CN106972293B - Plug-in type connecting device for overhead line - Google Patents
Plug-in type connecting device for overhead line Download PDFInfo
- Publication number
- CN106972293B CN106972293B CN201710321943.8A CN201710321943A CN106972293B CN 106972293 B CN106972293 B CN 106972293B CN 201710321943 A CN201710321943 A CN 201710321943A CN 106972293 B CN106972293 B CN 106972293B
- Authority
- CN
- China
- Prior art keywords
- plug
- clamping part
- insulating shell
- side wall
- sliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
- H01R4/4863—Coil spring
- H01R4/4872—Coil spring axially compressed to retain wire end
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention provides an overhead line plug-in type connecting device which comprises an insulating shell, a wire clamp, a connecting wire plug and a clamping assembly, wherein the insulating shell is provided with a connecting wire plug; the insulating shell is internally provided with a cavity, the lower end surface of the insulating shell is provided with an insertion hole for the connecting wire plug to extend into the cavity, the wire clamp is fixedly connected to the outer side wall of the insulating shell, the wire clamp is fixedly communicated with the power line, the contact part of the wire clamp extends into the cavity of the insulating shell, the clamping assembly is fixed in the cavity of the insulating shell and comprises at least one clamping part matched with the connecting wire plug, and the clamping part is communicated with the contact part of the wire clamp. The beneficial effects of the invention are as follows: the device reduces the rush-repair time of the power distribution network, can select surrounding lines nearby and replace plug-and-pull connecting devices (lead plug and grounding plug), quickly completes site safety measures, and is safe and efficient.
Description
Technical Field
The invention relates to an overhead line plug-in type connecting device.
Background
When the overhead line of the power distribution network is newly input into high-voltage electrical equipment for access, live working personnel need to carry out the lap joint operation of drainage lines in a short distance, so that the safety risk is high, and the damage to the operators is very easy.
When the overhead line of the distribution network has a power failure to overhaul and construct, in order to prevent the occurrence of personal electric shock accidents caused by electrostatic induction generated by nearby electrified bodies or when reverse power transmission exists suddenly, all high-voltage equipment possibly carrying out reverse power transmission in an overhead line section to be overhauled is required to be provided with grounding wires, time and labor are wasted, and the traditional grounding operation process is carried out in a power failure line.
Disclosure of Invention
The invention aims to solve the technical problem of providing an overhead line plug-in type connecting device which is reasonable in structure and high in safety.
In order to solve the technical problems, the invention provides an overhead line plug-in type connecting device;
the device at least comprises an insulating shell, a wire clamp, a connecting wire plug head and a clamping assembly;
the insulating shell is internally provided with a cavity, the lower end surface of the insulating shell is provided with an insertion hole for the connecting wire plug to extend into the cavity, the wire clamp is fixedly connected to the outer side wall of the insulating shell, the wire clamp is fixedly communicated with the power line, the contact part of the wire clamp extends into the cavity of the insulating shell, the clamping assembly is fixed in the cavity of the insulating shell and comprises at least one clamping part matched with the connecting wire plug, and the clamping part is communicated with the contact part of the wire clamp.
After the structure is adopted, the plug-in type connecting device for the overhead line is fixed on the overhead line conductor through the wire clamp, the clamping assembly can be connected with the connecting wire plug or the connecting wire plug, and the sufficient safety distance between an operator and electrified equipment can be ensured by means of the insulating operating rod, so that the safety of the operator is ensured.
The plug-in type connecting device for the overhead line can be operated by an insulating operating rod for temporarily climbing a rod on the overhead line or can be directly operated on an insulating arm car, and also can be installed in place in advance when the overhead line is technically improved and overhauled, and is convenient to install so as to be used for directly connecting equipment when a power supply is needed to be accessed.
The plug-in type connecting device for the overhead line has two purposes: 1. the power supply is connected, the connecting wire is connected with the power supply, and the connecting wire plug is directly inserted into the plug-in type connecting device of the overhead line through the operating rod, so that the power supply connection function can be realized; 2. the connecting wire is grounded, and the connecting wire plug is directly inserted into the plug-in type connecting device of the overhead line through the operating rod, so that the power supply grounding function can be realized.
The beneficial effects of the invention are as follows: the device reduces the rush-repair time of the power distribution network, can select surrounding lines nearby and replace plug-and-pull connecting devices (lead plug and grounding plug), quickly completes site safety measures, and is safe and efficient.
