Branch lead assembly and use method thereof
Technical Field
The invention relates to the technical field of branch electricity taking, in particular to a branch electricity leading assembly and a use method of the branch electricity leading assembly.
Background
Some operations in the electric power field need to shunt electricity from an electrified fixed conductor, and the electricity-taking branch lines are mostly flexible conductors; in some operations, the fixed wire needs to be grounded, and the grounding branch is mostly a hard wire, but the grounding branch can also be a soft wire, and the fixed wire is generally not electrified but may be electrified. To accomplish these operations, it is necessary to electrically connect the power or ground branch to the fixed wire, while avoiding personal injury to the operator due to the voltage on the fixed wire or the voltage that may be present. Generally, the grounding after the fixed wire is disconnected by switching off can reduce the personal injury of the operator caused by the voltage, but the personal injury can also cause negative effects, such as the adverse effect of power failure on the user. For this reason, it is a research and development direction to provide a device that can perform line branching on a fixed wire regardless of whether the fixed wire is electrified or not.
Patent document CN106410450A describes a double-hook top-pressing type high-voltage grounding wire, which comprises a wire hook, two opposite wire clamping plates are arranged in the wire hook, a wire jacking device is arranged at the inner side of the bending part at the top of the wire hook, the high-voltage grounding wire also comprises an insulating rod, an angle adjusting plate and a movable T-shaped bracket, wherein the top end of the insulating rod is provided with a fixed sleeve, the angle adjusting plate is fixedly arranged on the fixed sleeve, the movable T-shaped bracket is arranged on the angle adjusting plate, a fixed central hole is arranged on the angle adjusting plate, an angle guiding device is arranged at the periphery of the fixed central hole, a fixed through hole matched with the fixed central hole is arranged on the movable T-shaped support, two wire hooks are distributed on two sides of the top end of the movable T-shaped support side by side, and two copper wire fixing holes which are distributed up and down are also formed in the movable T-shaped support, and the copper wire fixing holes are located above the angle guiding device. In the technical scheme, no matter whether a copper wire is a soft wire or a hard wire, the insulating rod can hang the wire hook on the fixed wire; meanwhile, the two wire clamping plates in the wire hook can clamp and fix the wire, so that the wire hook and the fixed wire can be rotationally fixed.
The quick-release parallel groove clamp with the branch capable of being in T connection and the branch connecting clamp in CN204905467U described in patent document CN206574878U are electric power diversion clamps which are realized by a plurality of components connected in a clamping manner and the like, and the branch lead and the fixed lead can be fixed together after the electric power diversion clamps are assembled. In theory, it is preferable to ground the fixed conductor in order to avoid the presence of a voltage on the fixed conductor or the possible presence of a voltage causing personal injury to the operator.
In the C-clip mounter, the wire connecting operation device, and the wire connecting method described in patent document CN108565576A, the wire connecting method requires the use of one main support bar, one first support bar, and one second support bar, so that the fixing effect can be achieved on the basis of the remote operation, but many auxiliary tools are required.
In a connection device and a connection system for a J-shaped wire clamp described in patent document CNCN110661153A, a motor is built in the connection device, and the motor is remotely operated by a remote controller to achieve the fastening effect of the J-shaped wire clamp and a fixed wire.
Patent document CN203607567U describes a drainage clamp, which includes a base and a hook. The pedestal includes mutually perpendicular's branch line cassette and pushes down the lid, and the one end of branch line cassette is provided with the branch line hole, sets up the cassette bolt hole that runs through the branch line hole on the lateral wall of branch line cassette. The second bolt is installed in the bolt hole, the branch line is pressed on the inner wall of the branch line hole in the inward screwing process of the second bolt, and the other end of the branch line clamping seat is in transition connection with the lower pressing cover in a sealing mode, so that the end portion is in a sealing state.
Disclosure of Invention
The invention aims to provide a branch electric leading assembly and a using method of the branch electric leading assembly, and aims to solve the technical problem that an existing electric power diversion clamp is not suitable for electrically connecting a drainage wire and a power supply bus in ground potential operation.
