CN215911332U - Electric cabinet lateral interlocking device for development machine - Google Patents
Electric cabinet lateral interlocking device for development machine Download PDFInfo
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- CN215911332U CN215911332U CN202122029823.5U CN202122029823U CN215911332U CN 215911332 U CN215911332 U CN 215911332U CN 202122029823 U CN202122029823 U CN 202122029823U CN 215911332 U CN215911332 U CN 215911332U
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Abstract
The utility model discloses an electric cabinet lateral interlocking device for a heading machine, which comprises an input assembly, a connecting rod assembly and a lock rod; the operating rod positioned on the same side surface with the emergency stop switch drives the input assembly to rotate clockwise and anticlockwise and correspondingly controls the on and off of a power supply of the electric control box body; the input assembly is connected with the lock rod through the connecting rod assembly, a pair of lock catches matched with the door catches on the two front doors are fixedly arranged on the lock rod, and a limiting assembly for limiting the rotation angle of the lock catches and moving up and down along with the door catches is arranged at the door catches; when the input assembly rotates anticlockwise, the connecting rod assembly drives the lock rod and the lock catch to rotate correspondingly, the lock catch is separated from the door catch actively, and the limiting assembly is in contact with the lock catch to limit the angle, so that the input assembly cannot rotate clockwise; the electric cabinet lateral interlocking device for the heading machine is simple in structure, flexible and convenient to operate, suitable for checking the front door after the machine is stopped and opened, capable of ensuring the disconnection of the power supply of the front door in an opening state, and safe and reliable.
Description
Technical Field
The utility model relates to the field of electric control boxes of development machines, in particular to a lateral interlocking device of an electric control box for a development machine.
Background
The heading machine is mechanical equipment applied to digging straight roadways, and is provided with an electric control box for arranging and protecting an electric control system. The electric cabinet is a component which must be equipped on the heading machine, and in a mine or other flammable and explosive gas environments containing gas and the like, the electric cabinet can prevent explosion generated in a cavity per se from spreading to the whole operation environment so as to avoid major accidents.
When the front door of an electric cabinet of a traditional development machine is opened, the front door needs to be lifted up through a related mechanism, so that the front door and the electric cabinet are unlocked in the relative rotation direction, then the front door is pulled to rotate around a hinge to be opened, and most interlocking devices are arranged on the front door, so that the front door is opened and closed in a plane where the front door is located.
The interlocking device in such a form needs to perform the opening and closing operation of the power supply at a position right opposite to the front door, and the side of the electric cabinet is often placed due to the structural limitation of emergency stop or the convenience in operation. When the front door needs to be stopped and opened for inspection, an operator needs to press down the side emergency stop and then move to the front side to rotate the operating rod, the operation is extremely inconvenient, and the traditional interlocking device can only be arranged on the front door, so that the flexibility of the placement position of the operating rod is limited.
Disclosure of Invention
The electric cabinet lateral interlocking device for the heading machine is simple in structure, flexible and convenient to operate, suitable for checking the front door after the machine is stopped and opened, capable of ensuring the power supply to be disconnected when the front door is opened, and safer and more reliable.
In order to achieve the aim, the electric cabinet lateral interlocking device for the development machine comprises an input assembly, a connecting rod assembly and a lock rod;
the operating rod positioned on the same side face of the electric cabinet body as the emergency stop switch drives the input assembly to rotate clockwise and anticlockwise for a certain angle, and correspondingly controls the on and off of a power supply of the electric cabinet body;
the input assembly is connected with the lock rod through the connecting rod assembly, a pair of lock catches matched with the door catches on the two front doors are fixedly arranged on the lock rod, and a limiting assembly for limiting the rotation angle of the lock catches and moving up and down along with the door catches is arranged at the door catches;
when the input assembly rotates anticlockwise, the connecting rod assembly drives the lock rod and the lock catch to correspondingly rotate, the lock catch is initiatively separated from the door catch, and the limiting assembly is in contact with the lock catch to limit the angle, so that the input assembly cannot rotate clockwise.
Further, the connecting rod assembly comprises a sliding rod, a transmission rod and a connecting rod;
the sliding rod moves in a translation mode, one end of the sliding rod is always in contact with the input assembly under the action of elastic force, the other end of the sliding rod is hinged with the transmission rod, a strip-shaped groove is formed in the other end of the transmission rod, one end of the connecting rod is arranged in the strip-shaped groove in a sliding mode, and the other end of the connecting rod is fixedly connected with the locking rod.
Furthermore, the inclined lower end of the lock catch is an arc-shaped surface, and the inclined upper end of the corresponding door catch is an arc-shaped surface;
when the input assembly rotates anticlockwise to the maximum angle, the arc-shaped surface of the lock catch and the arc-shaped surface of the door catch are staggered.
