CN210743857U - Interlocking mechanism for upper shaft and lower shaft of switch cabinet - Google Patents
Interlocking mechanism for upper shaft and lower shaft of switch cabinet Download PDFInfo
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- CN210743857U CN210743857U CN201921808119.6U CN201921808119U CN210743857U CN 210743857 U CN210743857 U CN 210743857U CN 201921808119 U CN201921808119 U CN 201921808119U CN 210743857 U CN210743857 U CN 210743857U
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- connecting rod
- switch
- lower shaft
- main shaft
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Abstract
The utility model provides a cubical switchboard upper and lower shaft interlocking device, relates to the earthing switch field, and including cabinet door, earthing switch, quiet tool bit, switch move sword and main shaft, earthing switch and quiet tool bit fixed connection, switch tool bit and main shaft fixed connection, main shaft fixed connection has a main shaft pole, main shaft pole swing joint connecting rod b, connecting rod b swing joint back lower shaft, back lower shaft swing joint connecting rod an, upper shaft before connecting rod a swing joint, preceding upper shaft rotates makes the main shaft rotate, realizes earthing switch's opening and closing. The switch tool bit and the static tool bit are separated and combined through the up-and-down movement of the connecting rod a and the connecting rod b and the rotation of the front upper shaft and the rear lower shaft, and the switch cabinet meets the condition of forbidding installation of the insulating partition plate under the condition of not changing the width of the cabinet body; the locking device is arranged, and when the cabinet door is opened, the static cutter head and the switch cutter head can not be separated and combined, so that the cabinet door is safer.
Description
Technical Field
The utility model relates to an earthing switch, concretely relates to cubical switchboard upper and lower axle interlocking device.
Background
The grounding switch interlocking mechanism is an important component of the medium-voltage switch cabinet. 35kV cubical switchboard is great because of earthing switch overall dimension and operating force, and conventional earthing switch interlocking device generally designs as a front and back root axis in order to guarantee better operating force, and interlocking operating shaft center and earthing switch axle center are in same horizontal plane, and this kind of mode can lead to the quiet tool bit of axle and earthing switch apart from unable national standard 300 mm's requirement because of the existence of axle, for satisfying the conventional processing mode of requirement for installing insulating barrier additional between axle and quiet tool bit: if a 1400mm wide cabinet requires an insulation clear distance of 300mm, the distance from the shaft to the static cutter head is only 270 mm. The insulating partition board can be damaged, dropped, punctured and other potential safety hazards under the long-term operation condition because of the influences of reasons such as moisture, strength, material and the like, and for meeting the safe operation requirement, the national grid company has provided eighteen countermeasures and other documents and definitely proposes: the new installation cubical switchboard forbids to use insulating partition, and the urgent need of satisfying the requirement of equipment producer is developing new solution.
Disclosure of Invention
The utility model aims to solve the quiet tool bit distance of axle and earthing switch and satisfy national standard 300 mm's requirement to do not change original cabinet body 1400mm width.
In order to realize the above-mentioned purpose, the utility model discloses a cubical switchboard is upper and lower axle interlocking mechanism, move sword and main shaft including cabinet door, earthing switch, quiet tool bit, switch, earthing switch and quiet tool bit fixed connection, the switch moves sword and main shaft connection, still includes preceding upper shaft, preceding upper shaft swing joint connecting rod b, connecting rod b is connected with the main shaft, rotates preceding upper shaft makes connecting rod b reciprocate, connecting rod b reciprocates and makes the main shaft rotate, accomplishes the switch and moves the separating brake and the combined floodgate between sword and the quiet tool bit, connecting rod b can be but not only be limited to connecting rod and/or pivot and/or threaded rod connection with the connected mode of preceding upper shaft.
Preferably, the front upper shaft is movably connected with a connecting rod a, the connecting rod a moves up and down by the rotation of the front upper shaft, the connecting rod a is movably connected with the rear lower shaft, the connecting rod a moves up and down to rotate the rear lower shaft, the rear lower shaft is movably connected with a connecting rod b, the connecting rod b moves up and down by the rotation of the rear lower shaft, the connecting rod b is movably connected with the main shaft rod, the connecting rod b moves up and down to rotate the main shaft rod, and the main shaft rod is fixedly connected with the main shaft.
Preferably, one end of the rear lower shaft is provided with a locking device, and when the cabinet door is closed, the cabinet door is in contact with the locking device.
Preferably, the locking device comprises a fixed plate fixedly connected to the rear lower shaft and a locking ring, a spring is arranged on the fixed plate and connected with a shaft a, a notch is formed in the locking ring, and the shaft a extends into or retracts from the notch to stop or rotate the rear lower shaft.
Preferably, the shaft a is fixedly connected with the shaft b, the outer end face of the shaft b is located at the outer end of the plane where the outer end face of the shaft a is located, and when the cabinet door is closed, the cabinet door pushes the shaft b to move inwards.
Preferably, two ends of the connecting rod a and two ends of the connecting rod b are respectively provided with a crank arm.
