feeding system

Abstract

This application discloses a feeding system for feeding concrete raw materials to a mixing plant. The feeding system includes a discharge platform, a storage device, a feeding device, and a lifting device. At least one storage device is configured for loading and storing materials. The storage device is mounted on the discharge platform and is movable along its extension direction. The storage device has at least one discharge port with a discharge valve for closing or opening the discharge port. At least one feeding device is configured below the discharge port and is movable upwards to abut against the discharge valve to open the discharge port. The lifting device is located below the feeding device and is used to raise or lower the feeding device. In this feeding system, after the storage device transports the material to the work site, it can directly feed the concrete mixing plant in conjunction with the feeding device, achieving a rapid switch from transporting to feeding concrete raw materials and continuous automated feeding.

Description

Technical Field

[0001] This application relates to the field of concrete construction technology, and in particular to a material supply system. Background Technology

[0002] Currently, concrete mixing plants are generally built temporarily for construction projects, located within a certain distance of the construction site (usually no more than 40 kilometers). After construction is completed, the mixing plant needs to be dismantled, and a new mixing plant needs to be built at the next project site. The powder and aggregate silos are large in size and have complex structures, making dismantling and transportation cumbersome. In addition, powder and aggregate need to be transported to their respective silos via transport equipment, making the turnover process quite troublesome.

[0003] It is evident that existing technologies still need improvement and enhancement. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the purpose of this application is to provide a feeding system that aims to solve the problem of rapid switching of raw materials from transportation to feeding in a mixing plant, and to realize automated feeding in the mixing plant.

[0005] To achieve the above objectives, this application adopts the following technical solution:

[0006] This application discloses a feeding system for feeding concrete raw materials in a batching plant, comprising:

[0007] Unloading platform

[0008] A storage device, configured with at least one, for loading and storing materials, the storage device being able to be placed on the unloading platform and being able to move along the extension direction of the unloading platform, the storage device being provided with at least one discharge port, the discharge port being provided with a discharge valve, the discharge valve being used to close or open the discharge port;

[0009] At least one feeding device is provided and disposed below the discharge port. The feeding device is capable of moving upward to abut against the discharge valve to open the discharge port.

[0010] A lifting device is located below the feeding device and is used to drive the feeding device to rise or fall.

[0011] In some embodiments of this application, the feeding system further includes:

[0012] A conveying mechanism is disposed on the upper surface of the unloading platform and distributed along the extension direction of the unloading platform. The conveying mechanism is connected to the storage device in a driving manner.

[0013] In some embodiments of this application, the storage device includes:

[0014] The hopper has an inlet at its upper part and an outlet at its bottom, with the inlet and outlet corresponding to each other.

[0015] A connecting frame is disposed below the hopper and is connected to the conveying mechanism for transmission. The lower part of the hopper extends into the connecting frame.

[0016] In some embodiments of this application, the bottom of the silo is provided with two discharge ports, and the bottom of the silo is inclined toward the discharge ports, with a feeding device correspondingly provided below each discharge port.

[0017] In some embodiments of this application, the unloading valve includes:

[0018] A valve body is connected to the discharge port. A support block is provided on the outer periphery of the valve body. Two support blocks are provided and are symmetrically arranged along the radial direction of the valve body. A first through hole is provided on the support block and extends along the axial direction of the valve body.

[0019] A rotating shaft extends radially along the valve body, with its two ends fixed to the peripheral wall of the valve body.

[0020] The first rotating component and the second rotating component are rotatably connected to the rotating shaft, and the first rotating component and the second rotating component are symmetrically arranged along the axial direction of the rotating shaft, and the outer periphery of the first rotating component and the second rotating component are respectively connected to the inner wall of the valve body;

[0021] Two valve locking blocks are configured and respectively disposed on opposite sides of the valve body. The peripheral wall of the valve body is provided with second through holes corresponding to the valve locking blocks. The first end of one valve locking block passes through the second through hole and abuts against the bottom of the first rotating member, and the first end of the other valve locking block passes through the second through hole and abuts against the bottom of the second rotating member.

[0022] The valve guide block has its upper end inserted into the first through hole and its lower end connected to the second end of the valve locking block. It can drive the valve locking block to move away from the valve body to open the unloading valve.

