Automatic unscrambling device and method for fire water pump

Abstract

The present application relates to the technical field of fire-fighting maintenance, and particularly relates to an automatic jigger device and method for a fire-fighting water pump, which comprises a mounting unit, the mounting unit comprising a fixed pipe and a mounting box, a switch valve arranged on the fixed pipe, a connecting assembly arranged between the fixed pipe and the mounting box, and a drain pipe arranged at the bottom of the mounting box; and a jigger unit, the jigger unit comprising a rotating shaft rotatably arranged in the mounting box, a fixing assembly arranged in the rotating shaft, and a plurality of blades arranged on the rotating shaft; the connecting assembly is matched with the blades. The automatic jigger device and method for the fire-fighting water pump, by fixing and welding the fixed pipe with the outlet main pipe network of the fire-fighting water pump, high-pressure water in the main pipe network is used to impact the blades through the connecting assembly to drive the rotating shaft to rotate, the fixing assembly is connected with the driving pump shaft of the fire-fighting water pump to drive the driving pump shaft to rotate, and the jigger function is realized.

Description

Technical Field

[0001] This invention relates to the technical field of fire protection maintenance, and in particular to an automatic turning device and method for fire pumps. Background Technology

[0002] Fire pumps are the core equipment of fire protection systems. They are mainly used for pressurizing and delivering water in fire protection system pipelines. They can also be used in industrial and urban water supply and drainage, high-rise building pressurization water delivery, long-distance water delivery, heating, bathrooms, boiler hot and cold water circulation pressurization air conditioning and refrigeration systems, and equipment matching.

[0003] According to fire protection regulations, in order to ensure the reliability of fire pumps, regular inspections of fire pumps are required. Currently, the common practice is to add a fire inspection control cabinet to conduct regular inspections of the pumps.

[0004] The existing fire inspection control cabinets have high manufacturing and maintenance costs. The automatic fire pump turning device and method proposed in this invention can meet the requirements of regular fire pump turning while reducing costs by using a simple device that can be modified. Summary of the Invention

[0005] In view of the high manufacturing and maintenance costs of existing automatic cranking systems for fire pumps, this invention is proposed.

[0006] Therefore, the purpose of this invention is to provide an automatic turning device for fire pumps, which aims to meet the requirements of periodic turning of fire pumps while reducing costs.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an automatic turning device for fire pumps, comprising,

[0008] The installation unit includes a fixing pipe and an installation box, a switch valve disposed on the fixing pipe, a connecting assembly disposed between the fixing pipe and the installation box, and a drain pipe disposed at the bottom of the installation box; and,

[0009] A turning unit, the turning unit including a rotating shaft rotatably disposed in the mounting box, a fixing component disposed in the rotating shaft, and a plurality of blades disposed on the rotating shaft;

[0010] The connecting component mates with the blade.

[0011] As a preferred embodiment of the automatic turning device for fire pumps according to the present invention, the connecting assembly includes a transition box disposed at the bottom of the fixed pipe, and a plurality of first connecting pipes disposed between the bottom of the transition box and the mounting box;

[0012] The first connecting pipe is fitted with the blade.

[0013] As a preferred embodiment of the automatic turning device for fire pumps according to the present invention, the fixing component includes a slide groove disposed in the rotating shaft, a slide column slidably disposed in the slide groove, a chuck disposed at the end of the slide column, and a plurality of connecting columns disposed on the chuck and slidably inserted into the rotating shaft.

[0014] The chuck is located on the outside of the mounting box, and the chuck is provided with a chuck slot.

[0015] As a preferred embodiment of the automatic turning device for fire pumps described in this invention, wherein: the diameter of one end of the slide is larger than the diameter of the other end, the chuck is connected to the step of the slide by an elastic element, and the sliding column is sealed to the end of the slide with the smaller diameter.

[0016] A drive unit is installed between the fixed tube and the rotating shaft, and the drive unit is engaged with the end of the slide with the smaller diameter.

