CN219692082U - Integrated power-losing disc brake - Google Patents
Integrated power-losing disc brake Download PDFInfo
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- CN219692082U CN219692082U CN202321359052.9U CN202321359052U CN219692082U CN 219692082 U CN219692082 U CN 219692082U CN 202321359052 U CN202321359052 U CN 202321359052U CN 219692082 U CN219692082 U CN 219692082U
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- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 238000001125 extrusion Methods 0.000 description 21
- 229910052742 iron Inorganic materials 0.000 description 12
- 238000009434 installation Methods 0.000 description 9
- 230000000670 limiting effect Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to an integrated power-losing disc brake, and relates to the technical field of hoisting mechanical equipment. Which includes a magnetic ring. The magnetic ring is fixed with a shell of the motor, the rotating shaft of the motor penetrates through the magnetic ring, the fan blade is coaxially fixed on the rotating shaft of the motor, the magnetic ring is positioned between the shell and the fan blade, an armature is arranged between the magnetic ring and the fan blade, a plurality of mounting holes are formed in one side, close to the armature, of the magnetic ring, an electromagnet is inserted into each mounting hole, a propelling spring used for propelling the armature in the direction, close to the fan blade, of the electromagnet is fixed at two ends of the electromagnet, a plurality of electromagnetic coils are arranged in the magnetic ring, a friction ring is arranged between the armature and the fan blade, an inserting ring is arranged on one side, close to the fan blade, of the friction ring, a slot is formed in one side, close to the fan blade, of the armature, and the inserting ring is inserted into the slot in an interference mode. The utility model has the effect that after the friction ring is worn, the friction ring can be more looped, so that the braking effect is not influenced by the worn friction ring.
Description
Technical Field
The utility model relates to the field of hoisting mechanical equipment, in particular to an integrated power-losing disc brake.
Background
The hoisting machinery has the working characteristics of repeated short-time working system and frequent braking, and the brake plays a role in clamping a workpiece to operate and emergently brake in the lifting operation, so that the hoisting machinery is an important active safety device in the series of crane operations and is widely applied in the hoisting machinery industry.
In the related art, chinese patent with the publication number of CN207005157U discloses an electromagnetic disc brake, which comprises a yoke iron fixedly connected with a base and a connecting wheel fixedly connected with a rotating shaft, wherein a rotor is assembled on the outer peripheral surface of the connecting wheel, an armature iron which is correspondingly matched with the yoke iron is arranged on one side of the rotor, which is close to the yoke iron, an electromagnetic coil is arranged in a groove on the end face of the yoke iron, which corresponds to the armature iron, a spring mounting hole which extends along the axial direction of the yoke iron, is also arranged on the end face of the yoke iron, which corresponds to the armature iron, a compression spring is arranged in the spring mounting hole, one end of the compression spring is propped against the corresponding end face of the armature iron, which is close to the yoke iron, and a friction plate is arranged on the side face, which is connected with the armature iron, of the rotor.
When the electromagnetic coil is electrified, the electromagnetic coil generates a magnetic field, so that the armature overcomes the elasticity of the compression spring and is attracted to the electromagnetic coil, and the armature is separated from the friction plate, so that the rotor can normally rotate.
When the power is lost, the residual secondary coil does not generate a magnetic field, and the compression spring abuts against the armature and the friction plate by means of self elastic force, so that friction force is generated between the armature and the friction plate to stop rotation of the rotor.
After long-term use, the armature is continuously rubbed with the friction plate on the rotor, the surface of the friction plate is easy to wear or is worn flat, so that the braking effect is poor, and the friction plate is fixed on the armature and the rotor, so that the friction plate is inconvenient to replace, and the improvement is needed.
Disclosure of Invention
In order to solve the problems that the surface of a friction plate is easy to wear and the friction plate is inconvenient to replace after the friction plate is used for a long time, the utility model provides an integrated power-losing disc brake.
