CN217720882U - Rear end cover structure of variable pitch motor - Google Patents

Abstract

The utility model discloses a rear end cap structure of variable pitch motor, including motor body, embedding frame and back lid body. The utility model discloses become rear end cap structure of oar motor, carbon powder enters into the cavity board from dust collecting cavity, and adsorb on the dust screen in cavity inboard, observe the inside carbon powder of cavity inboard too much from the transparent window, press the external board, external board moves the holding down plate and pushes down, the holding down plate pushes down to placeing the key, outwards take the shell out, make to placee the inside that the key left the draw-in groove, make shell and motor body alternate segregation simultaneously, take the activity picture peg out from the shell, clear up the dust of cavity inboard, this structure can observe inside circumstances in the motor function, effectually collect the carbon dust, avoid needing the clearance of high frequency, and be convenient for open the rear end cap and clear up the carbon dust.

Description

Rear end cover structure of variable pitch motor

Technical Field

The utility model relates to a become oar motor technical field specifically is a back end cover structure of oar motor.

Background

The variable pitch system is one of the core parts of a large-scale wind turbine control system, and plays an important role in safe, stable and efficient operation of the wind turbine. The stable pitch control becomes one of the hot spots and difficulties of the current large-scale wind generating set control technology research. The pitch control technology is simply that the attack angle of airflow to the blades is changed by adjusting the pitch angle of the blades, and then the aerodynamic torque and the aerodynamic power captured by the wind wheel are controlled.

However, in the prior art, the inside of the motor cannot be observed when the variable pitch motor is used, and after the motor is used for a long time, carbon powder is accumulated in the motor, frequent cleaning is needed to avoid damage to the motor, and the carbon powder in the motor is inconvenient to clean.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rear end cap structure of oar motor can observe the inside condition in the motor function, effectually collect the carbon dust, avoids needing the clearance of high frequency to be convenient for open the rear end cap and clear up the carbon dust, can solve the problem among the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the rear end cover structure of the variable pitch motor comprises a motor body, an embedded frame and a rear cover body, wherein the embedded frame is fixedly installed at the top end of the motor body, and the rear cover body is arranged behind the embedded frame;

the embedded frame comprises an external frame body, an internal frame body, a clamping groove, a lower pressing plate, a fixed rod, a reset spring, an external plate and a linkage plate, wherein the internal frame body is arranged inside the external frame body, the clamping groove is formed inside the internal frame body, the lower pressing plate is arranged inside the clamping groove, the external plate is fixedly connected to the top end of the lower pressing plate, two ends of the external plate are penetrated through by the fixed rod, the reset spring is wound on the outer side of the fixed rod, and the linkage plate is fixedly connected between the two external plates;

the back lid body includes shell, transparent window, an Chaban, an Chajian, track groove and dust guard, the transparent window has been seted up at the top of shell, the front end fixedly connected with An Chaban of shell, the top fixed mounting of ann picture peg has An Chajian, the track groove has been seted up to the bottom of shell, the bottom fixedly connected with dust guard of shell.

Preferably, the dust guard includes cavity board, activity picture peg, dust collection chamber and dust screen, the top fixed mounting of cavity board has the activity picture peg, the dust collection chamber has been seted up to the inside of cavity board, the outside in dust collection chamber is equipped with the dust screen, fixed connection between dust screen and the cavity board.

Preferably, the top end of the return spring is fixedly connected with the external plate, and the bottom end of the return spring is fixedly mounted on the internal frame.

Preferably, a top sealing plate is fixedly mounted at the top end of the fixing rod, and the diameter of the top sealing plate is larger than that of the fixing rod.

