CN112366103B - Lower door interlocking device of switch cabinet - Google Patents
Lower door interlocking device of switch cabinet Download PDFInfo
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- CN112366103B CN112366103B CN202011143939.5A CN202011143939A CN112366103B CN 112366103 B CN112366103 B CN 112366103B CN 202011143939 A CN202011143939 A CN 202011143939A CN 112366103 B CN112366103 B CN 112366103B
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- interlocking
- plate
- grounding
- opening
- lower door
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- Electromagnetism (AREA)
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Abstract
The invention discloses a lower door interlocking device of a switch cabinet, which comprises a grounding interlocking mechanism and a separating brake interlocking mechanism, wherein the grounding interlocking mechanism and the separating brake interlocking mechanism are arranged between a mechanism chamber and a lower door; the grounding interlocking mechanism comprises a grounding interlocking shaft, a grounding interlocking plate, a shifting rod and a first positioning sliding pin, the bottom end of the grounding interlocking shaft is contacted with the top end of the grounding interlocking plate, the shifting rod is fixedly connected with the grounding interlocking plate, the grounding interlocking plate is arranged on the first positioning sliding pin in a penetrating mode, and a notch used for clamping a hook part of the grounding interlocking plate is formed in the lower door; the opening interlocking mechanism comprises an opening interlocking shaft, an opening interlocking plate and a second positioning sliding pin, the bottom end of the opening interlocking shaft is fixedly connected with the top end of the opening interlocking plate, the opening interlocking plate is arranged on the second positioning sliding pin in a penetrating manner, and a baffle plate used for pushing the opening interlocking plate is further arranged on the lower door; the invention has the advantages of simple structure, small volume, lower cost, convenient installation and simple operation, is suitable for interlocking the lower door of the switch cabinet and ensures the safety of the switch.
Description
Technical Field
The invention relates to the technical field of switch cabinet interlocking, in particular to a switch cabinet lower door interlocking device.
Background
The switch cabinet is electric power electrical equipment frequently used in electric power, industrial production and resident life, and mainly has the main function of effectively and reliably opening and closing, controlling and protecting the electric equipment in power generation, power transmission, power distribution and electric energy conversion projects of an electric power system.
Along with the continuous development of switch cabinet technology, the requirement on the safe and reliable of the switch cabinet is higher and higher, the interlocking device of the lower door of the switch cabinet is an important measure for avoiding safety accidents, and the existing interlocking linkage device is complex in general structure, inconvenient to install and complex in operation, and has certain potential safety hazards.
Disclosure of Invention
The invention aims to provide a switch cabinet lower door interlocking device, which solves the problems that the switch cabinet lower door interlocking device in the prior art is complex in structure, inconvenient to install, complex to operate and has certain potential safety hazards.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a lower door interlocking device of a switch cabinet, which comprises a grounding interlocking mechanism and a separating brake interlocking mechanism, wherein the grounding interlocking mechanism and the separating brake interlocking mechanism are arranged between a mechanism chamber and a lower door; the grounding interlocking mechanism comprises a grounding interlocking shaft, a grounding interlocking plate, a shifting rod and a first positioning sliding pin, the bottom end of the grounding interlocking shaft is contacted with the top end of the grounding interlocking plate, the shifting rod is fixedly connected with the grounding interlocking plate, the grounding interlocking plate is arranged on the first positioning sliding pin in a penetrating mode, a notch used for clamping a hook part of the grounding interlocking plate is formed in the lower door, and when the shifting rod is shifted downwards, the grounding interlocking plate rotates around the first positioning sliding pin and drives the grounding interlocking shaft to move upwards; the opening interlocking mechanism comprises an opening interlocking shaft, an opening interlocking plate and a second positioning sliding pin, the bottom end of the opening interlocking shaft is fixedly connected with the top end of the opening interlocking plate, the opening interlocking plate penetrates through the second positioning sliding pin, a baffle plate used for pushing the opening interlocking plate is further arranged on the lower door, and when the opening interlocking plate is pushed, the opening interlocking plate rotates around the second positioning sliding pin and drives the opening interlocking shaft to move downwards.
