Multifunctional insulating operation rod for power failure and power transmission operation of transformer substation

Abstract

The invention relates to a multifunctional insulating operation rod for power cut and power transmission operation of a transformer substation. A mounting bottom plate is arranged at the lower end of a bottom pipe, a threaded hole is formed in the center of the mounting bottom plate, an air pipe vertically penetrates through the threaded hole, a sealing air valve is arranged at the lower end of the air pipe, and a connecting ring rotationally sleeves the outer surface of the air pipe and is rotationally connected with the threaded hole in a threaded mode; the top pipe is located above the bottom pipe, a check block is arranged in the top pipe, and an adjusting rod vertically penetrates through the middle of the check block in a sliding mode. The middle telescopic connecting pipe is fixedly arranged between the bottom pipe and the top pipe and comprises an outer pipe and an inner pipe which are connected in a sliding and sleeving mode, limiting bolts are arranged on the two sides of the outer upper end of the middle telescopic connecting pipe, and the air bag is vertically arranged between the adjusting rod and the air pipe; the clamping assembly is located above the top pipe, one end of an upper clamping plate is connected with the adjusting rod, the other end of the upper clamping plate is provided with a clamping block a, one end of a lower clamping plate is connected with the top pipe, a clamping block b is arranged above the other end of the lower clamping plate, and the adjusting rod is vertically sleeved with a clamping spring; the device has the advantages of being safe and convenient to operate and use and stable and reasonable in structural design.

Description

Technical Field

[0001] The invention belongs to the field of power grid auxiliary tools, and in particular relates to a multifunctional insulating operating rod for power outage operation of a transformer substation. Background Art

[0002] A substation refers to a device that transforms voltage and current in an electric power system, and is also an important place for receiving and distributing electric energy. During the long-term operation of a substation, the electrical equipment inside it will inevitably fail. Therefore, before performing fault inspection and repair, it is necessary to use an insulating operating rod to perform a power outage operation on the isolating knife switch located at a high altitude. After the fault inspection and repair is completed, it is necessary to promptly use the insulating operating rod to perform a power supply operation on the isolating knife switch located at a high altitude. However, when using existing insulating operating rods, their lengths are mostly fixed and cannot be adjusted according to actual needs, which affects their applicability. In addition, when using existing insulating operating rods, their convenience, stability and safety of operation are poor, and they cannot meet the needs of daily power supply maintenance. Therefore, in order to solve the above problems, it is necessary to develop a multifunctional insulating operating rod for substation power outage and power supply operation that is safe and convenient to operate and has a stable and reasonable structural design. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and to provide a multifunctional insulating operating rod for substation power outage operation, which has the advantages of safe and convenient operation and use and stable and reasonable structural design.

[0004] The object of the present invention is achieved in this way: a multifunctional insulating operating rod for power outage operation of a substation comprises a bottom tube, a top tube, an intermediate telescopic connecting tube, an air bag and a clamping assembly, wherein a mounting base is fixedly provided at the lower end of the bottom tube, a threaded hole is vertically provided at the center of the mounting base, an air pipe is vertically penetrated inside the threaded hole, a sealing air valve is detachably provided at the lower end of the air pipe, a connecting ring is rotatably sleeved on the outer surface through a limit bearing, and an external thread is provided on the outer surface of the connecting ring, and the external thread is threadedly sleeved with the threaded hole through the external thread; the top tube is located directly above the bottom tube, a stopper is fixedly provided on the upper end of its inner surface, a through hole is provided at the center of the stopper, and an adjusting rod is vertically slidably penetrated in the through hole; the intermediate telescopic connecting tube is located between the bottom tube and the top tube, and comprises an outer tube and an inner tube slidably sleeved, and the lower end of the outer tube is aligned with the upper surface of the bottom tube The cam is fixedly welded on the center, and both sides of the upper end are transversely threaded and rotatably penetrated with limit bolts, the inner tube is located above the outer tube, and its upper end is concentrically fixed and welded with the lower surface of the top tube, the airbag is vertically arranged as a whole, is located inside the middle telescopic connecting tube, its upper end is fixedly connected to the adjusting rod, and the lower end is fixedly connected to the air pipe; the clamping assembly is located above the top tube, and it comprises an upper splint, a lower splint and a clamping spring, the upper splint and the lower splint are both horizontally arranged, wherein one end of the upper splint is vertically fixedly connected to the upper end of the adjusting rod, and a clamping block a is fixedly arranged below the other end, the lower splint is located below the upper splint, one end of which is vertically fixedly connected to the upper end of the outer surface of the top tube, and a clamping block b is fixedly arranged above the other end, the clamping spring is vertically sleeved on the outside of the adjusting rod, the upper end of which is fixedly connected to the lower surface of the upper splint, and the lower end is fixedly connected to the upper surface of the stopper.

