Concrete mixing and delivery synchronization apparatus
By designing a concrete mixing and conveying synchronous equipment, the mixing and conveying were synchronized, solving the problems of low construction efficiency and unstable material quality in the existing technology, and improving the continuity and timeliness of the construction site.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINING QIUFENG CONSTRUCTION ENGINEERING CO LTD
- Filing Date
- 2025-06-25
- Publication Date
- 2026-07-21
AI Technical Summary
The existing separation of concrete mixing and transportation methods results in low construction efficiency, making it difficult to meet the requirements of continuity and timeliness on the construction site. Furthermore, multiple transfers can easily lead to concrete segregation and slump loss.
A concrete mixing and conveying synchronous device was designed, including a mixing chamber with a built-in mixer, a vibrating screen unit, and a combined conveying unit, to achieve synchronous mixing and conveying. The vibrating screen unit performs preliminary screening of materials, and the conveying height is adjusted by a lifting cylinder group to adapt to different receiving equipment.
It achieves synchronization of concrete mixing and transportation, improves construction efficiency, ensures material quality, enhances equipment adaptability, and meets the requirements of continuity and timeliness at the construction site.
Smart Images
Figure CN224527586U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of concrete processing technology, and in particular to a synchronous equipment for concrete mixing and conveying. Background Technology
[0002] Concrete mixing is a crucial step in concrete processing, and its quality directly affects the overall performance of a building project. In the construction industry, the use of concrete is characterized by timeliness, continuity, and on-demand supply.
[0003] For example, in the prior art of concrete mixing and storage devices disclosed in patent application number CN202322544875.5, the concrete is usually stored inside a tank or silo after mixing. Later, when it is transported, additional pumping equipment or transfer equipment is needed to transfer the concrete from the storage container and then transport it to the designated construction location.
[0004] This approach in the existing technology has obvious drawbacks: First, it increases equipment investment and operational steps, reduces construction efficiency, and multiple transfers can easily cause problems such as concrete segregation and slump loss, affecting construction performance and quality.
[0005] Secondly, the separation of storage and transportation links makes it impossible to achieve rapid on-demand transportation after mixing, which makes it difficult to meet the requirements of continuous and timely concrete pouring at the construction site. The limitations are particularly prominent in projects where the pouring speed and time are strictly controlled.
[0006] Given the drawbacks of existing concrete mixing and conveying methods, it is necessary to design a synchronous concrete mixing and conveying device. Utility Model Content
[0007] To solve one of the aforementioned technical problems, the present invention provides a concrete mixing and conveying synchronous device, comprising a mixing chamber with a built-in mixer, the mixing chamber being fixed to a ground-connecting frame on all four sides, the bottom of the ground-connecting frame being fixed to the ground, a discharge pipe with a built-in valve being fixedly installed at the bottom opening of the mixing chamber, a first conveying unit being provided below the discharge pipe, a second conveying unit being provided in cooperation with the discharge end of the first conveying unit, the discharge end of the second conveying unit being used in cooperation with an external receiving device, a vibrating screen unit being provided above the first conveying unit, the vibrating screen unit being fixed to the ground-connecting frame on all four sides, and the top opening of the vibrating screen unit being used to receive concrete material falling from the discharge pipe.
[0008] Based on any of the above technical solutions, a further optimization is made as follows: the first conveying unit includes a first belt conveyor, the left end of the first belt conveyor is the discharge end and is inclined upward, the frame of the first belt conveyor is fixed relative to the ground, and the middle part of the conveyor belt of the first belt conveyor is located below the vibrating screen unit and is used to receive the screened concrete material falling from the vibrating screen unit.
[0009] Based on any of the above technical solutions, a further optimization is made as follows: the vibrating screen material unit includes a vibrating screen installed inside the ground frame, a screen receiving bin fixedly installed at the top of the feed inlet of the vibrating screen, and a mesh screen fixedly installed in the screen chamber of the screen receiving bin.
[0010] Based on any of the above technical solutions, a further optimization is made: the mesh screen is arranged parallel to the first belt conveyor.