Further, the grounding interlocking mechanism further comprises a grounding interlocking bracket and a first interlocking fixing bracket; the first interlocking fixing support comprises first vertical plates, two sides of each first vertical plate are respectively provided with a second vertical plate, the second vertical plates are perpendicular to the first vertical plates, the two second vertical plates and the first vertical plates are integrally formed, the first interlocking fixing support is fixedly installed in the mechanism chamber through one of the second vertical plates, the two second vertical plates are respectively arranged on two sides of the grounding interlocking plate, the two second vertical plates are both arranged on the first positioning sliding pins in a penetrating manner, and the first vertical plates are arranged on the shifting lever in a penetrating manner; the grounding interlocking support comprises a third vertical plate, first transverse plates are arranged at two ends of one side surface of the third vertical plate respectively and are perpendicular to the third vertical plate, the two first transverse plates and the third vertical plate are integrally formed, the grounding interlocking support is fixedly installed in a mechanism chamber through the third vertical plate, and the two first transverse plates are arranged on a grounding interlocking shaft in a penetrating and sleeving mode.
Furthermore, a first spring is further sleeved on the grounding interlocking shaft and arranged between the two first transverse plates.
Furthermore, one end of the first positioning sliding pin is provided with a first split pin.
Furthermore, a wafer is arranged at the position, contacted with the grounding interlocking shaft, of the grounding interlocking plate, the wafer and the grounding interlocking plate are integrally formed, and the wafer is contacted with one end of the grounding interlocking shaft.
Furthermore, the opening interlocking mechanism also comprises an opening interlocking support and a second interlocking fixing support, the second interlocking fixing support comprises fourth vertical plates, fifth vertical plates are respectively arranged on two sides of each fourth vertical plate, the fourth vertical plates are vertical to the fifth vertical plates, the two fifth vertical plates and the fourth vertical plates are integrally formed, the second interlocking fixing support is fixedly installed in the mechanism chamber through one of the fifth vertical plates, the two fifth vertical plates are respectively arranged on two sides of the opening interlocking plate, and the two fifth vertical plates are both arranged on a second positioning sliding pin in a penetrating mode; the separating brake interlocking support comprises a sixth vertical plate, two ends of the sixth vertical plate are respectively provided with a second transverse plate, the second transverse plates are perpendicular to the sixth vertical plate, the two second transverse plates and the sixth vertical plate are integrally formed, the separating brake interlocking support is fixedly installed in a mechanism chamber through the sixth vertical plate, and the two second transverse plates are arranged on a separating brake interlocking shaft in a penetrating mode.
Furthermore, a second spring is sleeved on the opening interlocking shaft and arranged between the two second transverse plates.
Furthermore, one end of the second positioning sliding pin is provided with a second split pin.
Furthermore, a limiting plate used for enabling the opening interlocking shaft to move up and down is arranged on a second transverse plate close to the opening interlocking plate.
Furthermore, the grounding interlocking plate is T-shaped, one end of a cross rod of the T-shaped grounding interlocking plate is fixedly connected with the shifting rod, the other end of the cross rod of the T-shaped grounding interlocking plate is contacted with the bottom end of the grounding interlocking shaft, the cross rod of the T-shaped grounding interlocking plate is arranged on the first positioning sliding pin in a penetrating mode, and a hook part of a vertical rod of the T-shaped grounding interlocking plate is clamped in the notch; the opening interlocking plate is sickle-shaped, one end of a cross rod of the sickle-shaped opening interlocking plate is fixedly connected with the bottom end of the opening interlocking shaft, the other end of the cross rod of the sickle-shaped opening interlocking plate penetrates through the second positioning sliding pin, and a vertical rod of the sickle-shaped opening interlocking plate is pushed through the baffle.
Compared with the prior art, the invention has the beneficial effects that:
the interlocking device for the lower door of the switch cabinet comprises a grounding interlocking mechanism and a separating brake interlocking mechanism, when the switch is not grounded, the top end of a grounding interlocking shaft is jacked by the mechanism and cannot act, so that a driving lever is limited from being incapable of operating, a hook part of a grounding interlocking plate is clamped in a notch and cannot move, and the lower door cannot be lifted upwards and opened; when the switch is grounded, the top end of the grounding interlocking shaft is not propped by the mechanism, the deflector rod can be freely operated, when the deflector rod is downwards pulled, the grounding interlocking plate rotates around the first positioning sliding pin, the hook part of the grounding interlocking plate moves out of the notch and drives the grounding interlocking shaft to upwards move, and the lower door can be upwards lifted and opened;
when the lower door is not closed, the opening interlocking plate is in a free state, and the position of the opening interlocking shaft can block the operation of an opening button, so that the breaker cannot be opened; when the lower door is closed, the opening interlocking plate is pushed by a baffle on the lower door, the opening interlocking plate rotates around the second positioning sliding pin and drives the opening interlocking shaft to move downwards, the opening button is not blocked at the moment, and the breaker can be normally opened;
the lower door can be opened only when the switch is grounded, and the breaker can perform opening operation only when the lower door is closed;
the invention ensures that the grounding and the opening operation are more reliable through the grounding interlocking mechanism and the opening interlocking mechanism, ensures the safety of the switch, has simple structure, small volume, lower cost, convenient installation and simple operation, and is suitable for the interlocking of the lower door of the switch cabinet.