In order to achieve the purpose of the invention, the following technical scheme can be selected according to the requirement:
a branch lead assembly comprises a lead clamp and an insulating operating rod; the lead wire clamp comprises a power taking hook and a first fastening bolt, and the first fastening bolt is in threaded connection with the power taking hook so that the first fastening bolt and the power taking hook are matched to clamp a power supply bus; the insulating operation rod comprises a supporting rod and a movable pull rod, the movable pull rod is detachably connected with the first fastening bolt, so that when the movable pull rod is pulled, the movable pull rod can be fixedly connected with the lead wire clamp and the supporting rod, and after the movable pull rod is pushed out, the lead wire clamp can be separated from the supporting rod and the movable pull rod is separated from the first fastening bolt.
Wherein, get the electric hook and be used for with the electrically conductive fixed connection of drainage wire.
Preferably, the support rod is a sleeve sleeved on the movable pull rod.
Furthermore, the first fastening bolt is an eye bolt, the end of the movable pull rod is provided with a hook head for hooking the eye bolt, and the hook head can be accommodated in the sleeve.
Preferably, the supporting rod is provided with a circumferential positioning groove, and the lead wire clamp is provided with a limiting part matched with the circumferential positioning groove.
Preferably, the lead wire clamp further comprises a drainage wire fixing module electrically connected with the power taking hook, and the drainage wire fixing module is arranged at a position where the mechanical cooperation of the lead wire clamp and the operating rod is not influenced to realize branch lead.
Further, drainage line fixed module includes the drainage fastener, it is equipped with the side fixed part to get the electric hook, the drainage fastener with the side fixed part is connected for the electricity connect the drainage line with get the electric hook.
Still further, the drainage wire clamp comprises a lantern ring and a second fastening bolt which are connected through a thread pair, the lantern ring is detachably connected with the side fixing part, and the second fastening bolt is used for detachably connecting the drainage wire, the lantern ring and the side fixing part.
Furthermore, the side fixed part has connecting portion and end stop portion, the lantern ring be equipped with be used for with connecting portion rotatable coupling's flat hole, the major diameter of flat hole with when end stop portion corresponds, end stop portion can pass the lantern ring, the minor diameter of flat hole with when end stop portion corresponds, end stop portion can be spacing the lantern ring is in on the connecting portion.
Preferably, the electricity taking hook is an aluminum alloy member, the first fastening bolt is a steel member, a first fastening bolt perforation is formed in the aluminum alloy member, and a steel threaded sleeve which is in threaded connection with the first fastening bolt is fixedly connected to the aluminum alloy member. The aluminum alloy component is light, but its intensity is less than steel component intensity, and when both threaded connection cooperateed, the easy screw thread of aluminum alloy component easily worn and torn, fixed connection steel screw thread sleeve on getting the electricity couple, like this, the intensity of steel screw thread sleeve and steel component is similar, and the life-span is close.
The method for using the branch electricity leading assembly comprises the following steps:
electrically connecting the lead wire clamp and the drainage wire, and fixing the movable pull rod and the first fastening bolt;
holding the support rod and simultaneously pulling the movable pull rod to keep the lead wire clamp and the support rod in a fixed connection state, hanging the lead wire clamp on a power supply bus and rotating the movable pull rod to fixedly connect the lead wire clamp and the power supply bus in a mode of screwing the first fastening bolt;
the movable pull rod is pushed out while the supporting rod is held, and after the lead wire clamp and the supporting rod are separated, the movable pull rod and the first fastening bolt are separated.
The method for using the branch electricity leading assembly comprises the following steps:
fixing the movable pull rod and the first fastening bolt;
the support rod is held while the movable pull rod is pulled so that the lead wire clamp and the support rod are kept in a fixed connection state, the movable pull rod is rotated so that the lead wire clamp and the power supply bus are in a movable connection state in a mode of loosening the first fastening bolt, and the power supply bus and the lead wire clamp are separated.
Compared with the prior art, the invention has the beneficial effects that:
1. can realize the form location to the lead wire clamp through the cooperation of bracing piece and activity pull rod, through the dismantled connection of activity pull rod and first holding bolt, also can realize the separation of activity pull rod and lead wire clamp, can realize electric drainage line and power supply bus through the remote operation lead wire clamp of insulating bar. And the insulating effect of the insulating operating rod is combined, so that the effect can be realized on the basis of not influencing the power supply capacity of the power supply bus. Its best place of use is ground potential.
