CN111653981B - Power grid wire clamp hot-line operation installation equipment and operation method thereof - Google Patents
Power grid wire clamp hot-line operation installation equipment and operation method thereof Download PDFInfo
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- CN111653981B CN111653981B CN202010544558.1A CN202010544558A CN111653981B CN 111653981 B CN111653981 B CN 111653981B CN 202010544558 A CN202010544558 A CN 202010544558A CN 111653981 B CN111653981 B CN 111653981B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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Abstract
The invention discloses a live-line operation installation device and an operation method of a power grid wire clamp, wherein the live-line operation installation device of the power grid wire clamp comprises an anti-loosening wire clamp assembly and an operation rod assembly; the operating rod assembly comprises an insulating fixed rod, and the front end of the insulating fixed rod is rotatably provided with a pair of clamping joints which are arranged in parallel and can be detachably connected with the anti-loosening wire clamp assembly; the anti-loosening wire clamp assembly comprises a wire clamp body, a wiring mechanism is arranged on the outer side of the wire clamp body, a hanging part which is bent outwards is arranged at the upper end of the wire clamp body, and the wire clamp body can be quickly hung and fastened on an overhead line through the operating rod assembly, so that the installation efficiency and the operation safety of the anti-loosening wire clamp can be improved; the supporting fastener body that uses rational in infrastructure, electric conductivity height can avoid the lower carriage to take place to drop in the installation and after the installation is accomplished for whole operation has higher stability and security.
Description
Technical Field
The invention relates to the technical field of distribution network live working, in particular to live-line operation installation equipment for a power grid wire clamp and an operation method thereof.
Background
With the wide development of distribution network live working in recent years, most of rural power network lines in the business area of a power supply company are distributed in the field, a plurality of working live working vehicles cannot reach the working site and cannot carry out potential live working in the middle of an insulating bucket arm vehicle, and the development of distribution network live working is greatly limited due to the reason. However, the height of the field distribution overhead line is high, and the distribution overhead lines in all the areas are different in height, so that the anti-loosening wire clamp is not easy to hang on a cable when being installed, and meanwhile, the adjusting screw is not easy to rotate to clamp and fix the distribution overhead line, and the installation efficiency of the anti-loosening wire clamp is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the first purpose of the invention is to provide the live-line operation installation equipment for the power grid wire clamp, which is convenient for an operator to install the anti-loosening wire clamp on a power distribution overhead line and improves the installation efficiency of the anti-loosening wire clamp.
The technical scheme adopted by the invention is as follows: a live-line operation installation device for a power grid wire clamp comprises a locking wire clamp assembly and an operating rod assembly; the operating rod assembly comprises an insulating fixed rod, and a pair of clamping joints which are arranged in parallel and can be detachably connected with the anti-loosening wire clamp assembly are rotatably arranged at the front end of the insulating fixed rod; the insulating fixing rod is further sleeved with an insulating sleeve capable of rotating circumferentially, the front end of the insulating sleeve is in transmission connection with the two clamping heads through a planetary gear set, the insulating sleeve can drive the two clamping heads to rotate in the same direction when rotating, and a locking mechanism for locking the insulating sleeve and a fixing mechanism for fixing the anti-loosening cable clamp are further arranged at one end, far away from the insulating clamping heads, of the insulating fixing rod respectively; the anti-loosening wire clamp assembly comprises a wire clamp body, and a wiring mechanism is arranged on the outer side of the wire clamp body; the cable clamp comprises a cable clamp body and is characterized in that an outward bending arrangement hanging portion is arranged at the upper end of the cable clamp body, a locking screw rod which is vertically arranged and matched with threads at the lower end of the cable clamp body is arranged at the lower end of the cable clamp body, a clamping assembly which is movably connected with the locking screw rod is arranged at the upper end of the locking screw rod, a cable fixing port is formed in the top wall of the clamping assembly and the hanging portion, a clamping portion which can be connected with a clamping head in a clamping mode is arranged at the lower end of the locking screw rod, and a screwing portion which is connected with a fixing mechanism in a screwing mode is arranged at the lower end of the cable clamp body.
Among this technical scheme, the fastener subassembly can be used to connect distribution overhead line, can constitute electrically conductive connection between messenger's distribution overhead line and the transformer, and the fastener body accessible wiring mechanism of fastener subassembly is connected with the steel-cored aluminum strand wires of transformer, and the fastener body accessible is hung the portion of establishing and is hung on overhead line, can overcome the not hard up phenomenon of wire that leads to because of the cable swing under the effect of clamping assembly for electrical contact nature is better.
