Amplitude modulation device of vibratory roller

Abstract

The utility model discloses an amplitude modulation device of a vibratory roller, which comprises a road rolling steel wheel assembly and a support frame, the road rolling steel wheel assembly is rotatably connected between the inner walls of the two sides of the support frame, the road rolling steel wheel assembly comprises two central connecting arc blocks, and the two central connecting arc blocks are fixed through bolts. The top and the bottom of the central connecting arc block are fixedly connected with peripheral connecting arc blocks, and the outer sides of the central connecting arc block and the peripheral connecting arc blocks are wrapped with road rolling cylinders. Hydraulic oil is input into the hydraulic oil cylinder through the first pump body, so that the overall weight of the hydraulic oil cylinder is increased, the equivalent inertia moment is increased, the amplification effect is achieved, then the hydraulic oil in the hydraulic oil cylinder is input into the hydraulic oil tank through the second pump body, and the overall weight of the hydraulic oil cylinder is reduced; therefore, the amplitude reduction effect is realized, and the amplitude modulation operation of the vibratory roller is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to vibration road roller technical field especially relates to a vibration road roller amplitude modulation device. BACKGROUND

[0002] At present, in the vibration road roller use process, can be through to its steel wheel inside different position injects different weight's hydraulic oil, is used for adjusting steel wheel amplitude.

[0003] Through the retrieval, the patent number for CN205474735U of China has announced a kind of vibration road roller liquid control stepless amplitude modulation device, the above-mentioned patent realizes the function of steel wheel internal hydraulic oil adjustment with liquid control structure scheme, but due to the hydraulic oil of road roller steel wheel inside up and down cannot be regulated separately, leading to the amplitude modulation use effect of steel wheel is poor, therefore, for the progress of industry technology, better realize the amplitude modulation function of road roller, improve core technology competitiveness, the present application proposes a new implementation scheme different from the structure and application mode of road roller amplitude modulation device in prior art. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that the hydraulic oil of road roller steel wheel inside up and down cannot be regulated separately, leading to the amplitude modulation use effect of steel wheel is poor, and proposes a kind of vibration road roller amplitude modulation device.

[0005] In order to achieve the above-mentioned purpose, the utility model has adopted the following technical scheme:

[0006] A kind of vibration road roller amplitude modulation device, including road roller steel wheel component and support frame, the road roller steel wheel component rotationally connects between the two sides inner walls of support frame, road roller steel wheel component includes two center connecting arc blocks, two center connecting arc blocks are fixed by bolt, the top and bottom of center connecting arc block are all fixedly connected with peripheral connecting arc block, center connecting arc block and peripheral connecting arc block outside are wrapped with road roller cylinder, rotating shaft is fixedly inserted between two center connecting arc blocks, rotating shaft rotationally connects between the two sides inner walls of support frame, the two ends of peripheral connecting arc block are all fixedly inserted with amplitude modulation component, amplitude modulation component includes two hydraulic oil cylinders, hydraulic oil cylinder is fixedly inserted in peripheral connecting arc block, piston is slidably connected in hydraulic oil cylinder, liquid distributor head is arranged between two hydraulic oil cylinders, sealedly inserted with liquid distributor pipe between one end of hydraulic oil cylinder and liquid distributor head, the bottom of liquid distributor head is sealedly inserted with connecting pipe.

[0007] Further, the two sides outer walls of support frame are all fixedly connected with hydraulic oil tank, one end outer wall of hydraulic oil tank is fixedly connected with first pump body and second pump body, the liquid inlet end of first pump body is sealedly inserted with first liquid inlet pipe, the other end of first liquid inlet pipe is inserted with hydraulic oil tank, the discharge end of first pump body is sealedly inserted with first liquid outlet pipe.

[0008] Further, the liquid outlet end of the second pump body is sealingly inserted with a second liquid outlet pipe, the other end of the second liquid outlet pipe is inserted with one side of the hydraulic oil tank, and the liquid inlet end of the second pump body is sealingly inserted with a second liquid inlet pipe.

[0009] Further, the other end of the first liquid outlet pipe and the other end of the second liquid inlet pipe are both connected with electric valves through flanges, a tee pipe is connected between the two electric valves through flanges, and the other end of the tee pipe is rotatably inserted with the other end of the connecting pipe.

[0010] Further, one end of the hydraulic oil cylinder is threadedly sleeved with a limiting cover.

[0011] Further, the liquid distribution head is a spherical structure.

[0012] The beneficial effects of the utility model are:

[0013] 1. The hydraulic oil is input into the hydraulic oil cylinder through the first pump body, so that the overall weight of the hydraulic oil cylinder is increased, and the equivalent moment of inertia is increased, so that the amplification effect is realized, and then the hydraulic oil in the hydraulic oil cylinder is input into the hydraulic oil tank through the second pump body, so that the overall weight of the hydraulic oil cylinder is reduced, and the equivalent moment of inertia is reduced, so that the amplitude reduction effect is realized, and the amplitude adjustment operation of the vibratory road roller is realized.

