CN211125489U - Manual brake separating device - Google Patents

Abstract

The utility model relates to a permanent magnetism circuit breaker technical field provides a manual separating brake device for the sealed hub rotation of drive permanent magnetic mechanism, sealed hub and the sealed assembly of gas tank front bezel and the outside that partly stretches out to the gas tank front bezel, manual separating brake device includes: locate the mounting bracket on the gas tank front bezel lateral wall, rotate and locate on the mounting bracket and with the main shaft that sealed shaft drive is connected rotates and locates on the mounting bracket and through first drive mechanism with the operating axis that main shaft drive is connected, and locate on the mounting bracket and through second drive mechanism with the auxiliary switch that main shaft drive is connected. Through setting up manual separating brake device in the outside of gas tank front bezel to make things convenient for manual separating brake device's operation, set up auxiliary switch in the gas tank outside simultaneously, provide reliable contact for the secondary circuit design of cubical switchboard like this, make things convenient for production and maintenance. The manual brake separating device has the advantages of low installation requirement, convenience in operation and convenience in brake separating state judgment.

Description

Manual brake separating device

Technical Field

The utility model belongs to the technical field of permanent magnetism circuit breaker technique and specifically relates to a manual separating brake device is related to.

Background

In the field of medium and high voltage power transmission and distribution, the permanent magnet ring network switch cabinet is widely applied, and the circuit breaker is an important switch element in the switch cabinet. The circuit breaker is provided with a spring operating mechanism circuit breaker and a permanent magnet operating mechanism circuit breaker, but the two mechanisms have great difference only in mechanical service life, generally, the spring mechanism is ten thousand to thirty thousand times, and the permanent magnet mechanism can reach ten thousand times. The permanent magnet mechanism is widely applied due to the advantages of simple structure, small volume, simple transmission and the like.

In the permanent magnet ring network switch cabinet, a permanent magnet mechanism of the permanent magnet circuit breaker can be switched on and off electrically and can also be switched off manually, wherein the manual switching-off can be used only under the emergency condition that accidents or other faults occur in the electric switching-on and switching-off. At present, a permanent magnet mechanism is generally sealed in an air box of a switch cabinet, and the air box is assembled in the switch cabinet, so that manual opening cannot be performed at the first time, and the severity of accidents is increased. In addition, in order to satisfy the secondary design demand of cubical switchboard, need provide permanent magnetic mechanism's auxiliary contact, need draw the gas tank outside with permanent magnetic mechanism's auxiliary contact from the gas tank inside this moment, there is the potential safety hazard of gas leakage in this process to only accomplish and inspect qualified rear with the secondary line of inside auxiliary contact and can seal the gas tank, reduced the efficiency of production like this, when the problem appearing, need decompose the gas tank, cause the cost too high. Therefore, the existing permanent magnet circuit breaker has higher installation requirement and is inconvenient for manual opening operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manual separating brake device aims at solving among the prior art permanent magnetic mechanism and has the technical problem of the high and inconvenient manual separating brake operation of installation requirement.

In order to achieve the above object, the utility model adopts the following technical scheme: a manual brake separating device is used for driving a sealing shaft of a permanent magnet mechanism to rotate, the sealing shaft is assembled with a front plate of an air box in a sealing mode and partially extends to the outer side of the front plate of the air box, and the manual brake separating device comprises: locate mounting bracket on the gas tank front bezel lateral wall rotates to be located on the mounting bracket and with the main shaft that sealed shaft drive is connected rotates to be located on the mounting bracket and through first drive mechanism with the operating axis that main shaft drive is connected, and locate on the mounting bracket and through second drive mechanism with the auxiliary switch that main shaft drive is connected.