For a clearer understanding of the technical content of the present invention, the present overhead line pluggable connection device will be hereinafter simply referred to as the present connection device.
The upper side wall of the connecting wire plug of the connecting device is provided with a limiting block, the upper side wall of the connecting wire plug is also provided with an annular clamping groove, the lower end surface of the insulating shell is also provided with a limiting hole corresponding to the limiting block, the limiting hole is communicated with the inserting hole, and the inner wall of the upper side of the cavity of the insulating shell is downwards extended to form a limiting column contacted with the upper end of the connecting wire plug; after the structure is adopted, the limiting block can ensure that the angle and the position of the connecting wire plug are fixed when the connecting wire plug is inserted, and can be matched with the locking assembly to lock the connecting wire plug, so that the connecting wire plug is prevented from falling off or shaking, the annular clamping groove can be matched with the clamping assembly, the connecting wire plug is limited to shake up and down, and the limiting column can limit the insertion depth of the connecting wire plug.
The clamping assembly of the connecting device comprises a first U-shaped clamping part and a second U-shaped clamping part, wherein the first U-shaped clamping part and the second U-shaped clamping part are sequentially fixed in a cavity of an insulating shell up and down, the height of the first U-shaped clamping part is the same as the width of an annular clamping groove, the projection of the opening direction of the first U-shaped clamping part on the lower end face of the insulating shell is perpendicular to the projection of the opening direction of the second U-shaped clamping part on the lower end face of the insulating shell, and the projection of an area between two end parts of the second U-shaped clamping part on the lower end face of the insulating shell completely covers a limiting hole; after the structure is adopted, the clamping assembly structure is more reasonable, the connecting wire plug head sequentially stretches into the second U-shaped clamping part and the first U-shaped clamping part, the second U-shaped clamping part limits the connecting wire plug head to move forwards and backwards, and the first U-shaped clamping part limits the connecting wire plug head to move leftwards and rightwards.
The insulating shell of the connecting device is internally provided with a wire withdrawing assembly, the wire withdrawing assembly at least comprises a sliding rod and a wire withdrawing clamping part, the sliding rod moves up and down, the sliding rod vertically stretches into an opening of the first U-shaped clamping part, the side wall of the upper part of the sliding rod is provided with a convex ring, the outer side wall of the convex ring and the sliding rod are transited through a chamfer, the outer diameter of the convex ring is larger than the opening width of the first U-shaped clamping part, the wire withdrawing clamping part is fixedly connected to the upper side of the convex ring, and the projection of the wire withdrawing clamping part on the lower end face of the insulating shell is positioned in the projection of the opening of the first U-shaped clamping part on the lower end face of the insulating shell.
The annular groove of the connecting wire plug inserted into the insulating shell is matched with the first U-shaped clamping part of the clamping assembly, and when the connecting wire plug withdraws, the first U-shaped clamping part normally can prevent the connecting wire plug from moving downwards and can not withdraw the connecting wire plug;
after the wire withdrawing component is adopted, the sliding rod is moved downwards, the side wall of the sliding rod moves relative to the opening of the first U-shaped clamping part, when the sliding rod moves to a chamfer transition surface between the sliding rod and the convex ring, the width between the openings of the first U-shaped clamping part is gradually increased, the width is increased to be larger than the diameter of the side wall of the connecting wire plug, meanwhile, the wire withdrawing clamping part at the upper end of the sliding rod synchronously moves downwards, the wire withdrawing clamping part abuts against and drives the connecting wire plug to move downwards, and the connecting wire plug can be smoothly pulled out from the first U-shaped clamping part.
The wire withdrawing assembly of the connecting device further comprises a fixing clamp and a plurality of fixing plates, the second U-shaped clamping part is fixedly connected with the inner wall of the cavity of the insulating shell through the side wall of the fixing clamp, the fixing clamp is wrapped on the outer side of the second U-shaped clamping part, the sliding rod is arranged on the side wall of the fixing clamp, the fixing plates are fixedly connected on the side wall of the fixing clamp, sliding holes are formed in the fixing plates, the sliding holes of all the fixing plates sequentially form a sliding rod up-down moving sliding channel, the middle part and the lower part of the sliding rod are matched with the sliding channel, after the structure is adopted, the fixing clamp is wrapped on the outer side of the second U-shaped clamping part, namely, the purpose of preventing the second U-shaped clamping part from excessively deforming is achieved, the effect of fixing the fixing plates is achieved, and the sliding rod moves up and down in the sliding channel.