[0011] Based on any of the above technical solutions, a further optimization is made as follows: The second conveying unit includes a second belt conveyor, the left end of which is the discharge end and is inclined upwards. A positioning frame is fixedly installed on the ground on the lower right side of the frame of the second belt conveyor. Right end fixing lugs are fixed on the front and rear sides of the top of the positioning frame, respectively. A right end load-bearing hinge is provided between the two right end fixing lugs. The front and rear ends of the right end load-bearing hinge are both fitted into the rotating holes of the corresponding right end fixing lugs. Right end ear plates are fixedly installed on the front and rear sides of the right side of the frame of the second belt conveyor. The lower ends of the two right end ear plates are fitted onto the outer wall of the right end load-bearing hinge and can rotate relative to the right end load-bearing hinge. The lower left side of the frame of the second belt conveyor is fitted on the top of the lifting cylinder assembly. The lifting cylinder assembly drives the left end of the second belt conveyor to tilt and swing upwards or downwards by extension and retraction.
[0012] Based on any of the above technical solutions, a further optimization is made as follows: the lifting cylinder assembly includes two left-end grounding lugs spaced apart along the front-rear width direction of the frame of the second belt conveyor. The bottom of the left-end grounding lugs is fixed to the ground. A synchronous lifting cylinder is respectively provided on the top of each left-end grounding lug. The cylinder barrel of the synchronous lifting cylinder is movably hinged to the corresponding left-end grounding lug through a fixed lower lug at its bottom. The top of the piston rod of the synchronous lifting cylinder is movably hinged to the left-end lug plate at its corresponding position. The top of the left-end lug plate is fixed to the bottom of the frame of the second belt conveyor. The two synchronous lifting cylinders maintain synchronous movement in the working state. Both synchronous lifting cylinders are controlled by an external hydraulic system.
[0013] Based on any of the above technical solutions, a further optimization is made as follows: a low-level discharge bin is fixedly installed on the frame at the discharge end of the first belt conveyor, a low-level discharge outlet facing the second belt conveyor is provided at the bottom of the low-level discharge bin, and a low-level feed port for the left end of the first belt conveyor to extend into is provided on the right side wall of the low-level discharge bin.
[0014] Based on any of the above technical solutions, a further optimization is made as follows: a low-level receiving bin is fixedly installed above the right end of the second belt conveyor, the bottom of the low-level receiving bin is fixedly installed relative to the frame of the first belt conveyor, and the low-level receiving bin is used to receive concrete materials falling from the low-level discharge outlet.
[0015] Based on any of the above technical solutions, a further optimization is made as follows: a high-level discharge bin is fixedly installed on the frame at the discharge end of the second belt conveyor, a high-level discharge outlet facing the external receiving equipment is provided at the bottom of the high-level discharge bin, and a high-level feed port for the left end of the second belt conveyor to extend into is provided on the right side wall of the high-level discharge bin.
[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model realizes the simultaneous operation of concrete mixing and conveying. After mixing is completed, the discharge pipe valve is opened to discharge materials while mixing, which reduces the waiting time of the process and significantly improves work efficiency.
[0017] 2. This utility model uses the screening and receiving bins and mesh screen of the vibrating screen material unit to perform preliminary screening of concrete materials, which can effectively intercept larger clumps or debris, ensuring the quality of materials entering the subsequent conveying stage.
[0018] 3. This utility model utilizes the combination of an upward-inclined conveying first belt conveyor and an adjustable-height second conveying unit to achieve long-distance, high-position material conveying. Furthermore, the lifting cylinder group can adjust the height of the second conveying unit, enhancing the equipment's adaptability to external receiving equipment of different sizes. Attached Figure Description
[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or components are generally identified by similar reference numerals. In the drawings, the elements or components are not necessarily drawn to scale.
[0020] Figure 1 This is a schematic diagram of the structure of the concrete mixing and conveying synchronous equipment of this utility model.
[0021] Figure 2 This is a partial three-dimensional structural schematic diagram of the synchronous concrete mixing and conveying equipment of this utility model.
[0022] Figure 3 This is a partial three-dimensional structural diagram of the left end of the first belt conveyor of this utility model.
[0023] Figure 4 This is a partial three-dimensional structural diagram of the left end of the second belt conveyor of this utility model.
