the bayonet I (2) of the wire end (figure 2) to achieve natural separation. This requires an automatic snap-on, bolt mechanism and nut 17 design of the ground terminal. The specific design is as follows:

(1) the ground terminal auto-snap design, as shown in fig. 8-1-8-3, part 8-1 is a translational spring slide 32 design with a spring nested thereon, part 8-2 is a spring loaded vertical spring slide 35 design, part 8-3 is a hook 37 with a rod through hole that fits over ground terminal stationary bar 31 (shown in fig. 7) and can rotate freely about stationary bar 31, the interior of hook 37 is a hollow runner 10 (shown in fig. 8 as ⑩), and vertical spring slide 35 in fig. 8-2 can be assembled by placing vertical spring slide 35 in fig. 8-2 into the internal hollow runner 10 of hook 37 with the narrow end of vertical spring slide 35 exposed from the lower end opening of hook 37, then pinning the translational spring slide in fig. 8-1 to the vertical spring slide pin hole of the vertical spring slide of fig. 8-2 (corresponding pin holes are the connection pin hole 33 and translational spring connection pin hole 34 shown in fig. 8-1 and 8-2, and the translational spring slide connection pin connection to the vertical spring slide bar connection pin hole 357 is a slight distance from the vertical spring slide 4, and the clamp is a clamp that is mounted in the vertical spring slide 4-7 and the vertical spring slide connection pin to the vertical spring slide 7, and the clamp that is a slight distance from the vertical spring slide connection pin connection to the vertical spring slide 4 and the vertical spring slide connection pin connection of the vertical spring slide 4 and horizontal connection pin connection point of the vertical spring slide 4 and horizontal connection point of the vertical spring slide 7, and horizontal connection point of the clamp that is a slight distance shown in fig. 7, and the vertical spring connection point 4, and the vertical spring connection point of the clamp that is a distance shown in fig. 7, and the vertical spring connection point of the vertical spring connection point 4, and

shown) and the design on the ground terminal bolt mechanism (shown in fig. 9 and 10).

(2) The design on the bolt mechanism of the grounding end is as follows: as shown in fig. 9 and 10 (fig. 10 includes fig. 10-1 and 10-2; for the same reason, fig. 8 includes fig. 8-1, 8-2 and 8-3, and fig. 1 includes fig. 1-2 and 1-2). For ease of illustration, the bolt mechanism in fig. 9 is illustrated in cross-section and their diameters are labeled in fig. 9, 10, where R < Φ. Fig. 9 is a design in which the bolt mechanism at the ground end is "hollowed out" in the shape shown in the figure, and mainly functions as a sliding groove so that the sliding rod 16 shown in fig. 10 can freely slide inside the hollow screw of the bolt mechanism. The specific implementation method comprises the following steps: the slide bar 16 and the slider 15 in fig. 10 are tightly "pulled" together through the connecting holes (slide bar spring connecting hole 40, slider spring connecting hole 41) between them with a thin spring having a slightly higher elastic coefficient and not liable to lose its elasticity, at which time the lower edge slope of the slider 15 is closely fitted with the upper slope 13 shown in fig. 10-1, and the slider 15 is dimensioned so that its outermost edge reaches only the middle position of the upper slope 13 shown in fig. 10-1, which is a natural state after they are assembled. Then, a spring with a large elastic coefficient (the inner diameter of the spring is slightly larger than R and the outer diameter is slightly smaller than R, the main purpose is to allow the spring to enter a cylindrical light hole 29 at the lower end shown in fig. 7) is sleeved on the upper end of the assembled slide rod 16 (fig. 10-1), and then the spring is inserted into the light hole from the upper fan-shaped rod along the inner sliding groove of the hollow screw rod shown in fig. 9. When the spring installed on the figure 10 also enters the internal sliding groove of the hollow screw and finally abuts against the narrow edge formed by R and R in the figure 9, the pressing plate shown at the lower end of the figure 9 is fixed through the bolt screw hole. Wherein the wider portion formed by R and R on the slide bar shown in FIG. 10-1 just snaps with the portion formed by R and R on the platen. And after the assembly, the lower cylindrical part of the slide bar 16 extends out of the press plate for a certain length, and the upper edge slope of the slide block 15 is tightly attached to the lower slope 43 shown in fig. 9. This completes the design of the bolting mechanism portion of the ground terminal. (additionally, the length of the ground terminal bolt means is designed so that when the ground terminal bolt means is tightened against ground terminal 30, the upper exposed portion of the bolt means is substantially flush with the uppermost edge of the ground terminal, which is to ensure that it cannot be removed by hand after installation)

