CN216975607U

CN216975607U - Elastic pressurizing brake

Info

Publication number: CN216975607U
Application number: CN202220058997.6U
Authority: CN
Inventors: 李效龙; 李涛; 王志刚; 张俊峰; 沈锦龙
Original assignee: Nanjing High Speed and Accurate Gear Group Co Ltd
Current assignee: Nanjing High Speed and Accurate Gear Group Co Ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-07-15
Anticipated expiration: 2032-01-11

Abstract

The utility model relates to the technical field of brakes and discloses an elastic pressurizing brake. The elastic pressurizing brake comprises a rotor, a stator, a pressing piece, an elastic piece and a releasing device. The stator cover is located the rotor, the mounting hole has been seted up on the stator, it establishes movably to compress tightly the piece on the stator, compress tightly the piece and can compress tightly or release the rotor, every can place one in the mounting hole the elastic component, can hold not unidimensional in the mounting hole the elastic component, the one end butt of elastic component in compress tightly the piece, compress tightly the piece can compress tightly under the effect of elastic component the rotor, the release set up in the stator, the release can drive compress tightly a release the rotor. The elastic pressurizing brake has adjustable braking torque, high braking capacity and product matching capacity, and low cost.

Description

Elastic pressurizing brake

Technical Field

The utility model relates to the technical field of brakes, in particular to an elastic pressurizing brake.

Background

The traditional elastic pressurizing brake is mainly formed by mutually assembling a stator assembly, an armature, a rotor, a shaft sleeve, a spring, a flange plate or a friction disc, a sleeve and a fixing bolt. The stator assembly is formed by plastically packaging a stator shell and a coil. After the traditional elastic pressurizing brake is assembled, the brake torque is basically determined because the coil is subjected to plastic package and the spring cannot be adjusted and replaced, and the brake torque cannot be adjusted in a large range. However, the rotor has the performance of bearing a larger torque range, the performance of the stator assembly and the spring is not matched with the performance of the rotor, so that the performance waste is large, and the performance requirement of braking of the yaw gearbox cannot be met.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide an elastic pressurizing brake, which has adjustable braking torque, higher matching capability between braking capability and products and lower cost.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an elastic pressurized brake comprising:

a rotor;

the stator is sleeved on the rotor and provided with a mounting hole;

the pressing piece is movably arranged on the stator and can press or release the rotor;

the elastic piece can be placed in each mounting hole, the elastic pieces with different sizes can be accommodated in the mounting holes, one end of each elastic piece abuts against the pressing piece, and the pressing piece can press the rotor under the action of the elastic pieces;

and the loosening device is arranged in the stator and can drive the pressing piece to release the rotor.

As a preferable aspect of the elastic pressurizing brake, the brake further includes:

the guide sleeve can be placed in each mounting hole, the guide sleeves with different sizes can be placed in the mounting holes, and the elastic piece is arranged in each guide sleeve.

As a preferable aspect of the elastic pressing brake, a plurality of the mounting holes are the same in size.

In a preferred embodiment of the elastic compression brake, all the mounting holes with the same size in the plurality of mounting holes form a set of mounting holes.

Preferably, the plurality of sets of mounting holes are arranged at intervals in a radial direction of the stator.

the adjusting piece is arranged in the mounting hole and abutted against one end, far away from the pressing piece, of the elastic piece, and the position of the adjusting piece in the axial direction of the mounting hole is adjustable.

a retaining member, the retaining member connected to the adjusting member, the retaining member capable of locking the adjusting member.

As a preferable mode of the elastic compression brake, the release device includes an electromagnetic element, the electromagnetic element can attract the compression member when being powered on so that the compression member releases the rotor, and the electromagnetic element can release the compression member when being powered off.

the rotor sets up in one side of brake disc, the rotor can be in compress tightly the effect of piece down with brake disc butt or separation.

the fixing piece penetrates through the stator, the pressing piece and the brake disc in sequence.

