阅读说明：本技术 一种制动器用手动解锁装置及电机 (Manual unlocking device for brake and motor ) 是由 张�杰 张微 李鹏 张振华 曹宽 孙世杰 马江涛 于 2021-09-26 设计创作，主要内容包括：本发明涉及一种制动器,具体涉及一种制动器用手动解锁装置及电机,解决传统制动器难以实现在非人力作用下手动解锁持续保持解锁状态的技术问题。该制动器用手动解锁装置包括设置在制动器上的解锁手柄,还包括防护壳体及操作机构；操作机构包括释放杆、旋转杆、限位杆、连接头及第一螺母；释放杆一端伸入防护壳体内,另一端位于防护壳体外；旋转杆设在释放杆位于防护壳体外的部分,限位杆设在释放杆伸入防护壳体内的部分；连接头一端设有U形开口,另一端与解锁手柄连接；第一螺母连接于释放杆上,其前端面为球面,且位于连接头U形开口后侧；防护壳体靠近旋转杆的端板上开设有与限位杆相适配的矩形通孔,实现制动器用手动解锁持续保持解锁状态。(The invention relates to a brake, in particular to a manual unlocking device and a motor for the brake, and solves the technical problem that the conventional brake is difficult to realize manual unlocking under the non-manual action and continuously keeps an unlocking state. The manual unlocking device for the brake comprises an unlocking handle arranged on the brake, a protective shell and an operating mechanism; the operating mechanism comprises a release lever, a rotating lever, a limiting lever, a connector and a first nut; one end of the release lever extends into the protective shell, and the other end of the release lever is positioned outside the protective shell; the rotating rod is arranged at the part of the release rod positioned outside the protective shell, and the limiting rod is arranged at the part of the release rod extending into the protective shell; one end of the connector is provided with a U-shaped opening, and the other end of the connector is connected with the unlocking handle; the first nut is connected to the release lever, the front end surface of the first nut is a spherical surface, and the first nut is positioned on the rear side of the U-shaped opening of the connector; the end plate of the protective shell close to the rotating rod is provided with a rectangular through hole matched with the limiting rod, so that the brake can be continuously unlocked by manual unlocking.)

1. The utility model provides a manual unlocking device for stopper, is including setting up unblock handle (2) on stopper (1) body, its characterized in that: the device also comprises a protective shell (3) and an operating mechanism; the operating mechanism comprises a release lever (4), a rotating lever (5), a limiting lever (6), a connector (7) and a first nut (8);

the release lever (4) is horizontally arranged, one end of the release lever (4) extends into the protective shell (3), and the other end of the release lever is positioned outside the protective shell (3);

the rotating rod (5) is vertically arranged at the other end of the releasing rod (4), and the limiting rod (6) is vertically arranged in the middle of the releasing rod (4) and is positioned in the protective shell (3);

one end of the connector (7) is provided with a U-shaped opening, the U-shaped opening is connected to one end of the release lever (4), and the other end of the connector (7) is provided with threads to be connected with the unlocking handle (2);

the first nut (8) is in threaded connection with one end of the release lever (4) and is positioned on the rear side of the U-shaped opening of the connector (7), and the front end face of the first nut (8) is spherical and is in contact with the U-shaped opening of the connector (7);

and a rectangular through hole (17) matched with the limiting rod (6) in shape and size is formed in the end plate, close to one end of the rotating rod (5), of the protective shell (3).

2. The manual unlocking apparatus for a brake according to claim 1, wherein: the spring (11) and the second nut (12) are also included;

the protective housing (3) is divided into a first chamber (9) and a second chamber (10) by a partition (16); one end of the release lever (4) penetrates through the partition plate (16) and extends into the second chamber (10);

the limiting rod (6) is positioned in the first cavity (9);

the spring (11) and the second nut (12) are both located in the second chamber (10); the second nut (12) is in threaded connection with the release lever (4) and is located at the front end of the U-shaped opening of the connector (7), the spring (11) is sleeved on the release lever (4), one end of the spring (11) is connected with the partition plate (16), and the other end of the spring is connected with the second nut (12).

