CN114050498B - Shutter locking mechanism and switch cabinet thereof - Google Patents
Shutter locking mechanism and switch cabinet thereof Download PDFInfo
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- CN114050498B CN114050498B CN202210029395.2A CN202210029395A CN114050498B CN 114050498 B CN114050498 B CN 114050498B CN 202210029395 A CN202210029395 A CN 202210029395A CN 114050498 B CN114050498 B CN 114050498B
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- valve
- crank arm
- handcart
- fixed
- rod
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/04—Isolating-contacts, e.g. mountings or shieldings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention provides a valve locking mechanism and a switch cabinet thereof, comprising a mounting frame, a crank arm mechanism, a sliding groove, an upper valve, a lower valve, a sliding block, an upper connecting rod, a lower connecting rod, a buffering fixing mechanism, an access door, a pushing mechanism and an impact frame, wherein the upper valve and the lower valve are guided by the sliding groove to move up and down, so that friction can be effectively reduced, the upper valve and the lower valve can move up and down more smoothly, when the upper valve and the lower valve are closed, a ball buckle can be clamped in a ball seat to fix the upper valve and the lower valve to a certain extent, and when the upper valve and the lower valve are shaken, a damping spring and a damping pad absorb vibration to reduce damage of the upper valve and the lower valve caused by vibration and the like, the motion of the pushing mechanism is collided by the impact frame on a handcart, the requirement on the motion precision of the handcart is reduced, the access openings are formed on the upper valve and the lower valve, the access hole is sealed through the access door that can open and close, very big improvement the installation effectiveness of equipment such as quiet contact.
Description
Technical Field
The invention relates to the technical field of distribution switch cabinets, in particular to a movable door locking mechanism and a switch cabinet thereof.
Background
The high-voltage chamber part of the existing metal armored movable switch cabinet body mainly comprises a bus chamber at the upper part of the rear side, a cable chamber or a PT chamber at the lower part of the rear side, a handcart is arranged in a handcart chamber at the middle part, a handcart is arranged in the handcart chamber, a circuit breaker is also arranged on some handcart, a contact box is arranged in the bus chamber and an upper contact box, lower contact boxes are arranged in the cable chamber or the PT chamber, the bus is connected with the upper contact box through a copper bar after entering the bus chamber, the lower contact box is connected with a cable or a voltage transformer through a copper bar, if the upper contact box and the lower contact box are electrically connected, the handcart is required to be in a working position, namely, the handcart is required to be pushed into the handcart chamber to be led, an upper moving contact and a lower moving contact of the handcart are respectively jointed with a static contact in the contact boxes, thus circuit connection can be realized after the circuit breaker is switched on, and in order to avoid that the static contacts of an incoming line and an outgoing line in the circuit breaker chamber are electrified to endanger the personal safety of an overhaul worker, a valve is usually arranged, and is opened when a moving contact of a handcart is about to be in a contact box, and is closed when the moving contact of the handcart is pulled out, so that a static contact of an incoming line and a static contact of an outgoing line are shielded, and an electrified contact box is sealed and isolated, so that the safety of maintenance personnel entering a cabinet for maintenance work is guaranteed;
the publication number is CN204577956U, which provides a valve mechanism of a high-voltage electric cabinet, and the valve mechanism drives a second connecting rod and a fourth connecting rod to move by pressing a main connecting rod, so that an upper valve and a lower valve are opened, although the locking of the valve can be realized, the following defects still exist, 1, the moving directions of the upper valve and the lower valve are only guided by an upper guide rod and a lower guide rod, so that the valve mechanism has large friction force when moving, is easy to clamp, and only has the connecting rod connected with the upper valve and the lower valve after the upper valve and the lower valve are closed, and the valve mechanism is easy to shake up and down and damage caused by collision in the transportation or hoisting process; 2. when the upper valve and the lower valve are pushed to move, the upper valve and the lower valve can be pushed only by accurately pressing the main connecting rod, and the structure on the handcart and the main connecting rod are tightly attached, so that the requirement on the movement precision of the handcart is high, and once the handcart moves to a certain extent, the movable contact of the handcart directly hits the valve to be damaged easily; 3. the movable contact box is characterized in that the movable contact box is provided with a fixed contact rod, the movable contact rod is connected with a movable contact box through a connecting rod, the movable contact box is provided with a fixed contact box, the fixed contact box is provided with a movable contact, the movable contact box is provided with a fixed contact box, the fixed contact box is provided with a fixed contact box, the movable contact box is provided with a movable contact box, and the movable contact box is provided with a fixed contact box.
