CN213989696U - Electric power cabinet with prevent hindering harm function - Google Patents
Electric power cabinet with prevent hindering harm function Download PDFInfo
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- CN213989696U CN213989696U CN202022986287.3U CN202022986287U CN213989696U CN 213989696 U CN213989696 U CN 213989696U CN 202022986287 U CN202022986287 U CN 202022986287U CN 213989696 U CN213989696 U CN 213989696U
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Abstract
The utility model belongs to the field of electric power cabinet protection, in particular to an electric power cabinet with an injury prevention function, which comprises a cabinet body, a cabinet door and a hinge, wherein the cabinet body is rotationally connected with the cabinet door through the hinge, the lower surface in the cabinet body is fixedly connected with a rotating shaft by the left side, the rotating shaft is rotationally connected with a rotating drum above the rotating shaft, the outer surface of the rotating drum is wound with a steel cable, the upper end of a guide rod passes through a rectangular groove and is fixedly connected with a moving contact, the moving contact is arranged at the middle part in the injury prevention box body, the horizontal part side surface of the upper end of the guide rod is slidably connected with the side surface of the rectangular groove, the normally closed contact is electrically connected with an electric appliance element in the cabinet body through a wire, the moving contact is electrically connected with a power supply through a wire, the normally open contact is electrically connected with a grounding post through a wire, when a maintenance person opens the cabinet door, just can make cabinet body inside be in the outage state, prevent that maintenance personal from taking place the dangerous characteristics of electrocuting at the in-process of maintenance.
Description
Technical Field
The utility model relates to an electric power cabinet protection technical field specifically is an electric power cabinet with prevent hindering the evil function.
Background
An electric power cabinet, also called a distribution cabinet, refers to a box for placing electric appliances and their lines, and is used for distributing electric power energy, and is generally called a power distribution center. The electric power cabinet is mainly and centrally installed in a transformer substation and distributes electric energy to subordinate power distribution equipment in different places. Generally, power distribution cabinets are classified into power distribution cabinets, lighting distribution cabinets and metering cabinets, and are final-stage equipment of a power distribution system, and the power distribution cabinets are mainly used in occasions with dispersed loads and less loops, distribute electric energy of a certain circuit of upper-stage power distribution equipment to nearby loads, and can provide protection, monitoring and control for the loads.
When the electric power cabinet breaks down, dangerous personnel need open the cabinet door and maintain the electrical components who is located the internal portion of cabinet, but when maintaining, if the maintenance personal forgets to the electric power cabinet and forgets the outage, the danger of electrocuteeing can take place for the maintenance personal in the maintenance.
In order to solve the problem, the application provides an electric power cabinet with prevent hindering the harmful function.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem among the background art, the utility model provides an electric power cabinet with prevent hindering the function has and can make when maintenance personal opens the cabinet door, just can make the internal portion of cabinet be in the outage state, prevents that maintenance personal from taking place the dangerous characteristics of electric shock at the in-process of maintenance.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the electric power cabinet with the injury prevention function comprises a cabinet body, a cabinet door and a hinge, wherein the cabinet body is rotatably connected with the cabinet door through the hinge, the lower surface inside the cabinet body is fixedly connected with a rotating shaft close to the left side, the upper part of the rotating shaft is rotatably connected with a rotating drum, the outer surface of the rotating drum is wound with a steel cable, the other end of the steel cable is fixedly connected with a fixing hole, the fixing hole is formed in the inner side surface of the cabinet door, a connecting rod is fixedly connected above the rotating drum, a ball screw is fixedly connected to the upper end of the connecting rod, the upper end of the ball screw is in threaded connection with the lower surface of an injury prevention box body, the outer surface of the ball screw is in threaded connection with a screw sleeve, the upper end of the screw sleeve is fixedly connected with two guide rods, the two guide rods are symmetrically arranged about the vertical central line of the injury prevention box body, a normally open contact is fixedly connected to the upper part inside the injury prevention box body, and a normally closed contact is fixedly connected to the lower part of the inside the injury prevention box body, the anti-damage cabinet is characterized in that a rectangular groove is formed in the side face of the anti-damage box body between the normally open contact and the normally closed contact, a moving contact is fixedly connected to the upper end of the guide rod in a penetrating mode and arranged in the middle of the interior of the anti-damage box body, the side face of the horizontal portion of the upper end of the guide rod is connected to the side face of the rectangular groove in a sliding mode, the normally closed contact is electrically connected with an electrical component inside the cabinet body through a wire, the moving contact is electrically connected with a power source through the wire, and the normally open contact is electrically connected with a grounding column through the wire.