Drawings
Fig. 1 is a schematic structural diagram of a grounding interlocking mechanism in a lower door interlocking device of a switch cabinet according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a separating-brake interlocking mechanism in a lower-door interlocking device of a switch cabinet according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a grounding interlocking plate in a lower door interlocking device of a switch cabinet according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a switching-off interlocking plate in a lower door interlocking device of a switch cabinet according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a switchgear lower door interlock device according to an embodiment of the present invention in a state where the device is installed between a mechanism room and a lower door;
FIG. 6 is a schematic structural diagram of a lower door provided in an embodiment of the present invention;
fig. 7 is a schematic structural view of a switch cabinet lower door interlocking device provided by the embodiment of the invention in another state when the switch cabinet lower door interlocking device is arranged between a mechanism chamber and a lower door.
In the figure: 1-grounding interlocking mechanism, 101-grounding interlocking shaft, 102-grounding interlocking plate, 103-deflector rod, 104-first positioning sliding pin, 105-grounding interlocking support, 106-first interlocking fixing support, 107-first vertical plate, 108-second vertical plate, 109-third vertical plate, 110-first transverse plate, 111-first spring, 112-first split pin, 113-wafer, 2-opening interlocking mechanism, 201-opening interlocking shaft, 202-opening interlocking plate, 203-second positioning sliding pin, 204-opening interlocking support, 205-second interlocking fixing support, 206-fourth vertical plate, 207-fifth vertical plate, 208-sixth vertical plate, 209-second transverse plate, 210-second spring, 211-second split pin, 212-limiting plate, 3-mechanism chamber, 4-lower door, 401-notch and 402-baffle.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2 and 5-7, the lower door interlock device for a switch cabinet according to an embodiment of the present invention includes an earthing interlock mechanism 1 and an opening interlock mechanism 2, where the earthing interlock mechanism 1 and the opening interlock mechanism 2 are both disposed between a mechanism chamber 3 and a lower door 4; the grounding interlocking mechanism 1 comprises a grounding interlocking shaft 101, a grounding interlocking plate 102, a shifting rod 103 and a first positioning sliding pin 104, the bottom end of the grounding interlocking shaft 101 is contacted with the top end of the grounding interlocking plate 102, the shifting rod 103 is fixedly connected with the grounding interlocking plate 102, the grounding interlocking plate 102 is arranged on the first positioning sliding pin 104 in a penetrating mode, a notch 401 used for clamping a hook part of the grounding interlocking plate 102 is formed in the lower door 4, and when the shifting rod 103 is shifted downwards, the grounding interlocking plate 102 rotates around the first positioning sliding pin 104 and drives the grounding interlocking shaft 101 to move upwards; the opening interlocking mechanism 2 comprises an opening interlocking shaft 201, an opening interlocking plate 202 and a second positioning sliding pin 203, the bottom end of the opening interlocking shaft 201 is fixedly connected with the top end of the opening interlocking plate 202, the opening interlocking plate 202 is arranged on the second positioning sliding pin 203 in a penetrating mode, a baffle 402 used for pushing the opening interlocking plate 202 is further arranged on the lower door 4, and when the opening interlocking plate 202 is pushed, the opening interlocking plate 202 rotates around the second positioning sliding pin 203 and drives the opening interlocking shaft 201 to move downwards.
The ground interlock mechanism 1 further includes a ground interlock bracket 105 and a first interlock fixing bracket 106; the first interlocking fixing support 106 comprises a first vertical plate 107, two sides of the first vertical plate 107 are respectively provided with a second vertical plate 108, the second vertical plates 108 are perpendicular to the first vertical plate 107, the two second vertical plates 108 and the first vertical plate 107 are integrally formed, the first interlocking fixing support 106 is fixedly installed in the mechanism chamber 3 through one of the second vertical plates 108, the two second vertical plates 108 are respectively arranged on two sides of the grounding interlocking plate 102, the two second vertical plates 108 are both arranged on the first positioning sliding pin 104 in a penetrating manner, and the first vertical plate 107 is arranged on the driving lever 103 in a penetrating manner; the grounding interlocking support 105 comprises a third vertical plate 109, first transverse plates 110 are respectively arranged at two ends of one side surface of the third vertical plate 109, the first transverse plates 110 are perpendicular to the third vertical plate 109, the two first transverse plates 110 and the third vertical plate 109 are integrally formed, the grounding interlocking support 105 is fixedly installed in the mechanism chamber 3 through the third vertical plate 109, and the two first transverse plates 110 are sleeved on the grounding interlocking shaft 101.