The utility model has the beneficial effects that:

the utility model provides an elastic pressurizing brake which comprises a rotor, a stator, a pressing piece, an elastic piece and a loosening device, wherein the stator is sleeved on the rotor, a mounting hole is formed in the stator, the elastic pieces with different sizes can be accommodated in the mounting hole, the elastic pieces with different sizes have different elastic forces, the pressing piece can press the rotor under the action of the elastic piece, and the pressing force on the rotor under the action of the elastic pieces with different sizes is different, so that the braking and the braking torque can be adjusted. Namely, the elastic pieces with different sizes are arranged in the mounting hole, so that the pressing force can be adjusted, and the braking torque can be adjusted. Meanwhile, a plurality of mounting holes can be formed, when the braking torque needs to be adjusted, the pressing force applied to the pressing piece by all the elastic pieces can be changed by arranging different numbers of elastic pieces and arranging the elastic pieces with different sizes, and therefore the braking torque can be changed. And when the brake state needs to be relieved, the loosening device drives the pressing piece to release the rotor, so that the rotor can rotate freely, at the moment, the pressing piece compresses the elastic piece, and when the loosening device relieves the drive of the pressing piece, the pressing piece presses the rotor under the action of the elastic piece again, and the brake is realized. Under the structure, the brake torque can be adjusted, the size of the elastic piece in one of the mounting holes can be changed to change the torque, the sizes of the elastic pieces in all the mounting holes can be changed to change the torque, and the adjusting range is large. The elastic pressurizing brake can select different numbers of elastic pieces with different sizes according to the required braking torque so as to match different products, namely the adjustment of the braking torque of the elastic pressurizing brake is realized, the adjustment range is wider, and the applicability is wider.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic diagram of a resilient compression brake according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a partial structural view of an elastic pressurizing brake according to another embodiment of the present invention.

In the figure:

1. a rotor; 2. a stator; 3. a compression member; 4. an elastic member; 5. a guide sleeve; 6. an adjustment member; 61. a movable member; 62. an adjustment head; 7. a locking member; 8. an electromagnetic element; 9. a brake disc; 10. and a fixing member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 and 2, the present embodiment provides an elastic pressurized brake including a rotor 1, a stator 2, a pressing member 3, and an elastic member 4. The stator 2 is sleeved on the rotor 1, and the stator 2 is provided with a mounting hole; compress tightly 3 movably and establish on stator 2, compress tightly 3 and can compress tightly or release rotor 1, the elastic component 4 sets up in the mounting hole, can hold the elastic component of unidimensional in the mounting hole, the one end butt of elastic component 4 in compressing tightly 3, compress tightly 3 and can compress tightly rotor 1 under the effect of elastic component 4. Through with stator 2 cover on rotor 1 to set up the mounting hole on stator 2, and can hold the elastic component 4 of different sizes in the mounting hole, the elastic component 4 of different sizes has different elastic force, compresses tightly 3 and can compress tightly rotor 1 under the effect of elastic component 4, and the pressing force 3 to rotor 1 is also different under the effect of the elastic component 4 of different sizes, thereby realizes braking and braking torque's regulation. Namely, the elastic pieces 4 with different sizes are arranged in the mounting holes, so that the pressing force can be adjusted, and the braking torque can be adjusted. Meanwhile, a plurality of mounting holes can be formed, when the braking torque needs to be adjusted, the pressing force applied to the pressing piece 3 by all the elastic pieces 4 can be changed by arranging different numbers of the elastic pieces 4 and arranging the elastic pieces with different sizes, and therefore the braking torque can be changed. Under the structure, the brake torque can not be adjusted, the size of the elastic part 4 in one of the mounting holes can be changed to change the torque, the sizes of the elastic parts 4 in all the mounting holes can be changed to change the torque, and the adjusting range is large. The elastic pressurizing brake can select different numbers of elastic pieces 4 with different sizes according to the required braking torque so as to match different products, namely the adjustment of the braking torque of the elastic pressurizing brake is realized, and the elastic pressurizing brake has larger adjustment range and wider applicability. Meanwhile, the elastic member 4 is always abutted to the pressing member 3 in a natural state, so that the pressing member 3 presses the rotor 1, and the elastic pressurizing brake is in a braking state. When the braking state needs to be relieved, the rotor 1 is released through the loosening device driving pressing piece 3, the pressing piece 3 reversely compresses the elastic piece 4 due to the loosening device driving pressing piece 3, the elastic piece moves towards one side departing from the pressing piece 3 to be separated from the pressing piece 3, the pressing piece 3 releases the rotor 1, the rotor 1 is released from the brake disc 9, the brake disc 9 can rotate relative to the brake disc 9, and the braking state is relieved.

