CN109462180B - Triangular supporting rod for live working and using method - Google Patents
Triangular supporting rod for live working and using method Download PDFInfo
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- CN109462180B CN109462180B CN201811096403.5A CN201811096403A CN109462180B CN 109462180 B CN109462180 B CN 109462180B CN 201811096403 A CN201811096403 A CN 201811096403A CN 109462180 B CN109462180 B CN 109462180B
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- 230000015556 catabolic process Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000003247 decreasing effect Effects 0.000 description 1
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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
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Abstract
The invention discloses a triangular support rod for live working and a using method thereof, aiming at solving the defect that the traditional wire supporting tool can only adjust the wire distance between two cables. The cable fixing device comprises a plurality of groups of supporting groups for expanding a first cable, a second cable and a third cable, wherein each supporting group comprises a supporting rod A, a supporting rod B and a positioning rod, the supporting rods A, the supporting rods B and the positioning rods are arranged between the first cable and the second cable, one end of each supporting rod B is supported on the third cable, the other end of each supporting rod B is rotatably connected to the corresponding supporting rod A, one end of each positioning rod is hinged to one corresponding supporting rod through a rotatable device, and the other end of each positioning rod is fixedly arranged on the other corresponding supporting rod. The three-cable adjustable positioning device has the advantage that the line spacing among three cables of the three cables can be changed, and the positioning rod can be stretched, so that the adjustment of workers is facilitated.
Description
Technical Field
The invention relates to the field of high-voltage high-altitude live maintenance, in particular to a triangular supporting rod for live working.
Background
At present, along with the requirement of users on power supply reliability, the demand on live working is higher and higher, the engineering difficulty is changed greatly, the work of simple overlapping leads is increased or decreased, the trend of complex projects such as live upright posts, live strain open and additional installation of switches is more and more obvious, and certain safety risks exist in the original working mode and working method. In live operation, the original line spacing is no longer safe and is easy to generate phenomena such as electric arc, breakdown and the like, and the line spacing between cables needs to be increased. Therefore, new safety tools are needed to be designed to reduce the safety risk during live operation. There is a need for a new safety tool to adjust the line spacing between the three cables to prevent safety accidents.
Chinese patent publication No. CN200920122843.3, the utility model discloses a wire supporting tool for in the operation of electrified pole setting, this application discloses a wire supporting tool for in the operation of electrified pole setting, the technical essential of the utility model is: one end of the insulating rod is provided with a fixed stay rod head, and the other end is provided with a movable stay rod head which can be movably matched with the insulating rod. The movable supporting rod head is vertically connected with the retaining ring through a wire clamping groove, a plurality of through holes are distributed at one end of the insulating rod, the movable supporting rod head is buckled on the insulating rod through the retaining ring, the two tail ends of the retaining ring are fixed through fixing bolts, and the retaining ring is radially fixed at the through holes through movable bolts. The three-phase cable has the advantages that the problem that arc breakdown is easy to occur in live operation due to the fact that the line distance between two leads is too small can be solved, and the line distance of three cables of the three-phase cable cannot be adjusted.
Disclosure of Invention
The invention overcomes the defect that the traditional wire supporting tool can only adjust the wire spacing of two cables, and provides the triangular supporting rod for live working, which can adjust the wire spacing of three cables and prevent safety accidents such as arc breakdown and the like.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a three corner brace poles for live working, include that a plurality of groups are used for strutting the support group of first cable, second cable and third cable, support group is including setting up bracing piece A, bracing piece B and the locating lever between first cable and second cable, bracing piece B one end is supported at the third cable, bracing piece B other end rotatable coupling is on bracing piece A, but locating lever one end is passed through the articulated installation of rotating device on a bracing piece, the locating lever other end passes through fixing device fastening installation on another bracing piece.
The invention is mainly used for increasing the distance between cables of the three cables, and in the process of maintenance, if the distance between the cables is too close, safety accidents such as arc breakdown and the like are easy to happen.
