CN112874649B - Insulating operation arm for live working of power distribution network - Google Patents
Insulating operation arm for live working of power distribution network Download PDFInfo
- Publication number
- CN112874649B CN112874649B CN202110080069.XA CN202110080069A CN112874649B CN 112874649 B CN112874649 B CN 112874649B CN 202110080069 A CN202110080069 A CN 202110080069A CN 112874649 B CN112874649 B CN 112874649B
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- Prior art keywords
- insulating rod
- insulating
- operating arm
- rod
- bearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
- B62D57/02—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
- B62D57/024—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members specially adapted for moving on inclined or vertical surfaces
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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
Abstract
The invention discloses an insulating operating arm for live working of a power distribution network, which belongs to the field of power distribution networks and comprises an operating arm mounting frame, a support frame, an electric push rod, an insulating rod sleeve, an insulating rod, a synchronous wheel, a synchronous belt and an electric rotating table; the operating arm mounting frame is fixed on a bearing platform of the pole-climbing robot and used for bearing the insulating operating arm; the support frame is arranged on the operating arm mounting frame through a fisheye rod end joint bearing and is used for supporting the operating arm; the insulating rod sleeve is arranged on the support frame through a crossed roller bearing and is used for bearing the insulating rod, and the lifting of the insulating rod is driven by a synchronous belt; the electric rotating platform is arranged at the tail end of the insulating rod and is used for being connected with a live working tool. According to the invention, the operation arm is transported to the operation station by the pole-climbing robot, and the movement with six degrees of freedom can be realized by adopting a ground potential state, so that the insulation protection performance is good, the operation range is wide, the load is large, and the problems of complicated manual live working procedures, high danger coefficient and the like can be safely and effectively solved.
Description
Technical Field
The invention relates to the technical field of power distribution networks, in particular to an insulating operation arm for live working of a power distribution network.
Background
Live working refers to a working method for overhauling and testing high-voltage electrical equipment without power cut. Electrical equipment requires frequent testing, inspection and maintenance over long periods of operation. Live working is an effective measure for avoiding maintenance power failure and ensuring normal power supply. The contents of live line work can be divided into live line test, live line inspection, and live line maintenance. Objects of live working include power plant and substation electrical equipment, overhead transmission lines, distribution lines, and power distribution equipment. The main items of live-wire work are: the method comprises the steps of replacing insulators of the line tower in an electrified mode, cleaning and replacing the insulators, washing the insulators with water, repairing wires and overhead ground wires in a compression joint mode, detecting bad insulators, testing and replacing isolating switches and lightning arresters, and testing temperature rise and dielectric loss values of transformers.
From the current state of the live working technology research, there are two trends: firstly, with the continuous operation of extra-high voltage alternating current and direct current transmission projects, live working must become an important operation and maintenance means, and live working tools, methods, standards and the like need further deep research. Secondly, with the continuous improvement of the requirement on the power supply reliability, the live working of the distribution network needs to be further and deeply developed. The non-power-off operation project and application need to be expanded in urban networks, and the popularization and application strength of live-line operation needs to be increased in rural networks. Therefore, in order to ensure the operation safety, an insulated operating arm for live working of a power distribution network is urgently needed.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an insulating operation arm for live working of a power distribution network.
The technical scheme adopted by the invention is as follows:
the utility model provides a distribution network live working is with insulating operation arm which characterized in that: the fisheye rod comprises an insulating rod, an insulating rod sleeve, a supporting frame and an operating arm mounting frame, wherein the insulating rod sleeve is sleeved on the insulating rod in a sliding mode, one side of the insulating rod sleeve is connected with the supporting frame through a crossed roller bearing, the supporting frame is connected with the operating arm mounting frame through a fisheye rod end joint bearing, and a first electric push rod is connected between the supporting frame and the operating arm mounting frame along the horizontal direction; a mounting seat is fixed on one side of the insulating rod sleeve, and a second electric push rod is connected between the mounting seat and the support frame along the vertical direction;
the synchronous wheels are respectively connected to the same sides of two ends of the insulating rod, one synchronous wheel is connected with the transmission mechanism, synchronous belts are connected to the two synchronous wheels in a transmission mode, the synchronous belts on one side penetrate through the insulating rod sleeve, and the middle of the synchronous belts on the other side is disconnected and respectively connected to the upper end and the lower end of the insulating rod sleeve;
the top of the insulating rod is also connected with an electric rotating platform.
