A bushing extraction device

Abstract

The application discloses a shaft sleeve taking-out device and relates to the technical field of wind power equipment maintenance, which applies a telescopic mechanism and a power mechanism. The first movable mechanism and the second movable mechanism of the telescopic mechanism are driven to move relatively by the power mechanism, and then a push-out rod is driven to move. At the same time, the push-out rod is provided with a counterforce by being clamped with a clamping mechanism and a shaft sleeve mounting seat, so that the purpose of pushing out the shaft sleeve is achieved. A fine adjustment bolt is arranged between the clamping mechanism and the first movable mechanism, and the distance and the angle between the clamping mechanism and the first movable mechanism are adjusted through the fine adjustment bolt, so that the push-out rod can move along the axial direction of the shaft sleeve, and then the shaft sleeve is separated from the shaft sleeve mounting seat.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wind power equipment maintenance, in particular to a shaft sleeve taking-out device. BACKGROUND

[0002] The wind turbine is a power equipment which converts wind energy into mechanical work, and the mechanical work drives the rotor to rotate, and finally outputs alternating current. The wind turbine generally comprises a wind wheel, a generator (including a device), a direction regulator (a tail wing), a tower, a speed-limiting safety mechanism and an energy storage device.

[0003] In the structure of the wind turbine, various shaft sleeves are applied, and the functions of the shaft sleeves include: 1, reducing the wear of the shaft and the seat; 2, fixing the position; 3, bearing sliding; 4, heat dissipation; 5, reducing friction. The shaft sleeve is a cylindrical mechanical part which is sleeved on the rotating shaft and is a component part of the sliding bearing.

[0004] Generally, the shaft sleeve and the shaft sleeve mounting seat adopt interference fit, and the shaft adopts clearance fit. When the wind turbine is maintained, the shaft sleeve with interference fit needs to be disassembled, and the conventional disassembly mode is to knock the shaft sleeve by artificial knocking, which is relatively simple, but since the knocking direction is not completely parallel to the axial direction of the shaft sleeve, the shaft sleeve and the shaft sleeve mounting seat are scratched and damaged during the process of the shaft sleeve being separated from the shaft sleeve mounting seat. In order to avoid this problem, an auxiliary device for taking out the shaft sleeve by the operator is urgently needed. SUMMARY

[0005] The purpose of the present application is to provide a device for assisting the operator to take out the shaft sleeve in the wind turbine.

[0006] Therefore, the present application discloses a shaft sleeve taking-out device, which comprises:

[0007] The telescopic mechanism comprises a first movable mechanism and a second movable mechanism, and the first movable mechanism and the second movable mechanism can be limited to move relative to each other;

[0008] The clamping mechanism is connected with the first movable mechanism of the telescopic mechanism and is used for fixing the shaft sleeve mounting seat;

[0009] The push-out rod is arranged at one end of the second movable mechanism and is connected with the shaft sleeve at the other end of the second movable mechanism, and the push-out rod is driven by the second movable mechanism to move along the axial direction of the shaft sleeve;

[0010] The power mechanism is connected with the telescopic mechanism and is used for driving the first movable mechanism and the second movable mechanism of the telescopic mechanism to move relative to each other;

[0011] The clamping mechanism and the first movable mechanism are provided with several fine adjustment bolts, the fine adjustment bolts are threadedly connected with the clamping mechanism and the first movable mechanism respectively, and when the fine adjustment bolts rotate, the distance between the clamping mechanism and the first movable mechanism can be adjusted.

[0012] In some embodiments of the present application, in order to finely adjust the distance between the clamping mechanism and the first movable mechanism, several structures suitable for the fine adjustment bolts are disclosed, the side of the first movable mechanism is provided with an annular plate, a plurality of first threaded pipes are arranged in an annular array between the upper and lower surfaces of the annular plate, and the fine adjustment bolts are threadedly connected in the first threaded pipes.

[0013] One end of the clamping mechanism is provided with a plurality of movable ports in an annular array, a second threaded pipe is rotatably connected in each movable port, and the fine adjustment bolt is threadedly connected in the second threaded pipe.

