CN110137716B - Anti-drop fast-assembling couple formula short circuit earth connection fastener - Google Patents
Anti-drop fast-assembling couple formula short circuit earth connection fastener Download PDFInfo
- Publication number
- CN110137716B CN110137716B CN201910526510.5A CN201910526510A CN110137716B CN 110137716 B CN110137716 B CN 110137716B CN 201910526510 A CN201910526510 A CN 201910526510A CN 110137716 B CN110137716 B CN 110137716B
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- threaded rod
- base
- sliding block
- double
- hook
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- 238000003825 pressing Methods 0.000 claims abstract description 33
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 241000272525 Anas platyrhynchos Species 0.000 claims description 3
- 230000000670 limiting effect Effects 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 10
- 241001423398 Ruscus hypoglossum Species 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000282693 Cercopithecidae Species 0.000 description 1
- 240000000588 Hericium erinaceus Species 0.000 description 1
- 235000007328 Hericium erinaceus Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
- H01R11/15—Hook in the form of a screw clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/22—End pieces terminating in a spring clip
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Electric Cable Installation (AREA)
- Clamps And Clips (AREA)
Abstract
The invention belongs to the technical field of electric safety tools, and particularly relates to an anti-falling quick-assembly hook type short-circuit grounding wire clamp; the invention comprises a base, wherein the middle part of the bottom surface of the base is connected with a double-head threaded rod, the double-head threaded rod comprises a first threaded rod, a polished rod and a second threaded rod, the first threaded rod and the second threaded rod are in threaded connection with the base, and the polished rod is in sliding connection with the base; the end face of the bottom of the double-head threaded rod is fixedly connected with a connecting rod, the top end of the double-head threaded rod is rotationally connected with a sliding block, and the top surface of the sliding block is fixedly connected with a pressing block; a pressure spring is arranged between the sliding block and the base and sleeved outside the double-head threaded rod; the top of the base is fixedly connected with a tongue-shaped hook, the middle part of the right end of the sliding block is provided with a guide groove, and the sliding block is in sliding connection with the vertical part of the tongue-shaped hook through the guide groove; the invention has reasonable integral structure, simple and convenient operation of hanging and detaching the grounding wire, can effectively clamp the wire, reduces the labor intensity of operators and improves the working efficiency.
Description
Technical Field
The invention belongs to the technical field of electric safety tools, and particularly relates to an anti-drop quick-assembly hook type short-circuit grounding wire clamp.
Background
In the related fields of power transmission and transformer substations, a grounding wire is commonly used for grounding operation, so as to eliminate induced electricity on a overhauled line or equipment and prevent personal electric shock accidents caused by sudden incoming calls; the structure of the grounding wire comprises an insulating operating rod, a wire clamp, a special grounding wire, a grounding terminal, a confluence clamp, a grounding clamp and the like, wherein the wire clamp and the grounding clamp are formed by adopting high-quality aluminum alloy die casting, the operating rod is made of epoxy resin with good insulating property and high strength, and the grounding annealed copper wire is formed by stranding a plurality of strands of high-quality annealed copper wires and is covered with a soft and high-temperature-resistant transparent insulating sheath; according to different wire clamps, the common ground wires comprise a flat-mouth spiral ground wire, a double-tongue ground wire and a hericium erinaceus ground wire, wherein the flat-mouth spiral wire clamp is suitable for performing grounding operation on power equipment, cross arms and the like, and is not suitable for clamping parts with circular cross sections, such as wires and the like; the double-tongue hook type wire clamp is convenient to clamp wires, only needs to be pulled downwards, but has design defects, and is easy to fall off when being subjected to external force or short-circuit electric force, and a short-circuit electric force test performed on the double-tongue hook type wire clamp by a quality supervision and inspection test center of an electric power industrial electric power safety tool shows that 60% of the double-tongue hook type wire clamp can fall off under the action of electric force, so that a southern power grid is forbidden to use the double-tongue hook type grounding wire clamp in the form of safety supervision No. 2015 3; the wire clamp of monkey head earth connection is couple screwing type, but its lead screw of screwing the screw rod is longer, and the number of turns that need rotate when centre gripping and loosening the wire is too many, and its semicircular couple makes the operation inconvenient when hanging the earth connection, wastes time and energy.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the anti-falling fast-assembly hook type short-circuit ground wire clamp which has the advantages of reasonable structure, simplicity and convenience in operation, capability of rapidly hanging and taking a ground wire, rapidly clamping a wire and effectively clamping the wire.
