CN115188613A

CN115188613A - Mechanical emergency starting device of fire pump control cabinet

Info

Publication number: CN115188613A
Application number: CN202210568664.2A
Authority: CN
Inventors: 吴义军; 石先琴
Original assignee: Anhui Shengteen Electronic Technology Co ltd
Current assignee: Anhui Shengteen Electronic Technology Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-10-14

Abstract

The invention discloses a mechanical emergency starting device of a fire pump control cabinet, which comprises an installation shell, wherein a guide block is fixedly installed on the upper part of the inner side surface of the installation shell, a transmission mechanism is movably sleeved on the outer side of the guide block and transversely arranged from left to right, the lower side of the transmission mechanism is in transmission connection with three balance wheels which are sequentially and equidistantly distributed from left to right, the right end of the balance wheel on the right side is in transmission connection with a driving device, the driving device is movably connected with the inner side surface of the installation shell in an inserting manner, the three balance wheels are movably connected with the inner side surface of the installation shell through shafts, the lower parts of the ends, far away from the inner side surface of the installation shell, of the three balance wheels are jointly in transmission connection with a starting device, a wire installing mechanism is arranged below the starting device, the wire installing mechanism is fixedly installed on the inner side surface of the installation shell, and the wire installing mechanism is electrically connected with the starting device. The mechanical emergency starting device for the fire pump control cabinet has the advantages of small starting force, easiness in operation, stable contact and longer service life.

Description

Mechanical emergency starting device of fire pump control cabinet

Technical Field

The invention relates to the technical field of fire pump control cabinets, in particular to a mechanical emergency starting device of a fire pump control cabinet.

Background

Pressure start, remote start and hard act as go-between start all realize automatic start-up pump through the relay, if relay and weak electric signal trouble can not during automatic start-up fire pump, "mechanical emergency starting device" that should rely on fire pump switch board to set up directly starts fire pump. The mechanical emergency starting device is a device for directly starting the fire pump by directly driving a mechanical interlocking device.

Patent No. CN210778284U is a device for mechanical emergency starting of a fire pump control cabinet, which adopts the design of a mechanical emergency starting device, when an electromagnetic relay fails and a water pump is started through the emergency device, a knob is rotated to the right side, the knob is rotated to the right side to drive an upper revolving seat and a lower revolving seat to swing to the left side, when the lower revolving seat rotates to a left side position through a vertical position, the lower revolving seat is automatically pushed to press a first conducting ring under the action of a spring, and a water pump circuit is switched on; in the use, the technical staff discovers, at the emergent starting drive of machinery, when moving to another motion state from a position state, velocity of motion is unchangeable, can appear the motion retardation, need great start-up dynamics to overcome this motion retardation, influence the operation, simultaneously, the contact that has also led to lower gyration seat and second conducting ring is the impact contact, can produce great impact force and great noise in the contact twinkling of an eye, this impact force can influence the joint strength between second terminal and the drain pan, form and strike and destroy, after carrying out the start-up operation many times, probably make the slope of second terminal, and service life is prolonged. Therefore, a mechanical emergency starting device of a fire pump control cabinet is provided.

Disclosure of Invention

The invention mainly aims to provide a mechanical emergency starting device of a fire pump control cabinet, which can effectively solve the problems in the background art.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a mechanical emergency starting drive of fire pump switch board, including the installation shell, the medial surface upper portion fixed mounting of installation shell has the guide block, the transmission mechanism has been cup jointed in the outside activity of guide block, horizontal setting about the transmission mechanism is, transmission mechanism's downside transmission is connected with from a left side to right in proper order three balance that the equidistance distributes, the right-hand member transmission of right side balance is connected with drive arrangement, drive arrangement alternates swing joint with the medial surface of installation shell, three balance all is through axle and the medial surface swing joint of installation shell, the common transmission of one end lower part of keeping away from the installation shell medial surface on the three balance is connected with starting drive, starting drive arrangement's below is provided with the mechanism of binding, the mechanism of binding fixed mounting is on the medial surface of installation shell, the mechanism of binding and starting drive arrangement electric connection.

Preferably, drive mechanism includes the slide, slide and the medial surface sliding fit of installation shell, run through on the slide be equipped with guide block matched with guide slot, fixed mounting has the transmission rack of being connected with the transmission of three balance on the slide, the right side of slide is provided with a set of connecting plate, the connecting plate is provided with two and is about distribution, and the right-hand member fixed connection of a connecting plate and slide, the medial surface fixed connection of another connecting plate and installation shell, common fixedly connected with reset spring between two connecting plates.

Preferably, the guide slot is long oval groove, and the one end joint of guide block has the anticreep board, and the anticreep board passes through screw detachably and links to each other with the guide block, keeps away from the one end sliding fit of installation shell medial surface on anticreep board and the slide.

Preferably, the wiring mechanism includes the mounting panel of fixed mounting on the mounting shell medial surface, the one end fixed mounting who keeps away from the mounting shell medial surface on the mounting panel has spacing collar and No. two spacing collars, spacing collar and No. two spacing collars all are provided with three and control the setting in turn, the joint is fixed with an electricity connection board and No. two electricity connection boards respectively in the spacing collar and No. two spacing collars, on the electricity connection board and on No. two electricity connection boards respectively fixed mounting have an electricity connection post and No. two electricity connection posts.

Preferably, no. one connect on the electroplax and connect on the electroplax respectively demountable installation have a wire and No. two wires, a wire and No. two wires are located the below of a power connection post and No. two power connection posts respectively, and all extend to the outside of installation shell.

Preferably, starting drive includes the guide arm, horizontal setting and joint are fixed on the installation shell about the guide arm is, the connecting rod has been cup jointed in the activity on the guide arm, the upper end fixed mounting of connecting rod has the three balladeur train that turns right equidistance from a left side and distributes, the lower extreme fixed mounting of connecting rod has the three right-angle frame that turns right equidistance from a left side and distributes, the inclined plane of right-angle frame is towards the left side, equal joint is fixed with the electricity pole on the inclined plane of three right-angle frame, the one end that the right-angle frame was kept away from to the electricity pole is provided with screens and No. two screens, a screens and No. two screens are the setting from top to bottom.

Preferably, a connecting column is fixedly mounted on the lower portion of one end, far away from the inner side face of the mounting shell, of the balance wheel, the sliding frame is movably sleeved on the connecting column, an anti-disengaging screw is connected to the connecting column in a threaded mode and is in contact with the sliding frame, and the first clamping position and the second clamping position are matched with the first power connection column and the second power connection column respectively.

Preferably, the driving device comprises a circular plate, a driving post is fixedly mounted at one end of the circular plate close to the inner side surface of the mounting shell, one end of the driving post far away from the circular plate movably penetrates through the inner side surface of the mounting shell and extends to the outer side of the mounting shell, a limiting knob is connected onto the driving post in a threaded manner and is in contact with the outer side surface of the mounting shell, a driving rod is fixedly mounted at one side of the peripheral side surface of the circular plate close to the right balance wheel, and the driving rod is in transmission connection with the right balance wheel.

Preferably, a groove is formed in the lower side of one end, close to the balance wheel on the right side, of the driving rod, a sliding groove is formed in the bottom surface of the groove, an ejection spring is fixedly mounted on the bottom surface of the sliding groove, an ejection column is fixedly mounted at the other end of the ejection spring, an ejector rod is fixedly mounted at the other end of the ejection column, and the ejector rod is in transmission connection with the balance wheel on the right side.

Preferably, the mechanical emergency starting device further comprises a rotating handle, and the rotating handle is in transmission fit with one end, far away from the circular plate, of the driving column; and a limiting block is fixedly arranged on the lower part of the right end face of the balance wheel on the right side, and the limiting block is matched with the ejector rod.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the rotating handle rotates the driving device, the driving device rotates to drive the balance wheel on the right side to rotate, the balance wheel on the right side drives the driving device to move, the driving device translates rightwards, and then drives the other two balance wheels to rotate, so that the three balance wheels synchronously rotate in the same direction, and further drives the starting device to move leftwards, so that the first clamping position and the second clamping position are respectively contacted with the first conducting post and the second conducting post, and thus the first conducting wire and the second conducting wire are communicated; according to the invention, in the process of driving the starting device to move through the rotating handle, the starting device can keep stable translation, no motion retardation occurs, the motion resistance is small, the required starting force is small, the formed impact force is greatly reduced at the moment that the first clamping position and the second clamping position are respectively contacted with the first conducting column and the second conducting column, the noise is low, the impact damage can be greatly reduced, and the service life of the whole device is longer; in conclusion, the invention has the advantages of small starting force, easy operation, stable contact and longer service life in the use process.

Drawings

FIG. 1 is an overall view of the closing of a mechanical emergency starting device of a fire pump control cabinet according to the present invention;

FIG. 2 is a plan view of a mechanical emergency starting apparatus of a fire pump control cabinet of the present invention as closed;

fig. 3 is a schematic structural diagram of a transmission mechanism and a loading mechanism of the mechanical emergency starting device of the fire pump control cabinet of the invention;

FIG. 4 is a schematic view of the connection between the starting device and the balance wheel of the mechanical emergency starting device of the fire pump control cabinet of the present invention;

FIG. 5 is a schematic structural diagram of an electric connecting rod of the mechanical emergency starting device of the fire pump control cabinet of the invention;

FIG. 6 is a schematic diagram of the connection of the driving mechanism and the balance wheel of the mechanical emergency starting device of the fire pump control cabinet of the present invention;

FIG. 7 is a schematic structural diagram of a driving device of a mechanical emergency starting device of a fire pump control cabinet according to the present invention;

fig. 8 is a partial structural schematic diagram of a driving device of a mechanical emergency starting device of a fire pump control cabinet.

In the figure: 1. mounting a shell; 2. a guide block; 3. a transmission mechanism; 4. a balance wheel; 41. connecting columns; 42. an anti-drop screw; 43. a limiting block; 5. starting the device; 6. a drive device; 7. a wire loading mechanism; 8. turning a handle; 9. an anti-drop plate; 10. a first conductive line; 11. a second lead; 31. a slide plate; 32. a guide groove; 33. a drive rack; 34. a connecting plate; 35. a return spring; 51. a guide bar; 52. a connecting rod; 53. a right-angle frame; 54. connecting a power rod; 55. a carriage; 541. a first card position; 542. clamping position II; 61. a circular plate; 62. a drive rod; 63. a groove; 64. a chute; 65. ejecting a spring; 66. a top pillar; 67. a top rod; 68. a drive column; 69. a limit knob; 71. mounting a plate; 72. a first limit ring; 73. a second limiting ring; 74. a first power connection plate; 741. a first power connection post; 75. a second connecting plate; 751. and the second number is connected with the electric pole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-8, a mechanical emergency starting device of a fire pump control cabinet comprises an installation shell 1, a guide block 2 is fixedly installed on the upper portion of the inner side surface of the installation shell 1, a transmission mechanism 3 is movably sleeved on the outer side of the guide block 2, the transmission mechanism 3 is transversely arranged left and right, three balance wheels 4 which are sequentially and equidistantly distributed from left to right are connected to the lower side of the transmission mechanism 3 in a transmission mode, a driving device 6 is connected to the right end of the balance wheel 4 on the right side in a transmission mode, the driving device 6 is movably connected with the inner side surface of the installation shell 1 in an penetrating mode, the three balance wheels 4 are movably connected with the inner side surface of the installation shell 1 through shafts, a starting device 5 is connected to the lower portion, far away from the inner side surface of the installation shell 1, of a line installing mechanism 7 is arranged below the starting device 5, the line installing mechanism 7 is fixedly installed on the inner side surface of the installation shell 1, and the line installing mechanism 7 is electrically connected with the starting device 5.

Further, the transmission mechanism 3 is in transmission connection with the three balance wheels 4, so that the three balance wheels 4 rotate synchronously; the transmission mechanism 3 comprises a sliding plate 31, the sliding plate 31 is in sliding fit with the inner side surface of the installation shell 1, a guide groove 32 matched with the guide block 2 is arranged on the sliding plate 31 in a penetrating manner, a transmission rack 33 in transmission connection with three balance wheels 4 is fixedly installed on the sliding plate 31, a group of connecting plates 34 are arranged on the right side of the sliding plate 31, the two connecting plates 34 are distributed in the left and right direction, one connecting plate 34 is fixedly connected with the right end of the sliding plate 31, the other connecting plate 34 is fixedly connected with the inner side surface of the installation shell 1, and a return spring 35 is fixedly connected between the two connecting plates 34 together. Guide slot 32 is oblong slot, guide block 2 is oblong block structure, and length is shorter than guide slot 32, sliding fit who forms the face between guide slot 32 and guide block 2, can make slide 31 do linear motion about steadily, the one end joint of guide block 2 has anticreep board 9, anticreep board 9 passes through screw detachably and links to each other with guide block 2, the one end sliding fit who keeps away from 1 medial surface of installation shell on anticreep board 9 and the slide 31, through the aforesaid setting, make slide 31 remove about can going on guide block 2, and can not break away from guide block 2, ensure the stationarity of removal.

Further, the wire installing mechanism 7 is used for installing a first wire 10 and a second wire 11, and can be matched with the starting device 5 to enable the left and right adjacent first wire 10 and second wire 11 to be communicated; wire installation mechanism 7 includes mounting panel 71 of fixed mounting on the installation shell 1 medial surface, the one end fixed mounting who keeps away from installation shell 1 medial surface on mounting panel 71 has spacing collar 72 and No. two spacing collars 73, spacing collar 72 and No. two spacing collars 73 all are provided with threely and are about being the setting in turn, the joint is fixed with an electricity connection board 74 and No. two electricity connection boards 75 in spacing collar 72 and No. two spacing collars 73 respectively, connect on the electricity board 74 and connect on the electricity board 75 respectively fixed mounting have an electricity connection post 741 and No. two electricity connection posts 751. First connect on the electric board 74 and connect on the electric board 75 respectively demountable installation have No. one wire 10 and No. two wire 11, and No. one wire 10 and No. two wire 11 are located the below of a connection post 741 and No. two connection posts 751 respectively, and all extend to the outside of installation shell 1.

It should be further noted that, in the wire-installing mechanism 7, except for the first and

second contact plates

74 and 75, the first and second

electrical posts

741 and 751, the rest of the structure is made of non-conductive material or has an insulating layer coated on the surface thereof, which can play a role of preventing electric leakage.

Further, the starting device 5 is used for communicating the first conducting wire 10 with the second conducting wire 11, when the starting device 5 is in contact with the wire installing mechanism 7, the first conducting wire 10 is communicated with the second conducting wire 11, and when the starting device 5 is not in contact with the wire installing mechanism 7, the first conducting wire 10 is not communicated with the second conducting wire 11; starting drive 5 includes guide arm 51, horizontal setting and joint are fixed on installation shell 1 about guide arm 51 is, connecting rod 52 has been cup jointed in the activity on guide arm 51, connecting rod 52's upper end fixed mounting has three from the carriage 55 of turning right the equidistance and distributing, connecting rod 52's lower extreme fixed mounting has three from the right-angle frame 53 of turning right the equidistance and distributing, right-angle frame 53's inclined plane is towards the left side, equal joint is fixed with the electric pole 54 that connects on three right-angle frame 53's the inclined plane, the one end that electric pole 54 kept away from right-angle frame 53 is provided with screens 541 and No. two screens 542, screens 541 and No. two screens 542 set up from top to bottom. The lower portion of one end, far away from the inner side face of the mounting shell 1, of the balance wheel 4 is fixedly provided with a connecting column 41, the sliding frame 55 is movably sleeved on the connecting column 41, an anti-disengaging screw 42 is connected to the connecting column 41 in a threaded mode, the anti-disengaging screw 42 is in contact with the sliding frame 55, the sliding frame 55 can slide up and down relative to the connecting column 41 and cannot be separated from the connecting column 41, the first clamping position 541 and the second clamping position 542 are matched with the first power connection column 741 and the second power connection column 751 respectively, a face, used for matching, of the first clamping position 541 and the second clamping position 542 is an arc face, and matching stability can be improved.

It should be further noted that, in the starting device 5, the electric connecting rod 54, the first detent 541 and the second detent 542 are integrally made of conductive material, and the rest of the structure is made of non-conductive material or has an insulating layer coated on the surface thereof to prevent electric leakage.

Further, the right balance 4 can be driven to rotate by the rotation of the driving device 6, so that the transmission mechanism 3, the other two balances 4 and the starting device 5 move; the driving device 6 comprises a circular plate 61, a driving column 68 is fixedly arranged at one end, close to the inner side surface of the mounting shell 1, of the circular plate 61, one end, far away from the circular plate 61, of the driving column 68 movably penetrates through the inner side surface of the mounting shell 1 and extends to the outer side of the mounting shell 1, a limiting knob 69 is connected to the driving column 68 in a threaded mode, the limiting knob 69 is in contact with the outer side surface of the mounting shell 1, after the limiting knob 69 is rotated to enable the limiting knob 69 to be tightly connected with the mounting shell 1, the driving device 6 and the mounting shell 1 can be fixed together, a driving rod 62 is fixedly arranged on one side, close to the right balance wheel 4, of the circumferential side surface of the circular plate 61, and the driving rod 62 is in transmission connection with the right balance wheel 4. A groove 63 is formed in the lower side of one end, close to the right balance wheel 4, of the driving rod 62, a sliding groove 64 is formed in the bottom surface of the groove 63, an ejection spring 65 is fixedly installed on the bottom surface of the sliding groove 64, an ejection column 66 is fixedly installed at the other end of the ejection spring 65, an ejection rod 67 is fixedly installed at the other end of the ejection column 66, and the ejection rod 67 is in transmission connection with the right balance wheel 4.

It should be further noted that the mechanical emergency starting device further comprises a rotating handle 8, the rotating handle 8 is in transmission fit with one end of the driving column 68 far away from the circular plate 61, and after the rotating handle 8 is inserted on the driving column 68, the driving column 68 can be rotated by rotating the rotating handle 8, so that the rotation of the driving device 6 is realized.

It should be further noted that a limiting block 43 is fixedly mounted on the lower portion of the right end face of the right balance 4, and the limiting block 43 is matched with the ejector rod 67; through the arrangement, when the driving rod 62 rotates to push the right balance wheel 4 to rotate and drive the starting device 5 to move leftwards, the first clamping position 541 and the second clamping position 542 are respectively contacted with the first power connection post 741 and the second power connection post 751, the driving rod 62 can not rotate along the original direction any more, at the moment, the limit knob 69 can be rotated to fix the driving device 6 and the mounting shell 1 together, and the first clamping position 541 and the second clamping position 542 are respectively kept continuously and stably contacted with the first power connection post 741 and the second power connection post 751 to prevent separation.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an emergent starting drive of machinery of fire pump switch board, includes installation shell (1), its characterized in that: the wire installing mechanism is characterized in that a guide block (2) is fixedly mounted on the upper portion of the inner side face of the installation shell (1), a transmission mechanism (3) is movably sleeved on the outer side of the guide block (2), the transmission mechanism (3) is transversely arranged left and right, three balance wheels (4) which are sequentially distributed at equal intervals from left to right are connected to the lower side of the transmission mechanism (3), a driving device (6) is connected to the right end of each balance wheel (4) in a transmission mode, the driving device (6) is movably connected with the inner side face of the installation shell (1) in an inserted mode, the three balance wheels (4) are movably connected with the inner side face of the installation shell (1) through shafts, a starting device (5) is connected to the lower portion, far away from the inner side face of the installation shell (1), of each balance wheel (4) in a common transmission mode, a wire installing mechanism (7) is arranged below the starting device (5), the wire installing mechanism (7) is fixedly mounted on the inner side face of the installation shell (1), and the wire installing mechanism (7) is electrically connected with the starting device (5).

2. A mechanical emergency starting device for a fire pump control cabinet according to claim 1, characterized in that: drive mechanism (3) are including slide (31), the medial surface sliding fit of slide (31) and installation shell (1), slide (31) are gone up to run through and are equipped with guide slot (32) with guide block (2) matched with, and fixed mounting has transmission rack (33) of being connected with three balance (4) transmission on slide (31), the right side of slide (31) is provided with a set of connecting plate (34), connecting plate (34) are provided with two and are left and right sides and distribute, and the right-hand member fixed connection of one connecting plate (34) and slide (31), the medial surface fixed connection of another connecting plate (34) and installation shell (1), two common fixedly connected with reset spring (35) between connecting plate (34).

3. A mechanical emergency starting device for a fire pump control cabinet according to claim 2, characterized in that: guide slot (32) are oblong slot, the one end joint of guide block (2) has anticreep board (9), and anticreep board (9) link to each other with guide block (2) through screw detachably, keep away from the one end sliding fit of installation shell (1) medial surface on anticreep board (9) and slide (31).

4. A mechanical emergency starting device for a fire pump control cabinet according to claim 1, characterized in that: wire installation mechanism (7) include mounting panel (71) of fixed mounting on installation shell (1) medial surface, and the one end fixed mounting who keeps away from installation shell (1) medial surface on mounting panel (71) has spacing collar (72) and No. two spacing collars (73), spacing collar (72) and No. two spacing collars (73) all are provided with three and are about and set up in turn, no. one spacing collar (72) and No. two spacing collars (73) in respectively the joint be fixed with connect electric plate (74) and connect electric plate (75) No. two, connect electric plate (74) on and No. two connect electric plate (75) on respectively fixed mounting have an electricity post (741) and No. two electricity post (751).

5. A mechanical emergency starting device of a fire pump control cabinet according to claim 4, characterized in that: connect on electric board (74) and connect respectively demountable installation on electric board (75) with No. two and have wire (10) and No. two wire (11), wire (10) and No. two wire (11) are located the below of a power connection post (741) and No. two power connection post (751) respectively, and all extend to the outside of installation shell (1).

6. A mechanical emergency starting device for a fire pump control cabinet according to claim 3, characterized in that: starting drive (5) are including guide arm (51), horizontal setting and joint are fixed on installation shell (1) about guide arm (51) are, and connecting rod (52) have been cup jointed in the activity on guide arm (51), the upper end fixed mounting of connecting rod (52) has three carriage (55) that turn right equidistance from a left side and distribute, the lower extreme fixed mounting of connecting rod (52) has three right angle frame (53) that turn right equidistance from a left side and distribute, the inclined plane of right angle frame (53) is towards the left side, and is three equal joint is fixed with on the inclined plane of right angle frame (53) connects electric pole (54), the one end that connects electric pole (54) to keep away from right angle frame (53) is provided with screens (541) and No. screens (542), screens (541) and No. screens (542) set up from top to bottom.

7. A mechanical emergency starting device for a fire pump control cabinet according to claim 6, characterized in that: keep away from one end lower part fixed mounting of installation shell (1) medial surface on balance (4) has spliced pole (41), balladeur train (55) activity cover is established on spliced pole (41), threaded connection has anticreep screw (42) on spliced pole (41), anticreep screw (42) and balladeur train (55) contact, no. one screens (541) and No. two screens (542) connect electric post (741) and No. two cooperation of connecting electric post (751) with a number respectively.

8. A mechanical emergency starting device for a fire pump control cabinet according to claim 1, characterized in that: the driving device (6) comprises a circular plate (61), a driving column (68) is fixedly mounted at one end, close to the inner side face of the mounting shell (1), of the circular plate (61), one end, far away from the circular plate (61), of the driving column (68) movably penetrates through the inner side face of the mounting shell (1) and extends to the outer side of the mounting shell (1), a limiting knob (69) is connected onto the driving column (68) in a threaded mode, the limiting knob (69) is in contact with the outer side face of the mounting shell (1), a driving rod (62) is fixedly mounted on one side, close to the right balance wheel (4), of the circumferential side face of the circular plate (61), and the driving rod (62) is in transmission connection with the right balance wheel (4).

9. A mechanical emergency starting device for a fire pump control cabinet according to claim 8, characterized in that: a groove (63) is formed in the lower side of one end, close to the right balance wheel (4), of the driving rod (62), a sliding groove (64) is formed in the bottom surface of the groove (63), an ejection spring (65) is fixedly mounted on the bottom surface of the sliding groove (64), an ejection column (66) is fixedly mounted at the other end of the ejection spring (65), an ejector rod (67) is fixedly mounted at the other end of the ejection column (66), and the ejector rod (67) is in transmission connection with the right balance wheel (4).

10. A mechanical emergency starting device for a fire pump control cabinet according to claim 8, characterized in that: the mechanical emergency starting device further comprises a rotating handle (8), and the rotating handle (8) is in transmission fit with one end, far away from the circular plate (61), of the driving column (68); and a limiting block (43) is fixedly mounted on the lower part of the right end face of the balance wheel (4) on the right side, and the limiting block (43) is matched with the ejector rod (67).