Alternatively, the elastic member 4 may be a spring, or may be another elastic structure.

Preferably, the plurality of mounting holes are spaced and uniformly arranged in the circumferential direction of the stator 2. Elastic component 4 can follow stator 2's circumference interval as far as possible and evenly set up for the closing force that compresses tightly that 3 received is as even as possible, thereby has guaranteed the even atress of rotor 1 friction wear, has promoted the equilibrium of rotor 1 atress wearing and tearing. More preferably, all the mounting holes of the plurality of mounting holes having the same size constitute one set of mounting hole groups, and the plurality of sets of mounting holes are arranged at intervals in the radial direction of the stator 2. The elastic pieces 4 can be arranged at intervals and uniformly along the radial direction of the stator 2, and the balance of the forced abrasion of the rotor 1 is further improved. Exemplarily, two sets of mounting holes are arranged in the set, and the two sets of mounting holes are arranged at intervals along the radial direction of the stator 2, so that both the inner ring and the outer ring of the rotor 1 can be stressed, and the balance of the stressed abrasion of the rotor 1 is improved.

Specifically, as shown in fig. 1, the elastic pressure brake further includes a brake disc 9, the rotor 1 is disposed on one side of the brake disc 9, and the rotor 1 can abut against or separate from the brake disc 9 by the pressing member 3. When the elastic piece 4 abuts against the pressing piece 3 to apply force to the elastic piece, the pressing piece 3 abuts against the rotor 1 and applies force towards the brake disc 9 to the rotor 1, so that the rotor 1 is abutted against the brake disc 9 to be pressed, the rotation of the rotor 1 relative to the brake disc 9 is limited, and the braking function is realized. When the pressing member 3 releases the rotor 1, the rotor 1 is separated from the brake disk 9, so that the rotor 1 can rotate relative to the brake disk 9, thereby achieving the brake release function.

In this embodiment, the stator 2, the pressing member 3, and the brake disc 9 are fixed by the fixing member 10, that is, the fixing member 10 sequentially penetrates through the stator 2, the pressing member 3, and the brake disc 9. Under the structure, the rotor 1 is limited between the brake disc 9 and the pressing piece 3 and can rotate relatively to realize braking or brake releasing. Exemplarily, mounting 10 is the bolt, has all seted up the fixed orifices on brake disc 9, the piece 3 that compresses tightly and the stator 2, and the sleeve wears to locate the fixed orifices on brake disc 9, the piece 3 that compresses tightly and the stator 2, is provided with the internal thread in the sleeve, and the bolt is fixed with the interior threaded connection of sleeve to realize brake disc 9, compress tightly the connection of piece 3 and stator 2. Of course, in other embodiments, the brake disk 9, the pressing member 3 and the stator 2 may be connected and fixed by other structures.

In this embodiment, the release device includes electromagnetic element 8, and electromagnetic element 8 can adsorb when circular telegram and compress tightly piece 3, and electromagnetic element 8 can loosen when cutting off the power supply and compress tightly piece 3, compresses tightly rotor 1 under the effect of elastic component 4 by 3. Whether control electromagnetic element 8 through automatically controlled switch and energize, when electromagnetic element 8 switched on, electromagnetic element 8 had the magnetic attraction, and electromagnetic element 8 adsorbs to compress tightly 3 this moment for compress tightly 3 and move to electromagnetic element 8 under the magnetic attraction effect on, and compress tightly the elastic component 4 at the removal in-process, compress tightly 3 and keep away from rotor 1, make rotor 1 loosen brake disc 9. When electromagnetic element 8 cuts off the power supply, electromagnetic element 8's magnetic attraction disappears, and electromagnetic element 8 can't adsorb promptly and compress tightly piece 3, compresses tightly 3 this moment and receives the effect of elastic component 4, compresses tightly 3 and is promoted to the butt in rotor 1 once more by elastic component 4 for rotor 1 compresses tightly brake disc 9 once more. Adopt electromagnetic element 8 and elastic component 4 cooperation to use, realize compressing tightly 3 and can compress tightly or loosen rotor 1, not only simple structure, and the reaction is sensitive quick, and braking effect is better.

