A variable inertial flywheel linkage inertial device

Abstract

The application discloses a variable inertia linkage device, which comprises a shell, a hydraulic cylinder arranged in the shell, a moving slider arranged in the shell and below the hydraulic cylinder, a linkage mechanism arranged below the moving slider, a flywheel arranged on the left and right sides of the linkage mechanism and connected with the linkage mechanism through a key eccentric connection, flywheel support springs arranged on the front and back sides of the flywheel, and a connecting rod fixedly connected with the linkage mechanism. The hydraulic cylinder is fixedly installed in the shell and is internally provided with two opposite one-way valves. The moving slider is slidingly installed on the inner surface of the shell. The moving slider is provided with a moving slide rod. The lower end of the connecting rod penetrates through the shell and is welded with a lower lifting lug. The top end of the shell is welded with an upper lifting lug. The flywheel of the inertia linkage device is combined with the flywheel of the inertia container. The rotating position of the flywheel is changed through the up-and-down movement of the flywheel support spring. The movement track of the flywheel is continuously changed. The rotating speed of the flywheel is changed. The inertia is changed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of inertial haptics, in particular to a variable inertial haptics connecting rod type inertial haptics device. BACKGROUND

[0002] Inertial haptics is a two-end element, when used as an inertial element in application occasions such as dynamic vibration absorber, its action form is quite different from that of single mass, which inevitably causes problems such as narrowing of vibration reduction frequency band; in addition, the inherent defect of fixed structure inertial haptics is that when the radial size of the flywheel is limited, the structure parameters cannot be adjusted, the inertia-mass ratio of the ball screw type inertial haptics cannot be changed, and the effect of this inertial haptics initially proposed for suspension systems is not particularly ideal, the inertial haptics value is constant, and the use effect is general, so it is required to design an inertial haptics with adjustable inertial haptics value; at the same time, the force control equipment currently applied to dynamic vibration absorption has various forms of equipment structures such as gear and rack type, ball screw, hydraulic generation type, lever mass type, torsion type, small tooth difference planetary gear type, and cycloid steel ball type; however, these mechanisms for applying dynamic vibration absorption have complex processing technology, high requirements for part impact load, high manufacturing cost, and are not easy to arrange in practice, and there are more rigid connections between parts, resulting in a certain gap between the final mechanism vibration isolation effect and the expected effect.

[0003] In view of the above situation, it is necessary to improve the existing inertial haptics device to adapt to the current needs of vibration isolation. SUMMARY

[0004] In order to solve the problems in the above background art, the present application provides a variable inertial haptics connecting rod type inertial haptics device, which combines a connecting rod mechanism and a flywheel of an inertial haptics, changes the rotation position of the flywheel by the up and down movement of the flywheel support spring, constantly changes the flywheel motion trajectory, and then changes the flywheel speed, and then changes the inertial haptics.

[0005] To achieve the above purpose, the technical scheme of the present application is a variable inertial haptics connecting rod type inertial haptics device, which comprises a shell, a hydraulic cylinder arranged in the shell, a moving slider arranged in the shell below the hydraulic cylinder, a connecting rod mechanism arranged below the moving slider, a flywheel arranged on the left and right sides of the connecting rod mechanism and connected with the connecting rod mechanism through key eccentric connection, flywheel support springs arranged on the front and rear sides of the flywheel, and a connecting rod fixedly connected with the connecting rod mechanism, the hydraulic cylinder is fixedly installed in the shell and has two opposite direction one-way valves on the inner side, the moving slider is slidingly installed on the inner surface of the shell, the moving slider is provided with a moving slide rod, the moving slide rod penetrates the hydraulic cylinder and is slidingly installed in the hydraulic cylinder, one end of the flywheel support spring is fixedly connected with the flywheel, the other end of the flywheel support spring is fixedly connected with the shell, the lower end of the connecting rod penetrates the shell and is welded with a lower lifting lug, and the top end of the shell is welded with an upper lifting lug.

[0006] Further supplement to the technical solution, the hydraulic cylinder is provided with a connecting plate to divide the hydraulic cylinder into two parts, and two opposite one-way valves are arranged on the left and right sides of the connecting plate, one end of the moving slide rod is fixedly connected with the moving slide block, and the other end of the moving slide rod is fixedly connected with the connecting plate.

