Concrete loading and discharging structure
By adjusting the height of the outer discharge pipe and implementing a multi-stage buffer design, the problems of splashing and overflow during concrete discharge were solved, achieving a stable and clean discharge process and improving concrete loading efficiency and equipment reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINGMEN CHENGKONG FEICHI NEW MATERIAL CO LTD
- Filing Date
- 2025-06-18
- Publication Date
- 2026-04-21
AI Technical Summary
Concrete is prone to splashing and overflowing during the pouring process, causing equipment and environmental pollution, and the pouring speed is difficult to control.
The height of the outer discharge pipe is adjusted by the drive component, and the design of the sealing head and buffer hopper is combined to achieve multi-level buffering of concrete, and it is equipped with an automated cleaning system.
It effectively reduces concrete splashing and spillage, improves the stability and efficiency of material feeding, and ensures the cleanliness and environmental friendliness of the equipment.
Smart Images
Figure CN224145022U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of concrete production technology, specifically to a concrete loading and unloading structure. Background Technology
[0002] A concrete mixer is a machine that mixes cement, sand and gravel aggregates and water to produce concrete mixture. It mainly consists of a mixing drum, feeding and unloading mechanism, water supply system, prime mover, transmission mechanism, frame and support device.
[0003] After concrete production is completed, it needs to be discharged from the mixer outlet into the receiving hopper of the concrete truck for storage and transportation. Since the mixer outlet is fixed, the concrete discharge height is high and the discharge speed is fast during the concrete discharge process, which easily causes concrete splashing and overflow. To address these issues, we propose a concrete loading and unloading structure. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a concrete loading and unloading structure.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a concrete loading and unloading structure, including a mixing platform, a concrete mixer located at the upper end of the mixing platform, a discharge pipe located at the lower end of the concrete mixer, a loading plate located at the lower end of the mixing platform, a hydraulic push rod located on the loading plate, a funnel-shaped receiving hopper located below the discharge pipe located at the push rod of the hydraulic push rod, a discharge inner pipe connected to the lower end of the receiving hopper, a support pipe located inside the discharge inner pipe, a sealing head located at the upper end of the support pipe connected to a frustum-shaped plug concentric with the discharge pipe, and a gap existing between the sealing head and the receiving hopper;
[0006] The inner discharge tube is externally sealed with a discharge outer tube, and the loading plate is provided with a drive assembly to push the discharge outer tube downward.
[0007] The outer discharge pipe is connected to multiple funnel-shaped buffer hoppers.
[0008] Using the above technical solution, the drive component is activated to drive the outer discharge pipe to slide downwards outside the inner discharge pipe, moving the lower opening of the outer discharge pipe into the receiving hopper of the tanker truck. This achieves adjustment, reduces the discharge height, and prevents concrete from splashing due to excessive discharge height. After adjustment, the concrete mixed in the concrete mixer is discharged through the discharge pipe, flowing along the inclined surface of the sealing head into the inclined surface of the receiving hopper. The inclined surfaces of the sealing head and the receiving hopper buffer the discharged concrete, slowing down the discharge speed. After the initial discharge buffering, the concrete flows through the inner discharge pipe into the outer discharge pipe, flowing through the inclined surfaces of multiple buffer hoppers to further buffer the discharged concrete, thereby slowing down the speed at which the concrete is discharged into the receiving hopper of the tanker truck and preventing splashing and overflow caused by excessively fast discharge speed.
[0009] In addition, the hydraulic push rod moves the receiving hopper, support pipe and sealing head upward as a whole, thus sealing and closing the discharge pipe.
[0010] As a preferred technical solution of this utility model, when the push rod of the hydraulic push rod is in the retracted state, the sealing head seals the discharge pipe. The sealing head is set with an upward inclined surface from the outside to the center, and the inner wall of the receiving hopper is set with a downward inclined surface from top to bottom.
