CN207098852U - A kind of yaw motor with double microswitch device - Google Patents

Abstract

The utility model discloses a kind of yaw motor with double microswitch device, including brake, and brake includes brake stator, brake rotor, armature disc, brake spring and ring flange；Brake stator and brake rotor are respectively arranged on the both sides of armature disc, and are provided with brake coil inside brake stator, and brake spring is acted on armature disc, armature disc and brake rotor abutting contact；Also include two sets of microswitches, two sets of microswitches are respectively function monitor microswitch and wear monitoring microswitch, and function monitor microswitch and wear monitoring microswitch include a microswitch body, a screw rod and a nut；One end of screw rod is switch arrangement of the screw head close to switch contact, and the other end is connected through armature disc with nut thread；A gap is reserved between armature disc and nut.The utility model is reduced periodically to the maintenance cost of motor and brake by real-time monitoring of two microswitches to yaw motor brake.

Description

A kind of yaw motor with double microswitch device

Technical field

It the utility model is related to a kind of motor, and in particular to a kind of yaw motor, more particularly to a kind of band double microswitch The yaw motor of device.

Background technology

It is well known that wind-power electricity generation is current with the fastest developing speed in the world, most competitive regenerative resource, with Land is compared, and offshore wind energy resource wind speed is bigger, turbulivity is lower, and wind direction is more stable, has fewer environmental impacts, using area It is wide, it is not take up the advantages such as soil.Wherein, the yaw device of wind-power electricity generation is one of important device of wind-power electricity generation, is changed in wind When becoming its direction, yaw device rotates cabin by yaw motor, so that the rotor of wind-power electricity generation faces wind.

Referring to accompanying drawing 1, in the past, the brake of yaw motor generally includes brake stator 1, brake rotor 2, armature disc 3rd, brake spring 4 and ring flange 5, wherein, it is provided with brake coil 10 in brake stator 1.The brake spring 4 is made With on armature disc 3, armature disc 3 and the abutting contact of brake rotor 2.When brake engagement power supply, brake coil 10 obtains Exciting current, produce magnetic attraction, overcome the pressure of brake spring 4, by the adhesive of armature disc 3, make brake rotor 2 with it is static Ring flange 5 is separated, and now air gap S is zero, while is connected the three phase mains of motor by control circuit, and motor turns in electromagnetism Start to rotate under square effect；After motor and brake are cut off the electricity supply, the magnetic attraction of rotating excitation field and DC electromagnet disappears simultaneously Lose, armature disc 3 pushes brake rotor 2 to ring flange 5 under the pressure of brake spring 4, and now brake air gap S is specified Air gap（Generally 0.3~0.45mm）, the rubbing surface of brake rotor 2 contacts with ring flange 5 and armature disc 3, produces moment of friction Motor is set to stop operating quickly.

Because offshore wind turbine faces the adverse circumstances such as tide, typhoon, air-flow and lightning, and the system of yaw motor Dynamic device rotor 2 belongs to consumable accessory, and the rubbing surface of brake rotor 2 will be worn after long-term use, cause electromagnet and rank Air gap increase and the increase of spring works length between iron pan 3, so as to reduce the pressure of brake spring 4, reduce brake force Square, simultaneously because the increase of air gap, rises current value during 3 adhesive of armature disc, armature disc 3 will be prevented when serious from adhesive.Cause This, needs running check air gap, carries out maintenance adjustment during more than maximum functional air gap.Especially for the complicated ring of offshore wind farm Border, yaw motor such as frequently occur brake hard, or the operating mode of the excessively high abnormal running of working frequency, regular with greater need for taking the circumstances into consideration Maintenance and Repair are carried out to yaw motor.

However, the Maintenance and Repair of offshore wind farm at present, generally use manually operated, and it is big compared with difficulty for land, Waste time and energy, costly, especially when sea situation is severe, maintenance personal is difficult to approach so that the operation maintenance of marine wind electric field into This is higher.