[0014] In some embodiments of the present application, in order to improve the durability of the fine adjustment bolt, the fine adjustment bolt is improved, and the fine adjustment bolt is an elastic bolt.

[0015] In some embodiments of the present application, in order to facilitate the operator to rotate the fine adjustment bolt, the fine adjustment bolt is improved, and the end of the fine adjustment bolt is provided with a first hand wheel.

[0016] In some embodiments of the present application, in order to avoid self-rotation of the fine adjustment bolt, the following adaptive structure is disclosed, the shaft center of the first hand wheel is further provided with an anti-rotation rod, and the end of the anti-rotation rod is provided with a semi-elliptical head.

[0017] The side of the first movable mechanism is provided with a vertical plate, the vertical plate is provided with an elastic box, the elastic box comprises a first shell and a second shell, the second shell is limitingly and slidably connected in the first shell, and a spring in a compressed state is further arranged between the first shell and the second shell.

[0018] The end of the second shell opposite to the semi-elliptical head is provided with an arc-shaped groove, and the opposite surfaces of the arc-shaped groove and the semi-elliptical head are both provided with frosted surfaces.

[0019] In some embodiments of the present application, the specific structure of the telescopic mechanism is disclosed, the first movable mechanism comprises a sleeve barrel, and the inner side of the sleeve barrel is provided with a plurality of slideways.

[0020] The second movable mechanism comprises a sliding cylinder, the side of the sliding cylinder is provided with a limiting protrusion, the limiting protrusion is embedded in the slideway, and the middle of the sliding cylinder is provided with a third threaded pipe.

[0021] The power mechanism comprises a motor arranged at the side of the tub, and an output shaft of the motor is connected with a screw rod which is threadedly connected in the third threaded pipe.

[0022] In some embodiments of the present application, in order to avoid the rotational friction between the ejection rod and the shaft sleeve caused by the rotation of the shaft sleeve during the process of ejecting the shaft sleeve, the ejection rod is improved as follows: the end of the ejection rod is provided with a rotating seat, the rotating seat comprises a rotating base and a rotating top, a circular truncated cone inner groove is arranged in the middle of the rotating base, the rotating top is in the shape of a circular truncated cone and is matched with the circular truncated cone inner groove, and the rotating top is rotatably connected in the circular truncated cone inner groove, and the arc surfaces of the circular truncated cone inner groove are uniformly provided with a plurality of rotating rollers which are rotatably connected between the rotating base and the rotating top.

[0023] In some embodiments of the present application, in order to facilitate the display of whether the ejection rod moves along the radial direction of the shaft sleeve, the related structure of the ejection rod is improved as follows: one end of the rotating seat is provided with a contact head, and the end of the contact head is radially slidably connected with a contact piece.

[0024] In some embodiments of the present application, the specific structure of the clamping mechanism is disclosed, the clamping mechanism comprises a plate body which is threadedly connected with the fine adjustment bolt, and an opening is arranged in the middle of the plate body for the ejection rod to pass through.

[0025] The side of the clamping plate is provided with a plurality of first clamping plates, the end of the first clamping plate is slidably connected with a second clamping plate, the end of the second clamping plate is blocked at one end of the shaft sleeve mounting seat opposite to the ejection rod, the end of the second clamping plate is rotatably connected with a positioning bolt, and the positioning bolt is also threadedly connected in the first clamping plate.

[0026] In some embodiments of the present application, in order to facilitate the operator to rotate the positioning screw, the following structure is disclosed: the end of the positioning bolt is provided with a second hand wheel.

[0027] The present application discloses a shaft sleeve ejection device, which has the following advantages compared with the conventional manual knocking method for taking out the shaft sleeve:

[0028] 1. The telescopic mechanism and the power mechanism are applied, the first movable mechanism and the second movable mechanism of the telescopic mechanism are relatively moved by the power mechanism, and then the ejection rod is moved, at the same time, the shaft sleeve mounting seat is clamped by the clamping mechanism to provide the counterforce of the ejection rod, so as to achieve the purpose of ejecting the shaft sleeve.