The screw mechanism can be fastened only by using the screw cap 17, and the design of the screw cap 17 at the grounding end is shown in fig. 11. the design is different from the traditional hexagonal screw cap and consists of different cylinders with larger outer diameter at the lower end and smaller outer diameter at the upper end, and the inside of the cylinder at the upper end is a square blind hole with the length and width larger than the diameter of the hollow screw rod of the screw mechanism.

It is apparent from the above working principle of the ground terminal that all the design of the ground terminal must be matched with the partial design of the wire end to complete the whole locking, the wire end portion matched with the ground terminal is designed as shown in fig. 4 and 5, which are assembly parts at a position a of the wire end shown in fig. 2, in the wire end portion design shown in fig. 4, the bayonet platform 11 is a platform at the top end inside the bayonet II designed on the wire end clip 25 and used for hooking after the hook is inserted, and mainly functions as the use of the hook at the upper end of the automatic buckle (fig. 8), the lower end of the bayonet II (4) is a slope for the hook 37 to slide in, the upper end of the bayonet II (4) is a protective cap to prevent the hook 37 from being mistakenly unhooked, the clip nut assembly hole 12 is used for fixing the special key 3 (wrench) shown in fig. 5, the special key 3 (wrench) has a round hole with the same diameter as the outer diameter of the hollow screw rod of the bolt mechanism, the wire, the lower end exposed portion is a square blind hole which can be inserted into the square blind hole 17 to drive the rotation, and at this time, when the male pin ⑥ on the ground terminal is inserted into the bayonet 25 and the bayonet II, the bayonet terminal is locked with the clip 4, and the bayonet II, the clip 4 can not be locked by the nut 4, and the clip 4 on the bayonet terminal of the bayonet terminal, which can be.

To sum up, the utility model discloses a this kind of portable high-pressure earth connection complete work flow with prevent maloperation blocking device as follows:

firstly, the state before the grounding wire is installed:

the protruding rod 6 on the grounding terminal (figure 6) is inserted into the bayonet I (2) on the wire end (figure 2) to make the spring rod 23 (figure 1) on the wire end followThe chamfer slides into the groove 26 of the support bar 27 to lock the support bar 27 (fig. 3) so that the lead end clamp 25 cannot be opened until the ground end is not properly installed; meanwhile, the hook 37 of the grounding end automatic buckle (figure 8) extending out of the grounding end part slides into the bayonet II (4) of the wire end (figure 2) to be clamped, so that the grounding end and the wire end cannot be separated; at the same time, the special key 3 exposes the hollow cube 18 of the wire end (fig. 5)

Shown) is inserted into the square blind hole shown in fig. 11 (ground nut 17).

II, installation process of the grounding wire:

the state before the novel grounding wire is installed enables an operator to install the grounding end firstly. When the grounding end is installed, the special key 3 (wrench) on the wire end is rotated (fig. 5), so as to drive the nut 17 (fig. 11) on the grounding end to rotate, and the bolt mechanism (fig. 9) on the grounding end is continuously fastened on the angle steel of the tower. When the lowest end of the slide bar 16 (figure 10) in the bolt mechanism contacts the angle steel, the slide bar 16 continuously slides upwards along the sliding groove in the bolt mechanism along with the tightening of the nut 17. Meanwhile, the slide rod 16 moves upwards to extrude the slide block 15 in fig. 10 outwards continuously, the exposed part of the translational spring slide rod 32 (fig. 8) of the automatic buckle on the right side of the unthreaded hole 29 is pushed to move rightwards continuously to slide into the translational chute, and the hook 37 of the automatic buckle is also pulled out of the wire end bayonet II (4) (the bayonet platform 11 in fig. 4) continuously according to the lever principle. When the slide bar 16 (fig. 10) on the bolt mechanism at ground end is fully inside the hollow screw, the outermost edge of the slide block 15 on the slide bar 16 also slides flush with the outermost edge (minus the threaded portion) of the bolt mechanism. At this time, the hook of the automatic buckle is from the wire end bayonet (in fig. 4)

Finger), the grounding end and the wire end are unlocked, and natural separation is achieved. Due to the large elastic coefficient of the spring inside the bolt mechanism at the grounding end, when the grounding end is unlocked from the wire end, the sliding rod 16 (figure 10) on the bolt mechanism at the grounding end completely enters the hollow screw (not)Completely enters the inner part of the bolt mechanism and the wire end can not be separated), the grounding end also meets the requirement of stable connection. When the wire end is separated from the ground end, the protruding rod 6 on the ground end (fig. 6) is also separated from the bayonet I (2) on the wire end (fig. 2), so that the spring rod 23 (fig. 1) on the wire end rebounds to the original position along the assembly slot 5 under the action of the spring on the spring rod, and the wire end can be normally hung. Therefore, the illegal operations of firstly connecting the wire end and then connecting the grounding end, and leading the grounding end to fall off caused by the fact that the grounding end is not connected and fastened when the grounding wire is hung are avoided.

Novel process of demolising of earth connection: when the ground wire is removed, the exposed portion of the bolt mechanism is substantially flush with the upper end of the ground terminal and cannot be opened by hand because a special key (wrench) (fig. 5) associated with the ground terminal is on the wire end and the ground terminal is installed. The grounding terminal can be removed only by removing the wire end to obtain the special key and then clamping the key on the special key into the nut 17 of the grounding terminal (here, the protrusion 7 shown in fig. 6 is designed on the grounding terminal to avoid the clamping error). Thus, the convex rod 6 on the grounding end (figure 6) is inserted into the bayonet I (2) on the wire end (figure 2) again, so that the spring rod 23 (figure 1) on the wire end slides into the groove 26 along the chamfer, and the supporting rod 27 (figure 3) is locked; meanwhile, the hook 37 of the ground terminal automatic buckle (fig. 8) extending out of the ground terminal part is also inserted into the bayonet II (4) of the wire end (fig. 2), in the process of loosening the ground terminal bolt by rotating the special key 3 (wrench) (fig. 5) on the wire end, the slider 15 in fig. 10 is pulled into the bolt mechanism again under the action of the spring thereon, and the hook of the ground terminal automatic buckle (fig. 8) extending out of the ground terminal part is clamped on the bayonet pointed by 11 again under the action of the spring force, so that the ground terminal and the wire end cannot be separated. Thus, the grounding end is restored to the state before installation again after being removed, and the whole locking is completed.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The portable high-voltage grounding wire with the misoperation prevention locking device is characterized in that one end of the grounding wire is a grounding end, and the other end of the grounding wire is a wire end; the wire end comprises a wire end clamp, and a support rod penetrating through a through hole in the clamp is arranged on the wire end; the grounding end comprises a grounding end body and a bolt mechanism; the bolt mechanism is used for clamping the angle steel of the tower in the grounding end body; the method is characterized in that:

2. The portable high-voltage grounding wire with the misoperation prevention locking device as claimed in claim 1, wherein: the special key rotates to drive the nut to rotate, the pressing plate presses downwards, the sliding rod rises along the interior of the hollow screw, the distance between the sliding block and the sliding rod is reduced, the end of the translational spring sliding rod extends into the notch, and the vertical spring sliding rod moves downwards to drive the hook to swing and be separated from the bayonet II; the lead ends are separated from the ground.