The grounding interlocking shaft 101 is further sleeved with a first spring 111, the first spring 111 is arranged between the two first transverse plates 110, and the first spring 111 is used for resetting the grounding interlocking shaft 101.
The first positioning slide pin 104 has a first cotter pin 112 at one end.
A wafer 113 is disposed at a position of the grounding interlocking plate 102, which is in contact with the grounding interlocking shaft 101, the wafer 113 and the grounding interlocking plate 102 are integrally formed, and the wafer 113 is in contact with one end of the grounding interlocking shaft 101.
The opening interlocking mechanism 2 further comprises an opening interlocking support 204 and a second interlocking support 205, the second interlocking support 205 comprises a fourth vertical plate 206, fifth vertical plates 207 are respectively arranged on two sides of the fourth vertical plate 206, the fourth vertical plate 206 is perpendicular to the fifth vertical plates 207, the two fifth vertical plates 207 and the fourth vertical plate 206 are integrally formed, the second interlocking support 205 is fixedly installed in the mechanism chamber 3 through one of the fifth vertical plates 207, the two fifth vertical plates 207 are respectively arranged on two sides of the opening interlocking plate 202, and the two fifth vertical plates 207 are respectively arranged on the second positioning sliding pins 203; the opening interlocking support 204 comprises a sixth vertical plate 208, two ends of the sixth vertical plate 208 are respectively provided with a second transverse plate 209, the second transverse plate 209 is perpendicular to the sixth vertical plate 208, the two second transverse plates 209 and the sixth vertical plate 208 are integrally formed, the opening interlocking support 204 is fixedly installed in the mechanism chamber 3 through the sixth vertical plate 208, and the two second transverse plates 209 are arranged on the opening interlocking shaft 201 in a penetrating mode.
The second spring 210 is further sleeved on the opening interlocking shaft 201, the second spring 210 is arranged between the two second cross plates 209, and the second spring 210 is used for resetting the opening interlocking shaft 201.
One end of the second positioning sliding pin 203 is provided with a second cotter pin 211.
A second transverse plate 209 close to the opening interlocking plate 202 is provided with a limiting plate 212 for enabling the opening interlocking shaft 201 to move up and down, and the limiting plate 212 can ensure that the opening interlocking shaft 201 can only move up and down and can not move back and forth.
As shown in fig. 3 and 4, the grounding interlocking plate 102 is t-shaped, one end of a cross bar of the t-shaped grounding interlocking plate 102 is fixedly connected with the shift lever 103, the other end of the cross bar of the t-shaped grounding interlocking plate 102 is in contact with the bottom end of the grounding interlocking shaft 101, the cross bar of the t-shaped grounding interlocking plate 102 is arranged on the first positioning sliding pin 104 in a penetrating manner, and a vertical bar hook part of the t-shaped grounding interlocking plate 102 is clamped in the notch 401; the opening interlocking plate 202 is sickle-shaped, one end of a cross rod of the sickle-shaped opening interlocking plate 202 is fixedly connected with the bottom end of the opening interlocking shaft 201, the other end of the cross rod of the sickle-shaped opening interlocking plate 202 penetrates through the second positioning sliding pin 203, and a vertical rod of the sickle-shaped opening interlocking plate 202 is pushed through the baffle 402.