[0023] In some embodiments of this application, the first end of the valve locking block includes a first vertical part and a first horizontal part that are vertically connected. The first vertical part is connected between the first horizontal part and the second end of the valve locking block. The free end of the first horizontal part passes through the valve body and abuts against the bottom of the first rotating member or the second rotating member. The second end of the valve locking block is provided with a first inclined surface on the side facing the valve guide block.

[0024] The valve guide block includes a second vertical part and a second horizontal part. There are two second vertical parts, which are spaced apart. The second horizontal part is vertically connected between the two second vertical parts. The first end of the valve locking block passes through the two second vertical parts and is located below the second horizontal part. The lower part of the second vertical part is provided with a second inclined surface corresponding to the first inclined surface. The second inclined surface is connected to the first inclined surface and is inclined upward.

[0025] In some embodiments of this application, the feeding system further includes:

[0026] A sensor is installed at the feed end of the feeding device to sense whether material is entering the feeding device.

[0027] In some embodiments of this application, the feeding end of the feeding device is provided with a lifting block, which is disposed opposite to the valve guide block and can contact the valve guide block to drive the valve guide block to move upward so as to open the unloading valve.

[0028] In some embodiments of this application, the feeding system further includes:

[0029] A control device is electrically connected to the feeding device, the lifting device, and the sensor, respectively.

[0030] In some embodiments of this application, the unloading platform is provided with an unloading waiting station, an unloading station and an unloading completion station in sequence along its extension direction, and at least one of the storage devices can be placed on the unloading waiting station, the unloading station and the unloading completion station.

[0031] Beneficial effects:

[0032] This disclosure provides a material supply system that loads and stores materials through storage devices. After the materials arrive at the site, the storage devices can be directly connected to the unloading platform, and in conjunction with the feeding device, directly feed the concrete mixing equipment without prior material transfer. This allows for a rapid switch from transporting to feeding concrete raw materials. The storage devices can move along the unloading platform, enabling multiple storage devices to quickly switch to positions corresponding to the feeding device for supplying materials. A lifting device raises the feeding device until it abuts against the unloading valve, opening the outlet of the storage device and thus achieving continuous automated feeding. The components of the material supply system are simple to assemble and disassemble, highly flexible, and can be quickly disassembled and transported. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the structure of a feeding system provided in one embodiment of this application.

[0034] Figure 2 Schematic diagram of the structure of the storage device provided in one embodiment of this application Figure 1 .

[0035] Figure 3 Schematic diagram of the structure of the discharge device provided in one embodiment of this application Figure 2 .

[0036] Figure 4 This is a schematic diagram of the structure of the unloading valve provided in one embodiment of this application.

[0037] Figure 5 This is an exploded view of the structure of the unloading valve provided in one embodiment of this application.

[0038] Figure 6 This is a schematic diagram of the structure of the unloading valve being opened according to one embodiment of this application.

[0039] Figure 7 for Figure 6 A schematic diagram of the structure along the AA direction.

[0040] Figure 8 This is a schematic diagram showing the connection of the feeding device, storage device, and lifting device provided in one embodiment of this application.

[0041] Key component symbols: 1. Unloading platform; 11. Unloading waiting station; 12. Unloading station; 13. Unloading completion station; 2. Storage device; 21. Hopper; 211. Discharge port; 212. Inlet; 22. Connecting frame; 23. Unloading valve; 231. Valve body; 2311. Support block; 2312. First through hole; 2313. Second through hole; 232. Rotating shaft; 233. First rotating component; 234. Second rotating component; 235. Valve locking block; 2351. First vertical part; 2352. First horizontal part; 2353. First inclined surface; 236. Valve guide block; 2361. Second vertical part; 2362. Second horizontal part; 2363. Second inclined surface; 3. Feeding device; 31. Lifting block; 4. Lifting device. Detailed Implementation

[0042] This application provides a feeding system. To make the purpose, technical solution, and effects of this application clearer and more explicit, the following detailed description is provided with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining this application and are not intended to limit this application.

