CN111853102A

CN111853102A - Wind-driven generator

Info

Publication number: CN111853102A
Application number: CN202010764602.XA
Authority: CN
Inventors: 沈荣华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-01
Filing date: 2020-08-01
Publication date: 2020-10-30

Abstract

The invention relates to the technical field of wind power generation equipment, and discloses a wind driven generator which comprises a brake caliper body, wherein a pneumatic cylinder is arranged on one side inside the brake caliper body, a piston is movably sleeved inside the pneumatic cylinder, and a fixing piece is fixedly connected to the outer side of the pneumatic cylinder. Through the setting of detection device, when the brake is not working, the friction disc substrate is in the state of retracting, the boss is static at this moment, when the pneumatic cylinder pushes the piston to drive the friction disc substrate and the friction disc to advance for braking, the boss moves downwards under the action of the elastic piece, the wedge surface of the boss extends into between the friction disc substrate and the pneumatic cylinder, along with the extension of the wedge surface, the scale changes immediately, when the brake is used for a long time, when the abrasion is large, the more the wedge surface extends along with the wedge surface, the more the scale value extends, people can observe the degree of friction disc abrasion according to the scale value, timely adjustment is made, the contact between the friction disc substrate and the brake disc is avoided, the damage of the brake disc is caused, and huge economic loss is caused.

Description

Wind-driven generator

Technical Field

The invention relates to the technical field of wind power generation equipment, in particular to a wind driven generator.

Background

The wind power 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, the wind power generator generally comprises components such as a wind wheel, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and the like, wherein the speed-limiting safety mechanism is also called a brake, the wind power generator usually uses a disc brake as braking equipment, and the working principle is as shown in figure 3: the piston 3 is pressurized by the pneumatic cylinder 2 to drive the friction plate 6 to move forward, so that the friction plate extrudes the brake disc 7, and the brake is performed by generating damping force between the friction plate 6 and the brake disc 7.

However, the existing disc brake of the wind driven generator often has some defects in the actual use process: aerogenerator is after long-term operation, the friction disc can produce wearing and tearing, rub repeatedly with the brake disc when the friction disc material board, when exhausting the friction disc board, if not in time change the friction disc, the brake disc will rub with the friction disc base plate, thereby lead to the brake disc wearing and tearing, in case the brake disc damages, because aerogenerator mostly installs in the eminence, it is very inconvenient during the change brake disc, generally need hoist whole cabin, maintain the change to the brake disc, very consuming time power, therefore, the urgent need for a friction disc loss degree detection device.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the wind driven generator which has the advantages of automatically detecting the wear degree of the friction plate and avoiding the damage of the brake disc, and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a wind driven generator, includes the brake caliper body, one side of the internal portion of brake caliper is provided with the pneumatic cylinder, the piston has been cup jointed in the inside activity of pneumatic cylinder, the outside fixedly connected with mounting of pneumatic cylinder, one side that the pneumatic cylinder was kept away from to the piston is with the symmetrical friction disc base plate of the equal fixedly connected with in one side of the internal portion of brake caliper, two the inboard equal fixedly connected with friction disc of friction disc base plate, two the inboard of friction disc is provided with the brake disc, the installation cavity has been seted up at the middle part of the upper end of the brake caliper body, the installation cavity cup joints through both sides through-hole and detection device activity, one side threaded connection at detection device middle part has spacing fender ring, the upper end fixedly connected with elastic component of spacing fender ring, the.

Preferably, the detection device is including detecting the body of rod, the one end fixedly connected with boss that detects the body of rod, one side that detects body of rod middle part is provided with the screw thread, the other end that detects the body of rod is provided with the scale, the through-hole of connection is seted up to the inside of detecting the body of rod and the upper end of boss.

Preferably, the boss is a wedge-shaped boss with a right trapezoid side face, the bottom face of the boss is parallel to the friction plate substrate when the friction plate is not braked, and the height of the boss is slightly three quarters of the height of the friction plate.

Preferably, the mounting cavity is cylindrical, and the mounting cavity is movably sleeved with the limit stop ring.

Preferably, the elastic member is a spring, and the elastic member is in a compressed state when the brake is not applied.

Preferably, the depth of the scale is the same as the horizontal length of the wedge-shaped surface of the boss, and a displacement sensor can be installed at the top end of the scale.

Preferably, the through hole is connected with the outside through the detection rod body, and the outer side of the through hole can be connected with the refrigerator.