The operating rod assembly matched with the wire clamp body can quickly hang and fasten the wire clamp body on an overhead line, and the installation efficiency and the operation safety of the anti-loosening wire clamp can be improved. When the cable clamp body is installed, the screwed part at the lower end of the cable clamp body is fixedly connected with the fixing mechanism of the cable clamp body, the cable clamp body can be prevented from falling off when being installed, after the cable clamp body is fixed through the fixing mechanism, an operator can hold the insulating fixing rod to hang the cable clamp body on an overhead line, and simultaneously rotate the insulating sleeve, the insulating sleeve rotates to drive the two clamping connectors to rotate in the same direction through the planetary gear set, so that the locking screw of the cable clamp body can rotate to achieve the purpose of fastening the cable clamp body, after the cable clamp body is fixed, the fixing mechanism can be separated from the screwed part of the cable clamp body. In addition, locking Assembly still can be used to the locking insulation support, avoids insulation support random rotation, improves the security and the stability of operation.
Preferably, locking mechanical system includes a pair of mutual disposition presses the piece, and two are pressed the piece and are located the inside that joint one end was kept away from to insulating dead lever, press piece one end to be equipped with the splenium of pressing of protrusion insulating dead lever outer peripheral face, the other end is equipped with the sticking department that extends to the insulation support inner wall, insulating dead lever corresponds and is equipped with compression spring between two press the piece, makes the sticking department blocks under compression spring elastic force effect and goes into the locking inslot of locating the insulation support inner wall. So set up, can make the locking part of pressing the briquetting go into the locking groove of insulating sleeve inner wall under compression spring's elasticity effect, realize locking insulating sleeve and then prevent that insulating sleeve from rotating under natural state, improve the security of operation, press the pressing portion of pressing the briquetting can when needing to rotate insulating sleeve, the operating personnel of being convenient for operates.
Preferably, the fixing mechanism comprises a rotating head which is rotatably arranged on the insulating fixing rod and far away from one end of the clamping head, the rotating head is connected with a fixing screw rod which is rotatably arranged in the insulating fixing rod, the fixing screw rod is arranged along the axis of the insulating fixing rod, and the fixing screw rod penetrates through the insulating fixing rod and is close to one end of the wire clamp body and can be connected with a screwed part at the lower end of the wire clamp body in a screwed mode. So set up can treat the fastener body of installation and fix, the fastener body is installed behind the action bars subassembly front end and makes locking screw and joint head joint back, and rotatable head of rotating makes the spiro union of threaded connection portion spiro union of clamping screw and fastener body lower extreme, prevents that the fastener body from taking place to drop when the overhead line operation, accomplishes the rotatable head of rotating to fixed back of fastener body overhead line, makes clamping screw and fastener body spiro union phase separation can take off the action bars.
Preferably, the outer peripheral surface of the rotating head is provided with a connecting part extending to the outer peripheral surface of the insulating fixing rod, and the tail end of the connecting part is movably clamped into a connecting chute arranged around the outer peripheral surface of the insulating fixing rod. So set up and to make the rotating head rotate and set up the lower extreme at insulating dead lever, and then improve the convenience of operation.
Preferably, the front end of the insulating sleeve is also inserted with a live-line operation pre-tightening assembly, the live-line operation pre-tightening assembly comprises a pre-tightening operation joint, the front end of the pre-tightening operation joint is provided with a pre-tightening operation block capable of moving along the longitudinal direction of the pre-tightening operation joint, an installation cavity matched with the pre-tightening operation block in a sliding manner is arranged in the pre-tightening operation joint, the pre-tightening operation block is arranged in the installation cavity in a sliding manner, the front end of the pre-tightening operation block is provided with an operation part penetrating through the front end of the pre-tightening operation joint and provided with a pre-tightening screw, the rear end of the pre-tightening operation block is provided with matching parts of which two sides are matched with the side wall of the installation cavity in a sliding manner, and reset springs are arranged in the installation cavity corresponding to two sides of the pre-tightening operation block, so that the operation part retracts into the installation cavity under the elastic force of the reset springs; the rear end of the pre-tightening operation joint is provided with a socket which can be connected with the front end of the insulating sleeve in an inserting mode, the inner side wall of the socket is provided with a sliding clamping protrusion which is in sliding fit with a sliding groove formed in the outer peripheral surface of the insulating sleeve, the top wall of the socket is provided with an installation screw hole which is communicated with the installation cavity and can be matched with the thread of the fixing screw rod, when the socket of the pre-tightening operation joint is inserted into the front end of the insulating sleeve, the fixing screw rod is rotated to enable the front end of the fixing screw rod to penetrate through the installation screw hole and push the operation part of the pre-tightening operation block out of the front end of the pre-tightening operation joint.