2. The sleeve can increase the axial strength of the insulating operating rod when sleeved on the movable pull rod.
3. The lifting eye bolt and the hook head have simple structures, and the functions of drawing and twisting the first fastening bolt by the movable pull rod can be realized.
4. The circumference constant head tank cooperates with spacing portion, can realize the circumference fixed connection of bracing piece and lead wire clamp, and what like this can be convenient twists reverse first tight set bolt through the movable pull rod to realize power supply bus and get the fixed connection or the swing joint of electric hook through first tight set bolt.
5. Through the relative position of the flat hole of adjustment lantern ring and connecting portion, play the spacing effect of end stop portion to the lantern ring as required, be convenient for select suitable lantern ring according to the line footpath of drainage wire.
6. By adopting the branch electric component, the drainage wire can be conveniently led out or taken down.
Drawings
Fig. 1 is a schematic view of the connection between a power lead clip, a power supply bus and a current conducting wire of a branch power lead assembly according to the present invention.
Fig. 2 is a front view of a power-taking hook of a branch power-taking assembly of the present invention.
Fig. 3 is a view from direction a of fig. 2.
Fig. 4 is a view from direction B of fig. 2.
Fig. 5 is an assembly view of the collar and the second fastening bolt of the branch lead assembly according to the present invention.
Fig. 6 is a structural diagram of a power-taking hook of a branch power-guiding assembly according to the present invention.
Fig. 7 is a diagram illustrating a state of use of a branch lead assembly according to the present invention.
Fig. 8 is a diagram illustrating another state of the branch lead assembly according to the present invention.
The reference number indicates that 11-electricity-taking hook, 110-hook head part, 111-power supply bus positioning groove, 112-guide groove, 113-counterforce part, 114-connecting part, 115-end stopping part, 116-connecting part, 117-end stopping part, 12-clamping piece, 121-clamping surface, 122-positioning convex part, 13-pressure spring, 14-first fastening bolt, 140-cylindrical part, 141-threaded part, 142-suspension ring head, 15-lantern ring, 16-second fastening bolt, 180-supporting rod, 181-circumferential positioning groove, 182-limiting part, 183-limiting part, 190-movable pull rod, 191-hook head, 21-power supply bus and 22-drainage wire.
Detailed Description
The present invention is described below in terms of embodiments in conjunction with the accompanying drawings to assist those skilled in the art in understanding and implementing the present invention. Unless otherwise indicated, the following embodiments and technical terms therein should not be understood to depart from the background of the technical knowledge in the technical field.
A branch lead assembly of the present invention, as seen in fig. 1-8, includes a lead clamp and an insulated operating rod.
The lead wire clamp is used for electrically connecting the power supply bus and the drainage wire. When the design, firstly, the effect of the electric connection between the power supply bus and the drainage wire is to be improved as much as possible, and secondly, the looseness between the power supply bus and the lead wire clamp and between the lead wire clamp and the drainage wire is to be avoided. The lead wire clamp comprises a power taking hook 11 and a first fastening bolt 14, wherein the first fastening bolt 14 is in threaded connection with the power taking hook 11, so that the first fastening bolt 14 is matched with the power taking hook 11 to clamp a power supply bus 21. The electricity taking hook 11 comprises a hook head part 110 and a reaction part 113 which are fixedly connected, a first fastening bolt 14 is in threaded connection with the reaction part 113 so as to detachably clamp the power supply bus 21, and a first electricity connecting contact is arranged on the connecting surface of the lead wire clamp and the power supply bus 21. When the drainage wire clamp is used, the drainage wire 22 is fixedly connected with the electricity taking hook 11, and a second electricity connecting contact is arranged on the connecting surface of the drainage wire clamp, which is used for connecting the drainage wire 22. In order to electrically connect the power supply bus bar 21 and the drainage wire 22, a conductive part for electrically connecting the first electrical contact and the second electrical contact is further provided on the electricity taking hook 11. One possible method is to make the lead wire clamp of conductive material, preferably aluminum or copper, which has better conductivity and weather resistance.