[0017] As a preferred embodiment of the automatic turning device for fire pumps according to the present invention, the drive unit includes an annular cover rotatably disposed on the rotating shaft, a drive pipe disposed on the annular cover and connected to the fixed pipe, a piston slidably disposed in the drive pipe, and a positioning component disposed at the bottom of the fixed pipe.

[0018] The annular cover is sealed to the rotating shaft, and the interior of the annular cover communicates with the sliding groove.

[0019] As a preferred embodiment of the automatic turning device for fire pumps according to the present invention, the positioning component includes a second connecting pipe disposed between the top of the mounting box and the transition box, a slider disposed in the fixing pipe and elastically connected to the bottom of the transition box, a water injection pipe disposed in the slider and inserted into the second connecting pipe, and a connecting part disposed between the piston and the slider.

[0020] The second connecting pipe is fitted with the blade.

[0021] As a preferred embodiment of the automatic turning device for fire pumps according to the present invention, the connecting part includes a thin tube disposed between the drive tube and the transition box, and a connecting rope disposed between the piston and the slider and passing through the thin tube.

[0022] In a preferred embodiment of the automatic turning device for fire pumps according to the present invention, the second connecting pipe is located between the first connecting pipe and the rotating shaft, the first connecting pipe is engaged with the top of the blade, and the second connecting pipe is engaged with the middle of the blade.

[0023] In a preferred embodiment of the automatic turning device for fire pumps described in this invention, the switching valve is made of a butterfly valve.

[0024] The beneficial effects of this device are as follows: by fixing and welding the fixed pipe to the main outlet network of the fire pump, the high-pressure water in the main network impacts the blades after passing through the connecting component, thereby driving the rotating shaft to rotate. The fixed component is connected to the drive pump shaft of the fire pump, thereby driving the drive pump shaft to rotate, thus realizing the turning function.

[0025] Another objective of this invention is to provide an automatic turning method for fire pumps, which aims to meet the requirements of periodic turning of fire pumps while reducing costs.

[0026] To solve the above-mentioned technical problems, the present invention provides the following technical solution: the method includes;

[0027] For connection preparation, install the coupling on the drive shaft of the fire pump, and fix the top of the pipe to the main outlet network of the fire pump by welding.

[0028] To make the connection, the main pipeline is operated under pressure by opening the switch valve. Water flows into the fixed pipe and then into the drive pipe and positioning assembly, causing the fixed assembly to extend and rotate, and then be locked onto the coupling for fixation. At the same time, the slider separates from the fixed pipe.

[0029] The automatic turning of the pump is achieved by opening all the switch valves, allowing water to flow into the transition box, and finally exiting from the first connecting pipe to impact the blades, thereby driving the fire pump to rotate.

[0030] The beneficial effects of the present invention are as follows: by fixing and welding the fixed pipe to the main outlet network of the fire pump, the high pressure water in the main network passes through the drive pipe and the positioning component, so that the chuck and the coupling are automatically engaged to fix the drive pump shaft. Then, the water flow discharged from the first connecting pipe impacts the blades, thereby driving the rotating shaft to rotate, thus driving the drive pump shaft to rotate and realizing the turning function. Attached Figure Description

[0031] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of the overall structure of the automatic turning device for fire pumps according to the present invention.

[0033] Figure 2 This is a cross-sectional structural diagram of the mounting box for the automatic turning device of the fire pump according to the present invention.

[0034] Figure 3 This is a schematic diagram of the fixed component structure of the automatic turning device for fire pumps according to the present invention.

[0035] Figure 4 This is a schematic diagram of the drive unit structure of the automatic turning device for fire pumps according to the present invention.

[0036] Figure 5 This is a schematic diagram of the chute structure of the automatic turning device for fire pumps according to the present invention.

[0037] Figure 6 This is a schematic diagram of the positioning component structure of the automatic turning device for fire pumps according to the present invention. Detailed Implementation

[0038] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0039] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0040] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0041] Secondly, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0042] Example 1, referring to Figures 1-3 The first embodiment of the present invention provides an automatic turning device for a fire pump, which includes an installation unit 100 and a turning unit 200.