Disclosure of Invention
The present invention is directed to a sliding door locking mechanism and a switch cabinet thereof, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a valve blocking mechanism, includes mounting bracket, crank arm mechanism, sliding tray, goes up valve, lower valve, sliding block, goes up connecting rod, lower connecting rod, buffering fixed establishment, access door, pushing mechanism and striking frame, wherein:
the sliding groove and the buffer fixing mechanism are arranged on a contact box partition plate of a handcart room of the switch cabinet, the sliding groove is arranged at the upper end and the lower end of the buffer fixing mechanism, sliding blocks are fixed on the side surfaces of the upper valve and the lower valve, the sliding blocks connected with the upper valve and the lower valve are respectively clamped in the sliding grooves at the upper end and the lower end of the buffer fixing mechanism, access holes matched with the positions of the contact boxes are formed in the upper valve and the lower valve, and openable access doors are arranged on the access holes;
the mounting frame fixed on two side walls of a handcart room of the switch cabinet is provided with a crank arm mechanism, the crank arm mechanism comprises a rotating part, an upper crank arm, a lower crank arm and a reset torsion spring, the rotating part is arranged on the mounting frame, one end of the upper crank arm and one end of the lower crank arm are arranged on the rotating part in a staggered and hinged mode, the other end of the upper crank arm and one end of the lower crank arm are respectively arranged on the lower connecting rod and the upper connecting rod in a hinged mode, the rotating part between the upper crank arm and the lower crank arm is sleeved with the reset torsion spring, and two ends of the reset torsion spring are respectively connected to the upper crank arm and the lower crank arm;
the other ends of the lower connecting rod and the upper connecting rod are respectively hinged and fixed on the side surfaces of the lower valve and the upper valve and are used for respectively driving the lower valve to move downwards and the upper valve to move upwards when the upper connecting rod and the lower connecting rod rotate around the rotating part;
buffer fixing mechanism detains by dead lever, guide bar, stopper, damping spring, shock pad, ball seat and ball and constitutes, the middle part of dead lever is provided with the damping groove, be provided with the guide bar in the damping groove, the upper and lower both ends of shock pad are provided with the stopper, two be connected with damping spring between stopper and the damping groove lateral wall, guide bar, stopper and shock pad all overlap on the guide bar, the lower extreme of going up the valve and the upper end of lower valve are fixed with the ball seat, two the upper end and the lower extreme of stopper are fixed with the ball and detain, and two balls are detained and are corresponded with the ball seat, the surface of shock pad evenly is provided with a plurality of fretwork shock attenuation holes that run through.
Preferably, the crank arm mechanism further comprises an upper rotating rod and a lower rotating rod, the upper rotating rod and the lower rotating rod are respectively fixed on the inner sides of the upper crank arm and the lower crank arm, the pushing mechanism comprises a pushing frame, a supporting rod, a supporting plate, a reset spring, a rubber pad and a mounting plate, the rubber pad is fixed on the outer side of the rear end of the pushing frame, a moving groove is formed in the rear end of the pushing frame, the supporting rod is arranged in the moving groove, the supporting plate is clamped in the moving groove and is far away from the rubber pad, the reset spring is arranged between the inner side walls of the supporting plate and the moving groove, the supporting plate and the reset spring are sleeved on the supporting rod, the mounting plate is fixed on the outer side of the supporting plate, the mounting plate is fixed on the side wall plate of the handcart chamber, the outer side of the pushing frame is provided with an upper positioning groove and a lower positioning groove, the upper positioning groove and the lower positioning groove are respectively clamped on the upper rotating rod and the lower rotating rod, the distance between the upper positioning groove and the lower positioning groove is gradually reduced backwards.
Preferably, the upper rotating rod and the lower rotating rod are both composed of a rotating rod and a rotating cylinder wrapped outside the rotating rod, and the rotating cylinder can rotate around the rotating rod.
Preferably, the upper crank arm and the lower crank arm are in L-shaped or V-shaped structures and are symmetrically arranged.