[0029] 2. A fine adjustment bolt is arranged between the clamping mechanism and the first movable mechanism, and the distance and angle between the clamping mechanism and the first movable mechanism are adjusted through the fine adjustment bolt, so that the push-out rod can move along the axial direction of the shaft sleeve, and then the shaft sleeve is separated from the shaft sleeve mounting seat.

[0030] The technical solutions of the present application are described in further detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 Fig. 1 is a structural schematic diagram of a shaft sleeve extraction device according to an embodiment of the present application.

[0032] Figure 2 Fig. 2 is an enlarged schematic diagram of position A in Fig. 1. Figure 1

[0033] Figure 3 Fig. 3 is an enlarged schematic diagram of position B in Fig. 1. Figure 1

[0034] Figure 4 Fig. 4 is an appearance diagram of a shaft sleeve extraction device according to an embodiment of the present application.

[0035] LIST OF REFERENCE NUMERALS

[0036] 1, shaft sleeve mounting seat; 2, push-out rod; 3, shaft sleeve; 4, fine adjustment bolt; 5, annular plate; 6, first threaded tube; 7, movable port; 8, second threaded tube; 9, first hand wheel; 10, anti-rotation rod; 11, semi-elliptical head; 12, vertical plate; 13, first housing; 14, second housing; 15, spring; 16, arc-shaped groove; 17, sleeve barrel; 18, slide way; 19, sliding cylinder; 20, limiting protrusion; 21, third threaded tube; 22, motor; 23, screw rod; 24, rotating base; 25, rotating top; 26, circular truncated cone inner groove; 27, rotating roller; 28, contact head; 29, contact sheet; 30, plate body; 31, opening; 32, first clamping plate; 33, second clamping plate; 34, positioning bolt; 35, second hand wheel. DETAILED DESCRIPTION

[0037] The technical solutions of the present application are described in further detail below with reference to the drawings and embodiments.

[0038] ​​Unless otherwise defined, technical terms or scientific terms used in the present application shall have the ordinary meaning as understood by a person having ordinary skill in the art to which the present application pertains. The terms "first", "second", and similar terms used in the present application do not denote any order, quantity, or importance, but are used to distinguish different components. The terms "include", "contain", and similar terms mean that the elements or objects before the terms encompass the elements or objects listed after the terms and their equivalents, and do not exclude other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute positions of the described objects are changed, the relative positional relationships can also be changed accordingly.

[0039] Embodiment:

[0040] The purpose of the present application is to provide a shaft sleeve extraction device, including a telescopic mechanism, a clamping mechanism, a push-out rod, and a power mechanism.

[0041] The telescopic mechanism includes a first movable mechanism and a second movable mechanism, and the first movable mechanism and the second movable mechanism can be limited to move relative to each other.

[0042] The clamping mechanism is connected with the first movable mechanism of the telescopic mechanism, and is used to fix the shaft sleeve mounting seat 1.

[0043] The push-out rod 2 is arranged at one end of the second movable mechanism, and is butted against the shaft sleeve 3 relative to one end of the second movable mechanism. The push-out rod 2 is driven by the second movable mechanism to move along the axial direction of the shaft sleeve 3.

[0044] The power mechanism is connected with the telescopic mechanism, and is used to drive the first movable mechanism and the second movable mechanism of the telescopic mechanism to move relative to each other.

[0045] Among them, a plurality of fine adjustment bolts 4 are arranged between the clamping mechanism and the first movable mechanism, and the fine adjustment bolts 4 are respectively threadedly connected with the clamping mechanism and the first movable mechanism, so that when the fine adjustment bolts 4 are rotated, the distance between the clamping mechanism and the first movable mechanism can be adjusted.

[0046] Among them, the power mechanism can be a combination of a motor 22 and a speed reducer, can be the motor 22 itself, or can be a telescopic oil or gas cylinder.

