CN202129866U - A mobile concrete mixing device with safety protection measures - Google Patents

Abstract

The utility model is applicable to the technical field of concrete mixing, and provides a mobile concrete mixing device with safety protection measures. The device includes a container body installed on a towable frame, a mixer and a central control unit are installed in the container body, and the mixer is respectively connected to a cement scale cylinder, a water scale cylinder and an aggregate unit for accommodating, weighing and conveying aggregates. The aggregate unit includes a belt electric conveyor, a belt scale device and an aggregate storage bin; a cement standby storage bin connected to the cement scale cylinder is installed at the upper end of the container body; an air compressor, a temporary power supply quick conversion device, an external power supply quick connection device and a main power box are also installed in the container body to provide emergency power for the central control unit and the mixer. The utility model can provide emergency measures in the event of sudden power outages or water outages by providing an air compressor, a temporary power supply quick conversion device, an external power supply quick connection device and a main power box for emergency power.

Description

A mobile concrete mixing device with safety protection measures

technical field

The utility model belongs to the technical field of concrete mixing, in particular to a mobile concrete mixing device with safety protection measures. the

Background technique

In the prior art, the disclosed mixing equipment for concrete production as the publication number CN1192397A includes: a container mounted on a flatbed trailer with wheels to be transported on the road; a detachable aggregate sorting and storage device and Removable cement storage unit. The container comprises: a concrete mixer with a weighing device conveying part and a water storage device with a metering device. On site, the container is moved to the platform that supports it, the aggregate sorting and storage unit and the cement storage unit are secured to the top of the container, and aggregates measured on site from the storage unit are delivered to the mixer. Metered cement and metered water from the storage unit are also fed into the mixer, and the concrete is discharged from the bottom of the mixer. Its scale is connected to the central control unit, once the required amount of cement has been sent from the cement storage unit to the scale, the operator can stop the further supply of cement. The existing concrete mixing equipment has the following disadvantages:

1. The electricity and water environment of the construction site is generally poor. When there is a sudden power outage or water outage, the equipment must stop working, causing the concrete in the container to solidify and damage the mixing equipment;

2. When the concrete mixing equipment weighs cement and aggregate, a certain amount of material will be in the air, that is, the air margin is generated. The existing concrete mixing equipment does not consider the air margin, and the air margin will seriously affect Accuracy of material weighing. In addition, when several materials are weighed with the same weighing cylinder, such as weighing sand with a pound, large-sized stones, small-sized stones, and stone powder, the error of the superposition will be more amplified.

3. Additives are directly added to the aggregate, resulting in uneven distribution of additives and affecting the quality of concrete. the

Utility model content

The technical problem to be solved by the utility model is to provide a mobile concrete mixing device with safety protection measures in case of sudden power failure or water cut-off. the

The embodiment of the utility model is achieved in this way. A mobile concrete mixing device with safety protection measures includes: a container body installed on a towable vehicle frame, and the container body is equipped with a mixer and a central control unit. The mixer is respectively connected with the cement scale cylinder, the water scale cylinder and the aggregate unit for containing, weighing and conveying the aggregate. The aggregate unit includes a belt electric conveyor, a belt conveyor installed on the belt electric conveyor, Weighing device and aggregate storage bin; the upper end of the container body is equipped with a cement standing storage bin connected to the cement scale cylinder; the container body is also equipped with an air compressor that provides emergency power for the central control unit and the mixer. Machine, temporary power supply fast switching device and external power fast connecting device and main electrical box. the

Compared with the prior art, the embodiment of the utility model has the beneficial effect that: by providing an emergency power air compressor, a temporary power supply fast conversion device, an external power supply fast connection device and the main electrical box, it can Provide emergency measures in case of power outage or water outage. the

Description of drawings

Fig. 1 is the structural representation of the mobile concrete mixing device with safety protection measure that the utility model embodiment provides;

Fig. 2 is the modular block diagram of the central control unit of the mobile concrete mixing device with safety protection measures provided by the embodiment of the present invention;

Fig. 3 is a flow chart of the concrete mixing method of the mobile concrete mixing device with safety protection measures provided by the embodiment of the present invention;

Fig. 4 is an example diagram of the display interface distribution of the display module of the mobile concrete mixing device with safety protection measures provided by the embodiment of the utility model.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model. the