Preferably, the clamping assembly comprises a line pressing block movably connected with the upper ends of the two locking screw rods, the line pressing block is matched with the side wall of the line clamp body in a sliding mode, an expansion spring sleeved on the locking screw rods is arranged between the line pressing block and the lower end of the line clamp body, and the line pressing block can abut against an inner top wall of the hanging portion under the elastic force action of the expansion spring. So set up and to make the stable card of overhead line go into in the cable fixed passage, the line ball piece can sticis overhead line under expanding spring's elastic effect. Avoid the fastener body to rock the emergence because of the cable and drop.
Preferably, the wire clamp body outside still is equipped with a plurality of terminals, wear to be equipped with the line ball board on the terminal, terminal spiro union has the solidus to connect. The circuit of transformer accessible line ball board is fixed on the fastener body, and then forms the electrically conductive connection.
Preferably, a rotating bearing sleeved on the insulating fixed rod is arranged between the insulating fixed rod and the insulating sleeve. The arrangement can reduce the friction force generated by the rotation of the insulating sleeve, and is more convenient for the handheld operation of technicians.
Preferably, one end of the clamping joint is provided with a mounting end which is rotatably connected with the insulating fixed rod, the other end of the clamping joint is provided with a rotating joint which can be detachably connected with the wire clamp, and the mounting end is provided with a mounting bearing which is fixed in the insulating fixed rod. The joint can constitute to rotate with insulating dead lever and is connected and have higher stability simultaneously.
The invention also aims to provide an operation method of the installation equipment for the live operation of the power grid wire clamp, which specifically comprises the following operation steps:
s1, connecting steel strands of a transformer: the transformer steel stranded wire is arranged between the wire pressing plate and the wire clamp body in a penetrating mode, and meanwhile the wire fixing connector is rotated to enable the wire pressing plate to tightly press the transformer steel stranded wire, so that the transformer steel stranded wire is fixed;
s2, installing a wire clamp: the locking screw rod of the wire clamp body is inserted into the clamping joint to form clamping fit, and meanwhile, the rotating head is rotated to enable the fixing screw rod to form threaded connection with the threaded part of the wire clamp body, so that the stable installation of the wire clamp body is realized;
s3, overhead line fixing: the handheld operating rod is used for hanging the wire clamp body hanging part on the overhead line, so that the overhead line is clamped between the inner top wall of the hanging part and the wire pressing block; pressing the splenium and rotating insulation support according to the position of being located insulating dead lever lower extreme, two joint areas move the locking screw and rotate and make the line ball piece sticis overhead line, and overhead line fixed back antiport rotates the head, makes fixed screw and take off the overhead line installation that the action bars accomplished the fastener body after the phase separation of spiro union portion.
The operation method can improve the overhead installation efficiency of the wire clamp and has higher operation safety.
The invention has the beneficial effects that: the invention provides a power grid wire clamp hot-line operation installation device which comprises a telescopic rod and a wire clamp installation sleeve which can be combined to use a power distribution overhead line; the operating rod assembly can quickly hang and fasten the wire clamp body on an overhead line, so that the installation efficiency and the operation safety of the anti-loosening wire clamp can be improved; the matched wire clamp body has reasonable structure and high conductivity, can avoid the falling of the lower frame in the installation process and after the installation is finished, and ensures that the whole operation has higher stability and safety; the invention has reasonable structure, convenient operation, higher practical value and popularization value, and can be widely applied to the operation of distribution network live working.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is an installation schematic diagram of a live-line operation installation device for a power grid cable clamp according to a first embodiment of the present invention.
Fig. 2 is a diagram of a wire clamp assembly of a power grid wire clamp hot-line operation installation device according to a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a live-line pretensioning assembly of a live-line installation device for a power grid cable clamp according to a second embodiment of the present invention.
Fig. 4 is a schematic use view of a live-operation pre-tightening assembly of the live-operation installation device for the power grid cable clamp according to the second embodiment of the present invention.
Reference numerals: the cable clamp comprises an insulating fixing rod 100, an insulating sleeve 200, a clamping joint 300, a cable clamp body 400, a hanging part 410, a screwing part 420, a locking screw 500, a gear ring 600, a planet wheel 700, a mounting bearing 800, a fixing screw 900, a rotating head 1000, a connecting part 1010, a pressing block 1100, a locking part 1110, a compression spring 1200, a binding post 1300, a wire pressing plate 1400, a wire fixing joint 1500, an extension spring 1600, a wire pressing block 1700, an overhead line 1800, a steel strand 1900, a pre-tightening operation joint 2000, a mounting cavity 2010, a socket 2020, a mounting screw 2030, a sliding clamping convex 2040, a pre-tightening operation block 2100, a pre-tightening screw 2110 and a reset spring 2200.