Preferably, the supporting legs are fixedly connected to the lower portion of the cabinet body, and the supporting legs are triangular.
Preferably, the grounding column is fixedly connected with the lower side surface of the cabinet body, and the lower end of the grounding column is inserted into the ground.
Preferably, an observation window is formed in the surface of the cabinet door, and a ball screw is arranged right behind the observation window.
Preferably, the damage-proof box body and the guide rod are both made of insulating materials.
Preferably, the outer surface of the wire rope and the outer surface of the drum are both provided as a roughened surface.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the electric power cabinet with the injury prevention function comprises a rotating shaft, a rotating drum and a steel cable, wherein the rotating shaft is used for supporting the rotating drum to rotate, and the steel cable rotates the rotating drum according to friction force, so that the rotating drum drives a ball screw to rotate through a connecting rod;
the electric power cabinet with the injury prevention function is characterized in that the ball screw, the threaded sleeve and the guide rod are arranged, in the rotating process of the ball screw, the threaded sleeve changes the rotary motion of the ball screw into linear motion, the threaded sleeve moves up and down on the ball screw, so that the guide rod moves up and down, and the power on and power off of the cabinet body are controlled;
three, have the electric power cabinet of preventing hindering the harmful function, guide bar through setting up, the moving contact, the normally closed contact has and normally open the contact has, the guide bar reciprocates, make to drive the moving contact can contact respectively with normally closed contact and normally open contact, when moving contact and normally open contact contacted, the cabinet body is in the outage state, when moving contact and normally closed contact contacted, the cabinet body is in the on-state, when maintenance personal maintains the electrical components of the internal portion of cabinet, the moving contact contacts with normally open contact, thereby reached and to make maintenance personal open the cabinet door when, just can make the internal portion of cabinet be in the outage state, prevent that maintenance personal from taking place the dangerous mesh of electric shock at the in-process of maintenance.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the drum and the ball screw;
FIG. 3 is a schematic view of the structure of the damage-proof box of the present invention;
fig. 4 is the cabinet door structure schematic diagram of the utility model.
In the figure: 1. a cabinet body; 2. a cabinet door; 3. a hinge; 4. the box body is prevented from being damaged; 5. a steel cord; 6. a fixing hole; 7. a ground post; 8. supporting legs; 9. a wire; 10. a rotating shaft; 11. a rotating drum; 12. a connecting rod; 13. a ball screw; 14. a threaded sleeve; 15. a guide bar; 16. a rectangular groove; 17. a normally closed contact; 18. a moving contact; 19. a normally open contact; 20. and (4) an observation window.
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.
Referring to fig. 1 to 4, the present invention provides a technical solution: electric power cabinet with prevent hindering harm function, it includes: the cabinet door comprises a steel cable 5, a rotary drum 11, a ball screw 13, an anti-injury box body 4 and a grounding column 7, when the cabinet door 2 is opened, the steel cable 5 is elongated, the rotary drum 11 rotates in the elongated process of the steel cable 5, the rotary drum 11 drives a connecting rod 12 and the ball screw 13 to rotate, a screw sleeve 14 changes the rotary motion of the ball screw 13 into linear motion, the screw sleeve 14 drives a guide rod 15 to move upwards, the guide rod 15 drives a movable contact 18 to move upwards, the movable contact 18 moves upwards and contacts with a normally open contact 19, the grounding column 7 is connected, and electricity in the cabinet body 1 is transmitted to the ground.
