CN217281512U

CN217281512U - Electric power safety device

Info

Publication number: CN217281512U
Application number: CN202220480607.4U
Authority: CN
Inventors: 包晶晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-08-23
Anticipated expiration: 2032-03-07

Abstract

The utility model discloses an electric power security device, the protective housing comprises a protective housing, the protective housing includes back lid, protecgulum and annular casing, both ends respectively with the front of back lid and the back fixed connection of protecgulum around the annular casing, the inside of protective housing is provided with two wire winding subassemblies that are the symmetry and set up, two wire winding subassembly all includes bull stick, wire winding roller, electrically conductive dish and connecting plate, the front of connecting at the back lid is rotated through the bearing in the rear end of bull stick, the front end of bull stick runs through the protecgulum and extends to the outside one end fixed connection with the connecting plate, wire winding roller fixed connection is on the bull stick. A power security device, use through the cooperation of the back lid that sets up, protecgulum, annular housing and wire winding subassembly, not only convenient retrieves the arrangement to earth connection and conducting wire, avoided earth connection and conducting wire to receive moreover and harm and contact failure.

Description

Electric power safety device

Technical Field

The utility model relates to an electric power system technical field, in particular to electric power safety device.

Background

In the daily maintenance of low voltage circuit (380/220V), in order to guarantee safety, the security line must be connected on the requirement maintenance circuit, makes the wire ground connection, ensures maintainer's safety. The safety line is a safety protection tool for preventing the construction and maintenance operators from being hurt by the induction voltage generated by the adjacent high-voltage power line when the construction and maintenance operators work on the line.

The existing safety line is usually manually folded back and forth and then wound layer by layer when being recovered and arranged, the winding process is time-consuming and labor-consuming, the safety line is easy to knot, the damage to the safety line is large, the grounding line is easy to cause poor contact with a grounding card or the conducting line and the line clamp are loose, meanwhile, when the safety line is unfolded for use, a circle of the safety line needs to be unfolded, the unfolding process is troublesome, and certain time needs to be spent to untie when the knotting condition is met, so that an electric power safety device is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an electric power security device, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric power safety device comprises a protective shell, wherein the protective shell comprises a rear cover, a front cover and an annular shell, the front end and the rear end of the annular shell are fixedly connected with the front surface of the rear cover and the back surface of the front cover respectively, two symmetrical wire winding assemblies are arranged in the protective shell, each wire winding assembly comprises a rotating rod, a wire winding roller, a conductive disc and a connecting plate, the rear end of the rotating rod is connected with the front surface of the rear cover in a rotating mode through a bearing, the front end of the rotating rod penetrates through the front cover and extends to the outside to be fixedly connected with one end of the connecting plate, the wire winding rollers are fixedly connected onto the rotating rods, a gap is reserved between the front surface of each wire winding roller and the front cover, the conductive discs are fixedly connected onto the outer surface of the rear end of the rotating rod, a gap is reserved between the back surface of each conductive disc and the rear cover, a ground wire is wound on the wire winding roller on the left side, and a conductive wire is wound on the wire winding roller on the right side, two be provided with the overlap joint subassembly between the electrically conductive dish, drive the bull stick through the connecting plate and rotate, the bull stick drives corresponding wire winding roller and electrically conductive dish and rotates for the wire winding roller carries out the rolling to corresponding earth connection and conducting wire.

The utility model discloses a further improvement lies in, the cross section of back lid and the cross section of protecgulum all are keyway shape, annular casing and back lid and protecgulum looks adaptation, the wire hole has all been seted up at both ends about annular casing, the material of back lid, protecgulum and the material of annular casing are insulating material, form the protective housing through back lid, protecgulum and annular casing, not only avoid personnel to electrocute, portable and receive and release to the security personnel line moreover.

The utility model discloses a further improvement lies in, the one end of earth connection rather than the electrically conductive dish fixed connection of homonymy, the other end of earth connection runs through left wire hole and extends to the outside, the extension end fixedly connected with ground card of earth connection, the one end of conducting wire rather than the electrically conductive dish fixed connection of homonymy, the other end of conducting wire runs through the wire hole on right side and extends to the outside, the extension end fixedly connected with fastener of conducting wire makes earth connection, conducting wire, ground clamp, fastener and electrically conductive dish form the return circuit like this.