The insulated operating rod is used for enabling the separated lead wire clamp to be in contact with the power supply bus and achieving detachable connection of the lead wire clamp and the power supply bus. The support rod 180 and the movable pull rod 190 are included, when the support rod 180 and the movable pull rod 190 are used, the support rod 180 and the movable pull rod 190 need to be held, so that the support rod 180 needs to be provided with an insulation section, two ends of the support rod 180 are provided with insulation isolation, and the movable pull rod 190 needs to be provided with an insulation section, so that two ends of the movable pull rod 190 are also provided with insulation isolation. The movable pull rod 190 is detachably connected to the first fastening bolt 14, so that the lead wire clamp and the support rod 180 can be fixedly connected when the movable pull rod 190 is pulled, and the lead wire clamp and the support rod 180 can be separated and the movable pull rod 190 and the first fastening bolt 14 can be separated after the movable pull rod 190 is pushed out.
In the present invention, the support rod 180 is connected to the movable rod 110. To simplify the structure of the insulated operating rod, the supporting rod 180 is preferably a sleeve sleeved on the movable pull rod 190. Further, the first fastening bolt 14 is an eye bolt, the end of the movable pull rod is provided with a hook head 191 for hooking the eye bolt, and the hook head 191 can be accommodated in the sleeve. When the hook head 191 hooks the eye head 142 of the eye bolt and is accommodated in the sleeve, the end of the sleeve can abut against the reaction part 113, so that the electric hook 11 and the sleeve are positioned in the axial direction. The pressure of the reaction part 113 and the sleeve can form friction force, so that the electricity taking hook 11 and the sleeve are positioned in the circumferential direction. Therefore, when the movable pull rod 190 is pulled, the lead wire clamp and the support rod 180 can be fixedly connected.
Preferably, a circumferential positioning groove 181 is arranged on the support rod 180, and a limiting part matched with the circumferential positioning groove 181 is arranged on the power taking hook 11. It should be understood that, when the circumferential positioning groove 181 is wider, the reaction portion 113 of the power-taking hook 11 may also form a limiting portion. After the circumferential positioning groove is arranged, the circumferential positioning groove and the limiting part are matched to replace the friction force to realize the circumferential positioning of the electricity taking hook 11 and the sleeve.
Of course, the supporting rod 180 may also be a rod body disposed at the side of the movable pull rod 190, and a base for connecting with the cylindrical pair of the supporting rod 180 is fixed on the rod body. It should be understood that the supporting rod 180 needs to position the power taking hook 11 in the circumferential direction of the movable pull rod, and therefore, a matched limiting structure needs to be arranged on the power taking wire clamp or the supporting rod 180.
Due to the cross-sectional area of the threaded portion of the first fastening bolt 14 and the clamping manner, the structure of the power supply bus bar 21 is easily broken when the first fastening bolt 14 and the hook head portion 110 clamp the power supply bus bar.
Preferably, the insulating operating rod is selected from gun insulating operating rods, such as 8104, 8106, 8108 and 8110 type live-wire work tools of HASTINGS company in USA.
Referring to fig. 6, the power line clamp further includes a clamping member 12, the clamping member 12 is connected to the first fastening bolt 14 through a rotation pair, and the clamping member 12 cooperates with the hook head portion 110 to clamp the power supply bus bar 21. In this way, during the process of tightening or loosening the first fastening bolt 14, the holder 12 can be lifted in the axial direction of the first fastening bolt 14, avoiding damage to the power supply bus 14 due to circumferential rotation of the holder 12 relative to the power supply bus 14. Generally, the ball bearing can realize the rotating pair connection under the condition that the required thrust is small. Preferably, a positioning protrusion 122 is further fixedly connected to the clamping member 21, and a guide groove 112 is further provided on the hook head 110, and the direction of the guide groove 112 is parallel to the axial direction of the first fastening bolt 14. The positioning protrusion 122 is inserted into the guide groove 112 to form a moving pair to prevent the rotation of the holder 12 while it is lifted and lowered. Preferably, the clamping member 12 is provided with a V-shaped clamping surface 121 on a side adjacent to the power supply bus bar 21, and when the V-shaped clamping surface 121 contacts with the power supply bus bar 21, two contact lines can be formed.