[0024] In the diagram, 1. Mixing bin; 2. Ground-connecting frame; 3. Discharge pipe; 4. First belt conveyor; 5. Vibrating screen; 6. Screen receiving bin; 601. Screening chamber; 7. Grid screen; 8. Second belt conveyor; 9. Positioning frame; 10. Right end fixed lug; 11. Right end load-bearing hinge; 12. Right end lug plate; 13. Left end ground-connecting lug; 14. Synchronous lifting cylinder; 15. Fixed lower lug; 16. Left end lug plate; 17. Low-level discharge bin; 18. Low-level discharge outlet; 19. Low-level feed inlet; 20. Low-level receiving bin; 21. High-level discharge bin; 22. High-level discharge outlet; 23. High-level feed inlet. Detailed Implementation
[0025] The embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of the present utility model, and are therefore merely examples and should not be construed as limiting the scope of protection of the present utility model. The specific structure of the present utility model is as follows: Figures 1-4 As shown in the image.
[0026] Example 1: A concrete mixing and conveying synchronous device includes a mixing chamber 1 with a built-in mixer. The mixing chamber 1 is fixed on all four sides to a ground-connecting frame 2. The bottom of the ground-connecting frame 2 is fixed to the ground. A discharge pipe 3 with a built-in valve is fixedly installed at the bottom opening of the mixing chamber 1. A first conveying unit is arranged below the discharge pipe 3. A second conveying unit is arranged in cooperation with the discharge end of the first conveying unit. The discharge end of the second conveying unit is used in cooperation with an external receiving device. A vibrating screen unit is arranged above the first conveying unit. The vibrating screen unit is fixed on all four sides to the ground-connecting frame 2. The top opening of the vibrating screen unit is used to receive concrete material falling from the discharge pipe 3.
[0027] This invention enables the simultaneous mixing and conveying of concrete, improving work efficiency; the vibrating screen unit can perform preliminary screening of concrete materials to ensure material quality; the combined conveying of the first and second conveying units enables long-distance, high-position conveying of materials; the lifting cylinder group adjusts the height of the second conveying unit, enhancing the equipment's adaptability to different receiving devices.
[0028] Based on any of the above technical solutions, the following further optimization is made: the first conveying unit includes a first belt conveyor 4, the left end of the first belt conveyor 4 is the discharge end and is inclined upward, the frame of the first belt conveyor 4 is fixed relative to the ground, and the middle part of the conveyor belt of the first belt conveyor 4 is located below the vibrating screen material unit and is used to receive the screened concrete material falling from the vibrating screen material unit.
[0029] Once the material falls onto the conveyor belt, it is conveyed to the upper left as the conveyor belt rotates.
[0030] The first belt conveyor 4 adopts an upwardly inclined structural design, with the frame fixedly connected to the ground. The middle of the conveyor belt is precisely positioned directly below the vibrating screen unit. After the vibrating screen unit completes the screening of concrete materials, materials that meet the particle size requirements will fall vertically into the middle area of the conveyor belt.
[0031] Because the left end of the belt is tilted upwards and continuously rotating, the material moves upwards and to the left along the belt surface under the combined action of friction and the belt's tilt angle, and is eventually output from the discharge end on the left and falls into the low-level discharge hopper 17. This design allows the material to complete both horizontal displacement and vertical lifting during the conveying process, forming a composite motion trajectory.
[0032] Based on any of the above technical solutions, a further optimization is made as follows: the vibrating screen unit includes a vibrating screen 5 installed inside the ground frame 2, a screening receiving bin 6 fixedly installed at the top of the feed inlet of the vibrating screen 5, and a mesh screen 7 fixedly installed in the screening chamber 601 of the screening receiving bin 6.
[0033] The vibrating screen material unit consists of a three-stage screening structure comprising a vibrating screen 5, a screening receiving bin 6, and a mesh screen 7. When concrete material falls from the discharge pipe 3, it first enters the screening receiving bin 6, which is fixed at the top of the feed inlet of the vibrating screen 5. The mesh screen 7 inside the bin performs initial screening of the material. The mesh screen 7 uses a diamond-shaped channel structure, intercepting aggregates or impurities larger than the aperture, while material meeting the particle size requirements falls through the screen holes into the vibrating screen 5 below. The vibrating screen 5 generates high-frequency vibration through its built-in vibrating motor, causing the material to undergo parabolic motion on the screen surface, further separating fine particles from coarse particles. The screen inclination angle of the vibrating screen 5 is designed to be 15°-25° to ensure screening efficiency. The screened material falls from the discharge port of the vibrating screen 5 and enters the conveyor belt of the first conveying unit.