[0047] In the application, the power mechanism is driven to drive the first movable mechanism and the second movable mechanism of the telescopic mechanism to move relatively, and the second movable mechanism drives the push rod 2 to move. Before this, the shaft sleeve mounting seat 1 is clamped on the clamping mechanism. During the movement of the push rod 2, the shaft sleeve 3 is pushed to be separated from the shaft sleeve mounting seat 1. During this process, the fine adjustment bolt 4 can be adjusted to determine that the push rod 2 can move along the axial direction of the shaft sleeve 3, thereby reducing the damage to itself during the separation of the shaft sleeve 3 and the shaft sleeve mounting seat 1.

[0048] In some embodiments of the present application, the side of the first movable mechanism is provided with an annular plate 5, and a plurality of first threaded pipes 6 are arranged in an annular array between the upper and lower surfaces of the annular plate 5. The fine adjustment bolt 4 is screwed into the first threaded pipe 6.

[0049] One end of the clamping mechanism is provided with a plurality of movable openings 7 in an annular array. The movable opening 7 is rotatably connected with a second threaded pipe 8. The fine adjustment bolt 4 is screwed into the second threaded pipe 8.

[0050] The above structure reduces the degree of bending of the fine adjustment bolt 4 due to the offset of the first movable mechanism and the clamping mechanism in the direction perpendicular to the fine adjustment bolt 4 when the fine adjustment bolt 4 is screwed, and reduces the damage to the fine adjustment bolt 4 and the first threaded pipe 6 and the second threaded pipe 8.

[0051] In some embodiments of the present application, the fine adjustment bolt 4 is an elastic bolt. Further damage to the fine adjustment bolt 4 due to bending is avoided.

[0052] In some embodiments of the present application, the end of the fine adjustment bolt 4 is provided with a first hand wheel 9. The first hand wheel 9 is used to facilitate the operator to screw the fine adjustment bolt 4.

[0053] In some embodiments of the present application, the shaft center of the first hand wheel 9 is further provided with an anti-rotation rod 10, and the end of the anti-rotation rod 10 is provided with a semi-elliptical head 11. The side of the first movable mechanism is provided with a vertical plate 12, and the side of the vertical plate 12 is provided with an elastic box. The elastic box includes a first housing 13 and a second housing 14. The second housing 14 is limitingly and slidingly connected in the first housing 13. A spring 15 in a compressed state is further arranged between the first housing 13 and the second housing 14. The end of the second housing 14 opposite to the semi-elliptical head 11 is provided with an arc-shaped groove 16. The opposite surfaces of the arc-shaped groove 16 and the semi-elliptical head 11 are both provided with frosted surfaces.

[0054] When the rotating handle is rotated, the second shell 14 is moved towards the first shell 13, so that the arc-shaped groove 16 and the semi-elliptical head 11 are separated, and after the fine adjustment of the fine adjustment bolt 4 is completed, the second shell 14 is released, and under the elastic force of the spring 15, the arc-shaped groove 16 of the second shell 14 contacts the semi-elliptical head 11, and under the resistance caused by the sanding surface, the self-rotation of the fine adjustment bolt 4 due to large force is avoided.

[0055] In some embodiments of the present application, the first movable mechanism comprises a sleeve barrel 17, and a plurality of slides 18 are arranged on the inner side of the sleeve barrel 17.

[0056] The second movable mechanism comprises a sliding cylinder 19, a limiting protrusion 20 is arranged on the side of the sliding cylinder 19, the limiting protrusion 20 is embedded in the slide 18, so that the sliding cylinder 19 moves linearly relative to the sleeve, and a third threaded pipe 21 is arranged in the middle of the sliding cylinder 19; the power mechanism comprises a motor 22, the motor 22 is arranged on the side of the sleeve barrel 17, the output shaft of the motor 22 is connected with a screw rod 23, and the screw rod 23 is threadedly connected in the third threaded pipe 21.

[0057] When the telescopic mechanism is applied, the motor 22 is driven to rotate the screw rod 23, the screw rod 23 rotates relative to the third threaded pipe 21, so that the two generate axial movement, and then the sliding cylinder 19 moves relative to the sleeve barrel 17.