Preferably, the access door comprises a connecting hinge, a door panel, a sealing gasket, a first magnet and a second magnet, the upper end of the door panel is connected with an upper valve or a lower valve installed on the door panel through the connecting hinge, the sealing gasket is fixed on the inner side face of the door panel, the lower end of the door panel is fixed with the first magnet, and the second magnet is fixed at the position of the upper valve or the lower valve corresponding to the first magnet.
Preferably, the connecting hinge is made of an insulating material, and the surfaces of the first magnet and the second magnet are wrapped by a layer of insulating layer.
The invention also provides a switch cabinet, wherein the switch cabinet comprises a handcart chamber with a handcart and a valve mechanism, the valve mechanism adopts the valve locking mechanism, an installation frame of the valve locking mechanism is installed on a side wall plate of the handcart chamber, the sliding groove and the buffer fixing mechanism are installed on a contact box partition plate of the handcart chamber, and the impact frames are fixed on two sides of the handcart and correspond to the pushing mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1. in addition, when the upper valve and the lower valve are closed, the ball fastener can be clamped in the ball seat to fix the upper valve and the lower valve to a certain extent, the upper valve and the lower valve are not easy to shake, and the upper valve and the lower valve can push the limiting block through the ball fastener to extrude the damping spring and the damping pad to absorb vibration and reduce the damage to the upper valve and the lower valve caused by vibration and the like;
2. the pushing mechanism driving the crank arm mechanism to rotate is directly fixed on the side wall plate, the movement of the pushing mechanism is collided through the collision frame on the handcart so as to drive the handcart to move, the pushing mechanism and the handcart do not need to be precisely matched, only the collision frame can abut against one part of the pushing mechanism, the requirement on the movement precision of the handcart is reduced, and the hidden danger that the upper valve and the lower valve cannot be opened due to the movement deviation of the handcart can be effectively prevented;
3. the upper valve and the lower valve are provided with the access ports, the access ports are sealed through the openable access doors, when a static contact and a copper bar are installed in the contact box or the inside of the contact box is overhauled, the access doors only need to be opened to expose the access ports, and the access doors can be closed at other time, so that the safety is ensured, and the installation efficiency of equipment such as the static contact is greatly improved.
Drawings
FIG. 1 is a schematic view of the overall exploded structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic structural view of a buffering and fixing mechanism according to the present invention;
FIG. 4 is a schematic cross-sectional view of the buffering fixing mechanism according to the present invention;
FIG. 5 is a schematic structural view of a crank arm mechanism and a pushing mechanism according to the present invention;
FIG. 6 is a schematic view of the outer side of the pushing mechanism of the present invention;
FIG. 7 is a schematic view of the access door of the present invention;
FIG. 8 is a schematic view of the overall structure of the present invention;
FIG. 9 is a schematic view of a backside structure of the present invention.
In the figure: 1 mounting rack, 2 crank arm mechanism, 201 rotating part, 202 upper crank arm, 203 lower crank arm, 204 reset torsion spring, 205 upper rotating rod, 206 lower rotating rod, 3 sliding groove, 4 upper shutter, 5 lower shutter, 6 sliding block, 7 upper connecting rod, 8 lower connecting rod, 9 buffer fixing mechanism, 901 fixing rod, 902 guide rod, 903 limiting block, 904 shock absorbing spring, 905 shock absorbing pad, 906 ball seat, 907 ball button, 91 shock absorbing groove, 92 hollowed shock absorbing hole, 10 access door, 1001 connecting hinge, 1002 door panel, 1003 sealing pad, 1004 first magnet, 1005 second magnet, 101 access port, 11 pushing mechanism, 1101 pushing rack, 1102 supporting rod, 1103, 1104 reset spring, 1105 rubber pad, 1106 mounting plate, 111 moving groove, 112 upper positioning groove, 113 lower positioning groove, 12 impacting rack, 1005 contact box clapboard, 14 contact plate, 15 contact box.
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.