Detailed Description
Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the prior art. Therefore, the present invention is an improvement of the prior art, which is substantially in the connection relationship between hardware, and not in the functions and methods themselves, that is, the present invention relates to a point of functions and methods, but does not include the improvements proposed in the functions and methods themselves. The description of the present invention as to functions and methods is provided for better illustration and understanding of the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Example one
Referring to fig. 1 and fig. 2, the installation apparatus for live-line operation of a power grid cable clamp provided in this embodiment includes a locking cable clamp assembly and an operating rod assembly; the wire clamp assembly can be used for connecting the distribution overhead line 1800, so that the distribution overhead line 1800 and the transformer can be in conductive connection, the operating rod assembly matched with the wire clamp body 400 can quickly hang the wire clamp body 400 and fasten the wire clamp body on the overhead line 1800, and the installation efficiency and the operation safety of the anti-loosening wire clamp can be improved. Specifically, the operating rod assembly provided by the embodiment includes an insulating fixing rod 100, and a pair of clamping joints 300 arranged in parallel and detachably connected with the anti-loose clamp assembly are rotatably arranged at the front end of the insulating fixing rod 100; still the cover is equipped with insulating sleeve 200 that can circumferential direction on the insulating dead lever 100, insulating sleeve 200 front end links to each other with two joint 300 transmissions through planetary gear set, but insulating sleeve 200 can drive two joint 300 when rotating and can the syntropy rotate, the one end that insulating dead lever 100 kept away from insulating joint 300 still is equipped with the locking mechanical system of locking insulating sleeve 200 and the fixed establishment of fixed locking fastener respectively. In addition, the anti-loosening cable clamp assembly provided by the embodiment comprises a cable clamp body 400, wherein a wiring mechanism is arranged on the outer side of the cable clamp body; the utility model discloses a cable clamp, including fastener body 400, locking screw 500, clamping screw 400 upper end, clamping screw 500 upper end, clamping screw and hanging portion 410, the fastener body 400 upper end is equipped with the bending outward and arranges to hang and establish portion 410, the clamping screw 500 lower extreme be equipped with can with the joint portion that joint 300 joint links to each other, fastener body 400 lower extreme is equipped with the spiro union portion 420 with fixed establishment looks spiro union.
As shown in fig. 1 and 2, when the cable clamp assembly is installed, the cable clamp body 400 of the cable clamp assembly can be connected with the steel-cored aluminum stranded wire of the transformer through the wiring mechanism, the cable clamp body 400 can be hung on the overhead line 1800 through the hanging part 410, and the phenomenon of conductor looseness caused by swinging and swinging of the cable can be overcome under the action of the clamping assembly, so that the electrical contact performance is better. When fixing the fastener body 400, the thread connection part 420 of the lower end of the fastener body 400 and the fixing mechanism fixed connection of the fastener body 400, can prevent the fastener body 400 from falling off when mounting, when the fastener body 400 is fixed by the fixing mechanism, an operator can hold the insulating fixing rod 100 to hang the fastener body 400 on the overhead line 1800, and rotate the insulating sleeve 200 simultaneously, the insulating sleeve 200 rotates and can rotate in the same direction through two clamping connectors 300 driven by the planetary gear set, so that the locking screw 500 of the fastener body 400 can rotate to reach the purpose of fastening the fastener body 400, after fixing the fastener body 400, the fixing mechanism can be separated from the thread connection part 420 of the fastener body 400. In addition, locking subassembly still can be used to lock insulation sleeve 200, avoids insulation sleeve 200 to rotate at will, improves the security and the stability of operation, and in this embodiment, planetary gear set is including fixing ring gear 600 at insulation sleeve 200 inner wall and fixing planet wheel 700 on two joints 300, and two planet wheels 700 are located ring gear 600 inboard and mesh mutually with ring gear 600, and when ring gear 600 rotated circumference under insulation sleeve 200, two planet wheels 700 can be the syntropy simultaneously and rotate.
As shown in fig. 1 and fig. 2, in order to lock the insulating sleeve 200 and prevent the insulating sleeve 200 from rotating randomly, the locking mechanism of the present embodiment includes a pair of oppositely disposed pressing blocks 1100, the two pressing blocks 1100 are disposed inside an end of the insulating fixing rod 100 away from the bayonet joint 300, one end of the pressing block 1100 is provided with a pressing portion protruding out of the outer peripheral surface of the insulating fixing rod 100, the other end is provided with a locking portion 1110 extending toward the inner wall of the insulating sleeve 200, the insulating fixing rod 100 is provided with a compression spring 1200 corresponding to the two pressing blocks 1100, so that the locking portion 1110 is clamped into a locking groove disposed on the inner wall of the insulating sleeve 200 under the elastic force of the compression spring 1200. So set up, can make locking portion 1110 of pressing the piece block go into the locking groove of insulating sleeve 200 inner wall under compression spring 1200's elasticity effect card, realize locking insulating sleeve 200 and then prevent insulating sleeve 200 and rotate under natural condition, improve the security of operation, need rotate insulating sleeve 200 the time press the pressing portion of pressing piece 1100 can, the operating personnel of being convenient for operate, press piece 1100 for the convenience of pressing, the surface of pressing the portion can set up the skid resistant course, the operating personnel of being convenient for presses.
