CN216928371U - Earthing switch crank arm - Google Patents
Earthing switch crank arm Download PDFInfo
- Publication number
- CN216928371U CN216928371U CN202220651308.2U CN202220651308U CN216928371U CN 216928371 U CN216928371 U CN 216928371U CN 202220651308 U CN202220651308 U CN 202220651308U CN 216928371 U CN216928371 U CN 216928371U
- Authority
- CN
- China
- Prior art keywords
- crank arm
- rod
- transmission cavity
- cylinder
- warning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 27
- 239000004744 fabric Substances 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 241000237983 Trochidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Landscapes
- Electric Cable Installation (AREA)
Abstract
The utility model provides a grounding switch crank arm which has the technical effects that the tightness degree of a screw is detected, and a maintenance worker can be reminded when the screw is loosened, so that the maintenance worker is not required to check each screw, the maintenance speed is accelerated, and the time is saved. The utility model discloses a ground switch crank arm which comprises two crank arms, wherein a protective shell is fixedly arranged on the two crank arms, a protective bin with a downward opening is arranged in the protective shell, a stud capable of moving along the vertical direction is arranged on the inner wall of the top of the protective bin, a nut is fixedly arranged on the end face of the top end of the stud, the bottom end of the stud is connected with the two crank arms, and an alarm mechanism is arranged on the protective shell.
Description
Technical Field
The utility model relates to the technical field of power distribution cabinets, in particular to a grounding switch crank arm.
Background
The connecting lever is one of the parts commonly used on the machine equipment, in JN15 earthing switch, the connecting lever passes through the screw and is connected in order to realize function such as motion in succession with other parts, general connecting lever passes through the screw connection back friction and fixes on the earthing switch main shaft, after using a period, need maintenance personal to overhaul, prevent that the screw is not hard up to cause the influence to equipment, if manual maintenance, need examine every screw, relatively troublesome, and consume time, when connecting lever use quantity is more, it is slow to adopt the manual work to overhaul every connecting lever progress, consuming time and wasting power.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the earthing switch crank arm which has the technical effects of detecting the tightness degree of a screw and reminding maintenance personnel when the screw is loosened.
The technical purpose of the utility model is realized by the following technical scheme:
a ground switch crank arm comprises two crank arms, a protective shell is fixedly arranged on the two crank arms, a protective cabin with a downward opening is arranged in the protective shell, a stud capable of moving along the vertical direction is arranged on the inner wall of the top of the protective cabin, a nut is fixedly arranged on the end face of the top end of the stud, the bottom end of the stud is connected with the two crank arms, an alarm mechanism is arranged on the protective shell and comprises a transmission cavity arranged in the wall of the top shell of the protective shell, a top rod capable of sliding along the vertical direction is arranged on the top wall of the transmission cavity, the upper end of the top rod extends out of the transmission cavity and abuts against the nut, the lower end of the top rod is positioned in the transmission cavity, a pulling block is fixedly arranged at the lower end of the top rod and is arranged in the transmission cavity, a power rod is rotatably connected in the transmission cavity, and a thin rope is connected to the top surface of the power rod, the pull block moves in the vertical direction to drive the power rod to rotate.
Furthermore, an extension arm is fixedly connected between the two crank arms, and one end of the stud penetrates through the extension arm and is fixedly connected with the extension arm through a nut.
Further, transmission chamber bottom inner wall with be connected with reset spring between the ejector pin, transmission chamber inner wall has set firmly the cylinder, the power rod rotate connect in on the cylinder, the cylinder sets up to be close to in the transmission intracavity one side of ejector pin, the cylinder with be equipped with the reset torsion spring between the power rod.
Further, be equipped with the storehouse of placing that the opening faces upward on the protective housing, it is equipped with the warning axle to place the storehouse internal rotation, the epaxial connecting rod that has set firmly of warning, be equipped with warning cloth on the connecting rod, the string is around locating the warning is epaxial.
Further, the power rod rotates clockwise around the cylinder and can drive the warning shaft to rotate anticlockwise through the thin rope.
Compared with the prior art, the utility model has the following beneficial effects:
the ejector pin that removes through the vertical direction of ability comes to detect the relation between nut and the double-screw bolt, not hard up back between nut and the double-screw bolt, the ejector pin can be kept away from the nut and removed, the ejector pin removes and drives the power rod and carry out clockwise rotation round the cylinder, the power rod rotates the pulling string, string pulling warning axle rotates, the warning axle drives the connecting rod and rotates, indicate the maintenance personal, thereby it inspects every screw to need not the staff, maintenance personal's maintenance efficiency has been accelerated, maintenance personal's working strength has been reduced.
Drawings
Fig. 1 is a schematic view of an overall full-section structure of a grounding switch crank arm according to the present invention;
FIG. 2 is a schematic top view of a grounding switch crank arm according to the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 1;
FIG. 4 is a schematic view of the alarm mechanism of FIG. 1 in an operational state;
fig. 5 is a schematic view of the alarm mechanism of fig. 1 in an operating state.