Further, the limiting assembly comprises a limiting guide pillar and a supporting spring;
the supporting spring is sleeved on the limiting guide post, the limiting guide post is arranged in a vertically moving mode and is acted by upward elastic force of the supporting spring, and the upper end of the supporting spring is in contact with the door catch.
Further, the input assembly comprises a rotating shaft and a cam;
the operating rod is connected with a cam in the electric control box body through a rotating shaft which is rotatably arranged on the electric control box body;
the connecting rod assembly is connected with the cam.
Furthermore, a limiting groove is formed in the cam, and a limiting rod positioned in the limiting groove is arranged on the electric control box body;
when the cam rotates, the limiting rod rotates relative to the limiting groove to limit the rotating angle of the operating rod.
Furthermore, one end of the rotating shaft is provided with an isolating switch for switching on and off the power supply.
Compared with the prior art, the electric cabinet lateral interlocking device for the development machine has the advantages that the operating rod and the emergency stop switch are positioned on the same side, the operating rod drives the input assembly to rotate clockwise and anticlockwise by a certain angle to correspondingly control the power supply of the electric cabinet to be switched on and off, the connecting rod assembly drives the lock rod and the lock catch to correspondingly rotate, the lock catch is actively separated from the door catch, the limiting assembly is in contact with the lock catch to limit the angle, and the input assembly cannot rotate clockwise; the electric cabinet lateral interlocking device for the heading machine is simple in structure, flexible and convenient to operate, suitable for checking the front door after the machine is stopped and opened, capable of ensuring the disconnection of the power supply of the front door in an opening state, and safe and reliable.
Drawings
FIG. 1 is a right side view of the present invention;
FIG. 2 is a left side view of the present invention with the power supply closed;
FIG. 3 is an enlarged view of a portion of the present invention with the latch and door latch closed;
FIG. 4 is a left side view of the present invention with the power source disconnected;
FIG. 5 is an enlarged view of a portion of the present invention with the latch and door latch unlocked when power is off;
FIG. 6 is a partial top view of the present invention;
in the figure: 1. the emergency stop device comprises an electric control box body, 11, a limiting rod, 2, a front door, 3, an emergency stop switch, 41, an operating rod, 42, a rotating shaft, 43, a cam, 51, a sliding rod, 52, a transmission rod, 53, a connecting rod, 54, a lock catch, 55, a lock rod, 61, a limiting guide post, 62, a supporting spring, 7, a door catch, 8 and an isolating switch.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1 to 5, the electric cabinet lateral interlocking device for the heading machine comprises an input assembly, a connecting rod assembly and a lock rod 55;
the operating rod 41 which is positioned on the same side face of the electric control box body 1 as the emergency stop switch 3 drives the input assembly to rotate clockwise and anticlockwise for a certain angle, and correspondingly controls the on and off of a power supply of the electric control box body 1;
the input assembly is connected with a lock rod 55 through a connecting rod assembly, a pair of lock catches 54 matched with the door catches 7 on the two front doors 2 are fixedly arranged on the lock rod 55, and a limiting assembly for limiting the rotation angle of the lock catches 54 and moving up and down along with the door catches 7 is arranged at the door catches 7;
when the input assembly rotates counterclockwise, the link assembly drives the lock rod 55 and the latch 54 to rotate correspondingly, the latch 54 is disengaged from the door latch 7 actively, and the limiting assembly contacts with the latch 54 to perform angular limiting, so that the input assembly cannot rotate clockwise.
Further, the link assembly includes a slide lever 51, a transmission lever 52, and a connecting lever 53;
the sliding rod 51 moves in a translation manner, one end of the sliding rod is always contacted with the input assembly under the action of elastic force, the other end of the sliding rod is hinged with the transmission rod 52, the other end of the transmission rod 52 is provided with a strip-shaped groove, one end of the connecting rod 53 is arranged in the strip-shaped groove in a sliding manner, and the other end of the connecting rod is fixedly connected with the locking rod 55;
further, the oblique lower end of the lock catch 54 is an arc-shaped surface, and the oblique upper end of the corresponding door catch 7 is an arc-shaped surface;
when the input assembly rotates counterclockwise to the maximum angle, the arc-shaped surface of the lock catch 54 and the arc-shaped surface of the door catch 7 are staggered.
Further, the limiting assembly comprises a limiting guide post 61 and a supporting spring 62;
the supporting spring 62 is sleeved on the limit guide post 61, the limit guide post 61 is arranged to move up and down, and the upper end of the limiting spring is contacted with the door catch 7 under the upward elastic force of the supporting spring 62.