The electric power cabinet with the injury-preventing function comprises a cabinet body 1, a cabinet door 2 and a hinge 3, wherein the cabinet body 1 is rotatably connected with the cabinet door 2 through the hinge 3, the lower surface inside the cabinet body 1 is fixedly connected with a rotating shaft 10 near the left side, the upper part of the rotating shaft 10 is rotatably connected with a rotating drum 11, the outer surface of the rotating drum 11 is wound with a steel cable 5, the other end of the steel cable 5 is fixedly connected with a fixing hole 6, the fixing hole 6 is arranged on the inner side surface of the cabinet door 2, the upper part of the rotating drum 11 is fixedly connected with a connecting rod 12, the upper end of the connecting rod 12 is fixedly connected with a ball screw 13, the upper end of the ball screw 13 is in threaded connection with the lower surface of an injury-preventing box 4, the outer surface of the ball screw 13 is in threaded connection with a screw sleeve 14, the upper end of the screw sleeve 14 is fixedly connected with two guide rods 15, the two guide rods 15 are symmetrically arranged around the vertical central line of the injury-preventing box 4, the upper part inside of the injury-preventing box 4 is fixedly connected with a normally open contact 19, the lower part of the injury-preventing box 4 is fixedly connected with a normally closed contact 17, the rectangular channel 16 has been seted up to the side of preventing hindering harmful box 4 between normally open contact 19 and the normally closed contact 17, the rectangular channel 16 fixedly connected with moving contact 18 is passed to guide bar 15 upper end, moving contact 18 sets up and is preventing hindering the inside middle part of harmful box 4, guide bar 15 upper end horizontal segment side sliding connection is in the side of rectangular channel 16, normally closed contact 17 has the inside electrical components of cabinet body 1 through wire 9 electric connection, moving contact 18 has the power through wire 9 electric connection, normally open contact 19 has earthing pole 7 through wire 9 electric connection.
In order to increase the distance between the lower surface of the cabinet body 1 and the ground, the inside of the cabinet body 1 is ventilated conveniently, the inside of the cabinet body 1 is kept dry, supporting legs 8 are fixedly connected to the lower portion of the cabinet body 1, the shapes of the supporting legs 8 are triangular, the supporting legs 8 are arranged to be triangular, and the stability of the supporting legs 8 can be improved.
In order to guide power of a power supply externally connected with the cabinet body 1 into the ground and prevent electric shock hazard when maintenance personnel maintain electrical elements inside the cabinet body 1, the grounding column 7 is fixedly connected with the lower side surface of the cabinet body 1, and the lower end of the grounding column 7 is inserted into the ground.
After the maintenance is finished, a maintenance worker manually rotates the ball screw 13, the ball screw 13 rotates the rotary drum 11 through the connecting rod 12, the elongated steel cable 5 is wound on the rotary drum 11 again, meanwhile, the movable contact 18 and the normally closed contact 17 are in contact again to supply power to each electrical component in the cabinet body 1, the surface of the cabinet door 2 is provided with an observation window 20, and the ball screw 13 is arranged right behind the observation window 20.
So that the damage-proof box body 4 and the guide rod 15 can not conduct electricity, and the damage-proof box body 4 and the guide rod 15 are both made of insulating materials.
The friction between the steel cable 5 and the rotary drum 11 is increased, the steel cable 5 can be better wound and released through the rotary drum 11, and the outer surface of the steel cable 5 and the outer surface of the rotary drum 11 are both rough surfaces.