[0005] Furthermore, a lighting fixture mounting frame is fixedly provided on the upper end of the outer surface of the bottom tube, and a rubber anti-slip pad is fixedly provided on the lower end of the outer surface.

[0006] Furthermore, the clamping block a and the clamping block b have the same structure and are both made of insulating materials.

[0007] Furthermore, the lower surface of the clamping block a and the upper surface of the clamping block b are both provided with anti-slip grooves.

[0008] Furthermore, warning strips are laterally arranged on the front end surface and the rear end surface of the upper clamping plate.

[0009] Furthermore, the adjusting rod is a square rod structure, and the through hole is a square hole structure matching the adjusting rod structure.

[0010] The beneficial effects of the present invention are as follows: by providing an inner tube, an outer tube and a limiting bolt, the present invention utilizes the inner tube and the outer tube that are slidably sleeved, and the overall length of the present invention can be adjusted according to actual needs, thereby increasing its applicability; the inner end of the limiting bolt is in close contact with the outer surface of the inner tube, so as to complete the limiting between the inner tube and the outer tube; by providing an air pipe, an air bag, a sealing air valve and an adjusting rod, when in use, an air pump can be used to inflate the inside of the air bag through the air pipe to expand the air bag, thereby utilizing the inflation and expansion of the air bag to transform the original soft state into a state having a certain hardness and pressure bearing capacity, and then the air pipe is blocked through the sealing air valve, and an external force is applied to the air pipe to make the air pipe move vertically upward, so that the movement of the air pipe can be utilized to drive the adjusting rod to move through the air bag, and then the movement of the adjusting rod can be utilized to drive the clamping spring to expand and the upper clamping plate to move vertically upward, thereby realizing the separation of the clamping block a and the clamping block b, and adopting this structure can facilitate the subsequent use of the clamping block a The clamping block a and the clamping block b are used to clamp and limit the moving contact of the transformer substation isolation switch, thereby increasing the convenience and stability of the transformer substation power outage operation. At the same time, the use of the clamping block a and the clamping block b made of insulating materials can also increase the safety of the present invention when in use; By providing a connecting ring and a threaded hole, the outer surface of the connecting ring is connected to the inner wall of the threaded hole by threaded cooperation, and the inner surface is connected to the trachea by a rotational sleeve through a limit bearing. When the present invention is placed after use, the trachea can be limited by the connecting ring, which increases the overall structural stability of the present invention and avoids the problem of the trachea being damaged by collision due to the trachea sliding back and forth inside the threaded hole. In general, the present invention has the advantages of safe and convenient operation and stable and reasonable structural design. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a front view of the present invention.

[0012] Figure 2 It is a cross-sectional view of the front view of the present invention.

[0013] Figure 3 It is a cross-sectional view of the front view of the connection between the adjustment rod and the clamping assembly in the present invention.

[0014] Figure 4 It is a cross-sectional view of the front view of the connection between the mounting base plate, the air pipe and the connecting ring in the present invention.

[0015] Figure 5 It is a cross-sectional view of the front view of the connection between the adjustment rod, the air bag and the trachea in the present invention.

[0016] In the figure: 1, bottom tube 11, mounting base 12, threaded hole 13, air pipe 14, sealing air valve 15, connecting ring 16, lighting lamp mounting frame 17, rubber anti-skid pad 2, top tube 21, block 22, through hole 23, adjusting rod 3, middle telescopic connecting tube 31, outer tube 32, inner tube 33, limit bolt 4, airbag 5, clamping assembly 51, upper clamping plate 52, lower clamping plate 53, clamping spring 54, clamping block a 55, clamping block b. DETAILED DESCRIPTION