As mentioned above, the fixing mechanism is used for fixing the cable clamp body 400 at the front end of the operating rod, the fixing mechanism provided in this embodiment includes the rotating head 1000 rotatably disposed at one end of the insulating fixing rod 100 far from the clamping head 300, the rotating head 1000 is connected with the fixing screw 900 rotatably disposed in the insulating fixing rod 100, the fixing screw 900 is disposed along the axis of the insulating fixing rod 100, and the fixing screw 900 penetrates through the insulating fixing rod 100 and is close to one end of the cable clamp body 400 and can be connected with the screw part 420 at the lower end of the cable clamp body 400 in a screw joint manner. So set up can treat the fastener body 400 of installation and fix, fastener body 400 makes locking screw 500 and joint head 300 joint back of installing behind the action bars subassembly front end, but the rotatory head 1000 that rotates makes clamping screw 900 and the spiro union portion 420 spiro union of fastener body 400 lower extreme, prevent that fastener body 400 from taking place to drop when overhead stringing operation, accomplish the fixed back rotatable head 1000 of rotating of fastener body 400 stringing, make clamping screw 900 and fastener body 400 spiro union portion 420 phase separation can take off the action bars. The peripheral surface of the rotating head 1000 is provided with a connecting part 1010 extending to the peripheral surface of the insulating fixing rod 100, and the tail end of the connecting part 1010 is movably clamped into a connecting chute arranged around the peripheral surface of the insulating fixing rod. So set up and to make the rotating head 1000 rotate and set up in the lower extreme of insulating dead lever 100, and then improve the convenience of operation.
As shown in fig. 1 and 2, the clamping assembly for preventing the rotation of the insulating sleeve 200 includes a wire pressing block 1700 movably connected to the upper ends of the two locking screws 500, the wire pressing block 1700 is slidably fitted to the side wall of the wire clamp body 400, an extension spring 1600 sleeved on the locking screw 500 is disposed between the wire pressing block 1700 and the lower end of the wire clamp body 400, and the wire pressing block 1700 can abut against the inner top wall of the hanging portion 410 under the elastic force of the extension spring 1600. So set up and to make overhead line 1800 stabilize and block in the cable fixed channel, the cable pressing block 1700 can sticis overhead line 1800 cable under the elastic effect of expanding spring 1600. Avoid fastener body 400 to rock the emergence because of the cable and drop.
As shown in fig. 1 and fig. 2, since the wire clamp body 400 needs to be electrically connected to a steel strand 1900 of a transformer, a plurality of terminals 1300 are further disposed outside the wire clamp body 400, a wire pressing plate 1400 is disposed on the terminals 1300, and a wire fixing connector 1500 is screwed to the end of each terminal 1300. The transformer lines may be secured to the clip body 400 by the crimping plate 1400 to form a conductive connection.
As shown in fig. 1 and fig. 2, since the rotational friction between the insulating fixing rod 100 and the insulating sleeve 200 is large, a rotational bearing sleeved on the insulating fixing rod 100 is disposed between the insulating fixing rod 100 and the insulating sleeve 200 in this embodiment. The arrangement can reduce the friction force generated by the rotation of the insulating sleeve 200, and is more convenient for a technician to hold the insulating sleeve by hand.
As shown in fig. 1 and fig. 2, in order to connect the clamping head 300 with the locking screw 500 in a clamping manner and drive the locking screw 500 to rotate, in this embodiment, an installation end rotatably connected with the insulating fixing rod 100 is disposed at one end of the clamping head 300, a rotating joint detachably connected with a wire clamp is disposed at the other end of the clamping head, and an installation bearing 800 fixed in the insulating fixing rod 100 is disposed at the installation end. The card connector 300 can be rotatably connected with the insulating fixing rod 100 with high stability. This embodiment is equipped with the joint notch on rotary joint, and after locking screw 500 card income rotary joint, in the joint notch can be gone into to locking screw 500 both sides joint portion, joint 300 can drive locking screw 500 when rotating and rotate.
The wire clamp body 400 and the wire pressing block 1700 are preferably manufactured by an aluminum alloy material and a metal mold forming process in the embodiment, the locking screw 500 is made of an aluminum alloy rod material, the wire pressing plate 1400 is subjected to hot galvanizing surface treatment after being formed by a Q235 steel plate in a stamping mode, the thickness of a zinc layer is not less than 55um, and components of the insulating fixing rod 100, the insulating sleeve 200, the rotating head 1000 and the like of the operating rod assembly are made of insulating materials, so that live-line operation is safer.