In one embodiment, the mounting bracket comprises: the gas tank comprises a first supporting column arranged on the outer side wall of a front plate of the gas tank, a first mounting plate arranged at one end, far away from the front plate of the gas tank, of the first supporting column, a second supporting column arranged on the first mounting plate, and a second mounting plate arranged at one end, far away from the first mounting plate, of the second supporting column; the main shaft with the operating shaft interval rotates and sets up first mounting panel with on the second mounting panel, the main shaft is close to the one end of gas tank front bezel is in first mounting panel with between the gas tank front bezel with sealed hub drive is connected.

In one embodiment, the first transmission mechanism is disposed between the first mounting plate and the second mounting plate, the first transmission mechanism including: the driving mechanism comprises a first driving plate fixedly arranged on the operating shaft, a driving pin fixedly arranged on the first driving plate, and a second driving plate fixedly arranged on the main shaft, wherein the driving pin drives the second driving plate to rotate along with the rotation of the first driving plate.

In one embodiment, a first hanging pin is arranged on one side, close to the first mounting plate, of the second mounting plate, a second hanging pin is arranged on one side, close to the second mounting plate, of the first driving plate, and a tension spring is connected between the first hanging pin and the second hanging pin.

In one embodiment, the first hanging pin and the second hanging pin both comprise a head cap and a connecting section with a diameter smaller than that of the head cap, two ends of the tension spring are respectively sleeved on the connecting section of the first hanging pin and the connecting section of the second hanging pin, the connecting section of the first hanging pin is in threaded connection with the first mounting plate, and the connecting section of the second hanging pin is in threaded connection with the first driving plate.

In one embodiment, the second transmission mechanism is disposed between the air box front plate and the first mounting plate, and the second transmission mechanism includes: the auxiliary switch comprises a transmission piece fixedly arranged on the main shaft, a crank arm fixedly arranged on a rotating shaft of the auxiliary switch, and a connecting piece, wherein two ends of the connecting piece are respectively hinged with the transmission piece and the crank arm.

In one embodiment, four second support columns are arranged, the four second support columns are distributed in a rectangular shape, and one second support column located below the same side is a limiting column for limiting the rotation angle of the first drive plate.

In one embodiment, the second support column comprises a screw and a stop collar sleeved on the screw, the screw penetrates through the second mounting plate and is in threaded connection with the first mounting plate, and the stop collar is located between the first mounting plate and the second mounting plate.

In one embodiment, the main shaft and the sealing shaft are in transmission connection through a driving sleeve, one end of the driving sleeve is fixedly arranged on the main shaft, and the other end of the driving sleeve is in limit insertion connection with the sealing shaft.

In one embodiment, a handle is detachably arranged at one end of the operating shaft, which is far away from the front plate of the gas tank, and a split-combination indicator and an interlocking connecting plate are arranged at one end of the main shaft, which is far away from the sealing shaft.

The utility model has the advantages that:

the utility model provides a pair of manual separating brake device is through setting up manual separating brake device in the outside of gas tank front bezel to make things convenient for manual separating brake device's installation and operation, set up auxiliary switch in the gas tank outside simultaneously, provide reliable contact for the secondary circuit design of cubical switchboard like this, and do not influence the leakproofness of gas tank, thereby make things convenient for production and maintenance. Compared with the prior art, the manual brake separating device has the advantages of low installation requirement, convenience in operation and convenience in brake separating state judgment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a position cross section of a manual opening device provided in an air box front plate according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a position where a manual opening device provided in an embodiment of the present invention is disposed on a front plate of an air box;

fig. 3 is a schematic front oblique view structural diagram of the manual brake separating device according to the embodiment of the present invention;

fig. 4 is a schematic rear oblique view structure diagram of the manual brake separating device provided by the embodiment of the present invention.