[0058] In some embodiments of the present application, the end of the push-out rod 2 is provided with a rotating seat, the rotating seat comprises a rotating base 24 and a rotating top 25, a circular truncated cone-shaped inner groove 26 is arranged in the middle of the rotating base 24, the rotating top 25 is circular truncated cone-shaped and matched with the circular truncated cone-shaped inner groove 26, and the rotating top 25 is rotatably connected in the circular truncated cone-shaped inner groove 26, and the arc surfaces of the circular truncated cone-shaped inner groove 26 are uniformly provided with a plurality of rotating rollers 27, and the rotating rollers 27 are rotatably connected between the rotating base 24 and the rotating top 25.

[0059] During the movement of the push-out rod 2 pushing the shaft sleeve 3, the shaft sleeve 3 rotates relative to the shaft sleeve mounting seat 1, in order to avoid the wear caused by the relative rotation of the push-out rod 2 and the shaft sleeve 3, the rotating friction is eliminated through the rotating seat.

[0060] In some embodiments of the present application, in order to facilitate the operator to determine that the push-out rod 2 can move along the direction of the shaft sleeve 3, one end of the rotating seat is provided with a contact head 28, and the end of the contact head 28 is radially and slidingly connected with a contact piece 29.

[0061] When the contact piece 29 contacts the shaft sleeve 3, the contact piece 29 is matched with the contact head 28, if the contact piece 29 moves relative to the contact head 28 when the shaft sleeve 3 is pushed out, it is determined that the shaft sleeve 3 is not forced along the axial direction of itself, so the fine adjustment bolt 4 needs to be adjusted according to the situation that the contact piece 29 deviates from the contact head 28, and the direction in which the push-out rod 2 pushes out the shaft sleeve 3 is controlled.

[0062] In some embodiments of the present application, the clamping mechanism comprises a plate body 30 which is threadedly connected with the fine adjustment bolt 4, and the plate body 30 is provided with an opening 31 in the middle, and the opening 31 is for the push-out rod 2 to pass through; the side of the clamping plate is provided with a plurality of first clamping plates 32, the end of the first clamping plate 32 is slidingly connected with a second clamping plate 33, the end of the second clamping plate 33 is blocked at one end of the shaft sleeve mounting seat 1 and is opposite to the push-out rod 2, the end of the second clamping plate 33 is rotationally connected with a positioning bolt 34, and the positioning bolt 34 is also threadedly connected in the first clamping plate 32.

[0063] The positioning bolt 34 is screwed to make the positioning bolt 34 move relative to the first clamping plate 32, thereby driving the second clamping plate 33 to move relative to the first clamping plate 32, and thereby making the clamping mechanism adapt to the shaft sleeve mounting seat 1.

[0064] In some embodiments of the present application, the end of the positioning bolt 34 is provided with a second hand wheel 35 to facilitate the operator to rotate the positioning bolt 34.

[0065] The present application discloses a shaft sleeve taking-out device, compared with the conventional manual knocking to take out the shaft sleeve, has the following advantages:

[0066] 1. The telescopic mechanism and the power mechanism are applied, the first movable mechanism and the second movable mechanism of the telescopic mechanism are driven to move relative to each other by the power mechanism, thereby driving the push-out rod to move, at the same time, the push-out rod is clamped with the shaft sleeve mounting seat by the clamping mechanism, the counterforce of the push-out rod is provided, and the purpose of pushing out the shaft sleeve is achieved.

[0067] 2. The fine adjustment bolt is arranged between the clamping mechanism and the first movable mechanism, and the distance and the angle between the clamping mechanism and the first movable mechanism are adjusted by the fine adjustment bolt, so that the push-out rod can move along the axial direction of the shaft sleeve, thereby pushing out the shaft sleeve from the shaft sleeve mounting seat.