Example two
As shown in fig. 3 and 4, in some power grid maintenance operations, a power grid transformer, a bolt and a nut for fixing a line, etc. need to be fixed, and power cannot be cut off in the whole operation process, so that a live operation is needed, in this embodiment, in order to implement a live fixing operation, a live operation pre-tightening assembly is further inserted into the front end of the insulating sleeve 200, the live operation pre-tightening assembly includes a pre-tightening operation joint 2000, a pre-tightening operation block 2100 capable of moving along the longitudinal direction of the pre-tightening operation joint 2000 is disposed at the front end of the pre-tightening operation joint 2000, an installation cavity 2010 in sliding fit with the pre-tightening operation block 2100 is disposed in the pre-tightening operation joint 2000, an operation part penetrating through the front end of the pre-tightening operation joint 2000 and having a pre-tightening screw 2110 is disposed at the front end of the pre-tightening operation joint 2000, a fitting part with two sides in sliding fit with the side wall of the installation cavity 2010 is disposed at the rear end of the pre-tightening operation block 2100, a return spring 2200 is arranged in the installation cavity 2010 corresponding to two sides of the pre-tightening operation block 2100, so that the operation part retracts into the installation cavity 2010 under the action of the elastic force of the return spring 2200; the rear end of the pre-tightening operation joint 2000 is provided with a socket 2020 capable of being connected with the front end of the insulating sleeve 200 in an inserting manner, the inner side wall of the socket 2020 is provided with a sliding clamping protrusion 2040 in sliding fit with a sliding groove arranged on the outer peripheral surface of the insulating sleeve 200, the top wall of the socket 2020 is provided with an installation screw hole 2030 communicated with the installation cavity 2010 and capable of being in threaded fit with the fixing screw 900, when the socket 2020 of the pre-tightening operation joint 2000 is inserted into the front end of the insulating sleeve 200, the fixing screw 900 is rotated to enable the front end of the fixing screw 900 to penetrate through the installation screw hole 2030 and push the operation part of the pre-tightening operation block 2100 out of the front end of the pre-tightening operation joint 2000.
When the device is used, an operator can insert the pre-tightening operation joint 2000 at the front end of the insulating sleeve 200, meanwhile, the rotary joint is rotated to enable the fixing screw 900 to be in threaded connection with the installation screw hole 2030, the rotary joint is continuously rotated to enable the fixing screw 900 to push the operation part at the front end of the pre-tightening operation block 2100 out of the front end of the pre-tightening operation joint 2000, the operator can conduct self pre-tightening by aligning the pre-tightening screw hole 2110 with a corresponding bolt and the like, the pre-tightening operation joint 2000 is taken down after the pre-tightening operation is completed, the operation part of the pre-tightening operation block 2100 returns into the installation cavity 2010 under the elastic force action of the reset spring 2200, and damage is avoided; the power failure plan is not required to be reported in the whole operation process, the operation is more convenient and safer, and the method has the advantages of complete functions, simplicity in operation, safety in work, good economical efficiency, convenience in maintenance and the like.
EXAMPLE III
The embodiment provides an operation method of the installation equipment for live-line operation of the power grid wire clamp according to the first embodiment, and the operation method specifically comprises the following operation steps:
step 1, connecting the steel strands of the transformer: the transformer steel strand 1900 is arranged between the wire pressing plate 1400 and the wire clamp body 400 in a penetrating mode, and meanwhile the wire fixing connector is rotated to enable the wire pressing plate 1400 to press the transformer steel strand 1900 tightly, so that the transformer steel strand is fixed.
Step 2, installing a wire clamp: the locking screw 500 of the wire clamp body 400 is inserted into the clamping connector 300 to form clamping fit, and meanwhile, the rotating head 1000 is rotated to enable the fixing screw 900 to form threaded connection with the thread part 420 of the wire clamp body 400, so that stable installation of the wire clamp body 400 is realized.
Step 3, fixing the overhead line, and hanging the wire clamp body 400 hanging part 410 on the overhead line 1800 by holding the operating rod by hand, so that the overhead line 1800 is clamped between the inner top wall of the hanging part 410 and the wire pressing block 1700; pressing the pressing part at the lower end of the insulating fixing rod 100 and rotating the insulating sleeve 200, the two clamping joints 300 drive the locking screw 500 to rotate so that the line pressing block 1700 presses the overhead line 1800, the rotating head 1000 rotates reversely after the overhead line 1800 is fixed, and the operating rod is taken down after the fixing screw 900 is separated from the screwed part 420 so as to complete the installation of the overhead line 1800 of the line clamp body 400.