[0007] Further supplement to the technical solution, the one-way valve is further provided with a one-way valve spring, one end of the one-way valve spring is fixedly connected with the one-way valve, and the other end of the one-way valve spring is fixedly connected with the connecting plate.

[0008] Further supplement to the technical solution, the moving slide block is further provided with a transverse slide rail on one side of the connecting rod mechanism, and the connecting rod mechanism is slidingly installed on the transverse slide rail.

[0009] Further supplement to the technical solution, the connecting rod mechanism comprises a plurality of connecting rods connected through bolts and connecting rod sliding blocks connected with connecting rod pins, the connecting rod is connected with one end of two connecting rods through bolts, and the connecting rod sliding blocks are provided with two connecting rod sliding blocks connected with the connecting rod pins.

[0010] Further supplement to the technical solution, the connecting rod and the eccentric position of the flywheel are connected through a key.

[0011] Further supplement to the technical solution, the number of the connecting rods and the shape of the flywheel can be changed as required.

[0012] Further supplement to the technical solution, the flywheel is provided with two flywheel support springs connected with the shell on the front and rear sides of the flywheel.

[0013] Further supplement to the technical solution, the connecting rod and the connecting rod are made of zirconium or 30Cr, and the connecting rod and the connecting rod are subjected to quenching treatment or iron fluorine spraying.

[0014] Further supplement to the technical solution, a sleeve is arranged between the shell and the connecting rod.

[0015] The beneficial effects are that 1. the inertial container device can reduce the impact of the connecting rod mechanism on the flywheel without additional energy, weaken the time lag effect of the inertial container, and make the inertial container closer to the performance under the ideal model;

[0016] 2. the inertial container and the damper are combined, the kinetic energy of the connecting rod is stored by the flywheel, the inertial container is packaged, and the damping force of the damper is increased;

[0017] 3. the variable inertial container design is realized, the up-down movement of the flywheel support spring under the action of force changes the flywheel motion trajectory and changes the flywheel inertia, the inertial container device is simple and feasible, easy to manufacture, and the inertia can be adjusted at any time according to the working condition, and the inertial container device is combined with inertial equipment and damping equipment.

[0018] 4. The application adopts integrated design and non-rigid connection to realize simple structure of inertial device and damping device, and effectively prolong the service life of parts;

[0019] 5. The application adopts double flywheel structure, the position of each flywheel is controlled by the force of pull rod and spring stiffness, the multi-stage transformation of inertance can be realized by adjusting the spring, or the installation position of flywheel is replaced to realize the misplacement of flywheel and increase the transformation range of inertance. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the sectional structure schematic diagram of the application;

[0021] Figure 2 is the three-dimensional structure schematic diagram of the application;

[0022] Figure 3 is the installation partial structure schematic diagram of connecting rod, flywheel, connecting rod slider and horizontal slide rail of the application;

[0023] Figure 4 is the installation partial schematic diagram of flywheel and flywheel support spring of the application;

[0024] In the figure, 1 is a shell, 2 is a hydraulic cylinder, 3 is a moving slider, 41 is a connecting rod, 42 is a connecting rod slider, 5 is a flywheel, 6 is a flywheel support spring, 7 is a connecting rod, 8 is a one-way valve, 9 is a moving slide rod, 10 is a lower lifting lug, 11 is an upper lifting lug, 12 is a connecting plate, 13 is a one-way valve spring, and 14 is a horizontal slide rail. DETAILED DESCRIPTION

[0025] In order to make the technical solution more clear for the person skilled in the art, the specific structure and principle of each mechanism will be described below with reference to the accompanying drawings. Figures 1-4 The specific structure and principle of each mechanism are described as follows:

