CN110212320B - Grounding wire device - Google Patents
Grounding wire device Download PDFInfo
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- CN110212320B CN110212320B CN201910526356.1A CN201910526356A CN110212320B CN 110212320 B CN110212320 B CN 110212320B CN 201910526356 A CN201910526356 A CN 201910526356A CN 110212320 B CN110212320 B CN 110212320B
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
Abstract
The invention provides a grounding wire device which comprises a plurality of sections of grounding rods, a plurality of limiting parts, clamping parts and conductive flexible wires, wherein two adjacent sections of grounding rods are hinged through a hinge shaft, and the tail end of a tail section of grounding rod is connected with a rod tip for being inserted into the ground; the limiting parts are detachably connected with the hinged shafts in a one-to-one correspondence mode and are used for limiting the hinged shafts to rotate after the relative positions of two adjacent sections of grounding rods are fixed; the clamping piece comprises a first threaded rod and a clamping plate, wherein the first threaded rod penetrates through the first section of the grounding rod and is in threaded connection with the first section of the grounding rod; the conductive flexible wire is detachably connected with the grounding rod or the clamping piece. The grounding wire device provided by the invention effectively solves the problems that the existing grounding rod has single function, and the grounding rod is inconvenient to use when the operation environment is not suitable for the grounding rod to be inserted into the ground.
Description
Technical Field
The invention belongs to the field of ground wire protection, and particularly relates to a ground wire device.
Background
At present, when an urban electric power system is overhauled, a power transmission line needs to be grounded after a brake is pulled out and power is cut off.
When grounding, a steel or copper grounding rod is driven into the ground, a wire hanging rod with a wire hanging hook at the upper end is hung on a power transmission line, and a flexible copper wire is connected between a grounding pin and the wire hanging hook.
Steel structure is mainly adopted to transmission tower's structural style, because current transmission tower is mostly cement or masonry ground down, inserts the underground for guaranteeing the earthing pin and forms effective ground connection, need break open ground earlier before salvageing the construction, still need resume ground after the operation is accomplished, waste time and energy, work efficiency is low, seriously influences the construction progress.
Disclosure of Invention
The invention aims to provide a grounding wire device, and aims to solve the problems that the existing grounding rod device is single in function, when a grounding pin is inconvenient to insert into the ground, the ground needs to be broken first and then the grounding pin needs to be inserted, time and labor are wasted, the working efficiency is low, and the construction progress is seriously influenced.
In order to achieve the purpose, the invention adopts the technical scheme that: provided is a ground wire device including:
the two adjacent sections of the grounding rods are hinged through a hinge shaft, wherein the tail end of the tail section of the grounding rod is connected with a rod tip for being inserted into the ground;
the limiting parts are detachably connected with the hinged shafts in a one-to-one correspondence mode and are used for limiting the hinged shafts to rotate after the relative positions of two adjacent sections of the grounding rods are fixed;
the clamping piece comprises a first threaded rod and a clamping plate, wherein the first threaded rod penetrates through the first section of the grounding rod and is in threaded connection with the first section of the grounding rod;
and the conductive flexible wire is detachably connected with the grounding rod or the clamping piece.
Furthermore, one end of the conductive flexible wire is provided with a conductive block detachably connected with the grounding rod or the clamping piece, and the end face of the conductive block is fixed with a spring sleeved outside the conductive flexible wire.
Furthermore, except for the grounding rod at the tail section, clamping grooves which are sunken along the head-tail direction are arranged at the tail ends or the head ends of the rest grounding rods; except the head section of the grounding rod, the head ends or the tail ends of the other grounding rods are provided with bosses inserted into the clamping grooves; the boss is provided with a first through groove which is through along the direction perpendicular to the head-tail direction, the side walls of the two sides of the joint groove are respectively provided with a second through groove which is coaxial with the first through groove, the two ends of the articulated shaft are respectively positioned in the two second through grooves, and the middle part of the articulated shaft is clamped in the first through groove.
Furthermore, a strip-shaped clamping groove communicated with the second through groove is formed in the side face of the grounding rod, cross grooves are formed in two end faces of the hinge shaft, and each groove of each cross groove can be overlapped with the clamping groove; the limiting part is clamped in the clamping groove and one of the grooves of the cross groove coincident with the clamping groove.