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] Example: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, a multifunctional insulating operating rod for power outage operation of a substation comprises a bottom tube 1, a top tube 2, an intermediate telescopic connecting tube 3, an air bag 4 and a clamping assembly 5. A mounting base plate 11 is fixedly arranged at the lower end of the bottom tube 1. A threaded hole 12 is vertically arranged at the center of the mounting base plate 11. An air pipe 13 is vertically penetrated inside the threaded hole 12. A sealing air valve 14 is detachably arranged at the lower end of the air pipe 13. A connecting ring 15 is rotatably sleeved on the outer surface through a limit bearing, and the connecting ring 1 The outer surface of the top pipe 2 is provided with an external thread, and the external thread is threadedly sleeved with the threaded hole 12 through the external thread; the top pipe 2 is located directly above the bottom pipe 1, and a stopper 21 is fixedly provided on the upper end of the inner surface thereof, and a through hole 22 is provided at the center of the stopper 21, and an adjusting rod 23 is vertically slidably penetrated in the through hole 22; the intermediate telescopic connecting pipe 3 is located between the bottom pipe 1 and the top pipe 2, and comprises an outer pipe 31 and an inner pipe 32 which are slidably sleeved, and the lower end of the outer pipe 31 is fixedly welded to the upper surface of the bottom pipe 1 concentrically. The inner tube 32 is located above the outer tube 31, and its upper end is fixedly welded to the lower surface of the top tube 2 concentrically. The airbag 4 is vertically arranged as a whole, located inside the middle telescopic connecting tube 3, and its upper end is fixedly connected to the adjusting rod 23, and its lower end is fixedly connected to the air pipe 13; the clamping assembly 5 is located above the top tube 2, and includes an upper clamping plate 51, a lower clamping plate 52 and a clamping spring 53, and the upper clamping plate 51 and the lower clamping plate 52 are fixedly connected to the air pipe 13. 2 are all arranged horizontally, wherein one end of the upper clamping plate 51 is vertically fixedly connected to the upper end of the adjusting rod 23, and a clamping block a54 is fixedly arranged below the other end. The lower clamping plate 52 is located below the upper clamping plate 51, and one end of which is vertically fixedly connected to the upper end of the outer surface of the top pipe 2, and a clamping block b55 is fixedly arranged above the other end. The clamping spring 53 is vertically sleeved on the outside of the adjusting rod 23, and its upper end is fixedly connected to the lower surface of the upper clamping plate 51, and the lower end is fixedly connected to the upper surface of the stopper 21.

[0019] A lighting fixture 16 is fixedly provided on the upper end of the outer surface of the bottom tube 1, and a rubber anti-skid pad 17 is fixedly provided on the lower end of the outer surface. The lighting fixture 16 can be used to limit the placement of the lighting fixture, thereby facilitating the use of the present invention in an environment with insufficient light; the clamping block a54 and the clamping block b55 have the same structure and are both made of insulating materials. The use of insulating materials can increase the safety of the present invention when in use; the lower surface of the clamping block a54 and the upper surface of the clamping block b55 are both provided with anti-skid grooves, and the use of anti-skid grooves can increase the stability of the clamping operation of the moving contact; warning strips are laterally provided on the front end face and the rear end face of the upper clamping plate 51; the adjusting rod 23 is a square rod structure, and the through hole 22 is a square hole structure matched with the adjusting rod 23 structure. With this structure, the problem of relative rotation between the adjusting rod 23 and the top tube 2 can be avoided.

[0020] When the present invention is in use, first, the inner tube 32 and the outer tube 31 that are slidably connected can be used to adjust the overall length of the present invention according to actual needs, and after the adjustment is completed, the limiting bolt 33 is rotated by external force to make the inner end of the limiting bolt 33 closely contact the outer surface of the inner tube 32. At this point, the friction force generated by the close contact between the limiting bolt 33 and the inner tube 32 can be used to limit the inner tube 32 and the outer tube 31. The present invention adopts this structure to adjust the overall length according to actual needs, thereby increasing its applicability; then, the connecting ring 15 is rotated to release the threaded rotation connection between the connecting ring 15 and the threaded hole 12, and then, the sealing air valve 14 is removed, and an air pump is used to pump air through the air pipe 13. The airbag 4 is inflated to expand the airbag 4, so that the inflation and expansion of the airbag 4 is utilized to change the original soft state to a state having a certain hardness and pressure bearing capacity, and then the air pipe 13 is blocked by the sealing air valve 14. Finally, the present invention is placed vertically as a whole, and the position is adjusted to move the clamping assembly 5 above the top pipe 2 to the moving contact of the substation isolation switch. After completing the above operation, an external force is applied to the air pipe 13 to move the air pipe 13 vertically upward. At this point, the movement of the air pipe 13 can be utilized to drive the adjustment rod 23 to move through the airbag 4, and then the movement of the adjustment rod 23 can be utilized to drive the clamping spring 53 to expand and the upper clamping plate 51 to move vertically upward, thereby realizing the clamping block a54. And the separation of the clamping block b55, finally, the separation and resetting of the clamping block a54 and the clamping block b55 can be used to contact again, so as to complete the clamping and limiting of the moving contact of the transformer substation isolation knife switch. The adoption of this structure can increase the convenience and stability of the substation power outage operation. At the same time, the use of the clamping block a54 and the clamping block b55 of insulating material can also increase the safety of the present invention when in use; and, the present invention sets a connecting ring 15 and a threaded hole 12, and utilizes the threaded matching connection between the outer surface of the connecting ring 15 and the inner wall of the threaded hole 12, and the rotation sleeve connection between the inner surface and the air pipe 13 through a limiting bearing. When the present invention is placed after use, the connecting ring 15 can be used to limit the air pipe 13, which increases the overall structural stability of the present invention and can also avoid the problem of the air pipe 13 being damaged by the collision due to the back and forth sliding of the air pipe 13 inside the threaded hole 12; in general, the present invention has the advantages of safe and convenient operation and stable and reasonable structural design.