Example (b):
referring to fig. 1 to 9, the present invention provides a technical solution:
the utility model provides a valve blocking mechanism, includes mounting bracket 1, crank mechanism 2, sliding tray 3, goes up valve 4, lower valve 5, sliding block 6, goes up connecting rod 7, lower connecting rod 8, buffering fixed establishment 9, access door 10, pushing mechanism 11 and striking frame 12, wherein:
the sliding groove 3 and the buffering fixing mechanism 9 are installed on a contact box partition plate 13 of a handcart room of the switch cabinet, the sliding groove 3 is arranged at the upper end and the lower end of the buffering fixing mechanism 9, sliding blocks 6 are fixed on the side faces of the upper valve 4 and the lower valve 5, the sliding blocks 6 connected with the upper valve 4 and the lower valve 5 are respectively clamped in the sliding grooves 3 at the upper end and the lower end of the buffering fixing mechanism 9, the sliding blocks 6 can slide up and down in the sliding grooves 3, when the upper valve 4 and the lower valve 5 move up and down, the sliding blocks 6 move up and down in the sliding grooves 3, the up-and-down movement of the upper valve and the lower valve is guided through the matching of the sliding grooves 3 and the sliding blocks 6, friction can be effectively reduced, the up-and-down movement of the upper valve 4 and the lower valve 5 is smoother, and the problem of easy blocking is solved.
The buffer fixing mechanism 9 is composed of a fixing rod 901, a guide rod 902, a limit block 903, a damping spring 904, a damping pad 905, a ball seat 906 and a ball buckle 907, wherein a damping groove 91 is arranged in the middle of the fixing rod 901, the guide rod 902 is arranged in the damping groove 91, limit blocks 903 are arranged at the upper end and the lower end of the damping pad 905, the damping spring 904 is connected between the two limit blocks 903 and the side wall of the damping groove 91, the guide rod 902, the limit blocks 903 and the damping pad 905 are all sleeved on the guide rod 902, the limit blocks 903 and the damping pad 905 can move up and down along the guide rod 902 in the damping groove 91, the ball seat 906 is fixed at the lower end of the upper valve 4 and the upper end of the lower valve 5, the ball buckles 907 are fixed at the upper end and the lower end of the two limit blocks 903, the two ball buckles 907 correspond to the ball seat 906, and the ball seats 906 are fixed at the maintenance position when the upper valve 4 and the lower valve 5 are closed, that the two valves are not lifted, the ball door stopper can be connected and buckled together to form a ball door stopper in the prior art, when the upper valve 4 and the lower valve 5 move up and down, the ball buckle 907 can be driven to move up and down along with the upper valve 4 and the lower valve 5 under the action of external force to separate from the ball seat 906, when the upper valve 4 and the lower valve 5 are closed, the ball buckle 907 can be clamped in the ball seat 906 to connect the upper valve 4 and the lower valve 5 into a whole, the upper valve 4 and the lower valve 5 are fixed to a certain extent and are not easy to shake, a plurality of penetrating hollow damping holes 92 are uniformly formed in the surface of the damping pad 905, the damping pads 905 are easy to deform due to the addition of the damping holes 92, when the upper valve 4 and the lower valve 5 are closed, if the upper valve 4 and the lower valve 5 shake in the vertical direction during transportation or hoisting, and the ball seat 906 and a limiting block 903 connected with the upper valve 4 and the lower valve 5 are driven to move up and down through the ball buckle 907, when moving, the limiting block 903 may press the damping spring 904 and the damping pad 905 up and down to absorb shock, so as to reduce damage to the upper shutter 4 and the lower shutter 5 caused by shock.
Install crank arm mechanism 2 on the mounting bracket 1 fixed at two lateral walls of cubical switchboard handcart room, crank arm mechanism 2 includes rotating part 201, goes up crank arm 202, lower crank arm 203 and reset torsion spring 204, rotating part 201 installs on mounting bracket 1, go up crank arm 202 and lower crank arm 203 one end and stagger the articulated installation on rotating part 201, the other end articulates the installation with lower connecting rod 8, upper connecting rod 7 respectively, go up crank arm 202 and lower crank arm 203 and be L shape or V-arrangement structure, and go up crank arm 202 and lower crank arm 203 symmetry setting, go up crank arm 202 and lower crank arm 203 all can wind rotating part 201, go up crank arm 202 and rotate downwards when exerting external force, lower crank arm 203 upwards rotates, lower connecting rod 8 and the other end of last connecting rod 7 articulate respectively and fix in the side of lower valve 5 and upper valve 4, upper arm 202 drives lower connecting rod 8 rather than being connected and moves downwards when rotating downwards, lower connecting rod 8 drives down valve 5 downstream, drives connecting rod 7 rebound when lower connecting lever 203 upwards rotates, and upper connecting rod 7 drives valve 4 upward movement on the upper connecting rod to open valve 4 and lower valve 5 down, last connecting lever 202 and rotating part 201 cover between the lower connecting lever 203 have reset torsion spring 204, and reset torsion spring 204 both ends are connected respectively on last connecting lever 202 and lower connecting lever 203, and reset torsion spring 204 resets last connecting lever 202 and lower connecting lever 203 after the external force is removed, thereby lets valve 4 and lower valve 5 close.