The utility model provides an integrated power-losing disc brake which adopts the following technical scheme:
an integrated power-losing disc brake is used for controlling rotation or stopping of a motor and comprises a magnetic ring, the magnetic ring is fixed with a shell of the motor, a rotating shaft of the motor penetrates through the magnetic ring, a fan blade is coaxially fixed on the rotating shaft of the motor, the magnetic ring is located between the shell and the fan blade, an armature is arranged between the magnetic ring and the fan blade, a plurality of mounting holes are formed in one side, close to the armature, of the magnetic ring, electromagnets are inserted into the mounting holes, propelling springs used for propelling the armature towards the direction, close to the fan blade, of the armature are fixed at two ends of the electromagnets, a plurality of electromagnetic coils are arranged in the magnetic ring, a friction ring is arranged between the armature and the fan blade, an inserting ring is arranged on one side, close to the armature, of the armature, a slot is formed in the slot in an interference manner.
Through adopting above-mentioned technical scheme, during the use, the pivot of motor takes place to rotate to drive the fan blade synchronous rotation. When the motor needs to be stopped, the electromagnetic coil is powered off, so that the electromagnet does not generate electromagnetic force, the pushing spring pushes the armature in the direction close to the fan blade until the friction ring is abutted with one side, close to the shell, of the fan blade, and friction force is generated between the friction ring and the fan blade She Cebi, and therefore the fan blade stops rotating, namely the rotating shaft of the motor stops rotating. When the magnetic ring is electrified, the electromagnetic coil is electrified to generate a magnetic field, so that the electromagnet generates electromagnetic force to attract the armature to move in a direction away from the fan blade, the armature overcomes the elastic force of the pushing spring to be abutted against the magnetic ring, and at the moment, the side wall of the fan blade loses the force of extrusion friction, so that the fan blade loses the limit, and the rotating shaft of the motor can drive the fan blade to normally rotate.
After long-term use, when the friction ring is to be replaced, the friction ring is moved in a direction away from the armature until the insert ring is pulled out of the slot, so that the old friction ring is detached from the armature. Then, the insert ring on the new friction ring is aligned with the slot, then the insert ring is pinched to deform the insert ring, the insert ring is fed from the opening of the slot, then the insert ring is pressed to completely insert the insert ring into the slot, and after the insert ring completely enters the slot, the insert ring recovers deformation, so that the side wall of the insert ring is tightly attached to the inner wall of the slot, the insert ring is not easy to be pulled out of the slot, the fixed installation of the new friction ring on the armature is realized, and the replacement of the friction ring is realized.
Optionally, the fixed orifices has been seted up on the inner wall of slot, the fixed orifices interpolation is equipped with the fixed block, be provided with in the fixed orifices and be used for being close to the fixed spring of inserting the direction propelling movement of ring with the fixed block, be provided with the locating hole that supplies the fixed block to insert on inserting the lateral wall of ring.
Through adopting above-mentioned technical scheme, when the installation friction ring, press the fixed block earlier for fixed block extrusion fixed spring is accomodate in the fixed orifices completely, the inner wall of slot does not have the arch promptly, will insert the ring and insert completely establishing in the slot then, the fixed block aligns the locating hole this moment, the fixed block is under fixed spring's effect, remove to the direction that is close to the ring of inserting, make the tip of fixed block insert and establish in the locating hole, the lateral wall of fixed block and the inner wall butt of locating hole play the restriction effect, make insert the ring and can not take out the slot, increased and inserted the ring and inserted the steadiness of establishing in the slot.
When the friction ring is disassembled, the insert ring is directly moved in the direction away from the armature, the insert ring is integrally deformed, namely the positioning hole is also deformed, or the inner wall of the positioning hole is broken until the fixed block is separated from the positioning hole, and then the insert ring is pulled out of the slot, so that the friction ring is disassembled on the armature.
Optionally, a guiding surface is arranged on one side of the fixed block, which is close to the friction ring, and one end of the guiding surface, which is close to the insertion ring, is obliquely arranged in a direction away from the friction ring.
Through adopting above-mentioned technical scheme, when inserting in inserting the ring to the slot, insert ring and guide surface butt, the guide surface plays the guide effect for insert the ring and slide on the guide surface, promote fixed block extrusion fixed spring and accomodate in the fixed orifices, make the fixed block can not cause the interference to inserting of inserting the ring. After the insert ring is completely inserted into the slot, the fixing block is aligned to the positioning hole, at the moment, the end part of the fixing block is limited, and under the action of the fixing spring, the end part of the fixing block is inserted into the positioning hole, so that the fixed installation of the insert ring in the slot is realized, the fixing block is not required to be pressed before the insert ring is inserted into the slot, and the operation is convenient.