The utility model discloses a further improvement lies in, the material of electrically conductive dish is copper, the diameter of electrically conductive dish is greater than the diameter of wire winding roller, the front of electrically conductive dish and the back contact of wire winding roller, the material of bull stick and the material of wire winding roller are insulating material, are convenient for like this not only carry out the rolling to earth wire and conducting wire, and insulating material avoids personnel to electrocute moreover.

The utility model discloses further improvement lies in, the through-hole has been seted up at the other end middle part of connecting plate, the inside of through-hole articulates there is the handle, and the length of handle is less than the length of through-hole, sets up like this and is convenient for the handle to accomodate to the through-hole in.

The utility model discloses a further improvement lies in, the overlap joint subassembly includes guide bar, current conducting plate, bolt and stopper, the one end fixed connection of guide bar is in the front of lid behind, the middle part longitudinal symmetry of current conducting plate sets up screw hole and guiding hole, guide bar sliding connection is in the inside of guiding hole, the both ends of bolt are all run through the back lid and are the rotation through bearing and back lid and be connected, the bolt is located the inside of the inside one end threaded connection of back lid in the screw hole, stopper fixed connection drives the current conducting plate seesaw at the other end of guide bar through the bolt, and the current conducting plate breaks away from and contacts with the conductive dish to make safety line switch-on and disconnection.

The utility model discloses a further improvement lies in, the material of current conducting plate is copper, the both ends of current conducting plate are located the front side of the electrically conductive dish in both sides respectively, the diameter of stopper is greater than the diameter of guide bar, the bolt is located the outside one end fixedly connected with collets of back lid.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through the back lid that sets up, the protecgulum, the cooperation of annular casing and wire winding subassembly is used, after finishing using, clockwise two handles of rotation respectively, make the handle drive corresponding connecting plate and bull stick and rotate, the bull stick drives corresponding wire winding roller and leads the electrical disk rotation, make the wire winding roller carry out the rolling to corresponding earth connection and conduction line, it is spacing to carry out through the overlap joint subassembly after the rolling finishes, the arrangement is retrieved to convenient earth connection and conduction line like this, and avoided earth connection and conduction line to receive damage and contact failure.

2. The cooperation through wire winding subassembly and the overlap joint subassembly that sets up is used, when launching the safety line, clockwise twist the bolt, make the bolt drive the current conducting plate to the positive motion, make the current conducting plate can slide on the guide bar, thereby make the current conducting plate break away from electrically conductive dish, make electrically conductive dish lose spacingly, rotate the handle according to service environment afterwards, make earth connection and conductive line extension be suitable length, then reverse twist the bolt, make the both ends of current conducting plate and electrically conductive dish contact and spacing, thereby make the current conducting plate with two electrically conductive dishes, earth connection and conductive line switch-on form the return circuit, can be connected earth clamp and body of the tower at last, make fastener and connection of electric lines, so not only convenient to use, and the availability factor is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of an electric power security device of the present invention.

Fig. 2 is a schematic sectional view of the power security device of the present invention.

Fig. 3 is a schematic left sectional view of the winding assembly of the power security device of the present invention.

Fig. 4 is a schematic left sectional view of the electrical safety device of the present invention.

In the figure: 1. a rear cover; 101. a front cover; 102. an annular housing; 103. a wire outlet hole; 2. a rotating rod; 201. a winding roller; 202. a conductive plate; 3. a connecting plate; 301. a through hole; 302. a handle; 4. a guide bar; 401. a conductive plate; 402. a bolt; 403. a limiting block; 5. a ground line; 501. a ground card; 6. a conductive line; 601. and (4) wire clamping.

Detailed Description

In order to make the technical means, the creative features, the achievement purposes and the functions of the present invention easy to understand, in the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "a," "an," "two," and "three" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be further described with reference to the following detailed description.