Preferably, the pressing member 3 is an armature, has high structural strength, and can be adsorbed by the electromagnetic element 8.

Further, as shown in fig. 2, the elastic pressurized brake further includes a guide sleeve 5, the guide sleeve 5 is disposed in the mounting hole, the guide sleeves 5 with different sizes can be placed in the mounting hole, and the elastic member 4 is disposed in the guide sleeve 5. Elastic component 4 sets up in uide bushing 5, and uide bushing 5 provides the guide effect for elastic component 4 can be followed uide bushing 5 and removed, guarantees elastic component 4's mobility stability. Meanwhile, one elastic piece 4 is matched with one guide sleeve 5, namely the number of the mounting holes can be set to be the same inner diameter size and length size, the structural strength of the stator 2 is improved, and the service life of the elastic pressurizing brake is prolonged. When the elastic part 4 of different sizes is selected, the elastic part 4 of different sizes has different elastic forces, so that the pressing torque of the pressing part 3 is different, the guide sleeve 5 with corresponding inner diameter size and length size can be selected to be installed in the installation hole, and the elastic pressing brake is convenient to replace, so that the braking torque can be adjusted, the applicability and the practicability of the elastic pressing brake are improved, and the waste of redundant braking torque or insufficient braking torque is avoided.

Furthermore, the elastic pressure brake further comprises an adjusting piece 6, the adjusting piece 6 is arranged in the installation hole and abuts against the elastic piece 4, and the position of the adjusting piece 6 in the axial direction of the installation hole is adjustable. Because the elastic component 4 is abutted to the pressing component 3 in the initial state, when the position of the adjusting component 6 is closer to the pressing component 3, the deformation of the elastic component 4 is larger, and the pressure applied to the pressing component 3 by the elastic component 4 is larger, otherwise, when the position of the adjusting component 6 is farther from the pressing component 3, the deformation of the elastic component 4 is smaller, and the pressure applied to the pressing component 3 by the elastic component 4 is smaller. Simultaneously, regulating part 6 sets up in the mounting hole, and regulating part 6 can stretch into or take out from the outside of mounting hole for when needs adjust brake moment, need not to dismantle stator 2 and can realize brake moment's regulation through regulating part 6, save the regulation time, and can obtain real-time feedback, make the regulation more accurate. Through setting up regulating part 6, can adjust the packing force of elastic component 4 to compressing tightly 3, and when the braking moment that needs adjust is not big, need not to change elastic component 4, directly can realize the regulation of braking moment through the position of adjustment regulating part 6, easy operation, convenient to use, the control range of braking moment is wider.

Preferably, one end of the adjusting member 6 is provided with a locker 7, the locker 7 is coupled to the adjusting member 6, and the locker 7 can lock or release the adjusting member 6. After the adjusting part 6 finishes adjusting, the adjusting part 6 is locked by the locking part 7, so that the change of braking torque caused by the sliding of the adjusting part 6 is avoided, and the stability of the elastic pressurizing brake is improved. More preferably, regulating part 6 is the bolt, and retaining member 7 is the nut, and the mounting hole includes the installation section and adjusts the section, and uide bushing 5 sets up in the installation section, is provided with the internal thread in the regulation section, and the bolt can stretch into the regulation section and with internal thread connection, and the nut can the locking bolt, is convenient for adjust, improves and adjusts the precision. In this embodiment, form first step between installation section and the regulation section, the aperture of regulation section is greater than the aperture of installation section, and regulating part 6 includes main aspects and segment, and the segment can stretch into in the mounting hole with 4 butts of elastic component, main aspects can the butt in first step. Under above-mentioned structure, can avoid regulating part 6 to stretch into the mounting hole completely, the setting of first step can restrict regulating part 6's control range, avoids regulating part 6 to take place the drunkenness along the mounting hole, improves regulation stability. In order to improve compact structure nature and improve pleasing to the eye degree, the mounting hole still includes the locking section, and the locking section is located the one end that the installation section was kept away from to the regulation section, and the aperture of locking section is greater than the aperture of adjusting the section to form the second step between locking section and regulation section, retaining member 7 sets up in the locking section and can the butt in this second step, with locking regulating part 6.