Optionally, be provided with the guide block on the lateral wall of fixed block, the guide block is located the fixed block and keeps away from the one end of inserting the ring, be provided with the guide way on the inner wall of fixed orifices, the guide block inserts and establishes in the guide way and can remove in the guide way.
Through adopting above-mentioned technical scheme, when fixed spring promotes the fixed block to being close to the direction of inserting the ring and remove for the guide block removes in the guide way, and the inner wall and the guide block butt of guide way play the effect of restriction direction to the fixed block, make the fixed block at the removal in-process, the guide surface remains all the time and aims at inserting the open-ended state of ring. When the guide block moves to be abutted with the inner wall of one side of the guide groove, which is close to the insertion ring, the fixed block is limited to move continuously, so that the fixed block cannot be completely pulled out of the fixed hole under the action of the fixed spring, and the stability of the fixed block inserted in the fixed hole is improved.
Optionally, a pull rope is fixedly connected to the fixed block, and one end of the pull rope, which is far away from the fixed block, extends out of the armature.
Through adopting above-mentioned technical scheme, when the friction ring needs to be dismantled, pulling stay cord for the fixed block moves to the direction of keeping away from the inserted ring, extrudes fixed spring, until the fixed block takes out the locating hole, makes the removal unlimited of inserted ring in the slot, thereby is convenient for take out the inserted ring from the slot, realizes the dismantlement of friction ring.
Optionally, the stay cord stretches out the one end of armature and is fixed with the stopper, the diameter of stopper is greater than the diameter of stay cord.
Through adopting above-mentioned technical scheme, when fixed spring promotes the fixed block and removes to the direction that is close to the inserted ring to make the stay cord drive stopper to armature removal, until the lateral wall butt of stopper and armature, make the stay cord can not receive in the armature completely under fixed spring's effect, thereby be convenient for follow-up pull stay cord.
Optionally, a plurality of holding tanks have been seted up on the slot and the opposite one side inner wall of fixed orifices, insert in the holding tank and be equipped with the stripper plate, be equipped with extrusion spring in the holding tank, extrusion spring is used for extruding the stripper plate to the direction that is close to the fixed orifices.
Through adopting above-mentioned technical scheme, press the stripper plate for stripper plate compression extrusion spring accomodates in the holding tank, thereby is convenient for insert the ring and establish in the slot. After the insert ring is completely inserted into the slot, the extrusion plate moves towards the direction close to the insert ring under the action of the extrusion spring until the extrusion plate is abutted with the side wall of the insert ring, and extrudes the insert ring, so that one side of the insert ring away from the extrusion plate is abutted with the inner wall of the slot, the extrusion plate and the inner wall of the slot are tightly abutted, and opposite acting forces are generated between the extrusion plate and the inner wall of the slot, so that the two opposite sides of the insert ring are subjected to extrusion forces, and the stability of the insert ring in the slot is further improved.
Optionally, the armature is close to one side of fan blade and inlays and be equipped with the go-between, stripper plate fixedly connected with connecting rope, a plurality of the one end that the stripper plate was kept away from to the connecting rope is all fixed with the go-between.
Through adopting above-mentioned technical scheme, remove the direction that the magnetic ring was kept away from to the go-between for a plurality of connecting ropes remove simultaneously, thereby drive a plurality of stripper plates and all remove to the direction of keeping away from the insert ring, until stripper plate and insert the ring separation, make the lateral wall of insert the ring lose the extrusion force, thereby be convenient for take out the insert ring from the slot.