[0011] By adopting the above technical solution, it is ensured that the sealing head can seal and close the discharge pipe, while ensuring that the inclined surfaces of the sealing head and the receiving hopper can buffer the discharge of concrete.
[0012] As a preferred embodiment of this utility model, the sealing head is externally wrapped with a sealing gasket.
[0013] By adopting the above technical solution, the sealing gasket ensures the sealing effect of the plugging head on the discharge pipe.
[0014] As a preferred embodiment of this utility model, the inner wall of the outer feeding tube is fitted with a sealing sleeve that is fitted and sealed to the outside of the inner feeding tube.
[0015] By adopting the above technical solution, the sealing sleeve ensures a tight and sliding sealing effect between the outer tube and the inner tube.
[0016] As a preferred embodiment of this utility model, the driving assembly includes a mounting plate disposed inside the loading plate, and a hydraulic push rod II is provided at the upper end of the mounting plate. The push rod of the hydraulic push rod II is connected to the unloading outer tube.
[0017] Using the above technical solution, the hydraulic push rod 2 works to push the outer material feeding tube to move outside the inner material feeding tube.
[0018] As a preferred embodiment of this utility model, the buffer buckets are distributed vertically at equal intervals, and the inner walls of the buffer buckets are inclined downwards from top to bottom.
[0019] By adopting the above technical solution, concrete can be buffered as it falls through the inclined surface of the buffer hopper.
[0020] As a preferred embodiment of this utility model, the lower end of the mixing platform is provided with a water storage tank, the lower end of the water storage tank is connected to a water pump, the drain outlet of the water pump is connected to the support pipe with a flexible hose, and the outside of the support pipe is evenly provided with a plurality of water spray holes.
[0021] Using the above technical solution, the water pump works to extract the water stored in the water tank, discharge it through the hose into the support pipe, and spray it out from the spray hole to clean the docking hopper, the inner discharge pipe, the outer discharge pipe and the buffer hopper, ensuring the cleanliness of the material after discharge.
[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0023] 1. This concrete loading and unloading structure, through the activation of the set drive component, drives the outer unloading pipe to slide downwards outside the sealing of the inner unloading pipe, so that the lower opening of the outer unloading pipe moves into the receiving hopper of the tanker truck, thereby adjusting and reducing the unloading height to avoid concrete splashing caused by excessive unloading height. After adjustment, the concrete mixed in the concrete mixer is discharged through the set discharge pipe, and discharged along the inclined surface of the sealing head into the inclined surface of the receiving hopper. The inclined surface of the sealing head and the receiving hopper buffers the unloading concrete, slowing down the unloading speed. After the initial unloading buffer, it is discharged into the outer unloading pipe through the inner unloading pipe, and flows through the inclined surface of multiple buffer hoppers to further buffer the unloading concrete, thereby slowing down the speed at which the concrete is unloaded into the receiving hopper of the tanker truck and avoiding splashing and overflow caused by excessive concrete unloading speed.
[0024] In addition, the hydraulic push rod moves the receiving hopper, support pipe and sealing head upward as a whole, thus sealing and closing the discharge pipe.
[0025] 2. The concrete loading and unloading structure uses a water pump to extract water stored in the storage tank, which is then discharged into the support pipe through a hose and sprayed out from the spray nozzles. This cleans the docking hopper, the inner unloading pipe, the outer unloading pipe, and the buffer hopper, ensuring the cleanliness of the concrete after unloading. This prevents residual concrete from falling to the ground and polluting the environment after unloading stops, and also prevents it from adhering to the inner wall of the unloading structure and causing blockages. Attached Figure Description
[0026] Figure 1 This is a perspective view of the present utility model;
[0027] Figure 2This is a front view of the present invention;
[0028] Figure 3 This is a cross-sectional perspective view of the mixing table of this utility model;
[0029] Figure 4 This is a transverse sectional perspective view of the discharge pipe, sealing head, hose, receiving hopper, inner discharge pipe, support pipe, outer discharge pipe and buffer hopper of this utility model.
