阅读说明：本技术 一种比例混合装置 (Proportional mixing device ) 是由 陆曦 田立伟 陈方 冯梦 杨炳杰 李毅 于 2020-06-05 设计创作，主要内容包括：本发明公开了一种比例混合装置,包括：变速水轮机、柱塞泵以及底座,变速水轮机设置在底座的右侧,变速水轮机的进水口与第一主管道连接,变速水轮机的出水口与第二主管道连接,柱塞泵设置在底座的左侧,变速水轮机与柱塞泵转动连接。本比例混合装置方便运输、安装和后期的维护管理；柱塞泵用于将新型灭火剂加注到第二主管道中,采用正压注入,混合比精准,只与柱塞泵的内腔参数有关,几乎不受介质流量、压力的影响；变速水轮机由第一主管道的水力驱动,无需额外提供动力电源或燃气机动力；变速水轮机能够进行无级变速,在一定范围内连续可调,能够适合不同混合比的新型灭火剂,使得该比例混合装置能满足多种混合比的要求。(The invention discloses a proportional mixing device, comprising: variable speed hydraulic turbine, plunger pump and base, variable speed hydraulic turbine set up on the right side of base, and variable speed hydraulic turbine's water inlet and first trunk line are connected, and variable speed hydraulic turbine's delivery port and second trunk line are connected, and the plunger pump setting is in the left side of base, and variable speed hydraulic turbine rotates with the plunger pump to be connected. The proportional mixing device is convenient to transport, install and maintain and manage in the later period; the plunger pump is used for injecting the novel fire extinguishing agent into the second main pipeline, positive pressure injection is adopted, the mixing ratio is accurate, the mixing ratio is only related to the parameters of the inner cavity of the plunger pump, and the influence of medium flow and pressure is hardly caused; the variable-speed water turbine is driven by the water power of the first main pipeline, and a power supply or the power of a gas engine does not need to be additionally provided; the variable speed hydraulic turbine can carry out stepless speed change, can be continuously adjusted within a certain range, and can be suitable for novel fire extinguishing agents with different mixing ratios, so that the proportional mixing device can meet the requirements of various mixing ratios.)

1. A proportional mixing device, comprising:

variable speed hydraulic turbine (1), plunger pump (2) and base (3), variable speed hydraulic turbine (1) sets up the right side of base (3), the water inlet and the first trunk line of variable speed hydraulic turbine (1) are connected, the delivery port and the second trunk line of variable speed hydraulic turbine (1) are connected, plunger pump (2) set up the left side of base (3), variable speed hydraulic turbine (1) with plunger pump (2) rotate to be connected, the water inlet of variable speed hydraulic turbine (1) with the water inlet selective intercommunication of plunger pump (2), the delivery port of plunger pump (2) with the delivery port intercommunication of variable speed hydraulic turbine (1).

2. The proportional mixing device of claim 1, further comprising:

wash pipeline (4), three-way valve (6), the right-hand member that washes pipeline (4) with the water inlet of variable speed hydraulic turbine (1) is connected, wash the left end of pipeline (4) with the first end of three-way valve (6) is connected, the second end of three-way valve (6) with the water inlet of plunger pump (2) is connected, the third end and the novel fire extinguishing agent storage tank of three-way valve (6) are connected.

3. The proportional mixing device of claim 1 or 2, further comprising:

the pressure injection pipeline (5), the pressure injection pipeline (5) is arranged between the water outlet of the plunger pump (2) and the water outlet of the variable speed water turbine (1).

4. Proportional mixing device according to claim 1, characterized in that the variable speed turbine (1) comprises a turbine body (11) and a speed change mechanism (12), the turbine body (11) comprises a first housing (111), a short axis rotor (112) and a long axis rotor (113), the short axis rotor (112) and the long axis rotor (113) are both rotatably arranged in the first housing (111), and the speed change mechanism (12) is rotatably connected with the long axis rotor (113).

5. Proportioning device according to claim 4, characterized in that the gear shift mechanism (12) comprises an output shaft (121), a second housing (122) and a speed regulating hand wheel (123), the second housing (122) is arranged at the left end of the first housing (111), the second housing (122) is provided with a set of wheels, the output shaft (121) is movably connected with the long shaft rotor (113) through the set of wheels, the speed regulating hand wheel (123) is used for controlling the set of wheels, and the left end of the output shaft (121) is rotatably connected with the plunger pump (2).