The implementation scheme that the utility model embodiment provides is as follows:

A mobile concrete mixing device with safety protection measures, comprising: a container body installed on a towable vehicle frame, the container body is equipped with a mixer and a central control unit, and the mixer is respectively connected with a cement pound cylinder, a water scale The cylinder is connected with the aggregate unit for containing, weighing and conveying the aggregate. The aggregate unit includes a belt type electric conveyor, a belt weighing device installed on the belt type electric conveyor and an aggregate storage bin; The upper end of the container body is equipped with a cement standing storage warehouse connected with the cement pound cylinder; an air compressor providing emergency power for the central control unit and the mixer, a temporary power supply quick conversion device and an external Power quick connection device and main electrical box.

Through the air compressor that provides emergency power, the temporary power supply quick conversion device, the external power supply quick connection device and the main electrical box, it can provide emergency measures in case of sudden power failure or water failure. the

Below in conjunction with specific embodiment the realization of the utility model is described in detail:

Please refer to Fig. 1 and Fig. 2, the embodiment of the utility model provides a mobile concrete mixing device with safety protection measures, including: a container body 7 installed on the towable frame 1, the container body 7 contains There is a mixer 2 and a central control unit 14, and the mixer 2 is respectively connected to the cement pound cylinder 3, the water pound cylinder 13 and the aggregate unit for containing, weighing and conveying aggregate, and the aggregate unit includes a belt electric Conveyor 15, belt weighing device 4 installed on the belt electric conveyor 15 and aggregate storage bin 8; the upper end of the container body 7 is equipped with a cement standing storage bin 11 connected to the cement weighing cylinder 3; An air compressor providing emergency power for the central control unit 14 and the mixer 2, a temporary power supply quick switching device, an external power quick connecting device and a main electrical box are also installed in the container body 7 .

In an embodiment of the present utility model, the mobile concrete mixing device also includes: an additive pound cylinder 12 connected to the cement pound cylinder 3, a standing water storage cylinder connected to the water pound cylinder 13 and a pumping pipeline 50. The standing additive pound cylinder and pumping pipeline 60 connected with the additive pound cylinder 12; the upper and lower ends of the additive pound cylinder 12 are respectively provided with an inflow port and an outflow port, and the inflow port is connected with the standing additive pound cylinder and the The delivery pipe provided in the pumping pipeline 60 is connected, and the outflow port is connected with the water receiving port 131 provided in the water scale cylinder 13 . the

The embodiment of the utility model connects the outlet of the additive weighing cylinder 12 with the water receiving port 131 provided by the water weighing cylinder 13, so the additive can be mixed into the water first, so that the additive can be evenly distributed and the concrete quality can be improved. the

In the embodiment of the present utility model, the central control unit 14 includes: an air margin module 142, a gate control module 143 and a display module 141 connected in sequence;

The air margin module 142 is respectively connected to the cement standing storage bin 11, the standing water storage tank and the pumping pipeline 50, the standing additive pound cylinder and the pumping pipeline 60, and the aggregate storage bin 8, for determining the cement standing The quality of the air margin produced when the gates of the storage bin 11, the standing water storage tank and the pumping pipeline 50, the standing additive pound tank and the pumping pipeline 60, and the aggregate storage bin 8 are closed;

The gate control module 143 is used to control and close the cement standing reserve when the weighed quality of cement, water, additives and aggregates is the difference between the required quality of the formula input by the user and the quality of the corresponding air margin. Storehouse 11, standing water storage tank and pumping pipeline 50, standing additive pound tank and pumping pipeline 60 and the gate that aggregate storage bin 8 is provided with.

In the embodiment of the present utility model, the display module 141 is respectively connected with the cement scale cylinder 3, the water scale cylinder 13, the additive scale cylinder 12 and the belt weighing device 4, and is used for real-time display of the cement scale cylinder 3, the water scale cylinder 13, The quality of cement, water, additives and aggregate weighed by the additive weighing cylinder 12 and the belt weighing device 4;

The gate control module 143 is specifically used for when the display module 141 displays that the weighed quality of cement, water, additives and aggregates is the difference between the required quality of the formula input by the user and the corresponding quality of the air balance, Then control and close the gates set by the cement standing storage bin 11, the standing water storage tank and the pumping pipeline 50, the standing additive pound cylinder and the pumping pipeline 60 and the aggregate storage bin 8.