[0030] In the diagram: 1. Mixing platform; 2. Concrete mixer; 3. Discharge pipe; 4. Automatic switch valve; 5. Loading plate; 6. Hydraulic push rod one; 7. Receiving hopper; 8. Inner discharge pipe; 9. Support pipe; 10. Sealing head; 11. Water spray hole; 12. Outer discharge pipe; 13. Buffer hopper; 14. Hydraulic push rod two; 15. Water storage tank; 16. Water pump; 17. Hose. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] Please see Figures 1 to 4 The concrete loading and unloading structure in this embodiment includes a mixing platform 1, with a concrete mixer 2 fixed to its upper end by bolts. The lower end of the concrete mixer 2 is connected to a discharge pipe 3. A loading plate 5 is vertically installed and fixed to the lower end of the mixing platform 1. A hydraulic push rod 6 is installed and fixed to the upper surface of the loading plate 5. A funnel-shaped receiving hopper 7 located below the discharge pipe 3 is fixed at the push rod of the hydraulic push rod 6. The lower end of the receiving hopper 7 is connected to an inner discharge pipe 8. A support pipe 9 is fixed concentrically inside the inner discharge pipe 8. A sealing head 10 concentrically formed into a frustum and concentrically with the discharge pipe 3 is connected to the upper end of the support pipe 9. There is a gap between the sealing head 10 and the receiving hopper 7. An outer discharge pipe 12 is slidably sealed to the outside of the inner discharge pipe 8. A drive assembly for pushing the outer discharge pipe 12 downward is provided on the loading plate 5. Multiple vertically distributed, funnel-shaped buffer hoppers 13 are connected to the inner wall of the outer discharge pipe 12.
[0033] The sealing head 10 is wrapped with a sealing gasket. When the push rod of the hydraulic push rod 6 is in the retracted state, the sealing head 10 can tightly seal the discharge pipe 3, thereby stopping the discharge and preventing concrete leakage. The inner wall of the receiving hopper 7 is set with a downward inclined surface from top to bottom, and the sealing head 10 is set with an upward inclined surface from the outside to the center. The inclined surface of the sealing head 10 cooperates with the inclined surface of the sealing head 10 to provide initial buffering for the discharged concrete.
[0034] Multiple water spray holes 11 are evenly distributed on the outside of the support pipe 9. They are connected to the drain port of the water pump 16 through the hose 17. The suction port of the water pump 16 is connected to the water storage tank 15. The water storage tank 15 is fixed at the lower end of the mixing table 1 and is used to store cleaning water.
[0035] The outer discharge pipe 12 is fitted over the inner discharge pipe 8, and a sealing sleeve is attached to the inner wall to ensure a tight seal with the outer side of the inner discharge pipe 8, thus ensuring smooth concrete discharge and preventing leakage. The drive assembly includes a mounting plate fixed to the inner side of the loading plate 5. A hydraulic push rod 14 is fixedly mounted on the upper surface of the mounting plate. The push rod of the hydraulic push rod 14 is connected and fixed to the outer discharge pipe 12. Through the extension and retraction of the hydraulic push rod 14, the outer discharge pipe 12 is pushed to move up and down outside the inner discharge pipe 8, adjusting the lower opening position of the outer discharge pipe 12 to accommodate tank truck hoppers of different heights.
[0036] Each buffer hopper 13 is funnel-shaped with its inner wall sloping downwards from top to bottom. When the outer discharge pipe 12 moves down into the tank truck receiving hopper, the concrete flows through the inner discharge pipe 8 into the outer discharge pipe 12 and then flows through the slopes of multiple buffer hoppers 13 in sequence, achieving multi-stage buffering of the concrete discharge speed, effectively slowing down the speed at which the concrete is discharged into the tank truck receiving hopper, and preventing splashing and overflow.