The purpose of the invention is realized in the following way: the utility model provides an anticreep fast-assembling couple formula short circuit earth wire fastener, it includes the base, the bottom surface middle part of base is provided with the screw hole that runs through its bottom surface, the base is connected with the double-end threaded rod through the screw hole that sets up in its bottom surface middle part, the double-end threaded rod is including first threaded rod, first threaded rod top fixedly connected with polished rod, polished rod top fixedly connected with second threaded rod, first threaded rod, second threaded rod all can with base threaded connection, polished rod with base sliding connection; the bottom end face of the first threaded rod is fixedly connected with a connecting rod, the top end of the double-head threaded rod is rotationally connected with a sliding block, and the top surface of the sliding block is fixedly connected with a pressing block; a pressure spring is arranged between the sliding block and the base, and the pressure spring is sleeved outside the double-head threaded rod; the top fixedly connected with tongue-shaped hook of base, the right-hand member middle part of slider is provided with guide groove, the slider passes through guide groove with the three sliding connection of vertical part of tongue-shaped hook.
The second threaded rod top fixedly connected with connector, connector top fixedly connected with rotates the head, the middle part of slider be provided with connector with rotate head normal running fit's connector recess and rotate the head recess.
The sliding block comprises a first sliding block and a second sliding block, wherein a sliding block connecting threaded hole and a first bolt penetrating hole are formed in the middle of the front face of the first sliding block, the first bolt penetrating hole penetrates through the sliding block, and the sliding block is formed by connecting the first sliding block with the second sliding block through a first connecting bolt.
The inside briquetting connection screw hole that runs through its top surface and bottom surface that is provided with of slider, the briquetting bottom surface be provided with the screw hole that the briquetting connection screw hole corresponds, the slider with the briquetting passes through the second connecting bolt the briquetting connection screw hole is connected.
The base is L-shaped integrally, the end part of the L-shaped bottom edge of the base is arc-shaped, and the base and the tongue-shaped hook are of an integrated structure.
The tongue-shaped hook comprises a hook main body and reinforcing ribs, wherein the cross section of the hook main body along the height direction of the hook is rectangular, and the cross section of the reinforcing ribs is trapezoidal.
The top surface of briquetting is the arcwall face of undercut, two sides are the arcwall face of outwards protrusion about the briquetting.
The arc-shaped hook body part of the tongue-shaped hook is in a duck tongue shape protruding outwards, and a bayonet which is convenient for a lead to enter is formed by the lower cambered surface of the hook body hook part of the hook and the left cambered surface of the pressing block.
The base is provided with a threaded hole and a bolt for connecting the ground annealed copper wire, and the front side and the rear side of the base are respectively provided with a groove.
The connecting rod is internally provided with threads which can be connected with the ground wire operating rod.
The invention has the beneficial effects that: the base is provided with the threaded hole penetrating through the bottom of the base, the double-head threaded rod can be in threaded connection and sliding connection with the base through the threaded hole on the base, when a wire is clamped, the double-head threaded rod is screwed to enable the second threaded rod to be separated from the threaded hole of the base, the double-head threaded rod vertically moves upwards under the elastic action of the pressure spring and the limiting action of the threaded hole of the base and the guide groove, and when the first threaded rod contacts the base, the double-head threaded rod is screwed to enable the first threaded rod to move upwards, so that the sliding block and the pressing block are driven to move upwards to clamp the wire; when the grounding wire is to be taken down, the double-head threaded rod is screwed to enable the first threaded rod to be separated from the base and move downwards, after the first threaded rod is separated from the base, the double-head threaded rod is pulled downwards to overcome the resistance of the pressure spring to enable the second threaded rod to be in contact with the base, and the double-head threaded rod is screwed to enable the second threaded rod to be screwed into the threaded hole of the base; in the up-and-down movement process of the double-head threaded rod, the sliding block can move up and down along with the double-head threaded rod, and can be in sliding connection with the tongue-shaped hook through the guide groove; the pressing block is matched with the tongue-shaped hook, so that the contact area between the pressing block and the wire is increased, and the wire with the circular section can be effectively clamped; when the operating rod is used for hanging the ground wire, a part of hooks protruding out of the tongue-shaped hooks can be used for conveniently hooking the wire, a bayonet which is convenient for the wire to enter is formed by the lower cambered surface of the hook part of the tongue-shaped hooks and the pressing block, the wire can enter the upper cambered surface of the pressing block by pulling downwards, the wire cannot be easily separated, and then the double-head threaded rod is screwed by the operating rod to clamp the wire effectively; the invention has reasonable integral structure, simple and convenient operation of hanging and detaching the grounding wire, can effectively clamp the wire, reduces the labor intensity of operators and improves the working efficiency.