In the drawings, wherein: 15. a crank arm; 16. a circular hole; 17. a string; 18. a nut; 19. a protective shell; 20. a protection bin; 21. an extension arm; 22. a nut; 23. a stud; 24. a return spring; 25. pulling the block; 26. a top rod; 27. a cylinder; 28. a transmission cavity; 29. a warning shaft; 30. placing a bin; 31. a connecting rod; 32. a warning cloth; 33. a return torsion spring; 34. a power rod; 50. an alarm mechanism.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
Example (b):
a ground switch crank arm comprises two crank arms 15, a protective shell 19 is fixedly arranged on the two crank arms 15, an alarm mechanism 50 is arranged on the protective shell 19, the alarm mechanism 50 comprises a transmission cavity 28 arranged in the wall of the top of the protective shell 19, a push rod 26 capable of sliding in the vertical direction is arranged on the top wall of the transmission cavity 28, the push rod 26 extends to the outer side of the transmission cavity 28, a pulling block 25 is fixedly arranged at one end of the push rod 26, which is located in the transmission cavity 28, the pulling block 25 is arranged in the transmission cavity 28, a cylinder 27 is fixedly arranged in the transmission cavity 28, a power rod 34 is rotatably connected onto the cylinder 27, a thin rope 17 is connected onto the top surface of the power rod 34, a placing cabin 30 with an opening far away from the ground is arranged on the wall of the top of the protective shell 19, a warning shaft 29 is rotatably arranged in the placing cabin 30, a connecting rod 31 is fixedly arranged on the warning shaft 29, warning cloth 32 is fixedly arranged on the connecting rod 31, the thin rope 17 is wound on the warning shaft 29, and the connecting rod 31 rotates clockwise around the warning shaft 29 to enable the warning cloth 32 to leave the placing bin 30, so that workers can see the warning cloth 32 and then overhaul.
Beneficially, be equipped with the protection storehouse 20 that the opening is down in the protective housing 19, the inner wall of protection storehouse 20 top is equipped with the double-screw bolt 23 that can remove along vertical direction, the double-screw bolt 23 top has set firmly the nut 18, the nut 18 can with the ejector pin 26 contact, two fixedly connected with extension arm 21 between the turning arm 15, double-screw bolt 23 one end runs through extension arm 21 to be connected fixedly with extension arm 21 through nut 22, nut 22 can with extension arm 21 butt.
Beneficially, a return spring 24 is connected between the inner wall of the bottom of the transmission cavity 28 and the push rod 26, the cylinder 27 is arranged at one side close to the push rod 26, and a return torsion spring 33 is arranged between the cylinder 27 and the power rod 34.
Advantageously, the crank arm 15 is provided with a circular hole 16 and a main shaft groove 10 in a penetrating manner.
In the initial state, the return spring 24 and the return torsion spring 33 are in a normal state.
The working principle is as follows:
putting the crank arm 15 on the earthing switch main shaft, enabling the earthing switch main shaft to penetrate through the main shaft groove 10, placing the crank arm 15 at a proper position, rotating the stud 23, enabling the stud 23 to drive the extension arm 21 to move close to the transmission cavity 28 through the nut 22, enabling the stud 23 to move to drive the nut 18 to move, enabling the nut 18 to drive the ejector rod 26 to move close to the ground, enabling the ejector rod 26 to drive the power rod 34 to rotate anticlockwise around the cylinder 27 through the pulling block 25, enabling the ejector rod 26 to continue to move, enabling the main shaft groove 10 to clamp the crank arm 15 on the earthing switch main shaft, enabling the nut 18 to move away from the ground when the stud 23 and the nut 22 are loosened, enabling the nut 18 to move, enabling the reset spring 24 to push the ejector rod 26 to move away from the ground, enabling the pulling block 25 to move together with the ejector rod 26, enabling the power rod 34 to rotate clockwise around the cylinder 27, enabling the power rod 34 to rotate to tighten the thin rope 17, enabling the thin rope 17 to drive the warning shaft 29 to rotate, enabling the warning shaft 29 to drive the connecting rod 31 to rotate, connecting rod 31 drives warning cloth 32 and rotates for the workman can see warning cloth 32, thereby overhauls this device.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. A earthing switch crank arm comprises two crank arms (15), and is characterized in that: a protective shell (19) is fixedly arranged on the two crank arms (15), a protective bin (20) with a downward opening is arranged in the protective shell (19), a stud (23) capable of moving along the vertical direction is arranged on the inner wall of the top of the protective bin (20), a nut (18) is fixedly arranged on the end face of the top end of the stud (23), the bottom end of the stud (23) is connected with the two crank arms (15), an alarm mechanism (50) is arranged on the protective shell (19), the alarm mechanism (50) comprises a transmission cavity (28) arranged in the wall of the top of the protective shell (19), a push rod (26) capable of sliding along the vertical direction is arranged on the top wall of the transmission cavity (28), the upper end of the push rod (26) extends out of the transmission cavity (28) and abuts against the nut (18), the lower end of the push rod (26) is located in the transmission cavity (28), and a pulling block (25) is fixedly arranged at the lower end of the push rod (26), the pull block (25) is arranged in the transmission cavity (28), the transmission cavity (28) is rotationally connected with a power rod (34), the top surface of the power rod (34) is connected with a string (17), and the pull block (25) moves in the vertical direction to drive the power rod (34) to rotate.
