CN218939522U - Locking device for mining explosion-proof permanent magnet vacuum feed switch - Google Patents
Locking device for mining explosion-proof permanent magnet vacuum feed switch Download PDFInfo
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- CN218939522U CN218939522U CN202223298747.9U CN202223298747U CN218939522U CN 218939522 U CN218939522 U CN 218939522U CN 202223298747 U CN202223298747 U CN 202223298747U CN 218939522 U CN218939522 U CN 218939522U
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Abstract
The utility model discloses a locking device for a mining explosion-proof permanent magnet vacuum feed switch, which comprises a device body, wherein a box door and switch operation rods are arranged on two sides of the device body, sliding rods are fixedly connected to two side walls of the device body, sliding sleeves are connected to two sliding rods close to the box door in a sliding manner, L-shaped push rods are connected to the sliding rods close to the switch operation rods in a sliding manner, the sliding sleeves are fixedly connected with the side walls of the box door through four fixing rods, and one end, far away from the sliding rods, of each L-shaped push rod is connected with the switch operation rods in a rotating manner. According to the utility model, the control assembly is arranged, when the two threaded sleeves are displaced to the left, the sliding sleeve is pushed to displace to the left, the box door is pushed to be opened through the four fixing rods, a worker is not required to additionally switch the box door, the operation is convenient, the transmission assembly is arranged, and when the knob drives the rotating shaft to rotate for four circles, the transmission rod only drives the rotating rod to rotate for one circle, so that the labor is saved.
Description
Technical Field
The utility model relates to the technical field of permanent magnet vacuum feed switches, in particular to a locking device for a mining explosion-proof permanent magnet vacuum feed switch.
Background
The explosion-proof permanent-magnet vacuum feed switch for mine is suitable for the environment containing explosive gas in underground coal mine and other surrounding medium, and adopts a permanent-magnet mechanism vacuum breaker, which is a vacuum feed switch with various functions of overload, short circuit, undervoltage, electric leakage protection and the like, and the existing explosion-proof permanent-magnet vacuum feed switch for mine is usually provided with a locking device, namely, the interlocking of a power supply change-over switch and a front door cover is controlled.
The existing locking device for the mining explosion-proof permanent magnet vacuum feed switch generally comprises the following structure: the utility model discloses a mining explosion-proof permanent magnetism vacuum feed locking device for switch, including locking explosion-proof case and locking actuating mechanism, the inside of locking explosion-proof case is equipped with locking actuating mechanism, be equipped with the operation opening on the locking explosion-proof case of locking actuating mechanism top, locking explosion-proof case passes through installation component fixed mounting on the switch explosion-proof box, the switch explosion-proof chamber door is installed through the hinge to one side of switch explosion-proof box, one side fixed mounting that the hinge was kept away from to the switch explosion-proof chamber door has the locking slot, one side fixed mounting that the locking actuating mechanism is close to the locking slot has the locking inserted bar, peg graft between locking inserted bar and the locking slot, one side fixed mounting connecting rod that the locking actuating mechanism kept away from the locking inserted bar.
The locking device for the mining explosion-proof permanent magnet vacuum feed switch can effectively prevent locking failure caused by false touch, however, when the locking device for the mining explosion-proof permanent magnet vacuum feed switch is used, the box door can be locked and unlocked only by pulling the locking driving handle, when the locking device is used, workers are required to switch the box door additionally, the operation is inconvenient, meanwhile, the locking is performed by pulling the locking driving handle to swing, so that the workers are more laborious in operation, and the practicability is lower.