Drawings
Fig. 1 is a schematic front view of an anti-drop quick-assembly hook type short-circuit ground wire clamp.
Fig. 2 is a schematic left-view structure diagram of an anti-drop quick-mounting hook type short-circuit ground wire clamp.
Fig. 3 is a schematic top view of an anti-drop fast-assembled hook type short-circuit ground wire clamp according to the present invention.
Fig. 4 is a schematic structural view of an anti-drop fast-assembling hook type short circuit ground wire clamp in A-A direction.
Fig. 5 is a schematic structural view of an anti-drop quick-assembled hook type short-circuit ground wire clamp in a non-working state.
Fig. 6 is a schematic diagram of a structure of the anti-drop fast-assembled hook type short-circuit ground wire clamp when hooking a wire.
Fig. 7 is a schematic structural view of a double-threaded post of an anti-drop quick-assembly hook type short-circuit ground wire clamp.
Fig. 8 is a schematic diagram of a front view of a slider of an anti-drop quick-assembly hook type short-circuit ground wire clamp according to the present invention.
Fig. 9 is a schematic rear view of a slider of an anti-drop quick-assembly hook type short-circuit ground wire clamp according to the present invention.
Fig. 10 is a schematic top view of a slider of an anti-drop quick-assembly hook type short-circuit ground wire clamp according to the present invention.
Fig. 11 is a schematic front view of a second slider of the anti-drop quick-assembly hook type short-circuit ground wire clamp of the present invention.
Fig. 12 is a schematic structural view of connection of a double-headed threaded rod, a slider and a pressing block of the anti-drop fast-assembling hook type short-circuit ground wire clamp.
In the figure: 1. the connecting rod 2, the double-head threaded rod 2-1, the first threaded rod 2-2, the polished rod 2-3, the second threaded rod 2-4, the connector 2-5, the rotating head 3, the base 4, the pressure spring 5, the sliding block 5-1, the first sliding block 5-2, the second sliding block 5-3, the first bolt through hole 5-4, the sliding block connecting threaded hole 5-5, the connector groove 5-6, the rotating head groove 5-7, the pressing block connecting threaded hole 5-8, the guiding groove 6, the pressing block 7, the tongue-shaped hook 8, the reinforcing rib 9, the hook main body 10, the groove 11, the conducting wire 12, the first connecting bolt 13 and the second connecting bolt.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-12, an anti-drop fast-assembling hook type short circuit ground wire clamp comprises a base 3, wherein a threaded hole penetrating through the bottom surface of the base 3 is formed in the middle of the bottom surface of the base 3, a double-head threaded rod 2 is connected to the base 3 through the threaded hole formed in the middle of the bottom surface of the base 3, the double-head threaded rod 2 comprises a first threaded rod 2-1, the top end of the first threaded rod 2-1 is fixedly connected with a polished rod 2-2, the top end of the polished rod 2-2 is fixedly connected with a second threaded rod 2-3, the first threaded rod 2-1 and the second threaded rod 2-2 can be in threaded connection with the base 3, and the polished rod 2-2 is in sliding connection with the base 3; the bottom end face of the first threaded rod 2-1 is fixedly connected with a connecting rod 1, the top end of the double-head threaded rod 2 is rotatably connected with a sliding block 5, and the top surface of the sliding block 5 is fixedly connected with a pressing block 6; a pressure spring 4 is arranged between the sliding block 5 and the base 3, and the pressure spring 4 is sleeved outside the double-head threaded rod 2; the top of the base 3 is fixedly connected with a tongue-shaped hook 7, a guide groove 5-8 is formed in the middle of the right end of the sliding block 5, and the sliding block 5 is in three-face sliding connection with the vertical part of the tongue-shaped hook 7 through the guide groove 5-8.