In the operation method, the wire clamp body can be stably arranged on the operating rod before being fixed on the overhead line, and can be separated from the operation after the fixation is finished, so that the wire clamp is prevented from falling off in the installation process; can improve the built on stilts installation effectiveness of fastener, have higher operational safety nature simultaneously.
In the description of the present application, it is to be understood that the terminology used herein is for the purpose of description only and is not intended to be interpreted as indicating or implying any relative importance or implicit indication of the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (9)
1. The live-line operation installation equipment for the power grid wire clamp comprises a locking wire clamp assembly and an operating rod assembly, and is characterized in that the locking wire clamp assembly comprises a locking wire clamp body and a locking rod;
the operating rod assembly comprises an insulating fixing rod (100), and a pair of clamping connectors (300) which are arranged in parallel and can be detachably connected with the anti-loosening wire clamp assembly are rotatably arranged at the front end of the insulating fixing rod (100); the insulation fixing rod (100) is further sleeved with an insulation sleeve (200) capable of rotating circumferentially, the front end of the insulation sleeve (200) is in transmission connection with the two clamping joints (300) through a planetary gear set, the insulation sleeve (200) can drive the two clamping joints (300) to rotate in the same direction when rotating, and one end, far away from the insulation clamping joints (300), of the insulation fixing rod (100) is further provided with a locking mechanism for locking the insulation sleeve (200) and a fixing mechanism for fixing the anti-loose wire clamp respectively; the fixing mechanism comprises a rotating head (1000) which is rotatably arranged at one end of the insulating fixing rod (100) far away from the clamping head (300), and the rotating head (1000) is connected with a fixing screw rod (900) which is rotatably arranged in the insulating fixing rod (100);
the anti-loosening wire clamp assembly comprises a wire clamp body (400), a wiring mechanism is arranged on the outer side of the wire clamp body (400), a hanging portion (410) which is bent outwards is arranged at the upper end of the wire clamp body (400), a locking screw rod (500) which is vertically arranged and is matched with threads at the lower end of the wire clamp body (400) is arranged at the lower end of the wire clamp body (400), a clamping assembly which is movably connected with the locking screw rod (500) is arranged at the upper end of the locking screw rod (500), the clamping assembly and the inner top wall of the hanging portion (410) form a cable fixing port, and a clamping portion which can be connected with a clamping connector (300) in a clamping mode is arranged at the lower end of the; the lower end of the wire clamp body (400) is provided with a screwed part (420) which is screwed with the fixing mechanism;
the front end of the insulating sleeve (200) is also inserted with a live-line operation pre-tightening assembly, the live-line operation pre-tightening assembly comprises a pre-tightening operation joint (2000), the front end of the pre-tightening operation joint (2000) is provided with a pre-tightening operation block (2100) capable of moving along the longitudinal direction of the pre-tightening operation joint (2000), a mounting cavity (2010) which is matched with the pre-tightening operation block (2100) in a sliding way is arranged in the pre-tightening operation joint (2000), the pre-tightening operation block (2100) is arranged in the mounting cavity (2010) in a sliding way, the front end of the pre-tightening operation block (2100) is provided with an operation part which can pass through the front end of the pre-tightening operation joint (2000) and is provided with a pre-tightening screw (2110), the rear end of the pre-tightening operation block (2100) is provided with a matching part of which two sides are in sliding fit with the side wall of the installation cavity (2010), reset springs (2200) are arranged in the mounting cavity (2010) and correspond to two sides of the pre-tightening operation block (2100), so that the operation part retracts into the mounting cavity (2010) under the action of the elastic force of the reset springs (2200); the rear end of the pre-tightening operation joint (2000) is provided with a socket (2020) which can be connected with the front end of the insulating sleeve (200) in an inserting mode, the inner side wall of the socket (2020) is provided with a sliding clamping protrusion (2040) which is in sliding fit with a sliding groove on the outer peripheral surface of the insulating sleeve (200), the inner top wall of the socket (2020) is provided with a mounting screw hole (2030) which is communicated with the mounting cavity (2010) and can be in threaded fit with the fixing screw (900), when the socket (2020) of the pre-tightening operation joint (2000) is inserted into the front end of the insulating sleeve (200), the front end of the fixing screw (900) can penetrate through the mounting screw hole (2030) by rotating the fixing screw (900), and the operation part of the pre-tightening operation block (2100) is ejected out of the front end of the pre-tightening operation joint (2000).
2. The installation device for live operation of a power grid wire clamp according to claim 1, characterized in that: locking mechanical system includes a pair of mutual disposition according to moving piece (1100), and two are located insulating dead lever (100) according to moving piece (1100) and keep away from the inside of joint (300) one end, press pressing portion, the other end that move piece (1100) one end and be equipped with protrusion insulating dead lever (100) outer peripheral face to be equipped with locking portion (1110) that extend to insulating sleeve (200) inner wall, insulating dead lever (100) correspond two and are equipped with compression spring (1200) between pressing piece (1100), make locking portion (1110) are gone into the locking inslot of locating insulating sleeve (200) inner wall under compression spring (1200) spring action card.