In summary, the present utility model includes at least one of the following beneficial effects:
1. after long-term use, the friction ring is continuously in abutting friction with the side wall of the fan blade, abrasion is easy to occur, the friction ring is moved in the direction away from the armature until the insert ring is pulled out of the slot, and the old friction ring is detached from the armature. Then aligning the insert ring on the new friction ring with the slot, pinching the insert ring to deform the insert ring, feeding the insert ring from the opening of the slot, pressing the insert ring to completely insert the insert ring into the slot, and recovering the deformation of the insert ring after the insert ring completely enters the slot, so that the side wall of the insert ring is tightly attached to the inner wall of the slot, the insert ring is not easy to be pulled out from the slot, the fixed installation of the new friction ring on the armature is realized, and the replacement of the friction ring is realized;
2. when the friction ring is installed, the fixed block is pressed firstly, so that the fixed block extrudes the fixed spring to be completely contained in the fixed hole, namely, the inner wall of the slot is free of protrusions, then the insert ring is completely inserted into the slot, at the moment, the fixed block is aligned with the positioning hole, the fixed block moves towards the direction close to the insert ring under the action of the fixed spring, so that the end part of the fixed block is inserted into the positioning hole, the side wall of the fixed block is abutted against the inner wall of the positioning hole, the limiting effect is achieved, the insert ring can not be pulled out of the slot, and the stability of the insert ring inserted into the slot is improved.
Drawings
FIG. 1 is a schematic diagram of an integrated power loss disc brake according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an embodiment of an integrated power loss disc brake;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is an enlarged view at B in fig. 2.
In the figure: 10. a fan blade; 11. a friction plate; 20. a magnetic ring; 21. a mounting hole; 30. an electromagnetic coil; 40. an electromagnet; 50. a propulsion spring; 60. an armature; 61. a slot; 62. a fixing hole; 63. a guide groove; 64. a receiving groove; 70. a friction ring; 71. inserting a ring; 711. positioning holes; 80. a fixed block; 81. a guide surface; 82. a guide block; 90. a pull rope; 110. a limiting block; 120. an extrusion plate; 130. extruding a spring; 140. a connecting rope; 150. and a connecting ring.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
The embodiment of the utility model discloses an integrated power-losing disc brake. Referring to fig. 1 and 2, an integrated power-loss disc brake for controlling rotation or stop of a motor includes a magnetic ring 20, the magnetic ring 20 is integrated with a housing of the motor, a rotating shaft of the motor extends out of one side of the housing of the motor, a fan blade 10 is coaxially fixed on the rotating shaft of the motor, the magnetic ring 20 is sleeved on the rotating shaft and is positioned between the housing of the motor and the fan blade 10, and a friction plate 11 is embedded on one side of the fan 10 close to the magnetic ring 20.
Referring to fig. 2, an armature 60 is disposed between a magnetic ring 20 and a fan blade 10, the armature 60 can move towards a direction approaching or away from the fan blade 10, a plurality of mounting holes 21 are formed in one side, approaching to the armature 60, of the magnetic ring 20, electromagnets 40 are inserted into the mounting holes 21, the electromagnets 40 are distributed along the moving direction of the armature 60, both ends of the electromagnets 40 are fixedly provided with propelling springs 50, one end, far away from the fan blade 10, of each propelling spring 50 is fixedly connected with the inner wall of the mounting hole 21, and one side, approaching to the fan blade 10, of each propelling spring 50 is fixedly connected with the armature 60 and used for propelling the armature 60 towards the direction approaching to the fan blade 10. An electromagnetic coil 30 is arranged between adjacent electromagnets 40, the electromagnetic coil 30 is fixed in the magnetic ring 20, and a friction ring 70 is arranged between the armature 60 and the fan blade 10.
When the fan blade 10 is used, the rotating shaft of the motor rotates, so that the fan blade 10 is driven to synchronously rotate. When the motor needs to be stopped, the electromagnetic coil 30 is powered off, so that the electromagnet 40 does not generate electromagnetic force, and the pushing spring 50 pushes the armature 60 to move towards the direction close to the fan blade 10 until the armature 60 drives the friction ring 70 to abut against the friction plate 11, so that friction force is generated between the friction ring 70 and the friction plate 11, and the fan blade 10 stops rotating, namely the rotating shaft of the motor stops rotating.
When the magnetic ring 20 is electrified, the electromagnetic coil 30 is electrified to generate a magnetic field, so that the electromagnet 40 generates electromagnetic force to attract the armature 60 to move in a direction away from the fan blade 10, so that the armature 60 overcomes the elasticity of the pushing spring 50 to be abutted against the magnetic ring 20, and at the moment, the side wall of the fan blade 10 loses the force of extrusion friction, so that the fan blade 10 loses the limit, and the rotating shaft of the motor can drive the fan blade 10 to rotate normally. In the process, a friction disc is not required to be additionally arranged, so that the whole brake is small in size, light in weight, small in rotational inertia and high in response speed, and the power consumption of the brake is small.