The invention has the following beneficial effects:

1. through the setting of detection device, when the brake is not working, the friction disc substrate is in the state of retracting, the boss is static at this moment, when the pneumatic cylinder pushes the piston to drive the friction disc substrate and the friction disc to advance for braking, the boss moves downwards under the action of the elastic piece, the wedge surface of the boss extends into between the friction disc substrate and the pneumatic cylinder, along with the extension of the wedge surface, the scale changes immediately, when the brake is used for a long time, when the abrasion is large, the more the wedge surface extends along with the wedge surface, the more the scale value extends, people can observe the degree of friction disc abrasion according to the scale value, timely adjustment is made, the contact between the friction disc substrate and the brake disc is avoided, the damage of the brake disc is caused, and huge economic loss is caused.

2. Through the setting of through-hole, not only can dispel the heat to the stopper inside, if let in air conditioning in the through-hole outside moreover, can also dispel the heat to brake disc and stopper inside, prolong the life of stopper and friction disc to prevent that the brake disc is overheated, ensure safety.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a structural inspection apparatus according to the present invention;

fig. 3 is a schematic diagram of a conventional structure.

In the figure: 1. a caliper body; 2. a pneumatic cylinder; 3. a piston; 4. a fixing member; 5. a friction pad substrate; 6. a friction plate; 7. a brake disc; 8. a mounting cavity; 9. a detection device; 901. detecting a rod body; 902. a boss; 903. a thread; 904. calibration; 905. a through hole; 10. a limit stop ring; 11. an elastic member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a wind power generation fan includes a brake caliper body 1, a pneumatic cylinder 2 is disposed on one side inside the brake caliper body 1, a piston 3 is movably sleeved inside the pneumatic cylinder 2, a fixing member 4 is fixedly connected to an outer side of the pneumatic cylinder 2, a symmetrical friction plate substrate 5 is fixedly connected to one side of the piston 3 away from the pneumatic cylinder 2 and one side inside the brake caliper body 1, friction plates 6 are fixedly connected to inner sides of the two friction plate substrates 5, brake discs 7 are disposed on inner sides of the two friction plates 6, a mounting cavity 8 is disposed in the middle of an upper end of the brake caliper body 1, the mounting cavity 8 is movably sleeved with a detection device 9 through channels on two sides, a limit stop ring 10 is connected to one side of the middle of the detection device 9 through a thread, an elastic member 11 is fixedly connected to an upper end of the limit stop ring 10.

Wherein, the detection device 9 includes a detection rod 901, one end of the detection rod 901 is fixedly connected with a boss 902, one side of the middle part of the detection rod 901 is provided with a thread 903, the other end of the detection rod 901 is provided with a scale 904, the inside of the detection rod 901 and the upper end of the boss 902 are provided with a through hole 905 which is connected, through the arrangement of the detection device 9, when the brake is not operated, the friction plate substrate 5 is in a retraction state, at this time, the boss 902 is static, when the pneumatic cylinder 2 pushes the piston 3 to drive the friction plate substrate 5 and the friction plate 6 to advance for braking, the boss 902 moves downwards under the action of the elastic element 11, the wedge surface thereof extends between the friction plate substrate 5 and the pneumatic cylinder 2, the scale 904 changes immediately along with the extension of the wedge surface, when the brake is used for a long time, and the abrasion is large, the more the wedge surface extends, people can observe the degree of friction disc 6 wearing and tearing according to the scale interval, and timely making the adjustment avoids friction disc base plate 5 and brake disc 7 to contact, causes the damage of brake disc 7, causes huge economic loss.

Wherein, the boss 902 is a wedge-shaped boss with a right trapezoid side surface, the bottom surface of the boss 902 is parallel to the friction plate substrate 5 when not braking, and the height of the boss 902 is a little three fourths of the height of the friction plate 6, the degree of wear of the friction plate 6 can be intuitively reflected by the degree of extension of the boss 902, and due to the design of the wedge-shaped surface, when the brake is cancelled, the friction plate substrate 5 compresses the boss 902, the design of the wedge-shaped surface is convenient for the boss 902 to retract, the normal work of the brake is not influenced, when the friction plate 6 is worn more, the wedge-shaped surface of the boss 902 can completely enter between the friction plate 6 and the air cylinder 2 to block the brake, so that the brake is locked, the brake disc 7 is protected from being damaged, when in maintenance, the end with scales of the detection device 9 can be pulled out, and the operation is simple and efficient.

Wherein, installation cavity 8 is cylindrical, and installation cavity 8 cup joints with spacing fender ring 10 activity, through the cup jointing of installation cavity 8 with spacing fender ring 10 for detection device 9 is in sliding state, has reduced detection device 9's vibrations, guarantees its normal work.