In consideration of it, propose that a kind of yaw motor with double microswitch device is the problem to be studied of the utility model.

The content of the invention

The utility model provides a kind of yaw motor with double microswitch device, and its purpose is to solve prior art Using the problems such as manual maintenance maintenance difficulty is big, attendant is difficult to approach, wastes time and energy, and maintenance cost is high.

To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of driftage with double microswitch device Motor, including brake, the brake include brake stator, brake rotor, armature disc, brake spring and flange Disk；The brake stator and brake rotor are respectively arranged on the both sides of armature disc, and are provided with brake inside brake stator Coil, the brake spring are acted on the armature disc, the armature disc and brake rotor abutting contact；

Also include double microswitch device, the double microswitch device includes two sets of microswitches, two sets of microswitches Respectively function monitor microswitch and wear monitoring microswitch, the function monitor microswitch and wear monitoring fine motion are opened Guan Jun includes a microswitch body, a screw rod and a nut, and the microswitch body is provided with switch contact；The spiral shell One end of bar is that screw head is arranged close to switch contact, and the other end is connected through the armature disc with the nut thread；

Under function monitor state, when the brake is not powered, the armature disc is contacted with the nut, and nut is produced Pressure the function monitor microswitch is delivered to by screw rod, now, function monitor microswitch signal is constant；Work as braking When device is powered, the brake coil conducting of the brake stator produces magnetic force, and armature disc is drawn into brake stator side, this When, the air gap S between the armature disc and brake stator is zero, and the armature disc separates with the nut, passes through the spiral shell Bar is delivered to the distress resolves of the function monitor microswitch, and now, function monitor microswitch signal produces change；

Under wear monitoring state, when brake normal operation, the armature disc does not touch the nut, with institute State brake rotor constantly to be worn, the air gap S between the armature disc and brake stator is continuously increased, until armature disc touches Encounter the nut, the armature disc is delivered to the wear monitoring microswitch to pressure caused by nut by screw rod, this When, the wear signal of wear monitoring microswitch changes.

Relevant content in above-mentioned technical proposal is explained as follows：

1st, in such scheme, in addition to terminal box terminal block, the wear monitoring microswitch lead and function monitor are micro- Dynamic switch leads introduce the terminal box terminal block after converging.

2nd, in such scheme, the lead of the function monitor microswitch and wear monitoring microswitch passes through installation respectively Wire clip on brake shell and yaw motor rear end cap is fixed on yaw motor surface.

3rd, in such scheme, the function monitor microswitch and wear monitoring microswitch are each attached to the brake Side surface.

4th, in such scheme, the function monitor microswitch is installed on the yaw motor brake handle opposite.

5th, in such scheme, the wear monitoring microswitch is installed at the yaw motor brake handle.

Operation principle：The utility model sets a function monitor microswitch and a wear monitoring microswitch, in function Under monitor state, when the brake is not powered, armature disc is contacted with nut, and work(is delivered to by screw rod to pressure caused by nut Microswitch can be monitored, now, function monitor microswitch signal is constant；When brake guaranties, the braking of brake stator The conducting of device coil produces magnetic force, and armature disc is drawn into brake stator side, now, the gas between armature disc and brake stator Gap S is zero, and armature disc separates with nut, and the distress resolves of the function monitor microswitch, now, work(are delivered to by screw rod Microswitch signal can be monitored and produce change；

Under wear monitoring state, when brake normal operation, armature disc can not touch nut, as brake turns Son is constantly worn, and the air gap S between armature disc and brake stator is continuously increased, until armature disc touches nut, armature Disk is delivered to wear monitoring microswitch to pressure caused by nut by screw rod, now, the abrasion of wear monitoring microswitch Signal changes.