Disclosure of Invention
The utility model aims to solve the problem that the locking device for the mining explosion-proof permanent magnet vacuum feed switch in the prior art is laborious when a box door is additionally required to be opened and closed and operated, and provides the locking device for the mining explosion-proof permanent magnet vacuum feed switch, which is more labor-saving when the box door is not required to be additionally opened and closed and operated.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a locking device for a mining flameproof permanent magnet vacuum feed switch comprises:
the device comprises a device body, wherein a box door and a switch operating rod are arranged on two sides of the device body, sliding rods are fixedly connected to two side walls of the device body, a sliding sleeve is connected to the two sliding rods close to the box door in a sliding manner, an L-shaped push rod is connected to the sliding rod close to the switch operating rod in a sliding manner, the sliding sleeve is fixedly connected with the side wall of the box door through four fixing rods, and one end of the L-shaped push rod far away from the sliding rod is connected with the switch operating rod in a rotating manner;
the control assembly comprises a rotating rod, two threaded rods, two threaded sleeves and four pull rods, wherein the rotating rod is connected inside the device body in a rotating mode, the threaded rods are fixedly connected to two sides of the rotating rod, the threaded sleeves are matched with the threaded rods in threads, two pull rods are fixedly connected to one sides, close to the outer portion of the device body, of the threaded sleeves, and the four pull rods extend to the outer portion of the device body and are fixedly connected with the sliding sleeve and the L-shaped push rod respectively;
the transmission assembly comprises a transmission rod, a rotating shaft, a first gear, a second gear, a bevel gear and a bevel gear ring, wherein the transmission rod and the rotating shaft are rotationally connected above the rotating rod inside the device body, the bevel gear is arranged at the bottom of the transmission rod in an interference fit mode, the bevel gear ring is arranged on the rotating rod in an interference fit mode, the bevel gear and the bevel gear ring are meshed with each other, the first gear is arranged at the top of the transmission rod in an interference fit mode, the second gear is arranged at the position of the same horizontal line of the rotating shaft, and the first gear and the second gear are meshed with each other.
Preferably, one end of each sliding rod far away from the device body is fixedly connected with a first limiting block.
Preferably, two the equal fixedly connected with second stopper of screw thread sleeve bottom, two spacing grooves have been seted up to the inside device body, two second stopper sliding connection respectively in the inner wall of two spacing grooves.
Preferably, the first gear radius is twice the second gear radius.
Preferably, the upper part of the rotating shaft extends to the outside of the device body and is fixedly connected with a knob.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the control assembly is arranged, so that the rotating rod drives the two threaded rods to rotate when rotating, the sliding sleeve is pushed to move leftwards when the two threaded sleeves move to the left, the box door is pushed to open by the four fixing rods, and the box door is pulled to close by the four fixing rods when the two threaded sleeves move to the right, so that a worker does not need to additionally switch the box door, and the operation is convenient.
2. According to the utility model, by arranging the transmission assembly, a worker drives the rotating shaft to rotate through rotating the knob and drives the transmission rod to rotate through the first gear and the second gear, and the transmission rod drives the rotating rod to rotate so as to control the on and off of the box door switch and the switch operation rod.
Drawings
Fig. 1 is a schematic structural diagram of a locking device for a mining explosion-proof permanent magnet vacuum feed switch;
fig. 2 is a schematic diagram of a top view structure of a first gear in a locking device for a mining explosion-proof permanent magnet vacuum feed switch;
fig. 3 is a side view of a sliding sleeve in a locking device for a mining explosion-proof permanent magnet vacuum feed switch.