[0014] 2. The center connecting arc block and the peripheral connecting arc block are assembled in a splicing mode, so that the installation of the amplitude adjustment assembly is facilitated, and the maintenance and maintenance of the amplitude adjustment assembly are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model of a vibratory road roller amplitude adjustment device;

[0016] Figure 2 It is a road roller steel wheel assembly sectional side view structure schematic view of the utility model of a vibratory road roller amplitude adjustment device;

[0017] Figure 3 It is an amplitude adjustment assembly sectional view structure schematic view of the utility model of a vibratory road roller amplitude adjustment device;

[0018] Figure 4 It is a partial three-dimensional structure schematic view of the utility model of a vibratory road roller amplitude adjustment device;

[0019] Figure 5 It is a partial explosion separation sectional view structure schematic view of the utility model of a vibratory road roller amplitude adjustment device.

[0020] In the figure: 1, the steel roller assembly; 101, the center connecting arc block; 102, the peripheral connecting arc block; 103, the roller cylinder; 104, the rotating shaft; 2, the support frame; 3, the amplitude modulation assembly; 301, the hydraulic cylinder; 302, the distribution head; 303, the distribution pipe; 304, the piston; 305, the connecting pipe; 4, the hydraulic oil tank; 5, the three-way pipe; 6, the electric valve; 7, the first pump body; 8, the first liquid inlet pipe; 9, the first liquid outlet pipe; 10, the second pump body; 11, the second liquid inlet pipe; 12, the second liquid outlet pipe; 13, the limiting cover. By dynamically distributing the mass of hydraulic oil inside the steel roller, the equivalent moment of inertia of the vibration system is changed, and stepless adjustment of the vibration amplitude is realized. DETAILED DESCRIPTION

[0021] 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.

[0022] REFERENCE Figures 1-5 An amplitude modulation device of a vibrating road roller, comprising a steel roller assembly 1 and a support frame 2, the steel roller assembly 1 is rotatably connected between the inner walls on both sides of the support frame 2, the steel roller assembly 1 comprises two center connecting arc blocks 101, the two center connecting arc blocks 101 are fixed by bolts, the top and bottom of the center connecting arc block 101 are fixed with the peripheral connecting arc blocks 102 by bolts, the center connecting arc block 101 and the peripheral connecting arc block 102 are wrapped with the roller cylinder 103 outside, the rotating shaft 104 is fixedly inserted between the two center connecting arc blocks 101, the rotating shaft 104 is rotatably connected between the inner walls on both sides of the support frame 2, the two ends of the peripheral connecting arc block 102 are fixedly inserted with the amplitude modulation assembly 3, the center connecting arc block 101 and the peripheral connecting arc block 102 are designed in a splicing manner, which facilitates the installation of the amplitude modulation assembly 3, and is convenient and fast;

[0023] The amplitude modulation assembly 3 comprises two hydraulic oil cylinders 301 fixedly inserted into the peripheral connecting arc blocks 102, a piston 304 slidingly connected in the hydraulic oil cylinders 301, a liquid distribution head 302 arranged between the two hydraulic oil cylinders 301, a liquid distribution pipe 303 sealingly inserted between the liquid distribution head 302 and one end of the hydraulic oil cylinder 301, a connecting pipe 305 sealingly inserted into the bottom of the liquid distribution head 302, hydraulic oil tanks 4 fixedly arranged on the two side walls of the support frame 2 by bolts, first and second pump bodies 7 and 10 fixedly arranged on one end of the hydraulic oil tank 4 by bolts, a first liquid inlet pipe 8 sealingly inserted into the liquid inlet end of the first pump body 7, the other end of the first liquid inlet pipe 8 being inserted into the hydraulic oil tank 4, a first liquid outlet pipe 9 sealingly inserted into the liquid outlet end of the first pump body 7, the hydraulic oil in the hydraulic oil tank 4 being sucked into the first liquid inlet pipe 8 under the action of the first pump body 7, then being input into the hydraulic oil cylinder 301 through the first liquid outlet pipe 9, the connecting pipe 305 and the liquid distribution head 302, so as to drive the piston 304 to move, thereby increasing the overall weight of the hydraulic oil cylinder 301, increasing the equivalent moment of inertia, and realizing the amplification effect.