The crank arm mechanism 2 further comprises an upper rotating rod 205 and a lower rotating rod 206, the upper rotating rod 205 and the lower rotating rod 206 are respectively fixed on the inner sides of the upper crank arm 202 and the lower crank arm 203, the upper rotating rod 205 and the lower rotating rod 206 are both composed of rotating rods and rotating drums wrapped outside the rotating rods, the rotating drums can rotate around the rotating rods, the pushing mechanism 11 is composed of a pushing frame 1101, a supporting rod 1102, a supporting plate 1103, a return spring 1104, a rubber pad 1105 and a mounting plate 1106, the outer side of the rear end of the pushing frame 1101 is fixed with the rubber pad 1105, the rubber pad 1105 plays a good protection role in collision, the rear end of the pushing frame 1101 is provided with a moving groove 111, the supporting rod 1102 is arranged in the moving groove 111, the supporting plate 1103 is clamped in the moving groove 111 and is far away from the rubber pad 1105, the return spring 1104 is arranged between the supporting plate 1103 and the inner side wall of the moving groove 111, the supporting plate 1103 and the return spring 1104 are sleeved on the supporting rod 1102, the backup pad 1103 outside is fixed with mounting panel 1106, mounting panel 1106 is fixed on handcart room lateral wall 14, the outside of pushing away frame 1101 is provided with constant head tank 112 and lower constant head tank 113, go up constant head tank 112 and lower constant head tank 113 card respectively on last swinging arms 205 and lower swinging arms 206, the distance between last constant head tank 112 and the lower constant head tank 113 reduces backward gradually, when external force pushing away frame 1101 forward motion, last swinging arms 205 and lower swinging arms 206 respectively along last constant head tank 112 and lower constant head tank 113 relatively backward motion, because the distance between last constant head tank 112 and lower constant head tank 113 reduces gradually, thereby under the drive of pressure, let the distance between last crank arm 202 and the lower crank arm 203 that are connected with the two also shorten gradually, realize the effect that last crank arm 202 rotates downwards and lower crank arm 203 upwards rotates, thereby open upper valve 4 and lower valve 5, and at this moment the backup pad 1103 is fixed owing to the mounting panel 1106 connected with it, which moves relatively backward along the supporting rod 1102, the return spring 1104 is pressed to generate an elastic force, and when the external force disappears as the pushing frame 1101 moves forward, the elastic force is released to return the pushing frame 1101.
The striking frame 12 is arranged on both sides of the handcart and is positioned on the same horizontal line with the pushing mechanism 11, when the handcart is shaken in, the handcart moves forward along with the handcart, then the striking frame 1101 is struck to move forward, a series of operations that the crank arm mechanism 2 rotates to drive the upper valve 4, the lower valve 5 to move up and down and the like to open the valves are completed, when the handcart is shaken out, the striking frame 12 is driven to move backwards, the striking pressure applied to the pushing mechanism 11 disappears, the crank arm mechanism 2 and the pushing mechanism 11 are reset, the upper valve 4 and the lower valve 5 are closed, the pushing mechanism 11 driving the crank arm mechanism 2 to rotate is directly fixed on the side wall plate 14, the handcart moves by striking through the striking frame 12 on the handcart, so as to drive the handcart to move, the precision matching between the upper valve and the lower valve is not needed, only the striking frame 12 can be abutted against a part of the pushing mechanism 11, and the requirement on the handcart movement precision is lowered, and the hidden trouble that the upper valve 4 and the lower valve 5 cannot be opened due to the handcart movement deviation can be effectively prevented.
