PV22 Hydraulic Pump: The Compact Powerhouse for Concrete Mixer Trucks
1. The Vital Role of Hydraulic Pumps in Concrete Transportation
Concrete mixer trucks are essential in construction, ensuring concrete remains workable during transport through constant drum rotation. At the core of this operation is the Concrete Mixer Truck Hydraulic Pump, a component that converts engine power into hydraulic energy to drive the mixing mechanism. This Hydraulic Pump is critical for maintaining concrete consistency, preventing segregation, and ensuring the material meets quality standards at job sites.
Hydraulic Pumps for mixer trucks fall into two main categories: Gear Pumps and Piston Pumps. Gear Pumps handle low-pressure auxiliary tasks like operating discharge chutes, while Piston Pumps deliver the high pressure and variable flow needed for the main mixing drum. The PV22, a compact yet powerful Piston Pump, excels in this role, offering a unique blend of efficiency, durability, and precision that makes it ideal for smaller to medium-sized Concrete Mixer Pump systems.
2. Industry Leaders: Sauer, Danfoss, and Ark's Influence on the PV22
The PV22's design and performance are shaped by the advancements driven by leading hydraulic manufacturers: Sauer, Danfoss, and Ark. These brands have set the standard for Piston Pump technology, and their expertise is reflected in the PV22's functionality.
Sauer and Danfoss, now part of Danfoss Power Solutions, are renowned for their hydraulic innovation. Their Piston Pumps are engineered to withstand extreme conditions-high temperatures, heavy vibrations, and contamination-common in construction. The PV22 incorporates their design principles, featuring robust pressure control systems that ensure consistent performance under fluctuating loads.
Ark specializes in Mixing Truck Pump components, focusing on compatibility. Their parts integrate seamlessly with the PV22, enhancing its versatility across different Concrete Mixer Truck Hydraulic setups. This collaboration allows the PV22 to be installed in both new trucks and retrofitted into older fleets, making it a flexible solution for operators.
3. Engineering Excellence: The PV22's Design and Features
3.1 Materials and Structural Design
The PV22 is built for longevity, with key components crafted from high-grade hardened alloy steel. Its cylinder block, pistons, and valve plate resist wear and corrosion, even when exposed to abrasive hydraulic fluids and construction debris. This material selection ensures the pump operates reliably over extended periods, even in harsh conditions.
The pump's axial piston design aligns pistons parallel to the drive shaft, minimizing energy loss during power transmission. This configuration allows it to operate at pressures up to 350 bar, generating sufficient force to rotate mixing drums with capacities up to 8 cubic meters. Its compact cast iron housing balances strength and weight, fitting easily into smaller mixer truck chassis without compromising durability-a critical feature for urban construction where maneuverability is key.
3.2 Performance-Enhancing Technologies
A standout feature of the PV22 is its variable displacement technology, which adjusts fluid flow to match the mixing drum's load. During light loads, it reduces output to save fuel; under heavy loads, it increases flow to maintain consistent rotation. This adaptability improves energy efficiency by up to 15% compared to fixed-displacement pumps, lowering operational costs.
The PV22 also features advanced pressure compensation, stabilizing output pressure despite engine speed fluctuations. This ensures the drum rotates at a steady 8-12 RPM, preventing concrete segregation. Additionally, its low-noise operation-achieved through precision balancing and optimized fluid dynamics-enhances worksite conditions and operator comfort, particularly important in residential areas.
3.3 Integration with Modern Systems
The PV22 is designed to integrate seamlessly with modern mixer truck systems, working alongside Gear Pumps for auxiliary functions. Its standardized mounting dimensions and fluid ports facilitate easy installation in various models, compatible with components from Sauer, Danfoss, and Ark. This versatility makes it ideal for both new vehicle production and fleet upgrades, especially for operators with smaller trucks.
Modern mixer trucks use electronic control systems to monitor pressure, temperature, and flow rates. The PV22 supports these systems, with built-in sensors providing real-time data for predictive maintenance. This allows operators to address issues early, minimizing downtime and keeping projects on schedule-critical for tight construction timelines.
4. The PV22 in Operation: Powering the Mixing Drum
In operation, the PV22 serves as the main power source for the mixing drum, converting mechanical energy from the truck's engine (via a power take-off) into hydraulic energy. This energy is transmitted to a hydraulic motor, which drives the drum's rotation at 8-12 RPM-essential for maintaining concrete consistency during transportation.