Preferably, both ends of the connecting rod a and the connecting rod b are respectively in threaded connection with the crank arms.
Preferably, the connecting mode of the crank arm, the front upper shaft, the rear lower shaft and the main shaft rod is movably riveted.
Preferably, the distance between the rear lower shaft and the grounding switch is 300-1000 mm, and the distance between the grounding switch and the end, close to the front upper shaft, is 350-1700 mm.
Preferably, the rear lower shaft is a seamless steel pipe.
Has the advantages that:
1. the switch tool bit and the static tool bit are separated and combined through the up-and-down movement of the connecting rod a and the connecting rod b and the rotation of the front upper shaft and the rear lower shaft, and the switch cabinet meets the condition of forbidding installation of the insulating partition plate under the condition of not changing the width of the cabinet body;
2. be equipped with blocking device, only when the cabinet door is closed, axle a withdraws from the breach of locking ring, rotates back lower shaft, and quiet tool bit and switch tool bit just can divide and shut the operation, and when the cabinet door was opened, when axle a stretches out from breach department, quiet tool bit and switch tool bit can't divide and shut the operation, and is safer.
Drawings
Fig. 1 is the utility model discloses the whole schematic diagram of cubical switchboard upper and lower shaft interlocking mechanism.
Fig. 2 is a partial schematic view of the internal locking device of the interlocking mechanism of the upper shaft and the lower shaft of the switch cabinet.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Wherein, 1: front upper shaft, 2: connecting rods a, 3: rear lower shaft, 4: connecting rods b and 5: main shaft, 6: grounding switch, 7: static cutter head, 8: switch tool bit, 9: spindle shaft, 10: locking ring, 11: axes a, 12: axis b, 13: spring, 14: and (7) fixing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses a cubical switchboard upper and lower shaft interlocking mechanism, including cabinet door, earthing switch 6, quiet tool bit 7, switch tool bit 8 and main shaft 5, as shown in figure 1, earthing switch 6 and quiet tool bit 7 fixed connection, the one end and the main shaft 5 fixed connection of switch tool bit 8, when main shaft 5 rotated, switch tool bit 8 also rotated with main shaft 5 as the centre of a circle, the other end of switch tool bit 8 can realize separating brake and closing operation with quiet tool bit 7, played the effect of controlling earthing switch 6 to open and close;
the main shaft 5 is fixedly connected with a main shaft rod 9, and the main shaft rod 9 drives the main shaft 5 to rotate when rotating;
the upper end of the connecting rod b4 is provided with a crank arm, the connecting rod b4 is in threaded connection with the crank arm, the spindle rod 9 is movably riveted with the crank arm, and the connecting rod b4 can move up and down to drive the spindle rod 9 to rotate around the spindle 5 as the center of a circle;
the two ends of the rear lower shaft 3 are fixedly connected with shaft sleeves, the lower end of the connecting rod b4 is also provided with a crank arm, one end of the crank arm is in threaded connection with the connecting rod b4, the other end of the crank arm is movably riveted with the shaft sleeve at one end of the rear lower shaft 3, the rear lower shaft 3 is vertical to the connecting rod b4, and the rear lower shaft 3 rotates to enable the connecting rod b4 to move up and down;
a crank arm is arranged at the lower end of the connecting rod a2, one end of the crank arm is in threaded connection with the connecting rod a2, the other end of the crank arm is movably riveted with a shaft sleeve at the other end of the rear lower shaft 3, the connecting rod a2 is vertical to the rear lower shaft 3, and the connecting rod a2 moves up and down to enable the rear lower shaft 3 to rotate;
the upper end of the connecting rod a2 is in threaded connection with a crank arm, one end of the front upper shaft 1 is fixedly connected with a shaft sleeve, the crank arm is movably riveted with the shaft sleeve, the connecting rod a2 is vertical to the front upper shaft 1, and the connecting rod a2 moves up and down by rotating the front upper shaft 1;
the vertical distance from the rear lower shaft 3 to the grounding switch 6 is 350mm, and the distance between the grounding switch 6 and the end, close to the front upper shaft 1, is 400 mm.
The front upper shaft 1, the rear lower shaft 3 and the main shaft 5 are located at fixed positions in the switch cabinet, when the front upper shaft 1 is rotated, the connecting rod a2 moves up and down along with the front upper shaft, the connecting rod a2 moves up and down to drive the rear lower shaft 3 to rotate, the rear lower shaft 3 rotates to enable the connecting rod b4 to move up and down, the connecting rod b4 moves up and down to drive the main shaft rod 9 to rotate, so that the main shaft 5 rotates, the switch tool bit 8 further rotates along the main shaft 5, the switch tool bit 7 is separated and combined, and the grounding switch 6 is opened and closed.