6. The proportional mixing device of claim 1, further comprising:

the mobile device comprises four mobile components (7) and a first power component (8), wherein placing holes (31) are formed in four corners of the lower surface of the base (3), each placing hole (31) comprises a first blind hole (32) and a second blind hole (33), each second blind hole (33) is formed in the inner top surface of the corresponding first blind hole (32), the inner diameter of each first blind hole (32) is larger than that of each second blind hole (33), the mobile components (7) are arranged in the corresponding placing holes (31), each mobile component (7) comprises an inner top seat (71), an inner bottom seat (72) and a telescopic mechanism (73), each inner top seat (71) comprises a barrel seat (711) and two L-shaped inverted hooks (712), the upper portion of the barrel seat (711) is detachably arranged in the corresponding second blind hole (33), and the lower portion of the barrel seat (711) is arranged in the corresponding first blind hole (32), the two inverted hooks (712) are symmetrically arranged at the lower end of the outer wall of the barrel seat (711), a clamping plate (721) inserted into the inverted hook (712) on the left side is arranged on the left side of the inner base (72), a vertical clamping plate (722) is arranged on the right side of the inner base (72), the vertical clamping plate (722) is clamped with the right side wall of the inverted hook (712) on the right side, an inner block (713) is arranged in the inverted hook (712), the inner base (72) is detachably connected with the inner block (713) through a screw rod (723), and a through hole (724) is formed in the middle of the inner base (72);

the telescopic mechanism (73) comprises a first telescopic water bag (731), a plurality of vertical guide rods (732), a seat plate (733) and a movable leg (734), the inner top surface of the cylinder seat (711) is provided with a plurality of first jacks, the seat plate (733) is provided with a plurality of second jacks, the inner base (72) is provided with a plurality of third jacks, the seat plate (733) is arranged in the cylinder seat (711) and positioned above the inner base (72), the vertical guide rod (732) sequentially passes through the third jack and the second jack and extends into the first jack, the upper end of the moving leg (734) passes through the through hole (724) to be connected with the seat plate (733), the first telescopic water bags (731) are arranged in the cylinder seat (711) and connected with the upper surface of the seat plate (733), and the four first telescopic water bags (731) are all connected with the first power assembly (8).

7. Proportioning device according to claim 6, wherein the first power assembly (8) comprises a water tank (81), a first water pump (82), a second water pump (83) and a tee (84), the water tank (81) is arranged on the base (3) and is in communication with the first main pipe, the first water pump (82) and the second water pump (83) are both arranged in the water tank (81), a first end of the tee (84) is in communication with a water outlet end of the first water pump (82) via a first solenoid valve (85), a second end of the tee (84) is in communication with a water inlet end of the second water pump (83) via a second solenoid valve (86), and a third end of the tee (84) is in communication with four first telescopic water bags (731) via tube sets.

8. Proportioner mixing device according to claim 7 characterized in that a vertical hole is provided above the placement hole (31) and the tube set comprises a plurality of branch tubes (87), the lower ends of the branch tubes (87) passing through the vertical hole, the upper end of the barrel seat (711) and extending to communicate with the first collapsible water bag (731).

9. Proportional mixing device according to claim 1, characterized in that the lower surface of the base (3) is provided with a limiting assembly (20), the lower surface of the base (3) is provided with a placement groove (34) corresponding to the limiting assembly (20), the upper surface is provided with a second power assembly opposite to the limiting assembly (34), the limiting assembly (20) comprises a limiting shell (21), a limiting frame (22) and a plurality of limiting legs (23), the limiting shell (21) is arranged in the placement groove (34), the limiting shell (21) is internally provided with a second telescopic water bag (24) and a limiting clamp plate (25), the second telescopic water bag (24) is positioned above the limiting clamp plate (25) and is communicated with the second power assembly, the limiting frame (22) is connected with the limiting clamp plate (25) through the plurality of limiting legs (23), the upper end of restriction landing leg (23) is provided with spring (26), spring (26) are located restriction shell (21) with between restriction splint (25), set up in restriction frame (22) and move damping rod (27) a plurality of, on the restriction damping rod (27) be provided with a plurality of spaced restriction piece (28) each other, the cover has interior elastic sleeve (29), outer stereoplasm cover (30) on restriction piece (28), outer stereoplasm cover (30) set up the outside of interior elastic sleeve (29), the surface of outer stereoplasm cover (30) is provided with anti-skidding line (31).

10. Proportioning device according to claim 9, characterized in that the stop clamp (25) comprises an upper clamp (251), an intermediate elastic layer (252) and a lower clamp (253), a slide (254) is arranged on the peripheral side wall of the lower clamp (253), a vertical sliding slot (211) is arranged on the inner wall of the stop housing (21), and the slide (254) is in sliding connection with the vertical sliding slot (211).

Technical Field

The invention relates to the technical field of fire fighting equipment, in particular to a proportional mixing device.

Background

The traditional proportion mixing device utilizes the principle of a Venturi tube, and the proportion mixer is divided into an inlet section, a contraction section, a throat and a diffusion section. The fluid enters the contraction section from the inlet section, and the flow speed is faster and faster until the flow speed at the throat reaches the fastest speed. The pressure at this time is minimal as calculated by the bernoulli equation. Through the internal structure design, a vacuum area is formed, and the novel fire extinguishing agent in the normal-pressure storage tank is sucked into the throat and mixed; the pressure difference between the front pipe section and the rear pipe section can also be utilized to pressurize and inject the novel fire extinguishing agent into the throat for mixing.

