German moliton springs moliton models moliton prices

moliton springs are energy accumulators; they store energy but cannot release it slowly. To achieve slow release, a "spring + high gear ratio mechanism" is required, commonly seen in mechanical watches. Helical springs have been applied since ancient times; bows and crossbows are two broad types of helical springs. By appearance, they can be divided into standard cylindrical helical springs and variable-diameter helical springs (see figure); by helix direction, they can be divided into left-hand springs and right-hand springs. Cylindrical helical springs have a simple structure, are easy to manufacture, and are the most widely used. Their characteristic line is linear, and they can serve as compression springs, extension springs, and torsion springs. When the load is large and radial dimensions are limited, two compression springs with different diameters can be nested to form a combination spring. Variable-diameter helical springs include conical helical springs, volute helical springs, and concave helical springs. Conical helical springs offer good buffering performance and can withstand large loads. Volute helical springs can store more energy and withstand larger loads, but the manufacturing process is complex. The performance of concave helical springs is similar to that of conical helical springs, and they are mostly used in seat cushions and mattresses. Spring wire cross-sections include circular and rectangular shapes, with circular cross-sections being the most common.

moliton spring installation and removal

Hydraulic hand pallet trucks are widely used in production. During maintenance of their pressure oil pumps, we found that the pressure spring responsible for returning the piston rod of the pressure oil pump and the push arm of the truck has a wire diameter of n and stores an elastic force of up to 1000N, making its installation and removal very difficult. This often delays troubleshooting and directly affects production progress. Several measures were taken, but none were effective. Therefore, I designed a pressure spring installer/remover as shown in Figure 1. The installer/remover consists of a lower pressure lever 1, pressure blocks 10, connecting pins 14, nuts 1, spherical washers 12, upper pressure lever 13, positioning sleeves 16, and levers. During operation, rotate the nut 11 to an appropriate position so that the cylindrical head claw of the lower pressure lever 1 contacts the vehicle body 2, and the two pressure blocks 10 press symmetrically on the washer 6. Tighten the nut n; through the tie rod 15, the upper pressure lever 13 and lower pressure lever 1 move relative to each other, forcing the pressure spring to compress. When the washer 6 leaves the cylindrical pin 7, the pressure wheel shaft 9, pressure wheel 8, and cylindrical pin 7 can be removed. Then, loosen the nut 11, remove the installer/remover, take off the pressure spring, and proceed with disassembly, inspection, and maintenance of the pressure oil pump. The positioning sleeve 16 on the installer/remover is a key component. During manufacturing, one end has an internal spherical surface with a slot hole in the middle, and the other end is an inclined plane. It has an interference fit with the pressure lever. It must make good contact with the spherical washer 12 and the ball head of the lever 15. The pressure block 10 and connecting pin 14 have a clearance fit, requiring flexible rotation. The connecting pin 14 and upper pressure lever 13 have an interference fit. The connecting shaft 18 and pressure lever have a clearance fit.

moliton spring structure and principle

The torsion bar spring itself is a torsion bar made of spring steel. The cross-section of the torsion bar is usually circular, with a few being tubular or rectangular. Its ends can be shaped as splines, square, hexagonal, or cylindrical with flat surfaces, so that one end can be fixed to the vehicle frame and the other end to the suspension arm, which is connected to the wheel. One end of the torsion bar spring is fixed to the vehicle frame, while the other end is connected to the wheel via the suspension arm. When the wheel encounters an obstacle on the ground and bounces upward, it drives the suspension arm to rotate around the axis of the torsion bar by a certain angle, causing the torsion bar to undergo torsional deformation (elastic deformation). At the same time, the elastic energy stored in the torsional deformation of the torsion bar will be released when the wheel leaves the obstacle, allowing the force transmission mechanism and the wheel to quickly return to their original positions. During the manufacturing of torsion bar springs, the torsion bar is pre-twisted to create a permanent torsional deformation, giving it a certain amount of prestress. The direction of the pre-applied twist is the same as the direction of twist during operation when installed on the vehicle, with the aim of reducing actual stress during operation and extending its lifespan. Note that left and right torsion bars are not interchangeable.

moliton spring applications

To a large extent, disc springs are replacing cylindrical helical springs. They are commonly used in heavy machinery (such as presses) and weapons like cannons and aircraft as strong buffering and vibration-damping springs, as clamping springs for automobile and tractor clutches and safety valves, and as energy storage elements for mobile devices. Disadvantage: Load deviation is difficult to guarantee. Disc springs can be divided into three categories based on cross-sectional shape: standard disc springs (rectangular cross-section), disc springs with radial slots, and trapezoidal cross-section disc springs. Standard disc springs are divided into those with support surfaces and those without. Disc springs with radial slots are based on standard disc springs, with several uniformly distributed slots cut radially. Slots can be cut from the inner hole toward the outer circle or from the outer circle toward the inner hole. Trapezoidal cross-section disc springs can be divided into two types: those with inner edge thickness greater than outer edge thickness, and those with inner edge thickness less than outer edge thickness. Since the deformation and load values of a single disc spring often do not meet usage requirements, they can be used in groups to form disc spring assemblies (columns). Typical combinations include: stacked combination disc springs, compound combination disc springs, and other combination disc springs. Compared with cylindrical helical springs, disc springs have the following characteristics: 1) The load-deformation characteristic curve is nonlinear. 2) Disc springs are thin and easy to form assemblies, allowing modular assembly and replacement, which facilitates maintenance. 3) Disc springs with radial slots have zero stiffness characteristics. This characteristic can be applied in situations where the spring force is required to remain basically stable within a certain deformation range. 4) The vibration absorption performance of disc springs is no lower than that of cylindrical helical springs. When stacked combinations are used, the friction between disc spring plates provides greater damping, dissipating impact energy.

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