In order to avoid the lead wire clamp from clamping the power supply bus 21 to be loose due to the shaking of the drain wire or the power supply bus, referring to fig. 1, the lead wire clamp further comprises a pressure spring 13, the pressure spring 13 is sleeved on the first fastening bolt 14, one end of the pressure spring 13 abuts against the clamping piece 12, and the other end of the pressure spring 13 abuts against the counter-force portion 113. The compression spring 13 can provide a reaction force to reduce the loosening of the first fastening bolt 14.
Preferably, the lead wire clamp further comprises a drainage wire fixing module electrically connected with the power taking hook 11, and the drainage wire fixing module is arranged at a position where the mechanical cooperation of the lead wire clamp and the operating rod is not influenced to realize branch lead.
Further, drainage line fixed module includes the drainage fastener, gets the electric hook and is equipped with the side fixed part, and the drainage fastener is connected with the side fixed part for the electricity connect the drainage line with get the electric hook.
Still further, referring to FIGS. 1-6, the drainage clip includes a collar 15 and a second set screw 16 that is threadably mounted to the collar 15, the collar 15 being removably attachable to the side securing portion, the second set screw 16 being adapted to removably attach the drainage wire 22, the collar 15 and the side securing portion.
Further, the side fixing portion has a connecting portion 114 and an end stop portion 115, the collar 15 has a flat hole for rotatable connection with the connecting portion 114, the end stop portion can pass through the collar 15 when the long diameter of the flat hole corresponds to the end stop portion 115, and the end stop portion 115 can limit the collar 15 on the connecting portion 114 when the short diameter of the flat hole corresponds to the end stop portion 115. Referring to fig. 3, the connecting portion 116 and the end stop portion 117 also belong to a set of side fixing portions. It should be understood that the flat holes may be rectangular holes, elliptical holes, or irregular holes, such as the holes shown in FIG. 5.
Preferably, the electricity-taking hook 11 is an aluminum alloy member, the first fastening bolt 14 is a steel member, the reaction portion 113 is provided with a first fastening bolt through hole, and the reaction portion 113 is fixedly connected with a steel threaded sleeve (not shown) for being in threaded connection with the first fastening bolt 14. The aluminum alloy component is light, but its intensity is less than steel component intensity, and when both threaded connection cooperatees, the easy screw thread of aluminum alloy component easily weared and torn, fixed connection steel screw thread sleeve on getting electric couple 11, like this, the intensity of steel screw thread sleeve and steel component is similar, and the life-span is close.
The method for using the branch electricity leading component comprises the following steps:
electrically connecting the lead wire clamp and the drainage wire, and fixing the movable pull rod and the first fastening bolt;
holding the support rod and simultaneously pulling the movable pull rod to keep the lead wire clamp and the support rod in a fixed connection state, hanging the lead wire clamp on a power supply bus and rotating the movable pull rod to fixedly connect the lead wire clamp and the power supply bus in a mode of screwing the first fastening bolt;
the movable pull rod is pushed out while the supporting rod is held, and after the lead wire clamp and the supporting rod are separated, the movable pull rod and the first fastening bolt are separated.
By adopting the method, the drainage wire can be electrically connected with the power supply bus.
The method for using the branch electricity leading assembly comprises the following steps:
fixing the movable pull rod and the first fastening bolt;
the support rod is held while the movable pull rod is pulled so that the lead wire clamp and the support rod are kept in a fixed connection state, the movable pull rod is rotated so that the lead wire clamp and the power supply bus are in a movable connection state in a mode of loosening the first fastening bolt, and the power supply bus and the lead wire clamp are separated.
By adopting the method, the lead wire clamp can be taken down from the power supply bus.
The invention is described in detail above with reference to the figures and examples. It should be understood that in practice it is not intended to be exhaustive of all possible embodiments, and the inventive concepts of the present invention are presented herein by way of illustration. Without departing from the inventive concept of the present invention and without any creative work, a person skilled in the art should, in all of the embodiments, make optional combinations of technical features and experimental changes of specific parameters, or make a routine replacement of the disclosed technical means by using the prior art in the technical field to form specific embodiments, which belong to the content implicitly disclosed by the present invention.