Device for live-line measurement of opening range of outdoor open-type 110kV disconnecting switch

Abstract

The utility model discloses a device for live-line measurement of the opening range of an outdoor open-type 110kV disconnecting switch, which belongs to the technical field of power maintenance and comprises a first fixing box and a second fixing box, a tape measure is placed in the first fixing box, mounting holes are formed in the surfaces of the first fixing box and the second fixing box, and the mounting holes are communicated with the tape measure. Insulating telescopic rods are mounted in the mounting holes of the first fixing box and the second fixing box, threaded holes are formed in the tops of the insulating telescopic rods, magnetic attraction blocks are in threaded connection with the interiors of the threaded holes in the tops of the insulating telescopic rods, and a protective door is rotationally connected into the first fixing box; a positioning sleeve and a limiting column are installed on the outer wall of one side of the second fixing box from bottom to top. The device for live-line measurement of the opening range of the outdoor open-type 110kV disconnecting switch not only facilitates measurement of the distance between two disconnecting switches and is safer to use, but also is convenient to store and more convenient to carry.

Description

Technical Field

[0001] The utility model belongs to the technical field of power maintenance, and in particular relates to a live measuring distance device for an outdoor open-type 110kV disconnector. Background Art

[0002] With the increasing number of power grid equipment, especially the increase in outdoor open-type 110kV disconnectors, the conductive parts of these disconnectors are heating up over time. When the disconnector blade heats up and the conductive part is replaced, it is necessary to measure the disconnector opening distance, that is, the center distance between the two insulating pillars of the single-phase disconnector.

[0003] Since the disconnector is a live device and is located at a high position, operators cannot perform direct measurements and lack special tools for measurement, which affects the efficiency of power maintenance. Utility Model Content

[0004] The purpose of the utility model is to provide a device for measuring the distance of an outdoor open-type 110kV disconnector under power, so as to solve the problem proposed in the above background technology that the disconnector is a live device, the disconnector is located at a high position, the operator cannot perform direct measurement, and there is a lack of special tools for measurement, thus affecting the efficiency of power maintenance.

[0005] To achieve the above objectives, the present invention provides the following technical solutions: a device for measuring the distance of an outdoor open-type 110kV disconnector under power, comprising a fixing box 1 and a fixing box 2, wherein a measuring tape is placed in the fixing box 1, mounting holes are provided on the surfaces of the fixing box 1 and the fixing box 2, insulating telescopic rods are installed in the mounting holes of the fixing box 1 and the fixing box 2, a threaded hole is provided on the top of the insulating telescopic rod, and a magnetic block is threadedly connected to the threaded hole at the top of the insulating telescopic rod;

[0006] A protective door is rotatably connected in the fixing box 1, and a positioning sleeve and a limiting column are respectively installed on an outer wall of one side of the fixing box 2 from bottom to top.

[0007] In a further embodiment, a threaded hole is also provided on one side outer wall of the fixing box 1, a fixing screw is threadedly connected to the threaded hole of the fixing box 1, and a fixing plate for fixing the position of the tape measure is fixed to one end of the fixing screw.

[0008] In a further embodiment, a threaded hole is also provided on one side outer wall of the positioning sleeve, and a positioning bolt for fixing the hook of the tape measure is threadedly connected to the threaded hole of the positioning sleeve.

[0009] In a further embodiment, a positioning box is fixed on one side outer wall of the fixing box, a connecting block fixed to the protective door is movably connected on one side outer wall of the positioning box, and a positioning block extending into the positioning box is fixed on one side outer wall of the connecting block.

[0010] In a further embodiment, a through hole is provided on the surface of the positioning box, and a positioning pin is movably connected in the through hole on the surface of the positioning box, and a positioning hole matching the positioning pin is provided on the surface of the positioning block.

[0011] In a further embodiment, a limiting ring is fixed to the outer wall of the positioning pin, and a fixing spring for supporting the limiting ring is sleeved on the outside of the positioning pin.

[0012] In a further embodiment, a plurality of sliding grooves are provided in the limiting column, a support spring is placed in the sliding groove of the limiting column, and a limiting pin movably connected to the limiting column is provided on one side of the support spring.