The connecting device also comprises a locking component, wherein the locking component is arranged on the side wall of the lower end of the cavity of the insulating shell and at least comprises a first positioning seat, a sliding block, a first spring and a locking stop block, the first positioning seat is fixedly connected on the lower side wall of the cavity of the insulating shell, the first positioning seat is close to the position of the limiting hole and the position of the inserting hole, a sliding groove matched with the sliding block is arranged on the side wall of the first positioning seat, the sliding groove is positioned on the side wall of the side, far away from the limiting hole, of the first positioning seat, and the sliding block is arranged in the sliding groove;
the locking stop block further comprises a blocking part, a connecting rod part and a first stress part, wherein the blocking part is connected with the first stress part through the connecting rod part, the connecting rod part of the locking stop block penetrates through the first positioning seat, the blocking part is positioned at one side position of the first positioning seat, which is close to the limiting hole, the first stress part is positioned at one side position of the first positioning seat, which is far away from the limiting hole, the connecting rod part is sleeved with a first spring, the first spring is abutted between the blocking part and the first positioning seat, and an inclined surface which is contacted with the first stress part of the locking stop block is formed in the side wall of the sliding block;
in the initial state, the blocking part of the first spring acting locking stop block completely covers the limiting hole; when the sliding block moves along the sliding groove, the inclined surface of the sliding block moves relative to the first stressed part of the locking stop block in the axial direction of the connecting rod part until the blocking part of the locking stop block moves out of the upper part of the limiting hole.
After the structure is adopted, the locking stop block can prevent the plug of the connecting wire from being inserted when the locking stop block is in an initial state (namely when the power line is electrified); when the power line is not electrified, the sliding block is pushed, the locking stop block moves out of the position above the limiting hole, and the connecting wire plug can be inserted.
Because this connecting device has locking component, and spacing hole is in normally closed state, under the general circumstances, connecting wire plug can't insert clamping component, before connecting wire plug inserts this connecting device, tests electric installation at first and detects whether conveying line is electrified. If no electricity is provided, the sliding block moves upwards, and the connecting wire plug can be inserted into the connecting device by using the operating rod; if electricity exists, the limiting hole is in a closed state, the connecting device is still in a locking state, the connecting wire plug cannot be inserted into the connecting device, and misoperation cannot occur when a power line is electrified.
The locking assembly of the connecting device further comprises a second positioning seat, a second spring and a backstop, wherein the second positioning seat is fixed on the side wall of the lower end of the cavity of the insulating shell, the backstop penetrates through the second positioning seat, the second spring is sleeved outside the backstop, one end of the second spring is propped against the second positioning seat, the other end of the second spring is propped against one side end part of the backstop, the other side end part of the backstop extends to the upper side of the position of the limiting hole, the end part of the backstop is positioned at the lower side of the blocking part of the blocking dog, a second stressed part extends from the middle part of the backstop, the second stressed part is positioned at the lower side of the first stressed part of the blocking dog, and the second stressed part is contacted with the inclined plane of the sliding block.
After the structure is adopted, after the connecting wire plug head stretches into the clamping assembly, the sliding block moves to the highest displacement position along the trend of the sliding groove, the second stress part at the lower side of the first stress part of the locking stop block is separated from the sliding block, the stopping stop block stretches to the upper side of the position of the limiting hole again under the action of the second spring, the clamping assembly and the stopping stop block limit all degrees of freedom of the drainage wire plug head, and the relative movement between the drainage wire plug head and the clamping assembly is avoided.
Drawings
Fig. 1 is one of the perspective views of an embodiment of the present connection device.
FIG. 2 is a second perspective view of an embodiment of the present connection device.
FIG. 3 is a third perspective view of an embodiment of the present connection device.
Fig. 4 is a perspective view of an insulating housing, wire clip and clamping assembly in an embodiment of the present connection.
Fig. 5 is a perspective view of an insulating housing, wire clip and securing assembly in an embodiment of the present connection.
Fig. 6 is a perspective view of an insulating housing and locking assembly in an embodiment of the present connection.
Fig. 7 is a perspective view of the bottom side wall of the insulating housing cavity in an embodiment of the present connection device.
Fig. 8 is a perspective view of a latch stop in an embodiment of the present connection.
Fig. 9 is a perspective view of the stop block of the present coupling device embodiment.
Fig. 10 is a perspective view of a connector plug according to an embodiment of the present connection device.