[0026] The application discloses a variable inertia linkage device, which comprises a shell 1, a hydraulic cylinder 2 arranged in the shell 1, a moving slider 3 arranged below the hydraulic cylinder 2 in the shell 1, a linkage mechanism arranged below the moving slider 3, a flywheel 5 arranged on the left and right sides of the linkage mechanism and connected with the linkage mechanism through key eccentricity, flywheel supporting springs 6 arranged on the front and back sides of the flywheel 5, a connecting rod 7 fixedly connected with the linkage mechanism, the hydraulic cylinder 2 is fixedly installed in the shell 1 and is provided with two opposite one-way valves 8 on the inner side, the moving slider 3 is slidingly installed on the inner surface of the shell 1, the moving slider 3 is provided with a moving slide rod 9, the moving slide rod 9 penetrates through the hydraulic cylinder 2 and is slidingly installed in the hydraulic cylinder 2, one end of the flywheel supporting spring 6 is fixedly connected with the flywheel 5, the other end of the flywheel supporting spring 6 is fixedly connected with the shell 1, the lower end of the connecting rod 7 penetrates through the shell 1 and is welded with a lower lifting lug 10, and the top end of the shell 1 is welded with an upper lifting lug 11.

[0027] The hydraulic cylinder 2 is provided with a connecting plate 12 to divide the hydraulic cylinder 2 into two parts, the two opposite one-way valves 8 are arranged on the left and right sides of the connecting plate 12, one end of the moving slide rod 9 is fixedly connected with the moving slider 3, and the other end of the moving slide rod 9 is fixedly connected with the connecting plate 12.

[0028] In order to ensure that the one-way valve 8 is connected with the hydraulic cylinder 2, the one-way valve 8 is further provided with a one-way valve spring 13, one end of the one-way valve spring 13 is fixedly connected with the one-way valve 8, and the other end of the one-way valve spring 13 is fixedly connected with the connecting plate 12.

[0029] In order to better connect the linkage mechanism with the moving slider 3 and facilitate the movement of the linkage mechanism, the moving slider 3 is further provided with a transverse slide rail 14 on one side of the linkage mechanism, one end of the linkage mechanism is slidingly installed on the transverse slide rail 14, and the design of the transverse slide rail 14 ensures the movement track of a linkage slider 42.

[0030] In order to better limit and support the flywheel 5, two flywheel supporting springs 6 are arranged on the front and back sides of the flywheel 5 and connected with the shell 1.

[0031] In order to further improve the service life, the connecting rod 7 and the connecting rod 41 are made of zirconium or 30Cr; the connecting rod 7 and the connecting rod 41 are quenched or sprayed with iron fluorine.

[0032] Wherein, in order to make the connecting rod 7 move stably on the shell 1, a sleeve is arranged between the shell 1 and the connecting rod 7, for stabilizing the up-down movement of the connecting rod 7.

[0033] The following will explain the whole working principle of the system:

[0034] The inertial damper device described in the application is based on a multi-link mechanism, the connecting rods 41 are connected by bolts, and the plurality of connecting rods 41 form a multi-link mechanism, the multi-link mechanism connects the eccentric positions of the two flywheels 5, so as to achieve the effect that the connecting rods 41 drive the flywheels 5 to rotate, realize the packaging of the inertial mass of the flywheels 5, and achieve the effect of the inertial container; the two flywheels 5 are respectively supported by the two flywheel support springs 6, so as to keep the flywheels 5 in a stable movement state; the lower lifting lug 10 is connected to a vibration source, and the upper lifting lug 11 is connected to a device requiring vibration isolation; when the two flywheels 5 are subjected to forces of equal size and opposite directions, the two flywheels 5 rotate in opposite directions, at this time, the flywheel support springs 6 are subjected to upward or downward forces from the flywheels 5, and the two flywheel support springs 6 are respectively stretched and compressed, so that the flywheels 5 can move upward or downward, the movement trajectory of the flywheels 5 is changed, the inertial capacity of the flywheels 5 is changed, the flywheel support springs 6 can also help the flywheels 5 to return to the original position, help the flywheels 5 to reduce the impact from the change of the movement direction of the connecting rods 41, and increase the service life of the flywheels 5; the connecting rods 41 are connected to the flywheels 5 and the connecting rod sliders 42, and the connecting rod sliders 42 are connected to the moving sliders 3, so as to ensure the movement trajectory of the connecting rods 41 and the movement direction of the moving sliders 3; when the connecting rod mechanism moves, the moving sliders 3 are driven by the connecting rod sliders 42 to move up and down, since the moving slide rods 9 are connected to the moving sliders 3, at this time, the moving slide rods 9 move up and down with the moving sliders 3, the connecting plates 12 move with the moving slide rods 9, under the action of the connecting plates 12 and the two opposite one-way valves 8, the hydraulic oil in the hydraulic cylinders 2 moves on the upper and lower sides of the connecting plates 12, the effect of the hydraulic damper is realized, and then the vibration isolation is realized.