The upper shutter 4 and the lower shutter 5 are provided with access holes 101 matched with the contact box 15 in position, the access holes 101 are provided with openable access doors 10, each access door 10 is composed of a connecting hinge 1001, a door panel 1002, a sealing gasket 1003, a first magnet 1004 and a second magnet 1005, the upper ends of the door panels 1002 are connected with the upper shutter 4 or the lower shutter 5 through the connecting hinge 1001, the sealing gasket 1003 is fixed on the inner side surface of each door panel 1002, so that the door panels 1002 are attached to the upper shutter 4 or the lower shutter 5 more tightly to prevent dust and the like from entering the contact box 15, the lower ends of the door panels 1002 are fixed with the first magnets 1004, the second magnets 1005 are fixed on the upper shutter 4 or the lower shutter 5 corresponding to the first magnets 1004, when the door panels 1002 are closed, the first magnets 1004 and the second magnets 1005 are adsorbed together to prevent the door panels 1002 from being opened easily, the connecting hinges 1001 are made of insulating materials, first magnet 1004 and second magnet 1005 surface coating have a layer of insulating layer, connect hinge 1001, insulating processing has all been done to first magnet 1004 and second magnet 1005, can effectually avoid the emergence of phenomenons such as creepage, carry out the assembled at the cubical switchboard, when needing to install static contact and copper bar in contact box 15, directly lift door plant 1002 and can install, install the static contact in contact box 15, when the copper bar perhaps carries out the inside maintenance of contact box 15, only need open access door 10 and expose access hole 101 can, thereby other time can be closed and guarantee safety, very big improvement the installation effectiveness of equipment such as static contact.
The invention further provides a switch cabinet, wherein the switch cabinet comprises a handcart chamber with a handcart and a valve mechanism, the valve mechanism adopts the valve locking mechanism, an installation frame 1 of the valve locking mechanism is installed on a side wall plate 14 of the handcart chamber, the sliding groove 3 and the buffer fixing mechanism 9 are installed on a contact box partition plate 13 of the handcart chamber, and the impact frames 12 are fixed on two sides of the handcart and correspond to the pushing mechanism 11.
The use principle of the invention is as follows: before use, as shown in fig. 8-9, the mounting frame 1 is mounted on a side wall plate 14 of a handcart room, the sliding groove 3 and the buffer fixing mechanism 9 are mounted on a contact box partition plate 13 of the handcart room, the impact frames 12 are fixed on two sides of the handcart and correspond to the pushing mechanism 11, when a static contact and a copper bar are mounted in the contact box 15 or the inside of the contact box 15 is overhauled, the access door 10 is turned upwards to expose the access opening 101, and then the installation or the overhaul is carried out;
when the handcart is used, the handcart is installed in a handcart room of a switch cabinet, when the handcart is shaken to move forwards, the impact frame 12 moves forwards along with the handcart, when the handcart impacts the pushing mechanism 11, the pushing frame 1101 moves forwards, the upper rotating rod 205 and the lower rotating rod 206 respectively move backwards relatively along the upper positioning groove 112 and the lower positioning groove 113, the upper crank arm 202 rotates downwards under the drive of pressure, the lower crank arm 203 rotates upwards, the upper valve 4 of the lower valve 5 is respectively driven to move downwards and upwards along the sliding groove 3, at the moment, the opening of the contact box 15 is exposed, the contact arm of the handcart extends deep into the contact box, and the moving contact and the static contact on the contact arm are connected and electrified;
when the handcart is shaken out, the handcart drives the impact frame 12 to move backwards, the impact pressure applied to the pushing mechanism 11 disappears, the elastic force of the reset torsion spring 204 and the reset spring 1104 is released, the crank arm mechanism 2 and the pushing mechanism 11 are reset, and the upper valve 4 and the lower valve 5 are closed.