The supporting rod and the positioning rod are made of insulating materials. One supporting rod supports the first cable and the second cable, the other supporting rod supports the third cable, and the two supporting rods are hinged. The positioning rod is fixed between the two supporting rods. One end of the positioning rod is fixed on one supporting rod, and the other end of the positioning rod is hinged to the other supporting rod. The two support rods and the positioning rod form a stable triangular structure. Compared with a comparison file, the stay bar used in the original operation is a single long rod, the distance between the two fixing points is fixed, and only the lower layer of wire (the first cable and the second cable) is fixed, in the operation process, if the influence of external force is met, the upper layer of wire can freely shake, the distance between the wire pair is caused to be insufficient, and great potential safety hazards exist.
Two support rods and a positioning rod form a group of support groups, and generally 2 groups of support groups are needed to support the cable. The staff carries out the operation between two support groups.
Preferably, the positioning rod and the supporting rod are provided with a plurality of positioning holes, and the fixing device and the rotatable device can be fixed on the positioning holes.
The rotatable device is provided with holes matched with the support rod and the positioning rod, and the rotatable device is sleeved on the support rod (or the positioning rod). Then the fastener is used for simultaneously penetrating through the rotatable device and the positioning hole (or the positioning rod) on the supporting rod so as to fix. The fixing mode of the fixing device is the same.
The different lengths of the sides of the triangle formed by the support rods can be changed by adjusting the matching of the rotatable device and different positioning holes, namely, the wire spacing between the cables of the three cables can be adjusted.
Preferably, the support rod A is provided with wire clamping devices near the two end portions, the wire clamping devices are provided with fixing holes used for being installed on the support rod, the wire clamping devices are provided with U-shaped grooves used for expanding cables, the support rod B is provided with wire clamping devices near the one end portions, and the other end of the support rod A is hinged to the support rod B through fasteners.
The supporting rod is supported on the cable through the wire clamping device, the wire clamping device is sleeved at the tail end of the supporting rod, and the U-shaped groove of the wire clamping device is supported on the cable. Because the support bar is always used to hold the cables open, the support bar A is held by the opposing forces of the two cables. One end of the support rod B is hinged with one end of the support rod A, and the other end of the support rod B is also provided with a wire clamping device which is supported on another cable. The wire clamping device is simple in structure and convenient to install and disassemble.
Preferably, the side wall of the U-shaped groove is connected with a deicing device, the deicing device comprises a shell, a contact rod and a pair of ice hammers which are oppositely arranged, the ice hammers are connected with a knocking rod, the middle of the knocking rod is hinged to the shell, the tail ends of the knocking rod are supported by an oval cam, a first reset spring is connected between the tail ends of the two knocking rods, the cam is connected with a gear and can synchronously rotate with the gear, the end part of the contact rod is a contact end used for contacting a cable, a rack meshed with the gear is arranged on the contact rod, and a second reset spring is connected between the other end far away from the contact end and the.
The cable support contact rod customer service second reset spring retreats, the gear rotates along with the rack on the contact rod, the cam rotates along with the gear, the tail end of a knocking rod connected with the first reset spring is spread, and the cam resets under the action of the first reset spring of the knocking rod after rotating. The middle part of the knocking rod is hinged on the shell to form a lever; the ice hammer strikes, the cam continues to rotate, and the ice hammer resets. The cable leaves the U-shaped groove, and the contact rod resets under the action of the first reset spring.
Preferably, the support rod B is provided with a wire clamping device at a position close to one end part, and the other end of the support rod B is detachably and movably connected to the support rod A.
The mounting seat A and the fixing seat B on the rotatable device are used for being fixed on the supporting rod or the positioning rod. When the adjusting and fixing device is fixed in different positioning holes, the angle between the positioning rod and the supporting rod changes. The installation seat A and the fixed seat B can rotate relatively, so that the rotatable device can fix the positioning rod and the supporting rod no matter how the angle between the positioning rod and the supporting rod changes.
Preferably, the rotatable device comprises a mounting seat A fixed on the support rod B and a mounting seat B fixed on the positioning rod, and the mounting seat A and the mounting seat B are rotatably connected. Mount a is rotatable relative to mount B but cannot be removed.
