Horizontal Type Hydraulic Motor With Hollow Shaft
3 week ago
Product details
1. Product Overview
This horizontal hollow shaft hydraulic dedicated motor is specially designed for direct coupling installation with hydraulic pumps (gear pumps, vane pumps, piston pumps etc.), being the core driving component of MVUP integrated motor-pump units. Different from conventional solid-shaft motors, it adopts hollow inner bore shaft structure, enabling pump shaft to be directly inserted for transmission without extra couplings, which greatly simplifies the hydraulic power unit structure and reduces installation space. It is widely applied in industrial hydraulic stations, machine tool hydraulic systems, logistics handling equipment and light engineering machinery.
2. Key Structural Features
1. Hollow Shaft Design
Inner splined / smooth hollow bore at the output end, directly matched with pump input shaft; zero intermediate connecting parts, lower transmission loss, higher coaxiality and less vibration during operation.
2. Horizontal Foot-mounted Structure
Equipped with integrated mounting base for horizontal installation on frame/oil tank top, stable stress, suitable for long-time continuous operation.
3. Enhanced Heat Dissipation Housing
Ribbed cast iron shell enlarges heat dissipation area, effectively controls temperature rise under long-load working conditions.
4. Integrated Flange End Face
Precision machined front mounting flange with standard bolt hole distribution, can be directly fastened with pump housing, good sealing and anti-loosening performance.
5. Independent Terminal Box
Isolated wiring terminal box complies with industrial electrical safety standards, convenient for wiring and maintenance.
3. Main Technical Parameters (General Industrial Specifications)
Parameter Specification Remarks
Installation Form Horizontal foot mounting Base fixed installation
Shaft Type Hollow inner bore (splined / keyway optional) Direct drive for hydraulic pumps
Voltage Options 380V/400V three-phase AC Custom voltage available
Speed Class 4-pole (1400~1500rpm standard) Matches conventional hydraulic pump rated speed
Insulation Class Class F Temperature resistance up to 155℃
Protection Grade IP54 Dustproof and splash-proof, suitable for factory workshop environment
Cooling Method IC411 self-fan cooling Independent built-in cooling fan
Applicable Ambient Temperature -10℃ ~ +40℃
4. Working Principle
After three-phase power supply is connected, the motor stator generates rotating magnetic field to drive the rotor to rotate synchronously. The torque is directly output through the hollow inner shaft hole to the matched hydraulic pump shaft, driving the pump to pressurize hydraulic oil and provide stable power source for the whole hydraulic system. The hollow coaxial structure eliminates coupling clearance, ensuring synchronous rotation of motor and pump.
5. Core Advantages
1. Compact Structure: No coupling required, overall length of motor-pump assembly shortened by 15%~25%, saving cabinet layout space.
2. High Transmission Efficiency: Zero intermediate transmission parts reduce power consumption and mechanical noise.
3. Low Vibration & Long Service Life: Higher coaxiality avoids eccentric wear caused by coupling deviation, prolongs service life of bearings and pump shaft seals.
4. Convenient Assembly & Maintenance: One-step butt joint between motor flange and pump flange, fast on-site assembly and disassembly.
5. Strong Compatibility: Hollow bore size can be customized to fit HGP, FG series gear pumps, vane pumps and other mainstream hydraulic pump models.
6. Typical Application Scenarios
- MVUP integrated motor pump assembly supporting
- Small and medium-sized industrial hydraulic power packs
- Hydraulic drive for injection molding auxiliary machines, machine tool clamping systems
- Lifting platforms, sanitation machinery, agricultural hydraulic equipment
- Automation production line hydraulic power modules
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Suppliers
Ningbo Hengnuo Hydraulic Drive Co.,Ltd
Audited supplier
4 year
Main Product:
hydraulic motor,
gear box ,
hydraulic pump,
hydraulic valve ,
hydraulic winch,
hydraulic system