Variable-amplitude oil cylinder for large machinery

Abstract

The utility model provides a variable-amplitude oil cylinder for a large machine, which belongs to the technical field of variable-amplitude oil cylinders, and comprises a rotating frame, a rotating shaft, an oil cylinder and an oil cylinder, the adjusting block is rotationally connected into the rotating frame; the variable-amplitude oil cylinder main body is fixedly connected into the adjusting block; the base is rotationally connected to the lower end of the rotating frame; the limiting mechanism is arranged on the upper side of the base; through radial and transverse adjustment, the use angle of the variable-amplitude oil cylinder body is flexibly adjusted in multiple directions, the operation range of the mechanical arm is not affected, and the use scene of the mechanical arm is not limited.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the amplitude cylinder technical field in large -scale machinery, specifically relates to a amplitude cylinder for large -scale machinery. BACKGROUND

[0002] The amplitude cylinder for large -scale machinery is an important hydraulic executing element for various engineering machinery, such as crane, excavator etc., its main function is to realize the amplitude action of working device through the extension of piston rod, thereby adjusting the amplitude of mechanical arm, satisfies the demand of different operation distance.Amplitude cylinder is usually designed with high -strength cylinder body, piston rod, sealing element and multiple connecting pieces, is made of high -quality material, ensures that in the complex and changeable working environment has excellent pressure -resistant, wear -resistant, impact -resistant performance.In addition, amplitude cylinder also needs to withstand high temperature, low temperature, dust and other harsh conditions, guarantees the stable operation of mechanical equipment.In structure design, amplitude cylinder pays attention to compact and light weight, to reduce the dead weight of equipment, improves operation efficiency, simultaneously facilitates installation and maintenance.As the key component of large -scale machinery, amplitude cylinder has strict standards in safety, reliability and durability, to ensure the safety and high efficiency of mechanical operation.

[0003] In the prior art, the amplitude cylinder is mostly fixed structure, which cannot adjust the angle, and the operation range of the amplitude cylinder is limited in use, and the angle adjustment is not flexible, which will affect the operation range of the mechanical arm, so that the machine cannot reach some specific work points, and the use scene of the machine is limited. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a amplitude cylinder for large -scale machinery, aims at solving the problems that the amplitude cylinder in prior art is mostly fixed structure, which cannot adjust the angle, and the operation range of the amplitude cylinder is limited in use, and the angle adjustment is not flexible, which will affect the operation range of the mechanical arm, so that the machine cannot reach some specific work points, and the use scene of the machine is limited.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A amplitude cylinder for large -scale machinery, comprising:

[0007] Rotary frame;

[0008] Adjusting block, the adjusting block is rotationally connected in the rotary frame;

[0009] Amplitude cylinder main part, the amplitude cylinder main part is fixedly connected in the adjusting block;

[0010] Base, the base is rotationally connected to the lower end of the rotary frame;And

[0011] A limiting mechanism is arranged on the upper side of the base and connected with the rotating frame to limit the rotating frame.

[0012] As a preferred scheme of the utility model, a plurality of supporting blocks are fixedly connected to the upper end of the base, and the upper end of each supporting block is fixedly connected with a ring plate.

[0013] As a preferred scheme of the utility model, the limiting mechanism comprises a gear, a rotating shaft and a gear ring, a plurality of gears and rotating shafts are arranged, the lower end of the ring plate and the upper end of the base are respectively connected with the rotating shafts through the gears, the gear ring is fixedly connected to the lower part of the circumferential surface of the rotating frame, and the gear ring is engaged with the plurality of gears.

[0014] As a preferred scheme of the utility model, a second motor is fixedly connected to the upper end of the ring plate, the output end of the second motor is movably penetrated through the lower end of the ring plate and fixed to the upper end of one rotating shaft, a first motor is fixedly connected to the surface of the rotating frame, and the output end of the first motor is movably penetrated through the rotating frame and fixed to one end of the adjusting block.

[0015] As a preferred scheme of the utility model, a rotating hole is arranged in the rotating frame, and a plurality of mounting plates are fixedly connected to the circumferential surface of the base.

[0016] As a preferred scheme of the utility model, a piston rod is slidably connected in the main body of the amplitude-changing oil cylinder, and a connecting block is fixedly connected to the upper end of the piston rod.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1. In the scheme, the use angle of the amplitude-changing oil cylinder body is flexibly adjusted in multiple directions through radial and transverse adjustment, the working range of the mechanical arm is not affected, and the use scene of the machine is not limited.