Example 1

As shown in fig. 1-4, an electric power safety device comprises a protective casing, the protective casing comprises a rear cover 1, a front cover 101 and an annular casing 102, the front end and the rear end of the annular casing 102 are fixedly connected with the front surface of the rear cover 1 and the back surface of the front cover 101, two symmetrically arranged wire winding assemblies are arranged inside the protective casing, each wire winding assembly comprises a rotating rod 2, a wire winding roller 201, a conductive disc 202 and a connecting plate 3, the rear end of the rotating rod 2 is rotatably connected with the front surface of the rear cover 1 through a bearing, the front end of the rotating rod 2 penetrates through the front cover 101 and extends to the outside to be fixedly connected with one end of the connecting plate 3, the wire winding roller 201 is fixedly connected to the rotating rod 2, a gap is reserved between the front surface of the wire winding roller 201 and the front cover 101, the conductive disc 202 is fixedly connected to the outer surface of the rear end of the rotating rod 2, a gap is reserved between the back surface of the conductive disc 202 and the rear cover 1, a grounding wire 5 is arranged on the left side of the wire winding roller 201, a conducting wire 6 is wound on the right winding roller 201, and a lap joint component is arranged between the two conducting discs 202; the cross section of the rear cover 1 and the cross section of the front cover 101 are both in a keyway shape, the annular shell 102 is matched with the rear cover 1 and the front cover 101, the left end and the right end of the annular shell 102 are both provided with wire outlet holes 103, and the material of the rear cover 1, the material of the front cover 101 and the material of the annular shell 102 are all insulating materials; one end of the grounding wire 5 is fixedly connected with the conductive disc 202 on the same side, the other end of the grounding wire 5 penetrates through the wire outlet hole 103 on the left side and extends to the outside, the extending end of the grounding wire 5 is fixedly connected with a grounding clamp 501, one end of the conducting wire 6 is fixedly connected with the conductive disc 202 on the same side, the other end of the conducting wire 6 penetrates through the wire outlet hole 103 on the right side and extends to the outside, and the extending end of the conducting wire 6 is fixedly connected with a wire clamp 601; the conductive disc 202 is made of copper, the diameter of the conductive disc 202 is larger than that of the winding roller 201, the front surface of the conductive disc 202 is in contact with the back surface of the winding roller 201, and the rotating rod 2 and the winding roller 201 are both made of insulating materials; through-hole 301 has been seted up at the other end middle part of connecting plate 3, and the inside of through-hole 301 articulates there is handle 302, and the length of handle 302 is less than the length of through-hole 301.

The embodiment can realize that: through the back lid 1 that sets up, the protecgulum 101, the cooperation of annular casing 102 and wire winding subassembly is used, after finishing using, clockwise two handles 302 of rotating respectively, make handle 302 drive corresponding connecting plate 3 and bull stick 2 and rotate, bull stick 2 drives corresponding wire winding roller 201 and electrically conductive dish 202 and rotates, make wire winding roller 201 carry out the rolling to corresponding earth connection 5 and conduction line 6, it is spacing to carry out through the overlap joint subassembly after the rolling finishes, the arrangement is retrieved to convenient 5 and conduction line 6 of not only docking ground connection, and avoided earth connection 5 and conduction line 6 to receive damage and contact failure.