The novel fire extinguishing agent flows by means of a pressure difference, and the mixing ratio thereof is dependent on the pressure difference, by means of a proportional mixer made by the venturi principle. When the flow rate and the pressure are changed, the pressure difference is easy to change, and the mixing ratio is inaccurate. The mixing ratio of the existing proportional mixing device is only one, the novel fire extinguishing agent has several mixing ratios of 1%, 3%, 6% and the like, and one device cannot meet the requirements of various mixing ratios.

Therefore, there is a need for a proportional mixing device that at least partially solves the problems of the prior art.

Disclosure of Invention

In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

The invention aims to solve the technical problem of designing a proportional mixing device which has a mixing ratio continuously adjustable in a certain range and utilizes hydraulic drive to carry out positive pressure injection. The device integrates components such as a variable-speed water turbine, a plunger pump, a profile steel base, a flushing pipeline, a pressurizing injection pipeline and the like; when the device is operated, a power supply or gas engine power is not required to be provided, and no water flow loss exists.

To at least partially solve the above problems, the present invention provides a proportional mixing device comprising:

variable speed hydraulic turbine, plunger pump and base, the variable speed hydraulic turbine sets up the right side of base, the water inlet and the first trunk line of variable speed hydraulic turbine are connected, the delivery port and the second trunk line of variable speed hydraulic turbine are connected, the plunger pump sets up the left side of base, the variable speed hydraulic turbine with the plunger pump rotates to be connected, the water inlet of variable speed hydraulic turbine with the water inlet of plunger pump communicates selectively, the delivery port of plunger pump with the delivery port intercommunication of variable speed hydraulic turbine.

Preferably, the method further comprises the following steps:

flushing line, three-way valve, flushing line's right-hand member with the water inlet of variable speed hydraulic turbine is connected, flushing line's left end with the first end of three-way valve is connected, the second end of three-way valve with the water inlet of plunger pump is connected, the third end and the novel fire extinguishing agent storage tank of three-way valve are connected.

Preferably, the method further comprises the following steps:

and the pressurizing injection pipeline is arranged between the water outlet of the plunger pump and the water outlet of the variable speed water turbine.

Preferably, the variable speed water turbine includes a turbine body and a speed change mechanism, the turbine body includes a first housing, a short axis rotor and a long axis rotor, the short axis rotor and the long axis rotor are both rotatably disposed in the first housing, and the speed change mechanism is rotatably connected to the long axis rotor.

Preferably, wherein, speed change mechanism includes output shaft, second casing and speed governing hand wheel, the second casing sets up the first casing left end, the second casing is provided with the wheelset, the output shaft pass through the wheelset with major axis rotor movable connection, the speed governing hand wheel is used for controlling the wheelset, the left end of output shaft with the plunger pump rotates and is connected.

Preferably, the method further comprises the following steps:

the moving device comprises four moving components and a first power component, wherein placing holes are formed in four corners of the lower surface of the base and comprise a first blind hole and a second blind hole, the second blind hole is formed in the inner top surface of the first blind hole, the inner diameter of the first blind hole is larger than that of the second blind hole, the moving components are arranged in the placing holes, the moving components comprise an inner top seat, an inner bottom seat and a telescopic mechanism, the inner top seat comprises a barrel seat and two L-shaped inverted hooks, the upper portion of the barrel seat is detachably arranged in the second blind hole, the lower portion of the barrel seat is located in the first blind hole, the two inverted hooks are symmetrically arranged at the lower end of the outer wall of the barrel seat, a clamping plate inserted into the left inverted hook is arranged on the left side of the inner base, and a vertical clamping plate is arranged on the right side of the inner base, the vertical clamping plate is clamped with the right side wall of the inverted hook on the right side, an inner block is arranged in the inverted hook, the inner base is detachably connected with the inner block through a screw rod, and a through hole is formed in the middle of the inner base;

telescopic machanism includes first flexible water bag, a plurality of vertical guide bar, bedplate and removal landing leg, the interior top surface of barrel holder is provided with a plurality of first jacks, be provided with a plurality of second jacks on the bedplate, be provided with a plurality of third jacks on the interior base, the bedplate sets up in the barrel holder and be located interior bedplate top, all pass in proper order on the vertical guide bar the third jack the second jack extends to in the first jack, the upper end of removing the landing leg is passed the via hole with the bedplate is connected, first flexible water bag sets up in the barrel holder and with the upper surface connection of bedplate, four first flexible water bag all with first power component connects.

Preferably, the first power assembly comprises a water tank, a first water pump, a second water pump and a three-way pipe, the water tank is arranged on the base and communicated with the first main pipeline, the first water pump and the second water pump are both arranged in the water tank, a first end of the three-way pipe is communicated with a water outlet end of the first water pump through a first electromagnetic valve, a second end of the three-way pipe is communicated with a water inlet end of the second water pump through a second electromagnetic valve, and a third end of the three-way pipe is respectively communicated with the four first telescopic water bags through pipe groups.