[0019] 2. In the scheme, when the device is installed, a threaded groove matched with the mounting hole is preset on the equipment or the ground, a screw is used to pass through the mounting hole and connected with the threaded groove, the device is fixed, and the installation of the device is facilitated through the setting of the mounting block. DRAWINGS

[0020] The drawings are used to provide a further understanding of the utility model, constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0021] Fig. 1 It is a perspective view of the utility model;

[0022] Fig. 2 It is a structural schematic view of the utility model;

[0023] Fig. 3 is a sectional view of the utility model.

[0024] In the figure: 1, base; 2, mounting plate; 3, support block; 4, ring plate; 6, gear; 7, rotating shaft; 8, gear ring; 9, rotating frame; 10, rotating hole; 11, adjusting block; 12, amplitude-variable oil cylinder main body; 13, piston rod; 14, connecting block; 15, first motor; 16, second motor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Embodiment 1

[0027] Please refer to Figs. 1-3 The utility model provides the following technical scheme:

[0028] A kind of amplitude-variable oil cylinder for large machinery, comprising:

[0029] Rotating frame 9;

[0030] Adjusting block 11, adjusting block 11 is rotationally connected in rotating frame 9;

[0031] Amplitude-variable oil cylinder main body 12, amplitude-variable oil cylinder main body 12 is fixedly connected in adjusting block 11;

[0032] Base 1, base 1 is rotationally connected to the lower end of rotating frame 9;And

[0033] Limiting mechanism, limiting mechanism is located at the upper side of base 1, limiting mechanism is connected with rotating frame 9 to realize the limiting of rotating frame 9.

[0034] In the specific embodiments of the utility model, amplitude-variable oil cylinder main body 12 is fixedly connected in adjusting block 11, adjusting block 11 is rotationally connected with rotating frame 9, by its rotationally connected, it is convenient for radial adjusting amplitude-variable oil cylinder main body 12, rotating frame 9 is rotationally connected to the upper end of base 1, by rotationally connected, it is convenient for adjusting transverse adjusting amplitude-variable oil cylinder main body 12, by radial and transverse adjustment, multidirectional flexible adjustment the use angle of amplitude-variable oil cylinder main body 12, will not affect the operating range of mechanical arm, will not limit the use scene of machine;Limiting mechanism is used for limiting rotating frame 9, improves the stability of rotating frame 9 in transverse adjustment.

[0035] Specifically, please refer to Figs. 1-3The upper end of the base 1 is fixedly connected with a plurality of supporting blocks 3, and the upper end of the plurality of supporting blocks 3 is fixedly connected with a ring plate 4.

[0036] In this embodiment, the supporting block 3 serves to connect the ring plate 4.

[0037] For details, please refer to Figs. 1-3 The limiting mechanism comprises a plurality of gears 6 and shafts 7, and a gear ring 8. The plurality of gears 6 are rotatably connected to the lower end of the ring plate 4 and the upper end of the base 1 through the shafts 7, and the gear ring 8 is fixedly connected to the lower part of the circumferential surface of the rotating frame 9. The gear ring 8 is engaged with the plurality of gears 6.

[0038] In this embodiment, the shaft 7 of the limiting mechanism is rotatably connected to the lower end of the ring plate 4 and the upper end of the base 1, the gear 6 is fixedly connected to the circumferential surface of the shaft 7, the gear ring 8 is fixedly connected to the lower part of the circumferential surface of the rotating frame 9, the gear 6 is engaged with the gear ring 8, and the rotation of the gear 6 drives the rotation of the gear ring 8.

[0039] For details, please refer to Figs. 1-3 The upper end of the ring plate 4 is fixedly connected with a second motor 16, the output end of the second motor 16 is movably penetrated through the lower end of the ring plate 4 and fixed to the upper end of one of the shafts 7, and the surface of the rotating frame 9 is fixedly connected with a first motor 15, and the output end of the first motor 15 is movably penetrated through the rotating frame 9 and fixed to one end of the adjusting block 11.

[0040] In this embodiment, the second motor 16 drives the rotation of the shaft 7 fixed to the output end thereof when in operation, the shaft 7 drives the rotation of the gear 6 fixed to the circumferential surface thereof when rotating, the gear 6 is engaged with the gear ring 8, the rotation of the gear 6 drives the rotation of the gear ring 8, and the gear ring 8 drives the rotation of the rotating frame 9, thereby indirectly driving the adjustment of the amplitude cylinder main body 12; the first motor 15 drives the rotation of the adjusting block 11 connected to the output end thereof when in operation, and the adjusting block 11 drives the adjustment of the amplitude cylinder main body 12.