3. The manual unlocking apparatus for a brake according to claim 2, wherein: the release lever also comprises a sealing ring (13), and the sealing ring (13) is arranged between the partition plate (16) and the release lever (4).

4. A manual unlocking device for a brake according to claim 3, wherein: and a rectangular shallow groove (14) which is perpendicular to the rectangular through hole (17) is also formed in the end plate at one end, close to the rotating rod (5), of the protective shell (3).

5. The manual unlocking apparatus for a brake according to claim 4, wherein: the rotating rod (5) is perpendicular to the limiting rod (6).

6. The manual unlocking apparatus for a brake according to claim 5, wherein: the release lever is characterized by further comprising a guide sleeve (15), the guide sleeve (15) is connected to the release lever (4) in a threaded mode, one end of the guide sleeve (15) is fixedly connected with the first nut (8), and the other end of the guide sleeve (15) is in contact with the second nut (12).

7. The manual unlocking apparatus for a brake according to claim 6, wherein: the guide sleeve (15) and the first nut (8) are integrally formed.

8. The manual unlocking apparatus for a brake according to claim 7, wherein: the release lever (4), the rotating lever (5), the limiting lever (6), the connector (7), the first nut (8) and the second nut (12) are formed by machining 1Cr18Ni9Ti antimagnetic stainless materials.

9. An electric machine characterized by: the motor is provided with a manual unlocking device for a brake according to any one of claims 1 to 8.

Technical Field

The invention relates to a brake, in particular to a manual unlocking device for the brake and a motor.

Background

As shown in fig. 1 and 2, a conventional brake with a manual unlocking function is provided with an unlocking handle 2 and an operating lever on a body of the brake 1; the unlocking handle is U-shaped, the middle part of the upper end of the unlocking handle is provided with an operating lever mounting hole, and the operating lever is a cylindrical long rod; the operating lever is broken by utilizing the lever principle, and is usually longer in order to make the operation easier; when the user uses the manual unlocking function, the brake can be unlocked only after the user needs to wrestling a certain unlocking angle towards the appointed direction, and when the unlocking state needs to be maintained, the user needs to maintain the operating lever at the unlocking position all the time by manpower.

However, when the brake with the manual unlocking function is used for the motor, the sealing problem of the manual unlocking brake is often solved by processing the operating lever housing in consideration of the motor sealing, when the brake is used for the manual unlocking function, a user needs to open the operating lever housing firstly and then break the operating lever to unlock, if the unlocking state is needed, the hand cannot release the operating lever, and when the brake is used up, the operating lever housing needs to be installed again to meet the requirement of the motor sealing.

In summary, when the conventional motor uses a manual unlocking function, the problem that the unlocking state is difficult to keep continuously under the non-manual action is still an important technical problem to be solved urgently.

Disclosure of Invention

The invention aims to solve the technical problem that the conventional brake is difficult to realize manual unlocking under the non-manual action and continuously keeps an unlocking state, and provides a manual unlocking device and a motor for the brake, so that the manual unlocking under the non-manual action and continuously keeps the unlocking state.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a manual unlocking device for stopper, includes the unblock handle that sets up on the stopper body, its special character lies in: the device also comprises a protective shell and an operating mechanism; the operating mechanism comprises a release lever, a rotating lever, a limiting lever, a connector and a first nut; the manual unlocking device for the brake is simple in structure, convenient and practical.