The mobile concrete mixing device of the embodiment of the utility model greatly improves the accuracy of material weighing through the air margin module 142, the display module 141 and the gate control module 143, so that the materials can be accurately put in according to the formula to produce high-quality concrete. quality concrete. Through the standing water storage tank and the pumping pipeline 50, an emergency protection measure can be provided in case of a sudden water failure. the

In the embodiment of the present utility model, the mobile concrete mixing device also includes an alarm unit 145 connected to the central control unit 14, which is used to automatically alarm when the mixing device fails, and the central control unit 14 sends an emergency alarm. Stop command. the

In the embodiment of the present utility model, the mobile concrete mixing device further includes an aggregate weighing error-proofing module 146 connected to the central control unit 14, which is used to open only the material when one type of aggregate is being weighed. The warehouse gates and other material warehouse gates are locked to prevent mis-weighing, and the belt weighing device 4 weighs all the aggregates in the formula one by one in order. the

In the embodiment of the present utility model, the mobile concrete mixing device further includes a man-machine interface 147 connected to the central control unit 14, for inputting preset concrete formulations and control parameters of the production process into the system. the

In the embodiment of the present invention, the mobile concrete mixing device further includes that the man-machine interface 147 is a keyboard or a touch screen arranged on the display module 141 . the

In this utility model embodiment, the lower end of vehicle frame 1 is also equipped with more than one tire 5 . Thus having mobility. the

In the embodiment of the present utility model, the lower end of the towable vehicle frame 1 is also provided with a bridge 16 for towing the front of the vehicle. the

In this utility model embodiment, the lower end of the mixer 2 is provided with a discharge port 21, and the aggregate unit includes a belt electric conveyor 15, a belt weighing device 4 installed on the belt electric conveyor 15, and an aggregate storage unit. Bin 8, belt weighing device 4 is also provided with an aggregate outlet port 41;

The upper end and the lower end of the cement pound cylinder 3 are respectively provided with a feed port 31 and a discharge port 32;

The upper end and the lower end of the water scale cylinder 13 are respectively provided with a water inlet 131 and a water outlet 132;

The upper end of the mixer 2 is provided with a feed port 22 connected to the outlet port 41 , the discharge port 32 and the water discharge port 132 respectively.

In this utility model embodiment, an air compressor is also housed in the container body 7 . The air path laying, control and protection of pneumatic settings, devices, and functional components can be realized through the air compressor. the

In the embodiment of the utility model, a temporary power supply fast conversion device is also housed in the container body 7 . Can be used for emergency power supply. An emergency protection measure is provided, which can provide temporary power supply when the mobile concrete mixer suddenly loses power, so that the remaining unmixed concrete can be mixed completely, so as to prevent the unmixed concrete from being left in the mixer when the power is suddenly cut off. solidification. the

In the embodiment of the utility model, the container body 7 is also equipped with an external power supply quick connection device and a main electrical box. Including cable to control room strong current cabinet; control room strong current cabinet to all electrical equipment, facilities, devices, functional components, circuit laying, control and protection of all on/off, start and stop, etc. Through the external power supply quick connection device and the main electrical box, another power supply option is provided in case of sudden power failure. the

In the embodiment of the present utility model, the aggregate storage bin includes a lower bin 81 and a foldable upper bin 82 which are respectively installed inside and outside the container body 7 . the

In the embodiment of the present utility model, the upper end of the belt weighing device 4 is provided with an upper port, and the lower end of the lower chamber 81 is provided with an outlet connected to the upper port. the

In this utility model embodiment, the upper end of the container body 7 is also equipped with a detachable cement standing storage bin 11, and the feed port 31 of the cement pound cylinder 3 is connected to the outlet provided at the lower end of the detachable cement standing storage bin 11. Feed port connection. the

In the embodiment of the utility model, a distributor 10 is also installed on the upper end of the container body 7 . the

Please refer to Fig. 3, the utility model embodiment also provides a kind of concrete mixing method of above-mentioned mobile concrete mixing device, comprises the following steps:

In step S301, the required quality of cement, water, additives and aggregates is pre-weighed according to the requirements of the concrete formula through the cement scale cylinder: 3, the water scale cylinder 13, the additive scale cylinder 12 and the belt weighing device 4.

