CN210839130U

CN210839130U - Engine base for wind driven generator with good damping performance

Info

Publication number: CN210839130U
Application number: CN201922467571.7U
Authority: CN
Inventors: 山建强
Original assignee: Changshu Hengkang Machinery Manufacturing Co ltd
Current assignee: Changshu Hengkang Machinery Manufacturing Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-06-23
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a frame for a wind driven generator with good damping performance, which relates to the technical field of wind driven generator design, and aims at the problem of larger vibration, the scheme is proposed, which comprises a fixed rod, a buffer ring is fixed on the upper side of the fixed rod, a connecting rod is placed on the upper side of the buffer ring, a mounting groove is arranged in the connecting rod, a buffer device fixedly connected with the fixed rod and the connecting rod is arranged in the mounting groove, the lower side of the connecting rod is sleeved with the fixed rod in a sliding way, a connecting groove is arranged in the fixed rod, the groove wall of the connecting groove is connected with a guide pipe, the other end of the guide pipe is communicated with a storage cavity positioned in the fixed rod, the upper end of the connecting rod is fixedly connected with a frame main body, the utility model has simple structure and convenient use, reduces the amplitude, the stability of the device is improved, the service life of the whole device is prolonged, and the danger is reduced.

Description

Engine base for wind driven generator with good damping performance

Technical Field

The utility model relates to a aerogenerator designs technical field, especially relates to a frame for aerogenerator that damping performance is good.

Background

The wind driven generator is an electric device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate, and finally outputs alternating current, wherein the rotor, a speed reducer and a shell jointly form a main body of the wind driven generator to form a base, so that the wind driven generator is convenient to mount and fix in a concentrated mode.

However, due to manufacturing and installation errors, the whole power generation device can generate certain errors, certain vibration is caused in the subsequent use process, long-time vibration can cause looseness of fixed objects such as bolts fixed on the ground, frequent overhaul is needed, and the arrangement can cause integral inclination.

SUMMERY OF THE UTILITY MODEL

The utility model provides a frame for aerogenerator that damping performance is good has solved the great problem of vibrations.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the base for the wind driven generator with good damping performance comprises a fixed rod, wherein a buffer ring is fixed on the upper side of the fixed rod, a connecting rod is arranged on the upper side of the buffer ring, an installation groove is arranged in the connecting rod, a buffer device fixedly connected with the fixed rod and the connecting rod is arranged in the installation groove, the lower side of the connecting rod is sleeved with a fixed rod in a sliding way, a connecting groove is arranged in the fixed rod, the groove wall of the connecting groove is connected with a guide pipe, the other end of the guide tube is communicated with a storage cavity positioned in the fixed rod, the upper end of the connecting rod is fixedly connected with a machine base main body, the inner wall of the machine base main body is fixedly connected with a cushion pad, a power generation device is sleeved in the cushion pad, the outer wall fixed connection of dead lever has a limit circle, the upside of limit circle is connected with the pneumatic cylinder through the hinge rotation, and the other end and the frame main part of pneumatic cylinder rotate to be connected.

Preferably, the buffer device comprises a fixed cylinder fixedly connected with the fixed rod, a movable cavity is arranged in the fixed cylinder, a movable rod which is slidably sleeved with the fixed cylinder is arranged in the movable cavity, a first spring fixedly connected with the bottom of the movable rod and the fixed cylinder is arranged at the bottom of the movable rod, a liquid guide groove communicated with the movable cavity is arranged in the fixed cylinder, and the other end of the liquid guide groove is communicated with an accommodating cavity located in the fixed cylinder.

Preferably, the buffer pad and the buffer ring both comprise rubber layers arranged in parallel, a second spring is fixedly connected between the two rubber layers, and liquid is filled between the two rubber layers.

Preferably, the moving cavity and the accommodating cavity are both provided with buffer oil, and the moving rod is of a cylindrical structure.

Preferably, the guide tube adopts an S-shaped structure, and buffer solutions are arranged in the connecting groove and the storage cavity.

Preferably, the cross section of the connecting rod adopts a T-shaped structure, and the connecting groove adopts a hexagonal structure.

The utility model has the advantages that:

1. carry out multiple buffering through blotter, buffering circle, buffer, pneumatic cylinder etc. and can turn into internal energy with the produced impact energy of vibrations and give off, and then reduce the range and the frequency of vibrations, improve the performance of device, increase the stability of device, and then prolong the life of whole device, reduce dangerous emergence.