The working principle is as follows:
when the lower door 4 is not closed, the opening interlocking plate 202 is in a free state, and the position of the opening interlocking shaft 201 at the moment can block the operation of the opening button, so that the breaker cannot be opened;
when the lower door 4 is closed, the vertical rod of the sickle-shaped opening interlocking plate 202 is pushed by the baffle 402 on the lower door 4, the opening interlocking plate 202 rotates around the second positioning sliding pin 203 and drives the opening interlocking shaft 201 to move downwards, the opening button is not blocked at the moment, and the breaker can be normally opened;
when the lower door 4 is closed, if the switch is not grounded, the top end of the grounding interlocking shaft 101 is propped by the mechanism and cannot act, so that the limiting shift lever 103 cannot operate, the vertical rod hook part of the T-shaped grounding interlocking plate 102 is clamped in the notch 401 and cannot move, and the lower door cannot be lifted upwards and opened;
when the lower door 4 is closed, if the switch is grounded, the top end of the grounding interlocking shaft 101 is not supported by the mechanism, the shift lever 103 can be freely operated, when the shift lever 103 is shifted downwards, the grounding interlocking plate 102 rotates around the first positioning sliding pin 104, the vertical rod hook part of the T-shaped grounding interlocking plate 102 moves out of the notch 401, the grounding interlocking shaft 101 is driven to move upwards, and the lower door 4 can be lifted upwards and opened.
Only when the switch is in the ground state, lower door 4 can open, and only when lower door 4 closed, the circuit breaker just can carry out the separating brake operation.
The invention ensures that the grounding and the opening operation are more reliable through the grounding interlocking mechanism 1 and the opening interlocking mechanism 2, ensures the safety of the switch, has simple structure, small volume, lower cost, convenient installation and simple operation, and is suitable for interlocking the lower door of the switch cabinet.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a cubical switchboard is interlock device down which characterized in that: the device comprises a grounding interlocking mechanism (1) and an opening interlocking mechanism (2), wherein the grounding interlocking mechanism (1) and the opening interlocking mechanism (2) are arranged between a mechanism chamber (3) and a lower door (4); the grounding interlocking mechanism (1) comprises a grounding interlocking shaft (101), a grounding interlocking plate (102), a shifting rod (103) and a first positioning sliding pin (104), the bottom end of the grounding interlocking shaft (101) is in contact with the top end of the grounding interlocking plate (102), the shifting rod (103) is fixedly connected with the grounding interlocking plate (102), the grounding interlocking plate (102) is arranged on the first positioning sliding pin (104) in a penetrating mode, a notch (401) used for clamping and arranging a hook part of the grounding interlocking plate (102) is formed in the lower door (4), and when the shifting rod (103) is shifted downwards, the grounding interlocking plate (102) rotates around the first positioning sliding pin (104) and drives the grounding interlocking shaft (101) to move upwards; the opening interlocking mechanism (2) comprises an opening interlocking shaft (201), an opening interlocking plate (202) and a second positioning sliding pin (203), the bottom end of the opening interlocking shaft (201) is fixedly connected with the top end of the opening interlocking plate (202), the opening interlocking plate (202) is arranged on the second positioning sliding pin (203) in a penetrating mode, a baffle (402) used for pushing the opening interlocking plate (202) is further arranged on the lower door (4), and when the opening interlocking plate (202) is pushed, the opening interlocking plate (202) rotates around the second positioning sliding pin (203) and drives the opening interlocking shaft (201) to move downwards.
2. The switchgear cabinet lower door interlock device according to claim 1, wherein: the grounding interlocking mechanism (1) further comprises a grounding interlocking bracket (105) and a first interlocking fixing bracket (106); the first interlocking fixing support (106) comprises a first vertical plate (107), wherein second vertical plates (108) are arranged on two sides of the first vertical plate (107) respectively, the second vertical plates (108) are perpendicular to the first vertical plate (107), the two second vertical plates (108) and the first vertical plate (107) are integrally formed, the first interlocking fixing support (106) is fixedly installed in the mechanism chamber (3) through one of the second vertical plates (108), the two second vertical plates (108) are arranged on two sides of the grounding interlocking plate (102) respectively, the two second vertical plates (108) are arranged on a first positioning sliding pin (104) in a penetrating mode, and the first vertical plate (107) is arranged on the shifting lever (103) in a penetrating mode; ground connection interlocking support (105) include third riser (109), the both ends of third riser (109) a side are equipped with first diaphragm (110) respectively, first diaphragm (110) are perpendicular mutually with third riser (109), and two first diaphragms (110) and third riser (109) are integrated into one piece, ground connection interlocking support (105) are passed through third riser (109) fixed mounting in mechanism room (3), and two first diaphragms (110) are worn to overlap and are located on ground connection interlocking axle (101).
3. The switchgear cabinet lower door interlock device according to claim 2, wherein: the grounding interlocking shaft (101) is further sleeved with a first spring (111), and the first spring (111) is arranged between the two first transverse plates (110).
4. The switchgear cabinet lower door interlock device according to claim 2, wherein: one end of the first positioning sliding pin (104) is provided with a first split pin (112).