In another embodiment, as shown in fig. 3, the adjusting element 6 includes a movable element 61 and an adjusting head 62, the movable element 61 is movably disposed in the mounting section along the axial direction of the mounting hole and abuts against the elastic element 4, the adjusting head 62 is partially disposed in the adjusting section and can abut against the movable element 61, the other portion is located in the locking section, and the adjusting head 62 can move along the axial direction of the mounting hole to drive the movable element 61 to move. Optionally, be provided with the internal thread in the regulation section, adjust the head and be provided with the external screw thread, realize through rotatory regulation head 62 that regulation head 62 stretches into the length adjustment of regulation section, realize stretching into the length adjustment of installation section to moving part 61 to make moving part 61 apply the power change for the elastic component, realize braking torque's regulation.

The elastic pressurizing brake provided by the embodiment has the advantages that in a limited design space, the space structure size, the stress characteristic and the running-in load balancing performance of parts are optimized, the braking torque adjusting range of the elastic pressurizing brake and the performance matching capacity among the parts are comprehensively improved, the braking capacity and the product matching capacity of the elastic pressurizing brake are greatly improved, the types and the number of the parts of the elastic pressurizing brake are reduced, the development requirement of wind power new energy can be greatly met, and the cost is reduced.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. An elastic compression brake, comprising:

a rotor (1);

the stator (2) is sleeved on the rotor (1), and a mounting hole is formed in the stator (2);

the pressing piece (3) is movably arranged on the stator (2), and the pressing piece (3) can press or release the rotor (1);

the elastic piece (4) can be placed in each mounting hole, the elastic pieces (4) with different sizes can be accommodated in the mounting holes, one end of each elastic piece (4) abuts against the pressing piece (3), and the pressing piece (3) can press the rotor (1) under the action of the elastic pieces (4);

and the loosening device is arranged in the stator (2) and can drive the pressing piece (3) to release the rotor (1).

2. The resilient pressurized brake of claim 1, further comprising:

the guide sleeve (5) can be placed in each mounting hole, the guide sleeve (5) with different sizes can be placed in the mounting holes, and the elastic piece (4) is arranged in the guide sleeve (5).

3. The resilient pressurized brake of claim 2, wherein a plurality of said mounting holes are the same size.

4. The resilient pressurized brake of claim 1 or 2, wherein all of the mounting holes of the plurality of mounting holes that are the same size form a set of mounting holes.

5. An elastic pressurized brake according to claim 4, characterized in that a plurality of sets of said mounting holes are provided at intervals in the radial direction of the stator (2).

6. The resilient pressurized brake of claim 1, further comprising:

the adjusting piece (6) is arranged in the mounting hole and abutted to one end, far away from the pressing piece (3), of the elastic piece (4), and the position of the adjusting piece (6) along the axial direction of the mounting hole is adjustable.

7. The resilient pressurized brake of claim 6, further comprising:

retaining member (7), retaining member (7) connect in regulating part (6), retaining member (7) can lock regulating part (6).

8. An elastic pressurized brake according to claim 1, characterized in that the release means comprise an electromagnetic element (8), the electromagnetic element (8) being capable of attracting the hold-down member (3) when energized to cause the hold-down member (3) to release the rotor (1), the electromagnetic element (8) being capable of releasing the hold-down member (3) when de-energized.

9. The resilient pressurized brake of claim 1, further comprising:

the rotor (1) is arranged on one side of the brake disc (9), and the rotor (1) can be abutted against or separated from the brake disc (9) under the action of the pressing piece (3).

10. The resilient pressurized brake of claim 9, further comprising:

the fixing piece (10), the fixing piece (10) wear to locate in proper order stator (2), compress tightly piece (3) and brake disc (9).