Fig. 11 is a perspective view of a slider in an embodiment of the present connection device.
Detailed Description
As shown in fig. 1 to 11 (for clarity of understanding of the technical content of the invention, the side walls of a part of the insulating housing 2 are omitted from fig. 1 to 7, wherein only the bottom side wall of the insulating housing cavity is shown in fig. 6 and 7)
The connecting device comprises an insulating shell 2, a wire clamp, a connecting wire plug 3, a clamping assembly, a wire withdrawing assembly and a locking assembly 6.
The wire clamp is the puncture wire clamp 1, hangs puncture wire clamp 1 behind power line 7, screws up the bolt through electric spanner to fix puncture wire clamp 1 on power line 7, puncture wire clamp 1 is fixed at insulating housing 2 upside outer wall, and the contact 11 of puncture wire clamp 1 stretches into in the cavity of insulating housing 2.
The insulating housing 2 is internally provided with a cavity, the lower end surface of the insulating housing 2 is provided with an insertion hole 21 for the connecting wire plug 3 to extend into the cavity, and the inner wall of the upper side of the cavity of the insulating housing 2 is downwards extended with a limit post 22 contacted with the upper end of the connecting wire plug 3.
The upper side wall of the connecting wire plug 3 is provided with a limiting block 31, the upper side wall of the connecting wire plug 3 is also provided with an annular clamping groove 32, the lower end surface of the insulating shell 2 is also provided with a limiting hole 23 corresponding to the limiting block 31, and the limiting hole 23 is communicated with the insertion hole 21.
The clamping assembly comprises a first U-shaped clamping part 41 and a second U-shaped clamping part 42, the first U-shaped clamping part 41 and the second U-shaped clamping part 42 are sequentially fixed in a cavity of the insulating shell 2 up and down, the projection of the opening direction of the first U-shaped clamping part 41 on the lower end face of the insulating shell 2 and the projection of the opening direction of the second U-shaped clamping part 42 on the lower end face of the insulating shell 2 are mutually perpendicular, the projection of an area between two end parts of the second U-shaped clamping part 42 on the lower end face of the insulating shell 2 completely covers the limiting hole 23, the first U-shaped clamping part 41 is fixed on the side wall of the cavity of the insulating shell 2, the first U-shaped clamping part 41 is in contact communication with the contact part 11 of the puncture clamp 1, and the height of the first U-shaped clamping part 41 is identical with the width of the annular clamping groove 32.
The insulating shell is internally provided with a wire withdrawing assembly, the wire withdrawing assembly comprises a sliding rod 52, a wire withdrawing clamping part 53, a fixing clamp 51 and two fixing plates 54, the fixing clamp 51 fixes the second U-shaped clamping part 42 of the clamping assembly and the inner wall of a cavity of the insulating shell 2 through bolts, the fixing clamp 51 wraps the outer side of the second U-shaped clamping part 42 to achieve the purpose of preventing the second U-shaped clamping part 42 from excessively deforming, the two fixing plates 54 are welded on the side wall of the fixing clamp 51, each fixing plate 54 is provided with a sliding hole, the sliding holes of all fixing plates 54 sequentially form a sliding rod 52 to move up and down to form a sliding channel, the middle part and the lower part of the sliding rod 52 are matched with the sliding channel, and the middle part of the sliding rod 52 vertically stretches into an opening of the first U-shaped clamping part 41;
the upper side wall of the sliding rod 52 is provided with a convex ring 52a, the outer side wall of the convex ring 52a and the sliding rod are in chamfer transition, the outer diameter of the convex ring 52a is larger than the opening width of the first U-shaped clamping part 41, the wire withdrawing clamping part 53 is welded on the upper side of the convex ring 52a, the opening width of the wire withdrawing clamping part 53 is larger than the width of the limit post 22, but the projection of the wire withdrawing clamping part 53 on the lower end face of the insulating shell 2 is positioned in the projection of the opening of the first U-shaped clamping part 41 on the lower end face of the insulating shell 2.
The locking assembly 6 is provided on a lower end side wall of the cavity of the insulating housing 2, and the locking assembly 6 includes a first positioning seat 61, a slider 62, a first spring 64, a locking stopper 63, a second positioning seat 65, a second spring 67, and a backstop 66.