[0013] In a further embodiment, the surfaces of the fixing box 1 and the fixing box 2 are provided with a mounting groove 1 and a mounting groove 2, and the mounting groove 1 and the mounting groove 2 on the surfaces of the fixing box 1 and the fixing box 2 are respectively installed with a magnetic ring and a bubble level.

[0014] The technical effects and advantages of this utility model are:

[0015] This device for measuring the opening distance of an outdoor open-type 110kV disconnector under power is designed to pull out two insulating telescopic rods, allowing two magnetic blocks to attach to the cast iron parts at the bottom of the two insulating pillars of the disconnector's single phase. The distance between the first and second fixing boxes is adjusted, and the tape measure is pulled outward at the same time. At this time, the operator can use the tape measure to measure the distance between the first and second fixing boxes, that is, the opening distance of the disconnector, which facilitates subsequent power maintenance and improves power maintenance efficiency.

[0016] By setting the insulating telescopic rod, after the measurement is completed, the magnetic block and the magnetic ring can be attracted to each other, and the position of the magnetic block can be fixed, which is convenient for storage and reduces space occupation. At the same time, the limit column is inserted into the protective door, and the support spring supports the limit pin so that the limit pin fits on the inner wall of the protective door, which can ensure a stable connection between the fixed box one and the fixed box two, avoiding separation of the fixed box one and the fixed box two during carrying, and making it more convenient to carry. The device for measuring the distance between the outdoor open-type 110kV disconnectors under power is not only convenient for measuring the distance between the two disconnectors, but also safer to use, and easy to store and more convenient to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 It is a cross-sectional view of a fixing box 1 of the present utility model;

[0020] Figure 3 This is a schematic structural diagram of the fixing screw and fixing plate of the present invention;

[0021] Figure 4 It is a cross-sectional view of the positioning box and the connecting block of the utility model;

[0022] Figure 5 This is a schematic structural diagram of the positioning sleeve of the present utility model;

[0023] Figure 6 It is a cross-sectional view of the limiting column of the utility model.

[0024] In the figure: 1. Fixing box 1; 2. Fixing box 2; 3. Tape measure; 4. Fixing screw; 5. Fixing plate; 6. Insulated telescopic rod; 7. Magnetic block; 8. Magnetic ring; 9. Bubble level; 10. Protective door; 11. Positioning box; 12. Connecting block; 13. Positioning block; 14. Positioning pin; 14. Limiting ring; 16. Fixing spring; 17. Positioning sleeve; 18. Positioning bolt; 19. Limiting column; 20. Support spring; 21. Limiting pin; 22. Support leg. DETAILED DESCRIPTION

[0025] In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features known in the art are not described to avoid confusion with the present invention.

[0026] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside shown in the figures of the present invention, and are explained here together.

[0027] See also Figure 1-6The utility model provides a device for measuring the distance of an outdoor open-type 110kV disconnector under power, comprising a fixing box 1 and a fixing box 2. A measuring tape 3 is placed in the fixing box 1. A threaded hole is provided on one side of the outer wall of the fixing box 1. A fixing screw 4 is threadedly connected to the threaded hole of the fixing box 1. A fixing plate 5 for fixing the position of the measuring tape 3 is fixed at one end of the fixing screw 4. The fixing screw 4 is rotated to drive the fixing plate 5 to move, so that the fixing plate 5 is attached to the outer wall of the measuring tape 3, thereby fixing the position of the measuring tape 3.

[0028] The surfaces of the fixing box 1 and the fixing box 2 are provided with mounting holes, and the mounting holes of the fixing box 1 and the fixing box 2 are both installed with insulating telescopic rods 6 by bolts. The tops of the insulating telescopic rods 6 are provided with threaded holes, and the threaded holes at the tops of the insulating telescopic rods 6 are threadedly connected with magnetic blocks 7. The surfaces of the fixing box 1 and the fixing box 2 are provided with mounting grooves 1 and 2, and the mounting grooves 1 and 2 on the surfaces of the fixing box 1 and the fixing box 2 are respectively installed with magnetic rings 8 and bubble levels 9. After the measurement is completed, the magnetic block 7 and the magnetic ring 8 are adsorbed on each other to fix the position of the magnetic block 7, which is convenient for storage and reduces space occupancy. The four corners of the bottom of the fixing box 1 and the fixing box 2 are provided with threaded holes, and the threaded holes at the bottom of the fixing box 1 and the fixing box 2 are threadedly connected with supporting legs 22, which are convenient for adjusting the height of the four corners of the fixing box 1 and the fixing box 2. With the bubble level 9, the horizontal state of the fixing box 1 and the fixing box 2 can be detected to ensure the accuracy of measurement;