Further, distribution network live working with insulating operation arm, its characterized in that: the operating arm mounting frame is used for being fixed on a bearing platform of the pole-climbing robot.
Further, distribution network live working with insulating operation arm, its characterized in that: the shape of the insulating rod sleeve is a cuboid with a square cross section, and the first electric push rod and the second electric push rod are respectively arranged on two adjacent side faces of the insulating rod sleeve.
Further, distribution network live working with insulating operation arm, its characterized in that: the first electric push rod and the second electric push rod respectively drive the insulating rod to swing within a range of +/-30 degrees, and the plane where the first electric push rod drives the insulating rod to swing is perpendicular to the plane where the second electric push rod drives the insulating rod to swing.
Further, distribution network live working with insulating operation arm, its characterized in that: the transmission mechanism comprises a lower end support, a lifting motor and a bearing support, the lower end support is installed at the lower end of the insulating rod, the lifting motor and the bearing support are connected with the lower end support, the lower end of the synchronous wheel is installed on one side of the lower end support through the bearing support, and an output shaft of the lifting motor is in transmission connection with the lower end of the synchronous wheel.
Further, distribution network live working with insulating operation arm, its characterized in that: the synchronous belt and the joint of the upper end of the insulating rod sleeve are further connected with a buffer spring.
Further, distribution network live working with insulating operation arm, its characterized in that: the insulating rod upper end is installed the installing support, and the upper end synchronizing wheel and electronic revolving stage are installed on the installing support.
Further, distribution network live working with insulating operation arm, its characterized in that: electric rotating platform includes motor, worm gear case, revolving stage, motor, worm gear case pass through the installing support installs one side of insulator spindle, the revolving stage is installed the top of insulator spindle, motor, worm gear case, revolving stage are transmission connection in proper order.
The invention has the advantages that:
according to the invention, the operation arm is transported to the operation station through the pole-climbing robot, and the ground potential state is adopted, so that the six-degree-of-freedom motion can be realized, the insulation protection performance is good, the operation range is wide, the load is large, and the problems of complicated manual live working procedures, high danger coefficient and the like can be safely and effectively solved.
Drawings
FIG. 1 is a general schematic of the present invention;
FIG. 2 is a schematic view of the insulating sleeve of the present invention in connection with a crossed roller bearing;
FIG. 3 is a schematic view of an electric rotary table according to the present invention;
figure 4 is a schematic diagram of the timing belt drive of the present invention.
Reference numbers in the figures: the device comprises an electric rotating platform 1, a synchronizing wheel 2, an operating arm mounting frame 3, a first electric push rod 4, an insulating rod 5, a synchronizing belt 6, a second electric push rod 7, a supporting frame 8, an insulating rod sleeve 9, a fisheye rod end joint bearing 10, a crossed roller bearing 11, a motor 12, a worm gear box 13, a rotating platform 14, a mounting bracket 15, a lower end bracket 16, a lifting motor 17, a bearing support 18 and a mounting seat 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
an insulated operating arm for live working of a power distribution network comprises an insulating rod 5, an insulating rod sleeve 9, a support frame 8 and an operating arm mounting frame 3, wherein the insulating rod sleeve 9 is sleeved on the insulating rod 5 in a sliding mode, one side of the insulating rod sleeve 9 is connected with the support frame 8 through a crossed roller bearing 11, the support frame 8 is connected with the operating arm mounting frame 3 through a fisheye rod end joint bearing 10, and a first electric push rod 4 is connected between the support frame 8 and the operating arm mounting frame 3 along the horizontal direction; a mounting seat 19 is fixed on one side of the insulating rod sleeve 9, and a second electric push rod 7 is connected between the mounting seat 19 and the support frame 8 along the vertical direction; the support frame 8 supports the operation arm system, and rotates the insulating rod through the first electric push rod 4 and the second electric push rod 7.