Example 2

As shown in fig. 1-4, an electric power safety device comprises a protective casing, the protective casing comprises a rear cover 1, a front cover 101 and an annular casing 102, the front end and the rear end of the annular casing 102 are fixedly connected with the front surface of the rear cover 1 and the back surface of the front cover 101, two symmetrically arranged wire winding assemblies are arranged inside the protective casing, each wire winding assembly comprises a rotating rod 2, a wire winding roller 201, a conductive disc 202 and a connecting plate 3, the rear end of the rotating rod 2 is rotatably connected with the front surface of the rear cover 1 through a bearing, the front end of the rotating rod 2 penetrates through the front cover 101 and extends to the outside to be fixedly connected with one end of the connecting plate 3, the wire winding roller 201 is fixedly connected to the rotating rod 2, a gap is reserved between the front surface of the wire winding roller 201 and the front cover 101, the conductive disc 202 is fixedly connected to the outer surface of the rear end of the rotating rod 2, a gap is reserved between the back surface of the conductive disc 202 and the rear cover 1, a grounding wire 5 is arranged on the left side of the wire winding roller 201, a conducting wire 6 is wound on the right winding roller 201, and a lap joint component is arranged between the two conducting discs 202; the cross section of the rear cover 1 and the cross section of the front cover 101 are both in a keyway shape, the annular shell 102 is matched with the rear cover 1 and the front cover 101, the left end and the right end of the annular shell 102 are both provided with wire outlet holes 103, and the material of the rear cover 1, the material of the front cover 101 and the material of the annular shell 102 are all insulating materials; one end of the grounding wire 5 is fixedly connected with the conductive disc 202 on the same side, the other end of the grounding wire 5 penetrates through the wire outlet hole 103 on the left side and extends to the outside, the extending end of the grounding wire 5 is fixedly connected with a grounding clamp 501, one end of the conducting wire 6 is fixedly connected with the conductive disc 202 on the same side, the other end of the conducting wire 6 penetrates through the wire outlet hole 103 on the right side and extends to the outside, and the extending end of the conducting wire 6 is fixedly connected with a wire clamp 601; the conductive disc 202 is made of copper, the diameter of the conductive disc 202 is larger than that of the winding roller 201, the front surface of the conductive disc 202 is in contact with the back surface of the winding roller 201, and the rotating rod 2 and the winding roller 201 are both made of insulating materials; a through hole 301 is formed in the middle of the other end of the connecting plate 3, a handle 302 is hinged inside the through hole 301, and the length of the handle 302 is smaller than that of the through hole 301; the lap joint assembly comprises a guide rod 4, a conductive plate 401, a bolt 402 and a limiting block 403, one end of the guide rod 4 is fixedly connected to the front face of the rear cover 1, the middle part of the conductive plate 401 is provided with a threaded hole and a guide hole in an up-and-down symmetrical mode, the guide rod 4 is connected to the inside of the guide hole in a sliding mode, two ends of the bolt 402 penetrate through the rear cover 1 and are rotatably connected with the rear cover 1 through bearings, one end, located inside the rear cover 1, of the bolt 402 is connected to the inside of the threaded hole in a threaded mode, and the limiting block 403 is fixedly connected to the other end of the guide rod 4; the material of conducting plate 401 is copper, and the both ends of conducting plate 401 are located the front side of both sides conducting plate 202 respectively, and the diameter of stopper 403 is greater than the diameter of guide bar 4, and the bolt 402 is located the outside one end fixedly connected with insulating block of back lid 1.

The embodiment can realize that: the cooperation through wire winding subassembly and the overlap joint subassembly that sets up is used, when expanding the safety line, clockwise twist bolt 402, make bolt 402 drive conducting plate 401 to the frontal motion, make conducting plate 401 slide on guide bar 4, thereby make conducting plate 401 break away from conducting disc 202, make conducting disc 202 lose spacingly, rotate handle 302 according to service environment afterwards, make earth connection 5 and conducting wire 6 extend and be suitable length, then reverse twist bolt 402, make the both ends of conducting plate 401 and the contact of conducting disc 202 and spacing, thereby make conducting plate 401 with two conducting discs 202, earth connection 5 and the switch-on of conducting wire 6 form the return circuit, can be connected earth clamp 501 with the body of a tower at last, make fastener 601 and connection of electric lines, so not only convenient to use, and the availability factor has been improved.