The first positioning seat 61 is welded on the lower side wall of the cavity of the insulating shell 2, the first positioning seat 61 is close to the position of the limiting hole 23 and the position of the inserting hole 21, a sliding groove 61a matched with the sliding block 62 is arranged on the side wall of the first positioning seat 61, the sliding groove 61a is positioned on the side wall of the first positioning seat 61 far away from the side of the limiting hole 23, the sliding groove 61a extends upwards and downwards, the section shape of the sliding block 62 is in a right-angle triangle shape, the side wall of the sliding block 62 is an inclined surface 62a, and the sliding block 62 is arranged in the sliding groove 61 a.
The locking stop block 63 further comprises a blocking portion 63a, a connecting rod portion 63c and a first stress portion 63b, the blocking portion 63a and the first stress portion 63b are connected through the connecting rod portion 63c, the connecting rod portion 63c of the locking stop block 63 penetrates through two sides of the first positioning seat 61, the blocking portion 63a is located at one side position of the first positioning seat 61, which is close to the limiting hole 23, the first stress portion 63b is located at one side position of the first positioning seat 61, which is far away from the limiting hole 23, the first spring 64 is sleeved on the connecting rod portion 63c, the first spring 64 abuts between the blocking portion 63a and the first positioning seat 61, and the first stress portion 63b of the locking stop block 63 is in contact with the inclined surface 62a of the sliding block 62.
The second positioning seat 65 is also welded on the side wall of the lower end of the cavity of the insulating shell 2, the second positioning seat 65 is positioned at one side of the first positioning seat 61 far away from the limiting hole 23, the stop block 66 penetrates through the second positioning seat 65 and the first positioning seat 61, the second spring 67 is sleeved outside the stop block 66, one end of the second spring 67 is abutted against the second positioning seat 65, the other end of the second spring 67 is abutted against one side end part of the stop block 66, the other side end part of the stop block 66 extends to the upper side of the position of the limiting hole 23, the end part of the stop block 66 is positioned at the lower side of the blocking part 63a of the blocking block 63, the second stress part 66a extends on the middle part of the stop block 66, the second stress part 66a is positioned at the lower side of the first stress part 63b of the blocking block 63, and the second stress part 66a is contacted with the inclined surface 62a of the sliding block 62.
The lower end surface of the insulating housing 2 is provided with a through hole 24 corresponding to the slide block 62 of the locking assembly 6.
In the initial state, the blocking portion 63a of the blocking stop 63 is fully covered on the limiting hole 23 by the first spring 64, and the blocking stop 63 prevents the limiting block 31 of the connecting wire plug 3 from entering the insulating housing 2.
During grounding operation, firstly, an electroscope is utilized to detect whether the power line 7 has electricity, if no electricity exists, the sliding block 62 is pushed to move upwards through the through hole 24 on the lower end surface of the insulating shell 2 (in the embodiment, the way of manually pushing the sliding block 62 to move upwards is adopted to finish unlocking the locking assembly 6, but the manual way is not limited to the above way, the follow-up can be modified to an automatic way, specifically, if the power line 7 has current passing through, the sliding block 62 is automatically pushed to move upwards through the unlocking mechanism on the electroscope, if the current passing through the electric line passes through the unlocking mechanism, the sliding block 62 drives the first stressed part 63b of the locking stop block 63 and the second stressed part 66a of the stopping stop block 66 to move in a direction away from the limiting hole 23 until the blocking part 63a of the locking stop block 63 and the stopping stop block 66 completely move out of the upper part of the limiting hole 23, and the limiting block 31 of the connecting wire plug 3 can enter the insulating shell 2 through the limiting hole 23;
the connecting wire plug 3 is a grounding plug, the connecting wire plug 3 is communicated with the grounding end, and the power line 7 is controlled to be grounded by plugging the connecting wire plug 3.
Similarly, when the power is connected, the connecting wire plug 3 is a lead plug, the connecting wire is connected with the power, and the connecting wire plug 3 is directly inserted into the connecting device through the operating rod, so that the power connection function can be realized;
in addition, the operation rod inserts the connecting wire plug 3 into the clamping assembly, the second U-shaped clamping part 42 limits the connecting wire plug 3 to move forwards and backwards, the first U-shaped clamping part 41 limits the connecting wire plug 3 to move leftwards and rightwards, the annular groove 32 of the connecting wire plug 3 inserted into the insulating shell 2 is matched with the first U-shaped clamping part 41 of the clamping assembly, and after the receiving wire plug 3 passes through the stop block 66, the clamping assembly and the stop block 66 limit all degrees of freedom of the connecting wire plug 3, so that no relative movement between the receiving wire plug 3 and the clamping assembly is ensured.