3. The installation device for live operation of a power grid wire clamp according to claim 1, characterized in that: the fixing screw rod (900) is arranged along the axis of the insulating fixing rod (100), and the fixing screw rod (900) penetrates through the insulating fixing rod (100) and is close to one end of the wire clamp body (400) and can be connected with a threaded part (420) at the lower end of the wire clamp body (400) in a threaded mode.
4. The installation device for live operation of a power grid wire clamp according to claim 1, characterized in that: the outer peripheral face of the rotating head (1000) is provided with a connecting portion (1010) extending to the outer peripheral face of the insulating fixing rod (100), and the tail end of the connecting portion (1010) is movably clamped into a connecting sliding groove arranged on the outer peripheral face of the insulating fixing rod (100) in a surrounding mode.
5. A power grid clamp live-line operation installation apparatus as claimed in claim 2, wherein: clamping assembly include with two locking screw (500) upper end swing joint's line ball piece (1700), line ball piece (1700) and fastener body (400) lateral wall slip adaptation, be equipped with between line ball piece (1700) and fastener body (400) lower extreme and overlap telescopic spring (1600) of establishing on locking screw (500), line ball piece (1700) can support under telescopic spring (1600) spring action and lean on and establish the interior roof of portion (410) by hanging.
6. A power grid clamp live working installation apparatus as claimed in claim 5, wherein: the wire clamp is characterized in that a plurality of binding posts (1300) are further arranged on the outer side of the wire clamp body (400), a wire pressing plate (1400) penetrates through the binding posts (1300), and the tail ends of the binding posts (1300) are connected with wire fixing connectors (1500) in a threaded mode.
7. The installation device for live operation of a power grid wire clamp according to claim 1, characterized in that: and a rotating bearing sleeved on the insulating fixing rod (100) is arranged between the insulating fixing rod (100) and the insulating sleeve (200).
8. The installation device for live operation of a power grid wire clamp according to claim 1, characterized in that: the clamp joint is characterized in that one end of the clamp joint (300) is provided with a mounting end which is rotatably connected with the insulating fixing rod (100), the other end of the clamp joint is provided with a rotating joint which can be detachably connected with a wire clamp, and the mounting end is provided with a mounting bearing (800) which is fixed in the insulating fixing rod (100).
9. An operating method suitable for the live-line installation device of a grid clamp according to claim 6, characterized in that: the method comprises the following operation steps:
s1, connecting steel strands of a transformer: the transformer steel stranded wire is arranged between the wire pressing plate (1400) and the wire clamp body (400) in a penetrating mode, and meanwhile the wire fixing connector (1500) is rotated to enable the wire pressing plate (1400) to press the transformer steel stranded wire tightly, so that the transformer steel stranded wire is fixed;
s2, installing a wire clamp: the locking screw (500) of the wire clamp body (400) is inserted into the clamping joint (300) to form clamping fit, and meanwhile, the rotating head (1000) is rotated to enable the fixing screw (900) to be in threaded connection with the threaded part (420) of the wire clamp body (400), so that the stable installation of the wire clamp body (400) is realized;
s3, overhead line fixing: the hanging part (410) of the wire clamp body (400) is hung on an overhead line by the hand-held operating rod, so that the overhead line is clamped between the inner top wall of the hanging part (410) and the wire pressing block (1700); pressing the pressing part at the lower end of the insulating fixing rod (100) and rotating the insulating sleeve (200), the two clamping joints (300) drive the locking screw (500) to rotate so that the line pressing block (1700) presses the overhead line, the fixed back reverse rotation of the overhead line (1800) rotates the head (1000), and the operating rod is taken down after the fixing screw (900) is separated from the screwed part (420) so as to complete the installation of the overhead line of the line clamp body (400).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010544558.1A CN111653981B (en) | 2020-06-15 | 2020-06-15 | Power grid wire clamp hot-line operation installation equipment and operation method thereof |
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| CN202010544558.1A CN111653981B (en) | 2020-06-15 | 2020-06-15 | Power grid wire clamp hot-line operation installation equipment and operation method thereof |
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| CN111653981A CN111653981A (en) | 2020-09-11 |
| CN111653981B true CN111653981B (en) | 2021-09-24 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114725705B (en) * | 2022-04-19 | 2023-11-28 | 国网河北省电力有限公司经济技术研究院 | Adjustable power transmission line grounding wire hook |
| CN117812493B (en) * | 2024-02-29 | 2024-06-14 | 宁波富声达电机有限公司 | Ceiling loudspeaker box |
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