The base 3 is provided with the threaded hole penetrating through the bottom of the base, the double-head threaded rod 2 can be in threaded connection and sliding connection with the base 3 through the threaded hole on the base 3, when the lead 11 is clamped, the double-head threaded rod 2 is screwed to enable the second threaded rod 2-3 to be separated from the threaded hole of the base 3, the double-head threaded rod 2 vertically moves upwards under the elastic force of the pressure spring 4 and the limit action of the threaded hole of the base 3 and the guide groove 5-8, and when the first threaded rod 2-1 contacts the base 3, the double-head threaded rod 2 is screwed to enable the double-head threaded rod 2 to move upwards, so that the slide block 5 and the press block 6 are driven to move upwards to clamp the lead 11; when the grounding wire is to be removed, the double-head threaded rod 2 is screwed to enable the first threaded rod 2-1 to be separated from the base 3 and move downwards, after the first threaded rod 2-1 is separated from the base 3, the double-head threaded rod 2 is pulled downwards to enable the second threaded rod 2-3 to be in contact with the base 3 against the resistance of the pressure spring 4, and the double-head threaded rod 2 is screwed to enable the second threaded rod 2-3 to be screwed into the threaded hole of the base 3; in the up-and-down movement process of the double-head threaded rod 2, the sliding block 5 can move up and down along with the double-head threaded rod, and can be in sliding connection with the tongue-shaped hook 7 through the guide groove 5-8; the pressing block 6 is matched with the tongue-shaped hook 7, so that the contact area between the pressing block and the wire 11 is increased, and the wire 11 with a circular section can be effectively clamped; when the operation rod is used for hanging the ground wire, a part of hooks protruding from the tongue-shaped hooks 7 can be used for conveniently hooking the wires 11, a bayonet which is convenient for the wires 11 to enter is formed by the lower cambered surface of the hook part of the tongue-shaped hooks 7 and the pressing block 6, the wires 11 can enter the upper cambered surface of the pressing block 6 by pulling downwards, the wires cannot be easily separated, and then the wires 11 are effectively clamped by screwing the double-end threaded rod 2 through the operation rod; the invention has reasonable integral structure, simple and convenient operation of hanging and detaching the grounding wire, can effectively clamp the lead 11, reduces the labor intensity of operators and improves the working efficiency.
Example 2
As shown in fig. 1-12, an anti-drop fast-assembling hook type short circuit ground wire clamp comprises a base 3, wherein a threaded hole penetrating through the bottom surface of the base 3 is formed in the middle of the bottom surface of the base 3, a double-head threaded rod 2 is connected to the base 3 through the threaded hole formed in the middle of the bottom surface of the base 3, the double-head threaded rod 2 comprises a first threaded rod 2-1, the top end of the first threaded rod 2-1 is fixedly connected with a polished rod 2-2, the top end of the polished rod 2-2 is fixedly connected with a second threaded rod 2-3, the first threaded rod 2-1 and the second threaded rod 2-2 can be in threaded connection with the base 3, and the polished rod 2-2 is in sliding connection with the base 3; the bottom end face of the first threaded rod 2-1 is fixedly connected with a connecting rod 1, the top end of the double-head threaded rod 2 is rotatably connected with a sliding block 5, and the top surface of the sliding block 5 is fixedly connected with a pressing block 6; a pressure spring 4 is arranged between the sliding block 5 and the base 3, and the pressure spring 4 is sleeved outside the double-head threaded rod 2; the top of the base 3 is fixedly connected with a tongue-shaped hook 7, a guide groove 5-8 is formed in the middle of the right end of the sliding block 5, and the sliding block 5 is in three-face sliding connection with the vertical part of the tongue-shaped hook 7 through the guide groove 5-8.
For better effect, the top fixedly connected with connector 2-4 of second threaded rod 2-3, connector 2-4 top fixedly connected with rotates first 2-5, slider 5 the middle part be provided with connector 2-4 with rotate first 2-5 normal running fit's connector recess 5-5 and rotate first recess 5-6, through connector 2-4 with the normal running fit of connector recess 5-5 rotate first 2-5 with rotate first recess 5-6 normal running fit can realize double-end threaded rod 2 with slider 5's rotation is connected, when rotating double-end threaded rod 2, slider 5 only carries out the removal of vertical direction.