When the connecting wire plug 3 is withdrawn, the operating sliding rod 52 moves downwards (in the embodiment, a hole is formed through the lower end face of the insulating shell 2, the sliding rod 52 is manually operated to move through the hole, but the sliding block 62 can be pushed by follow-up to automatically complete the movement of the sliding rod 52), the opening of the first U-shaped clamping part 41 moves relative to the side wall of the sliding rod 52, and when the opening moves to a chamfer transition surface between the sliding rod 52 and the convex ring 52a, the width between the openings of the first U-shaped clamping part 41 is gradually enlarged to be larger than the diameter of the side wall of the connecting wire plug 3, and the connecting wire plug 3 can not be limited by the first U-shaped clamping part 41; simultaneously, the wire withdrawing clamping part 53 at the upper end of the sliding rod 52 synchronously moves downwards, the wire withdrawing clamping part 53 abuts against and drives the connecting wire plug 3 to move downwards, and the connecting wire plug 3 can be smoothly pulled out from the first U-shaped clamping part 41.
The foregoing is merely one embodiment of the invention, and it should be noted that variations and modifications could be made by those skilled in the art without departing from the principles of the invention, which would also be considered to fall within the scope of the invention.
Claims (4)
1. An overhead line plug-in type connecting device is characterized in that:
the device at least comprises an insulating shell, a wire clamp, a connecting wire plug head and a clamping assembly;
the insulation shell is internally provided with a cavity, the lower end surface of the insulation shell is provided with an insertion hole for the connecting wire plug to extend into the cavity, the wire clamp is fixedly connected to the outer side wall of the insulation shell, the wire clamp is fixedly communicated with the power line, the contact part of the wire clamp extends into the cavity of the insulation shell, the clamping assembly is fixedly arranged in the cavity of the insulation shell and comprises at least one clamping part matched with the connecting wire plug, and the clamping part is communicated with the contact part of the wire clamp;
the upper side wall of the connecting wire plug is provided with a limiting block, the upper side wall of the connecting wire plug is also provided with an annular clamping groove, the lower end surface of the insulating shell is also provided with a limiting hole corresponding to the limiting block, the limiting hole is communicated with the inserting hole, and the inner wall of the upper side of the cavity of the insulating shell is downwards extended to form a limiting column contacted with the upper end of the connecting wire plug;
the clamping assembly comprises a first U-shaped clamping part and a second U-shaped clamping part, the height of the first U-shaped clamping part is the same as the width of the annular clamping groove, the first U-shaped clamping part and the second U-shaped clamping part are sequentially fixed in a cavity of the insulating shell up and down, the projection of the opening direction of the first U-shaped clamping part on the lower end face of the insulating shell is perpendicular to the projection of the opening direction of the second U-shaped clamping part on the lower end face of the insulating shell, and the projection of the area between the two end parts of the second U-shaped clamping part on the lower end face of the insulating shell completely covers the limiting hole;
the insulation shell is internally provided with a wire withdrawing assembly, the wire withdrawing assembly at least comprises a sliding rod and a wire withdrawing clamping part, the sliding rod moves up and down, the sliding rod vertically stretches into an opening of the first U-shaped clamping part, the side wall of the upper part of the sliding rod is provided with a convex ring, the outer side wall of the convex ring and the sliding rod are transited through a chamfer, the outer diameter of the convex ring is larger than the width of the opening of the first U-shaped clamping part, the wire withdrawing clamping part is fixedly connected to the upper side of the convex ring, and the projection of the wire withdrawing clamping part on the lower end surface of the insulation shell is positioned in the projection of the opening of the first U-shaped clamping part on the lower end surface of the insulation shell;
the locking assembly is arranged on the side wall of the lower end of the cavity of the insulating shell and at least comprises a first positioning seat, a sliding block, a first spring and a locking stop block, wherein the first positioning seat is fixedly connected on the lower side wall of the cavity of the insulating shell, the first positioning seat is close to the limiting hole and the inserting hole, a sliding groove matched with the sliding block is arranged on the side wall of the first positioning seat, the sliding groove is positioned on the side wall of the first positioning seat, which is far away from the limiting hole, and the sliding block is arranged in the sliding groove;
the locking stop block further comprises a blocking part, a connecting rod part and a first stress part, wherein the blocking part is connected with the first stress part through the connecting rod part, the connecting rod part of the locking stop block penetrates through the first positioning seat, the blocking part is positioned at one side position of the first positioning seat, which is close to the limiting hole, the first stress part is positioned at one side position of the first positioning seat, which is far away from the limiting hole, the connecting rod part is sleeved with a first spring, the first spring is abutted between the blocking part and the first positioning seat, and an inclined surface which is contacted with the first stress part of the locking stop block is formed in the side wall of the sliding block;
in the initial state, the blocking part of the first spring acting locking stop block completely covers the limiting hole; when the sliding block moves along the sliding groove, the inclined surface of the sliding block moves relative to the first stressed part of the locking stop block in the axial direction of the connecting rod part until the blocking part of the locking stop block moves out of the upper part of the limiting hole.