The release lever is horizontally arranged, one end of the release lever extends into the protective shell, and the other end of the release lever is positioned outside the protective shell;

the rotating rod is vertically arranged at the other end of the releasing rod, and the limiting rod is vertically arranged in the middle of the releasing rod and is positioned in the protective shell;

one end of the connector is provided with a U-shaped opening, the U-shaped opening is connected to one end of the release lever, and the other end of the connector is provided with threads connected with the unlocking handle;

the first nut is in threaded connection with one end of the release lever and is positioned on the rear side of the U-shaped opening of the connector, and the front end face of the first nut is spherical and is in contact with the U-shaped opening of the connector; through the design, the original arc-shaped unlocking track of the brake unlocking handle can be converted into the horizontal track of the release rod of the manual unlocking device for the brake.

And a rectangular through hole matched with the limiting rod in shape and size is formed in the end plate, close to one end of the rotating rod, of the protective shell and used for the limiting rod to penetrate through.

Further, the device also comprises a spring and a second nut;

the protective shell is divided into a first chamber and a second chamber by a partition plate; one end of the release lever penetrates through the partition plate and extends into the second chamber;

the limiting rod is positioned in the first cavity;

the spring and the second nut are both positioned in the second chamber; the second nut is in threaded connection with the release lever and is positioned at the front end of the U-shaped opening of the connector, and the brake with different unlocking angles can be adapted by adjusting the threaded matching distance between the first nut and the second nut; the spring cover is established on the release lever, and the one end and the baffle of spring are connected, and the other end is connected with the second nut, and the stopper makes the spring be in compression state when non-unlocking state, can prevent that manual unlocking device's release lever from taking place relative displacement and the mistake unblock that leads to in the vibration environment.

Further, the release lever comprises a sealing ring which is arranged between the partition plate and the release lever, so that the manual unlocking device for the brake has a good sealing function.

Furthermore, the end plate of the protection shell close to one end of the rotating rod is further provided with a rectangular shallow groove perpendicular to the rectangular through hole, the release rod is pulled to unlock the brake, the release rod is rotated to enable the limiting rod to enter the rectangular shallow groove, and the unlocking state of the brake under the non-manual action can be kept.

Further, the rotating rod is perpendicular to the limiting rod.

Further, still include the uide bushing, this uide bushing threaded connection is on the release lever, and uide bushing one end links firmly with first nut, and the other end contacts with the second nut.

Further, the guide sleeve and the first nut are integrally machined and formed.

Furthermore, the release lever, the rotating lever, the limiting lever, the connector, the first nut and the second nut are made of 1Cr18Ni9Ti antimagnetic stainless material, so that the antimagnetic effect can be achieved, the structural strength is ensured, and the antimagnetic nut is suitable for a high-humidity environment.

The invention also provides a motor, which is characterized in that: including the above-described manual unlocking device for the brake.

Compared with the prior art, the technical scheme of the invention has the beneficial effects that:

1. when the manual unlocking device for the brake needs to unlock the brake, the release rod is pulled to the position that the limiting rod is completely positioned outside the protective shell, then the rotating rod is rotated, and the limiting rod is placed in the rectangular shallow groove, so that the brake is kept in a continuous unlocking state under the non-manual action; when needs braking, the reversal rotary rod releases the gag lever post, makes it resume the normal position, and the stopper resumes to the braking state simultaneously, and the device is small, and the flexibility of operation is high, still can keep lasting unblock under the non-manpower action simultaneously, and human cost and time cost when the stopper has lasted the unblock greatly reduced.

2. According to the manual unlocking device for the brake, the U-shaped opening of the connector is in spherical contact with the front end face of the first nut, the arc-shaped unlocking track of the unlocking handle on the traditional brake body is converted into the horizontal track of the release lever of the manual unlocking device for the brake, the brake with different unlocking distances is adapted by adjusting the distance between the first nut and the second nut, and the manual unlocking device for the brake is wider in applicability and simpler in unlocking operation.

3. The spring installed on the manual unlocking device for the brake is in a compressed state, so that the release lever of the manual unlocking device can be prevented from being displaced relatively in a vibration environment to cause mistaken unlocking.