Preferably, the mounting seat a is rotatably connected to the mounting seat B by a rotating shaft, and a stopper chuck for preventing the mounting seat B from coming off the mounting seat a is provided at an end position of the rotating shaft.
Preferably, the fixing device is provided with two mounting holes, and the fixing device is sleeved on the support rod A and the positioning rod through the mounting holes.
The fixing device is used for being fixed between the supporting rod and the positioning rod, and the mounting hole is matched with the diameter of the supporting rod positioning rod. Then, the fastener penetrates through the fixing device and the positioning hole (or the positioning rod) on the supporting rod simultaneously so as to fix. The axes of the two mounting holes can be 45-90 degrees, so that the angle of the triangle of the stay bar is changed, wherein when the included angle between each adjacent rod of the whole triangle of the stay bar is 60 degrees, the stay bar is most stable, and the effect of resisting the influence of wind during operation is the best.
Preferably, the positioning rod comprises an inner rod and an outer tube sleeved outside the inner rod, the inner rod is sleeved with a roller frame, the roller frame is provided with a roller, the roller frame is arranged between the inner rod and the outer tube, and the roller enables the inner rod to smoothly slide relative to the outer tube;
the outer tube is provided with a locator for locating the inner rod, a spring is connected between the locator and the outer tube, the inner rod is provided with a plurality of grooves, the tail end of the locator is provided with a convex block which can be wedged into the groove, the bottom surface of the convex block is an inclined plane, and one side of the convex block close to the outer tube is longer than the other end of the convex block;
the fixing device is arranged at the end position of the outer pipe far away from the positioner, and the rotatable device is arranged at the end position of the inner rod far away from the positioner.
The locating lever is extending structure, and interior pole and outer tube are connected a bracing piece respectively, and the locating lever can be elongated in order to adjust the distance between the bracing piece, and then changes cable line interval. The projection at the end of the locator can be embedded into the groove. When the force for retracting the positioning rod is applied, the convex block can be matched with the groove to prevent the positioning rod from contracting. Because the bottom surface of the lug is an inclined plane, when the lug is stretched outwards, the inclined plane of the lug is gradually lifted up through the edge of the groove and leaves the groove; and the groove is continuously embedded under the action of the spring until the next groove.
When the positioning rod needs to be retracted, the positioner can be broken off, the inner rod is retracted, then the positioner is released, and the positioner returns under the action of the spring. When the fixing device and the rotatable device are found to be arranged too close to each other in high altitude, the inner rod can be pulled up, and the distance between the cables is increased.
A use method of a triangular supporting rod for an electrified vertical rod comprises the following steps:
(a) installing the wire clamping devices at two end parts of the supporting rod A, and installing the wire clamping devices at one end part of the supporting rod B;
(b) mounting the fixing device and the rotatable device on the position of a positioning hole required by the supporting rod through a fastener;
(c) fixing the fixing device on the positioning hole of the positioning rod through a fastener, and fixing the rotatable device on the positioning hole of the positioning rod through the fastener;
(d) the wire clamping device of the support rod A is supported on the first cable, and the wire clamping device at the other end is supported on the second cable;
(e) the wire clamping device of the support rod B is supported on the third cable, and one end far away from the wire clamping device is arranged in a corresponding positioning hole between the support rod A and the support rod B through a fastener;
(f) and pulling up the inner rod on the positioning rod, wherein the inclined plane of the convex block on the positioner passes through a plurality of grooves until the inner rod is pulled out to a required degree, namely, the cable supported by the supporting rod B keeps enough distance from the other two cables, and the convex block is embedded into one groove nearby.
And pulling up the inner rod on the positioning rod, wherein the inclined plane of the convex block on the positioner passes through a plurality of grooves until the inner rod is pulled out to a required degree, namely, the cable supported by the supporting rod B keeps enough distance from the other two cables, and the convex block is embedded into one groove nearby. The steps a, b and c can be completed on the ground. And d, e and f are finished at high altitude. The using length of the supporting rod and the positioning rod is the distance between the two wire clamping devices of the supporting rod A, the wire clamping device of the supporting rod B is the distance between the other end of the wire clamping device and the hinged connecting end of the supporting rod A, and the using length of the positioning rod is the distance between the fixing device and the rotatable device. The significance of step f is that when the service length of the positioning rod is not enough to lift the line distance of the cable, the inner rod can be extended to increase the service length of the positioning rod without readjusting the positions of the rotatable device and the fixing device. The position of the rotatable device and the fixing device is relatively difficult to adjust at high altitude, and the positioning rod can be directly stretched more simply.