2. Through the connection of buffer and pneumatic cylinder, the injecture of connecting rod simultaneously, can conveniently carry out the fixed of frame, the process of easy to assemble makes things convenient for subsequent maintenance and dismantlement.

Drawings

Fig. 1 is a schematic front view of a base for a wind turbine generator with good damping performance according to the present invention;

fig. 2 is a left side cross-sectional view of a base for a wind power generator with good damping performance according to the present invention;

fig. 3 is a schematic front sectional view of a damping device of a base for a wind turbine generator with good damping performance according to the present invention;

fig. 4 is a schematic front view of the cushion pad of the base for the wind driven generator with good damping performance.

Reference numbers in the figures: the device comprises a fixing rod 1, a buffer ring 2, a connecting rod 3, a buffer pad 4, a base main body 5, a power generation device 6, a mounting groove 7, a buffer device 8, a connecting groove 9, a guide pipe 10, a storage cavity 11, a limiting ring 12, a hydraulic cylinder 13, a rubber layer 41, a second spring 42, a fixing cylinder 81, a moving rod 82, a first spring 83, a moving cavity 84 and a storage cavity 85.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a base for a wind power generator with good damping performance comprises a fixing rod 1, a buffer ring 2 is fixed on the upper side of the fixing rod 1, a connecting rod 3 is placed on the upper side of the buffer ring 2, a mounting groove 7 is arranged in the connecting rod 3, a buffer device 8 fixedly connected with the fixing rod 1 and the connecting rod 3 is arranged in the mounting groove 7, the lower side of the connecting rod 3 is in sliding sleeve connection with the fixing rod 1, a connecting groove 9 is arranged in the fixing rod 1, a guide pipe 10 is connected with the groove wall of the connecting groove 9, the other end of the guide pipe 10 is communicated with a storage cavity 11 positioned in the fixing rod 1, a base main body 5 is fixedly connected with the upper end of the connecting rod 3, a buffer pad 4 is fixedly connected with the inner wall of the base main body 5, a power generation device 6 is sleeved in the, the other end of the hydraulic cylinder 13 is rotatably connected with the machine base main body 5, the guide pipe 10 adopts an S-shaped structure, buffer solutions are arranged in the connecting groove 9 and the storage cavity 11, when the buffer solutions are installed, firstly, the power generation device 6 with the buffer cushion 4 is installed in the base main body 5, then, the fixed rod 1 and the connecting rod 3 are connected by the buffer device 8, the buffer ring 2 and the base main body 5 are mutually extruded, meanwhile, one end of the connecting rod 3 extends into the connecting groove 9 to be connected, when vertical vibration is possibly generated, the buffer cushion 4 carries out buffering of a first layer, then, buffering of a second layer is carried out through the buffer ring 2 and the buffer device 8, meanwhile, liquid in the connecting groove 9 is extruded and enters the storage cavity 11 through the communication of the connecting groove 9, and as the connecting groove 9 has a small pipe diameter and a small compressible volume of the liquid, part of impact energy in the connecting, the discharge is carried out, and then subsequent vibrations are reduced, and the stability of device is guaranteed, when shaking about, because the limited of connecting rod 3, the vibrations that probably produce are less, and remaining energy conducts on pneumatic cylinder 13, and the liquid in pneumatic cylinder 13 carries out the buffering and absorbs of energy, and pneumatic cylinder 13 guarantees the stability of base main part 5 position simultaneously.

The buffer device comprises a fixed cylinder 81 fixedly connected with the fixed rod 1, a moving cavity 84 is arranged in the fixed cylinder 81, a moving rod 82 which is in sliding sleeve joint with the fixed cylinder 81 is arranged in the moving cavity 84, a first spring 83 fixedly connected with the fixed cylinder 81 is fixedly connected with the bottom of the moving rod 82, a liquid guide groove 86 communicated with the moving cavity 84 is arranged in the fixed cylinder 81, the other end of the liquid guide groove 86 is communicated with a containing cavity 85 positioned in the fixed cylinder 81, buffer oil is respectively arranged in the moving cavity 84 and the containing cavity 85, the moving rod 82 adopts a cylindrical structure, in case of vibration, impact energy is transmitted to the moving rod 82 through the connecting rod 3, and the amplitude of vibration is reduced through the first heavy buffering of the inner first spring 83, meanwhile, through the communication of the liquid guide groove 86, the liquid is compressed to a certain degree, so that the impact energy is converted into internal energy, and the continuous input of the energy is reduced.