Furthermore, a pull rope is arranged on the grounding rod, and one end of the pull rope is connected with the limiting piece.
Furthermore, a plurality of edge grooves which are sunken along the radial direction are arranged on the side wall of the first through groove at intervals in the circumferential direction; and the outer wall of the articulated shaft is provided with clamping strips inserted in the edge grooves.
Furtherly, the tail festival the tail end of earthing rod is equipped with and is used for making the groove of accomodating of pole point embedding, the tail festival still be equipped with two at least edges on the earthing rod radially insert of pole point accomodate the inslot and with the connecting piece of the first terminal surface joint of pole point, the connecting piece be used for with the pole point joint is spacing.
Furthermore, the head end of the rod tip is provided with an annular table which protrudes outwards along the radial direction; the end surface of the side wall of the accommodating groove is hinged with a hinged plate which is close to the end surface of the tip end of the rod point and is abutted.
Further, the connecting piece includes insert receive the second threaded rod in the inslot, and with second threaded rod one end is connected and with the baffle of articulated slab side butt.
Furthermore, an alarm is connected to the grounding rod.
Furthermore, at least one functional module is arranged on the alarm, and the functional module is an alarm module and/or a warning module which are electrically connected with the conductive flexible wire.
The grounding wire device provided by the invention has the beneficial effects that: compared with the prior art, the grounding pin which can be inserted into the ground is formed by the multiple sections of grounding rods and the rod tips in the grounding wire device, the multiple sections of grounding rods can rotate relatively, the grounding rods positioned at the head and the tail ends are bent in the same direction relative to the grounding rod positioned at the middle position to form a structure of 'transverse plate-vertical plate-transverse plate', the clamping and connecting plate is positioned at the inner side of a groove formed by the structure of 'transverse plate-vertical plate-transverse plate', the grounding wire device in the state can be clamped on steel of a power transmission tower, the first threaded rod is rotated to adjust the position relation between the first threaded rod and the grounding rod, the distance between the clamping and connecting plate is reduced, the tail grounding rod, the steel and the clamping and connecting plate are in a butting state, the grounding wire device and the steel of the power transmission tower form a stable connection relation at the moment, and the foldable arrangement of the grounding rods enlarges the, the problem that the existing grounding rod is single in function and inconvenient to use when the operation environment is not suitable for inserting the grounding rod into the ground is effectively solved;
the clamping piece arranged on the grounding wire device is also provided with a clamping piece convenient for an operator to hold, so that the angle formed by the grounding rod and the ground can be conveniently adjusted when the operator chives the grounding rod into the ground;
the locating part is connected with the articulated shaft in a detachable mode, so that the adjustment of the connection angle between the multiple sections of grounding rods is convenient and quick, the stable connection relation between the multiple sections of grounding rods is ensured, and the overall stability of the grounding wire device is improved.
Drawings
Fig. 1 is a schematic front view of a ground line device according to an embodiment of the present invention;
fig. 2 is a sectional view taken along line a-a of the ground plane apparatus according to the embodiment of the present invention;
fig. 3 is a schematic perspective view of a ground line device according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of the structure of the grounding device shown in FIG. 3 at E;
fig. 5 is an enlarged view of a part of a structure at a position B of the grounding wire device shown in fig. 2;
fig. 6 is a partial enlarged view of the structure at C of the grounding wire device shown in fig. 2;
fig. 7 is an enlarged view of a part of the structure at position D of the grounding wire device shown in fig. 2;
fig. 8 is a schematic diagram of a use state of the grounding wire device according to the embodiment of the present invention (including a cross-sectional view of a steel material).