5. The switchgear cabinet lower door interlock device according to claim 1, wherein: a wafer (113) is arranged at the position, contacted with the grounding interlocking shaft (101), of the grounding interlocking plate (102), the wafer (113) and the grounding interlocking plate (102) are integrally formed, and the wafer (113) is contacted with one end of the grounding interlocking shaft (101).
6. The switchgear cabinet lower door interlock device according to claim 1, wherein: the opening interlocking mechanism (2) further comprises an opening interlocking support (204) and a second interlocking fixing support (205), the second interlocking fixing support (205) comprises a fourth vertical plate (206), fifth vertical plates (207) are arranged on two sides of the fourth vertical plate (206), the fourth vertical plate (206) is perpendicular to the fifth vertical plates (207), the two fifth vertical plates (207) and the fourth vertical plate (206) are integrally formed, the second interlocking fixing support (205) is fixedly installed in the mechanism chamber (3) through one of the fifth vertical plates (207), the two fifth vertical plates (207) are arranged on two sides of the opening interlocking plate (202) respectively, and the two fifth vertical plates (207) are arranged on the second positioning sliding pin (203) in a penetrating mode; separating brake interlocking support (204) include sixth riser (208), the both ends of sixth riser (208) are equipped with second diaphragm (209) respectively, second diaphragm (209) are perpendicular with sixth riser (208) mutually, and two second diaphragms (209) are integrated into one piece with sixth riser (208), separating brake interlocking support (204) are through sixth riser (208) fixed mounting in mechanism room (3), and two second diaphragms (209) are all worn to locate on separating brake interlocking axle (201).
7. The switchgear cabinet lower door interlock device according to claim 6, wherein: and a second spring (210) is further sleeved on the opening interlocking shaft (201), and the second spring (210) is arranged between the two second transverse plates (209).
8. The switchgear cabinet lower door interlock device according to claim 6, wherein: one end of the second positioning sliding pin (203) is provided with a second split pin (211).
9. The switchgear cabinet lower door interlock device according to claim 6, wherein: a limiting plate (212) used for enabling the opening interlocking shaft (201) to move up and down is arranged on a second transverse plate (209) close to the opening interlocking plate (202).
10. The switchgear cabinet lower door interlock device according to claim 1, wherein: the grounding interlocking plate (102) is T-shaped, one end of a cross bar of the T-shaped grounding interlocking plate (102) is fixedly connected with a shifting rod (103), the other end of the cross bar of the T-shaped grounding interlocking plate (102) is contacted with the bottom end of a grounding interlocking shaft (101), the cross bar of the T-shaped grounding interlocking plate (102) is arranged on a first positioning sliding pin (104) in a penetrating mode, and a vertical bar hook part of the T-shaped grounding interlocking plate (102) is clamped in a notch (401); the tripping interlocking plate (202) is sickle-shaped, one end of a cross bar of the sickle-shaped tripping interlocking plate (202) is fixedly connected with the bottom end of a tripping interlocking shaft (201), the other end of the cross bar of the sickle-shaped tripping interlocking plate (202) is arranged on a second positioning sliding pin (203) in a penetrating mode, and a vertical bar of the sickle-shaped tripping interlocking plate (202) is pushed through a baffle (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011143939.5A CN112366103B (en) | 2020-10-23 | 2020-10-23 | Lower door interlocking device of switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011143939.5A CN112366103B (en) | 2020-10-23 | 2020-10-23 | Lower door interlocking device of switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112366103A CN112366103A (en) | 2021-02-12 |
| CN112366103B true CN112366103B (en) | 2022-08-12 |
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ID=74511737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011143939.5A Active CN112366103B (en) | 2020-10-23 | 2020-10-23 | Lower door interlocking device of switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112366103B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936940B (en) * | 2021-10-19 | 2024-04-26 | 江苏大烨智能电气股份有限公司 | Lower door interlock of direct-acting upper isolation breaker |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203351459U (en) * | 2013-07-23 | 2013-12-18 | 北京合纵科技股份有限公司 | Interlocking device between load switch operating mechanism and switch cabinet lower gate |
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2020
- 2020-10-23 CN CN202011143939.5A patent/CN112366103B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203351459U (en) * | 2013-07-23 | 2013-12-18 | 北京合纵科技股份有限公司 | Interlocking device between load switch operating mechanism and switch cabinet lower gate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112366103A (en) | 2021-02-12 |
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