Preferably, a vertical hole is formed above the placing hole, the tube set comprises a plurality of branch tubes, and the lower ends of the branch tubes penetrate through the vertical hole and the upper end of the cylinder seat and extend to be communicated with the first telescopic water bag.

Preferably, the lower surface of the base is provided with a limiting assembly, the lower surface of the base is provided with a placing groove corresponding to the limiting assembly, the upper surface of the base is provided with a second power assembly opposite to the limiting assembly, the limiting assembly comprises a limiting shell, a limiting frame and a plurality of limiting support legs, the limiting shell is arranged in the placing groove, the limiting shell is internally provided with a second telescopic water bag and a limiting clamp plate, the second telescopic water bag is positioned above the limiting clamp plate and communicated with the second power assembly, the limiting frame is connected with the limiting clamp plate through the plurality of limiting support legs, the upper ends of the limiting support legs are provided with springs, the springs are positioned between the limiting shell and the limiting clamp plate, the limiting frame is internally provided with a plurality of limiting damping rods, and the limiting damping rods are provided with a plurality of limiting blocks which are spaced from each other, an inner elastic sleeve and an outer hard sleeve are sleeved on the limiting block, the outer hard sleeve is arranged outside the inner elastic sleeve, and anti-skid lines are arranged on the outer surface of the outer hard sleeve.

Preferably, wherein, the restriction splint include punch holder, middle elastic layer and lower plate, be provided with the slider on the lateral wall around the lower plate, be provided with vertical spout on the inner wall of restriction shell, the slider with vertical spout sliding connection.

Compared with the prior art, the invention at least comprises the following beneficial effects:

according to the proportional mixing device, the variable-speed water turbine and the plunger pump are arranged on the base, so that the transportation, the installation and the later maintenance and management are facilitated; the plunger pump is used for injecting the novel fire extinguishing agent into the second main pipeline, positive pressure injection is adopted, the mixing ratio is accurate, the mixing ratio is only related to the parameters of the inner cavity of the plunger pump, and the influence of medium flow and pressure is hardly caused; the variable-speed water turbine is driven by the water power of the first main pipeline, and a power supply or the power of a gas engine does not need to be additionally provided; the variable-speed water turbine can perform stepless speed change, and is convenient for operators to manually adjust the actual rotating speed, so that the mixing ratio is not fixed and can be continuously adjusted within a certain range, the variable-speed water turbine can be suitable for novel fire extinguishing agents with several mixing ratios of 1%, 3%, 6% and the like, and the proportional mixing device can meet the requirements of various mixing ratios.

The proportioning device of the present invention, and other advantages, objects, and features of the present invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a top view of the proportional mixing device of the present invention.

Fig. 2 is a schematic structural diagram of a variable speed water turbine in the proportional mixing device according to the present invention.

FIG. 3 is a schematic structural diagram of a water turbine in the proportional mixing device according to the present invention.

FIG. 4 is a schematic view showing the unfolding structure of the moving member of the proportional mixing device according to the present invention.

FIG. 5 is a schematic view of the moving member of the proportional mixing device according to the present invention being retracted.

FIG. 6 is a schematic structural diagram of a first power assembly in the proportional mixing device of the present invention.

Fig. 7 is a schematic structural view of a stopper assembly in the proportional mixing device of the present invention.

FIG. 8 is a top view of the structure of the limiting frame of the proportional mixing device of the present invention.

Fig. 9 is a partial structural schematic view of a stop clip in the proportional mixing device of the present invention.

Fig. 10 is a schematic structural diagram of a stopper block in the proportional mixing device according to the present invention.

Wherein the direction of the arrows in fig. 6 indicates the direction of the water flow.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 3, the present invention provides a proportional mixing device comprising:

variable speed hydraulic turbine 1, plunger pump 2 and base 3, variable speed hydraulic turbine 1 sets up the right side of base 3, variable speed hydraulic turbine 1's water inlet is connected with first trunk line, variable speed hydraulic turbine 1's delivery port is connected with the second trunk line, plunger pump 2 sets up the left side of base 3, variable speed hydraulic turbine 1 with plunger pump 2 rotates and connects, variable speed hydraulic turbine 1's water inlet with plunger pump 2's water inlet communicates selectively, plunger pump 2's delivery port with variable speed hydraulic turbine 1's delivery port intercommunication.

The working principle of the technical scheme is as follows: the variable-speed water turbine 1 and the plunger pump 2 are installed on the base 3, water of the first main pipeline enters the variable-speed water turbine 1, the variable-speed water turbine 1 rotates, and the water is supplied to the fire-fighting pipeline for fire extinguishing through the second main pipeline, wherein the variable-speed water turbine 1 drives the plunger pump 2 to rotate, the plunger pump 2 is connected with the novel fire extinguishing agent storage tank, the plunger pump 2 is used for injecting the novel fire extinguishing agent into the second main pipeline, and therefore the novel fire extinguishing agent is conveyed into the second main pipeline to be mixed with the water, and fire extinguishing is further facilitated;

the variable speed water turbine 1 can perform stepless speed change, and is convenient for operators to manually adjust the actual rotating speed, so that the novel fire extinguishing agent can be suitable for a plurality of mixing ratios such as 1%, 3%, 6% and the like, and the proportional mixing device can meet the requirements of various mixing ratios.