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 (7)
1. The utility model provides a valve blocking mechanism, includes mounting bracket (1), crank mechanism (2), sliding tray (3), goes up valve (4), lower valve (5), sliding block (6), goes up connecting rod (7), lower connecting rod (8), buffering fixed establishment (9), access door (10), pushing mechanism (11) and striking frame (12), its characterized in that:
the sliding groove (3) and the buffer fixing mechanism (9) are installed on a contact box partition plate (13) of a handcart room of the switch cabinet, the sliding groove (3) is arranged at the upper end and the lower end of the buffer fixing mechanism (9), sliding blocks (6) are fixed on the side faces of the upper valve (4) and the lower valve (5), the sliding blocks (6) connected with the upper valve (4) and the lower valve (5) are respectively clamped in the sliding grooves (3) at the upper end and the lower end of the buffer fixing mechanism (9), an access hole (101) matched with the position of the contact box (15) is formed in the upper valve (4) and the lower valve (5), and an openable access door (10) is installed on the access hole (101);
the mounting frame (1) fixed on two side walls of a handcart room of the switch cabinet is provided with a crank arm mechanism (2), the crank arm mechanism (2) comprises a rotating part (201), an upper crank arm (202), a lower crank arm (203) and a reset torsion spring (204), the rotating part (201) is arranged on the mounting frame (1), one ends of the upper crank arm (202) and the lower crank arm (203) are arranged on the rotating part (201) in a staggered and hinged mode, the other ends of the upper crank arm (202) and the lower crank arm (203) are respectively arranged on a lower connecting rod (8) and an upper connecting rod (7) in a hinged mode, the rotating part (201) between the upper crank arm (202) and the lower crank arm (203) is sleeved with the reset torsion spring (204), and the two ends of the reset torsion spring (204) are respectively connected onto the upper crank arm (202) and the lower crank arm (203);
the other ends of the lower connecting rod (8) and the upper connecting rod (7) are hinged and fixed on the side surfaces of the lower valve (5) and the upper valve (4) respectively, and are used for driving the lower valve (5) to move downwards and the upper valve (4) to move upwards when the upper crank arm (202) and the lower crank arm (203) rotate around the rotating part (201) respectively, the pushing mechanism (11) is clamped on the crank arm mechanism (2) and is used for driving the upper crank arm (202) and the lower crank arm (203) of the crank arm mechanism (2) to rotate around the rotating part (201) when the upper crank arm (202) and the lower crank arm (203) move forwards, and the impact frames (12) are installed on two sides of the handcart and are used for driving the impact frames (12) to impact the pushing mechanism (11) forwards to push the handcart to move forwards when the handcart is shaken in;
the buffer fixing mechanism (9) is composed of a fixing rod (901), a guide rod (902), limiting blocks (903), a damping spring (904), a damping pad (905), a ball seat (906) and ball buckles (907), a damping groove (91) is formed in the middle of the fixing rod (901), the guide rod (902) is arranged in the damping groove (91), the limiting blocks (903) are arranged at the upper end and the lower end of the damping pad (905), the damping spring (904) is connected between the two limiting blocks (903) and the side wall of the damping groove (91), the guide rod (902), the limiting blocks (903) and the damping pad (905) are sleeved on the guide rod (902), the ball seats (906) are fixed at the lower end of the upper valve (4) and the upper end of the lower valve (5), the ball buckles (907) are fixed at the upper end and the lower end of the two limiting blocks (903), and the two ball buckles (907) correspond to the ball seats (906), the surface of the shock pad (905) is uniformly provided with a plurality of penetrating hollow shock absorption holes (92).
2. The latch mechanism of claim 1, wherein: the crank arm mechanism (2) further comprises an upper rotating rod (205) and a lower rotating rod (206), the upper rotating rod (205) and the lower rotating rod (206) are respectively fixed on the inner sides of the upper crank arm (202) and the lower crank arm (203), the pushing mechanism (11) comprises a pushing frame (1101), a supporting rod (1102), a supporting plate (1103), a return spring (1104), a rubber pad (1105) and a mounting plate (1106), the outer side of the rear end of the pushing frame (1101) is fixedly provided with the rubber pad (1105), the rear end of the pushing frame (1101) is provided with a movement groove (111), the supporting rod (1102) is arranged in the movement groove (111), the supporting plate (1103) is clamped in the movement groove (111) and is far away from the rubber pad (1105), the return spring (1103) is arranged between the inner side wall of the movement groove (111), and the supporting plate (1103) and the return spring (1104) are sleeved on the supporting rod (1102), supporting plate (1103) outside is fixed with mounting panel (1106), mounting panel (1106) are fixed on handcart room lateral wall board (14), the outside of pushing away frame (1101) is provided with constant head tank (112) and constant head tank (113) down, go up constant head tank (112) and constant head tank (113) down and block respectively on last swinging arms (205) and lower swinging arms (206), go up constant head tank (112) and reduce gradually the distance between constant head tank (113) down backward.
