CN219256028U

CN219256028U - Automatic water feeding system and concrete stirring equipment

Info

Publication number: CN219256028U
Application number: CN202320206011.XU
Authority: CN
Inventors: 李丹丹; 张玄; 徐飞; 尹晨; 豆锐科
Original assignee: Xuzhou XCMG Schwing Machinery Co Ltd
Current assignee: Xuzhou XCMG Schwing Machinery Co Ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-27
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses an automatic water feeding system and concrete stirring equipment in the technical field of concrete stirring, and aims to solve the problems that two independent water supply systems are needed to be respectively placed in two different water tanks, independent water supply is needed, the cost is high and the like in the prior art; the first pipeline and the second pipeline extend to the outside and are connected with the main pipeline, and a first pneumatic valve and a second pneumatic valve are respectively arranged on the first pipeline and the second pipeline; the main pipeline is provided with a water pump, and switching between the clean water tank and the sewage tank can be completed by switching the first pneumatic valve and the second pneumatic valve. The utility model can realize automatic switching of the water supply pool by one pump, and solves the problem of automatic switching of the liquid supply of the double pools at low cost.

Description

Automatic water feeding system and concrete stirring equipment

Technical Field

The utility model relates to an automatic water feeding system and concrete stirring equipment, and belongs to the technical field of concrete stirring.

Background

The concrete stirring equipment is used for producing concrete, and has two structural forms, namely standing type and building type. In the working process of the concrete stirring equipment, water required for stirring is generally stored in a ground reservoir and is conveyed into a temporary storage water tank or a water metering scale through a water supply pump and corresponding pipelines.

If the user uses two kinds of water with different concentrations, such as clear water and sewage which can be directly used for stirring, two sets of water supply systems are respectively arranged in two pools and respectively conveyed into the building, so that the cost is high.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, provides an automatic water feeding system and concrete stirring equipment, can realize automatic switching of a water supply pool by one pump, and solves the problem of automatic switching of liquid supply of double pools at low cost.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

in one aspect, the utility model provides an automatic water feeding system, which comprises a clean water tank, a sewage tank and a water pump, wherein a first pipeline and a second pipeline are respectively arranged in the clean water tank and the sewage tank; the first pipeline extends to the outside of the clean water tank and is connected with the main pipeline, and a first pneumatic valve is arranged on the first pipeline; the second pipeline extends to the outside of the sewage pool and is connected with the main pipeline, and a second pneumatic valve is arranged on the second pipeline; the main pipeline is provided with a water pump, and switching between the clean water tank and the sewage tank can be completed by switching the first pneumatic valve and the second pneumatic valve.

Optionally, still include the water injection mechanism in advance, the water injection mechanism in advance is located on the main pipe, and it includes water filling port and a plurality of manual ball valves, divide on the first pipeline and be equipped with first branch road pipeline, be equipped with first manual ball valve on the first branch road pipeline, divide on the second pipeline and be equipped with the second branch road pipeline, be equipped with the manual ball valve of second on the second branch road pipeline, first branch road pipeline and second branch road pipeline all communicate with the water filling port, the water filling port is furnished with the manual ball valve of third.

Optionally, bottom valves are arranged at the ends of the first pipeline and the second pipeline, which are positioned in the pool.

Optionally, the clean water tank and the sewage tank are internally provided with liquid level meters, the liquid level meters are used for monitoring the liquid level conditions in the tank and transmitting the liquid level conditions to an external controller, and the external controller is electrically connected with the first pneumatic valve and the second pneumatic valve.

Optionally, the water pump is a horizontal centrifugal pump or a vertical pipeline pump.

Optionally, the main pipeline is provided with a one-way valve, and the one-way valve is used for preventing the water flow in the pipeline from flowing backwards.

On the other hand, the utility model also provides concrete mixing equipment, which comprises the automatic water feeding system, wherein the concrete mixing equipment is provided with an inner pipeline, and the inner pipeline is communicated with the main pipeline.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through one set of supply pump, two sets of water inlet pipelines respectively enter two water tanks, and the two sets of water inlet pipelines are communicated with one main pipeline, compared with the prior art, the cost is saved to a great extent through two sets of independent water supply systems, and the water enters the concrete stirring equipment through one main pipeline, so that the layout in the equipment is simpler, and the space is also saved;

according to the utility model, the liquid level meters are arranged in the two tanks, the water in one tank is set to be consumed preferentially through the external controller, and when the water is consumed to a low level and no low level signal is generated in the other tank, the system is automatically switched to the other tank;

because the water pump is a centrifugal pump, the characteristics of the centrifugal pump are considered, and the pre-water injection mechanism is arranged for injecting water before starting, the utility model has the advantages of simple structure, easy realization of the principle, low cost, high reliability and the like.

Drawings

FIG. 1 is a schematic diagram of an automatic water supply system according to an embodiment of the present utility model;

in the figure: 1 clean water tank, 2 effluent water tank, 3 first pipeline, 4 second pipeline, 5 main pipeline, 6 first pneumatic valve, 7 second pneumatic valve, 8 water pump, 9 water filling port, 10 first branch pipeline, 11 second branch pipeline, 12 first manual ball valve, 13 second manual ball valve, 14 third manual ball valve, 15 level gauge, 16 bottom valve, 17 check valve, 18 inside pipeline.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Examples

As shown in fig. 1, the self-water-feeding system provided by the embodiment of the utility model comprises a clean water tank 1, a sewage tank 2 and a water pump 8, wherein a first pipeline 3 and a second pipeline 4 are respectively arranged in the clean water tank 1 and the sewage tank 2, a first pneumatic valve 6 is arranged on the first pipeline 3, and a second pneumatic valve 7 is arranged on the second pipeline 4.

