Concrete aggregate conveyor

By introducing a screening screen and a hydraulic cylinder rotation mechanism into the concrete aggregate conveying device, the problems of impurity separation and angle adjustment were solved, improving concrete quality and production adaptability, and realizing automated control.

CN224577379UActive Publication Date: 2026-07-31QIANJIANG JIADINGGU COMMODITY CONCRETE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QIANJIANG JIADINGGU COMMODITY CONCRETE CO LTD
Filing Date
2025-09-01
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing concrete aggregate conveying devices lack screening functions, resulting in the inability to separate impurities and non-compliant particles. Furthermore, the fixed conveying angle leads to poor adaptability, affecting concrete quality and production flexibility.

Method used

A conveying device with a detachable screening screen is designed. The screening screen is easy to replace. The conveying angle can be flexibly adjusted by combining a hydraulic cylinder and a rotating mechanism. The device is automated by a PLC controller.

Benefits of technology

It achieves effective screening of sand and gravel, improves concrete quality, enhances the adaptability and working efficiency of the equipment, and reduces the intensity of manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of conveying equipment and discloses a concrete aggregate conveying device, including a conveying frame. A conveying shell is installed at the bottom of the conveying frame, and a discharge port is opened on one side of the conveying shell. The same rotating shaft is rotatably installed on the inner walls of both sides of the conveying frame, and a spiral pusher plate adapted to the conveying shell is fixedly installed on the rotating shaft. An arc-shaped screening hole is opened on the bottom inner wall of the conveying shell, and a screening screen plate is installed in the arc-shaped screening hole through a detachable structure. Multiple mounting seats are installed on the outer side of the screening screen plate, and a fixing mechanism is provided between the mounting seats and the conveying shell. A drive motor is installed on one side of the conveying frame, and the output shaft of the drive motor is fixedly connected to the rotating shaft. This utility model has the following advantages and effects: screening is achieved during the aggregate conveying process through the screening screen plate; the screening screen plate is easy to disassemble and replace; the conveying angle can be flexibly adjusted; and it can be automatically controlled, improving work efficiency and adaptability, and ensuring concrete quality.
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Description

Technical Field

[0001] This utility model relates to the field of conveying equipment technology, and in particular to a concrete and gravel conveying device. Background Technology

[0002] In the concrete production process, sand and gravel are important raw materials that need to be transported from storage locations to mixing equipment for blending. Currently, commonly used concrete sand and gravel conveying devices are mostly belt conveyors or screw conveyors.

[0003] However, existing conveying devices have some shortcomings in use. For example, traditional screw conveyors do not have screening functions, and impurities or non-standard particles contained in sand and gravel cannot be separated out during the conveying process, affecting the quality of concrete. In addition, the conveying angle of most conveying devices is fixed and cannot be flexibly adjusted according to actual production needs, resulting in poor adaptability. Therefore, we propose a concrete sand and gravel conveying device to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a concrete aggregate conveying device that achieves screening during the aggregate conveying process through a screening screen plate. The screening screen plate is easy to disassemble and replace, the conveying angle can be flexibly adjusted, and it can also be automatically controlled, thereby improving work efficiency and adaptability and ensuring concrete quality.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a concrete aggregate conveying device, comprising a conveying frame, a conveying shell installed at the bottom of the conveying frame, a discharge port opened on one side of the conveying shell, a common rotating shaft rotatably installed on the inner walls of both sides of the conveying frame, and a spiral push plate adapted to the conveying shell fixedly installed on the rotating shaft; an arc-shaped screening hole is opened on the inner wall at the bottom of the conveying shell, a screening screen plate is installed in the arc-shaped screening hole through a detachable structure, multiple mounting seats are installed on the outer side of the screening screen plate, a fixing mechanism is provided between the mounting seats and the conveying shell, a drive motor is installed on one side of the conveying frame, and the output shaft of the drive motor is fixedly connected to the rotating shaft.

[0006] By adopting the above technical solution, screening of sand and gravel during the conveying process is realized through the screening screen plate. The screening screen plate is easy to disassemble and replace, the conveying angle can be flexibly adjusted, and it can also be automatically controlled, which improves work efficiency and adaptability and ensures concrete quality.