[0034] Based on any of the above technical solutions, a further optimization is made: the mesh screen 7 is arranged in parallel with the first belt conveyor 4.
[0035] Based on any of the above technical solutions, a further optimization is made as follows: The second conveying unit includes a second belt conveyor 8, the left end of which is the discharge end and is inclined upwards. A positioning frame 9 is fixedly installed on the ground on the lower right side of the frame of the second belt conveyor 8. Right end fixing lugs 10 are fixed on the front and rear sides of the top of the positioning frame 9, respectively. A right end load-bearing hinge 11 is provided between the two right end fixing lugs 10. Both the front and rear ends of the right end load-bearing hinge 11 are engaged. The right end ear plate 12 is fixedly installed on the front and rear sides of the right side of the frame of the second belt conveyor 8, and the lower ends of the two right end ear plates 12 are fitted onto the outer side wall of the right end load-bearing hinge shaft 11 and can rotate relative to the right end load-bearing hinge shaft 11. The top of the lifting cylinder assembly is fitted on the lower left side of the frame of the second belt conveyor 8. The lifting cylinder assembly drives the left end of the second belt conveyor 8 to tilt and swing upward or downward by extension and retraction.
[0036] The second conveying unit is centered around the second belt conveyor 8. Its left discharge end is designed to be inclined upwards, and its right end is rotatably connected to the positioning frame 9 via a load-bearing hinge. During operation, the lifting cylinder group drives the piston rod to extend and retract via a hydraulic system: when the piston rod extends, it pushes the left side of the frame of the second belt conveyor 8 to swing upwards, at which time the right end rotates around the load-bearing hinge, raising the height of the left discharge end; when the piston rod retracts, the left end descends, realizing dynamic adjustment of the discharge end height.
[0037] When the belt conveyor is running, material falls from the lower receiving bin 20 on the right end into the conveyor belt. As the belt moves upward and to the left, it is finally discharged from the higher receiving bin 21 on the left end to the external receiving equipment. Throughout the process, the load-bearing hinge shaft 11 on the right end serves as the fulcrum for rotation, ensuring the structural stability of the belt conveyor when it swings.
[0038] Example 2: Compared with Example 1, this example also includes the following technical features: Based on any of the above technical solutions, a further optimization is made as follows: the lifting cylinder assembly includes two left-end grounding lugs 13 spaced apart along the front-back width direction of the frame of the second belt conveyor 8. The bottom of the left-end grounding lugs 13 is fixed to the ground. A synchronous lifting cylinder 14 is respectively provided on the top of each left-end grounding lug 13. The cylinder of the synchronous lifting cylinder 14 is movably hinged to the corresponding left-end grounding lug 13 through a fixed lower lug 15 at its bottom. The top of the piston rod of the synchronous lifting cylinder 14 is movably hinged to the left-end lug 16 at its corresponding position. The top of the left-end lug 16 is fixed to the bottom of the frame of the second belt conveyor 8. The two synchronous lifting cylinders 14 maintain synchronous movement in the working state. Both synchronous lifting cylinders 14 are controlled by an external hydraulic system.
[0039] The lifting cylinder assembly adopts a dual-cylinder synchronous drive structure, with two synchronous lifting cylinders 14 symmetrically arranged along the front-to-back width direction of the second belt conveyor 8 frame. The specific working process is as follows: When the external hydraulic system supplies oil to the two cylinders synchronously, the cylinder barrel forms a hinge fulcrum with the left-end ground-connecting lug 13 via the bottom fixed lower lug 15. The top of the piston rod pushes the left-end lug 16 upward, causing the left end of the second belt conveyor 8 to swing upward around the right-end load-bearing hinge shaft 11, thus raising the conveying height. When the hydraulic system returns oil, the piston rod retracts, and the left end swings downward under gravity, reducing the conveying height. The two cylinders are controlled synchronously via a hydraulic synchronization circuit (such as a configured flow divider / combiner valve or proportional valve), with displacement deviation controlled within ±2mm to ensure the horizontality of the conveyor frame during swinging.
[0040] Based on any of the above technical solutions, a further optimization is made as follows: a low-level discharge bin 17 is fixedly installed on the frame at the discharge end of the first belt conveyor 4, a low-level discharge outlet 18 facing the second belt conveyor 8 is provided at the bottom of the low-level discharge bin 17, and a low-level feed inlet 19 for the left end of the first belt conveyor 4 to extend into is provided on the right side wall of the low-level discharge bin 17.