The beneficial effects of the above technical scheme are that: through the design of the structure, the invention provides a proportional mixing device, wherein a variable-speed water turbine 1 and a plunger pump 2 are arranged on a base 3, so that the transportation, the installation and the later maintenance management are convenient; the plunger pump 2 is used for injecting the novel fire extinguishing agent into the second main pipeline, positive pressure injection is adopted, the mixing ratio is accurate, the mixing ratio is only related to the parameters of the inner cavity of the plunger pump 2, and the influence of medium flow and pressure is hardly caused; the variable speed water turbine 1 is driven by the water power of the first main pipeline, and a power supply or the power of a gas engine does not need to be additionally provided; the variable speed water turbine 1 can perform stepless speed change, and is convenient for operators to manually adjust actual rotating speed, so that the mixing ratio is not fixed and can be continuously adjusted within a certain range, and the variable speed water turbine can be suitable for novel fire extinguishing agents with several mixing ratios of 1%, 3%, 6% and the like, and the proportional mixing device can meet the requirements of various mixing ratios.

In one embodiment, further comprising:

flushing line 4, three-way valve 6, flushing line 4's right-hand member with the water inlet of variable speed hydraulic turbine 1 is connected, flushing line 4's left end with three-way valve 6's first end is connected, three-way valve 6's second end with the water inlet of plunger pump 2 is connected, three-way valve 6's third end and novel fire extinguishing agent storage tank are connected.

The working principle of the technical scheme is as follows: the water inlet of the variable speed water turbine 1 is selectively communicated with the water inlet of the plunger pump 2, namely, the novel fire extinguishing agent storage tank enters the water inlet of the plunger pump 2 through the third end and the second end of the three-way valve 6 and is pressurized into the second main pipeline by the plunger pump 2; after putting out a fire and accomplishing, need wash remaining novel fire extinguishing agent in the second trunk line, so three-way valve 6's first end is opened, and the water in the first trunk line can wash plunger pump 2, second trunk line part in can going to plunger pump 2 through variable speed hydraulic turbine 1's water inlet, washing pipeline 4 and three-way valve 6's first end built-in.

The beneficial effects of the above technical scheme are that: through the design of the structure, the embodiment specifically provides the flushing pipeline 4 and the three-way valve 6, so that the novel fire extinguishing agent storage tank and the flushing pipeline 4 can be conveniently switched; utilize water washing foam concentrate flowing through's in first trunk line, the second trunk line equipment and pipeline, can prevent on the one hand that novel fire extinguishing agent from corroding this arm power mixing arrangement, on the other hand has realized this arm power mixing arrangement and has made things convenient for routine maintenance and debugging in the normal operating under the no novel fire extinguishing agent state.

In one embodiment, further comprising:

and the pressurized injection pipeline 5 is arranged between the water outlet of the plunger pump 2 and the water outlet of the variable speed water turbine 1.

The working principle of the technical scheme is as follows: the plunger pump 2 delivers the novel fire extinguishing agent to the second main pipeline through the pressurized injection pipeline 5, thereby facilitating fire extinguishing.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provided in this embodiment and pressurized injection pipeline 5 and realized being connected of plunger pump 2 with the second trunk line, made things convenient for the pressurization transport to novel fire extinguishing agent.

In one embodiment, the variable speed turbine 1 includes a turbine body 11 and a speed change mechanism 12, the turbine body 11 includes a first housing 111, a short-axis rotor 112 and a long-axis rotor 113, the short-axis rotor 112 and the long-axis rotor 113 are both rotatably disposed in the first housing 111, and the speed change mechanism 12 is rotatably connected to the long-axis rotor 113.

The working principle of the technical scheme is as follows: the first main pipe drives the water turbine body 11 to rotate, specifically, a short shaft rotor 112 and a long shaft rotor 113 are arranged in a first shell 111 in the water turbine body 11, the short shaft rotor 112 is driven by water flow to rotate, the short shaft rotor 112 drives the long shaft rotor 113 to rotate, and then the long shaft rotor 113 is rotatably connected with the speed change mechanism 12.

The beneficial effects of the above technical scheme are that: through the design of the structure, the specific structure of the variable speed water turbine 1 is provided in this embodiment, the internal water flow driving part is of a double-rotor structure, when water flows through the short-axis rotor 112, the long-axis rotor 113 is driven to rotate, the short-axis rotor 112, the long-axis rotor 113 and the cavity of the first shell 111 form a relatively closed space, and the volume of water flowing through the closed space in each rotation is constant, that is, the flow rate is only related to the rotating speed and is not related to the pressure; the short shaft rotor 112 and the long shaft rotor 113 are meshed with each other, so that the stress is uniform when the output power does work, additional gear meshing is not needed, the structure is simple, and the rotation efficiency is high.