In the figure: 1. a device body; 11. a door; 12. a switch lever; 13. a slide bar; 131. a first limiting block; 14. a sliding sleeve; 15. an L-shaped push rod; 16. a fixed rod; 2. a control assembly; 21. a rotating rod; 22. a threaded rod; 23. a threaded sleeve; 231. a second limiting block; 232. a limit groove; 24. a pull rod; 3. a transmission assembly; 31. a transmission rod; 32. a rotating shaft; 33. a first gear; 34. a second gear; 35. bevel gears; 36. conical toothed ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-3, a locking device for a mining flameproof permanent magnet vacuum feed switch, comprising:
the device comprises a device body 1, wherein a box door 11 and a switch operating rod 12 are arranged on two sides of the device body 1, sliding rods 13 are fixedly connected to two side walls of the device body 1, a sliding sleeve 14 is connected to the sliding rod 13, which is close to the box door 11, of the two sliding rods 13 in a sliding manner, an L-shaped push rod 15 is connected to the sliding rod 13, which is close to the switch operating rod 12 in a sliding manner, the sliding sleeve 14 is fixedly connected with the side wall of the box door 11 through four fixing rods 16, one end, which is far away from the sliding rod 13, of the L-shaped push rod 15 is connected with the switch operating rod 12 in a rotating manner, and one end, which is far away from the device body 1, of the two sliding rods 13 is fixedly connected with a first limiting block 131, so that the sliding sleeve 14 and the L-shaped push rod 15 are prevented from sliding away from the two sliding rods 13;
the control assembly 2 comprises a rotating rod 21, two threaded rods 22, two threaded sleeves 23 and four pull rods 24, wherein the rotating rod 21 is rotationally connected inside the device body 1, the threaded rods 22 are fixedly connected to the two sides of the rotating rod 21, the threaded sleeves 23 are in threaded fit with the two threaded rods 22, the two pull rods 24 are fixedly connected to one sides, close to the outer part of the device body 1, of the two threaded sleeves 23, and the four pull rods 24 extend to the outer part of the device body 1 and are fixedly connected with the sliding sleeve 14 and the L-shaped push rod 15 respectively;
it should be noted that, two limiting blocks 231 are fixedly connected to the bottoms of the two threaded sleeves 23, two limiting grooves 232 are formed in the device body 1, the two limiting blocks 231 are respectively and slidably connected to the inner walls of the two limiting grooves 232, so that the two threaded sleeves 23 can only perform horizontal displacement and are prevented from rotating, and when the rotating rod 21 rotates, the two threaded rods 22 are driven to rotate, so that the two threaded sleeves 23 perform horizontal displacement.
When the two threaded sleeves 23 are displaced to the left, the left threaded sleeve 23 pushes the sliding sleeve 14 to displace to the left through the two pull rods 24, and pushes the box door 11 to open through the four fixing rods 16, the right threaded sleeve 23 pulls the L-shaped push rod 15 to displace to the left through the two pull rods 24, and pulls the switch operating rod 12 to swing to the left so as to cut off the power supply, and when the two threaded sleeves 23 are displaced to the right, the left threaded sleeve 23 pulls the sliding sleeve 14 to displace to the right through the two pull rods 24, and pulls the box door 11 to close through the four fixing rods 16, the right threaded sleeve 23 pushes the L-shaped push rod 15 to displace to the right through the two pull rods 24, and pushes the switch operating rod 12 to swing to the right so as to enable the switch to be electrified, so that a worker is not required to additionally switch the box door 11, and the operation is convenient.
The transmission assembly 3, the transmission assembly 3 includes transfer line 31, pivot 32, first gear 33, second gear 34, bevel gear 35 and awl tooth ring 36, the device body 1 inside is located the top rotation of bull stick 21 and is connected with transfer line 31 and pivot 32, transfer line 31 bottom interference fit has bevel gear 35, interference fit has awl tooth ring 36 on the bull stick 21, bevel gear 35 and awl tooth ring 36 intermeshing, transfer line 31 top interference fit has first gear 33, pivot 32 and transfer line 31 are in the position interference fit of same horizontal line has second gear 34, first gear 33 and second gear 34 intermeshing.
It should be noted that, the top of pivot 32 extends to the device body 1 outside and fixedly connected with knob, when rotating the knob, will make pivot 32 rotate to drive transfer line 31 through first gear 33 and second gear 34 and rotate, transfer line 31 drives the bull stick 21 through bevel gear 35 and bevel ring 36 again and rotates, thereby the break-make electricity of control chamber door 11 switch and switch action bars 12, because the radius of first gear 33 is the twice of the radius of second gear 34, therefore when the knob drives pivot 32 rotation four circles, transfer line 31 only drives bull stick 21 rotation round, compared with the mode that the pulling shutting actuating handle swings carries out the switch shutting, it is more laborsaving, the practicality is higher.