Compared with the prior art, the invention has the beneficial effects that: (1) the line spacing among three cables of the three cables can be changed; (2) the locating lever can be stretched, which is convenient for the adjustment of the working personnel.
Drawings
FIG. 1 is a schematic view of the assembly of the present invention in operation;
FIG. 2 is a cross-sectional view of a locating bar in the present invention;
FIG. 3 is a schematic view of a fixture of the present invention;
FIG. 4 is a schematic view of a rotatable device of the present invention;
FIG. 5 is a schematic view of a wire clamping device in the present invention;
fig. 6 is a plan view of the wire clamping device and the deicing device in embodiment 2 of the present invention;
in the figure: 1. the device comprises a first cable, a second cable, a third cable, a support group, a support rod A, a support rod B, a positioning hole A, a positioning hole 8, a positioning hole 9, a fixing hole 10, a rotatable device 11, a fixing device 12, a wire clamping device 13, a U-shaped groove 14, a mounting seat A, a mounting seat B, a limiting chuck head 16, a mounting hole 17, a mounting hole 18, an inner rod 19, an outer tube 20, a roller frame 21, a roller 22, a positioner 23, a spring 24, a groove 25, a lug, 26, a deicing device 27, a housing 28, a contact rod 29, an ice hammer 30, a knocking rod 31, a cam 32, a gear 33, a rack, 34, a first return spring 35 and a second return spring.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1: as shown in fig. 1, a triangular support rod for live working includes a plurality of groups of support groups 4 for supporting first cable 1, second cable 2 and third cable 3, the support groups include support rod a5, support rod B6 and positioning rod 7, the support rod B is supported by the third cable at one end, the other end of the support rod B is rotatably connected to the support rod a, one end of the positioning rod is hinged to one support rod through a rotatable device 10, and the other end of the positioning rod is fastened to the other support rod through a fixing device 11. The positioning rod and the supporting rod are provided with a plurality of positioning holes 8, and the fixing device and the rotatable device can be fixed on the positioning holes. The supporting rod A is close to two end portions and is provided with the wire clamping device, as shown in fig. 5, the wire clamping device is provided with a fixing hole 9 used for being installed on the supporting rod, the wire clamping device is provided with a U-shaped groove 13 used for supporting a cable, the supporting rod B is close to one end portion and is provided with the wire clamping device 12, and the other end of the supporting rod B is detachably and movably connected to the supporting rod A. As shown in fig. 4, the rotatable device includes a mounting seat a14 fixed on the support bar B and a mounting seat B15 fixed on the positioning bar, wherein the mounting seat a and the mounting seat B are rotatably connected. The mounting seat A is rotatably connected with the mounting seat B through a rotating shaft, and a limiting chuck 16 for preventing the mounting seat B from being separated from the mounting seat A is arranged at the end position of the rotating shaft. As shown in fig. 3, the fixing device is provided with two mounting holes 17, the fixing device is sleeved on the support rod a and the positioning rod through the mounting holes, and the included angle between the axes of the two mounting holes is 45 degrees to 90 degrees. As shown in fig. 2, the positioning rod includes an inner rod 18 and an outer tube 19 sleeved outside the inner rod, a roller frame 20 is sleeved on the inner rod, a roller 21 is arranged on the roller frame, the roller frame is arranged between the inner rod and the outer tube, and the roller enables the inner rod to slide smoothly relative to the outer tube; the outer tube is provided with a locator 22 for locating the inner rod, a spring 23 is connected between the locator and the outer tube, the inner rod is provided with a plurality of grooves 24, the tail end of the locator is provided with a convex block 25 which can be inserted into the groove, the bottom surface of the convex block is an inclined plane, and one side of the convex block close to the outer tube is longer than the other side; the fixing device is arranged at the end position of the outer pipe far away from the positioner, and the rotatable device is arranged at the end position of the inner rod far away from the positioner.