3. The portable high-voltage grounding wire with the misoperation prevention locking device as claimed in claim 1, wherein: the top and the bottom of the sliding block are respectively an upper edge slope and a lower edge slope; correspondingly, the bottom of the sliding rod is provided with a downward slope, the sliding rod is of a cylindrical structure, a fan-shaped structure is arranged above the downward slope, a sliding rod spring connecting hole is formed in the fan-shaped structure part of the sliding rod, a sliding block spring connecting hole is formed in the center of the sliding block, and the sliding block spring connecting hole is connected with the sliding rod spring connecting hole through a spring; an upper slope is arranged at the top of the interior of the hollow screw rod, the hollow screw rod is of a cylinder structure, and the opening is arranged below the upper slope of the hollow screw rod; the lower edge slope and the upper edge slope have the same angle with the lower slope of the upper slope, and the length of the lower edge slope is half of that of the lower slope.

4. A portable high voltage ground cord with a locking device against erroneous operation according to claim 3, wherein: the sliding rod is sleeved with a return spring, the diameter of the return spring on the sliding rod is R, and the diameter of the sliding rod is R; a through hole corresponding to the hollow screw is formed in the pressing plate, and the aperture of the through hole is larger than R and smaller than R; r is less than R; the inner diameter of the hollow screw is phi, and R is more than R and less than phi.

5. The portable high-voltage grounding wire with the misoperation prevention locking device as claimed in claim 1, wherein: the top of the vertical spring slide rod is provided with a square sliding piece, the radial size of the square sliding piece is larger than that of the vertical spring slide rod, and the bottom end of the vertical spring slide rod is exposed out of the lower end opening of the hook and then is connected with the slide rod connecting pin hole and the translation spring slide rod connecting pin hole through pins.

6. The portable high-voltage grounding wire with the misoperation prevention locking device as claimed in claim 1, wherein: a spring rod cover plate is fixed on the assembly groove through a structure connected with a bolt and a screw hole, and the spring rod is positioned between the spring rod cover plate and the assembly groove; the locking platform is divided into two symmetrical parts along the length direction of the locking platform, the two parts are connected through bolts, and the two symmetrical parts comprise the clamp nut assembling holes and the bayonets II; the upper horizontal part of the grounding terminal body is divided into two symmetrical parts along the length direction of the upper horizontal part, the two parts are connected through bolts, and the two symmetrical parts comprise the step hole, the translation sliding groove and the swing sliding groove.

7. The portable high-voltage grounding wire with the misoperation prevention locking device as claimed in claim 1, wherein: the side surface of the upper surface of the stepped hole of the grounding terminal body is provided with a bulge for aligning with the locking platform; the upper surface cover of bayonet II is equipped with the protective cap.

8. The portable high-voltage grounding wire with the misoperation prevention locking device as claimed in claim 1, wherein: the natural state of the spring rod on the wire end is as follows: one end of the spring rod with the bevel chamfer extends out of the bayonet I on the wire end clamp for a certain distance, but does not extend out of the through hole where the supporting rod is located; the smooth chamfer angle of the convex rod is a 45-degree chamfer angle, and the corresponding inclined chamfer angle is a 45-degree chamfer angle matched and corresponding to the smooth chamfer angle; when the convex rod extends into the highest position in the bayonet II, the distance that the lowest edge of the smooth chamfer angle of the convex rod extends out of the bayonet I is 5 mm.

9. The portable high-voltage grounding wire with the misoperation prevention locking device as claimed in claim 1, wherein: after the sliding block and the sliding rod are assembled, when a spring connecting the sliding block and the sliding rod is in a natural state, the outermost edge of the sliding block reaches the middle position of the upper slope; after the grounding terminal bolt mechanism is screwed with the grounding terminal, the upper exposed part of the bolt mechanism is flush with the uppermost edge of the grounding terminal.