[0043] In the description of this application, it should be understood that the terms "upper," "lower," "left," and "right," etc., indicating orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or a specific orientational structure and operation. Therefore, they should not be construed as limitations on this application. Furthermore, "first" and "second" are only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "multiple" means two or more.

[0044] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0045] Please see Figures 1 to 3 This application provides a feeding system for feeding concrete raw materials in a batching plant. The feeding system can realize the rapid switching between transportation and feeding of concrete raw materials in the batching plant and continuous automated feeding. The feeding system includes a discharge platform 1, a storage device 2, a feeding device 3 and a lifting device 4.

[0046] The storage device 2 is equipped with at least one for loading and storing materials. The storage device 2 can be placed on the unloading platform 1 and can move along the extension direction of the unloading platform 1. The storage device 2 is provided with at least one discharge port 211, and a discharge valve 23 is provided on the discharge port 211 for closing or opening the discharge port 211. Optionally, the storage device 2 is a storage and transportation container, capable of loading large quantities of materials and transporting them to the work site via a transport device. It can directly load materials without unloading and stacking them in a specific location before loading them into other containers, greatly reducing the workload of handling and loading concrete raw materials and enabling rapid switching between raw material transportation and supply. The discharge device can be loaded with a single type of material or a mixture of aggregates and powders, depending on the operational needs; this is not limited here. One storage device 2, or two or more, can be placed on the unloading platform 1. When multiple storage devices 2 are set on the unloading platform 1, after the storage device 2 on the unloading station 12 finishes unloading, a new storage device 2 can be quickly added to the unloading station 12 to realize continuous feeding between the storage device 2 and the feeding device 3 and improve the feeding efficiency of the feeding system.

[0047] At least one feeding device 3 is provided, which is located below the discharge port 211. The feeding device 3 can move upward to abut against the unloading valve 23 to open the discharge port 211. The feeding device 3 is located below the unloading station 12 of the unloading platform 1 and corresponds to the discharge port 211 of the storage device 2. The feeding device 3 opens the unloading valve 23 of the storage device 2 to achieve automatic feeding. Optionally, the feeding device 3 is a feeding auger, which can realize low-to-high or high-to-low feeding, reducing the limitation on the placement height of the storage device 2.

[0048] The lifting device 4 is located below the feeding device 3 and is used to drive the feeding device 3 to rise or fall. Optionally, the feeding end of the feeding device 3 is fixed to the lifting device 4 by a screw. The lifting device 4 is a lifting platform with a simple structure, which can drive the feeding device 3 to move up and down smoothly.

[0049] The unloading platform 1 has a frame structure. The feeding end of the feeding device 3 and the lifting device 4 are located inside the unloading platform 1, so that the material can fall directly from the storage device 2 into the feeding device 3 by its own weight. This simplifies the structure of the feeding system and makes the structure of the feeding system more compact.

[0050] This feeding system is used for the transportation and supply of concrete raw materials (including aggregates, powders, binders, etc.). After the concrete raw materials are transported to the mixing plant at the work site via the storage device 2, they are first stockpiled according to the work schedule or directly supplied according to the project needs. The storage device 2 is placed on the unloading platform 1 and moves along the surface of the unloading platform 1 to the position corresponding to the feeding device 3. The lifting device 4 drives the feeding device 3 to lift upwards, and the feeding device 3 abuts against the unloading valve 23 of the storage device 2, causing the storage valve to open. The material in the storage device 2 falls into the feeding device 3 by its own weight and is then transported to the mixing platform of the mixing plant to complete the preparation of concrete.

[0051] Furthermore, the feeding system also includes a conveying mechanism (not shown in the figure), which is disposed on the upper surface of the unloading platform 1 and distributed along the extension direction of the unloading platform 1. The conveying mechanism is connected to the storage device 2 in a driving manner. Optionally, the conveying mechanism is one of a chain conveying mechanism, a roller conveying mechanism, etc. The bottom of the storage device 2 is connected to the conveying mechanism. The conveying mechanism transports the storage device 2 to the unloading station 12 of the unloading platform 1. After unloading, the storage device 2 is then conveyed downstream of the unloading station 12, and a new storage device 2 is transported to the unloading station 12 to achieve continuous feeding.