4. The protective shell and the sealing ring of the manual unlocking device for the brake can meet the protection function of equipment with high IP protection level requirements.

5. The release lever, the rotating lever, the limiting lever, the connector, the first nut and the second nut of the manual unlocking device for the brake are made of 1Cr18Ni9Ti antimagnetic stainless materials, so that the device is safer and more reliable when used in permanent magnet motors or other magnetic application occasions, can also ensure structural strength and is suitable for high-humidity environments.

Drawings

FIG. 1 is a schematic diagram of a conventional brake with a manual operating lever;

FIG. 2 is a schematic structural diagram of a manual unlocking mode of a conventional brake in a motor braking state;

FIG. 3 is a schematic structural view of a manual unlocking device for the brake of the present invention;

FIG. 4 is a schematic structural view of a manual unlocking device and a motor braking state for the brake of the present invention;

FIG. 5 is a left side view of FIG. 4;

FIG. 6 is a schematic structural view of a manual unlocking device and a motor unlocking holding state for the brake of the present invention;

FIG. 7 is a left side view of FIG. 6;

fig. 8 is a perspective view of a protective housing of the manual unlocking apparatus for a brake according to the present invention;

fig. 9 is a sectional view of a protective housing of the manual unlocking apparatus for a brake according to the present invention;

FIG. 10 is a perspective view of a release lever of the manual unlocking means for the brake of the present invention;

FIG. 11 is a schematic structural view of a first nut of the manual unlocking device for the brake according to the present invention;

FIG. 12 is a schematic structural view of a second nut of the manual unlocking device for the brake according to the present invention;

FIG. 13 is a schematic structural view of a connecting head of the manual unlocking device for a brake according to the present invention;

the reference numbers in the figures are:

1-brake, 2-unlocking handle, 3-protective shell, 4-release rod, 5-rotating rod, 6-limiting rod, 7-connector, 8-first nut, 9-first chamber, 10-second chamber, 11-spring, 12-second nut, 13-sealing ring, 14-rectangular shallow groove, 15-guide sleeve, 16-partition plate and 17-rectangular through hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

The invention provides a manual unlocking device for a brake, which is arranged on a brake 1 of a motor, and comprises an unlocking handle 2 arranged on a brake 1 body, a protective shell 3 and an operating mechanism, as shown in figure 3; the brake is low in manufacturing price and flexible in operation method, and meanwhile labor cost and time cost when the brake 1 is continuously kept unlocked are greatly reduced.

The operating mechanism comprises a release lever 4, a rotating lever 5, a limiting lever 6, a connector 7 and a first nut 8; the release lever 4 is horizontally arranged, one end of the release lever 4 is positioned outside the protective shell 3, and the other end of the release lever 4 extends into the protective shell 3;

the rotating rod 5 is vertically arranged at the other end of the releasing rod 4, and the limiting rod 6 is vertically arranged in the middle of the releasing rod 4 and is positioned in the protective shell 3;

as shown in fig. 13, one end of the connector 7 is provided with a U-shaped opening, the U-shaped opening is connected to one end of the release lever 4, and the other end of the connector 7 is provided with threads to be connected with the unlocking handle 2;

as shown in fig. 8, a rectangular through hole 17 adapted to the shape and size of the limiting rod 6 is formed in an end plate of the protective housing 3 near one end of the rotating rod 5 for the limiting rod 6 to pass through; the end plate of the protective shell 3 close to one end of the rotating rod 5 is further provided with a rectangular shallow groove 14 perpendicular to the rectangular through hole 17, the rectangular shallow groove 14 limits the limiting rod 6 to rotate under the action of non-manpower, and the brake 1 is kept in a continuous unlocking state.