In the figure, 1, a grounding rod; 11. a first through groove; 12. a rod tip; 121. an annular table; 131. a second through groove; 132. a card slot; 14. hinging a shaft; 141. a cross groove; 142. clamping the strip; 15. pulling a rope; 16. a receiving groove; 17. a connecting member; 171. a second threaded rod; 172. a baffle plate; 18. a hinge plate; 181. a vertical plate; 182. a blocking plate; 183. a sloping plate; 2. a limiting member; 3. a clamping piece; 31. a first threaded rod; 32. a clamping and connecting plate; 321. a snap ring; 33. a bearing; 4. a conductive cord; 41. a conductive block; 42. a spring; 5. an alarm.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 8, a grounding wire device according to the present invention will now be described. The grounding wire device comprises a plurality of sections of grounding rods 1, a plurality of limiting parts 2, clamping parts 3 and conductive flexible wires 4, wherein two adjacent sections of grounding rods 1 are hinged through a hinged shaft 14, and the tail end of each tail section of grounding rod 1 is connected with a rod tip 12 for being inserted into the ground; the limiting pieces 2 are detachably connected with the hinge shafts 14 in a one-to-one correspondence manner and are used for limiting the rotation of the hinge shafts 14 after the relative positions of two adjacent sections of the grounding rods 1 are fixed; the clamping piece 3 comprises a first threaded rod 31 penetrating through the first section of the grounding rod 1 and in threaded connection with the first section of the grounding rod 1 and a clamping plate 32 rotatably connected with the penetrating end of the first threaded rod 31; the conductive flexible wire 4 is detachably connected with the grounding rod 1 or the clamping piece 3. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
When the multi-section grounding rod 1 is used as a vertical rod, the rod tip 12 is abutted against the ground, an operator can hold the first threaded rod 31 with one hand to ensure the vertical stress of the grounding wire device, and can wave a heavy object to apply an acting force to the grounding rod 1 with the other hand to insert the rod tip 12 into the ground, so that the grounding wire device is inserted into the ground for use; after the operation is completed, the operator can pull out the grounding wire device from the ground by applying an acting force deviating from the ground to the clamping piece 3, and then the grounding wire device can be recovered.
When the vertical rod is inconvenient to operate and is inserted into the ground, the limiting pieces 2 are detached from the grounding rods 1, so that the grounding rods 1 at the head and the tail ends can be bent in a certain angle in the same direction relative to the grounding rods 1 at the middle position to form a structure of 'transverse plate-vertical plate-transverse plate', the grounding rods 1 are fixed pairwise by clamping the limiting pieces 2 with the hinged shafts 14, then the grounding devices are clamped with steel forming a power transmission tower, the first threaded rod 31 is rotated, the position relation between the first threaded rod 31 and the grounding rods 1 is adjusted, the distance between the clamping plate 32 and the tail section grounding rods 1 is reduced, the grounding devices and the steel forming the power transmission tower form a stable connection relation, and the foldable arrangement of the grounding rods 1 enlarges the application range of the grounding devices; after the operation is completed, the operator adjusts the first threaded rod 31 again, the distance between the clamping plate 32 and the tail section grounding rod 1 is increased, the grounding wire device is separated from steel of the power transmission tower, then the limiting part 2 is detached from the grounding rod 1, the angles between the grounding rods 1 are adjusted, and the grounding wire device is folded and recovered.
Compared with the prior art, the grounding wire device provided by the invention has the advantages that a plurality of sections of grounding rods 1 and rod tips 12 jointly form a grounding pin structure which can be inserted into the ground, the sections of grounding rods 1 can rotate relatively, the grounding rods 1 at two ends are bent in the same direction relative to the grounding rod 1 at the middle position to form a transverse plate-vertical plate-transverse plate structure, a clamping plate is positioned in a groove formed by the transverse plate-vertical plate-transverse plate structure, the grounding wire device in the state can be clamped on steel of a power transmission iron tower, then the position relation between a first threaded rod 31 and the grounding rod 1 is adjusted by rotating the first threaded rod 31, the distance between the clamping plate 32 and a tail section grounding rod 1 is reduced, the tail section grounding rod 1, the steel and the clamping plate 32 are in a butt joint state, and the grounding wire device and the steel of the power transmission iron tower form a stable connection relation, the foldable arrangement of the grounding rod 1 enlarges the application range of the grounding device, effectively solves the problem that the existing grounding rod 1 has single function, and when the operation environment is not suitable for the grounding rod 1 to be inserted into the ground, the grounding rod 1 is inconvenient to use.
This earth connection device still is equipped with the joint piece 3 that the operating personnel of being convenient for held, when having made things convenient for the operating personnel to chisel earth lug 1 into the ground, the direction of operating personnel control earth lug 1.