In one embodiment, the speed change mechanism 12 includes an output shaft 121, a second housing 122, and a speed regulation hand wheel 123, where the second housing 122 is disposed at the left end of the first housing 111, the second housing 122 is provided with a wheel set, the output shaft 121 is movably connected with the long shaft rotor 113 through the wheel set, the speed regulation hand wheel 123 is used for controlling the wheel set, and the left end of the output shaft 121 is rotatably connected with the plunger pump 2.

The working principle of the technical scheme is as follows: the speed change mechanism 12 is a stepless speed change mechanism, specifically, a planetary friction wheel and a speed regulation mechanism are arranged inside the second casing 122, an operator drives the planetary friction wheel through the speed regulation mechanism by using a speed regulation hand wheel 123, the rotating speed of the output shaft relative to the long-shaft rotor 113 is changed, the change of the rotating speed is continuous within a certain range, and the maximum rotating speed is 5 times of the minimum rotating speed, so that the plunger pump 2 is well driven.

The beneficial effects of the above technical scheme are that: through the design of the structure, the embodiment provides a specific structure of the speed change mechanism 12, the speed change mechanism 12 is convenient for an operator to use, the operator uses the speed regulation hand wheel 123 to drive the planetary friction wheel through the speed regulation mechanism, the rotating speed of the output shaft relative to the long-shaft rotor 113 is changed, the change of the rotating speed is continuous within a certain range, and the maximum rotating speed is 5 times of the minimum rotating speed, so that the plunger pump 2 is well driven.

As shown in fig. 4 and 5, in one embodiment, the method further includes:

the mobile device comprises four mobile components 7 and a first power component 8, wherein the four corners of the lower surface of the base 3 are respectively provided with a placing hole 31, the placing hole 31 comprises a first blind hole 32 and a second blind hole 33, the second blind hole 33 is arranged on the inner top surface of the first blind hole 32, the inner diameter of the first blind hole 32 is larger than the inner diameter of the second blind hole 33, the mobile component 7 is arranged in the placing hole 31, the mobile component 7 comprises an inner top seat 71, an inner base 72 and a telescopic mechanism 73, the inner top seat 71 comprises a cylinder seat 711 and two L-shaped inverted hooks 712, the upper part of the cylinder seat 711 is detachably arranged in the second blind hole 33, the lower part of the cylinder seat is arranged in the first blind hole 32, the two inverted hooks 712 are symmetrically arranged at the lower end of the outer wall of the cylinder seat 711, the left side of the inner base 72 is provided with a clamping plate 721 inserted into the inverted hook 712 on the left side, a vertical clamping plate 722 is arranged on the right side of the inner base 72, the vertical clamping plate 722 is clamped with the right side wall of the inverted hook 712 on the right side, an inner block 713 is arranged in the inverted hook 712, the inner base 72 is detachably connected with the inner block 713 through a screw rod 723, and a through hole 724 is arranged in the middle of the inner base 72;

the telescopic mechanism 73 includes a first telescopic water bag 731, a plurality of vertical guide rods 732, a seat plate 733, and a movable leg 734, wherein a plurality of first insertion holes are formed in an inner top surface of the barrel seat 711, a plurality of second insertion holes are formed in the seat plate 733, a plurality of third insertion holes are formed in the inner base 72, the seat plate 733 is disposed in the barrel seat 711 and located above the inner base 72, the vertical guide rods 732 sequentially pass through the third insertion holes and the second insertion holes and extend into the first insertion holes, an upper end of the movable leg 734 passes through the through hole 724 to be connected with the seat plate 733, the first telescopic water bag 731 is disposed in the barrel seat 711 and connected with an upper surface of the seat plate 733, and the four first telescopic water bags 731 are all connected with the first power assembly 8.

The working principle of the technical scheme is as follows: because the variable speed water turbine 1 and the plunger pump 2 are installed on the base 3, in order to facilitate an operator to lift the base up and move the base 3, the proportional mixing device is provided with a moving device, the moving device comprises four moving components 7 and a first power component 8, the moving components 7 comprise an inner top seat 71, an inner base 72 and a telescopic mechanism 73, the inner top seat 71 comprises a cylinder seat 711 and two L-shaped inverted hooks 712, a placing hole 31 is designed on the lower surface of the base 3, and the placing hole 31 comprises a first blind hole 32 and a second blind hole 33 which are just provided with the upper part of the cylinder seat 711 and the two L-shaped inverted hooks 712 respectively; the first power assembly 8 provides power for the telescopic mechanism 73 to support the whole proportional mixing device, specifically, the first telescopic water bag 731 in the barrel seat 711 is filled with water, the first telescopic water bag 731 expands gradually downwards to push the seat plate 733 downwards, and then the movable leg 734 passes through the through hole 724 of the inner base 72, so that the lower end of the movable leg 734 extends out of the first blind hole 32 to support the whole proportional mixing device, and an operator can conveniently move the whole proportional mixing device as required when extinguishing a fire;