The invention is mainly used for increasing the distance between cables of the three cables, and in the process of maintenance, if the distance between the cables is too close, safety accidents such as arc breakdown and the like are easy to happen. One supporting rod supports the first cable and the second cable, the other supporting rod supports the third cable, and the two supporting rods are hinged. The positioning rod is fixed between the two supporting rods. One end of the positioning rod is fixed on one supporting rod, and the other end of the positioning rod is hinged to the other supporting rod. The two support rods and the positioning rod form a stable triangular structure. Compared with a comparison file, the stay bar used in the original operation is a single long rod, the distance between the two fixing points is fixed, and only the lower layer of wire (the first cable and the second cable) is fixed, in the operation process, if the influence of external force is met, the upper layer of wire can freely shake, the distance between the wire pair is caused to be insufficient, and great potential safety hazards exist. Two support rods and a positioning rod form a group of support groups, and generally 2 groups of support groups are needed to support the cable. The staff carries out the operation between two support groups. The rotatable device is provided with holes matched with the support rod and the positioning rod, and the rotatable device is sleeved on the support rod (or the positioning rod). Then the fastener is used for simultaneously penetrating through the rotatable device and the positioning hole (or the positioning rod) on the supporting rod so as to fix. The fixing mode of the fixing device is the same. The supporting rod is supported on the cable through the wire clamping device, the wire clamping device is sleeved at the tail end of the supporting rod, and the U-shaped groove of the wire clamping device is supported on the cable. Because the support bar is always used to hold the cables open, the support bar A is held by the opposing forces of the two cables. One end of the support rod B is hinged with one end of the support rod A, and the other end of the support rod B is also provided with a wire clamping device which is supported on another cable. The wire clamping device is simple in structure and convenient to install and disassemble. The mounting seat A and the fixing seat B on the rotatable device are used for being fixed on the supporting rod or the positioning rod. When the adjusting and fixing device is fixed in different positioning holes, the angle between the positioning rod and the supporting rod changes. The installation seat A and the fixed seat B can rotate relatively, so that the rotatable device can fix the positioning rod and the supporting rod no matter how the angle between the positioning rod and the supporting rod changes. The fixing device is used for being fixed between the supporting rod and the positioning rod, and the mounting hole is matched with the diameter of the supporting rod positioning rod. Then, the fastener penetrates through the fixing device and the positioning hole (or the positioning rod) on the supporting rod simultaneously so as to fix. The axes of the two mounting holes can be 45-90 degrees, so that the angle of the triangle of the stay bar is changed, wherein when the included angle between each adjacent rod of the whole triangle of the stay bar is 60 degrees, the stay bar is most stable, and the effect of resisting the influence of wind during operation is the best. The locating lever is extending structure, and interior pole and outer tube are connected a bracing piece respectively, and the locating lever can be elongated in order to adjust the distance between the bracing piece, and then changes cable line interval. The projection at the end of the locator can be embedded into the groove. When the force for retracting the positioning rod is applied, the convex block can be matched with the groove to prevent the positioning rod from contracting. Because the bottom surface of the lug is an inclined plane, when the lug is stretched outwards, the inclined plane of the lug is gradually lifted up through the edge of the groove and leaves the groove; and the groove is continuously embedded under the action of the spring until the next groove. When the positioning rod needs to be retracted, the positioner can be broken off, the inner rod is retracted, then the positioner is released, and the positioner returns under the action of the spring. When the fixing device and the rotatable device are found to be arranged too close to each other in high altitude, the inner rod can be pulled up, and the distance between the cables is increased.