Referring to fig. 2 and 3, a slot 61 is formed on one side of the armature 60, which is close to the fan blade 10, and an insert ring 71 is fixed on one side of the friction ring 70, which is far away from the fan blade 10, corresponding to the slot 61, wherein the insert ring 71 is made of rubber, and the insert ring 71 is inserted in the slot 61 in an interference manner. The fixed hole 62 has been seted up on the inner wall of slot 61, be equipped with fixed spring in the fixed hole 62, fixed spring's one end and fixed hole 62 keep away from the one side inner wall of inserting the ring 71 fixed, the other end is fixed with fixed block 80, fixed block 80 inserts and establishes in fixed hole 62, and integrated into one piece has guide block 82 on the lateral wall of fixed block 80, guide block 82 is located the fixed block 80 and keeps away from the one end department of inserting the ring 71, the guide slot 63 has been seted up along the direction of movement of fixed block 80 on the inner wall of fixed hole 62, guide block 82 inserts and establishes in guide slot 63 and can remove in guide slot 63. When the fixing block 80 moves towards the direction of the insert ring 71 under the action of the fixing spring until the guide block 82 abuts against the inner wall of the guide groove 63 on one side close to the insert ring 71, the fixing block 80 is limited to move continuously, so that the fixing block 80 cannot be completely pulled out of the fixing hole 62 under the action of the fixing spring, and the stability of inserting the fixing block 80 into the fixing hole 62 is improved.
During installation, the fixing block 80 is pressed firstly, so that the fixing block 80 is pressed and fixed in the fixing hole 62, then the insert ring 71 on the friction ring 70 is aligned with the slot 61, then the insert ring 71 is pinched, so that the insert ring 71 is deformed, the insert ring 71 is fed from the opening of the slot 61, then the insert ring 71 is pressed, so that the insert ring 71 is completely inserted into the slot 61, after the insert ring 71 completely enters the slot 61, the insert ring 71 is deformed, so that the side wall of the insert ring 71 is tightly attached to the inner wall of the slot 61, meanwhile, the end part of the fixing block 80 is unlimited, the fixing spring is deformed, the end part of the fixing block 80 is inserted into the positioning hole 711, the side wall of the fixing block 80 is abutted to the inner wall of the positioning hole 711, the limiting effect is achieved, so that the insert ring 71 is not exposed out of the slot 61, the fixed installation of the friction ring 70 on the armature 60 is realized, the friction ring 70 and the friction plate 11 are pressed and rubbed each time the fan blade 10 is stopped, so that the armature 60 is not worn, the service life of the armature 60 is prolonged,
referring to fig. 2 and 3, when the friction ring 70 needs to be disassembled, in order to facilitate the insertion ring 71 to be pulled out from the slot 61, a pull rope 90 is fixed on the fixing block 80, a limiting block 110 is fixed at one end of the pull rope 90 away from the fixing block 80, and the diameter of the limiting block 110 is larger than that of the pull rope 90 and is embedded on one side of the armature 60 close to the fan blade 10.
After the brake is used for a long time, the friction ring 70 is continuously in abutting friction with the friction plate 11, abrasion is easy to occur, the limiting block 110 is moved towards the direction close to the fan blade 10, the pull rope 90 is pulled, the fixing block 80 is driven to squeeze the fixing spring to be contained in the fixing hole 62, the movement of the insert ring 71 in the slot 61 is unlimited, the insert ring 71 is conveniently pulled out of the slot 61, and the old friction ring 70 is detached from the armature 60. Then, the insert ring 71 on the new friction ring 70 is fixedly inserted into the slot 61, so that the new friction ring 70 is fixedly mounted on the armature 60, and further the friction ring 70 is replaced, so that the braking effect of the brake is not affected by the worn friction ring 70.
Referring to fig. 3, in order to facilitate insertion of the insert ring 71 into the slot 61 such that the insert ring 71 does not interfere with the fixing block 80 during installation, a guide surface 81 is cut on a side of the fixing block 80 adjacent to the fan, and one end of the guide surface 81 adjacent to the insert ring 71 is inclined away from the fan blade 10.