It should be noted that, the utility model relates to an electric power safety device, when expanding the safety wire, through twisting the screw block clockwise, the screw block drives the bolt 402 to rotate, the bolt 402 drives the current conducting plate 401 to move to the front, make the current conducting plate 401 slide on the guide bar 4, thereby make the current conducting plate 401 break away from the current conducting plate 202, make the current conducting plate 202 lose the spacing, later according to the service environment pulling earth wire 5 and current conducting wire 6, make earth wire 5 and current conducting wire 6 stretch out through the corresponding wire outlet hole 103, when earth wire 5 and current conducting wire 6 extend to the appropriate length, then reverse twisting the insulating block, the bolt 402 reverses and drives the current conducting plate 401 to move backward, make the both ends of 401 contact with the current conducting plate 202 and spacing, thereby make the current conducting plate 401 form the return circuit with two current conducting plates 202, earth wire 5 and current conducting wire 6 switch on, can be connected with the grounding card 501 and the body of the tower at last, connecting the wire clamp 601 with the electric wire; after finishing using, unscrew bolt 402, make conducting plate 401 break away from electrically conductive dish 202, clockwise two handles 302 of rotation respectively, make handle 302 drive corresponding connecting plate 3 and bull stick 2 and rotate, bull stick 2 drives corresponding wire winding roller 201 and electrically conductive dish 202 and rotates, make wire winding roller 201 carry out the rolling to corresponding earth connection 5 and conducting wire 6, screw bolt 402 again after the rolling finishes, make conducting plate 401 and electrically conductive dish 202 contact, the arrangement is retrieved to convenient earth connection 5 and conducting wire 6 like this, and avoided earth connection 5 and conducting wire 6 to receive damage and contact failure.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electric power security device, includes the protective housing, its characterized in that: the protective housing comprises a rear cover (1), a front cover (101) and an annular housing (102), the front end and the rear end of the annular housing (102) are fixedly connected with the front surface of the rear cover (1) and the back surface of the front cover (101) respectively, two symmetrical winding assemblies are arranged in the protective housing, each winding assembly comprises a rotating rod (2), a winding roller (201), a conductive disc (202) and a connecting plate (3), the rear end of each rotating rod (2) is rotatably connected with the front surface of the rear cover (1) through a bearing, the front end of each rotating rod (2) penetrates through the front cover (101) and extends to the outside to be fixedly connected with one end of the connecting plate (3), the winding rollers (201) are fixedly connected onto the rotating rods (2), a gap is reserved between the front surfaces of the winding rollers (201) and the front cover (101), the conductive discs (202) are fixedly connected to the outer surface of the rear end of the rotating rods (2), and a gap is reserved between the back surface of the conductive disc (202) and the rear cover (1), the left side is provided with a grounding wire (5) and a right side which are wound on the winding roller (201), and the conductive wire (6) is wound on the winding roller (201), and a lap joint assembly is arranged between the conductive discs (202).

2. An electrical security device as claimed in claim 1, wherein: the cross section of the rear cover (1) and the cross section of the front cover (101) are both in a key groove shape, the annular shell (102) is matched with the rear cover (1) and the front cover (101), wire outlet holes (103) are formed in the left end and the right end of the annular shell (102), and the rear cover (1), the front cover (101) and the annular shell (102) are all made of insulating materials.

3. An electrical security device as claimed in claim 1, wherein: the one end of earth connection (5) and electrically conductive dish (202) fixed connection of its homonymy, the other end of earth connection (5) runs through left wire hole (103) and extends to the outside, the extension end fixedly connected with ground connection card (501) of earth connection (5), the one end of conducting wire (6) and electrically conductive dish (202) fixed connection of its homonymy, the other end of conducting wire (6) runs through wire hole (103) on right side and extends to the outside, the extension end fixedly connected with fastener (601) of conducting wire (6).

4. An electrical security device as claimed in claim 1, wherein: the conductive disc (202) is made of copper, the diameter of the conductive disc (202) is larger than that of the winding roller (201), the front face of the conductive disc (202) is in contact with the back face of the winding roller (201), and the rotating rod (2) and the winding roller (201) are made of insulating materials.

5. A power security device as claimed in claim 1, wherein: through-hole (301) have been seted up in the other end middle part of connecting plate (3), the inside of through-hole (301) articulates there is handle (302), and the length of handle (302) is less than the length of through-hole (301).

6. An electrical security device as claimed in claim 1, wherein: the overlap joint subassembly includes guide bar (4), current conducting plate (401), bolt (402) and stopper (403), the front in back lid (1) is connected to the one end fixed connection of guide bar (4), the middle part longitudinal symmetry of current conducting plate (401) set up screw hole and guiding hole, guide bar (4) sliding connection is in the inside of guiding hole, the both ends of bolt (402) all run through back lid (1) and are the rotation through bearing and back lid (1) and be connected, the inside one end threaded connection in the screw hole of bolt (402) inside lid (1) is located back, stopper (403) fixed connection is at the other end of guide bar (4).

7. An electrical security device as claimed in claim 6, wherein: the material of conducting plate (401) is copper, the both ends of conducting plate (401) are located the front side of both sides conducting disc (202) respectively, the diameter of stopper (403) is greater than the diameter of guide bar (4), bolt (402) are located the outside one end fixedly connected with insulating block of back lid (1).