Example 2:
as shown in fig. 6, a triangular support rod for hot-line work has a structure similar to that of embodiment 1, except that a deicing device is connected to the side wall of a U-shaped groove, the deicing device includes a housing, a contact rod and a pair of ice hammers arranged oppositely, the ice hammers are connected with a knocking rod, the middle of the knocking rod is hinged to the housing, the ends of the knocking rod are supported by an elliptical cam, a first return spring is connected between the ends of the two knocking rods, the cam is connected with a gear and can rotate synchronously with the gear, the end of the contact rod is a contact end for contacting a cable, a rack meshed with the gear is arranged on the contact rod, and a second return spring is connected between the other end far away from the contact end and the housing. Because of the fragility of the ice, the ice at the location where the cable is connected to the wire trap will also fall when the ice is knocked down.
The deicing device is used for removing floating ice on the cable and is used for construction in the south extreme climate. The supporting rod can be opened and the ice block can be knocked out directly. The cable support contact rod customer service second reset spring retreats, the gear rotates along with the rack on the contact rod, the cam rotates along with the gear, the tail end of a knocking rod connected with the first reset spring is spread, and the cam resets under the action of the first reset spring of the knocking rod after rotating. The middle part of the knocking rod is hinged on the shell to form a lever; the ice hammer strikes, the cam continues to rotate, and the ice hammer resets. The cable leaves the U-shaped groove, and the contact rod resets under the action of the first reset spring.
The specific operation steps comprise:
(a) installing the wire clamping devices at two end parts of the supporting rod A, and installing the wire clamping devices at one end part of the supporting rod B;
(b) mounting the fixing device and the rotatable device on the position of a positioning hole required by the supporting rod through a fastener;
(c) fixing the fixing device on the positioning hole of the positioning rod through a fastener, and fixing the rotatable device on the positioning hole of the positioning rod through the fastener;
(d) the wire clamping device of the support rod A is supported on the first cable, and the wire clamping device at the other end is supported on the second cable;
(e) the wire clamping device of the support rod B is supported on the third cable, and one end far away from the wire clamping device is arranged in a corresponding positioning hole between the support rod A and the support rod B through a fastener;
(f) and pulling up the inner rod on the positioning rod, wherein the inclined plane of the convex block on the positioner passes through a plurality of grooves until the inner rod is pulled out to a required degree, namely, the cable supported by the supporting rod B keeps enough distance from the other two cables, and the convex block is embedded into one groove nearby. And pulling up the inner rod on the positioning rod, wherein the inclined plane of the convex block on the positioner passes through a plurality of grooves until the inner rod is pulled out to a required degree, namely, the cable supported by the supporting rod B keeps enough distance from the other two cables, and the convex block is embedded into one groove nearby. The steps a, b and c can be completed on the ground. And d, e and f are finished at high altitude. The using length of the supporting rod and the positioning rod is the distance between the two wire clamping devices of the supporting rod A, the wire clamping device of the supporting rod B is the distance between the other end of the wire clamping device and the hinged connecting end of the supporting rod A, and the using length of the positioning rod is the distance between the fixing device and the rotatable device. The significance of step f is that when the service length of the positioning rod is not enough to lift the line distance of the cable, the inner rod can be extended to increase the service length of the positioning rod without readjusting the positions of the rotatable device and the fixing device. The position of the rotatable device and the fixing device is relatively difficult to adjust at high altitude, and the positioning rod can be directly stretched more simply.
The embodiments described above are merely two preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A triangular support rod for live working is characterized by comprising a plurality of groups of support groups for expanding a first cable, a second cable and a third cable, wherein each support group comprises a support rod A, a support rod B and a positioning rod which are arranged between the first cable and the second cable, one end of the support rod B is supported on the third cable, the other end of the support rod B is rotatably connected on the support rod A, one end of the positioning rod is hinged on the support rod A or the support rod B through a rotatable device, the other end of the positioning rod is fixedly arranged on the other support rod through a fixing device, wire clamping devices are respectively arranged at positions, close to two end parts, of the support rod A, fixing holes for being arranged on the support rods are formed in the wire clamping devices, U-shaped grooves for expanding the cables are formed in the wire clamping devices, each rotatable device comprises a mounting seat A for being, mount pad A and mount pad B rotatable coupling, mount pad A keep rotating with mount pad B through the pivot to be connected, are equipped with the spacing dop that is used for preventing mount pad B to deviate from mount pad A at the tip position of pivot.