Because above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：

For the utility model by setting two microswitches, function monitor microswitch is able to ensure that electromotor brake acts （Release）Afterwards, motor control loop is connected, prevents the faulty operation not allowed, such as the electricity under arrester close state Machine starts.Wear monitoring microswitch realizes wear monitoring, can when electromotor brake rotor abrasion reaches the limit values Smax, and When feedback safeguarded, by real-time monitoring of the microswitch to electromotor brake, reduce periodically to the dimension of motor and brake Protect cost.

Brief description of the drawings

Accompanying drawing 1 is the brake installation diagram of prior art；

Accompanying drawing 2 is the assembling schematic diagram of the present embodiment function monitor microswitch；

Accompanying drawing 3 is the fundamental diagram of the present embodiment function monitor microswitch；

Accompanying drawing 4 is the assembling schematic diagram of the present embodiment wear monitoring microswitch；

Accompanying drawing 5 is the fundamental diagram of the present embodiment wear monitoring microswitch；

Accompanying drawing 6 is the installation diagram that two sets of microswitches are assemblied in brake surfaces in the present embodiment.

In the figures above：1st, brake stator；10th, brake coil；2nd, brake rotor；3rd, armature disc；4th, brake Spring；5th, ring flange；6th, microswitch；60th, function monitor microswitch；61st, wear monitoring microswitch；62nd, fine motion Switch main body；63rd, screw rod；64th, nut；65th, switch contact；66th, function monitor microswitch lead；67th, wear monitoring fine motion Switch leads；7th, brake shell.

Embodiment

Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：

Embodiment：A kind of yaw motor with double microswitch device

Referring to accompanying drawing 1-6, including brake, the brake include brake stator 1, brake rotor 2, armature disc 3, Brake spring 4 and ring flange 5.The brake stator 1 and brake rotor 2 are respectively arranged on the both sides of armature disc 3, and make The dynamic inside of device stator 1 is provided with brake coil 10, and the brake spring 4 is acted on the armature disc 3, the armature disc 3 With the abutting contact of brake rotor 2.Brake rotor 2 can retracting and retract with armature disc 3.

Also include double microswitch device, the double microswitch device includes two sets of microswitches, two sets of microswitches Respectively function monitor microswitch 60 and wear monitoring microswitch 61, wherein, the function monitor microswitch 60 is installed In yaw motor brake handle opposite, the wear monitoring microswitch 61 is installed on the yaw motor brake handle Place, the function monitor microswitch 60 and wear monitoring microswitch 61 are each attached to the brake side surface.The work( Microswitch 60 and wear monitoring microswitch 61, which can be monitored, includes a microswitch body 62, a screw rod 63 and a nut 64, the microswitch body 62 is provided with switch contact 65.

One end of the screw rod 63 be screw head arranged close to switch contact 65, the other end through the armature disc 3 with The nut 64 is threadedly coupled；A gap is reserved between the armature disc 3 and nut 64.

Referring to accompanying drawing 2-3, under function monitor state, when the brake is not powered, the armature disc 3 and the nut 64 Contact, is delivered to the function monitor microswitch 60, now, function monitor is micro- to pressure caused by nut 64 by screw rod 63 60 signals of dynamic switch are constant.When brake guaranties, the conducting of brake coil 10 of the brake stator 1 produces magnetic force, will Armature disc 3 is drawn to the side of brake stator 1, and now, the air gap S between the armature disc 3 and brake stator 1 is zero, described Armature disc 3 is separated with the nut 64, and the distress resolves of the function monitor microswitch 60 are delivered to by the screw rod 63, Now, the signal of function monitor microswitch 60 produces change.

Referring to accompanying drawing 4- accompanying drawings 5, under wear monitoring state, when brake normal operation, the armature disc 3 can not touch Encounter the nut 64, as the brake rotor 2 is constantly worn, the gas between the armature disc 3 and brake stator 1 Gap S is continuously increased, and until armature disc 3 touches the nut 64, the armature disc 3 passes through screw rod to pressure caused by nut 64 63 are delivered to the wear monitoring microswitch 61, and now, the wear signal of wear monitoring microswitch 61 changes.