[0037] Hydraulic push rod 16 and hydraulic push rod 214 use high-quality hydraulic cylinders. The cylinder body is made of seamless steel pipe, and the piston rod surface is chrome-plated, which has high strength and wear resistance. The seals are made of oil-resistant rubber material to ensure the sealing performance and operational stability of the hydraulic push rod.
[0038] The sealing gasket is made of oil-resistant and wear-resistant rubber material, such as nitrile rubber or EPDM rubber, to ensure the sealing effect between the sealing head 10 and the discharge pipe 3. The sealing sleeve is made of oil-resistant rubber material to ensure the sealing performance between the outer discharge pipe 12 and the inner discharge pipe 8.
[0039] It is equipped with a PLC-based automated control system to achieve centralized control and monitoring of the concrete loading and unloading process.
[0040] Working principle and usage steps: Install the concrete loading and unloading structure at the discharge port of the concrete mixer 2, ensure that the mixing platform 1 is placed stably and connected to the concrete mixer 2, connect the power supply of hydraulic push rod 1 6, hydraulic push rod 2 14 and water pump 16, and check whether their operation is normal. According to the height of the tank truck receiving hopper, adjust the downward movement height of the unloading pipe 12 so that the lower end opening of the unloading pipe 12 is aligned with the tank truck receiving hopper, and complete the installation and commissioning of the equipment.
[0041] Start hydraulic push rod 14 to push the outer discharge pipe 12 to slide downward outside the inner discharge pipe 8, so that the lower end opening of the outer discharge pipe 12 moves into the tank truck receiving hopper, reducing the discharge height. Hydraulic push rod 6 is in a retracted state, and the sealing head 10 seals the discharge pipe 3.
[0042] When concrete needs to be loaded, the concrete mixer 2 is started, and the mixed concrete is discharged through the discharge pipe 3. At this time, the hydraulic push rod 6 extends, driving the receiving hopper 7, support pipe 9 and sealing head 10 to move down as a whole, so that the sealing head 10 is separated from the discharge pipe 3. The concrete is discharged along the inclined surface of the sealing head 10 into the inclined surface of the receiving hopper 7. The inclined surface of the sealing head 10 and the receiving hopper 7 provides initial buffering for the concrete and slows down the discharge speed.
[0043] After initial buffering, the concrete enters the inner discharge pipe 8 and then flows into the outer discharge pipe 12. It then flows through the inclined surfaces of multiple buffer hoppers 13 in sequence, further buffering the concrete discharge speed. Finally, it falls smoothly into the receiving hopper of the tanker truck, avoiding splashing and overflow caused by excessively fast concrete discharge speed.
[0044] After the concrete is loaded onto the truck, the hydraulic push rod 6 is activated to retract, and the sealing head 10 seals and closes the discharge pipe 3. The water pump 16 is then activated to pump water out of the water storage tank 15 and discharge it into the support pipe 9 through the hose 17. The water is then sprayed out from the spray hole 11. The sprayed water cleans the material hopper 7, the inner discharge pipe 8, the outer discharge pipe 12, and the buffer hopper 13, removing residual concrete and ensuring the cleanliness of the discharge structure. This prevents the concrete from hardening after the discharge stops, which could cause blockages and environmental pollution.
[0045] Beneficial effects: By driving the outer discharge pipe 12 to move up and down through the drive component, the discharge height can be flexibly adjusted to adapt to the receiving hoppers of different heights of the tank truck. This effectively solves the problem of splashing and overflow caused by excessive concrete discharge height. The inclined design of the sealing head 10 and the receiving hopper 7, as well as the setting of multiple buffer hoppers 13, realizes multi-level buffering of the concrete discharge speed, improves the stability and controllability of the discharge process, and ensures that the concrete can fall smoothly and accurately into the receiving hopper of the tank truck, thereby improving the efficiency and quality of concrete loading.