As shown in fig. 9, the protective housing 3 is divided into a first chamber 9 and a second chamber 10 by a partition plate 16, a limit rod 6 is arranged in the first chamber 9 of the protective housing 3, and a sealing ring 13 is arranged between the partition plate 16 and the release rod 4, so that the protective function of the equipment required by the IP protection level can be met; a spring 11 and a second nut 12 are arranged in the second chamber 10 of the protective shell 3; the second nut 12 is in threaded connection with the release lever 4, is positioned at the front end of the U-shaped opening of the connector 7 and limits the U-shaped opening of the connector 7; spring 11 overlaps on release lever 4, and spring 11's one end is connected with baffle 16, and the other end is connected with second nut 12, and when stopper 1 kept lasting unblock state, spring 11 is in compression state, can prevent that release lever 4 of manual unlocking means from taking place relative displacement and the mistake unblock that leads to in the vibration environment.

As shown in fig. 11, the first nut 8 is connected with a guide sleeve 15, the guide sleeve 15 and the first nut 8 are integrally formed, one end of the guide sleeve 15 is fixedly connected with the first nut 8, and the other end of the guide sleeve 15 is in contact with the second nut 12. The first nut 8 and the guide sleeve 15 are in threaded connection with the release lever 4, the first nut 8 is arranged on the rear side of the U-shaped opening of the connector 7, and the front end face of the first nut 8 is spherical and is in contact with the U-shaped opening of the connector 7; 8 front end sphere of first nut contacts with the U-shaped opening of connector 7, with the arc unblock orbit of unblock handle 2 on the traditional stopper 1 body, converts the horizontal orbit of stopper 1 with manual unlocking means release lever 4 into, through the distance between adjustment first nut 8 and the second nut 12, the stopper 1 of the different unblock distances of adaptation, the wider and unblock operation of suitability is simpler.

In this embodiment, the rotating rod 5 and the limiting rod 6 are perpendicular to each other, so that when the rotating rod 5 rotates by 90 degrees, the limiting rod 6 just rotates into the rectangular shallow groove 14; the parts of the rotating rod 5 and the limiting rod 6 which are fastened on the release rod 4 by threads are fixed by structural adhesive; the threaded connection part of the connector 7 and the unlocking handle 2 is fixed by thread locking glue; the release lever 4, the rotating lever 5, the limiting lever 6, the connecting head 7, the first nut 8 and the second nut 12 are made of 1Cr18Ni9Ti antimagnetic stainless materials in a machining mode, so that the device is safer and more reliable when used in permanent magnet motors or other magnetic application occasions, the structural strength can be guaranteed, and the device is suitable for high-humidity environments.

The working principle of the above embodiment is as follows:

when the brake 1 is unlocked manually, as shown in fig. 6 and 7, the release lever 4 is pulled horizontally manually, the release lever 4 is matched with the U-shaped opening of the connector 7 through the front end spherical surface of the first nut 8, the arc-shaped unlocking track of the unlocking handle 2 is converted into the horizontal track of the release lever 4 of the manual unlocking device for the brake 1, meanwhile, the spring 11 is compressed in the second chamber 10 of the protection shell 3 along the pulling direction of the release lever 4, the limiting rod 6 passes through the rectangular through hole 17, the first chamber 9 of the protection shell 3 is completely pulled out, the rotating rod 5 is rotated to clamp the limiting rod 6 in the rectangular shallow groove 14 on the end plate of the protection shell 3, and the brake 1 is kept unlocked continuously by the manual unlocking device under the non-manual action.

When the brake 1 is manually braked, as shown in fig. 4 and 5, the release lever 4 is manually pulled horizontally to pull the limiting rod 6 out of the rectangular shallow groove 14, the rotating lever 5 is rotated again until the limiting rod 6 can pass through the rectangular through hole 17 and enter the first chamber 9 of the protective shell 3, the limiting rod 6 is restored to the original position, and the brake 1 is restored to the braking state; in the second chamber 10 the spring 11 is in a slightly compressed state, ensuring the relative position of the U-shaped opening of the connector 7 and the unlocking direction.