2. A grounding switch crank arm as claimed in claim 1, wherein: two fixedly connected with extension arm (21) between crank arm (15), double-screw bolt (23) one end is run through extension arm (21) to be connected fixedly through nut (22) and extension arm (21).
3. A grounding switch crank arm as claimed in claim 2, wherein: transmission chamber (28) bottom inner wall with be connected with reset spring (24) between ejector pin (26), transmission chamber (28) inner wall has set firmly cylinder (27), power rod (34) rotate connect in on cylinder (27), cylinder (27) set up and are close to in transmission chamber (28) one side of ejector pin (26), cylinder (27) with be equipped with reset torsion spring (33) between power rod (34).
4. A grounding switch crank arm as claimed in claim 3, wherein: be equipped with on protective housing (19) opening storehouse (30) of placing up, it is equipped with warning axle (29) to place storehouse (30) internal rotation, connecting rod (31) have set firmly on warning axle (29), be equipped with on connecting rod (31) warning cloth (32), string (17) are around locating on warning axle (29).
5. A grounding switch crank arm as claimed in claim 4, wherein: the power rod (34) rotates clockwise around the cylinder (27) and can drive the warning shaft (29) to rotate anticlockwise through the thin rope (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220651308.2U CN216928371U (en) | 2022-03-24 | 2022-03-24 | Earthing switch crank arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220651308.2U CN216928371U (en) | 2022-03-24 | 2022-03-24 | Earthing switch crank arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216928371U true CN216928371U (en) | 2022-07-08 |
Family
ID=82228811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220651308.2U Active CN216928371U (en) | 2022-03-24 | 2022-03-24 | Earthing switch crank arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216928371U (en) |
-
2022
- 2022-03-24 CN CN202220651308.2U patent/CN216928371U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200991897Y (en) | Underwater long rod gripping device with camera | |
| CN216928371U (en) | Earthing switch crank arm | |
| CN102651530A (en) | Compression spring type electric power grounding line operation rod | |
| CN220136316U (en) | Novel bolt looseness monitoring device | |
| CN210037435U (en) | Inside rope core verifying attachment of wire rope | |
| CN210025282U (en) | Clamping tool of climbing robot for power transmission tower | |
| CN203887480U (en) | Mounting device for runner blade of axial-flow kaplan turbine | |
| CN209560019U (en) | A kind of large-sized cable safety detection device | |
| CN201786352U (en) | Drop-proof device for oil well logger | |
| CN208103756U (en) | A kind of detection device of overspeed protection switch of lifting machine | |
| CN217740955U (en) | Complete set ground wire chuck | |
| CN111706571A (en) | Oil cylinder piston with high strength and good sealing performance for trailer pump air extraction unit | |
| CN221720456U (en) | Bridge crane maintenance frame | |
| CN213197378U (en) | Special tool for turning of rotating equipment | |
| CN219231290U (en) | Fluorine hexanone automatic fire extinguishing device | |
| CN116207379B (en) | Online storage battery monitoring system and method for coal mining device | |
| CN219657321U (en) | Distribution box strength detection equipment | |
| CN110329946B (en) | Lifting and rotating device for lower cylinder body of engine | |
| CN214427490U (en) | Detachable power equipment detection device | |
| CN210664284U (en) | Bolt detection device | |
| CN210165903U (en) | Infrared laser monitoring device for power transmission line | |
| CN215185562U (en) | Cable clamp convenient to use | |
| CN109403892A (en) | A kind of borer drill rod fast assembling-disassembling technique | |
| CN212146206U (en) | Excavator bucket arm installation device | |
| CN210060980U (en) | Novel hole pin takes out device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 298 Chuanshan Road, Huzhou, Zhejiang, 313000 Patentee after: Zhejiang Hangsheng Electric Technology Co.,Ltd. Address before: 313000 room 1119, block B, Jinmao Guangcheng, Kangshan street, Huzhou Economic and Technological Development Zone, Huzhou City, Zhejiang Province Patentee before: Zhejiang Hangsheng Electric Technology Co.,Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Huzhou Hangsheng New Energy Technology Co.,Ltd. Assignor: Zhejiang Hangsheng Electric Technology Co.,Ltd. Contract record no.: X2024330000489 Denomination of utility model: A grounding switch lever Granted publication date: 20220708 License type: Common License Record date: 20240903 Assignee: Huzhou Hangsheng Electric Technology R&D Co.,Ltd. Assignor: Zhejiang Hangsheng Electric Technology Co.,Ltd. Contract record no.: X2024330000488 Denomination of utility model: A grounding switch lever Granted publication date: 20220708 License type: Common License Record date: 20240903 |