The PV22 has a flow rate of up to 22 liters per minute, ensuring the hydraulic motor receives sufficient fluid to handle loads of up to 8 cubic meters of concrete. Its rapid response to load changes-such as when the drum is loaded or unloaded-prevents pressure spikes, protecting the hydraulic system from damage.
Compared to Gear Pumps, which are limited to low-pressure tasks, the PV22's ability to maintain high pressure under varying loads makes it indispensable for driving the main mixing drum. While Gear Pumps are suitable for auxiliary functions, they lack the pressure capacity and efficiency required for primary mixing duties, highlighting the PV22's role as the heart of Mixing Truck Pump systems in smaller trucks.
5. System Synergy: The PV22 in Concrete Mixer Pump Ecosystems
A Concrete Mixer Pump system includes the PV22, hydraulic motor, control valves, reservoir, filters, and coolers. The PV22 draws fluid from the reservoir, pressurizes it, and sends it to the motor, which converts hydraulic energy back to mechanical energy to rotate the drum. This system works in harmony, with the PV22 as its core.
A Mixing Truck Pump system encompasses all hydraulic components, including auxiliary Gear Pumps for secondary functions. In this setup, the PV22 handles high-pressure drum rotation, while Gear Pumps manage low-pressure tasks like adjusting the discharge chute. This division of labor optimizes efficiency, with each pump operating in its ideal pressure range.
The PV22's compatibility with components from Sauer, Danfoss, and Ark ensures the entire system works seamlessly, delivering reliable performance in diverse construction environments. Whether in a basic setup for small residential projects or a more advanced system for urban construction, the PV22 remains the core component, ensuring concrete is mixed and transported to job sites in optimal condition.
6. Advantages of the PV22 Over Other Hydraulic Pumps
6.1 Energy Efficiency and Cost Savings
The PV22's variable displacement design offers significant efficiency advantages over fixed-displacement Gear Pumps and some Piston Pumps. By adjusting flow to match demand, it reduces fuel consumption by up to 15%, lowering operating costs over the pump's lifespan. Its high volumetric efficiency (up to 94%) minimizes energy loss, ensuring more mechanical energy is converted into useful hydraulic power-critical for smaller trucks with lower engine power.
6.2 Durability and Reliability
Constructed from high-strength materials, the PV22 is built to withstand the harsh conditions of construction sites. Its resistance to wear, corrosion, and vibration ensures a service life of 10,000+ operating hours, reducing maintenance frequency and downtime. This reliability is crucial in construction, where equipment failure can cause project delays and increase expenses-especially for smaller operators with limited fleets.
6.3 Precision and Control
The PV22's pressure compensation technology ensures consistent drum rotation, even under varying loads. This precision prevents concrete segregation, ensuring a uniform mixture that meets construction standards. Operators can also adjust drum speed with pinpoint accuracy, adapting to different concrete types (e.g., high-slump vs. stiff mixes) and transportation distances, ensuring the material arrives in optimal condition.
| Model NO. |
PV22 |
Model |
PV22 |
| Performance |
Same as Original |
Pressure |
36MPa |
| Lead Time |
5 Days |
Transport Package |
Standard Export Wooden Case |
| Colour |
as Your Request |
Usage |
Concrete Mixer |
| Weight |
85KG |
Specification |
52*36*36 |
| Trademark |
Bodeke |
Origin |
China |
| Technical data of Mixer hydraulic pressure |
| Model |
unit |
PV23 |
PV22 |
| Max. Output per minute |
cm³ |
89 |
69.8 |
| Pump output per revolution |
cm³ |
18.03 |
18.03 |
| Maximum pressure |
MPa |
35 |
35 |
| Rated pressure |
MPa |
21 |
21 |
| Max. Control pressure |
MPa |
3.5 |
3.5 |
| Refueling pressure |
MPa |
0.8-2.0 |
0.8-2.0 |
| Max. Shell pressure |
MPa |
Constant0.25,Peak0.5 |
Constant0.25,Peak0.5 |
| Max. Rotational speed |
min-1 |
2590 |
2810 |
| Min. Rotational speed |
min-1 |
500 |
500 |
| Rated speed |
min-1 |
1500 |
1500 |
Dynamic viscosity range of working fluid
Starting
Operating
Optimal condition |
mm²S-1 |
1000
12-300
25-35 |
1000
12-300
25-35 |
| Type of working fluid |
|
Mineral lubricant |
Mineral lubricant |
| Working temperature |
ºC |
-40~+50 |
-40~+50 |
| Highest temperature in fuel tank |
ºC |
80 |
80 |
| of working fluid |
μm |
10 |
10 |
| Orientation of axis |
|
Clockwise or counterclockwise |
Clockwise or counterclockwise |
| Max. Shear plate inclination angle |
° |
±18° |
±18° |
| Weight kg |
KG |
78 |
63 |
FAQ
Questions you maybe inquiry
Q1: What is the main function of a mixer truck hydraulic pump?