For better effect, the sliding block 5 comprises a first sliding block 5-1 and a second sliding block 5-2, wherein a sliding block connecting threaded hole 5-4 and a first bolt through hole 5-3 are arranged in the middle of the front surface of the first sliding block 5-1, the first bolt through hole 5-3 penetrates through the sliding block 5, and the sliding block 5 is formed by connecting the first sliding block 5-1 and the second sliding block 5-2 through a first connecting bolt 12, so that the assembly of the sliding block 5 and the connection of the sliding block with the double-head threaded rod 2 can be facilitated.
For better effect, the inside briquetting connection screw hole 5-7 that runs through its top surface and bottom surface that is provided with of slider 5, briquetting 6 bottom surface be provided with the screw hole that the briquetting connection screw hole 5-7 corresponds, slider 5 with briquetting 6 passes through second connecting bolt 13 briquetting connection screw hole 5-7 connects, can realize slider 5 with the equipment of briquetting 6.
For better effect, the whole L type that is of base 3, the tip of the L shape base of base 3 is the arc, base 3 with tongue couple 7 is integrated into one piece structure, can provide effective support for the fastener, reduces the whole quality of fastener under the prerequisite of guaranteeing intensity, and provides good outward appearance, reduces the degree of difficulty of its manufacturing.
For better effect, the tongue-shaped hook 7 comprises a hook main body 9 and reinforcing ribs 8, the cross section of the hook main body 9 along the height direction of the hook is rectangular, the cross section of the reinforcing ribs 8 is trapezoidal, the contact area with a wire 11 is enlarged, the overall quality of the wire clamp is reduced on the premise of ensuring the strength, and good appearance is provided.
For better effect, the top surface of the pressing block 6 is an arc surface which is concave downwards, and the left side surface and the right side surface of the pressing block 6 are arc surfaces which are convex outwards, so that the contact area with the lead 11 is enlarged, and the lead 11 can be effectively clamped by matching with the tongue-shaped hook 7.
For better effect, the arc-shaped hook body part of the tongue-shaped hook 7 is in a duck tongue shape protruding outwards, the lower cambered surface of the hook part of the hook main body 9 and the left cambered surface of the pressing block 6 form a bayonet which is convenient for the lead 11 to enter, and the hook of the lead 11 can be conveniently hooked and clamped and the lead 11 can be effectively clamped in the process of hanging and dismantling the ground wire.
For better effect, be provided with screw hole and the bolt that is used for connecting ground connection annealed copper line on the base 3, be provided with recess 10 respectively on the front and back two sides of base 3, can conveniently be connected with ground connection annealed copper line, reduce the overall quality of fastener under the prerequisite of guaranteeing intensity, and provide good outward appearance.
For better effect, the connecting rod 1 is internally provided with threads which can be connected with a ground wire operating rod, can be connected and fixed with the operating rod, and can operate the wire clamp through the operating rod.
The base 3 is provided with the threaded hole penetrating through the bottom of the base, the double-head threaded rod 2 can be in threaded connection and sliding connection with the base 3 through the threaded hole on the base 3, when the lead 11 is clamped, the double-head threaded rod 2 is screwed to enable the second threaded rod 2-3 to be separated from the threaded hole of the base 3, the double-head threaded rod 2 vertically moves upwards under the elastic force of the pressure spring 4 and the limit effect of the threaded hole of the base 3 and the guide groove 5-8, when the first threaded rod 2-1 contacts the base 3, the double-head threaded rod 2 is screwed to enable the first threaded rod 2-1 to move upwards, and therefore the sliding block 5 and the pressing block 6 are driven to move upwards to clamp the lead 11; when the grounding wire is to be removed, the double-head threaded rod 2 is screwed to enable the first threaded rod 2-1 to be separated from the base 3 and move downwards, after the first threaded rod 2-1 is separated from the base 3, the double-head threaded rod 2 is pulled downwards to enable the second threaded rod 2-3 to be in contact with the base 3 against the resistance of the pressure spring 4, and the double-head threaded rod 2 is screwed to enable the second threaded rod 2-3 to be screwed into the threaded hole of the base 3; the double-head threaded rod 2 is connected with a sliding block 5 through a connector 2-4 and a rotating head 2-5 which are arranged at the top of the double-head threaded rod, the sliding block 5 can move up and down along with the double-head threaded rod 2 in the up-and-down motion process, and the sliding block 5 is in sliding connection with the vertical part of the hook main body 9 through a guide groove 5-8; the length of the rectangular section of the hook main body 9 is far greater than the width of the rectangular section, the pressing block 6 is matched with the hook main body 9, so that the contact surface with the wire 11 is effectively increased, and the wire 11 with the circular section can be clamped more effectively; when the operation rod is used for hanging the ground wire, a part of hooks protruding out of the tongue-shaped hooks 7 can be used for conveniently hooking the wire 11, a bayonet which is convenient for the wire 11 to enter is formed by the lower cambered surface of the hook part of the tongue-shaped hooks 7 and the pressing block 6, the wire 11 can enter the upper cambered surface of the pressing block 6 against the elasticity of the pressure spring 4 by pulling downwards, and the wire cannot be easily separated, and then the wire 11 is effectively clamped by screwing the double-head threaded rod 2 through the operation rod; the sliding block 5 can be assembled by the first sliding block 5-1 and the second sliding block 5-2, and the sliding block 5 and the pressing block 6 can be connected by the second connecting bolt 13, so that the invention is convenient for manufacturing, assembling, overhauling and disassembling as a whole; the invention has reasonable integral structure, simple and convenient operation of hanging and detaching the grounding wire, can effectively clamp the lead 11, reduces the labor intensity of operators and improves the working efficiency.