[0041] The low-level discharge bin 17 is fixedly installed on the frame at the discharge end of the first belt conveyor 4, and its low-level feed inlet 19 on the right side wall is precisely aligned with the discharge end on the left side of the first belt conveyor 4. When the first belt conveyor 4 conveys material to the upper left to the discharge end, the material enters the discharge bin through the low-level feed inlet 19. The discharge outlet is positioned facing the low-level receiving bin 20 of the second belt conveyor 8. Under the action of gravity, the material falls from the outlet and precisely falls into the low-level receiving bin 20 on the right side of the second belt conveyor 8, completing the material transfer with the second conveying unit.
[0042] Based on any of the above technical solutions, a further optimization is made as follows: a low-level receiving bin 20 is fixedly installed above the right end of the second belt conveyor 8, the bottom of the low-level receiving bin 20 is fixedly installed relative to the frame of the first belt conveyor 4, and the low-level receiving bin 20 is used to receive concrete materials falling from the low-level discharge outlet 18.
[0043] The low-level receiving hopper 20 adopts a rigid fixed structure, and its bottom is fixedly connected to the top of the frame of the first belt conveyor 4 by bolts to ensure that it remains stable during material receiving. When the material in the low-level discharge hopper 17 falls from the low-level discharge outlet 18, the material falls vertically into the hopper under the action of gravity because the top opening of the low-level receiving hopper 20 is directly opposite the discharge outlet. When the belt conveyor is running, the material falls from the bottom opening of the receiving hopper onto the belt and is conveyed to the upper left by the belt.
[0044] Based on any of the above technical solutions, a further optimization is made as follows: a high-level discharge bin 21 is fixedly installed on the frame at the discharge end of the second belt conveyor 8, a high-level discharge outlet 22 facing the external receiving equipment is provided at the bottom of the high-level discharge bin 21, and a high-level feed inlet 23 for the left end of the second belt conveyor 8 to extend into is provided on the right side wall of the high-level discharge bin 21.
[0045] The elevated material discharge hopper 21 is fixedly installed on the frame at the discharge end of the second belt conveyor 8. Its right side wall has an elevated feed inlet 23 that precisely aligns with the left discharge end of the second belt conveyor 8. When the second belt conveyor 8 transports material upwards and to the left to the discharge end, the material enters the hopper through the elevated feed inlet 23. The discharge outlet faces external receiving equipment (such as concrete mixer trucks or pump truck hoppers), and the material falls evenly from the outlet under gravity, completing the material transfer with the external equipment.
[0046] Working principle: The concrete mixing and conveying synchronous equipment of this utility model uses the mixing chamber 1 in conjunction with the existing agitator inside to mix the concrete during operation. During the mixing process, the valve inside the discharge pipe 3 remains closed. After the mixing is completed, the valve of the discharge pipe 3 is opened, and the mixed concrete material is discharged downward through the discharge pipe 3 while mixing. The concrete material falls into the vibrating screen material unit and passes through the vibrating screen 5 to achieve initial material discharge. The falling concrete material falls onto the first conveying unit, and is conveyed to a higher position and to the left by the first conveying unit. At the end of the first conveying unit, it enters the low-position receiving hopper 20 above the right end of the second belt conveyor 8 through the low-position dropping hopper 17, and continues to fall onto the conveyor belt of the second conveyor. During the continuous upward conveying and lifting process, the concrete material is continuously conveyed to the left, and finally falls into the external receiving equipment through the high-position dropping hopper 21.
[0047] During the conveying process, the height of the left conveying end of the second belt conveyor 8 can be adjusted by controlling the extension and retraction of the lifting cylinder group through an external hydraulic system, so as to match the use of external receiving equipment of different sizes.
[0048] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model. For those skilled in the art, any alternative improvements or changes made to the implementation of this utility model fall within the protection scope of this utility model.
[0049] Any aspects of this utility model not described in detail are known to those skilled in the art.