[0041] For details, please refer to Figs. 1-3 A rotating hole 10 is formed in the rotating frame 9, and a plurality of mounting plates 2 are fixedly connected to the circumferential surface of the base 1.

[0042] In this embodiment, the rotating hole 10 is used for the rotation of the adjusting block 11, and two mounting holes are formed in the surface of each mounting plate 2. When the device is mounted, a threaded groove matched with the mounting hole is pre-installed on the equipment or the ground, a screw is used to penetrate through the mounting hole and connected with the threaded groove, thereby achieving the fixation of the device. The mounting block is arranged to facilitate the installation of the device.

[0043] For details, please refer to Figs. 1-3 A piston rod 13 is slidably connected in the amplitude cylinder main body 12, and a connecting block 14 is fixedly connected to the upper end of the piston rod 13.

[0044] In this embodiment: the piston rod 13 in the amplitude cylinder body 12 sliding, connecting block 14 is used for connecting the device, through the piston rod 13 sliding connecting block 14 moves, and then the connecting block 14 drives the device.

[0045] It should be noted that the first motor 15 and the second motor 16 used in the present application are all prior art, and the specific type of the first motor 15 and the second motor 16 can be selected according to actual needs, which will not be described in detail here.

[0046] The working principle and use process of the utility model: when the device is used, first, the mounting plate 2 is installed at the position required to be used, then the connecting block 14 is connected with the equipment to be driven, and the amplitude cylinder body 12 is connected with the oil pipe; when driving the equipment, the second motor 16 is controlled to operate, the second motor 16 drives the output end fixed shaft 7 to rotate, the shaft 7 drives the gear 6 fixed on the circumferential surface to rotate when rotating, the gear 6 is engaged with the gear ring 8, the gear ring 8 is driven to rotate by the rotation of the gear 6, then the rotating frame 9 is driven to rotate by the gear ring 8, and the amplitude cylinder body 12 is indirectly adjusted; the first motor 15 is controlled to operate, the first motor 15 drives the output end connected adjusting block 11 to rotate, and the amplitude cylinder body 12 is adjusted by the adjusting block 11; through radial and transverse adjustment, the use angle of the amplitude cylinder body 12 is flexibly adjusted in multiple directions, which will not affect the operation range of the mechanical arm and will not limit the use scene of the machine.

[0047] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement for part of technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A variable amplitude oil cylinder for large machinery, characterized in that: include: Rotating frame (9); An adjusting block (11), the adjusting block (11) being rotatably connected to the rotating frame (9); A luffing oil cylinder body (12), wherein the luffing oil cylinder body (12) is fixedly connected to the adjusting block (11); a base (1), the base (1) being rotatably connected to the lower end of the rotating frame (9); and A limiting mechanism is provided on the upper side of the base (1), and the limiting mechanism is connected to the rotating frame (9) to achieve the limiting of the rotating frame (9).

2. The luffing cylinder for large machinery according to claim 1, characterized in that: The upper end of the base (1) is fixedly connected to a plurality of support blocks (3), and the upper ends of the plurality of support blocks (3) are fixedly connected to a ring plate (4).

3. The large-scale machinery luffing cylinder according to claim 2, characterized in that: The limiting mechanism comprises a gear (6), a rotating shaft (7) and a gear ring (8), wherein a plurality of the gears (6) and the rotating shaft (7) are provided, and the plurality of gears (6) are rotatably connected to the lower end of the ring plate (4) and the upper end of the base (1) through the rotating shaft (7), respectively, and the gear ring (8) is fixedly connected to the lower part of the circumferential surface of the rotating frame (9), and the gear ring (8) is meshed with the plurality of gears (6).

4. The large-scale machinery luffing cylinder according to claim 3, characterized in that: The upper end of the ring plate (4) is fixedly connected to a second motor (16), the output end of the second motor (16) movably passes through the lower end of the ring plate (4) and is fixed to the upper end of one of the rotating shafts (7), and the surface of the rotating frame (9) is fixedly connected to a first motor (15), the output end of the first motor (15) movably passes through the rotating frame (9) and is fixed to one end of the adjustment block (11).

5. The luffing cylinder for large machinery according to claim 4, characterized in that: A rotating hole (10) is provided in the rotating frame (9), and a plurality of mounting plates (2) are fixedly connected to the circumferential surface of the base (1).

6. The luffing cylinder for large machinery according to claim 5, characterized in that: A piston rod (13) is slidably connected in the amplitude-changing oil cylinder body (12), and a connecting block (14) is fixedly connected to the upper end of the piston rod (13).

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