[0043] The installation unit 100 includes a fixed pipe 101 and an installation box 102, a switch valve 103 disposed on the fixed pipe 101, a connecting component 104 disposed between the fixed pipe 101 and the installation box 102, and a drain pipe 105 disposed at the bottom of the installation box 102; the top of the fixed pipe 101 is welded to the main outlet network of the fire pump.

[0044] The turning unit 200 includes a rotating shaft 201 rotatably disposed in the mounting box 102, a fixing component 202 disposed in the rotating shaft 201, and a plurality of blades 203 disposed on the rotating shaft 201; the connecting component 104 cooperates with the blades 203.

[0045] The fixing component 202 includes a slide groove 202a disposed in the rotating shaft 201, a slide post 202b slidably disposed in the slide groove 202a, a chuck 202c disposed at the end of the slide post 202b, and a plurality of connecting posts 202d disposed on the chuck 202c and slidably inserted into the rotating shaft 201;

[0046] The chuck 202c is located outside the mounting box 102, and the chuck 202c is provided with a slot 202c-1. When performing the turning operation, a coupling needs to be installed on the drive pump shaft of the fire pump first. The coupling cooperates with the slot 202c-1, and the coupling is inserted into the slot 202c-1. When the chuck 202c rotates, it can rotate the coupling.

[0047] Furthermore, the connecting assembly 104 includes a transition box 104a disposed at the bottom of the fixing tube 101, and a plurality of first connecting tubes 104b disposed between the bottom of the transition box 104a and the mounting box 102.

[0048] The first connecting pipe 104b cooperates with the blade 203. The first connecting pipe 104b is located above the side of the rotating shaft 201, and the bottom of the first connecting pipe 104b is opposite to the end of the blade 203. When the switch valve 103 is opened, water flows into the fixed pipe 101 and the transition box 104a, and finally exits from the first connecting pipe 104b to contact the blade 203, impacting the blade 203, thereby driving the rotating shaft 201 and the chuck 202c to rotate.

[0049] During use, the coupling is first installed on the fire pump. Then, the chuck 202c is pulled out and inserted into the coupling for fixation. Finally, the switch valve 103 is opened, and the high-pressure water in the main pipeline enters the fixed pipe 101, then enters the transition box 104a, and finally enters multiple first connecting pipes 104b and exits from the first connecting pipes 104b to contact the blades 203, impacting the blades 203 and thus driving the rotating shaft 201 to rotate. The rotation of the rotating shaft 201 drives the chuck 202c to rotate through the connecting column 202d, and finally drives the fire pump to rotate, realizing the turning function.

[0050] Example 2, refer to Figure 1 , Figure 2 and Figures 4-6 This is the second embodiment of the present invention, which differs from the first embodiment in that: the diameter of one end of the slide groove 202a is larger than the diameter of the other end; the chuck 202c is connected to the step of the slide groove 202a by an elastic element 202e; and the slide column 202b is sealed to the end of the slide groove 202a with the smaller diameter. The elastic element 202e is made of metal sheet or spring.

[0051] A drive unit 300 is installed between the fixed tube 101 and the rotating shaft 201, and the drive unit 300 is engaged with the smaller diameter end of the slide groove 202a.

[0052] The drive unit 300 includes an annular cover 301 rotatably mounted on the rotating shaft 201, a drive tube 302 mounted on the annular cover 301 and connected to the fixed tube 101, a piston 303 slidably mounted in the drive tube 302, and a positioning component 304 mounted at the bottom of the fixed tube 101.

[0053] The annular cover 301 is sealed to the rotating shaft 201 by a sealing ring, and the interior of the annular cover 301 communicates with the sliding groove 202a. The drive pipe 302 connects the sealing cover and the fixed pipe 101. When water enters the fixed pipe 101, the water will push the piston 303 from the drive pipe 302, thereby pushing the sliding column 202b and the chuck 202c to extend and contact the coupling.