The limiting part 2 is detachably connected with the hinged shaft 14, so that the adjustment of the connection angle between the multiple sections of the grounding rods 1 is convenient and quick, the stable connection relation between the multiple sections of the grounding rods 1 is ensured, and the overall stability of the grounding wire device is improved.
It should be noted that, except for the grounding rod 1 at the tail section, the tail ends or the head ends of the rest grounding rods 1 are provided with clamping grooves which are sunken along the head-tail direction; except the head section grounding rods 1, the head ends or the tail ends of the other grounding rods 1 are provided with bosses inserted into the clamping grooves; the boss is provided with a first through groove 11 which is through along the direction vertical to the head-tail direction, the side walls of the two sides of the joint groove are respectively provided with a second through groove 131 which is coaxial with the first through groove 11, the two ends of the articulated shaft 14 are respectively positioned in the two second through grooves 131, and the middle part of the articulated shaft 14 is jointed in the first through groove 11.
In this embodiment, the end surface of the clamping plate 32, which is away from the first threaded rod 31, is attached with a layer of non-slip mat, the non-slip mat can be made of rubber, the end surface of the non-slip mat is provided with non-slip lines, and the non-slip mat arranged on the side surface of the clamping plate 32 can effectively increase the friction force between the grounding wire device and steel materials of the power transmission tower, so that the connection relationship between the grounding wire device and the steel materials forming the power transmission tower is more stable; the side of the grounding rod 1 is not adhered with a non-slip mat. When the grounding wire device is in a structure of transverse plate-vertical plate-transverse plate and is connected with steel of a power transmission iron tower, the grounding rod 1 still has an end face directly attached to the steel of the power transmission iron tower, and the conductive capability of the grounding wire device cannot be influenced.
The clamping ring 321 is arranged on the end face of the clamping plate 32 close to the ground rod 1, a bearing 33 is sleeved in the clamping ring 321, and the bearing 33 is connected with one end of the first threaded rod 31. First threaded rod 31 is connected through the bearing 33 that is equipped with joint plate 32, and the bearing 33 that is equipped with has guaranteed that when first threaded rod 31 rotated for earth bar 1, joint plate 32 can not rotate along with the rotation of first threaded rod 31, but can produce the displacement that deviates from earth bar 1 terminal surface direction along with the rotation of first threaded rod 31.
The other end of first threaded rod 31 is equipped with the connecting block that the operation personnel of being convenient for gripped, and the connecting block terminal surface is equipped with the anti-skidding line that increases frictional force.
In this embodiment, the side surface of the ground rod 1 is provided with a strip-shaped slot 132 communicated with the second through groove 131, two end surfaces of the hinge shaft 14 are provided with cross grooves 141, and each groove of the cross grooves 141 can coincide with the slot 132; the limiting member 2 is clamped in the slot 132 and one of the grooves of the cross-shaped slot 141 coinciding with the slot 132.
The terminal surface of draw-in groove 132 and the terminal surface of locating part 2 all are equipped with the magnetic stripe, and when articulated shaft 14 need not with locating part 2 joint, can fix locating part 2 in draw-in groove 132 through the magnetic stripe that is equipped with, prevented losing of locating part 2.
In this embodiment, when the multiple sections of grounding rods 1 are used as a vertical rod, the limiting member 2 is connected to the slot 132 and a groove in the cross-shaped slot 141, and a straight rod is formed between the multiple sections of grounding rods 1.
When the multiple sections of the grounding rods 1 are in a 'transverse plate-vertical plate-transverse plate' structure and connected with steel of a power transmission iron tower, the limiting parts 2 can be communicated with the clamping grooves 132 and the other groove in the cross groove 141, the multiple sections of the grounding rods 1 bent to a certain angle are clamped pairwise, and the stability of the 'transverse plate-vertical plate-transverse plate' structure is ensured.
By changing the clamping relationship of the two grooves of the limiting part 2, the clamping groove 132 and the cross groove 141, the grounding wire device can always keep a firm connection state no matter what using state.
Referring to fig. 2 to 4, as an embodiment of the grounding wire device provided by the present invention, a plurality of edge grooves recessed along the radial direction are disposed at intervals along the circumferential direction of the sidewall of the first through groove 11; the outer wall of the hinge shaft 14 is provided with a plurality of clamping strips 142 inserted into the edge grooves, and the matching of the clamping strips 142 and the edge grooves enables the hinge shaft 14 and the first through groove 11 to keep relatively static.