Two synchronous wheels 2 are respectively connected to the same sides of two ends of the insulating rod 5, one synchronous wheel 2 is connected with a transmission mechanism, synchronous belts 6 are in transmission connection with the two synchronous wheels 2, the synchronous belt 6 on one side penetrates through an insulating rod sleeve 9, and the middle part of the synchronous belt 6 on the other side is disconnected and respectively connected to the upper end and the lower end of the insulating rod sleeve 9;
the top of the insulating rod 5 is also connected with an electric rotating platform 1 for connecting a live working tool.
The operating arm mounting frame 3 is used for being fixed on a bearing platform of the pole-climbing robot. The whole insulating operation arm of the invention is loaded.
The shape of the insulating rod sleeve 9 is a cuboid with a square cross section, and the first electric push rod 4 and the second electric push rod 7 are respectively arranged on two adjacent side surfaces of the insulating rod sleeve 9.
The first electric push rod 4 and the second electric push rod 7 respectively drive the insulating rod 5 to swing within a range of +/-30 degrees, and the plane where the first electric push rod 4 drives the insulating rod 5 to swing is perpendicular to the plane where the second electric push rod 7 drives the insulating rod 5 to swing.
The transmission mechanism comprises a lower end support 16, a lifting motor 17 and a bearing support 18, the lower end support 16 is installed at the lower end of the insulating rod 5, the lifting motor 17 and the bearing support 18 are connected with the lower end support 16, the lower end synchronizing wheel 2 is installed on one side of the lower end support 16 through the bearing support 18, and an output shaft of the lifting motor 17 is in transmission connection with the lower end synchronizing wheel 2.
The joint of the synchronous belt 6 and the upper end of the insulating rod sleeve 9 is also connected with a buffer spring.
The mounting bracket 15 is installed to the insulator spindle 5 upper end, and upper end synchronizing wheel 2 and electric rotary table 1 install on mounting bracket 15.
The electric rotating platform 1 comprises a motor 17, a worm and gear box 13 and a rotating platform 14, the motor 17 and the worm and gear box 13 are installed on one side of the insulating rod 5 through an installation support 15, the rotating platform 14 is installed at the top of the insulating rod 5, and the motor 17, the worm and gear box 13 and the rotating platform 14 are sequentially in transmission connection.
The working principle of the invention is as follows:
1. swing in the positive direction
When the telescopic electric manipulator works, the front and back +/-30-degree swinging of the operation arm is realized through the extension and retraction of the first electric push rod 4;
2. swing sideways
The supporting frame 8 is connected with the insulating rod sleeve 9 through a crossed roller bearing 11, the insulating rod can rotate around the center of the crossed roller bearing 11, the power of the action of the insulating rod is provided by the second electric push rod 7, and the left-right +/-30-degree swinging is realized through the extension and retraction of the second electric push rod 7;
3. lifting of insulating rod
The lifting of the insulating rod 5 is realized by controlling a synchronous belt 6 and a synchronous wheel 2 by a lifting motor 17, one side of the synchronous belt 6 is disconnected to form two tail ends, the two tail ends of the synchronous belt 6 are fixed on an insulating rod sleeve 9, and one end connected with the upper end of the insulating rod sleeve 9 is also connected with a buffer spring to adapt to tension; the rotary power source is a lifting motor 17, the lifting motor 17 is arranged on a lower end bracket 16 of the insulating rod 5, the synchronizing wheel 2 is fixed on a bearing support 18, and the lifting of the insulating rod 5 in the insulating rod sleeve 9 is realized through the forward and reverse rotation of the lifting motor 17;
4. rotation of a work tool
The electric rotating platform 1 comprises a motor 12, a worm gear box 13 and a rotating platform 14, and is arranged at the upper end of the insulating rod 5 through an installation frame 15; during action, the electric tool is driven by the motor 12 and is driven by the worm gear box 13 to drive the rotating platform 14 to rotate, so that the electric tool completes forward and backward rotation to adjust the pose for operation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The utility model provides a distribution network live working is with insulating operation arm which characterized in that: the device comprises an insulating rod (5), an insulating rod sleeve (9), a support frame (8) and an operating arm mounting frame (3), wherein the insulating rod sleeve (9) is sleeved on the insulating rod (5) in a sliding mode, one side of the insulating rod sleeve (9) is connected with the support frame (8) through a crossed roller bearing (11), the support frame (8) is connected with the operating arm mounting frame (3) through a fisheye rod end joint bearing (10), and a first electric push rod (4) is connected between the support frame (8) and the operating arm mounting frame (3) along the horizontal direction; a mounting seat is fixed on one side of the insulating rod sleeve (9), and a second electric push rod (7) is connected between the mounting seat and the support frame (8) along the vertical direction;