In step S302, the gate of the additive scale cylinder 12 is opened, and the additive is added into the water scale cylinder 13. the

In step S303 , the water mixed with additives weighed in the water scale tank 13 , the cement weighed in the cement scale tank 2 , and the aggregate weighed in the belt scale device 4 are transported to the mixer 2 for mixing. the

In step S304, the material is discharged. the

In the embodiment of the utility model, by mixing the additives into the water firstly, the additives can be evenly distributed, thereby improving the quality of the concrete. the

In the implementation of the present utility model, the process of weighing the aggregate by the belt scale device 4 is as follows: when a kind of aggregate is being weighed, only the gate of the material bin is opened, and the gates of other material bins are locked to prevent mis-weighing. The belt weighing device 4 weighs all the aggregates in the formula one by one in sequence. the

In this step, the stirred concrete can be directly discharged from the discharge port 21 of the mixer 2 . the

In the embodiment of the utility model, the step of pre-weighing the required quality of cement, water, additives and aggregate through the cement scale cylinder 3, the water scale cylinder 13, the additive scale cylinder 12 and the belt weighing device 4 is specific for:

Determine the quality of the air margin produced respectively when the gates of the standing cement storage bin 11, the standing water storage tank and the pumping pipeline 50, the standing additive pound cylinder and the pumping pipeline 60 and the aggregate storage bin 8 are closed;

Real-time display of the cement, water, additives and aggregate weighed by the cement weighing tank 3, water weighing tank 13, additive weighing tank 12 and belt weighing device 4;

When the display module 141 shows that the quality of the weighed cement, water, additives and aggregate is the difference between the required quality of the formula input by the user and the quality of the corresponding air margin, then the control closes the cement standing storage bin 11, the standing The water storage tank and the pumping pipeline 50, the standing additive pound cylinder and the pumping pipeline 60 and the gates provided by the aggregate storage bin 8.

A detailed description of each part is as follows:

(1) Relevant parts of the aggregate unit

In the embodiment of the utility model, the aggregate includes one or any combination of sand, stone and stone powder.

Aggregate units include:

A belt type electric conveyor 15, a belt weighing device 4 and an aggregate storage bin 8 installed on the belt type electric conveyor 15.

The belt scale device 4 is arranged below the aggregate storage bin 8 and at the rear end of the mixer 2 . the

The belt weighing device 4 is provided with an upper port, and the upper port is connected with the outlet of the lower bin 81 of the aggregate storage bin 8 to form an aggregate receiving end. The belt weighing device 4 is also provided with an aggregate outlet port 41 connected to one of the feed ports 22 of the mixer 2 . the

In the embodiment of the utility model, the outlet of the aggregate storage bin 8 is provided with a gate. the

The belt-type weighing device 4 can hold and weigh aggregates, and the aggregates can be automatically transported to the mixer 2 driven by the belt-type electric conveyor 15 . the

In the embodiment of the utility model, the belt scale device 4 is provided with a seat type gravity sensor, a one-way weighing trough, a material steady flow guide plate and a dust cover. the

The aggregate unit of the embodiment of the utility model can integrate the functions of storage, automatic weighing and automatic conveying into one body, and the functions are more comprehensive. the

When the aggregate needs to be weighed, the user can select the formula in the central control unit 2, and the relevant aggregate can be automatically opened according to the formula volume ratio selected by the user, and the gates of the outlets of each aggregate storage bin 8 are automatically opened. The weighing device 4 starts to receive each aggregate and accurately weighs according to the set procedure; the belt scale weighing device 4 can select a single aggregate or stacked weighing of multiple aggregates to complete the weighing. Aggregate ingredients. The weighed aggregate will be conveyed into the mixer 2 by the belt weighing device 4 for mixing within the set appropriate time. This process is fully controlled by the central control unit 14. Of course, in specific applications, it can be adjusted according to the situation. Control is achieved manually, semi-automatically or fully automatically. the