2. The overhead line pluggable connection of claim 1, wherein:
the wire withdrawing assembly further comprises a fixing clamp and a plurality of fixing plates, the second U-shaped clamping part is fixedly connected with the inner wall of the cavity of the insulating shell through the side wall of the fixing clamp, the fixing clamp is wrapped on the outer side of the second U-shaped clamping part, the sliding rod is arranged on the side wall of the fixing clamp, the fixing plates are fixedly connected onto the side wall of the fixing clamp, sliding holes are formed in the fixing plates, the sliding holes of all the fixing plates sequentially form a sliding rod up-and-down moving sliding channel, and the middle part and the lower part of the sliding rod are matched with the sliding channel.
3. The overhead line pluggable connection of claim 1, wherein:
the locking assembly further comprises a second positioning seat, a second spring and a backstop, wherein the second positioning seat is fixed on the side wall of the lower end of the cavity of the insulating shell, the backstop penetrates through the second positioning seat, the second spring is sleeved outside the backstop, one end of the second spring is propped against the second positioning seat, the other end of the second spring is propped against one side end part of the backstop, the other side end part of the backstop extends to the upper side of the position of the limiting hole, the end part of the backstop is positioned at the lower side of the blocking part of the blocking dog, a second stress part extends from the middle of the backstop, the second stress part is positioned at the lower side of the first stress part of the blocking dog, and the second stress part is contacted with the inclined plane of the sliding block.
4. The overhead line pluggable connection of claim 1, wherein:
the connecting wire plug is a lead plug or a grounding plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321943.8A CN106972293B (en) | 2017-05-09 | 2017-05-09 | Plug-in type connecting device for overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321943.8A CN106972293B (en) | 2017-05-09 | 2017-05-09 | Plug-in type connecting device for overhead line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106972293A CN106972293A (en) | 2017-07-21 |
| CN106972293B true CN106972293B (en) | 2023-08-18 |
Family
ID=59331646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710321943.8A Active CN106972293B (en) | 2017-05-09 | 2017-05-09 | Plug-in type connecting device for overhead line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106972293B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386972B (en) * | 2017-08-21 | 2023-04-07 | 福建亿钻机械有限公司 | Electric shock-proof horizontal directional drilling machine and horizontal directional drilling method |
| CN109975587B (en) * | 2019-03-20 | 2024-04-05 | 贵州电网有限责任公司 | Take electric energy meter of quick mounting structure of mutual-inductor |
| CN113937525A (en) * | 2021-09-02 | 2022-01-14 | 山东鲁能光大电力器材有限公司 | Quick plug-in drainage fastener |
| CN114050534A (en) * | 2021-11-15 | 2022-02-15 | 许昌许继软件技术有限公司 | Uninterrupted drainage wire plugging and unplugging connector device for distribution network and application thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004055508A (en) * | 2002-07-16 | 2004-02-19 | Soc Industrialle De Construction D'appareils & De Materiel Electriques | Insulated branch connector for remote installation onto aerial line for power distribution |
| CN2790001Y (en) * | 2005-05-16 | 2006-06-21 | 长沙电缆附件有限公司 | Connecting-disconnecting indoor and outdoor terminal for high voltage electric cable |
| CN101325318A (en) * | 2008-07-10 | 2008-12-17 | 桐乡市供电局 | Ground wire apparatus for cable end part |
| CN201336387Y (en) * | 2008-12-31 | 2009-10-28 | 湖北省电力公司咸宁供电公司 | High-voltage earthing tool |
| CN101771247A (en) * | 2008-12-30 | 2010-07-07 | 上海市南电力工程有限公司 | Tool for jointing temporary lead wire under live working on rainy day for distribution line and method thereof |