It should be noted that the retaining strip 142 is only disposed on the outer side surface of the middle position of the hinge shaft 14, and the retaining strip 142 is not disposed at the two ends of the hinge shaft 14 passing through the second through groove 131, so that the hinge shaft 14 is stationary relative to the first through groove 11, but can rotate relative to the second through groove 131. In order to ensure that the hinge shaft 14 can simultaneously pass through the first through groove 11 and the second through groove 131, the diameter of the second through groove 131 is at least equal to the sum of the diameter of the first through groove 11 and the clamping strip 142.
Referring to fig. 2, 3 and 5, as an embodiment of the ground wire device provided by the present invention, a receiving groove 16 for inserting the rod tip 12 is provided at the tail end of the tail section ground rod 1, at least two connecting members 17 are further provided on the tail section ground rod 1, the connecting members 17 are respectively inserted into the receiving groove 16 along the radial direction of the rod tip 12 and are connected with the head end surface of the rod tip 12 in a clamping manner, and the connecting members 17 are used for limiting the clamping of the rod tip 12.
When the pole point 12 needs to be retracted into the accommodating groove 16, the connecting piece 17 is separated from the grounding rod 1 through a working tool, the pole point 12 slides into the accommodating groove 16, then the connecting piece 17 is connected with the grounding rod 1, one end of the connecting piece 17 is abutted against the side surface of the pole point 12 to limit the pole point 12, and the pole point 12 is prevented from sliding in the accommodating groove 16.
In order to improve the fastness of the connection relation between the pole tip 12 and the grounding rod 1, the middle position of the upper end face of the pole tip 12 is provided with a connecting plate arranged along the length direction of the connecting plate, the connecting plate is positioned in the accommodating groove 16, the connecting plate is provided with a screw hole used for being connected with the connecting piece 17, the connecting piece 17 is clamped with the upper end face of the pole tip 12, the connecting piece 17 is continuously screwed, one end of the connecting piece 17 inserted into the accommodating groove 16 can be coincided with and connected with the screw hole on the connecting plate, and then the fastness of the connection state of the connecting piece 17 and the.
Referring to fig. 2, fig. 3 and fig. 5, as an embodiment of the grounding wire device provided in the present invention, the head end of the rod tip 12 is provided with a ring-shaped platform 121 protruding outward in the radial direction; the end surface of the side wall of the receiving groove 16 is hinged with a hinge plate 18 which is abutted by the end surface close to the tip end of the rod tip 12.
In this embodiment, the hinged plate 18 includes through pivot structure and accomodates groove 16 lower extreme articulated riser 181, the terminal surface of riser 181 is equipped with rather than looks vertically barrier plate 182, the lower extreme of riser 181 is equipped with the swash plate 183 that has certain inclination, when the riser 181 with accomodate groove 16 lateral wall parallel, barrier plate 182 is spacing with annular platform 121 joint, the terminal surface laminating of swash plate 183 and pole point 12 simultaneously, barrier plate 182 keeps off the fastness that can improve pole point 12 and earthing rod 1 connected state to the limit of annular platform 121, earth gets into the joint position of barrier plate 182 and annular platform 121 when this earth connection device inserts ground in the setting of swash plate 183 is effectual.
In order to improve the stability of the connection relationship between the blocking plate 182 and the annular stage 121, a layer of magnet is attached to both the upper end surface of the blocking plate 182 and the lower end surface of the annular stage 121.
The hinged plate 18 is hinged with the side surface of the lower end of the accommodating groove 16, when the connecting piece 17 is separated from the grounding rod 1 and the vertical plate 181 is vertical to the side wall of the accommodating groove 16, the rod point 12 can be separated from the grounding rod 1, and the hinged plate 18 is arranged to facilitate the replacement of the rod point 12 by an operator.
The connecting member 17 includes a second threaded rod 171 inserted into the receiving groove 16, and a stopper 172 connected to one end of the second threaded rod 171 and abutting against a side surface of the hinge plate 18. When the second threaded rod 171 is engaged with the outer side surface of the grounding rod 1, the baffle 172 is engaged with the hinge plate 18, and the baffle 172 has a limiting effect on the hinge plate 18.