[0035] The above technical scheme only embodies the preferred technical scheme of the technical scheme of the application, and some changes made by the person skilled in the art to some parts of the application also embody the principle of the application and are within the protection scope of the application.

Claims

1. A linkage-type inertial-capacitance device with variable inertial capacity, characterized in that, The system includes a housing (1), a hydraulic cylinder (2) disposed within the housing (1), a movable slider (3) disposed within the housing (1) and located below the hydraulic cylinder (2), a linkage mechanism disposed below the movable slider (3), flywheels (5) disposed on the left and right sides of the linkage mechanism and eccentrically connected to them via keys, flywheel support springs (6) disposed on the front and rear sides of the flywheels (5), and a connecting rod (7) fixedly connected to the linkage mechanism. The hydraulic cylinder (2) is fixedly installed within the housing (1) and has two one-way valves in opposite directions on its inner side. (8) The movable slider (3) is slidably installed on the inner surface of the housing (1). The movable slider (3) is provided with a movable slide rod (9). The movable slide rod (9) passes through the hydraulic cylinder (2) and is slidably installed inside it. One end of the flywheel support spring (6) is fixedly connected to the flywheel (5). The other end of the flywheel support spring (6) is fixedly connected to the housing (1). The lower end of the connecting rod (7) passes through the housing (1) and is welded with a lower lifting lug (10). The top of the housing (1) is welded with an upper lifting lug (11).

2. The variable inertia capacity linkage-type inertia capacity device according to claim 1, characterized in that, The hydraulic cylinder (2) is provided with a connecting plate (12) which divides the hydraulic cylinder (2) into two parts. Two one-way valves (8) with opposite directions are respectively set on the left and right sides of the connecting plate (12). One end of the moving slide rod (9) is fixedly connected to the moving slider (3), and the other end of the moving slide rod (9) is fixedly connected to the connecting plate (12).

3. A variable inertia-capacity linkage-type inertia-capacity device according to claim 2, characterized in that, The one-way valve (8) is also provided with a one-way valve spring (13), one end of which is fixedly connected to the one-way valve (8) and the other end is fixedly connected to the connecting plate (12).

4. A linkage-type inertial capacity device with variable inertial capacity according to claim 1, characterized in that, The movable slider (3) is also provided with a transverse slide rail (14) on one side of the linkage mechanism, and the linkage mechanism is slidably mounted on the transverse slide rail (14).

5. A variable inertia-compression linkage-type inertia-compression device according to claim 4, characterized in that, The linkage mechanism includes multiple connecting rods (41) connected by bolts and a connecting rod slider (42) connected to the connecting rod (41) pin. The connecting rod (7) is connected to one side end of the front and rear connecting rods (41) by bolts. There are two connecting rod sliders (42) and they are respectively connected to the connecting rod (41) pin.

6. A linkage-type inertial capacity device with variable inertial capacity according to claim 5, characterized in that, The connecting rod (41) and the flywheel (5) are connected by a key at their eccentric positions.

7. A variable inertia-compression linkage inertia-compression device according to claim 6, characterized in that, The flywheel (5) is provided with two flywheel support springs (6) on the front and rear sides respectively, which are connected to the housing (1).

8. A variable inertia-compression linkage device according to claim 5, characterized in that, The connecting rod (7) and the connecting rod (41) are made of zirconium or 30Cr; both the connecting rod (7) and the connecting rod (41) have been quenched or coated with Teflon.

9. A variable inertia-compression linkage device according to claim 8, characterized in that, A sleeve is provided between the housing (1) and the connecting rod (7).

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