When the insert ring 71 is inserted into the slot 61, the insert ring 71 abuts against the guide surface 81, the guide surface 81 plays a guiding role, so that the insert ring 71 slides on the guide surface 81, and meanwhile, the fixing block 80 is pushed to press the fixing spring to be accommodated in the fixing hole 62, so that the fixing block 80 cannot interfere with the insertion of the insert ring 71. After the insert ring 71 is completely inserted into the slot 61, the fixing block 80 is aligned with the positioning hole 711, and at this time, the end of the fixing block 80 is limited, so that the end of the fixing block 80 is inserted into the positioning hole 711 under the action of the fixing spring, thereby realizing the fixed installation of the insert ring 71 in the slot 61.
Referring to fig. 2 and 4, in order to further increase the stability of the insert ring 71 inserted in the insert groove 61, a plurality of receiving grooves 64 are formed in an inner wall of one side of the insert groove 61 opposite to the fixing hole 62, the plurality of receiving grooves 64 are uniformly distributed on an inner wall of the insert groove 61, a pressing plate 120 is inserted in the receiving grooves 64, a pressing spring 130 is disposed between the pressing plate 120 and an inner wall of the receiving groove 64, one end of the pressing spring 130 is fixed with the pressing plate 120, and the other end is fixed with the inner wall of the receiving groove 64.
After the insert ring 71 is completely inserted into the slot 61, the extrusion plate 120 moves towards the direction close to the insert ring 71 under the action of the extrusion spring 130 until the insert ring 71 abuts against the side wall of the insert ring 71, and extrudes the insert ring 71, so that one side of the insert ring 71 far away from the extrusion plate 120 abuts against the inner wall of the slot 61 more tightly, and a relative acting force is generated between the extrusion plate 120 and the inner wall of the slot 61, so that both opposite sides of the insert ring 71 are subjected to extrusion forces, and the stability of the insert ring 71 inserted into the slot 61 is further increased.
Referring to fig. 4, when the friction ring 70 needs to be detached from the armature 60, in order to prevent the squeeze plate 120 from affecting the movement of the insert ring 71, a connection rope 140 is fixed on the squeeze plate 120, a connection ring 150 is embedded in a side of the armature 60 close to the fan blade 10, and one ends of the connection ropes 140 far from the squeeze plate 120 are all fixed with the connection ring 150.
The connecting ring 150 is moved in a direction away from the magnetic ring 20, so that the connecting ropes 140 are simultaneously moved, and the plurality of squeeze plates 120 are driven to move in a direction away from the insert ring 71 until the squeeze plates 120 are separated from the insert ring 71, so that the side wall of the insert ring 71 loses the squeezing force, and the insert ring 71 is conveniently pulled out of the slot 61.
The implementation principle of the integrated power-losing disc brake provided by the embodiment of the utility model is as follows: when the fan blade 10 is used, the rotating shaft of the motor rotates, so that the fan blade 10 is driven to synchronously rotate. When the motor needs to be stopped, the electromagnetic coil 30 is powered off, so that the electromagnet 40 does not generate electromagnetic force, and the pushing spring 50 applies pushing force to the armature 60 in the direction approaching to the fan blade 10 until the friction ring 70 abuts against one side of the fan blade 10 approaching to the housing, so that friction force is generated between the friction ring 70 and the side wall of the fan blade 10, and the fan blade 10 stops rotating, namely the rotating shaft of the motor stops rotating.