[0052] like Figures 1 to 3 As shown, the storage device 2 further includes a hopper 21 and a connecting frame 22. The hopper 21 has an inlet 212 at its upper part and an outlet 211 at its bottom, with the inlet 212 and outlet 211 corresponding to each other. The connecting frame 22 is located below the hopper 21 and is connected to the conveying mechanism; the lower part of the hopper 21 extends into the connecting frame 22. The inlet 212 is directly opposite the outlet 211 and, in addition to being used for feeding materials, can also serve as an observation hole for the storage device 2 to check the material condition inside. A cover is connected to the inlet 212 for sealing it. Optionally, the cover can be transparent or semi-transparent, allowing direct observation of the contents of the hopper. The connecting frame 22 adopts a frame structure with a hollow interior. The bottom of the hopper 21 extends into the connecting frame 22, shortening the distance between the discharge port 211 and the feed end of the feeding device 3. This shortens the lifting stroke of the lifting device 4 and improves the compactness and stability of the storage device 2. The bottom of the connecting frame 22 is a rectangular frame, which facilitates the placement and stacking of the storage device 2 during transportation or loading. In addition, it also facilitates the connection between the storage device 2 and the conveying mechanism.

[0053] like Figure 1 and Figure 2As shown, the bottom of the hopper 21 is provided with two discharge ports 211, and the bottom of the hopper 21 is inclined towards the discharge ports 211. A feeding device 3 is provided below each discharge port 211. The two discharge ports 211 can discharge material simultaneously to speed up the feeding efficiency of the storage device 2; or the two discharge ports 211 can be opened alternately, so that if one discharge port 211 fails, it will not affect the feeding. The bottom of the hopper 21 is set to be inclined towards the discharge ports 211, so that when the remaining material in the hopper 21 is small, the material can quickly flow towards the discharge ports 211, reducing the amount of material remaining in the hopper 21.

[0054] like Figures 4 to 7As shown, the discharge valve 23 includes a valve body 231, a rotating shaft 232, a first rotating component 233, a second rotating component 234, a valve locking block 235, and a valve guide block 236. The valve body 231 is connected to the discharge port 211. A support block 2311 is provided on the outer periphery of the valve body 231. Two support blocks 2311 are arranged symmetrically along the radial direction of the valve body 231. A first through hole 2312 extending along the axial direction of the valve body 231 is provided on the support block 2311. The rotating shaft 232 passes through... Located inside the valve body 231, extending radially along the valve body 231, the peripheral wall of the valve body 231 is provided with two radially symmetrical third through holes. The two ends of the rotating shaft 232 are respectively inserted into one of the third through holes, and one end of the rotating shaft 232 is provided with a limiting flange. The outer diameter of the limiting flange is larger than the diameter of the third through hole. The other end of the rotating shaft 232 is fitted with a limiting nut. The limiting nut is located on the outside of the valve body 231. By locking the limiting nut, the rotating shaft 232 is fixed to the peripheral wall of the valve body 231. The first rotating component 233 and the second rotating component 234 are rotatably connected to the rotating shaft 232, respectively. The first rotating component 233 and the second rotating component 234 are symmetrically arranged along the axial direction of the rotating shaft 232, and the outer peripheries of the first rotating component 233 and the second rotating component 234 are respectively connected to the inner wall of the valve body 231. Two valve locking blocks 235 are provided, and the two valve locking blocks 235 are respectively arranged on opposite sides of the valve body 231. The peripheral wall of the valve body 231 is provided with second through holes 231 corresponding to the valve locking blocks 235. 3. One valve locking block 235 has its first end passing through the second through hole 2313 and abutting against the bottom of the first rotating member 233. The other valve locking block 235 has its first end passing through the second through hole 2313 and abutting against the bottom of the second rotating member 234. The upper end of the valve guide block 236 passes through the first through hole 2312, and the lower end of the valve guide block 236 is connected to the second end of the valve locking block 235. This allows the valve locking block 235 to move away from the valve body 231 to open the unloading valve 23. The first rotating component 233, the second rotating component 234, and the rotating shaft 232 form a hinge structure. When the discharge valve 23 is closed, the first ends of the two valve locking blocks 235 extend into the valve body 231 and support the first rotating component 233 and the second rotating component 234 respectively. At this time, the first rotating component 233 and the second rotating component 234 are on the same plane. When the valve guide block 236 is lifted by the feeding device 3, the valve guide block 236 moves upward along the first through hole 2312, causing the first end of the valve locking block 235 to move away from the first rotating component 233 or the second rotating component 234, until the first rotating component 233 and the second rotating component 234 are no longer supported by the valve locking block 235. The first rotating component 233 and the second rotating component 234 are subjected to the pressure of the material in the hopper 21 and their own gravity, and rotate upward around the rotating shaft 232, thereby opening the discharge valve 23 and allowing the material to fall into the feeding device 3 to achieve automatic feeding.