[0021] The above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, a person skilled in the art should understand that the specific implementation modes of the present invention can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A multifunctional insulating operating rod for power outage operation in a substation, comprising a bottom tube (1), a top tube (2), an intermediate telescopic connecting tube (3), an air bag (4) and a clamping assembly (5), characterized in that: The lower end of the bottom tube (1) is fixedly provided with a mounting base plate (11), the center of the mounting base plate (11) is vertically provided with a threaded hole (12), an air pipe (13) is vertically penetrated inside the threaded hole (12), a sealing air valve (14) is detachably provided at the lower end of the air pipe (13), a connecting ring (15) is rotatably sleeved through a limit bearing on the outer surface, and the outer surface of the connecting ring (15) is provided with an external thread, which is threadably sleeved with the threaded hole (12) through the external thread; the top tube (2) is located at the bottom tube (1), a stopper (21) is fixedly provided at the upper end of the inner surface thereof, a through hole (22) is provided at the center of the stopper (21), and an adjusting rod (23) is vertically slidably penetrated in the through hole (22); the intermediate telescopic connecting pipe (3) is located between the bottom pipe (1) and the top pipe (2), and comprises an outer pipe (31) and an inner pipe (32) which are slidably sleeved, the lower end of the outer pipe (31) is concentrically fixedly welded to the upper surface of the bottom pipe (1), and both sides of the upper end are transversely threadedly penetrated with limit bolts (33), The inner tube (32) is located above the outer tube (31), and its upper end is fixedly welded to the lower surface of the top tube (2) concentrically. The airbag (4) is vertically arranged as a whole and is located inside the middle telescopic connecting tube (3). Its upper end is fixedly connected to the adjustment rod (23), and its lower end is fixedly connected to the air pipe (13). The clamping assembly (5) is located above the top tube (2), and comprises an upper clamping plate (51), a lower clamping plate (52) and a clamping spring (53). The upper clamping plate (51) and the lower clamping plate (52) are both arranged horizontally, wherein One end of the upper clamping plate (51) is vertically fixedly connected to the upper end of the adjusting rod (23), and a clamping block a (54) is fixedly arranged below the other end. The lower clamping plate (52) is located below the upper clamping plate (51), and one end of the lower clamping plate (52) is vertically fixedly connected to the upper end of the outer surface of the top pipe (2), and a clamping block b (55) is fixedly arranged above the other end. The clamping spring (53) is vertically sleeved on the outside of the adjusting rod (23), and the upper end of the clamping spring is fixedly connected to the lower surface of the upper clamping plate (51), and the lower end is fixedly connected to the upper surface of the stopper (21).

2. A multifunctional insulating operating rod for power outage operation of a substation as claimed in claim 1, characterized in that: A lighting lamp mounting frame (16) is fixedly provided on the upper end of the outer surface of the bottom tube (1), and a rubber anti-slip pad (17) is fixedly provided on the lower end of the outer surface.

3. A multifunctional insulating operating rod for power outage operation of a substation as claimed in claim 1, characterized in that: The clamping block a (54) and the clamping block b (55) have the same structure and are both made of insulating materials.

4. A multifunctional insulating operating rod for power outage operation of a substation as claimed in claim 1 or 3, characterized in that: The lower surface of the clamping block a (54) and the upper surface of the clamping block b (55) are both provided with anti-slip grooves.

5. A multifunctional insulating operating rod for power outage operation of a substation as claimed in claim 1, characterized in that: Warning strips are disposed transversely on the front and rear surfaces of the upper clamping plate (51).

6. A multifunctional insulating operating rod for power outage operation of a substation as claimed in claim 1, characterized in that: The adjusting rod (23) is a square rod structure, and the through hole (22) is a square hole structure that matches the adjusting rod (23) structure.

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