[0029] A protective door 10 is connected to the fixed box 1 by a hinge, and a movable groove is provided on the protective door 10 for the ruler and hook of the tape measure 3 to move. A positioning box 11 is fixed to the outer wall of one side of the fixed box 1 by a bolt. A connecting block 12 fixed to the protective door 10 is movably connected to the outer wall of one side of the positioning box 11, and a positioning block 13 extending into the positioning box 11 is fixed to the outer wall of one side of the connecting block 12. A through groove for the positioning block 13 to move is provided on the positioning box 11, and a surface of the positioning box 11 is provided with a through groove for the positioning block 13 to move. There is a through hole, and a positioning pin 14 is movably connected in the through hole on the surface of the positioning box 11. A positioning hole matching the positioning pin 14 is opened on the surface of the positioning block 13. A limiting ring 15 is fixed to the outer wall of the positioning pin 14. A fixing spring 16 for supporting the limiting ring 15 is sleeved on the outside of the positioning pin 14. The fixing spring 16 supports the limiting ring 15, so that the positioning pin 14 is inserted into the positioning hole of the positioning block 13, which can fix the position of the protective door 10, thereby effectively protecting the tape measure 3;

[0030] A positioning sleeve 17 and a limiting column 19 are installed on the outer wall of one side of the fixing box 2 from bottom to top through bolts. A threaded hole is also provided on the outer wall of the positioning sleeve 17, and a positioning bolt 18 for fixing the hook of the tape measure 3 is threadedly connected in the threaded hole of the positioning sleeve 17. Tighten the positioning bolt 18 so that it fits on the hook of the tape measure 3, so that one end of the tape measure 3 can be fixed. A limiting hole matching the limiting column 19 is provided on the protective door 10, and a plurality of sliding grooves are provided in the limiting column 19. A support spring 20 is placed in the sliding groove of the limiting column 19, and a limiting pin 21 movably connected to the limiting column 19 is provided on one side of the support spring 20. Pull out the two insulating telescopic rods 6 so that the two magnetic blocks 7 are adsorbed on the cast iron part at the bottom of the two insulating pillars of the single-phase isolating switch, adjust the distance between the fixing box 1 and the fixing box 2 2, and pull the tape measure 3 outward at the same time. At this time, the operator can use the tape measure 3 to measure the distance between the fixing box 1 and the fixing box 2 2, that is, the opening distance of the isolating switch. The limit column 19 is inserted into the protective door 10, and the support spring 20 supports the limit pin 21 so that the limit pin 21 fits on the inner wall of the protective door 10, which can ensure a stable connection between the fixing box 1 and the fixing box 2 2, avoid separation of the fixing box 1 and the fixing box 2 2 during carrying, and make it more convenient to carry.

[0031] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here. The control method of the present invention is controlled by a controller, and the control circuit of the controller can be implemented by simple programming by technicians in this field. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.

[0032] In the description of the present invention, it should be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0033] Working principle:

[0034] When using the device for measuring the opening distance of an outdoor open-type 110kV disconnector under power, one end of the measuring tape 3 is pulled out, and the hook is inserted into the positioning sleeve 17. The positioning bolt 18 is tightened to make it fit on the hook of the measuring tape 3. One end of the measuring tape 3 is fixed. The two insulating telescopic rods 6 are pulled out, and the two magnetic blocks 7 are adsorbed on the cast iron parts at the bottom of the two insulating pillars of the single-phase disconnector. The distance between the fixing box 1 and the fixing box 2 2 is adjusted, and the ruler of the measuring tape 3 is pulled outward at the same time. At this time, the operator can use the measuring tape 3 to measure the distance between the fixing box 1 and the fixing box 2 2, that is, the opening distance of the disconnector, which is convenient for subsequent power maintenance and improves the efficiency of power maintenance.