[0054] Furthermore, the positioning component 304 includes a second connecting pipe 304a disposed between the top of the mounting box 102 and the transition box 104a, a slider 304b disposed in the fixing pipe 101 and elastically connected to the bottom of the transition box 104a, a water injection pipe 304c disposed in the slider 304b and inserted into the second connecting pipe 304a, and a connecting portion 304d disposed between the piston 303 and the slider 304b;

[0055] The connection 304d between the drive tube 302 and the fixed tube 101 is located above the slider 304b;

[0056] In the initial state, the slider 304b is inserted into the fixed tube 101, isolating the channel between the fixed tube 101 and the transition box 104a. The chuck 202c and the slide column 202b retract into the slide groove 202a under the elastic force of the elastic element 202e. After the water flows into the fixed tube 101, it will enter the water injection pipe 304c and the drive pipe 302 respectively.

[0057] The connecting part 304d includes a thin tube 304d-1 disposed between the drive tube 302 and the transition box 104a, and a connecting rope 304d-2 disposed between the piston 303 and the slider 304b and passing through the thin tube 304d-1. When the piston 303 moves under the impact of water flow, it will pull the slider 304b through the connecting rope 304d-2.

[0058] The second connecting pipe 304a cooperates with the blade 203, and the second connecting pipe 304a is located between the first connecting pipe 104b and the rotating shaft 201. The first connecting pipe 104b cooperates with the top of the blade 203, and the second connecting pipe 304a cooperates with the middle of the blade 203. The impact torque of the water flow from the second connecting pipe 304a on the blade 203 is less than the impact torque of the water flow from the first connecting pipe 104b on the blade 203.

[0059] Furthermore, the switching valve 103 is made of a butterfly valve. When the turning operation begins, the switching valve 103 is partially opened, and the water flow first enters the fixed pipe 101, and then enters the drive pipe 302 and the water injection pipe 304c respectively. Part of the water flow enters the drive pipe 302 and pushes the piston 303, causing the piston 303 to move and push out the slide 202b and the chuck 202c; part of the water flow enters the water injection pipe 304c and is discharged from the second connecting pipe 304a to impact the blade 203, causing the rotating shaft 201 and the chuck 202c to rotate slowly.

[0060] When the chuck 202c abuts against the coupling, it also rotates slowly, allowing it to easily lock onto the coupling for fixation. When the chuck 202c is abutting against the coupling but not engaged, the connecting rope 304d-2 is taut, and the slider 304b is located in the fixing tube 101. When the chuck 202c engages with the coupling, the connecting rope 304d-2 pulls on the slider 304b, causing it to disengage. When the chuck 202c engages with the coupling, the slider 304b disengages from the fixed pipe 101. The fixed pipe 101 then connects to the transition box 104a. Finally, the switch valve 103 is fully opened, and water flows out from the bottom of the first connecting pipe 104b, impacting the blade 203 and causing the rotating shaft 201 to rotate. The rotation of the rotating shaft 201 drives the chuck 202c to rotate via the connecting column 202d, ultimately driving the fire pump to rotate and achieving the turning function.

[0061] The remaining structure is the same as that in Example 1.

[0062] Example 3, referring to Figure 1 This is a third embodiment of the present invention, which provides an automatic turning method for a fire pump, the method comprising:

[0063] For connection preparation, install the coupling on the drive shaft of the fire pump, and weld the top of the fixed pipe 101 to the main outlet network of the fire pump.

[0064] To make the connection, the main pipeline is operated under pressure by opening the switch valve 103. Water flows into the fixed pipe 101 and flows into the drive pipe 302 and the positioning component 304 respectively. The fixed component 202 extends and rotates, and is locked onto the coupling for fixation. At the same time, the slider 304b separates from the fixed pipe 101.

[0065] The automatic rotation of the pump is achieved by fully opening the switch valve 103, allowing water to flow into the transition box 104a, and finally exiting from the first connecting pipe 104b to impact the blades 203, thereby driving the fire pump to rotate.

[0066] The remaining structure is the same as that in Example 2.