Referring to accompanying drawing 6, in the present embodiment, in addition to terminal box terminal block, the wear monitoring microswitch lead 67 with Function monitor microswitch lead 66 introduces the terminal box terminal block after converging.The function monitor microswitch 60 and abrasion The lead 66,67 of monitoring microswitch 61 passes through the wire clip on brake shell 7 and yaw motor rear end cap respectively It is fixed on yaw motor surface.

For above-described embodiment only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with technique Personage can understand content of the present utility model and implement according to this, the scope of protection of the utility model can not be limited with this. All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it It is interior.

Claims (6)

1. a kind of yaw motor with double microswitch device, including brake, the brake includes brake stator（1）、 Brake rotor（2）, armature disc（3）, brake spring（4）And ring flange（5）；The brake stator（1）And brake Rotor（2）It is respectively arranged on armature disc（3）Both sides, and brake stator（1）Inside is provided with brake coil（10）, the braking Device spring（4）Act on the armature disc（3）On, the armature disc（3）With brake rotor（2）Abutting contact；

It is characterized in that：Also include double microswitch device, the double microswitch device includes two sets of microswitches, and this two sets micro- Dynamic switch is respectively function monitor microswitch（60）With wear monitoring microswitch（61）, the function monitor microswitch （60）With wear monitoring microswitch（61）Include a microswitch body（62）, a screw rod（63）An and nut（64）, The microswitch body（62）It is provided with switch contact（65）；The screw rod（63）One end for screw head close to switch touch Point（65）Arrangement, the other end pass through the armature disc（3）With the nut（64）Threaded connection；

Under function monitor state, when the brake is not powered, the armature disc（3）With the nut（64）Contact, to nut （64）Caused pressure passes through screw rod（63）It is delivered to the function monitor microswitch（60）, now, function monitor fine motion is opened Close（60）Signal is constant；When brake guaranties, the brake stator（1）Brake coil（10）Conducting produces magnetic force, By armature disc（3）It is drawn to brake stator（1）Side, now, the armature disc（3）And brake stator（1）Between air gap S It is zero, the armature disc（3）With the nut（64）Separation, passes through the screw rod（63）The function monitor fine motion is delivered to open Close（60）Distress resolves, now, function monitor microswitch（60）Signal produces change；

Under wear monitoring state, when brake normal operation, the armature disc（3）The nut is not touched（64）, with The brake rotor（2）Constantly worn, the armature disc（3）And brake stator（1）Between air gap S constantly increase Add, until armature disc（3）Touch the nut（64）, the armature disc（3）To nut（64）Caused pressure passes through screw rod （63）It is delivered to the wear monitoring microswitch（61）, now, wear monitoring microswitch（61）Wear signal become Change.

2. the yaw motor according to claim 1 with double microswitch device, it is characterised in that：Also include terminal box end Son row, the wear monitoring microswitch lead（67）With function monitor microswitch lead（66）The wiring is introduced after converging Box terminal block.

3. the yaw motor according to claim 2 with double microswitch device, it is characterised in that：The function monitor is micro- Dynamic switch leads（66）With wear monitoring microswitch lead（67）Respectively by installed in brake shell（7）And yaw motor Wire clip on rear end cap is fixed on yaw motor surface.

4. the yaw motor according to claim 1 with double microswitch device, it is characterised in that：The function monitor is micro- Dynamic switch（60）With wear monitoring microswitch（61）It is each attached to the brake side surface.

5. according to any described yaw motors with double microswitch device of claim 1-4, it is characterised in that：The function Monitor microswitch（60）It is installed on the yaw motor brake handle opposite.

6. the yaw motor according to claim 5 with double microswitch device, it is characterised in that：The wear monitoring is micro- Dynamic switch（61）It is installed at the yaw motor brake handle.