[0007] The present invention is further configured such that: the fixing mechanism includes bolt grooves, mounting holes and fixing bolts; multiple bolt grooves are provided on the outer side of the conveying shell; mounting holes are provided on the mounting base; fixing bolts are installed in the mounting holes; and the fixing bolts are adapted to the corresponding bolt grooves.

[0008] By adopting the above technical solution, a stable connection between the screening screen plate and the conveyor shell can be achieved, while facilitating quick disassembly and replacement of the screening screen plate to meet different screening needs.

[0009] A further feature of this invention is that a base is provided below the conveying shell, and a rotating mechanism for adjusting the angle of the conveying frame is provided between the base and the conveying frame. The rotating mechanism includes a support seat and a rotating shaft. Two support seats are fixedly installed on the top of the base, and a rotating shaft is rotatably installed on the side of the two support seats that are close to each other. The end of the rotating shaft away from the support seat is fixedly installed on the conveying frame.

[0010] By adopting the above technical solution, a stable rotational support is provided for the angle adjustment of the conveyor frame, ensuring a smooth and reliable angle adjustment process.

[0011] A further feature of this invention is that a hydraulic cylinder is hinged to the top of the base, and the output shaft of the hydraulic cylinder is hinged to the conveying shell.

[0012] By adopting the above technical solution, power can be provided for the angle adjustment of the conveyor frame, so as to realize the flexible adjustment of the conveying angle and adapt to different working conditions.

[0013] The present invention is further configured as follows: a U-shaped seat 1 is fixedly installed on the top of the base, and the same pin 1 is rotatably installed on the inner walls of both sides of the U-shaped seat 1. A rotating seat 1 is fixedly installed on the pin 1. The rotating seat 1 is fixedly installed on the bottom of the hydraulic cylinder. A U-shaped seat 2 is fixedly installed on the bottom of the conveying shell, and two pins 2 are rotatably installed on the inner walls of both sides of the U-shaped seat 2. A rotating seat 2 is fixedly installed on the pin 2. The rotating seat 2 is fixedly installed on the output shaft of the hydraulic cylinder.

[0014] By adopting the above technical solution, it is ensured that the hydraulic cylinder can rotate flexibly during the extension and retraction process, making the angle adjustment of the conveying frame smoother.

[0015] A further feature of this invention is that a guide plate is welded to the bottom of the conveying shell, and the guide plate is adapted to the discharge port.

[0016] By adopting the above technical solution, the sand and gravel discharged from the outlet can be effectively guided, preventing sand and gravel from spilling and improving the stability of the conveying process.

[0017] A further feature of this invention is that a controller is bolted to one side of the conveyor frame, and the solenoid valves on the drive motor and hydraulic cylinder are electrically connected to the controller, which can be a PLC controller.

[0018] By adopting the above technical solution, automated control of the drive motor and hydraulic cylinder is achieved, reducing the intensity of manual operation and improving work efficiency.

[0019] The beneficial effects of this utility model are:

[0020] (1) By setting arc-shaped screening holes and screening mesh plates, during the sand and gravel conveying process, the spiral pusher plate pushes the sand and gravel to move, and the impurities and non-standard particles in the sand and gravel will fall through the screening mesh plate, thus realizing the screening function of sand and gravel and improving the quality of concrete.

[0021] (2) The screening screen is connected to the conveyor shell through a fixing mechanism. When the screening screen needs to be replaced, simply unscrew the fixing bolts to remove the screening screen from the arc screening hole. The operation is simple and convenient, which facilitates the disassembly and replacement of the screening screen and improves work efficiency.

[0022] (3) By using the combination of the rotating mechanism and the hydraulic cylinder, the angle of the conveying frame can be adjusted. The extension and retraction of the hydraulic cylinder is controlled by the controller. Under the action of the support seat and the rotating shaft, the conveying frame can rotate around the rotating shaft, thereby changing the conveying angle to adapt to different production needs and enhance the adaptability of the device. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a three-dimensional structural schematic diagram of a concrete aggregate conveying device according to this utility model;

[0025] Figure 2 This is a cross-sectional three-dimensional structural schematic diagram of a concrete aggregate conveying device according to the present invention;

[0026] Figure 3 This is a bottom-view three-dimensional structural diagram of a concrete aggregate conveying device according to this utility model;

[0027] Figure 4 This is a schematic diagram of the structure A of a concrete aggregate conveying device according to this utility model.