[0067] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. An automatic turning device for a fire pump, characterized in that: include, Installation unit (100), the installation unit (100) includes a fixed pipe (101) and an installation box (102), a switch valve (103) disposed on the fixed pipe (101), a connecting assembly (104) disposed between the fixed pipe (101) and the installation box (102), and a drain pipe (105) disposed at the bottom of the installation box (102); and, A turning unit (200) includes a rotating shaft (201) rotatably disposed in the mounting box (102), a fixing component (202) disposed in the rotating shaft (201), and a plurality of blades (203) disposed on the rotating shaft (201). The connecting component (104) cooperates with the blade (203); A drive unit (300) is installed between the fixed tube (101) and the rotating shaft (201). The connecting assembly (104) includes a transition box (104a) disposed at the bottom of the fixed tube (101). The drive unit (300) includes an annular cover (301) rotatably mounted on the rotating shaft (201), a drive tube (302) mounted on the annular cover (301) and connected to the fixed tube (101), a piston (303) slidably mounted in the drive tube (302), and a positioning component (304) mounted at the bottom of the fixed tube (101). The positioning assembly (304) includes a second connecting pipe (304a) disposed between the top of the mounting box (102) and the transition box (104a), a slider (304b) disposed in the fixing pipe (101) and elastically connected to the bottom of the transition box (104a), a water injection pipe (304c) disposed in the slider (304b) and inserted into the second connecting pipe (304a), and a connecting part (304d) disposed between the piston (303) and the slider (304b). The second connecting pipe (304a) is fitted with the blade (203).

2. The automatic turning device for fire pumps according to claim 1, characterized in that: The connecting assembly (104) also includes a plurality of first connecting pipes (104b) disposed between the bottom of the transition box (104a) and the mounting box (102). The first connecting pipe (104b) is engaged with the blade (203).

3. The automatic turning device for a fire pump according to claim 2, characterized in that: The fixing component (202) includes a slide groove (202a) disposed in the rotating shaft (201), a slide post (202b) slidably disposed in the slide groove (202a), a chuck (202c) disposed at the end of the slide post (202b), and a plurality of connecting posts (202d) disposed on the chuck (202c) and slidably inserted into the rotating shaft (201). The chuck (202c) is located outside the mounting box (102), and the chuck (202c) is provided with a slot (202c-1). The drive unit (300) is engaged with the smaller diameter end of the slide (202a).

4. The automatic turning device for a fire pump according to claim 3, characterized in that: The diameter of one end of the slide groove (202a) is larger than the diameter of the other end. The chuck (202c) is connected to the step of the slide groove (202a) by an elastic element (202e). The slide column (202b) is sealed to the end of the slide groove (202a) with the smaller diameter.

5. The automatic turning device for a fire pump according to claim 4, characterized in that: The annular cover (301) is sealed to the rotating shaft (201), and the interior of the annular cover (301) communicates with the groove (202a).

6. The automatic turning device for a fire pump according to claim 5, characterized in that: The connecting part (304d) includes a thin tube (304d-1) disposed between the drive tube (302) and the transition box (104a), and a connecting rope (304d-2) disposed between the piston (303) and the slider (304b) and passing through the thin tube (304d-1).

7. The automatic turning device for a fire pump according to claim 6, characterized in that: The second connecting pipe (304a) is located between the first connecting pipe (104b) and the rotating shaft (201). The first connecting pipe (104b) is engaged with the top of the blade (203), and the second connecting pipe (304a) is engaged with the middle of the blade (203).

8. The automatic turning device for a fire pump according to any one of claims 1-7, characterized in that: The switching valve (103) is made of butterfly valve.

9. A method for turning the automatic turning gear of a fire pump based on any one of claims 2-7, characterized in that: The method includes; For connection preparation, install the coupling on the drive shaft of the fire pump and fix the top of the fixed pipe (101) to the main outlet network of the fire pump. To make the connection, the main pipeline is operated under pressure by opening the switch valve (103), in which water flows into the fixed pipe (101) and flows into the drive pipe (302) and the positioning assembly (304) respectively, causing the fixed assembly (202) to extend and rotate, and to be fixed on the coupling, while the slider (304b) separates from the fixed pipe (101); The pump is turned automatically by opening all the switch valves (103), allowing water to flow into the transition box (104a), and finally exiting from the first connecting pipe (104b) to impact the blades (203), thereby driving the fire pump to rotate.

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