Further, the input assembly includes a rotating shaft 42 and a cam 43;
the operating rod 41 is connected with a cam 43 in the electric control box body 1 through a rotating shaft 42 which is rotatably arranged on the electric control box body 1;
the connecting rod assembly is connected with the cam 43;
furthermore, a limiting groove is arranged on the cam 43, and a limiting rod 11 positioned in the limiting groove is arranged on the electric control box body 1;
when the cam 43 rotates, the stopper rod 11 rotates relative to the stopper groove to perform the rotational angle limitation of the operation lever 41.
Further, one end of the rotating shaft 42 is provided with an isolating switch 8 for switching on and off the power supply;
when the operating rod 41 and the emergency stop switch 3 are positioned on the same side, the operating rod 41 and the emergency stop switch 3 are convenient to operate in sequence according to the use condition.
As shown in fig. 2 to 6, when the front door 2 is opened, an operator controls the operating rod 41 to drive the input assembly to rotate, for example, the operating rod 41 is set to rotate counterclockwise, the isolating switch 8 can be used to control the power supply of the electric control box body 1 to be switched off, the operating rod 41 rotates clockwise, and the isolating switch 8 controls the power supply of the electric control box body 1 to be switched on;
when the operating rod 41 rotates anticlockwise and the power supply of the electric control box body 1 is disconnected, the input assembly sequentially drives the connecting rod assembly, the lock rod 55 and the lock catch 54 to rotate correspondingly, the lock catch 54 is disengaged from the door catch 7 actively, the limiting assembly is in contact with the lock catch 54, and the input assembly cannot rotate clockwise, so that the isolating switch 8 cannot control the power supply of the electric control box body 1 to be closed under the condition that the front door 2 is opened, and a good protection effect is achieved; at the moment, the front door 2 is firstly driven to lift up by a corresponding mechanism on the electric control box body 1 and then rotates relative to the electric control box body 1 to unlock, so that the front door 2 is completely opened;
when the front door 2 is closed, the front door 2 is driven to reversely act through a corresponding mechanism, when the front door 2 falls down and is positioned at a locking position, the door buckle 7 on the front door 2 presses the limiting component downwards, so that the limiting component is separated from the angle limiting of the lock catch 54, the front door 2 is closed, at the moment, the operating rod 41 rotates clockwise, the isolating switch 8 controls the power supply of the electric control box body 1 to be closed, and the lock catch 54 and the door buckle 7 are locked again;
specifically, since the input assembly includes the rotating shaft 42 and the cam 43; when the operating rod 41 is rotated, the connecting rod assembly is driven to move by the rotating shaft 42 and the cam 43, preferably, a limiting groove is arranged on the cam 43, and a limiting rod 11 positioned in the limiting groove is arranged on the electric control box body 1; when the cam 43 rotates, the limiting rod 11 rotates relative to the limiting groove to limit the rotating angle of the operating rod 41, and the maximum rotating angle of the operating rod 41 can be set;
because the connecting rod assembly comprises the sliding rod 51, the transmission rod 52 and the connecting rod 53, when the cam 43 (input assembly) rotates, the sliding rod 51 is driven to translate, the sliding rod 51 is always in contact with the input assembly under the action of elastic force, and the transmission rod 52 and the connecting rod 53 drive the lock rod 55 to rotate, namely, the translation and rotation of the sliding rod 51 are the rotation of the lock rod 55, so that the lock catch 54 on the lock rod 55 rotates;
when the operating rod 41 rotates anticlockwise, the arc-shaped surface at the inclined lower end of the lock catch 54 correspondingly rotates and is separated from the arc-shaped surface at the inclined upper end of the door catch 7, namely, the lock catch and the lock catch are staggered, when the front door 2 is lifted up, the limiting guide post 61 moves upwards to be contacted with the lock catch 54 under the action of the supporting spring 62, preferably, the limiting assembly is positioned below the door catch 7, so that the limiting guide post 61 moves upwards to be contacted with the lock catch 54 closely, the lock catch 54 is prevented from rotating reversely, therefore, the operating rod 41 cannot rotate under the condition that the front door 2 is opened, the power supply is ensured to be in a disconnected state, and the safety is higher; when the front door 2 falls, the door catch 7 presses the limiting guide post 61 downwards, so that the limiting guide post 61 is separated from contact with the lock catch 54, and when the front door 2 is completely closed, the operating rod 41 can rotate clockwise, so that the power supply is closed.
When the electric control box for the heading machine is used for power transmission, firstly, the two front doors 2 are ensured to be in a closed state, the emergency stop switch 3 is pulled back, and the operating lever drives the rotating shaft 42 to rotate (clockwise), so that the power supply of the electric control box body 1 is closed, and the power transmission is completed; when the electric cabinet for the heading machine is powered off, the emergency stop switch 3 is pressed down, the operating rod 41 drives the rotating shaft 42 to rotate (anticlockwise), and the front doors 2 are lifted, rotated and opened to finish the power-off operation.