In the embodiment of the utility model, the aggregate storage bin 8 can be arranged in multiples as required to separate various aggregates. For example, it can be divided into four compartments to store 4 kinds of aggregates. For example, this is not intended to limit the present invention. utility model. The aggregate storage bin 8 includes a fixed lower bin 81 and a foldable upper bin 82 . Lower storehouse 81 is above the belt weighing device 4, and the lower end of lower storehouse 81 is provided with a normally closed gate; Upper storehouse 82 can be made with dividing plate or coaming plate specifically. The lower ends of the upper bins 82 are respectively connected with the lower bins 81 . When the upper bin 82 is opened, the capacity of the aggregate storage bin can be increased, and when transported, the upper bins can be stacked, thereby saving space and facilitating transportation. the

(2) Cement-related parts

In the embodiment of the utility model, the cement is not used to limit the utility model, and can also be applied to other powder materials.

In the utility model embodiment, the cement pound cylinder 3 is used for weighing cement. Cement pound cylinder 3 is arranged on the top of mixer 2. Gravity sensor and metering control device are housed on the cement pound cylinder 3. the

The upper end of the cement pound cylinder 3 is provided with a feed port 31, and the lower end is provided with a discharge port 32. The feed port 31 is connected with the detachable cement standing storage bin 11 arranged at the upper end of the container body 7, and the discharge port 32 is connected with the mixer. 2. One of the feed ports 22 at the upper end is connected, and the standing cement storage bin 11 is a detachable external device, and can also be an external cement tank. The lower end of the cement standing storage bin 11 is provided with an outlet, which is connected to the mixer 2 through the cement pound cylinder 3, and the outlet is provided with a pneumatic control valve, and the upper and lower ports of the outlet are connected by soft channels and equipped with a return device , not only can ensure the accuracy of weighing, but also meet environmental protection requirements. the

When cement needs to be weighed, the user can automatically open the gate of the outlet of the cement standing storage bin 11 through the formula selected in the central control unit 2 according to the selected formula volume ratio, and the cement pound cylinder 3 starts to receive cement and press the set Accurately weigh according to the established procedures to complete the cement batching. The weighed cement will be poured into the mixer 2 within the appropriate time set by the effect of the height difference. This process is fully controlled by the central control unit 14. Of course, in specific applications, it can be manually or semi-automatically adjusted according to the situation. Or fully automated way to achieve control. the

(3) Water-related parts

In the utility model embodiment, the water scale cylinder 13 is used for weighing water. The water pound cylinder 13 is arranged on the mixer 2 tops. A gravity sensor and a metering control device are installed on the water scale cylinder 13 , the upper end of the water scale cylinder 13 is provided with a water inlet 131 , and the lower end is provided with a water outlet 132 . The water inlet 131 is connected to the standing water storage tank and the water supply pipe of the pumping pipeline through a hose, and the water outlet 132 is connected to one of the feed ports 22 on the upper end of the mixer 2. drop, the weighed water can be poured into the mixer 2 automatically.

When water needs to be weighed, the user can automatically supply water to the water scale cylinder 13 through the pipeline pump in the water supply pipe of the standing water storage tank according to the formula selected in the central control unit 2, and the water scale cylinder 13 starts to receive water and Perform accurate weighing according to the set program; this process is fully controlled by the central control unit 14, of course, in specific applications, it can be controlled manually, semi-automatically or fully automatically according to the situation. the

(4) Relevant parts of additives

In this utility model embodiment, the additive scale cylinder 12 is used for weighing the additive. The additive scale cylinder 12 is arranged above the water scale cylinder 13. Gravity sensor and metering control device are installed on the additive pound cylinder 12, and additive pound cylinder 12 is provided with inflow port and outflow port, and this inflow port is connected with standing additive pound cylinder and pumping pipeline, and outflow port is connected with water pound cylinder 13. The water inlets 131 are connected, and the outflow ports adopt pneumatic control valves, and the weighed additives can be automatically poured into the water scale cylinder 13 by utilizing the height difference.