The working principle is as follows: the cabinet door 2 is opened, in a state that the hinge 3 is used as a supporting point, in a rotating process of the cabinet door 2, the steel cable 5 is lengthened, the rotary drum 11 rotates in the lengthened process of the steel cable 5, the rotary drum 11 drives the connecting rod 12 and the ball screw 13 to rotate, the screw sleeve 14 changes the rotary motion of the ball screw 13 into linear motion, the screw sleeve 14 drives the guide rod 15 to move upwards, the guide rod 15 drives the movable contact 18 to move upwards, the movable contact 18 moves upwards to be in contact with the normally open contact 19, the grounding column 7 is connected, electricity in the cabinet body 1 is transmitted to the ground, after maintenance is completed, a maintenance worker manually rotates the ball screw 13, the ball screw 13 rotates the rotary drum 11 through the connecting rod 12, the lengthened steel cable 5 is wound on the rotary drum 11 again, meanwhile, the movable contact 18 and the normally closed contact 17 are in contact again, and power is supplied to all electrical components in the cabinet body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Electric power cabinet with prevent hindering evil function, including the cabinet body (1), cabinet door (2) and hinge (3), the cabinet body (1) rotates through hinge (3) and is connected with cabinet door (2), its characterized in that: the cabinet is characterized in that a rotating shaft (10) is fixedly connected to the lower surface inside the cabinet body (1) by the left side, a rotating drum (11) is rotatably connected to the upper portion of the rotating shaft (10), a steel cable (5) is wound on the outer surface of the rotating drum (11), a fixing hole (6) is fixedly connected to the other end of the steel cable (5), the fixing hole (6) is formed in the inner side surface of the cabinet door (2), a connecting rod (12) is fixedly connected to the upper portion of the rotating drum (11), a ball screw (13) is fixedly connected to the upper end of the connecting rod (12), the upper end of the ball screw (13) is in threaded connection with the lower surface of the injury-proof box body (4), a screw sleeve (14) is in threaded connection with the outer surface of the ball screw sleeve (13), two guide rods (15) are fixedly connected to the upper end of the screw sleeve (14), the two guide rods (15) are symmetrically arranged on the vertical central line of the injury-proof box body (4), and a normally open contact (19) is fixedly connected to the upper portion inside the injury-proof box body (4), prevent injuring inside below fixedly connected with normally closed contact (17) of box (4), rectangular channel (16) have been seted up to the side of preventing injuring box (4) between normally open contact (19) and normally closed contact (17), rectangular channel (16) fixedly connected with moving contact (18) are passed to guide bar (15) upper end, moving contact (18) set up and prevent injuring the inside middle part of box (4), horizontal portion side sliding connection in the side of rectangular channel (16) is gone up in guide bar (15), normally closed contact (17) have the inside electrical components of cabinet body (1) through wire (9) electric connection, moving contact (18) have the power through wire (9) electric connection, normally open contact (19) have earthing pole (7) through wire (9) electric connection.
2. The electric power cabinet with damage prevention function according to claim 1, characterized in that: the cabinet body (1) below fixedly connected with supporting legs (8), supporting legs (8) are triangle-shaped.
3. The electric power cabinet with damage prevention function according to claim 1, characterized in that: ground post (7) fixed connection and cabinet body (1) downside, ground post (7) lower extreme inserts in the ground.
4. The electric power cabinet with damage prevention function according to claim 1, characterized in that: an observation window (20) is formed in the surface of the cabinet door (2), and a ball screw (13) is arranged right behind the observation window (20).
5. The electric power cabinet with damage prevention function according to claim 1, characterized in that: the injury-preventing box body (4) and the guide rod (15) are both made of insulating materials.
6. The electric power cabinet with damage prevention function according to claim 1, characterized in that: the outer surface of the steel cable (5) and the outer surface of the rotary drum (11) are both provided with rough surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022986287.3U CN213989696U (en) | 2020-12-10 | 2020-12-10 | Electric power cabinet with prevent hindering harm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022986287.3U CN213989696U (en) | 2020-12-10 | 2020-12-10 | Electric power cabinet with prevent hindering harm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213989696U true CN213989696U (en) | 2021-08-17 |
Family
ID=77242924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022986287.3U Active CN213989696U (en) | 2020-12-10 | 2020-12-10 | Electric power cabinet with prevent hindering harm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213989696U (en) |
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2020
- 2020-12-10 CN CN202022986287.3U patent/CN213989696U/en active Active
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