Claims
1. A concrete mixing and conveying synchronous device, comprising a mixing chamber with a built-in mixer, wherein the mixing chamber is fixed to a ground-connecting frame on all four sides, and the bottom of the ground-connecting frame is fixed to the ground, characterized in that: A discharge pipe with a built-in valve is fixedly installed at the bottom opening of the mixing chamber. A first conveying unit is set below the discharge pipe. A second conveying unit is set in cooperation with the discharge end of the first conveying unit. The discharge end of the second conveying unit is used in cooperation with an external material receiving device. A vibrating screen unit is set above the first conveying unit. The vibrating screen unit is fixed on the ground frame around its perimeter. The top opening of the vibrating screen unit is used to receive concrete material falling from the discharge pipe.
2. The concrete mixing and conveying synchronous equipment according to claim 1, characterized in that: The first conveying unit includes a first belt conveyor. The left end of the first belt conveyor is the discharge end and is inclined upward. The frame of the first belt conveyor is fixed relative to the ground. The middle part of the conveyor belt of the first belt conveyor is located below the vibrating screen unit and is used to receive the screened concrete material falling from the vibrating screen unit.
3. The concrete mixing and conveying synchronous equipment according to claim 2, characterized in that: The vibrating screen unit includes a vibrating screen installed inside the ground frame, a screen receiving bin fixedly installed at the top of the feed inlet of the vibrating screen, and a mesh screen fixedly installed in the screen chamber of the screen receiving bin.
4. The concrete mixing and conveying synchronous equipment according to claim 3, characterized in that: The mesh screen is arranged parallel to the first belt conveyor.
5. The concrete mixing and conveying synchronous equipment according to claim 4, characterized in that: The second conveying unit includes a second belt conveyor. The left end of the second belt conveyor is the discharge end and is inclined upwards. A positioning frame is fixedly installed on the ground on the lower right side of the frame of the second belt conveyor. Right end fixing lugs are fixed on the front and rear sides of the top of the positioning frame, respectively. A right end load-bearing hinge is provided between the two right end fixing lugs. The front and rear ends of the right end load-bearing hinge are fitted into the rotating holes of the corresponding right end fixing lugs. Right end ear plates are fixedly installed on the front and rear sides of the right side of the frame of the second belt conveyor. The lower ends of the two right end ear plates are fitted onto the outer side wall of the right end load-bearing hinge and can rotate relative to the right end load-bearing hinge. The lower left side of the frame of the second belt conveyor is fitted on the top of the lifting cylinder assembly. The lifting cylinder assembly drives the left end of the second belt conveyor to tilt and swing upwards or downwards by extension and retraction.
6. The concrete mixing and conveying synchronous equipment according to claim 5, characterized in that: The lifting cylinder assembly includes two left-end grounding lugs spaced apart along the front-rear width direction of the frame of the second belt conveyor. The bottom of the left-end grounding lugs is fixed to the ground. A synchronous lifting cylinder is respectively installed on the top of each left-end grounding lug. The cylinder barrel of the synchronous lifting cylinder is movably hinged to the corresponding left-end grounding lug through a fixed lower lug at its bottom. The top of the piston rod of the synchronous lifting cylinder is movably hinged to the left-end lug plate at its corresponding position. The top of the left-end lug plate is fixed to the bottom of the frame of the second belt conveyor. The two synchronous lifting cylinders maintain synchronous movement in the working state. Both synchronous lifting cylinders are controlled by an external hydraulic system.
7. The concrete mixing and conveying synchronous equipment according to claim 6, characterized in that: A low-level discharge bin is fixedly installed on the frame at the discharge end of the first belt conveyor. A low-level discharge outlet facing the second belt conveyor is provided at the bottom of the low-level discharge bin. A low-level feed inlet for the left end of the first belt conveyor to extend into is provided on the right side wall of the low-level discharge bin.
8. The concrete mixing and conveying synchronous equipment according to claim 7, characterized in that: A low-level receiving bin is fixedly installed above the right end of the second belt conveyor. The bottom of the low-level receiving bin is fixedly installed relative to the frame of the first belt conveyor. The low-level receiving bin is used to receive concrete material falling from the low-level discharge outlet.
9. The concrete mixing and conveying synchronous equipment according to claim 8, characterized in that: A high-level discharge bin is fixedly installed on the frame at the discharge end of the second belt conveyor. A high-level discharge outlet facing the external receiving equipment is provided at the bottom of the high-level discharge bin. A high-level feed inlet for the left end of the second belt conveyor to extend into is provided on the right side wall of the high-level discharge bin.