This electric cabinet side direction interlock for entry driving machine is located same side with emergency stop switch 3 with action bars 41, in order to adapt to operating personnel's working habit, it operates at 1 side of electric cabinet to make things convenient for in operating personnel, and avoid pressing the loaded down with trivial details process of action bars 41 of alignment front door one side again behind emergency stop switch 3, the whole mountable of this device is in the side, make qianmen 2 have more space surplus, can be used to place other electric or constructional device, avoid 2 usage space's in the office of qianmen 2 compelling, and realize opening 2 preceding outage in qianmen, close 2 back in the qianmen just can the circular telegram interlocking function.
Claims (7)
1. The electric cabinet lateral interlocking device for the heading machine is characterized by comprising an input assembly, a connecting rod assembly and a lock rod (55);
an operating rod (41) which is positioned on the same side face of the electric control box body (1) with the emergency stop switch (3) drives the input assembly to rotate clockwise and anticlockwise for a certain angle, and correspondingly controls the power supply of the electric control box body (1) to be switched on and off;
the input assembly is connected with the lock rod (55) through the connecting rod assembly, a pair of lock catches (54) matched with the door catches (7) on the two front doors (2) are fixedly arranged on the lock rod (55), and a limiting assembly for limiting the rotation angle of the lock catches (54) and moving up and down along with the door catches (7) is arranged at the door catches (7);
when the input assembly rotates anticlockwise, the connecting rod assembly drives the lock rod (55) and the lock catch (54) to rotate correspondingly, the lock catch (54) is disengaged from the door catch (7) actively, and the limiting assembly is in contact with the lock catch (54) for angle limiting, so that the input assembly cannot rotate clockwise.
2. The electric cabinet lateral interlocking device for the heading machine according to claim 1, wherein the link assembly comprises a slide rod (51), a transmission rod (52) and a connecting rod (53);
the sliding rod (51) moves in a translation mode, one end of the sliding rod is always in contact with the input assembly under the action of elastic force, the other end of the sliding rod is hinged to the transmission rod (52), a strip-shaped groove is formed in the other end of the transmission rod (52), one end of the connecting rod (53) is arranged in the strip-shaped groove in a sliding mode, and the other end of the connecting rod is fixedly connected with the locking rod (55).
3. The electric cabinet lateral interlocking device for the heading machine according to claim 2, wherein the inclined lower end of the lock catch (54) is an arc-shaped surface, and the inclined upper end of the corresponding door catch (7) is an arc-shaped surface;
when the input assembly rotates anticlockwise to the maximum angle, the arc-shaped surface of the lock catch (54) and the arc-shaped surface of the door catch (7) are staggered.
4. The electric cabinet lateral interlocking device for the heading machine according to claim 3, wherein the limiting assembly comprises a limiting guide post (61) and a supporting spring (62);
the supporting spring (62) is sleeved on the limiting guide post (61), the limiting guide post (61) is arranged in a vertically moving mode and is acted by upward elastic force of the supporting spring (62), and the upper end of the supporting spring is in contact with the door catch (7).
5. The electric cabinet lateral interlocking device for the heading machine according to any one of claims 1 to 4, wherein the input assembly comprises a rotating shaft (42) and a cam (43);
the operating rod (41) is connected with a cam (43) in the electric control box body (1) through a rotating shaft (42) which is rotatably arranged on the electric control box body (1);
the link assembly is connected to a cam (43).
6. The electric cabinet lateral interlocking device for the heading machine according to claim 5, wherein a limiting groove is formed on the cam (43), and a limiting rod (11) positioned in the limiting groove is arranged on the electric cabinet body (1);
when the cam (43) rotates, the limiting rod (11) rotates relative to the limiting groove to limit the rotating angle of the operating rod (41).
7. The electric cabinet lateral interlocking device for the heading machine according to claim 5, wherein one end of the rotating shaft (42) is provided with a disconnecting switch (8) for switching on and off a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122029823.5U CN215911332U (en) | 2021-08-26 | 2021-08-26 | Electric cabinet lateral interlocking device for development machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122029823.5U CN215911332U (en) | 2021-08-26 | 2021-08-26 | Electric cabinet lateral interlocking device for development machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215911332U true CN215911332U (en) | 2022-02-25 |
Family
ID=80292701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122029823.5U Active CN215911332U (en) | 2021-08-26 | 2021-08-26 | Electric cabinet lateral interlocking device for development machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215911332U (en) |
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2021
- 2021-08-26 CN CN202122029823.5U patent/CN215911332U/en active Active
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