[0068] It should be pointed out finally that the above examples are only used to illustrate the technical solutions of the present application but not to limit it, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can still be modified or replaced equivalently, and these modifications or equivalent replacements should not make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A bushing extraction device, characterized by, The utility model relates to a telescopic mechanism, including first movable mechanism and second movable mechanism, and first movable mechanism and second movable mechanism can be opposite limit motion; Clamp mechanism is connected with first movable mechanism of telescopic mechanism, is used for fixed axle sleeve mounting seat; Push rod is arranged in one end of second movable mechanism, and one end of push rod is butted in axle sleeve relative to one end of second movable mechanism, push rod is driven by second movable mechanism to move along the axial direction of axle sleeve; Power mechanism is connected with telescopic mechanism, is used for driving first movable mechanism and second movable mechanism of telescopic mechanism to move relative; Wherein, a plurality of fine adjustment bolts are arranged between the clamp mechanism and the first movable mechanism, the fine adjustment bolts are respectively threadedly connected with the clamp mechanism and the first movable mechanism, so that when the fine adjustment bolts are rotated, the distance between the clamp mechanism and the first movable mechanism can be adjusted; The end of the push rod is provided with a rotating seat, the rotating seat includes a rotating base and a rotating top, a circular truncated cone-shaped inner groove is arranged in the middle of the rotating base, the rotating top is circular truncated cone-shaped and matched with the circular truncated cone-shaped inner groove, and the rotating top is rotatably connected in the circular truncated cone-shaped inner groove, the arc surfaces of the circular truncated cone-shaped inner groove are uniformly provided with a plurality of rotating rollers, and the rotating rollers are rotatably connected between the rotating base and the rotating top. One end of the rotating seat is provided with a contact head, and the end of the contact head is radially slidably connected with a contact piece. The side of the first movable mechanism is provided with an annular plate, a plurality of first threaded tubes are arranged in an annular array between the upper and lower surfaces of the annular plate, and the fine adjustment bolts are threadedly connected in the first threaded tubes.

2. A bushing extraction device according to claim 1, wherein, One end of the clamp mechanism is provided with a plurality of movable openings in an annular array, a second threaded tube is rotatably connected in the movable opening, and the fine adjustment bolt is threadedly connected in the second threaded tube. The fine adjustment bolt is an elastic bolt.

3. A bushing extraction device according to claim 2, wherein, The end of the fine adjustment bolt is provided with a first hand wheel.

4. A bushing extraction device according to claim 3, wherein, The shaft center of the first hand wheel is further provided with an anti-rotation rod, and the end of the anti-rotation rod is provided with a semi-elliptical head.

5. A bushing extraction device according to claim 4, wherein, The side of the first movable mechanism is provided with a vertical plate, the side of the vertical plate is provided with an elastic box, the elastic box includes a first shell and a second shell, the second shell is limitingly and slidably connected in the first shell, and a spring in a compressed state is further arranged between the first shell and the second shell. The end opposite to the semi-elliptical head of the second shell is provided with an arc-shaped groove, and the opposite surfaces of the arc-shaped groove and the semi-elliptical head are both provided with frosted surfaces. The first movable mechanism includes a sleeve barrel, and a plurality of slides are arranged on the inner side of the sleeve barrel.

6. A bushing extraction device according to claim 1, wherein, The second movable mechanism includes a sliding cylinder, a limiting protrusion is arranged on the side of the sliding cylinder, the limiting protrusion is embedded in the slide, and a third threaded tube is arranged in the middle of the sliding cylinder. The power mechanism includes a motor, the motor is arranged on the side of the sleeve barrel, a screw rod is connected with the output shaft of the motor, and the screw rod is threadedly connected in the third threaded tube. The clamp mechanism includes a plate body threadedly connected with the fine adjustment bolt, an opening is arranged in the middle of the plate body, and the opening is used for the push rod to pass through.

7. A bushing extraction device according to claim 1, wherein, ​ The side of the clamping mechanism is provided with a plurality of first clamping plates, the end of the first clamping plate is slidingly connected with a second clamping plate, the end of the second clamping plate is blocked at one end of a shaft sleeve mounting seat, opposite to the push-out rod, the end of the second clamping plate is rotatably connected with a positioning bolt, and the positioning bolt is also threadedly connected in the first clamping plate.

8. A bushing extraction device according to claim 7, wherein, The end of the positioning bolt is provided with a second hand wheel.

Images