Claims (8)
1. The utility model provides an anticreep fast-assembling couple formula short circuit earth connection fastener, it includes base (3), its characterized in that: the novel polishing device is characterized in that a threaded hole penetrating through the bottom surface of the base (3) is formed in the middle of the bottom surface of the base (3), the base (3) is connected with a double-head threaded rod (2) through the threaded hole formed in the middle of the bottom surface of the base, the double-head threaded rod (2) comprises a first threaded rod (2-1), a polished rod (2-2) is fixedly connected to the top end of the first threaded rod (2-1), a second threaded rod (2-3) is fixedly connected to the top end of the polished rod (2-2), and the first threaded rod (2-1) and the second threaded rod (2-3) can be in threaded connection with the base (3) through the threaded holes; the bottom end face of the first threaded rod (2-1) is fixedly connected with a connecting rod (1), the top end of the double-head threaded rod (2) is rotatably connected with a sliding block (5), and the top surface of the sliding block (5) is fixedly connected with a pressing block (6); a pressure spring (4) is arranged between the sliding block (5) and the base (3), and the pressure spring (4) is sleeved outside the double-head threaded rod (2); the top of the base (3) is fixedly connected with a tongue-shaped hook (7), a guide groove (5-8) is formed in the middle of the right end of the sliding block (5), and the sliding block (5) is in three-face sliding connection with the vertical part of the tongue-shaped hook (7) through the guide groove (5-8);
when the grounding wire clamp is used for clamping a wire, the double-head threaded rod is screwed to enable the second threaded rod to be separated from the threaded hole of the base, the double-head threaded rod vertically moves upwards under the elastic action of the pressure spring and the limiting action of the threaded hole of the base and the guide groove, when the first threaded rod contacts the base, the double-head threaded rod is screwed to enable the first threaded rod to move upwards, and therefore the sliding block and the pressing block are driven to move upwards to clamp the wire; when the grounding wire is to be taken down, the double-head threaded rod is screwed to enable the first threaded rod to be separated from the base and move downwards, after the first threaded rod is separated from the base, the double-head threaded rod is pulled downwards to overcome the resistance of the pressure spring to enable the second threaded rod to be in contact with the base, and the double-head threaded rod is screwed to enable the second threaded rod to be screwed into the threaded hole of the base;
screw holes and bolts for connecting with a ground annealed copper wire are formed in the base (3), and grooves (10) are formed in the front side surface and the rear side surface of the base (3) respectively;
the connecting rod (1) is internally provided with threads which can be connected with a ground wire operating rod.
2. The anti-drop quick-assembly hook type short circuit ground wire clamp as defined in claim 1, wherein: the novel rotary joint is characterized in that a connector (2-4) is fixedly connected to the top end of the second threaded rod (2-3), a rotary head (2-5) is fixedly connected to the top end of the connector (2-4), and a connector groove (5-5) and a rotary head groove (5-6) which are in rotary fit with the connector (2-4) and the rotary head (2-5) are arranged in the middle of the sliding block (5).