Cushion 4 and cushion collar 2 all include parallel arrangement's rubber layer 41, fixedly connected with second spring 42 between two rubber layers 41, and it has liquid to fill between two rubber layers 41, through the buffering and the energy-absorbing of rubber layer, second spring 42 and liquid, reduces the range and the frequency of vibrations, and then reduces the produced injury of vibrations.

The cross section of connecting rod 3 adopts T shape structure, and spread groove 9 adopts the hexagon structure.

The working principle is as follows: when the shock absorber is used, the buffer cushion 4 carries out buffering of a first layer, then the buffer cushion carries out buffering of a second layer through the buffer ring 2 and the buffer device 8, meanwhile, liquid in the connecting groove 9 is extruded and enters the storage cavity 11 through the communication of the connecting groove 9, as the pipe diameter of the connecting groove 9 is small and the volume of the compressible liquid is small, part of shock energy in the connecting groove 9 is converted into internal energy to be discharged, further subsequent shock is reduced, the stability of the device is ensured, when the shock absorber vibrates left and right, the shock which is possibly generated is small due to the limitation of the connecting rod 3, the residual energy is transmitted to the hydraulic cylinder 13, the liquid in the hydraulic cylinder 13 carries out energy buffering and absorption, meanwhile, the hydraulic cylinder 13 ensures the stability of the position of the base main body 5, wherein when the shock energy is transmitted to the moving rod 82 through the connecting rod 3, the shock amplitude is reduced, meanwhile, through the communication of the liquid guide groove 86, the liquid is compressed to a certain degree, so that the impact energy is converted into internal energy, and the continuous input of the energy is reduced.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The base for the wind driven generator with good damping performance comprises a fixed rod (1) and is characterized in that a buffer ring (2) is fixed on the upper side of the fixed rod (1), a connecting rod (3) is placed on the upper side of the buffer ring (2), a mounting groove (7) is formed in the connecting rod (3), a buffer device (8) fixedly connected with the fixed rod (1) and the connecting rod (3) is arranged in the mounting groove (7), the lower side of the connecting rod (3) is in sliding sleeve connection with the fixed rod (1), a connecting groove (9) is formed in the fixed rod (1), the groove wall of the connecting groove (9) is connected with a guide pipe (10), the other end of the guide pipe (10) is communicated with a storage cavity (11) located in the fixed rod (1), the upper end of the connecting rod (3) is fixedly connected with a base main body (5), and a cushion (4) is fixedly connected with the, the power generation device (6) is sleeved in the cushion pad (4), the outer wall of the fixing rod (1) is fixedly connected with a limiting ring (12), the upper side of the limiting ring (12) is rotatably connected with a hydraulic cylinder (13) through a hinge, and the other end of the hydraulic cylinder (13) is rotatably connected with the machine base main body (5).

2. The base for the wind driven generator with good shock absorption performance according to claim 1, wherein the buffer device comprises a fixed cylinder (81) fixedly connected with the fixed rod (1), a moving cavity (84) is arranged in the fixed cylinder (81), a moving rod (82) slidably sleeved with the fixed cylinder (81) is arranged in the moving cavity (84), a first spring (83) fixedly connected with the fixed cylinder (81) is fixedly connected to the bottom of the moving rod (82), a liquid guide groove (86) communicated with the moving cavity (84) is arranged in the fixed cylinder (81), and the other end of the liquid guide groove (86) is communicated with a storage cavity (85) positioned in the fixed cylinder (81).

3. The base for the wind driven generator with good shock absorption performance as claimed in claim 1, wherein the buffer cushion (4) and the buffer ring (2) comprise rubber layers (41) arranged in parallel, a second spring (42) is fixedly connected between the two rubber layers (41), and a liquid is filled between the two rubber layers (41).

4. The base for the wind driven generator with good shock absorption performance as claimed in claim 2, wherein the moving cavity (84) and the receiving cavity (85) are both provided with buffer oil, and the moving rod (82) adopts a cylindrical structure.

5. The foundation for a wind driven generator with good damping performance as claimed in claim 1, wherein said guiding tube (10) is of S-shaped structure, and said connecting groove (9) and said storage chamber (11) are provided with damping fluid.

6. The foundation for a wind driven generator with good shock absorption performance as claimed in claim 1, wherein the cross section of said connecting rod (3) adopts a T-shaped structure, and said connecting groove (9) adopts a hexagonal structure.