[0055] It is worth understanding that the valve guide block 236 can move upward a distance that is not less than the length of the valve locking block 235 extending into the valve body 231.

[0056] To ensure the sealing performance and opening stability of the unloading valve 23, the second through hole 2313 is adapted to the first end of the valve locking block 235.

[0057] like Figure 5 As shown, specifically, the first end of the valve locking block 235 includes a first vertical portion 2351 and a first horizontal portion 2352 that are vertically connected. The first vertical portion 2351 is connected between the first horizontal portion 2352 and the second end of the valve locking block 235. The free end of the first horizontal portion 2352 passes through the valve body 231 and abuts against the bottom of the first rotating member 233 or the second rotating member 234. The second end of the valve locking block 235 has a first inclined surface 2353 on the side facing the valve guide block 236. The valve guide block 236 includes a second vertical portion 236. 1. A second horizontal part 2362 and a second vertical part 2361 are provided. The two second vertical parts 2361 are arranged at intervals. The second horizontal part 2362 is vertically connected between the two second vertical parts 2361. The first end of the valve locking block 235 passes through the two second vertical parts 2361 and is located below the second horizontal part 2362. The lower part of the second vertical part 2361 is provided with a second inclined surface 2363 corresponding to the first inclined surface 2353. The second inclined surface 2363 is connected to the first inclined surface 2353 and is inclined upward. When the valve guide block 236 moves upward under force, the second inclined surface 2363 slides upward relative to the first inclined surface 2353. Since the second vertical part 2361 and the second inclined surface 2363 are inclined upward, as the height of the second inclined surface 2363 increases, the valve locking block 235 gradually moves away from the valve body 231. When the first end of the valve locking block 235 moves out of the valve body 231, the first rotating part 233 and the second rotating part 234 are no longer supported by the valve locking block 235. Under the action of their own weight and the pressure of the material in the hopper 21, the first rotating part 233 and the second rotating part 234 rotate downward around the rotating shaft 232, thereby opening the discharge valve 23 and allowing the material in the hopper 21 to fall out of the hopper 21.

[0058] Optionally, the feeding system also includes a sensor (not shown in the figure), which may be, but is not limited to, a proximity sensor. The sensor is located at the feed end of the feeding device 3 and is used to sense whether material is entering the feeding device 3. The sensor is electrically connected to the feeding device 3. When the sensor detects material entering the feeding device 3, it starts the feeding device 3, transferring the material to the mixing device of the mixing station; when the sensor no longer detects material entering, it controls the feeding device 3 to shut down. By controlling the operating status of the feeding device 3 through the sensor, the automation level of the feeding system is further improved, achieving precise control of the start and stop of the feeding device 3.

[0059] like Figure 8 As shown, the feeding end of the feeding device 3 is equipped with a lifting block 31, which is positioned opposite to the valve guide block 236 and can contact the valve guide block 236, causing the valve guide block 236 to move upward to open the discharge valve 23. The feeding end of the feeding device 3 is shaped like an inverted frustum, and the inner diameter of its loading port is larger than the inner diameter of the discharge valve 23. The lifting block 31 is located inside the loading port of the feeding device 3, and the upper end of the lifting block 31 is lower than the surface of the loading port. Thus, when the lifting block 31 contacts the valve guide block 236, the discharge valve 23 is placed inside the loading port of the feeding device 3, which can prevent material from splashing out between the discharge valve 23 and the feeding device 3 when the hopper 21 discharges material. Furthermore, the lifting blocks 31 are circumferentially distributed on the inner wall of the feeding port of the feeding device 3, that is, the lifting blocks 31 are a ring structure, so that the contact between the lifting blocks 31 and the valve guide block 236 is not limited by the orientation of the feeding device 3. Furthermore, the outer diameter of the unloading valve 23 is equal to the inner diameter of the lifting blocks 31, which can further improve the sealing between the unloading valve 23 and the feeding end of the feeding device 3.