moreover, the cylinder seat 711 and the first blind hole 32 are detachably connected, so that the installation and the disassembly of an operator are facilitated; a clamping plate 721 inserted into the left inverted hook 712 is arranged on the left side of the inner base 72, a vertical clamping plate 722 is arranged on the right side of the inner base 72, the vertical clamping plate 722 is clamped with the right side wall of the right inverted hook 712, an inner block 713 is arranged in the inverted hook 712, the inner base 72 is detachably connected with the inner block 713 through a screw rod 723, so that after an operator separates the screw rod 723 from the inner block 713, the inner base 72 is not immediately separated from the barrel seat 711 under the action of the clamping plate 721 and the vertical clamping plate 722, the operator moves the inner base 72 downwards and rightwards to separate the vertical clamping plate 722 from the right inverted hook 712, the clamping plate 721 is separated from the left inverted hook 712, the separation of the inner base 72 from the barrel seat 711 is completed, and the telescopic mechanism 73 is prevented from being directly detached; in the same way, the installation of the telescoping mechanism 73 is also facilitated.

The beneficial effects of the above technical scheme are that: through the design of the structure, the moving device is provided in the embodiment, so that an operator can conveniently move the whole proportional mixing device according to the fire extinguishing condition; the telescopic mechanism 73 in the moving assembly 7 adopts the first telescopic water bag 731 to drive the moving support leg 734 by using water, has a simple structure, does not need to provide additional power electricity, and effectively utilizes water energy; moreover, the barrel seat 711 and the inner base 72 are directly mounted and dismounted through the inverted hook 712, the clamping plate 721, the vertical clamping plate 722, the inner block 713, the screw rod 723 and other structures, and the structure is firm in fixation, simple in structure and convenient for operators to use.

As shown in fig. 6, in one embodiment, the first power assembly 8 includes a water tank 81, a first water pump 82, a second water pump 83, and a tee 84, the water tank 81 is disposed on the base 3 and is communicated with the first main pipe, the first water pump 82 and the second water pump 83 are disposed in the water tank 81, a first end of the tee 84 is communicated with a water outlet end of the first water pump 82 through a first solenoid valve 85, a second end of the tee 84 is communicated with a water inlet end of the second water pump 83 through a second solenoid valve 86, and a third end of the tee 84 is communicated with four first telescopic water bags 731 through pipe sets.

The working principle of the technical scheme is as follows: the first power assembly 8 comprises a water tank 81, a first water pump 82, a second water pump 83 and a three-way pipe 84, the water tank 81 is supplied with water by a first main pipe when in use, so that the weight of the whole proportional mixing device cannot be increased at ordinary times, and the transportation is convenient; an operator starts the first water pump 82 and the first electromagnetic valve 85 (the second electromagnetic valve 86 is in a closed state), and the first water pump 82 supplies water to the first telescopic water bag 731 through the three-way pipe 84; after the fire extinguishing is completed, the operator starts the second water pump 83 and the second solenoid valve 86 (the first solenoid valve 85 is in a closed state), so as to suck the water in the four first telescopic water bags 731, and the first telescopic water bags 731 is retracted, so that the seat plate 733 and the movable leg 734 are retracted.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provide the concrete structure of first power component 8 in this embodiment, made things convenient for operating personnel to use this first power component 8 to supply water and retrieve water to first flexible water bag 731, realized telescopic machanism 73's flexible, made things convenient for whole proportion mixing arrangement's transportation safety.

As shown in fig. 5, in one embodiment, a vertical hole is formed above the placing hole 31, and the tube set includes a plurality of branch tubes 87, and the lower ends of the branch tubes 87 pass through the vertical hole, the upper end of the cylinder block 711, and extend to communicate with the first telescopic water bag 731.

The working principle of the technical scheme is as follows: in order to supply water to the first telescopic water bag 731 by the first power assembly 8, specifically, a vertical hole is designed above the placing hole 31, and the branch pipe 87 in the pipe set has good telescopic elasticity and sufficient length allowance, so that the branch pipe 87 can pass through the vertical hole and extend out from the direction controller 31, an operator can pass the branch pipe 87 through the barrel seat 711 and then communicate with the first telescopic water bag 731, and then pull the redundant branch pipe 87 upwards from the vertical hole, so as to facilitate the installation of the inner top seat 71.

The beneficial effects of the above technical scheme are that: through the design of the above structure, the present embodiment provides the structure of the vertical hole and the branch pipe 87, which facilitates the first power assembly 8 to supply water to the first telescopic water bag 731 and to recover the water.

As shown in fig. 7-10, in one embodiment, the lower surface of the base 3 is provided with a stopper assembly 20, the lower surface of the base 3 is provided with a placement groove 34 corresponding to the stopper assembly 20, the upper surface is provided with a second power assembly corresponding to the stopper assembly 20, the stopper assembly 20 comprises a stopper shell 21, a stopper frame 22 and a plurality of stopper legs 23, the stopper shell 21 is disposed in the placement groove 34, a second telescopic water bag 24 and a stopper clamp plate 25 are disposed in the stopper shell 21, the second telescopic water bag 24 is located above the stopper clamp plate 25 and is communicated with the second power assembly, the stopper frame 22 is connected with the stopper clamp plate 25 through the plurality of stopper legs 23, the upper end of the stopper leg 23 is provided with a spring 26, the spring 26 is located between the stopper shell 21 and the stopper clamp plate 25, set up in the stopper frame 22 with a plurality of stopper damping rods 27, 27 are provided with a plurality of stopper blocks 28 of mutual interval on the stopper damping rod, the cover has interior elastic sleeve 29, outer stereoplasm cover 30 on the stopper block 28, outer stereoplasm cover 30 sets up the outside of interior elastic sleeve 29, the surface of outer stereoplasm cover 30 is provided with anti-skidding line 31.

The working principle of the technical scheme is as follows: when the proportional mixing device is used, the base 3 can be directly placed on the ground, but the variable speed water turbine 1 and the plunger pump 2 can vibrate in the using process and then are transmitted to the base 3, so that the use of the whole proportional mixing device is inevitably influenced; therefore, the base 3 is provided with a limiting component 20 and a second power component for providing supporting power for the limiting component 20;

the limiting assembly 20 comprises a limiting shell 21, a limiting frame 22 and a plurality of limiting supporting legs 23, wherein a second power assembly is used for supplying water and/or recovering water to a second telescopic water bag 24 in the limiting shell 21, the second telescopic water bag 24 is filled with water and then pushes a limiting clamping plate 25 downwards, the limiting clamping plate 25 pushes the limiting supporting legs 23 downwards, and then the limiting supporting legs 23 extend the limiting frame 22 out of a placing groove 34, a limiting block 28 is designed in the limiting frame 22, an inner elastic sleeve 29 and an outer hard sleeve 30 are arranged on the limiting block 28, anti-skid grains 31 are arranged on the outer surface of the outer hard sleeve 30, and the outer hard sleeve 30 is in contact with the ground, anti-skid and wear-resistant; the variable speed water turbine 1 and the plunger pump 2 can generate vibration in the using process, the vibration is transmitted to structural components such as the second telescopic water bag 24, the limiting clamping plate 25, the inner elastic sleeve 29 and the outer hard sleeve 30 in the limiting assembly 20, the vibration is well absorbed and counteracted, and the influence of the vibration on the use of the proportional mixing device is reduced.

It should be noted that the stopper 22 is provided with an inverted U-shaped opening 33 corresponding to the stopper damping rod 27, and the end of the stopper damping rod 27 is fastened in the inverted U-shaped opening 33 and fixed by a nut 32.

It should be noted that the second power assembly has substantially the same structure as the first power assembly, and is not described in detail.

The beneficial effects of the above technical scheme are that: through the design of the above structure, the embodiment provides a specific structure of the stopper assembly 20, wherein the structural components such as the second telescopic water bag 24, the stopper clamp plate 25, the inner elastic sleeve 29, the outer hard sleeve 30, and the like have a better function of absorbing and offsetting shock, so that the influence of shock on the use of the proportional mixing device of the present invention is reduced; the second telescopic water bag 24 is also driven by water power, so that additional power electricity is not needed, water energy is effectively utilized, and the consumption of other energy sources is reduced;

wherein, stopper 28 adopts triangle-shaped to be damping connection between stopper damping rod 27 and the stopper frame 22, so avoided stopper damping rod 27 to drive stopper 28 and rotated, after outer stereoplasm cover 30 used for a long time, operating personnel can be mobile device and supported base 3, rethread nut 32 rotates stopper damping rod 27, makes other faces of outer stereoplasm cover 30 towards subaerially, makes outer stereoplasm cover 30 by make full use of.

As shown in fig. 9, in one embodiment, the stopper clamp 25 includes an upper clamp 251, an intermediate elastic layer 252, and a lower clamp 253, a slide block 254 is disposed on a peripheral side wall of the lower clamp 253, a vertical slide groove 211 is disposed on an inner wall of the stopper housing 21, and the slide block 254 is slidably connected to the vertical slide groove 211.

The working principle of the technical scheme is as follows: middle elastic layer 252 can adopt the silica gel of elasticity energy-absorbing, rubber materials makes, when buffering the shock attenuation to base 3, the restriction splint 25 plays the effect of supplementary flexible water bag of second, wherein, the punch holder 251 of restriction splint 25 is supporting the flexible water bag of second, restriction landing leg 23 is being connected to lower plate 253, lower plate 253 passes through slider 254 and vertical spout 211 and slides, and then made things convenient for the reciprocating of restriction splint 25 in restriction shell 21, slider 254 and vertical spout 211 with play the guide effect, avoided restriction splint 25 at reciprocating the in-process deviation.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provide the concrete structure of stopper splint 25 in this embodiment, this stopper splint 25 has better shock attenuation auxiliary function to and have better direction slip between the stopper shell 21, conveniently drive stopper frame 22, stopper landing leg 23 and reciprocate.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

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

While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.