As shown in fig. 2 and 3, a fixing plate 14 and a locking ring 10 are disposed on the outward extending end of the connecting end of the rear lower shaft 3 and the connecting rod b4, the locking ring 10 is located at the outer end of the fixing plate 14, a spring 13 is fixedly connected to the fixing plate 14, a shaft a11 is fixedly connected to the spring 13, a shaft a11 is fixedly connected to the shaft b12, and a gap is disposed on the locking ring 10. When the door of the switch cabinet is closed, the door pushes the shaft b12 to move inwards, so that the shaft a11 also moves inwards, the spring 13 is compressed, and the locking ring 10 can rotate to enable the rear lower shaft 3 to normally rotate; when the cabinet door is opened, under the elastic force of the spring 13, the shaft a11 protrudes into the notch of the locking ring 10 to stop the rotation of the rear lower shaft 3.
In order to ensure the requirements of operating force and strength, the rear lower shaft 3 adopts a seamless steel pipe with the diameter of 35 mm.
Claims (10)
1. The utility model provides a cubical switchboard is upper and lower shaft interlocking mechanism, moves sword (8) and main shaft (5) including cabinet door, earthing switch (6), quiet tool bit (7), switch, earthing switch (6) and quiet tool bit (7) fixed connection, the switch moves sword (8) and main shaft (5) and is connected, its characterized in that still includes preceding upper shaft (1), preceding upper shaft (1) swing joint connecting rod b (4), connecting rod b (4) are connected with main shaft (5), rotate preceding upper shaft (1) makes connecting rod b (4) reciprocate, connecting rod b (4) reciprocate and make main shaft (5) rotate, accomplish the switch and move separating brake and closing between sword (8) and quiet tool bit (7).
2. The switch cabinet upper and lower shaft interlocking mechanism according to claim 1, wherein the front upper shaft (1) is movably connected with a connecting rod a (2), the front upper shaft (1) rotates to enable the connecting rod a (2) to move up and down, the connecting rod a (2) is movably connected with a rear lower shaft (3), the connecting rod a (2) moves up and down to enable the rear lower shaft (3) to rotate, the rear lower shaft (3) is movably connected with a connecting rod b (4), the rear lower shaft (3) rotates to enable the connecting rod b (4) to move up and down, the connecting rod b (4) is movably connected with a main shaft rod (9), the connecting rod b (4) moves up and down to enable the main shaft rod (9) to rotate, and the main shaft rod (9) is fixedly connected with a main shaft (5).
3. The interlocking mechanism of upper and lower shafts of a switch cabinet as claimed in claim 2, characterized in that one end of the rear lower shaft (3) is provided with a locking device, and when the cabinet door is closed, the cabinet door is in contact with the locking device.
4. The upper and lower shaft interlocking mechanism of the switch cabinet according to claim 3, wherein the locking device comprises a fixing plate (14) fixedly connected to the lower rear shaft (3) and a locking ring (10), a spring (13) is arranged on the fixing plate (14), a shaft a (11) is connected to the spring (13), a notch is arranged on the locking ring (10), and the shaft a (11) extends into or retracts from the notch to stop or rotate the lower rear shaft (3).
5. A switch cabinet upper and lower shaft interlocking mechanism as claimed in claim 4, characterized in that the shaft a (11) is fixedly connected with a shaft b (12), the outer end face of the shaft b (12) is located at the outer end of the plane of the outer end face of the shaft a (11), and when the cabinet door is closed, the cabinet door pushes the shaft b (12) to move inwards.
6. The interlocking mechanism of upper and lower shafts of switch cabinet as claimed in claim 2, wherein the two ends of the connecting rod a (2) and the connecting rod b (4) are respectively provided with a crank arm.
7. The switch cabinet upper and lower shaft interlocking mechanism as claimed in claim 6, wherein both ends of the connecting rod a (2) and the connecting rod b (4) are respectively in threaded connection with a crank arm.
8. The upper and lower shaft interlocking mechanism of the switch cabinet as claimed in claim 6 or 7, wherein the connecting mode of the crank arm, the front upper shaft (1), the rear lower shaft (3) and the main shaft rod (9) is movable riveting.
9. The upper and lower shaft interlocking mechanism of the switch cabinet as claimed in claim 2, wherein the distance between the rear lower shaft (3) and the grounding switch (6) is 300-1000 mm, and the distance between the grounding switch (6) and the closer end of the front upper shaft (1) is 350-1700 mm.
10. The upper and lower shaft interlocking mechanism of the switch cabinet as claimed in claim 2, characterized in that the rear lower shaft (3) is a seamless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921808119.6U CN210743857U (en) | 2019-10-25 | 2019-10-25 | Interlocking mechanism for upper shaft and lower shaft of switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921808119.6U CN210743857U (en) | 2019-10-25 | 2019-10-25 | Interlocking mechanism for upper shaft and lower shaft of switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210743857U true CN210743857U (en) | 2020-06-12 |
Family
ID=71005384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921808119.6U Active CN210743857U (en) | 2019-10-25 | 2019-10-25 | Interlocking mechanism for upper shaft and lower shaft of switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210743857U (en) |
-
2019
- 2019-10-25 CN CN201921808119.6U patent/CN210743857U/en active Active
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