[0028] In the diagram, 101 is the conveyor frame; 102 is the conveyor shell; 103 is the discharge port; 104 is the guide plate; 201 is the drive motor; 202 is the rotating shaft; 203 is the spiral push plate; 301 is the base; 302 is the support seat; 303 is the rotating shaft; 4 is the hydraulic cylinder; 401 is the U-shaped seat one; 402 is the pin one; 403 is the rotating seat one; 404 is the U-shaped seat two; 405 is the pin two; 406 is the rotating seat two; 501 is the arc-shaped screening hole; 502 is the screening screen plate; 503 is the mounting seat; 504 is the bolt groove; 505 is the mounting hole; and 506 is the fixing bolt. Detailed Implementation

[0029] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0030] When a component is described as being "set on" another component, it can be directly on the other component or it can be in an intervening component. "Set on" indicates a mode of existence, which can be a connection, installation, fixed connection, active connection, etc. When a component is described as being "connected" to another component, it can be directly connected to the other component or it may be in an intervening component.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0032] See Figures 1-4 This utility model provides a concrete aggregate conveying device, including a conveying frame 101, a conveying shell 102 installed at the bottom of the conveying frame 101, a discharge port 103 on one side of the conveying shell 102, a rotating shaft 202 rotatably installed on the inner walls of both sides of the conveying frame 101, and a spiral push plate 203 adapted to the conveying shell 102 fixedly installed on the rotating shaft 202; an arc-shaped screening hole 501 is opened on the inner wall at the bottom of the conveying shell 102, a screening screen plate 502 is installed in the arc-shaped screening hole 501 through a detachable structure, a plurality of mounting seats 503 are installed on the outer side of the screening screen plate 502, and a fixing mechanism is provided between the mounting seats 503 and the conveying shell 102.

[0033] Specifically, a drive motor 201 is installed on one side of the conveyor frame 101, and the output shaft of the drive motor 201 is fixedly connected to the rotating shaft 202. The fixing mechanism includes bolt grooves 504, mounting holes 505 and fixing bolts 506. Multiple bolt grooves 504 are opened on the outer side of the conveyor shell 102, and mounting holes 505 are opened on the mounting base 503. Fixing bolts 506 are installed in the mounting holes 505, and the fixing bolts 506 are adapted to the corresponding bolt grooves 504.

[0034] Specifically, a base 301 is provided below the conveying shell 102. A rotating mechanism for adjusting the angle of the conveying frame 101 is provided between the base 301 and the conveying frame 101. The rotating mechanism includes a support 302 and a rotating shaft 303. Two support 302s are fixedly installed on the top of the base 301. The rotating shaft 303 is rotatably installed on the side of the two support 302 that is close to each other. The end of the rotating shaft 303 away from the support 302 is fixedly installed on the conveying frame 101.

[0035] Specifically, a hydraulic cylinder 4 is hinged to the top of the base 301, and the output shaft of the hydraulic cylinder 4 is hinged to the conveying shell 102. A U-shaped seat 401 is fixedly installed on the top of the base 301. The same pin 402 is rotatably installed on the inner walls of both sides of the U-shaped seat 401. A rotating seat 403 is fixedly installed on the pin 402. The rotating seat 403 is fixedly installed on the bottom of the hydraulic cylinder 4. A U-shaped seat 404 is fixedly installed on the bottom of the conveying shell 102. Two pins 405 are rotatably installed on the inner walls of both sides of the U-shaped seat 404. A rotating seat 406 is fixedly installed on the pin 405. The rotating seat 406 is fixedly installed on the output shaft of the hydraulic cylinder 4.

[0036] Specifically, a guide plate 104 is installed at the bottom of the conveying shell 102, and the guide plate 104 is adapted to the discharge port 103. A controller is installed on one side of the conveying frame 101, and the solenoid valves on the drive motor 201 and the hydraulic cylinder 4 are electrically connected to the controller.

[0037] Working principle: When in use, sand and gravel are poured into the conveying frame 101. The drive motor 201 is started by the controller. The drive motor 201 drives the rotating shaft 202 to rotate. The rotating shaft 202 drives the spiral push plate 203 to rotate. The spiral push plate 203 pushes the sand and gravel to move inside the conveying shell 102. During the movement, impurities and non-standard particles in the sand and gravel will fall through the arc-shaped screening hole 501 through the screening screen plate 502 to achieve screening. The screened sand and gravel are discharged from the discharge port 103 and fall into the designated position under the guidance of the guide plate 104.