The first pipeline 3 and the second pipeline 4 extend to the outside of the pool and are connected with the main pipeline 5, a water pump 8 and a one-way valve 17 are arranged on the main pipeline 5, the water pump 8 is a centrifugal pump, and can be specifically one of a horizontal centrifugal pump or a vertical pipeline pump, and the one-way valve 17 can prevent water flow in the pipeline from flowing backwards.

The clear water tank 1 and the sewage tank 2 are respectively provided with a liquid level meter 15, the liquid level meter 15 is used for monitoring the liquid level condition in the tank and transmitting the liquid level condition to an external controller, and the external controller is electrically connected with the first pneumatic valve 6 and the second pneumatic valve 7. Therefore, the external controller can control the opening and closing of the first pneumatic valve 6 and the second pneumatic valve 7 according to the liquid level condition, so that the switching between the clean water tank 1 and the sewage tank 2 is completed.

Examples

On the basis of the embodiment 1, the embodiment further comprises a pre-water injection mechanism, and the pre-water injection mechanism is arranged on the main pipeline 5. Because the characteristic of the centrifugal pump is considered, when the water pump 8 is started for the first time, water is needed to be filled into the pipeline at the water inlet end of the water pump 8 before the centrifugal pump is used, and the pre-water filling mechanism is arranged to play the role.

The pre-water injection mechanism comprises a water injection port 9 and a plurality of manual ball valves, the number of the manual ball valves is specifically 3, a first branch pipeline 10 is arranged on the first pipeline 3 in a dividing mode, a first manual ball valve 12 is arranged on the first branch pipeline 10, a second branch pipeline 11 is correspondingly arranged on the second pipeline 4 in a dividing mode, a second manual ball valve 13 is arranged on the second branch pipeline 11, the first branch pipeline 10 and the second branch pipeline 11 are communicated with the water injection port 9, and a third manual ball valve 14 is further arranged at the water injection port 9.

Before the use, need open three manual ball valves simultaneously, carry out the water injection operation to the water inlet end pipeline of water pump 8, after the internal water that fills in water pump 8 inner chamber, close all manual valves and can begin to use. The end parts of the first pipeline 3 and the second pipeline 4, which are positioned in the tank, are respectively provided with a bottom valve 16, and the bottom valves 16 have a water stopping function, so that the system does not need to be filled with water into the water pump 8 and the pipeline before being used for the second time.

Examples

The embodiment provides a concrete mixing plant, and the concrete mixing plant is provided with an inner pipeline 18, and further includes the automatic water feeding system described in the above embodiment, and the main pipeline 5 of the automatic water feeding system is communicated with the inner pipeline 18.

The working principle of the utility model is as follows: before using, three manual valves are opened simultaneously, water is injected into the cavity of the water pump 8 and the pipeline at the water inlet end of the water pump 8, and after the cavity of the water pump 8 is filled with water, all manual ball valves are closed, so that the water pump can be started to be used.

The clear water tank 1 is preferably used for proportioning through an external controller, namely the first pneumatic valve 6 is controlled to be in an open state, and the second pneumatic valve 7 is controlled to be in a closed state. When the clean water tank 1 has a low material level signal and the sewage tank 2 has no low material level signal, the liquid level meter 15 transmits the signal to an external controller, and after the controller receives the signal, the controller closes the first pneumatic valve 6 and opens the second pneumatic valve 7 to complete the switching of the water supply tank from the clean water tank 1 to the sewage tank 2.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. An automatic water supply system, characterized in that: the sewage treatment device comprises a clean water tank, a sewage tank and a water pump, wherein a first pipeline and a second pipeline are respectively arranged in the clean water tank and the sewage tank; the first pipeline extends to the outside of the clean water tank and is connected with the main pipeline, and a first pneumatic valve is arranged on the first pipeline; the second pipeline extends to the outside of the sewage pool and is connected with the main pipeline, and a second pneumatic valve is arranged on the second pipeline; the main pipeline is provided with a water pump, and switching between the clean water tank and the sewage tank can be completed by switching the first pneumatic valve and the second pneumatic valve.

2. An automatic water supply system according to claim 1, wherein: still including prefilling mechanism, prefilling mechanism locates on the main pipe, and it includes water filling port and a plurality of manual ball valve, divide on the first pipeline and be equipped with first branch road pipeline, be equipped with first manual ball valve on the first branch road pipeline, divide on the second pipeline and be equipped with the second branch road pipeline, be equipped with the manual ball valve of second on the second branch road pipeline, first branch road pipeline and second branch road pipeline all communicate with the water filling port, the water filling port is furnished with the manual ball valve of third.

3. An automatic water supply system according to claim 2, wherein: and bottom valves are arranged at the end parts of the first pipeline and the second pipeline, which are positioned in the pool.

4. An automatic water supply system according to claim 1, wherein: the clear water tank and the sewage tank are internally provided with liquid level meters, the liquid level meters are used for monitoring the liquid level conditions in the tank and transmitting the liquid level conditions to an external controller, and the external controller is electrically connected with the first pneumatic valve and the second pneumatic valve.

5. An automatic water supply system according to claim 1, wherein: the water pump is a horizontal centrifugal pump or a vertical pipeline pump.

6. An automatic water supply system according to claim 1, wherein: the main pipeline is provided with a one-way valve which is used for preventing water flow in the pipeline from flowing backwards.

7. A concrete mixing plant provided with an internal pipe, characterized in that: an automatic water supply system comprising the water supply system according to any one of claims 1 to 6, wherein the internal pipeline is communicated with the main pipeline.