When the additive needs to be weighed, the user can automatically pump it into the additive scale cylinder 12 through the special pipeline pump installed in the standing additive scale cylinder and the pumping pipeline according to the formula selected in the central control unit 2, and the additive scale cylinder 12 starts to receive additives and accurately weighs according to the set procedure; after the weighing is completed, the weighed additives are automatically injected into the water pound tank 13 by using the height difference, and then poured into the mixer 2 with water, which is similar to the traditional Compared with the technology of directly adding additives into the aggregate, the utility model can make the distribution of the additive more uniform by first adding the additive into the water and then stirring with the aggregate in the mixer 2 . This process is fully controlled by the central control unit 14, of course, in specific applications, it can be controlled manually, semi-automatically or fully automatically according to the situation. the

In a specific application, the amount and type of additives can be selected according to the climate and environment conditions of the area at that time, and of course they can also be automatically set and selected by the central control unit 14 . the

(5) Relevant parts of the mixer

The upper end of the mixer 2 is provided with a plurality of feed ports 22 correspondingly connected with the aggregate outlet port 41 provided by the belt scale device 4 , the discharge port 32 of the cement scale cylinder 3 and the water discharge port 132 of the water scale cylinder 13 .

The lower end of the mixer 2 is provided with a discharge port 21, and the discharge port 21 can be specifically a hydraulic gate, which is used to discharge the finished concrete mixed in the mixer 2 for the user; the concrete mixer undertakes the mixing and stirring of various concrete materials, and the mixing The process is fully controlled by the central control unit 14 according to the recipe and environmental conditions. Of course, in specific applications, it can be controlled manually, semi-automatically or fully automatically according to the situation. the

(6) Relevant parts of aggregate supply and automatic distributing unit

The mobile concrete mixing device provided by the embodiment of the utility model also includes an aggregate supply and automatic material distribution unit. The aggregate supply and automatic distributing unit includes:

A support, a motor, a gearbox, a rotating shaft, and a multi-station automatic selection bin opening positioning device such as a sensor, a limiter, etc., and a material receiving chute.

The location of the type of each aggregate bin is matched with the type of the external aggregate storage bin, and the accuracy and reliability of the material distribution during the aggregate feeding process can be ensured through the sensor, the control unit of the limiter and the interlocking device , It can realize that when various aggregates are transported separately by the same conveying device, each aggregate can correspond to the corresponding aggregate bin one by one without error. the

In the embodiment of the utility model, the transportation of the aggregate can be realized by a belt conveyor or/and a bucket elevator, which can be selected according to the conditions of the site and the environment; it is convenient to adapt measures to local conditions. The conveying of aggregates can be fully controlled by the central control unit 14, of course, in specific applications, it can be controlled manually, semi-automatically or fully automatically according to the situation. the

(7) Relevant parts of the central control unit

In this utility model embodiment, the central control unit 14 includes:

The air margin module 142 is used to determine the respective positions when the gates of the standing cement storage bin 11, the standing water storage tank and the pumping pipeline 50, the standing additive pound cylinder and the pumping pipeline 60, and the aggregate storage bin 8 are closed. the mass of the resulting air margin;

The display module 141 is used to display the quality of cement, water, additives and aggregates obtained by the cement scale cylinder 3, the water scale cylinder 13, the additive scale cylinder 12 and the belt weighing device 4 in real time; wherein the display module 141 shows The interface distribution is shown in Figure 4. The display interface includes: a belt scale display area for displaying weighing data, a cement scale tank display area, a water scale tank display area and an additive scale tank display area. In practical applications, the arrangement of each display area can be adjusted as required, which is not intended to limit the present invention.

The gate control module 143 is used for when the display module 141 shows that the weighed cement, water, additives and aggregates are the difference between the required quality of the formula input by the user and the quality of the corresponding air margin, then the control is closed The cement standing storage bin 11, the standing water storage tank and the pumping pipeline 50, the standing additive pound tank and the pumping pipeline 60, and the gates set by the aggregate storage bin 8. the

In the embodiment of the utility model, the central control unit 14 is also equipped with a computer, a workbench, man-machine dialogue and wireless communication facilities. All functional circuits of the mobile concrete mixing device of the present utility model are integrated in the central control unit 14; all buttons and indicator lights of the workbench can be marked in the form of a dynamic flow chart, so that the operation of the mobile concrete mixing device is clear at a glance; The real-time automatic operation and control is realized through the computer; the central control unit 14 is preset with functions such as various production processes, various formulas of various materials, self-defined records and statistics of the whole production process, backup, report formation and printing, and It has the functions of automatic fault alarm and emergency shutdown, online emergency backup power supply, remote online fault diagnosis function, and central monitoring function; it can be equipped with a temporary power supply quick conversion device. the