The utility model can explain its functional principle by the following modes of operation:
when the box door 11 needs to be opened, the knob is rotated, the rotating shaft 32 is rotated, the rotating rod 21 is driven to rotate through the transmission rod 31, the two threaded rods 22 are rotated, the two threaded sleeves 23 are displaced to the left, the left threaded sleeve 23 pushes the box door 11 to be displaced to the left through the two pull rods 24, the sliding sleeve 14 and the four fixing rods 16, the box door 11 is opened, the right threaded sleeve 23 pulls the switch operating rod 12 to swing to the left through the two pull rods 24 and the L-shaped push rod 15, the switch is powered off, and when the box door 11 needs to be closed, the knob is reversely rotated, so that the box door 11 is closed, the switch is powered on, the box door 11 is more labor-saving, and the box door 11 is convenient to operate.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a mining flame proof formula permanent magnetism vacuum feed locking device for switch which characterized in that includes:
the device comprises a device body (1), wherein a box door (11) and a switch operating rod (12) are arranged on two sides of the device body (1), sliding rods (13) are fixedly connected to two side walls of the device body (1), sliding sleeves (14) are connected to the sliding rods (13) close to the box door (11) in the two sliding rods (13) in a sliding manner, L-shaped push rods (15) are connected to the sliding rods (13) close to the switch operating rod (12) in a sliding manner, the sliding sleeves (14) are fixedly connected with the side walls of the box door (11) through four fixing rods (16), and one ends, far away from the sliding rods (13), of the L-shaped push rods (15) are connected with the switch operating rod (12) in a rotating manner;
the control assembly (2), the control assembly (2) comprises a rotating rod (21), two threaded rods (22), two threaded sleeves (23) and four pull rods (24), the rotating rod (21) is connected to the inside of the device body (1) in a rotating mode, the threaded rods (22) are fixedly connected to two sides of the rotating rod (21), the threaded sleeves (23) are in threaded fit with the threaded rods (22), two pull rods (24) are fixedly connected to one side, close to the outer portion of the device body (1), of the threaded sleeves (23), and the four pull rods (24) extend to the outer portion of the device body (1) and are fixedly connected with the sliding sleeve (14) and the L-shaped push rod (15) respectively;
the transmission assembly (3), transmission assembly (3) include transfer line (31), pivot (32), first gear (33), second gear (34), bevel gear (35) and awl tooth ring (36), the top rotation that is located bull stick (21) inside device body (1) is connected with transfer line (31) and pivot (32), transfer line (31) bottom interference fit has bevel gear (35), interference fit has awl tooth ring (36) on bull stick (21), bevel gear (35) and awl tooth ring (36) intermesh, transfer line (31) top interference fit has first gear (33), pivot (32) and transfer line (31) are in the position interference fit of same horizon have second gear (34), first gear (33) and second gear (34) intermesh.
2. The locking device for a mining explosion-proof permanent magnet vacuum feed switch according to claim 1, wherein:
one end, far away from the device body (1), of each sliding rod (13) is fixedly connected with a first limiting block (131).
3. The locking device for a mining explosion-proof permanent magnet vacuum feed switch according to claim 1, wherein:
two equal fixedly connected with second stopper (231) of screw sleeve (23) bottom, two spacing groove (232) have been seted up to device body (1) inside, two second stopper (231) sliding connection respectively in the inner wall of two spacing grooves (232).
4. The locking device for a mining explosion-proof permanent magnet vacuum feed switch according to claim 1, wherein:
the radius of the first gear (33) is twice that of the second gear (34).
5. The locking device for a mining explosion-proof permanent magnet vacuum feed switch according to claim 1, wherein:
the upper part of the rotating shaft (32) extends to the outside of the device body (1) and is fixedly connected with a knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223298747.9U CN218939522U (en) | 2022-12-09 | 2022-12-09 | Locking device for mining explosion-proof permanent magnet vacuum feed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223298747.9U CN218939522U (en) | 2022-12-09 | 2022-12-09 | Locking device for mining explosion-proof permanent magnet vacuum feed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218939522U true CN218939522U (en) | 2023-04-28 |
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ID=86093817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223298747.9U Active CN218939522U (en) | 2022-12-09 | 2022-12-09 | Locking device for mining explosion-proof permanent magnet vacuum feed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218939522U (en) |
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2022
- 2022-12-09 CN CN202223298747.9U patent/CN218939522U/en active Active
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