[0046] The sealing gasket on the outside of the plug head 10 and the sealing sleeve on the inner wall of the discharge pipe 12 ensure the sealing effect of the plug head 10 on the discharge pipe 3 and the sealing performance between the discharge pipe 12 and the discharge pipe 8, preventing concrete leakage during the discharge process, reducing material waste and environmental pollution. The inclined surfaces of the plug head 10 and the receiving hopper 7 can effectively buffer the concrete, reduce the impact force of concrete discharge, and protect the equipment and the tank truck receiving hopper from damage.
[0047] The installation of the water storage tank 15, water pump 16, and water spray hole 11 enables automated cleaning of the material unloading structure. After the concrete is loaded, residual concrete inside the equipment can be removed in a timely manner, avoiding the difficulty of cleaning after the concrete has hardened. This ensures the cleanliness of the material unloading structure and the smoothness of its next use, while reducing the workload and labor intensity of manual cleaning and improving the maintenance efficiency of the equipment.
[0048] In summary, the concrete loading and unloading structure in this embodiment has high-efficiency unloading performance, good sealing and buffering effect, convenient cleaning function, stable operation reliability, and significant energy-saving, environmental protection and economic benefits. It can effectively solve the problems existing in the current concrete loading process. It is a high-performance and practical concrete production equipment that is worthy of promotion and application in the field of concrete production.
[0049] All electrical components mentioned in the text are electrically connected to the main controller and power supply. The main controller can be a conventional known device such as a computer that performs control functions, and the existing publicly available power connection technologies are not described in detail in the text.
[0050] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A concrete loading and discharging structure, comprising a mixing table, a concrete mixer arranged at an upper end of the mixing table, and a discharging pipe arranged at a lower end of the concrete mixer, characterized in that, The lower end of the stirring table is provided with a loading plate, the loading plate is provided with a hydraulic push rod one, the push rod of the hydraulic push rod one is provided with a material receiving hopper in the form of a funnel below the discharge pipe, the lower end of the material receiving hopper is communicated with a discharging inner pipe, the discharging inner pipe is provided with a supporting pipe, the upper end of the supporting pipe is communicated with a blocking head in the form of a circular truncated cone and with the same center as the discharge pipe, and a gap is formed between the blocking head and the material receiving hopper; The outer part of the discharging inner pipe is slidingly sealed with a discharging outer pipe, and the loading plate is provided with a driving assembly for pushing the discharging outer pipe downward; A plurality of buffer hoppers in the form of funnels are communicated in the discharging outer pipe.
2. The concrete truck loading and dispensing structure according to claim 1, wherein: When the push rod of the hydraulic push rod one is in a retracted state, the blocking head seals the discharge pipe, and the blocking head is provided with an upwardly inclined slope from the outside to the center, and the inner wall of the material receiving hopper is provided with a downwardly inclined slope from top to bottom.
3. The concrete truck loading and dispensing structure according to claim 1, wherein: The outer part of the blocking head is wrapped with a sealing gasket.
4. The concrete truck loading and dispensing structure according to claim 1, wherein: The inner wall of the discharging outer pipe is fitted with a sealing sleeve that is tightly sealed with the outer part of the discharging inner pipe.
5. The concrete truck loading and dispensing structure according to claim 1, wherein: The driving assembly comprises a mounting plate arranged on the inner side of the loading plate, the upper end of the mounting plate is provided with a hydraulic push rod two, and the push rod of the hydraulic push rod two is connected with the discharging outer pipe.
6. The concrete truck loading and dispensing structure according to claim 1, wherein: The buffer hoppers are vertically and equidistantly distributed, and the inner wall of the buffer hoppers is provided with a downwardly inclined slope from top to bottom.
7. The concrete truck loading and dispensing structure according to claim 1, wherein: The lower end of the stirring table is provided with a water storage cylinder, the lower end of the water storage cylinder is communicated with a water pump, the water outlet of the water pump is communicated with the supporting pipe through a hose, and the outer part of the supporting pipe is uniformly provided with a plurality of water injection holes.