After long-term use, the friction ring 70 is continuously in contact friction with the side wall of the fan blade 10, abrasion is easy to occur, the friction ring 70 is moved in a direction away from the armature 60 until the insert ring 71 is pulled out of the slot 61, and the old friction ring 70 is detached from the armature 60. Then, the insert ring 71 on the new friction ring 70 is aligned to the slot 61, then the insert ring 71 is pinched to deform the insert ring 71, the insert ring 71 is fed from the opening of the slot 61, then the insert ring 71 is pressed to completely insert the insert ring 71 into the slot 61, and after the insert ring 71 completely enters the slot 61, the insert ring 71 is restored to deform, so that the side wall of the insert ring 71 is tightly attached to the inner wall of the slot 61, the insert ring 71 is not easy to be pulled out from the slot 61, the fixed installation of the new friction ring 70 on the armature 60 is realized, and the replacement of the friction ring 70 is realized.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. An integrated power-losing disc brake is used for controlling rotation or stopping of a motor and comprises a magnetic ring (20), the magnetic ring (20) is fixed with a shell of the motor, the magnetic ring (20) is penetrated through a rotating shaft of the motor, a fan blade (10) is coaxially fixed on the rotating shaft of the motor, the magnetic ring (20) is located between the shell and the fan blade (10), an armature (60) is arranged between the magnetic ring (20) and the fan blade (10), a plurality of mounting holes (21) are formed in one side, close to the armature (60), of the magnetic ring (20), electromagnets (40) are inserted in the mounting holes (21), pushing springs (50) used for pushing the armature (60) towards the direction, close to the fan blade (10), a plurality of electromagnetic coils (30) are arranged in the magnetic ring (20), a friction ring (70) is arranged between the armature (60) and the fan blade (10), and the friction ring (70) is arranged on one side, close to the armature (60), of the fan blade (10), a plurality of mounting holes (21) are formed in one side, close to the armature (60), of the fan blade (60), and the two sides are provided with interference rings (61), and the inserting rings (61) are inserted in the inserting grooves (61).
2. The integrated power-losing disc brake according to claim 1, wherein a fixing hole (62) is formed in the inner wall of the slot (61), a fixing block (80) is inserted into the fixing hole (62), a fixing spring for pushing the fixing block (80) in a direction close to the insertion ring (71) is arranged in the fixing hole (62), and a positioning hole (711) for inserting the fixing block (80) is formed in the side wall of the insertion ring (71).
3. The integrated power-losing disc brake according to claim 2, wherein a guide surface (81) is arranged on one side of the fixed block (80) close to the friction ring (70), and one end of the guide surface (81) close to the insertion ring (71) is obliquely arranged in a direction away from the friction ring (70).
4. The integrated power-losing disc brake according to claim 2, wherein a guide block (82) is arranged on the side wall of the fixed block (80), the guide block (82) is located at one end of the fixed block (80) far away from the insertion ring (71), a guide groove (63) is arranged on the inner wall of the fixed hole (62), and the guide block (82) is inserted into the guide groove (63) and can move in the guide groove (63).
5. The integrated power-losing disc brake according to claim 2, wherein a pull rope (90) is fixedly connected to the fixed block (80), and one end of the pull rope (90) away from the fixed block (80) extends out of the armature (60).
6. The integrated power loss disc brake according to claim 5, wherein a stopper (110) is fixed at one end of the pull rope (90) extending out of the armature (60), and the diameter of the stopper (110) is larger than that of the pull rope (90).
7. The integrated power-losing disc brake according to claim 2, wherein a plurality of accommodating grooves (64) are formed in the inner wall of one side, opposite to the fixing holes (62), of the inserting groove (61), the accommodating grooves (64) are inserted with pressing plates (120), the accommodating grooves (64) are provided with pressing springs (130), and the pressing springs (130) are used for pressing the pressing plates (120) in a direction close to the fixing holes (62).
8. The integrated power-losing disc brake according to claim 7, wherein a connecting ring (150) is embedded on one side, close to the fan blade (10), of the armature (60), the extruding plate (120) is fixedly connected with connecting ropes (140), and one ends, far away from the extruding plate (120), of the connecting ropes (140) are fixed with the connecting ring (150).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321359052.9U CN219692082U (en) | 2023-05-31 | 2023-05-31 | Integrated power-losing disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321359052.9U CN219692082U (en) | 2023-05-31 | 2023-05-31 | Integrated power-losing disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692082U true CN219692082U (en) | 2023-09-15 |
Family
ID=87968896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321359052.9U Active CN219692082U (en) | 2023-05-31 | 2023-05-31 | Integrated power-losing disc brake |
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| Country | Link |
|---|---|
| CN (1) | CN219692082U (en) |
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2023
- 2023-05-31 CN CN202321359052.9U patent/CN219692082U/en active Active
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