[0024] The other end of the first liquid outlet pipe 9 and the other end of the second liquid inlet pipe 11 are both connected with the electric valve 6 through flanges, a three-way pipe 5 is connected between the two electric valves 6 through flanges, the other end of the three-way pipe 5 is rotatably inserted into the other end of the connecting pipe 305, the hydraulic oil in the hydraulic oil cylinder 301 is sucked into the liquid distribution head 302 through the liquid distribution pipe 303 under the action of the second pump body 10, then is input into the hydraulic oil tank 4 through the connecting pipe 305, the three-way pipe 5, the electric valve 6, the second liquid inlet pipe 11 and the second liquid outlet pipe 12, so as to reduce the overall weight of the hydraulic oil cylinder 301, thereby reducing the equivalent moment of inertia, and realizing the amplitude reduction effect.

[0025] The working principle of the embodiment is as follows: when the amplification is needed, first, the electric valve 6 located at the lower side is opened, and the electric valve 6 located at the upper side is closed, then the first pump body 7 is started, the hydraulic oil in the hydraulic oil tank 4 is sucked into the first liquid inlet pipe 8 under the action of the first pump body 7, then is input into the hydraulic oil cylinder 301 through the first liquid outlet pipe 9, the three-way pipe 5, the connecting pipe 305 and the liquid distribution head 302, so as to drive the piston 304 to move, thereby increasing the overall weight of the hydraulic oil cylinder 301, increasing the equivalent moment of inertia, and realizing the amplification effect.

[0026] When the amplitude needs to be reduced, the upper electric valve 6 is opened and the lower electric valve 6 is closed, then the second pump body 10 is started, under the action of the second pump body 10, the hydraulic oil in the hydraulic oil cylinder 301 is sucked into the distribution head 302 through the distribution pipe 303, then enters the hydraulic oil tank 4 through the connecting pipe 305, the three-way pipe 5, the electric valve 6, the second inlet pipe 11 and the second outlet pipe 12, so as to reduce the weight of the whole hydraulic oil cylinder 301, and then reduce the equivalent inertia moment, so as to realize the amplitude reduction effect, and realize the amplitude adjustment operation of the vibrating road roller.

[0027] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A vibratory roller amplitude modulation device comprising a road roller steel wheel assembly (1) and a support frame (2), characterized in that, The road roller steel wheel assembly (1) is rotationally connected between the inner walls of the two sides of the support frame (2), the road roller steel wheel assembly (1) comprises two center connecting arc blocks (101), the two center connecting arc blocks (101) are fixed by bolts, the top and bottom of the center connecting arc block (101) are fixedly connected with the peripheral connecting arc blocks (102), the center connecting arc block (101) and the peripheral connecting arc block (102) are wrapped with a road roller cylinder (103), a rotating shaft (104) is fixedly inserted between the two center connecting arc blocks (101), the rotating shaft (104) is rotationally connected between the inner walls of the two sides of the support frame (2), the two ends of the peripheral connecting arc block (102) are fixedly inserted with an amplitude modulation assembly (3), the amplitude modulation assembly (3) comprises two hydraulic oil cylinders (301), the hydraulic oil cylinder (301) is fixedly inserted in the peripheral connecting arc block (102), the hydraulic oil cylinder (301) is slidably connected with a piston (304), a liquid distribution head (302) is arranged between the two hydraulic oil cylinders (301), a liquid distribution pipe (303) is sealingly inserted between the liquid distribution head (302) and one end of the hydraulic oil cylinder (301), and a connecting pipe (305) is sealingly inserted at the bottom of the liquid distribution head (302).

2. A vibratory compactor amplitude modulation device as set forth in claim 1, wherein, The two outer walls of the support frame (2) are fixedly connected with a hydraulic oil tank (4), one end of the outer wall of the hydraulic oil tank (4) is fixedly connected with a first pump body (7) and a second pump body (10), the liquid inlet end of the first pump body (7) is sealingly inserted with a first liquid inlet pipe (8), the other end of the first liquid inlet pipe (8) is inserted with the hydraulic oil tank (4), and the liquid outlet end of the first pump body (7) is sealingly inserted with a first liquid outlet pipe (9).

3. A vibratory compactor amplitude modulation device as set forth in claim 2, wherein, The liquid outlet end of the second pump body (10) is sealingly inserted with a second liquid outlet pipe (12), the other end of the second liquid outlet pipe (12) is inserted with one side of the hydraulic oil tank (4), and the liquid inlet end of the second pump body (10) is sealingly inserted with a second liquid inlet pipe (11).

4. A vibratory compactor amplitude modulation device as set forth in claim 3, wherein, The other end of the first liquid outlet pipe (9) and the other end of the second liquid inlet pipe (11) are both connected with an electric valve (6) through a flange, a three-way pipe (5) is connected between the two electric valves (6) through a flange, and the other end of the three-way pipe (5) is rotationally inserted with the other end of the connecting pipe (305).

5. The amplitude modulation device for a vibratory roller according to claim 1, wherein One end of the hydraulic oil cylinder (301) is threadedly sleeved with a limiting cover (13).

6. The amplitude modulation device for a vibratory roller according to claim 1, wherein The liquid distribution head (302) is a spherical structure.

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