Preferably, the bottom end of the external plate is movably mounted on the fixing rod, the bottom end of the lower pressing plate is located inside the clamping groove, the top end of the external plate penetrates through the external frame body, and the linkage plate is located outside the external frame body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses become rear end cap structure of oar motor, carbon powder enters into the cavity board from dust collecting chamber, and adsorb on the dust screen at cavity inboard, observe the inside carbon powder of cavity board when too much from the transparent window, press the external board, external board drives the holding down plate and pushes down, the holding down plate pushes down to the key of placeeing, outwards take the shell out, make the key of placeeing leave the inside of draw-in groove, make shell and motor body alternate segregation simultaneously, take the activity picture peg out from the shell, clear up the dust of cavity inboard, this structure can observe inside condition when the motor functions, effectually collect the carbon dust, avoid needing the clearance of high frequency, and be convenient for open the rear end cap and clear up the carbon dust.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a cross-sectional view of the insert frame of the present invention;

fig. 3 is a side view of the rear cover body of the present invention;

fig. 4 is a schematic structural view of the dust guard of the present invention.

In the figure: 1. a motor body; 2. an embedding frame; 21. an external frame body; 22. a built-in frame body; 23. a card slot; 24. a lower pressing plate; 25. fixing the rod; 26. a return spring; 27. an external plate; 28. a linkage plate; 3. A rear cover body; 31. a housing; 32. a transparent window; 33. an Chaban; 34. an Chajian; 35. a track groove; 36. a dust-proof plate; 361. a cavity plate; 362. a movable plug board; 363. a dust collection chamber; 364. and (4) a dust screen.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a rear end cover structure of a pitch motor includes a motor body 1, an embedded frame 2 and a rear cover body 3, the embedded frame 2 is fixedly installed at the top end of the motor body 1, the rear cover body 3 is installed behind the embedded frame 2, the embedded frame 2 includes an external frame 21, an internal frame 22, a clamping groove 23, a lower pressing plate 24, a fixing rod 25, a return spring 26, an external plate 27 and a linkage plate 28, the internal frame 22 is installed inside the external frame 21, the clamping groove 23 is installed inside the internal frame 22, the lower pressing plate 24 is installed inside the clamping groove 23, the external plate 27 is fixedly connected to the top end of the lower pressing plate 24, two ends of the external plate 27 are penetrated by the fixing rod 25, a sealing plate is fixedly installed at the top end of the fixing rod 25, the diameter of the sealing plate is larger than that of the fixing rod 25, the reset spring 26 is wound on the outer side of the fixed rod 25, the linkage plate 28 is fixedly connected between the two external plates 27, the top end of the reset spring 26 is fixedly connected with the external plates 27, the bottom end of the reset spring 26 is fixedly installed on the internal frame 22, the bottom end of the external plate 27 is movably installed on the fixed rod 25, the bottom end of the lower pressing plate 24 is located inside the clamping groove 23, the top end of the external plate 27 penetrates through the external frame 21, the linkage plate 28 is located outside the external frame 21, the external plate 27 is pressed, the external plate 27 drives the lower pressing plate 24 to press down, the lower pressing plate 24 presses down the installation key 34, the shell 31 is outwards pulled out, the installation key 34 leaves the inside of the clamping groove 23, meanwhile, the shell 31 is separated from the motor body 1, the movable inserting plate 362 is pulled out of the shell 31, and dust inside the cavity plate 361 is cleaned.

Referring to fig. 3-4, the rear cover body 3 includes a housing 31, a transparent window 32, an Chaban, an inserting key 34, a rail groove 35, and a dust-proof plate 36, the top of the housing 31 is provided with the transparent window 32, the front end of the housing 31 is fixedly connected with An Chaban, the top end of the inserting plate 33 is fixedly provided with An Chajian, the bottom of the housing 31 is provided with the rail groove 35, the bottom end of the housing 31 is fixedly connected with the dust-proof plate 36, the dust-proof plate 36 includes a cavity plate 361, a movable inserting plate 362, a dust-proof cavity 363, and a movable inserting plate 364, the top end of the cavity plate 361 is fixedly provided with the movable inserting plate 362, the cavity plate 361 is provided with the dust-proof cavity 363, the dust-proof net 364 is arranged outside the dust-proof cavity 363, the dust-proof net 364 is fixedly connected with the cavity plate 361, during the operation of the motor, carbon powder generated during the flying process enters the cavity plate 361 from the dust-proof cavity 363, and is adsorbed on the dust-proof plate 364 inside the cavity 361.