[0038] When it is necessary to replace the screening screen plate 502 or the maintenance chamber of the screening screen plate 502, unscrew the fixing bolt 506 to disengage the fixing bolt 506 from the bolt groove 504, and the screening screen plate 502 can be taken out from the arc screening hole 501. After replacing the new screening screen plate 502, fix the mounting base 503 to the conveying shell 102 with the fixing bolt 506.

[0039] When it is necessary to adjust the conveying angle, the hydraulic cylinder 4 is extended or retracted by the controller. When the hydraulic cylinder 4 extends or retracts, the conveying frame 101 can rotate around the rotating shaft 303, thereby achieving the purpose of adjusting the conveying angle.

[0040] The concrete aggregate conveying device provided by this utility model has been described in detail above. Specific embodiments have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A concrete aggregate conveying device, characterized in that, The system includes a conveying frame (101), a conveying shell (102) is installed at the bottom of the conveying frame (101), a discharge port (103) is opened on one side of the conveying shell (102), and the same rotating shaft (202) is rotatably installed on the inner walls of both sides of the conveying frame (101). A spiral push plate (203) adapted to the conveying shell (102) is fixedly installed on the rotating shaft (202). An arc-shaped screening hole (501) is provided on the bottom inner wall of the conveying shell (102). A screening screen plate (502) is installed in the arc-shaped screening hole (501) through a detachable structure. Multiple mounting seats (503) are installed on the outer side of the screening screen plate (502). A fixing mechanism is provided between the mounting seat (503) and the conveying shell (102).

2. A concrete aggregate conveyor as claimed in claim 1, wherein: A drive motor (201) is installed on one side of the conveying frame (101), and the output shaft of the drive motor (201) is fixedly connected to the rotating shaft (202).

3. A concrete aggregate conveyor as claimed in claim 1, wherein: The fixing mechanism includes bolt grooves (504), mounting holes (505) and fixing bolts (506). Multiple bolt grooves (504) are provided on the outer side of the conveying shell (102). Mounting holes (505) are provided on the mounting base (503). Fixing bolts (506) are installed in the mounting holes (505), and the fixing bolts (506) are adapted to the corresponding bolt grooves (504).

4. A concrete aggregate conveyor as claimed in claim 1, wherein: A base (301) is provided below the conveying shell (102), and a rotating mechanism for adjusting the angle of the conveying frame (101) is provided between the base (301) and the conveying frame (101).

5. A concrete aggregate conveyor as claimed in claim 4, wherein: The rotating mechanism includes a support base (302) and a rotating shaft (303). Two support bases (302) are fixedly installed on the top of the base (301). The rotating shaft (303) is rotatably installed on the side of the two support bases (302) that are close to each other. The end of the rotating shaft (303) away from the support base (302) is fixedly installed on the conveying frame (101).

6. A concrete aggregate conveyor as claimed in claim 4, wherein: A hydraulic cylinder (4) is hinged to the top of the base (301), and the output shaft of the hydraulic cylinder (4) is hinged to the conveying housing (102).

7. A concrete aggregate conveyor as claimed in claim 4, wherein: The top of the base (301) is fixedly installed with a U-shaped seat (401), and the same pin (402) is rotatably installed on the inner walls of both sides of the U-shaped seat (401). A rotating seat (403) is fixedly installed on the pin (402), and the rotating seat (403) is fixedly installed on the bottom of the hydraulic cylinder (4).

8. A concrete aggregate conveyor as defined in claim 1 wherein: The bottom of the conveying shell (102) is fixedly installed with a U-shaped seat (404). Two pins (405) are rotatably installed on the inner walls of both sides of the U-shaped seat (404). A rotating seat (406) is fixedly installed on the pins (405). The rotating seat (406) is fixedly installed on the output shaft of the hydraulic cylinder (4).

9. A concrete aggregate conveyor as defined in claim 1 wherein: The bottom of the conveying shell (102) is equipped with a guide plate (104), and the guide plate (104) is adapted to the discharge port (103).

10. A concrete aggregate conveyor as defined in claim 1 wherein: A controller is installed on one side of the conveying frame (101), and the solenoid valves on the drive motor (201) and the hydraulic cylinder (4) are electrically connected to the controller.