3. The latch mechanism of claim 2, wherein: the upper rotating rod (205) and the lower rotating rod (206) are composed of rotating rods and rotating cylinders wrapped outside the rotating rods, and the rotating cylinders can rotate around the rotating rods.
4. The latch mechanism of claim 1, wherein: the upper crank arm (202) and the lower crank arm (203) are in L-shaped or V-shaped structures, and the upper crank arm (202) and the lower crank arm (203) are symmetrically arranged.
5. The latch mechanism of claim 1, wherein: the access door (10) comprises a connecting hinge (1001), a door panel (1002), a sealing gasket (1003), a first magnet (1004) and a second magnet (1005), wherein the upper end of the door panel (1002) is connected with an upper valve (4) or a lower valve (5) installed on the door panel through the connecting hinge (1001), the sealing gasket (1003) is fixed on the inner side face of the door panel (1002), the first magnet (1004) is fixed at the lower end of the door panel (1002), and the second magnet (1005) is fixed at the position of the upper valve (4) or the lower valve (5) corresponding to the first magnet (1004).
6. The latch mechanism of claim 5, wherein: the connecting hinge (1001) is made of insulating materials, and the surfaces of the first magnet (1004) and the second magnet (1005) are wrapped with a layer of insulating layer.
7. A kind of switch cabinet, its characterized in that: the switch cabinet comprises a handcart room with a handcart and a valve mechanism, the valve mechanism adopts the valve locking mechanism according to any one of claims 1 to 6, a mounting frame (1) of the valve locking mechanism is mounted on a side wall plate (14) of the handcart room, a sliding groove (3) and a buffer fixing mechanism (9) are mounted on a contact box partition plate (13) of the handcart room, and impact frames (12) are fixed on two sides of the handcart and correspond to the position of a pushing mechanism (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210029395.2A CN114050498B (en) | 2022-01-12 | 2022-01-12 | Shutter locking mechanism and switch cabinet thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210029395.2A CN114050498B (en) | 2022-01-12 | 2022-01-12 | Shutter locking mechanism and switch cabinet thereof |
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| Publication Number | Publication Date |
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| CN114050498A CN114050498A (en) | 2022-02-15 |
| CN114050498B true CN114050498B (en) | 2022-04-05 |
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| CN202210029395.2A Active CN114050498B (en) | 2022-01-12 | 2022-01-12 | Shutter locking mechanism and switch cabinet thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114744538B (en) * | 2022-06-14 | 2022-09-13 | 江苏德纪特电气有限公司 | Valve locking mechanism and switch cabinet with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202353066U (en) * | 2011-11-23 | 2012-07-25 | 中国西电电气股份有限公司 | Movable door structure of withdrawable switchgear |
| CN106099732A (en) * | 2016-07-25 | 2016-11-09 | 许继电气股份有限公司 | A kind of switch cubicle and valve blocking mechanism thereof |
| CN109066438A (en) * | 2018-08-09 | 2018-12-21 | 青岛特锐德电气股份有限公司 | A kind of four sides guiding valve mechanism |
| CN110013127A (en) * | 2019-05-21 | 2019-07-16 | 江苏集萃智能制造技术研究所有限公司 | One kind can bidirectional access drawer type storage cabinet |
| CN210396447U (en) * | 2018-12-26 | 2020-04-24 | 上海纳杰电气成套有限公司 | 12kV high tension switchgear valve opening angle limit structure |
-
2022
- 2022-01-12 CN CN202210029395.2A patent/CN114050498B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202353066U (en) * | 2011-11-23 | 2012-07-25 | 中国西电电气股份有限公司 | Movable door structure of withdrawable switchgear |
| CN106099732A (en) * | 2016-07-25 | 2016-11-09 | 许继电气股份有限公司 | A kind of switch cubicle and valve blocking mechanism thereof |
| CN109066438A (en) * | 2018-08-09 | 2018-12-21 | 青岛特锐德电气股份有限公司 | A kind of four sides guiding valve mechanism |
| CN210396447U (en) * | 2018-12-26 | 2020-04-24 | 上海纳杰电气成套有限公司 | 12kV high tension switchgear valve opening angle limit structure |
| CN110013127A (en) * | 2019-05-21 | 2019-07-16 | 江苏集萃智能制造技术研究所有限公司 | One kind can bidirectional access drawer type storage cabinet |
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| CN114050498A (en) | 2022-02-15 |
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