[0060] In some embodiments of this application, the feeding system further includes a control device (not shown in the figure). The control device may specifically be a PLC controller. The control device is electrically connected to the feeding device 3, the lifting device 4 and the sensor respectively, and uniformly controls the working status of the feeding device 3, the lifting device 4 and the sensor, thereby improving the accuracy of the feeding system control and making the connection between each feeding process closer, thus improving the feeding efficiency.

[0061] In some embodiments of this application, the unloading platform 1 is sequentially provided with an unloading waiting station 11, an unloading station 12, and an unloading completion station 13 along its extension direction. At least one storage device 2 can be placed on each of the unloading waiting station 11, unloading station 12, and unloading completion station 13. The unloading waiting station is used to place the storage device 2 to be replenished to the unloading station 12. The feeding device 3 is located directly below the unloading station 12. After the storage device 2 arrives at the unloading station 12, it contacts the feeding device 3 and feeds the feeding device 3. After the storage device 2 has finished unloading, it moves to the unloading completion station 13 under the action of the conveying mechanism. The storage device 2 at the unloading completion station 13 is removed by a handling tool, such as a crane or forklift. At the same time, after the storage device 2 in the unloading waiting station 11 moves to the unloading station 12, a new storage device 2 is replenished by a handling tool, thereby enabling rapid and continuous feeding of multiple storage devices 2 and improving the feeding efficiency.

[0062] The operating process of the material supply system disclosed in this application includes:

[0063] Step 1: The storage device 2 containing concrete raw materials is transported to the work site by a transport vehicle;

[0064] Step 2: Use forklifts or other equipment to place the storage device 2 onto the unloading waiting station 11 on the unloading platform 1;

[0065] Step 3: The conveying mechanism moves the storage device 2 to the unloading station 12, and repeats the operation of step 2;

[0066] Step 4: The lifting mechanism lifts the material, causing the feeding device 3 to lift as well, and the feeding device 3 comes into contact with the unloading valve 23 of the storage device 2.

[0067] Step 5: The lifting block 31 of the feeding device 3 drives the valve guide block 236 to move upward, and the valve locking block 235 moves radially away from the valve body 231. After the valve locking block 235 moves to a certain position, the first end of the valve locking block 235 disengages from the first rotating member 233 or the second rotating member 234. Under the action of gravity and the pressure of the material inside the hopper 21, the first rotating member 233 and the second rotating member 234 rotate downward around the rotating shaft 232, and the unloading valve 23 opens; the material flows from the discharge port 211 of the hopper 21 into the feed end of the feeding device 3.

[0068] Step 6: After the sensor detects the material falling, the feeding device 3 starts and lifts the material to the mixing platform;

[0069] Step 7: When the sensor does not detect any material falling in, the feeding device 3 stops and the lifting device 4 descends to its original position.

[0070] Step 8: The conveying mechanism moves the unloaded storage device 2 to the unloading completion station 13;

[0071] Step 9: Repeat steps 3 through 8 above;

[0072] Step 10: After manually resetting the unloading valve 23, the empty storage device 2 is put back into operation for loading, transportation and unloading.

[0073] In summary, this application, by setting a discharge valve 23 on the storage device 2 that can automatically discharge material with the feeding device 3, and by using the discharge platform 1 and the conveying mechanism to support and move the storage device 2, can achieve rapid switching between concrete raw material transportation and feeding, as well as continuous automated feeding; the various devices of the feeding system are easy to assemble and disassemble, highly flexible, and suitable for use in engineering mixing plants and other occasions that need to move with the work site.

[0074] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and concept of this application, and all such substitutions or changes should fall within the protection scope of the appended claims.