Referring to fig. 1 to 3, as a specific embodiment of the ground wire device provided by the present invention, a conductive block 41 detachably connected to the ground rod 1 or the clip 3 is disposed at one end of the conductive cord 4, and a spring 42 sleeved outside the conductive cord 4 is fixed to an end surface of the conductive block 41. The conductive block 41 may be detachably connected to the ground rod 1 by a screw structure or a slide rail/chute structure. When the spring 42 is not arranged, the connecting position of the conductive flexible wire 4 and the conductive block 41 is always in a bending state in the working process, and the conductive flexible wire 4 is easy to wear to cause strand breakage of the internal flexible copper wire; after the spring 42 is arranged, the conductive flexible wire 4 is sleeved in the spring 42, the spring 42 protects the connecting position of the conductive flexible wire 4 and the conductive block 41, the abrasion of the conductive flexible wire 4 at the connecting position can be reduced, and the service life of the grounding wire device is effectively prolonged.
The conductive flexible wire 4 is made of a bare copper flexible wire and a protective sleeve sleeved on the outer side surface of the bare copper flexible wire, and the anti-slip sleeve can be made of rubber or plastic.
Referring to fig. 1 and fig. 3, as an embodiment of the grounding wire device provided in the present invention, the grounding rod 1 is further connected to an alarm 5. The alarm 5 emits an acoustic/optical signal which can draw the attention of nearby persons and remind the nearby persons to get away from the working area.
At least one functional module is arranged on the alarm 5, the functional module can be an alarm module and/or a warning module which are electrically connected with the conductive flexible wire 4, the alarm module comprises a conductive body which is electrically connected with the conductive flexible wire 4, an indicator lamp which forms a loop with the conductive body and a loudspeaker which is connected with the indicator lamp in parallel, when the conductive flexible wire 4 has current, the current enters a circuit which is connected with the conductive body through the conductive body, the circuit has current passing, the indicator lamp emits light, the loudspeaker which is connected with the indicator lamp in parallel is started and gives an alarm, the alarm module can timely react to the current flowing through the conductive flexible wire 4, and the alarm module reminds an operating personnel that the operating area has current passing and needs to be evacuated in time.
The warning module comprises current alarm system, including setting up in 5 inside batteries of alarm, PLC control system, be connected with PLC control system electricity and be used for detecting external change's infrared sensor and the megaphone of being connected with battery and PLC control system electricity simultaneously.
Alarm module can in time gather and transmit PLC control system the infrared signal that operation site personnel sent with the mistake through infrared sensor, and PLC control system can control the megaphone broadcast warning information of being connected with the battery electricity after the analysis, prevents that non-relevant personnel from getting into the operation region, avoids appearing the accident.
Referring to fig. 2 and fig. 3, as an embodiment of the grounding wire device provided by the present invention, a pulling rope 15 is disposed on the grounding rod 1, and one end of the pulling rope 15 is connected to the limiting member 2. The setting of stay cord 15 makes locating part 2 be connected with earth bar 1, and the effectual in-process locating part 2 that has solved and has used this earth connection device loses the problem easily.
In this embodiment, the limiting member 2 is provided with a first pull ring, and one end of the pull rope 15 can pass through and be connected with the first pull ring; the side of earthing rod 1 is equipped with the second pull ring, and the other end of stay cord 15 can pass the second pull ring and be connected with it, and stay cord 15 has realized through the pull ring structure and has been connected with dismantling of locating part 2 and earthing rod 1, has made things convenient for the change of operating personnel to the stay cord 15 that produces wearing and tearing after long-time the use.
In order to prolong the service life of the pull rope 15, the pull rope 15 is made of nylon rope with good wear resistance.