The mobile concrete mixing device of the utility model can realize manual operation, semi-automatic operation or fully automatic continuous operation as required. From the setting of formula selection, operation mode options, and quantitative options; administrator authority setting; display and reminder of the standing storage capacity of materials; options and settings of technological processes such as batching weighing, feeding, and automatic mixing; single cycle of concrete production Or each cycle or repeated cycles of the same cycle and multiple cycles of different cycles; under the condition of sufficient and timely external supply materials, it can be produced all day long. the

(8) Frame part

The frame 1 uses high-strength light steel frame columns/beams to form a container-type main equipment floor space; the layout of equipment and functional components on the main equipment floor is both in line with the process and compact and reasonable; the outer walls of the container are designed as movable panels;

Vehicle frame 1 front end is equipped with full set of devices such as towing plate/connection buckle and relevant brake by standard, can directly realize dragging by the hanger of common tractor with trailer or trailer head. After arriving at the destination, it can be supported by movable legs or fixed brackets to meet the height and safety standards, connect peripheral facilities and solve power/water supply, etc., and quickly form an automatic concrete mixing plant that meets the site requirements.

(9) Weighing related parts

In specific applications, according to the relationship between different gate sizes and openings, the quality of different types of materials, the dispersion of material falling process or logistics density, the air distance of material falling, the accumulation state of fallen materials and other factors and time, through Actual measurement and statistical calculation to determine the gates of different storage bins such as cement standing storage bin 11, standing water storage tank and pumping pipeline 50, standing additive pound tank and pumping pipeline 60, and aggregate storage bin (8) The quality of the air balance of cement, water, additives and aggregates produced at the time of closure.

For example, in the formula for making concrete, the required mass of the cement formula is 0.5 tons, and when a certain type of cement with a certain quality is used in a certain type of cement standing storage warehouse, the amount of air margin generated when the gate is closed Quality is 0.06 tons, then just can close gate when the weighed quality of cement pound jar 3 is 0.44 tons, thereby can make the quality 0.44 tons that cement pound jar 3 weighs and the quality of air margin produced when closing gate 0.06 The sum of tons is 0.5 tons for the required quality of the cement formula. Likewise, water, additives and aggregates can be used in this way. the

The weighing process of materials is as follows:

Check the scale, set the weighing value, and reset;

The gate control module 143 opens the gates provided by the cement standing storage bin 11, the standing water storage tank and the pumping pipeline 50, the standing additive pound cylinder and the pumping pipeline 60, and the aggregate storage bin 8, and the cement, water , additives and aggregates are put into the cement scale cylinder 3, water scale cylinder 13, additive scale cylinder 12 and belt scale device 4, the quality of cement, water, additives and aggregate can be transmitted through the pressure sensor installed in each scale cylinder to the display module 141 of the central control unit 14 for display;

When the display module 141 shows that the weighed quality of cement, water, additives and aggregate is the difference between the required quality of the formula input by the user and the quality of the corresponding air margin, the gate control module 143 controls to close the cement standing storage. Storehouse 11, standing water storage tank and pumping pipeline 50, standing additive pound cylinder and pumping pipeline 60 and the gate that aggregate storage bin 8 are provided with stop feeding.

(10) Parts related to material distribution

The material distribution method provided by the embodiment of the utility model and the relevant technical solutions of the material distributor 10 are as follows:

The embodiment of the utility model realizes the problem of classification, transportation and replenishment of four kinds of aggregates through a rotating chute. The four kinds of aggregates can all enter the chute through the same conveying equipment, and the chute passes through a programmable logic controller (PLC) and an induction locator. , can realize the action sequence of the feeding system and the positioning function of the rotary chute, so that the material type of the aggregate bin, the feeding system and the positioning of the rotary chute realize a one-to-one correspondence and realize the interlocking relationship between them, ensuring that there will be no loading The situation of wrong materials and entering wrong bins occurs.

The embodiment of the utility model also provides a guarantee method for preventing errors in the weighing process of aggregate types: when one aggregate is being weighed, other aggregates must not be mis-weighed or unloaded. For example: when weighing 1# material, only the gate of 1# material bin is allowed to be opened, and the gates of other material bins are locked; when another material needs to be weighed, the gate of this material bin is opened, and the gates of other material bins are locked, so as to ensure weighing material accuracy. the

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models. the

Claims (10)

1. A mobile concrete mixing device with safety protection measures, comprising: a container body (7) installed on a towable frame (1), the container body (7) is equipped with a mixer (2) and a center A control unit (14), the mixer (2) is respectively connected with the cement pound cylinder (3), the water pound cylinder (13) and the aggregate unit for containing, weighing and conveying aggregate, and the aggregate unit includes Belt type electric conveyor (15), belt weighing device (4) and aggregate storage bin (8) installed on the belt type electric conveyor (15); the upper end of the container body (7) is equipped with the The cement standing storage warehouse (11) connected to the cement pound cylinder (3); it is characterized in that, the container body (7) is also installed with emergency power for the central control unit (14) and the mixer (2). Air compressor, temporary power supply fast switching device, external power fast connecting device and main electrical box. 2. The mobile concrete mixing device according to claim 1, characterized in that it further comprises: an additive cylinder (12) connected to the cement cylinder (3), and an additive cylinder (13) connected to the water cylinder (13) Standing water storage tank and pumping pipeline (50), standing additive weighing cylinder and pumping pipeline (60) connected to the additive weighing cylinder (12); the upper and lower ends of the additive weighing cylinder (12) are respectively set There is an inflow port and an outflow port, the inflow port is connected with the conveying pipe provided by the standing additive cylinder and the pumping pipeline (60), and the outflow port is connected with the water receiving port (131) provided by the water scale cylinder (13) connect. 3. The mobile concrete mixing device according to claim 2, characterized in that, the central control unit (14) includes: an air margin module (142), a gate control module (143) and a display module ( 141); The air margin module (142) is respectively connected to the cement standing storage bin (11), the standing water storage tank and the pumping pipeline (50), the standing additive pound tank and the pumping pipeline (60) and the aggregate storage tank. warehouse (8), used to determine the location of the standing cement storage bin (11), the standing water storage tank and pumping pipeline (50), the standing additive pound tank and pumping pipeline (60) and the aggregate storage tank (8) The quality of the air margin produced by each of the set gates when they are closed; The gate control module (143) is used to control and close the cement standing stock when the weighed quality of cement, water, additives and aggregate is the difference between the required quality of the formula input by the user and the corresponding air allowance. Storage bins (11), standing water storage tanks and pumping pipelines (50), standing additive pound tanks and pumping pipelines (60) and gates set by aggregate storage bins (8). 4. The mobile concrete mixing device according to claim 3, further comprising an alarm unit (145) connected to the central control unit (14), for automatically alarming when the mixing device fails , the central control unit (14) issues an emergency shutdown command. 5. The mobile concrete mixing device according to claim 4, characterized in that it further comprises an aggregate weighing error-proofing module (146) connected to the central control unit (14), used as an aggregate When weighing, only the gate of this material bin is opened, and the gates of other material bins are locked to prevent mis-weighing. The belt weighing device (4) weighs all the aggregates in the formula one by one. 6. The mobile concrete mixing device according to claim 5, characterized in that it further comprises a man-machine interface (147) connected to the central control unit (14) for inputting a preset concrete formula into the system And the control parameters of the production process. 7. The mobile concrete mixing device according to claim 6, characterized in that, the man-machine interaction interface (147) is a keyboard or a touch screen arranged on the display module (141). 8. The mobile concrete mixing device according to any one of claims 1 to 7, characterized in that, the aggregate storage bin comprises interconnected lower Storehouse (81) and foldable upper storehouse (82). 9. The mobile concrete mixing device according to any one of claims 1 to 7, characterized in that, the upper end of the belt weighing device (4) is provided with an upper port, and the lower chamber (81) The lower end is provided with an outlet connected to the upper port, and the lower end of the standing cement storage bin (11) is provided with a discharge port connected to the feed port (31) of the cement pound cylinder (3). 10. The mobile concrete mixing device according to any one of claims 1 to 7, characterized in that a distributor (10) is also installed on the upper end of the container body (7).

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