| CN202601857U (en) * | 2012-04-16 | 2012-12-12 | 常州格雷斯通信设备有限公司 | Antitheft lightning-protection ground wire |
| CN203166131U (en) * | 2013-03-19 | 2013-08-28 | 国家电网公司 | Hook of ground wire |
| CN203326150U (en) * | 2013-07-16 | 2013-12-04 | 泉州七星电气有限公司 | Support-type grounding hanging ring |
| CN204030022U (en) * | 2014-06-20 | 2014-12-17 | 国家电网公司 | One exempts to step on rod earth wire |
| CN206834352U (en) * | 2017-05-09 | 2018-01-02 | 国网安徽省电力公司蚌埠供电公司 | Overhead transmission line pluggable connecting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6957117B2 (en) * | 2001-10-09 | 2005-10-18 | Public Service Electric And Gas Company | Portable protective air gap tool and method |
-
2017
- 2017-05-09 CN CN201710321943.8A patent/CN106972293B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004055508A (en) * | 2002-07-16 | 2004-02-19 | Soc Industrialle De Construction D'appareils & De Materiel Electriques | Insulated branch connector for remote installation onto aerial line for power distribution |
| CN2790001Y (en) * | 2005-05-16 | 2006-06-21 | 长沙电缆附件有限公司 | Connecting-disconnecting indoor and outdoor terminal for high voltage electric cable |
| CN101325318A (en) * | 2008-07-10 | 2008-12-17 | 桐乡市供电局 | Ground wire apparatus for cable end part |
| CN101771247A (en) * | 2008-12-30 | 2010-07-07 | 上海市南电力工程有限公司 | Tool for jointing temporary lead wire under live working on rainy day for distribution line and method thereof |
| CN201336387Y (en) * | 2008-12-31 | 2009-10-28 | 湖北省电力公司咸宁供电公司 | High-voltage earthing tool |
| CN202601857U (en) * | 2012-04-16 | 2012-12-12 | 常州格雷斯通信设备有限公司 | Antitheft lightning-protection ground wire |
| CN203166131U (en) * | 2013-03-19 | 2013-08-28 | 国家电网公司 | Hook of ground wire |
| CN203326150U (en) * | 2013-07-16 | 2013-12-04 | 泉州七星电气有限公司 | Support-type grounding hanging ring |
| CN204030022U (en) * | 2014-06-20 | 2014-12-17 | 国家电网公司 | One exempts to step on rod earth wire |
| CN206834352U (en) * | 2017-05-09 | 2018-01-02 | 国网安徽省电力公司蚌埠供电公司 | Overhead transmission line pluggable connecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106972293A (en) | 2017-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106972293B (en) | Plug-in type connecting device for overhead line | |
| CA1038445A (en) | Apparatus for the remote grounding, connection and disconnection of high voltage electrical circuits | |
| WO2016197760A1 (en) | Rapid wire-locking power connector | |
| CN109494665B (en) | Novel jack box and bus duct system using jack box | |
| KR101037722B1 (en) | Grounding cable connector | |
| CN103681142B (en) | A kind of crane insulating barrier | |
| CN205303734U (en) | Anti -drop cable insulation earth clamp | |
| SE464549B (en) | TRANSMISSION SYSTEM INCLUDING A COAXIAL CABLE | |
| JP5555194B2 (en) | Plug connector | |
| KR101796307B1 (en) | Apparatus for connecting underground distribution line | |
| KR101190175B1 (en) | Power distributing board for protecting short circuit of led with wired electrical line at apartment house | |
| CN116721806A (en) | High-voltage wire harness matched with new energy automobile motor | |
| CN114976929B (en) | Block terminal for photovoltaic microgrid | |
| CN110676633B (en) | Safe three-pin socket | |
| CN203377426U (en) | Anti-explosion pin | |
| KR100967198B1 (en) | Position fixed type of access device for supplying of electric power | |
| US3098289A (en) | Connector assembling tool | |
| MX2011003830A (en) | Coaxial cable connector. | |
| WO2020231084A1 (en) | Unlocking device of charging connector | |
| CN203445075U (en) | Line connector insulating separator | |
| KR102124360B1 (en) | Clamping Apparatus And PH Box Having The Same | |
| CN108963862B (en) | Sliding open-close type insulator shielding cover | |
| KR102313346B1 (en) | Switchboard connection terminal apparatus of underground distribution line | |
| CN112863942B (en) | Computer science control door opening and closing device | |
| CN113675802B (en) | Bus duct |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |