Mechanical emergency starting mechanism of fire pump control cabinet

Abstract

The utility model discloses a fire pump control cabinet mechanical emergency starting mechanism which comprises an outer shell, a first binding post and a second binding post are arranged at the bottom in a cavity of the outer shell, a lifting plate is arranged in the cavity in an elastic sliding mode through a guide rod and a spring, and a wire post communicating base is arranged on the lower side of the lifting plate. A groove is formed in the lower side of the wire column communicating seat, a conductive metal sheet is arranged in the groove in the lower side of the wire column communicating seat, a cam is rotationally arranged on the upper portion in the cavity through a rotating shaft, and an active upward jacking mechanism is further arranged on the lower portion in the cavity. A conductive metal sheet is arranged on the lower side of the lifting plate through a wire column communicating seat, a cam is rotationally arranged on the upper portion in the cavity through a rotating shaft, the cam is rotated through the rotating shaft, the conductive metal sheet can move downwards to press the upper portions of the first binding post and the second binding post, circuits of the first binding post and the second binding post are connected, and therefore mechanical emergency starting treatment of the fire pump is facilitated; and the opening and closing stability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical emergency starting, in particular to a mechanical emergency starting mechanism for a fire pump control cabinet. Background Art

[0002] Pressure start, remote start and hard pull line start all use relays to start the pump automatically. If the relay and weak current signal fail to start the fire pump automatically, the fire pump should be started directly by the "mechanical emergency start device" set in the fire pump control cabinet. The "mechanical emergency start device" is a device that directly starts the fire pump through a mechanical interlocking device.

[0003] In the prior art, the application number of 202210568664.2 is a mechanical emergency starting device for a fire pump control cabinet, which includes a mounting shell, three pendulum wheels are movably connected to the inner side of the mounting shell through an axis, and the lower part of one end of the three pendulum wheels away from the inner side of the mounting shell is commonly connected to the starting device through transmission, and a wire loading mechanism is arranged below the starting device, which is fixedly mounted on the inner side of the mounting shell, and the wire loading mechanism is electrically connected to the starting device. The mechanical emergency starting device for a fire pump control cabinet of the invention has the advantages of small starting force, easy operation, stable contact, and longer service life, but it has a complex structure, inconvenient operation, and low stability in opening and closing. Utility Model Content

[0004] The utility model aims to provide a mechanical emergency starting mechanism for a fire pump control cabinet to solve the problems of complex structure, inconvenient control and low opening and closing stability in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical emergency starting mechanism of a fire pump control cabinet, comprising an outer shell, a first terminal and a second terminal are provided at the bottom of the chamber of the outer shell, a lifting plate is provided inside the chamber through a guide rod and a spring elastic sliding, a wire column connecting seat is provided on the lower side of the lifting plate, and a conductive metal sheet is provided in the groove on the lower side of the wire column connecting seat, a cam is provided on the upper part of the chamber through the rotation of a rotating shaft, and an active lifting mechanism is also provided on the lower part of the chamber.

[0006] Furthermore, one end of the rotating shaft passes through the outer wall of the housing and is provided with an adjusting hand wheel, and the inner thread of the adjusting hand wheel is provided with a locking bolt.

[0007] Furthermore, the guide rods are provided in two groups in parallel, and the spring sleeves are arranged on the outer sides of the lower ends of the guide rods.

[0008] Furthermore, a protrusion is provided on one side of the lifting plate, and a limiting groove is provided on one side of the protrusion, and the limiting groove is rotatably engaged with a protrusion at one end of the cam.

[0009] Furthermore, the active lifting mechanism includes a support rod, and a lifting rod is provided at one end of the support rod.

[0010] Furthermore, the lower end of the support rod is slidably disposed in a guide sliding hole on the inner wall of the outer shell through a sliding block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model has a lifting plate inside the chamber that slides elastically through a guide rod and a spring, a conductive metal sheet is provided on the lower side of the lifting plate through a wire post connecting seat, and a cam is provided on the upper part of the chamber through the rotation of a rotating shaft, so that the conductive metal sheet can be moved down and pressed on the upper part of the first terminal and the second terminal by rotating the cam through the rotating shaft to connect the circuit, thereby facilitating the emergency start-up of the fire pump machinery, and the utility model has a simple structure, convenient and quick operation, high opening and closing stability, and when the cam moves to the side away from the lifting plate, the conductive metal sheet moves up and falls off the terminal under the action of the spring to disconnect the circuit.

[0013] 2. The utility model provides a protrusion on one side of the lifting plate, and a limiting groove is provided on one side of the protrusion. The limiting groove is rotatably clamped with the protrusion at one end of the cam, so that the stability of the protrusion at one end of the cam against the middle part of one side of the lifting plate can be improved, thereby facilitating the improvement of the stability of the conductive metal sheet pressed downward on the first terminal and the upper part of the second terminal.

[0014] 3. The utility model is also provided with an active lifting mechanism through the lower part of the chamber, and the active lifting mechanism includes a support rod, one end of the support rod is provided with an upper push rod, and the lower end of the support rod is slidably arranged in a guide slide hole on the inner wall of the shell body through a slider, so that when the spring is stuck or other circumstances fail to make the conductive metal sheet move up and fall off the terminal, the upper push rod can be actively operated to move the conductive metal sheet up and fall off the terminal, thereby improving the flexibility of the mechanical emergency closure of the fire pump control cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is the front view of the emergency start structure of the utility model;

[0017] Figure 2 This is a front view of the emergency closing structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the back structure of the outer shell of the utility model;

[0019] Figure 4It is a schematic diagram of the upper ejector rod connection structure of the utility model.

[0020] In the figure: 1. outer shell; 2. guide rod; 3. lifting plate; 4. wire column connecting seat; 5. conductive metal sheet; 6. groove; 7. first terminal; 8. second terminal; 9. rotating shaft; 10. cam; 11. bump; 12. limit groove; 13. guide slide hole; 14. upper push rod; 15. support rod; 16. slide block; 17. chamber; 18. locking bolt; 19. adjusting hand wheel; 20. spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 In the embodiment of the utility model, a mechanical emergency starting mechanism of a fire pump control cabinet comprises an outer shell 1, a first terminal 7 and a second terminal 8 are arranged at the bottom of a chamber 17 of the outer shell 1, a lifting plate 3 is elastically slidably arranged inside the chamber 17 through a guide rod 2 and a spring 20, two groups of guide rods 2 are arranged in parallel, and the spring 20 is sleeved on the outer side of the lower end of the guide rod 2, so as to facilitate the stability of the elastic sliding arrangement of the lifting plate 3 in the chamber 17, a wire column connecting seat 4 is arranged at the lower side of the lifting plate 3, and a conductive metal sheet 5 is arranged in a groove 6 at the lower side of the wire column connecting seat 4, and a cam 10 is arranged at the upper part of the chamber 17 through a rotating shaft 9, so that the cam 10 is rotated by the rotating shaft 9, so that the conductive metal sheet 5 can be moved down and pressed on the upper part of the first terminal 7 and the second terminal 8 to connect the circuit, thereby facilitating the emergency starting of the fire pump, the operation is convenient and quick, the opening and closing stability is high, and when the cam 10 rotates and moves to the side away from the lifting plate 3, the conductive metal sheet 5 moves up and falls off the terminal under the action of the spring 20 to disconnect the circuit.

[0023] like Figure 3 As shown, one end of the rotating shaft 9 passes through the outer wall of the outer shell 1 and is provided with an adjusting hand wheel 19, and the inner thread of the adjusting hand wheel 19 is provided with a locking bolt 18, so that the rotating shaft 9 and the cam 10 can be locked after rotation adjustment, which is beneficial to improve the stability of the protrusion at one end of the cam 10 against the middle of one side of the lifting plate 3.

[0024] like Figure 1 , Figure 2As shown, a protrusion 11 is provided on one side of the lifting plate 3, and a limiting groove 12 is opened on one side of the protrusion 11. The limiting groove 12 is rotatably clamped with the protrusion at one end of the cam 10, so that the stability of the protrusion at one end of the cam 10 against the middle part of one side of the lifting plate 3 can be further improved, thereby facilitating the improvement of the stability of the conductive metal sheet 5 pressed downward on the upper part of the first terminal 7 and the second terminal 8.

[0025] like Figure 1 , Figure 2 and Figure 3 As shown, an active lifting mechanism is also provided in the lower part of the chamber 17, and the active lifting mechanism includes a support rod 15, and an upper push rod 14 is provided at one end of the support rod 15. The lower end of the support rod 15 is slidably set in the guide slide hole 13 on the inner wall of the outer shell 1 through a slider 16, so that when the spring 20 is stuck or other situations fail to make the conductive metal sheet 5 move up and fall off the terminal, the upper push rod 14 can be actively operated to move the conductive metal sheet up and fall off the terminal, thereby improving the flexibility of the mechanical emergency closure of the fire pump control cabinet.

[0026] The working principle and use process of the utility model are as follows: when in use, the first terminal 7 and the second terminal 8 are connected to the circuit of the mechanical emergency start of the fire pump control cabinet. Since a lifting plate 3 is elastically slidably provided inside the chamber 17 through the guide rod 2 and the spring 20, a conductive metal sheet 5 is provided on the lower side of the lifting plate 3 through the wire column connecting seat 4. A cam 10 is provided on the upper part of the chamber 17 through the rotating shaft 9, so that the cam 10 is rotated by the rotating shaft 9, so that the conductive metal sheet 5 can be moved down and pressed on the upper part of the first terminal 7 and the second terminal 8 to connect the circuit, thereby facilitating the mechanical emergency start of the fire pump, and the operation is convenient and quick, and the opening and closing stability is relatively high. Moreover, when the cam 10 rotates and moves to the side away from the lifting plate 3, the conductive metal sheet 5 moves up and falls off the terminal under the action of the spring 20, thereby disconnecting the circuit.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A mechanical emergency starting mechanism for a fire pump control cabinet, comprising an outer shell (1), characterized in that: A first terminal (7) and a second terminal (8) are provided at the bottom of the chamber (17) of the outer shell (1); a lifting plate (3) is provided inside the chamber (17) for elastic sliding via a guide rod (2) and a spring (20); a terminal connecting seat (4) is provided at the lower side of the lifting plate (3); a conductive metal sheet (5) is provided in a groove (6) at the lower side of the terminal connecting seat (4); a cam (10) is provided at the upper part of the chamber (17) for rotation via a rotating shaft (9); and an active lifting mechanism is also provided at the lower part of the chamber (17).

2. A fire pump control cabinet mechanical emergency starting mechanism according to claim 1, characterized in that: One end of the rotating shaft (9) passes through the outer wall of the outer shell (1) and is provided with an adjusting hand wheel (19), and the inner thread of the adjusting hand wheel (19) is provided with a locking bolt (18).

3. A fire pump control cabinet mechanical emergency starting mechanism according to claim 1, characterized in that: The guide rods (2) are provided in two groups in parallel, and the springs (20) are sleeved on the outer sides of the lower ends of the guide rods (2).

4. A fire pump control cabinet mechanical emergency starting mechanism according to claim 1, characterized in that: A convex block (11) is provided on one side of the lifting plate (3), and a limiting groove (12) is provided on one side of the convex block (11), wherein the limiting groove (12) is rotatably engaged with a raised portion at one end of the cam (10).

5. A fire pump control cabinet mechanical emergency starting mechanism according to claim 1, characterized in that: The active lifting mechanism comprises a support rod (15), and a lifting rod (14) is provided at one end of the support rod (15).

6. A fire pump control cabinet mechanical emergency starting mechanism according to claim 5, characterized in that: The lower end of the support rod (15) is slidably disposed in a guide sliding hole (13) on the inner wall of the outer shell (1) via a sliding block (16).

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