3. The anti-drop quick-attach hook-type short-circuit ground wire clamp according to claim 1 or 2, wherein: the sliding block (5) comprises a first sliding block (5-1) and a second sliding block (5-2), a sliding block connecting threaded hole (5-4) and a first bolt perforation (5-3) are formed in the middle of the front face of the first sliding block (5-1), the first bolt perforation (5-3) penetrates through the sliding block (5), and the sliding block (5) is formed by connecting the first sliding block (5-1) with the second sliding block (5-2) through a first connecting bolt (12).
4. The anti-drop quick-attach hook type short circuit ground wire clamp as defined in claim 3, wherein: the sliding block (5) is internally provided with a pressing block connecting threaded hole (5-7) penetrating through the top surface and the bottom surface of the sliding block, the bottom surface of the pressing block (6) is provided with a threaded hole corresponding to the pressing block connecting threaded hole (5-7), and the sliding block (5) and the pressing block (6) are connected through a second connecting bolt (13) and the pressing block connecting threaded hole (5-7).
5. The anti-drop quick-assembly hook type short circuit ground wire clamp as defined in claim 1, wherein: the base (3) is L-shaped as a whole, the end part of the L-shaped bottom edge of the base (3) is arc-shaped, and the base (3) and the tongue-shaped hook (7) are of an integrated structure.
6. The anti-drop quick-assembly hook type short circuit ground wire clamp as defined in claim 1, wherein: the tongue-shaped hook (7) comprises a hook main body (9) and reinforcing ribs (8), the cross section of the hook main body (9) along the height direction of the hook is rectangular, and the cross section of the reinforcing ribs (8) is trapezoidal.
7. The anti-drop quick-attach hook type short circuit ground wire clamp as defined in claim 6, wherein: the top surface of briquetting (6) is the arcwall face of undercut, the left and right sides face of briquetting (6) is the arcwall face of outwards protrusion.
8. The anti-drop quick-attach hook type short circuit ground wire clamp of claim 7, wherein: the arc-shaped hook body part of the tongue-shaped hook (7) is in a duck tongue shape protruding outwards, and the lower cambered surface of the hook part of the hook main body (9) and the left cambered surface of the pressing block (6) form a bayonet which is convenient for a lead (11) to enter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910526510.5A CN110137716B (en) | 2019-06-18 | 2019-06-18 | Anti-drop fast-assembling couple formula short circuit earth connection fastener |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910526510.5A CN110137716B (en) | 2019-06-18 | 2019-06-18 | Anti-drop fast-assembling couple formula short circuit earth connection fastener |
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| CN110137716A CN110137716A (en) | 2019-08-16 |
| CN110137716B true CN110137716B (en) | 2024-03-29 |
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| CN201910526510.5A Active CN110137716B (en) | 2019-06-18 | 2019-06-18 | Anti-drop fast-assembling couple formula short circuit earth connection fastener |
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| CN111355185A (en) * | 2020-03-06 | 2020-06-30 | 广东电网有限责任公司 | Transmission line straight pole overhead earth wire overhauls support |
| CN111817041A (en) * | 2020-07-21 | 2020-10-23 | 广东电网有限责任公司 | High contact surface and high pressure welding ground wire |
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| CN111900559B (en) * | 2020-08-04 | 2021-09-10 | 贵州电网有限责任公司 | Branch wire clamp capable of being quickly separated |
| CN112164902B (en) * | 2020-08-21 | 2024-04-12 | 国家电网有限公司 | Locking type connector for grounding wire |
| CN112086773B (en) * | 2020-09-11 | 2022-02-22 | 贵州电网有限责任公司 | Portable short circuit grounding wire convenient to operate |
| CN112421270A (en) * | 2020-09-20 | 2021-02-26 | 广东韶钢工程技术有限公司 | Pipeline welding grounding clamping device, pipeline welding tool and using method thereof |
| US11283203B1 (en) | 2020-12-08 | 2022-03-22 | Honeywell International Inc. | Grounding clamp |
| CN113851868A (en) * | 2021-10-13 | 2021-12-28 | 国网甘肃省电力公司 | Intelligent multi-contact-surface grounding wire clamp for ultra-high voltage power transmission and transformation equipment |
| CN114171939B (en) * | 2021-12-02 | 2022-09-23 | 贵州电网有限责任公司 | Pre-stretched elastic type rotary grounding wire and use method thereof |
| CN114171940A (en) * | 2021-12-02 | 2022-03-11 | 贵州电网有限责任公司 | Device and method for preventing short circuit of low-voltage line |
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