Wherein, elastic component 11 is the spring, and elastic component 11 is in compression state when the stopper is not braked, because when the stopper is not braked, elastic component 11 is in compression state, therefore, when the stopper is braked, elastic component 11 can kick-back, stretches into the rear side of friction disc base plate 5 with boss 902, guarantees detection device 9 and normally works.

Wherein, the degree of depth of scale 904 is the same with boss 902's wedge face horizontal length, and the mountable displacement sensor in top of scale 904, and people can the audio-visual degree of wear of seeing out friction disc 6 of the change of scale, and the removal distance of the long-range body 901 of detecting the body of rod of people of being convenient for through installation displacement sensor observes, and is convenient and flexible more, does not need the on-the-spot observation.

Wherein, through-hole 905 is connected with the external world through detecting the body of rod 901, and the outside of through-hole 905 can be connected with the refrigerator, not only can dispel the heat to the stopper inside through-hole 905, if let in air conditioning in the through-hole 905 outside moreover, can also dispel the heat to brake disc 7 and stopper inside, prolongs the life of stopper and friction disc 6 to prevent brake disc 7 overheated, ensure safety.

The working principle is that when the brake does not work, the friction plate substrate 5 is in a retraction state, and the boss 902 is static at the moment; when the brake brakes, the pneumatic cylinder 2 pushes the piston 3 to drive the friction plate base plate 5 and the friction plate 6 to move forward, the boss 902 moves downward under the action of the elastic piece 11, the wedge-shaped surface of the boss extends between the friction plate base plate 5 and the pneumatic cylinder 2, the scale 904 changes immediately along with the extension of the wedge-shaped surface, when the brake is used for a long time and the abrasion is large, the more the wedge-shaped surface extends, the more the scale value extends, people can observe the abrasion degree of the friction plate 6 according to the scale value, timely make adjustment, and avoid the contact between the friction plate base plate 5 and the brake disc 7 to cause the damage of the brake disc 7 and huge economic loss.

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

1. The utility model provides a wind driven generator, includes the brake caliper body (1), one side of the inside of brake caliper body (1) is provided with pneumatic cylinder (2), piston (3) have been cup jointed in the inside activity of pneumatic cylinder (2), the outside fixedly connected with mounting (4) of pneumatic cylinder (2), one side that pneumatic cylinder (2) were kept away from in piston (3) and the symmetrical friction disc base plate (5) of the equal fixedly connected with in one side of the inside of brake caliper body (1), two the inboard equal fixedly connected with friction disc (6) of friction disc base plate (5), two the inboard of friction disc (6) is provided with brake disc (7), its characterized in that: the brake caliper is characterized in that an installation cavity (8) is formed in the middle of the upper end of the brake caliper body (1), the installation cavity (8) is movably sleeved with a detection device (9) through holes in two sides, one side of the middle of the detection device (9) is connected with a limiting blocking ring (10) in a threaded mode, the upper end of the limiting blocking ring (10) is fixedly connected with an elastic part (11), and the upper end of the elastic part (11) is fixedly connected with the installation cavity (8).

2. A wind power generator according to claim 1, wherein: the detection device (9) comprises a detection rod body (901), a boss (902) is fixedly connected to one end of the detection rod body (901), a thread (903) is arranged on one side of the middle of the detection rod body (901), scales (904) are arranged at the other end of the detection rod body (901), and a through hole (905) for connection is formed in the inner portion of the detection rod body (901) and the upper end of the boss (902).

3. A wind power generator according to claim 2, wherein: the boss (902) is a wedge-shaped boss with a right-angled trapezoid side face, the bottom face of the boss (902) is parallel to the friction plate substrate (5) when the brake is not applied, and the height of the boss (902) is slightly three-fourths of the height of the friction plate (6).

4. A wind power generator according to claim 1, wherein: the mounting cavity (8) is cylindrical, and the mounting cavity (8) is movably sleeved with the limiting stop ring (10).

5. A wind power generator according to claim 1, wherein: the elastic piece (11) is a spring, and the elastic piece (11) is in a compressed state when the brake is not braked.

6. A wind power generator according to claim 2, wherein: the depth of the scale (904) is the same as the horizontal length of the wedge-shaped surface of the boss (902), and a displacement sensor can be installed at the top end of the scale (904).

7. A wind power generator according to claim 2, wherein: the through hole (905) is connected with the outside through the detection rod body (901), and the outer side of the through hole (905) can be connected with a refrigerator.