A1: The mixer truck hydraulic pump's main function is to provide the necessary power and flow rate to mix the materials efficiently within the mixer truck's drum. It generates high-pressure hydraulic fluid flow, which drives the mixing mechanism to combine various materials uniformly.
Q2: How does a hydraulic pump differ from other types of pumps used in mixer trucks?
A2: A hydraulic pump differs from other types of pumps used in mixer trucks in its ability to generate high-pressure fluid flow. It specifically converts mechanical energy into hydraulic energy, providing the necessary force to mix dense materials effectively. Other pumps, such as electric or pneumatic pumps, may not provide the same level of power and pressure required for mixer truck applications.
Q3: What are the key features of a high-quality mixer truck hydraulic pump?
A3: A high-quality mixer truck hydraulic pump should possess several key features. These include durability, efficiency, high-pressure capabilities, and low maintenance requirements. The pump should be able to handle the demands of continuous use, provide consistent performance, and require minimal upkeep to maintain optimal operation.
Q4: How often should the hydraulic pump be maintained or serviced?
A4: The frequency of maintenance or servicing for a mixer truck hydraulic pump depends on its usage and the manufacturer's recommendations. Regular checks and inspections should be performed to ensure the pump is operating correctly and free from leaks or wear. Additionally, filters and other components may require periodic replacement to maintain optimal performance. Following the manufacturer's maintenance schedule is crucial to extend the pump's lifespan and prevent unexpected downtime.
Q5: What materials are typically used in the construction of mixer truck hydraulic pumps?
A5: Mixer truck hydraulic pumps are typically constructed using high-grade materials such as cast iron or steel for the casing and internal components. These materials are chosen for their strength, durability, and resistance to wear and corrosion. Sealing materials, such as O-rings and gaskets, are often made of elastomers or polymers that can withstand the high-pressure environment and prevent leaks.
Q6: How does the hydraulic pump affect the overall performance of the mixer truck?
A6: The hydraulic pump plays a crucial role in the overall performance of the mixer truck. A reliable and efficient pump ensures consistent mixing, which is essential for producing high-quality concrete or other materials. If the pump is not operating correctly, it can lead to mixing inconsistencies, reduced production rates, and even mechanical issues with the mixer truck. Therefore, maintaining a well-functioning hydraulic pump is essential for maximizing the mixer truck's performance and uptime.
Q7.Are you manufacturer? And what's the delivery time?
A7:Yes, we are manufacturer and have our own factory. Generally, its in stock for common models, 25-30 days will be finished and sent to customer in time.
Q8.If we don't find what we want on your website, what should we do?
A8: You can email us the descriptions and pictures of the products you need, We will check whether we can make it.
Q9.How about the inspection and Guarantee of products?
A9:We promise: all products are tested before ship, to confirm it will be working and in good conditions when customers get. Also, we offer 12-month guarantee, if it doesn't work due to quality issue in the period, we will send spares to repair for free.
Bodeke Industrial Components Co., Ltd. is a leading Chinese company specializing in the manufacturing and maintenance of a wide range of industrial equipment components. Our products find application in diverse sectors, including cement tanker trucks, excavators, rescue equipment for cement trucks, mixers, cranes, hydraulic motors, hydraulic pumps, and other industrial machinery.
| Empower your industrial machinery with Bodeke - a leading Chinese manufacturer specializing in the repair and production of a wide range of equipment components.From cement tanker trucks and excavators to mixer trucks,cranes,hydraulic motors,and pumps,our precision-engineered products redefine reliability and performance.Elevate your operations with Bodeke's quality components-your trusted partner in global industrial excellence. |
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8412291000 |
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8708919000 |
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