2. The triangular support pole for hot-line work of claim 1, wherein the positioning rods and the support pole are provided with positioning holes, and the fixing device and the rotatable device are fixed on the positioning holes.
3. The triangular supporting rod for hot-line work according to claim 1, wherein a deicing device is connected to the side wall of the U-shaped groove, the deicing device comprises a housing, a contact rod and a pair of ice hammers which are arranged oppositely, the ice hammers are connected with a knocking rod, the middle part of the knocking rod is hinged to the housing, the tail ends of the knocking rod are supported by an oval cam, a first return spring is connected between the tail ends of the two knocking rods, the cam is connected with a gear and rotates synchronously with the gear, the end part of the contact rod is a contact end for contacting a cable, a rack meshed with the gear is arranged on the contact rod, and a second return spring is connected between the other end, far away from the contact end, of.
4. The triangular supporting rod for hot-line work of claim 1, wherein the wire clamping device is mounted on the supporting rod B near one end, and the other end is detachably and movably connected to the supporting rod A.
5. The triangular support pole for hot-line work of claim 1, wherein the fixing device has two mounting holes, and the fixing device is sleeved on the support pole A and the positioning pole through the mounting holes.
6. The triangular support rod for hot-line work according to any one of claims 1 to 5, wherein the positioning rod comprises an inner rod and an outer tube sleeved outside the inner rod, a roller frame is sleeved on the inner rod, rollers are arranged on the roller frame, the roller frame is arranged between the inner rod and the outer tube, and the rollers enable the inner rod to slide smoothly relative to the outer tube;
the outer tube is provided with a locator for locating the inner rod, a spring is connected between the locator and the outer tube, the inner rod is provided with a plurality of grooves, the tail end of the locator is provided with a convex block which can be wedged into the groove, the bottom surface of the convex block is an inclined plane, and one side of the convex block close to the outer tube is longer than the other end of the convex block;
the fixing device is arranged at the end position of the outer pipe far away from the positioner, and the rotatable device is arranged at the end position of the inner rod far away from the positioner.
7. Use of a triangular brace for a live pole according to claim 1, 2 or 4, characterised in that it comprises the following steps:
(a) installing the wire clamping devices at two end parts of the supporting rod A, and installing the wire clamping devices at one end part of the supporting rod B;
(b) mounting the fixing device and the rotatable device on the position of a positioning hole required by the supporting rod through a fastener;
(c) fixing the fixing device on the positioning hole of the positioning rod through a fastener, and fixing the rotatable device on the positioning hole of the positioning rod through the fastener;
(d) the wire clamping device of the support rod A is supported on the first cable, and the wire clamping device at the other end is supported on the second cable;
(e) the wire clamping device of the support rod B is supported on the third cable, and one end far away from the wire clamping device is arranged in a corresponding positioning hole between the support rod A and the support rod B through a fastener;
(f) and pulling up the inner rod on the positioning rod, wherein the inclined plane of the convex block on the positioner passes through a plurality of grooves until the inner rod is pulled out to a required degree, namely, the cable supported by the supporting rod B keeps enough distance from the other two cables, and the convex block is embedded into one groove nearby.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811096403.5A CN109462180B (en) | 2018-09-19 | 2018-09-19 | Triangular supporting rod for live working and using method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811096403.5A CN109462180B (en) | 2018-09-19 | 2018-09-19 | Triangular supporting rod for live working and using method |
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| CN109462180A CN109462180A (en) | 2019-03-12 |
| CN109462180B true CN109462180B (en) | 2020-03-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110912061B (en) * | 2019-12-30 | 2024-09-06 | 广州电力工程监理有限公司 | Portable cable support fixer |
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| CN101588028B (en) * | 2009-06-18 | 2011-04-20 | 东阳市供电局 | Conducting wire supporter for electrified pole operation |
| KR20130026849A (en) * | 2011-09-06 | 2013-03-14 | 한국전력공사 | Cable support apparatus and method for separating power cable using the same |
| CN206313360U (en) * | 2016-11-18 | 2017-07-07 | 国网江西省电力公司赣东北供电分公司 | A kind of live line work insulating covers strut device |
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