the synchronous wheels (2) are respectively connected to the same sides of two ends of the insulating rod (5), one of the synchronous wheels (2) is connected with a transmission mechanism, synchronous belts (6) are connected to the two synchronous wheels (2) in a transmission mode, the synchronous belts (6) on one side penetrate through the insulating rod sleeve (9), and the middle of the synchronous belts (6) on the other side is disconnected and respectively connected to the upper end and the lower end of the insulating rod sleeve (9);
the top of the insulating rod (5) is also connected with an electric rotating table (1);
the transmission mechanism comprises a lower end support (16), a lifting motor and a bearing support (18), the lower end support (16) is installed at the lower end of the insulating rod (5), the lifting motor and the bearing support (18) are connected with the lower end support (16), the synchronizing wheel (2) at the lower end is installed on one side of the lower end support (16) through the bearing support (18), and an output shaft of the lifting motor is in transmission connection with the synchronizing wheel (2) at the lower end;
a buffer spring is further connected to the joint of the synchronous belt (6) and the upper end of the insulating rod sleeve (9);
the upper end of the insulating rod (5) is provided with an installation bracket (15), and the upper end of the insulating rod (5) is provided with the synchronizing wheel (2) and the electric rotating platform (1) which are arranged on the installation bracket (15);
electric rotary table (1) includes motor, worm gear case (13), revolving stage (14), motor, worm gear case (13) are passed through installing support (15) are installed one side of insulator spindle (5), revolving stage (14) are installed the top of insulator spindle (5), motor, worm gear case (13), revolving stage (14) are the transmission connection in proper order.
2. The insulated operating arm for live working of the power distribution network according to claim 1, wherein: the operating arm mounting rack (3) is used for being fixed on a bearing platform of the pole-climbing robot.
3. The insulated operating arm for live working of the power distribution network according to claim 1, wherein: the shape of insulating bar sleeve (9) is the cuboid that the cross section is square, first electric putter (4), second electric putter (7) are installed respectively at two adjacent sides of insulating bar sleeve (9).
4. The insulated operating arm for live working of the power distribution network according to claim 3, wherein: the swing range of the insulating rod (5) is +/-30 degrees under the driving of the first electric push rod (4) and the second electric push rod (7), and the plane where the insulating rod (5) swings is driven by the first electric push rod (4) to be perpendicular to the plane where the insulating rod (5) swings is driven by the second electric push rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110080069.XA CN112874649B (en) | 2021-01-21 | 2021-01-21 | Insulating operation arm for live working of power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110080069.XA CN112874649B (en) | 2021-01-21 | 2021-01-21 | Insulating operation arm for live working of power distribution network |
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| Publication Number | Publication Date |
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| CN112874649A CN112874649A (en) | 2021-06-01 |
| CN112874649B true CN112874649B (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110080069.XA Active CN112874649B (en) | 2021-01-21 | 2021-01-21 | Insulating operation arm for live working of power distribution network |
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| CN102927415A (en) * | 2012-11-14 | 2013-02-13 | 黄志明 | Display support achieving automatic screen swinging |
| CN203813274U (en) * | 2014-04-10 | 2014-09-03 | 国家电网公司 | Outdoor disconnector electrified maintenance multifunctional tool |
| CN205769728U (en) * | 2016-05-16 | 2016-12-07 | 浙江机电职业技术学院 | Wall-mounted belt lifting bicycle parking rack |
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| CN211439980U (en) * | 2019-12-24 | 2020-09-08 | 无锡艾度科技有限公司 | Truss lifting arm for material sheets |
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| CN112874649A (en) | 2021-06-01 |
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