The working principle is as follows: in the process of operation of the motor, the generated carbon powder enters the cavity plate 361 from the dust collection cavity 363 in the flying process, and is adsorbed on the dust screen 364 in the cavity plate 361, when the excessive carbon powder in the cavity plate 361 is observed from the transparent window 32, the external plate 27 is pressed, the external plate 27 drives the lower pressing plate 24 to press down, the lower pressing plate 24 presses down the insertion key 34, the shell 31 is drawn out, the insertion key 34 leaves the interior of the clamping groove 23, the shell 31 is separated from the motor body 1, the movable inserting plate 362 is drawn out from the shell 31, the dust in the cavity plate 361 is cleaned, and after the cleaning is finished, the An Chajian on the insertion plate 33 is reinserted into the clamping groove 23 to finish the installation of the shell 31.

In conclusion: the utility model discloses become rear end cap structure of oar motor, the motor is at the in-process of function, produced carbon powder is at the in-process of dancing in the air, locate to enter into cavity board 361 from dust collection chamber 363, and adsorb on dust screen 364 in cavity board 361 is inside, observe the inside carbon powder of cavity board 361 when too much from transparent window 32, press external board 27, external board 27 drives holding down plate 24 and pushes down, holding down plate 24 pushes down placing key 34, outwards take shell 31 out, make and place key 34 and leave the inside of draw-in groove 23, make shell 31 and 1 alternate segregation of motor body simultaneously, take movable picture peg 362 out from shell 31, clear up the inside dust of cavity board 361, this structure can observe the inside circumstances in the motor function, effectually collect the carbon dust, avoid the clearance that needs the high frequency, and be convenient for open the rear end cap and clear up the carbon powder.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a become rear end cap structure of oar motor, includes motor body (1), embedding frame (2) and back lid body (3), its characterized in that: the top end of the motor body (1) is fixedly provided with an embedded frame (2), and a rear cover body (3) is arranged behind the embedded frame (2);

the embedded frame (2) comprises an external frame body (21), an internal frame body (22), a clamping groove (23), a lower pressing plate (24), fixing rods (25), a reset spring (26), an external plate (27) and a linkage plate (28), wherein the internal frame body (22) is arranged inside the external frame body (21), the clamping groove (23) is formed inside the internal frame body (22), the lower pressing plate (24) is arranged inside the clamping groove (23), the top end of the lower pressing plate (24) is fixedly connected with the external plate (27), two ends of the external plate (27) are penetrated through by the fixing rods (25), the reset spring (26) is wound on the outer side of each fixing rod (25), and the linkage plate (28) is fixedly connected between the two external plates (27);

rear cover body (3) include shell (31), transparent window (32), insert board (33), insert key (34), track groove (35) and dust guard (36), transparent window (32) have been seted up at the top of shell (31), the front end fixedly connected with An Chaban (33) of shell (31), the top fixed mounting of An Chaban (33) has An Chajian (34), track groove (35) have been seted up to the bottom of shell (31), the bottom fixedly connected with dust guard (36) of shell (31).

2. The rear end cover structure of a pitch motor according to claim 1, wherein: the dust guard (36) includes cavity board (361), activity picture peg (362), dust collection chamber (363) and dust screen (364), the top fixed mounting of cavity board (361) has activity picture peg (362), dust collection chamber (363) have been seted up to the inside of cavity board (361), the outside of dust collection chamber (363) is equipped with dust screen (364), fixed connection between dust screen (364) and cavity board (361).

3. The rear end cover structure of the variable pitch motor according to claim 1, wherein: the top end of the return spring (26) is fixedly connected with the external plate (27), and the bottom end of the return spring (26) is fixedly installed on the internal frame body (22).

4. The rear end cover structure of the variable pitch motor according to claim 1, wherein: the top end of the fixing rod (25) is fixedly provided with a top sealing plate, and the diameter of the top sealing plate is larger than that of the fixing rod (25).

5. The rear end cover structure of the variable pitch motor according to claim 1, wherein: the bottom end of the external board (27) is movably mounted on the fixing rod (25), the bottom end of the lower pressing board (24) is located inside the clamping groove (23), the top end of the external board (27) penetrates through the external frame body (21), and the linkage board (28) is located outside the external frame body (21).

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