[0035] After the measurement is completed, the insulating telescopic rod 6 is stored, so that the magnetic block 7 and the magnetic ring 8 can be adsorbed on each other, and the position of the magnetic block 7 is fixed, which is convenient for storage and reduces space occupancy. At the same time, the limit column 19 is inserted into the protective door 10, and the support spring 20 supports the limit pin 21 so that the limit pin 21 fits on the inner wall of the protective door 10, so that the fixed box 1 and the fixed box 2 2 are stably connected, avoiding the separation of the fixed box 1 and the fixed box 2 2 during carrying, and making it more convenient to carry.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for measuring the distance of an outdoor open-type 110kV disconnector under power, comprising a fixing box 1 (1) and a fixing box 2 (2), characterized in that: A measuring tape (3) is placed in the fixing box (1), and mounting holes are provided on the surfaces of the fixing box (1) and the fixing box (2), and insulating telescopic rods (6) are installed in the mounting holes of the fixing box (1) and the fixing box (2), and a threaded hole is provided on the top of the insulating telescopic rod (6), and a magnetic block (7) is threadedly connected to the threaded hole on the top of the insulating telescopic rod (6); The fixing box 1 (1) is rotatably connected with a protective door (10), and a positioning sleeve (17) and a limiting column (19) are respectively installed on the outer wall of one side of the fixing box 2 (2) from bottom to top.

2. The device for measuring the distance of an outdoor open-type 110kV disconnector under live voltage according to claim 1, characterized in that: A threaded hole is also provided on one side outer wall of the fixing box (1), a fixing screw (4) is threadedly connected to the threaded hole of the fixing box (1), and a fixing plate (5) for fixing the position of the tape measure (3) is fixed to one end of the fixing screw (4).

3. The device for measuring the distance of an outdoor open-type 110kV disconnector under live voltage according to claim 1, characterized in that: A threaded hole is also provided on one side outer wall of the positioning sleeve (17), and a positioning bolt (18) for fixing the hook of the measuring tape (3) is threadedly connected to the threaded hole of the positioning sleeve (17).

4. The device for measuring the distance of an outdoor open-type 110kV disconnector under live voltage according to claim 1, characterized in that: A positioning box (11) is fixed to one side outer wall of the fixing box (1), a connecting block (12) fixed to the protective door (10) is movably connected to one side outer wall of the positioning box (11), and a positioning block (13) extending into the positioning box (11) is fixed to one side outer wall of the connecting block (12).

5. The device for measuring the distance of an outdoor open-type 110kV disconnector under live voltage according to claim 4, characterized in that: A through hole is provided on the surface of the positioning box (11), and a positioning pin (14) is movably connected in the through hole on the surface of the positioning box (11), and a positioning hole matching the positioning pin (14) is provided on the surface of the positioning block (13).

6. The device for measuring the distance of an outdoor open-type 110kV disconnector under live voltage according to claim 5, characterized in that: A limiting ring (15) is fixed to the outer wall of the positioning pin (14), and a fixing spring (16) for supporting the limiting ring (15) is sleeved on the outside of the positioning pin (14).

7. The device for measuring the distance of an outdoor open-type 110kV disconnector under live voltage according to claim 1, characterized in that: A plurality of sliding grooves are provided in the limiting column (19), a support spring (20) is placed in the sliding groove of the limiting column (19), and a limiting pin (21) movably connected to the limiting column (19) is provided on one side of the support spring (20).

8. The device for measuring the distance of an outdoor open-type 110kV disconnector under live voltage according to claim 1, characterized in that: The surfaces of the fixing box 1 (1) and the fixing box 2 (2) are both provided with a mounting groove 1 and a mounting groove 2, and the mounting groove 1 and the mounting groove 2 on the surfaces of the fixing box 1 (1) and the fixing box 2 (2) are respectively provided with a magnetic ring (8) and a bubble level (9).

Images