Claims

1. A feeding system, characterized in that, The feeding system is used for feeding concrete raw materials to a batching plant and includes: Unloading platform A storage device, configured with at least one, for loading and storing materials, the storage device being able to be placed on the unloading platform and movable along the extension direction of the unloading platform, the storage device being provided with at least one discharge port, the discharge port being provided with a discharge valve, the discharge valve being used to close or open the discharge port; the discharge valve includes: A valve body is connected to the discharge port. A support block is provided on the outer periphery of the valve body. Two support blocks are provided and are symmetrically arranged along the radial direction of the valve body. A first through hole is provided on the support block and extends along the axial direction of the valve body. A rotating shaft extends radially along the valve body, with its two ends fixed to the peripheral wall of the valve body. The first rotating component and the second rotating component are rotatably connected to the rotating shaft, and the first rotating component and the second rotating component are symmetrically arranged along the axial direction of the rotating shaft, and the outer periphery of the first rotating component and the second rotating component are respectively connected to the inner wall of the valve body; Two valve locking blocks are configured and respectively disposed on opposite sides of the valve body. The peripheral wall of the valve body is provided with second through holes corresponding to the valve locking blocks. The first end of one valve locking block passes through the second through hole and abuts against the bottom of the first rotating member, and the first end of the other valve locking block passes through the second through hole and abuts against the bottom of the second rotating member. A valve guide block, the upper end of which is inserted into the first through hole, and the lower end of which is connected to the second end of the valve locking block, can drive the valve locking block to move away from the valve body to open the unloading valve; The feeding system also includes: At least one feeding device is provided and disposed below the discharge port. The feeding device is capable of moving upward to abut against the valve guide block of the discharge valve to open the discharge port. A lifting device is located below the feeding device and is used to drive the feeding device to rise or fall.

2. The feeding system according to claim 1, characterized in that, The feeding system also includes: A conveying mechanism is disposed on the upper surface of the unloading platform and distributed along the extension direction of the unloading platform. The conveying mechanism is connected to the storage device in a driving manner.

3. The feeding system according to claim 2, characterized in that, The storage device includes: The hopper has an inlet at its upper part and an outlet at its bottom, with the inlet and outlet corresponding to each other. A connecting frame is disposed below the hopper and is connected to the conveying mechanism for transmission. The lower part of the hopper extends into the connecting frame.

4. The feeding system according to claim 3, characterized in that, The bottom of the hopper is provided with two discharge ports, and the bottom of the hopper is inclined towards the discharge ports. A feeding device is provided below each discharge port.

5. The feeding system according to claim 1, characterized in that, The first end of the valve locking block includes a first vertical part and a first horizontal part that are vertically connected. The first vertical part is connected between the first horizontal part and the second end of the valve locking block. The free end of the first horizontal part passes through the valve body and abuts against the bottom of the first rotating member or the second rotating member. The second end of the valve locking block is provided with a first inclined surface on the side facing the valve guide block. The valve guide block includes a second vertical part and a second horizontal part. There are two second vertical parts, which are spaced apart. The second horizontal part is vertically connected between the two second vertical parts. The first end of the valve locking block passes through the two second vertical parts and is located below the second horizontal part. The lower part of the second vertical part is provided with a second inclined surface corresponding to the first inclined surface. The second inclined surface is connected to the first inclined surface and is inclined upward.

6. The feeding system according to claim 1, characterized in that, The feeding system also includes: A sensor is installed at the feed end of the feeding device to sense whether material is entering the feeding device.

7. The feeding system according to any one of claims 4 to 6, characterized in that, The feeding end of the feeding device is provided with a lifting block, which is arranged opposite to the valve guide block and can contact the valve guide block to drive the valve guide block to move upward so as to open the unloading valve.

8. The feeding system according to claim 6, characterized in that, The feeding system also includes: A control device is electrically connected to the feeding device, the lifting device, and the sensor, respectively.

9. The feeding system according to claim 1, characterized in that, The unloading platform is provided with an unloading waiting station, an unloading station and an unloading completion station in sequence along its extension direction. At least one of the storage devices can be placed at the unloading waiting station, the unloading station and the unloading completion station.

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