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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An earth connection device, comprising:
the grounding rod comprises a plurality of sections of grounding rods (1), wherein two adjacent sections of the grounding rods (1) are hinged through a hinge shaft (14), and the tail end of the grounding rod (1) at the tail section is connected with a rod tip (12) for being inserted into the ground;
the limiting pieces (2) are detachably connected with the hinged shafts (14) in a one-to-one correspondence mode and are used for limiting the hinged shafts (14) to rotate after the relative positions of two adjacent sections of the grounding rods (1) are fixed;
the clamping piece (3) comprises a first threaded rod (31) penetrating through the first section of the grounding rod (1) and in threaded connection with the first section of the grounding rod (1), and a clamping plate (32) rotatably connected with the penetrating end of the first threaded rod (31);
the conductive flexible wire (4) is detachably connected with the grounding rod (1) or the clamping piece (3);
the tail ends or the head ends of the rest grounding rods (1) are provided with clamping grooves which are sunken along the head-tail direction except the head end of the head section of the grounding rod (1) and the tail end of the tail section of the grounding rod (1); except for the head end of the first section of the grounding rod (1) and the tail end of the tail section of the grounding rod (1), bosses inserted into the clamping grooves are arranged at the head ends or the tail ends of the other grounding rods (1); the boss is provided with a first through groove (11) which is through along the direction perpendicular to the head-tail direction, second through grooves (131) which are coaxial with the first through groove (11) are respectively arranged on the side walls of the two sides of the joint groove, the two ends of the articulated shaft (14) are respectively positioned in the two second through grooves (131), and the middle part of the articulated shaft (14) is jointed in the first through groove (11).
2. The grounding wire device as claimed in claim 1, wherein a conductive block (41) detachably connected to the grounding rod (1) or the clip (3) is provided at one end of the conductive cord (4), and a spring (42) sleeved outside the conductive cord (4) is fixed to an end face of the conductive block (41).
3. The grounding wire device as claimed in claim 1, wherein the side of the grounding rod (1) is provided with an elongated slot (132) communicating with the second through groove (131), both end surfaces of the hinge shaft (14) are provided with cross grooves (141), and each groove of the cross grooves (141) can be overlapped with the slot (132); the limiting piece (2) is clamped in the clamping groove (132) and one of the grooves of the cross groove (141) which is overlapped with the clamping groove (132).
4. A grounding device according to claim 3, characterized in that a pulling rope (15) is provided on the grounding rod (1), and one end of the pulling rope (15) is connected to the limiting member (2).
5. The grounding wire device as claimed in claim 1, wherein the side wall of the first through groove (11) is provided with a plurality of radially recessed edge grooves at intervals in the circumferential direction; and the outer wall of the articulated shaft (14) is provided with clamping strips (142) inserted in the edge grooves.
6. The grounding wire device as claimed in claim 1, wherein the tail end of the grounding rod (1) at the tail section is provided with a receiving groove (16) for embedding the rod tip (12), the grounding rod (1) at the tail section is further provided with at least two connecting pieces (17) which are respectively inserted into the receiving groove (16) along the radial direction of the rod tip (12) and clamped with the head end surface of the rod tip (12), and the connecting pieces (17) are used for limiting the clamping of the rod tip (12).
7. The ground wire arrangement according to claim 6, characterized in that the head end of the rod tip (12) is provided with an annular table (121) projecting radially outwards; the end face of the side wall of the accommodating groove (16) is hinged with a hinged plate (18) which is abutted against the end face of the annular table (121) close to the tip of the rod tip (12).
8. The ground plane device of claim 7, wherein said connecting member (17) includes a second threaded rod (171) inserted into said receiving groove (16), and a shutter (172) connected to an end of said second threaded rod (171) and abutting against a side surface of said hinge plate (18).
9. The grounding wire device as claimed in claim 1, characterized in that an alarm (5) is also connected to the grounding rod (1).
10. The grounding wire device as claimed in claim 9, wherein the alarm (5) is provided with at least one functional module, and the functional module is an alarm module and/or a warning module electrically connected with the conductive cord (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526356.1A CN110212320B (en) | 2019-06-18 | 2019-06-18 | Grounding wire device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526356.1A CN110212320B (en) | 2019-06-18 | 2019-06-18 | Grounding wire device |
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| CN110212320A CN110212320A (en) | 2019-09-06 |
| CN110212320B true CN110212320B (en) | 2020-06-19 |
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| CN201910526356.1A Active CN110212320B (en) | 2019-06-18 | 2019-06-18 | Grounding wire device |
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| CN110212320A (en) | 2019-09-06 |
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