Reference numerals: 1. a gas box front plate; 2. a permanent magnet mechanism; 21. a seal shaft; 22. a flange plate; 30. a manual brake separating device; 3. a mounting frame; 31. a first support column; 32. a first mounting plate; 33. a second support column; 331. a screw; 332. a limiting sleeve; 34. a second mounting plate; 4. a main shaft; 41. a drive sleeve; 411. a limiting hole; 42. opening and closing the indicating plate; 43. interlocking the connection plates; 5. a first transmission mechanism; 51. a first drive plate; 52. a drive pin; 53. a second drive plate; 6. an operating shaft; 7. a second transmission mechanism; 71. a driving strap; 72. a crank arm; 73. connecting sheets; 8. an auxiliary switch; 81. a rotating shaft; 9. a first hanger pin; 10. and a second hanger pin.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to fig. 3, a manual opening device provided by the present invention will now be described. The manual opening device 30 is used for emergency opening of the permanent magnet mechanism 2 of the permanent magnet circuit breaker. The permanent magnet mechanism 2 of the permanent magnet circuit breaker is arranged in an air box, and the air box is arranged in the switch cabinet. Manual separating brake device 30 sets up on the lateral wall of gas tank front bezel 1, the sealed axle 21 of permanent magnetic mechanism 2 passes through flange plate 22 and sealed bearing and rotates the setting on gas tank front bezel 1, sealed axle 21 part stretches out to the outside of gas tank front bezel 1, so that sealed axle 21 of manual separating brake device 30 drive is rotatory, reach the purpose that carries out manual separating brake to permanent magnetic mechanism 2, in this embodiment, permanent magnetic mechanism 2 is installed inside the gas tank, manual separating brake device 30 is installed outside the gas tank, consequently only need to seal sealed axle 21 department can, greatly reduced the installation difficulty like this, conveniently carry out manual separating brake again simultaneously.

Specifically, as shown in fig. 2 and 3, the manual opening device 30 includes: the mounting bracket 3 is arranged on the outer side wall of the front plate 1 of the air box, the main shaft 4 which is arranged on the mounting bracket 3 in a rotating mode and is in transmission connection with the sealing shaft 21 is rotated, the operating shaft 6 which is arranged on the mounting bracket 3 in a rotating mode and is in transmission connection with the main shaft 4 through the first transmission mechanism 5 is rotated, and the auxiliary switch 8 which is arranged on the mounting bracket 3 in a rotating mode and is in transmission connection with the main shaft 4 through the second transmission mechanism 7 is arranged.

When the permanent magnet mechanism 2 needs to be manually opened, the rotating force is applied to the operating shaft 6, the operating shaft 6 rotates, the rotating force is transmitted to the main shaft 4 through the first transmission mechanism 5, the main shaft 4 drives the sealing shaft 21 to rotate to realize the opening of the permanent magnet mechanism 2 when rotating, meanwhile, the rotating force of the main shaft 4 is transmitted to the auxiliary switch 8 through the second transmission mechanism 7, and the contact state on the auxiliary switch 8 is driven to synchronously change to reflect the opening and closing state of the permanent magnet mechanism 2.

The embodiment of the utility model provides a pair of manual separating brake device, through setting up manual separating brake device 30 in the outside of gas tank front bezel 1, thereby make things convenient for manual separating brake device 30's installation and operation, set up auxiliary switch 8 in the gas tank outside simultaneously, the secondary circuit design for the cubical switchboard provides reliable contact like this, and do not influence the gas tightness of gas tank, convenient production and maintenance, and can reflect permanent magnetic mechanism 2's divide-shut brake state, make this manual separating brake device 30 have the installation requirement low, convenient operation and judge the convenient advantage of separating brake state.

Specifically, as shown in fig. 2 and 3, in the present embodiment, the mount 3 includes: locate first support column 31 on the gas tank front bezel 1 lateral wall, locate first mounting panel 32 that first support column 31 kept away from gas tank front bezel 1 one end, locate second support column 33 on first mounting panel 32 to and locate second support column 33 and keep away from the second mounting panel 34 of first mounting panel 32 one end. In this embodiment, the first supporting column 31 and the second supporting column 33 are both provided with four and arranged in a rectangular shape, in other embodiments, six or eight supporting columns may be provided for the first supporting column 31 and the second supporting column 33, or the first supporting column 31 and the second supporting column 32 are replaced by supporting plates, the first supporting column 31 functions to enable a certain distance to be reserved between the first mounting plate 32 and the air box front plate 1, so as to provide a space for the transmission connection between the main shaft 4 and the sealing shaft 21 and the transmission connection between the second transmission mechanism 7 and the auxiliary switch 8, and the second supporting column 33 functions to enable a certain distance to be reserved between the second mounting plate 34 and the first mounting plate 32, so as to facilitate the installation of the first transmission mechanism 5 and the auxiliary switch 8. In this embodiment, the first support column 31 is an outer hexagonal stud, one end of the first support column 31 is connected with the front plate 1 of the air box by a screw, and the other end passes through the first mounting plate 32 and is screwed with a nut.

In the embodiment, the main shaft 4 and the operating shaft 6 are arranged on the first mounting plate 32 and the second mounting plate 34 in a spaced and rotating mode, one end, close to the air box front plate 1, of the main shaft 4 is in transmission connection with the sealing shaft 21 in the space between the first mounting plate 32 and the air box front plate 1, the other end of the main shaft 4 is arranged on the second mounting plate 34 in a rotating mode, and the auxiliary switch 8 is fixed on the first mounting plate 32. One end of the operating shaft 6 is rotatably disposed on the first mounting plate 32, and after the operating shaft 6 penetrates the second mounting plate 34, the other end of the operating shaft 6 extends out of a portion of the second mounting plate 34, and the extended portion of the operating shaft 6 is used for applying a rotating force to the operating shaft 6 by a worker, so as to drive the operating shaft 6 to rotate.

In the present embodiment, as shown in fig. 3 and 4, the first transmission mechanism 5 is disposed between the first mounting plate 32 and the second mounting plate 34, which is advantageous for reducing the influence of the outside on the first transmission mechanism 5. In the present embodiment, the first transmission mechanism 5 includes: the driving device comprises a first driving plate 51 fixedly arranged on the operating shaft 6, a driving pin 52 fixedly arranged on the first driving plate 51, and a second driving plate 53 fixedly arranged on the main shaft 4, wherein the driving pin 52 drives the second driving plate 53 to rotate along with the rotation of the first driving plate 51. In the present embodiment, the first driving plate 51 is fixed on the operating shaft 6 by a limiting type hole, so that the first driving plate 51 is not only convenient to install, but also can rotate synchronously with the operating shaft 6, and similarly, the second driving plate 53 is installed on the main shaft 4 by the same way. In the present embodiment, the driving pin 52 is disposed on the first driving plate 51 by means of screw connection, the length direction of the driving pin 52 is the same as the length direction of the spindle 4, and the length directions of the first driving plate 51 and the second driving plate 53 are perpendicular to the length direction of the spindle 4. Therefore, the transmission pin 52 can push the second driving plate 53 to rotate in the rotating process, and the second driving plate 53 synchronously drives the main shaft 4 to rotate when rotating, so that the opening action of the permanent magnetic mechanism 2 is realized.

In the present embodiment, as shown in fig. 3 and 4, a first hanging pin 9 is provided on a side of the second mounting plate 34 close to the first mounting plate 32, a second hanging pin 10 is provided on a side of the first driving plate 51 close to the second mounting plate 34, and a tension spring is connected between the first hanging pin 9 and the second hanging pin 10. The tension spring serves to restore the first driving plate 51 to the original position by elastic tension, thereby facilitating the next manual operation of the operating shaft 6. Wherein the initial position is a position before the driving pin 52 does not drive the second driving plate 53 to rotate.

In this embodiment, the first hanging pin 9 and the second hanging pin 10 both include a head cap and a connecting section with a diameter smaller than that of the head cap, the connecting section is a threaded section, two ends of the tension spring are circular rings, two ends of the tension spring are respectively sleeved on the connecting section of the first hanging pin 9 and the connecting section of the second hanging pin 10, the connecting section of the first hanging pin 9 is in threaded connection with the first mounting plate 32, and the connecting section of the second hanging pin 10 is in threaded connection with the first driving plate 51. Wherein, first hanging round pin 9 and second hanging round pin 10 adopt threaded connection's mode, make things convenient for first hanging round pin 9 and the installation of second hanging round pin 10, and the ring cover of extension spring is established on first hanging round pin 9 and second hanging round pin 10, guarantees the convenience and the stability of its installation like this. Wherein the connecting section can also be sleeved with an isolating sleeve, and a circular ring used for accommodating the tension spring is arranged between the isolating sleeve and the head sleeve, so that the compactness of the position of the tension spring is ensured. In other embodiments, the two ends of the tension spring can also be hooks, and the tension spring is hung on the first hanging pin 9 and the second hanging pin 10 through the hooks.

In the present embodiment, as shown in fig. 3 and 4, the second transmission mechanism 7 is provided between the air box front plate 1 and the first mounting plate 32, so that interference between the second transmission mechanism 7 and the first transmission mechanism 5 is avoided, and the mounting space is reduced. In the present embodiment, the second transmission mechanism 7 includes: the auxiliary switch comprises a transmission piece 71 fixedly arranged on the main shaft 4, a crank arm 72 fixedly arranged on a rotating shaft 81 of the auxiliary switch 8, and a connecting piece 73 with two ends respectively hinged with the transmission piece 71 and the crank arm 72. Wherein the driving plate 71 is an eccentric plate, the connecting lever 72 is a U-shaped bending plate, one end of the connecting plate 73 is hinged to the driving plate 71 by rotating a bolt or a rotating pin, the other end of the connecting plate 73 is arranged in a U-shaped opening of the connecting lever 72 and is hinged to the connecting lever 72 by a screw or a rotating pin, a rectangular clamping hole is formed in the connecting lever 72, a rotating shaft 81 of the auxiliary switch 8 is a rectangular shaft, the rotating shaft 81 is clamped in the rectangular clamping hole, when the main shaft 4 drives the driving plate 71 to rotate, the driving plate 71 drives the rotating shaft 81 to rotate by the connecting plate 73 and the connecting lever 72, thereby realizing the synchronous rotation of the main shaft 4 and the rotating shaft 81, and achieving the purpose that the auxiliary switch 8 synchronously reacts the opening and closing state of the permanent.

In this embodiment, as shown in fig. 2, 3 and 4, the main shaft 4 is in transmission connection with the sealing shaft 21 through a driving sleeve 41, one end of the driving sleeve 41 is fixedly arranged on the main shaft 4, and the other end is in limit insertion connection with the sealing shaft 21. Specifically, the driving sleeve 41 is provided with a limiting hole 411, the limiting hole 411 is a square hole, the sealing shaft 21 is inserted into the limiting hole 411, so that the synchronous rotation of the main shaft 4 and the sealing shaft 21 is realized, and the limiting hole 411 may also be a polygonal hole such as a hexagonal hole.

In the present embodiment, as shown in fig. 3 and 4, four second supporting pillars 33 are distributed in a rectangular shape, and one second supporting pillar 33 located below the same side is a limiting pillar for limiting the rotation angle of the first driving plate 51. Specifically, the upper and lower two of the same side are disposed close to the auxiliary switch 8, and the other upper and lower two are disposed away from the auxiliary switch 8. The second supporting column 33 which is far away from the auxiliary switch 8 and located above is used for limiting the second driving plate 53 to rotate anticlockwise for one circle, so that the second driving plate 53 is prevented from being located above the driving pin 52 after rotating anticlockwise for one circle, the driving pin 52 cannot push the first driving plate 51 to rotate anticlockwise, and the second supporting column 33 which is far away from the auxiliary switch 8 and located below is used for limiting the first driving plate 51 to rotate anticlockwise for one circle, and is also used for positioning the initial position of the first driving plate 51. In the present embodiment, the up-down direction refers to the up-down direction in the drawing.

Specifically, in the present embodiment, the working process of the manual opening device 30 is as follows: in the initial state, one end of the first driving plate 51 abuts against one second supporting column 33 which is far away from the auxiliary switch 8 and is positioned below, the driving pin 52 is positioned above the second driving plate 53, and the tension spring is in a natural initial state; when the permanent magnet mechanism 2 needs to be manually opened, an anticlockwise rotating force is applied to the operating shaft 6, so that the operating shaft 6 rotates anticlockwise by a certain angle, the operating shaft 6 drives the first driving plate 53 and the driving pin 52 to rotate anticlockwise in the anticlockwise rotating process, the driving pin 52 pushes the second driving sheet 71 to rotate clockwise, the main shaft 4 is driven to rotate clockwise, and in the rotating process of the operating shaft 6, the distance between the first hanging pin 9 and the second hanging pin 10 is gradually increased, so that the tension spring is gradually in a stretching state; on one hand, the main shaft 4 drives the sealing shaft 21 to rotate clockwise by a certain angle through the driving sleeve 41 to realize manual opening and closing of the permanent magnet mechanism 2, on the other hand, the main shaft 4 drives the rotating shaft 81 of the auxiliary switch 8 to rotate synchronously through the driving sheet 71, the connecting sheet 73 and the connecting lever 72, at the moment, the on state of the contact of the auxiliary switch 8 is changed, the previous normally open contact is changed into a normally closed contact, and the normally closed contact is changed into a normally open contact, so that the auxiliary switch 8 can provide corresponding auxiliary contacts for electric appliances in a secondary circuit in a linkage mode, and the opening and closing state of the permanent magnet mechanism 2 can also be judged through the auxiliary. After the permanent magnet mechanism 2 is switched off, the rotating force applied to the operating shaft 6 is cancelled, the first driving plate 51 is pulled to rotate clockwise and return to the initial position under the elastic tension of the tension spring returning to the natural initial state, and at the moment, one end of the first driving plate 51 abuts against the second supporting column 33 below to limit.

Specifically, in this embodiment, the second supporting column 33 includes a threaded rod 331 and a position-limiting sleeve 332 disposed on the threaded rod 331, the threaded rod 331 is threaded to the first mounting plate 32 through the second mounting plate 34, the position-limiting sleeve 332 is disposed between the first mounting plate 32 and the second mounting plate 34, the position-limiting sleeve 332 is used for limiting the distance between the first mounting plate 32 and the second mounting plate 34,

specifically, in this embodiment, the detachable handle that is equipped with of one end that air tank front bezel 1 was kept away from to operating axis 6, the handle is used for conveniently applying the revolving force for operating axis 6, labour saving and time saving, the detachable setting of handle, when not using, the handle is in the dismantlement state, can avoid operating axis 6 to appear the pivoted condition because of unexpected turning handle like this. And a split-combination indicator plate 42 and an interlocking connecting plate 43 are arranged at one end of the main shaft 4 far away from the sealing shaft 21. Wherein divide-shut dial setting is at the terminal surface of main shaft 4, divide-shut sign 42 is last to have two to show the gear, a demonstration combined floodgate state, another demonstration separating brake state, make things convenient for the audio-visual branch combined floodgate state of judging permanent magnetic mechanism 2 in the gas tank of staff like this, interlocking connecting plate 43 is fixed between second mounting panel 34 and divide-shut sign 42, interlocking connecting plate 43 and main shaft 4 synchronous revolution, interlocking connecting plate 43 is used for connecting the interlocking between permanent magnetism circuit breaker and the isolator, thereby satisfy the five-prevention interlocking demand of cubical switchboard.

The embodiment of the utility model provides a manual separating brake device through with it sets up in the 1 outside of gas tank front bezel, can realize externally carrying out the separating brake to permanent magnetic mechanism 2 like this, has the advantage of swift, convenient operation, sets up auxiliary switch 8 in the 1 outside of gas tank front bezel simultaneously, can shift the auxiliary contact of gas tank inside to the gas tank outside like this, provides reliable contact, convenient production and maintenance for the secondary circuit design of cubical switchboard.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A manual switching-off device is used for driving a sealing shaft of a permanent magnet mechanism to rotate, the sealing shaft is assembled with a front plate of an air box in a sealing mode and partially extends to the outer side of the front plate of the air box, and the manual switching-off device is characterized by comprising: locate mounting bracket on the gas tank front bezel lateral wall rotates to be located on the mounting bracket and with the main shaft that sealed shaft drive is connected rotates to be located on the mounting bracket and through first drive mechanism with the operating axis that main shaft drive is connected, and locate on the mounting bracket and through second drive mechanism with the auxiliary switch that main shaft drive is connected.

2. The manual opening device of claim 1, wherein the mounting bracket comprises: the gas tank comprises a first supporting column arranged on the outer side wall of a front plate of the gas tank, a first mounting plate arranged at one end, far away from the front plate of the gas tank, of the first supporting column, a second supporting column arranged on the first mounting plate, and a second mounting plate arranged at one end, far away from the first mounting plate, of the second supporting column; the main shaft with the operating shaft interval rotates and sets up first mounting panel with on the second mounting panel, the main shaft is close to the one end of gas tank front bezel is in first mounting panel with between the gas tank front bezel with sealed hub drive is connected.

3. The manual opening and closing device according to claim 2, wherein the first transmission mechanism is disposed between the first mounting plate and the second mounting plate, and the first transmission mechanism comprises: the driving mechanism comprises a first driving plate fixedly arranged on the operating shaft, a driving pin fixedly arranged on the first driving plate, and a second driving plate fixedly arranged on the main shaft, wherein the driving pin drives the second driving plate to rotate along with the rotation of the first driving plate.

4. The manual brake separating device according to claim 3, wherein a first hanging pin is arranged on one side of the second mounting plate close to the first mounting plate, a second hanging pin is arranged on one side of the first driving plate close to the second mounting plate, and a tension spring is connected between the first hanging pin and the second hanging pin.

5. The manual switching-off device according to claim 4, wherein the first hanging pin and the second hanging pin each comprise a head cap and a connecting section with a diameter smaller than that of the head cap, two ends of the tension spring are respectively sleeved on the connecting section of the first hanging pin and the connecting section of the second hanging pin, the connecting section of the first hanging pin is in threaded connection with the first mounting plate, and the connecting section of the second hanging pin is in threaded connection with the first driving plate.

6. The manual brake separating device of claim 4, wherein the second transmission mechanism is disposed between the air box front plate and the first mounting plate, and the second transmission mechanism comprises: the auxiliary switch comprises a transmission piece fixedly arranged on the main shaft, a crank arm fixedly arranged on a rotating shaft of the auxiliary switch, and a connecting piece, wherein two ends of the connecting piece are respectively hinged with the transmission piece and the crank arm.

7. The manual brake separating device according to claim 3, wherein four second support columns are arranged, the four second support columns are distributed in a rectangular shape, and one second support column located below the same side is a limiting column for limiting the rotation angle of the first driving plate.

8. The manual brake separating device of claim 7, wherein the second supporting column comprises a screw and a limiting sleeve sleeved on the screw, the screw passes through the second mounting plate and is in threaded connection with the first mounting plate, and the limiting sleeve is located between the first mounting plate and the second mounting plate.

9. The manual brake separating device according to claim 1, wherein the main shaft is in transmission connection with the sealing shaft through a driving sleeve, one end of the driving sleeve is fixedly arranged on the main shaft, and the other end of the driving sleeve is in limit insertion connection with the sealing shaft.

10. The manual brake separating device according to any one of claims 1 to 9, wherein a handle is detachably arranged at one end of the operating shaft away from the front plate of the gas box, and a separation and combination indicator plate and an interlocking connecting plate are arranged at one end of the main shaft away from the sealing shaft.

Images