CN218771623U

CN218771623U - Winch speed reduction motor with ratchet wheel brake

Info

Publication number: CN218771623U
Application number: CN202222601365.2U
Authority: CN
Inventors: 张人怡; 张国纲; 丁国强; 周军; 汤良道
Original assignee: Zhejiang Nowvow Mechanical & Electrical Corp ltd
Current assignee: Zhejiang Nowvow Mechanical & Electrical Corp ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-03-28
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a take capstan winch gear motor of ratchet braking belongs to the brake motor field, has solved the unstable problem of brake motor's braking effect, and the technical scheme who solves this problem is mainly a take capstan winch gear motor of ratchet braking, including motor and the reduction gear assembly who is connected with motor drive, be equipped with output gear and the main shaft that the transmission is connected in the reduction gear assembly, output gear is connected with the output shaft transmission of motor, be equipped with synchronous pivoted ratchet on the output gear, ratchet week side is equipped with braking component, braking component includes fixed axle, pressure spring and pawl, the pawl rotates with the fixed axle to be connected, the pressure spring promotes the pawl and is close to the ratchet. The utility model discloses mainly used improves the braking effect of motor.

Description

Winch speed reduction motor with ratchet wheel brake

[ technical field ] A method for producing a semiconductor device

The utility model discloses a take capstan winch gear motor of ratchet braking belongs to brake motor technical field.

[ background ] A method for producing a semiconductor device

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, the brake motor is one of the motors, the brake motor comprises a motor body and a brake, the brake is used for braking the motor body, the brake of the traditional brake motor is usually a brake pad, braking is realized through friction, but in long-term braking, the brake pad is easy to generate heat and damage, and the brake force is reduced quickly after the brake pad is worn, so that the service life of the brake is shortened.

[ Utility model ] content

The utility model aims to solve the unstable problem of brake motor's braking effect, provide a take capstan winch gear motor of ratchet braking for this reason, this capstan winch gear motor has more stable braking effect.

Solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a take capstan winch gear motor of ratchet braking, includes the motor and the reduction gear assembly who is connected with motor drive, be equipped with output gear and the main shaft that the transmission is connected in the reduction gear assembly, output gear is connected with the output shaft transmission of motor, be equipped with synchronous pivoted ratchet on the output gear, ratchet week side is equipped with braking component, braking component includes fixed axle, pressure spring and pawl, the pawl rotates with the fixed axle to be connected, the pressure spring promotes the pawl and is close to the ratchet.

Preferably, the main shaft is provided with a first gear, the output gear is provided with a transmission gear meshed with the first gear, the output gear and the transmission gear rotate synchronously, and the output gear and the transmission gear clamp the ratchet wheel.

Preferably, friction plates are arranged on two side faces of the ratchet wheel.

Preferably, the transmission gear is sleeved with a brake pressure plate, the transmission gear comprises a rotation stopping shaft, the brake pressure plate is provided with a rotation stopping hole matched with the rotation stopping shaft, and the ratchet wheel is located between the brake pressure plate and the output gear.

Preferably, the transmission gear is provided with a connecting shaft, the output gear is provided with a through hole for the connecting shaft to pass through, and the connecting shaft is in interference fit with the through hole; or the connecting shaft and the through hole are both provided with threads, and the connecting shaft and the through hole are connected through the threads.

Preferably, bearings are arranged at two ends of the connecting shaft.

Preferably, the pawl is provided with a positioning hole for the fixed shaft to pass through, the fixed shaft is sleeved with a positioning sleeve, and the positioning sleeve is located in the positioning hole.

Preferably, the speed reducer assembly comprises a box body, a fixed seat is arranged in the box body, and two ends of the pressure spring are respectively connected with the pawl and the fixed seat.

Preferably, the fixed seat is provided with a groove for mounting the pressure spring; and/or a groove for mounting the pressure spring is arranged on the pawl.

Preferably, an output shaft of the motor is provided with a second gear, and the second gear is meshed with the output gear.

Adopt the beneficial effects of the utility model are that:

1. the utility model discloses a synchronous rotation of output gear, the output gear is equipped with synchronous pivoted ratchet, ratchet week side is equipped with braking component, braking component includes pressure spring and pawl, and when the motor normally operated, the ratchet normally rotated, and after the motor stops working, the load drove main shaft antiport, and the ratchet on the output gear along with main shaft antiport, at this moment the tooth on pawl and the ratchet withstood each other, restriction ratchet antiport thereby reaches the effect of braking, the utility model discloses a ratchet and pawl realize braking, ratchet and pawl have reduced the heating and the wearing and tearing that produce because of the friction in braking process, have reduced ratchet and pawl and have used for a long time and impaired, have improved the utility model discloses a life;

2. the brake assembly comprises a fixed shaft, a pressure spring and a pawl, the pawl is rotationally connected with the fixed shaft, the pressure spring pushes the pawl to be close to a ratchet wheel, the ratchet wheel rotates along with the output gear when the motor normally operates, the pressure spring pushes the pawl to be attached to the side face of the ratchet wheel, and when the ratchet wheel rotates, the pawl reciprocates along the radial direction of the ratchet wheel under the action of teeth on the ratchet wheel, so that the pressure spring is switched between a compression state and a rebound state all the time, and under the condition of long-term use, the pressure spring cannot break relative to the torsion spring, and the brake assembly has higher stability and longer service life;

3. the main shaft is provided with a first gear, a transmission gear is arranged between the first gear and the output gear, the output gear and the transmission gear clamp the ratchet wheel, the connection stability of the ratchet wheel, the output gear and the transmission gear is improved, in addition, friction plates are arranged on two side faces of the ratchet wheel, the ratchet wheel is limited between the transmission gear and the output gear, the static friction force between the ratchet wheel and the transmission gear is increased through the friction plates, and the synchronous rotation of the ratchet wheel and the output gear is further ensured;

4. the transmission gear is sleeved with a brake pressure plate, the transmission gear comprises a rotation stopping shaft, the brake pressure plate is provided with a rotation stopping hole matched with the rotation stopping shaft, the brake pressure plate and the transmission gear synchronously rotate through the cooperation of the rotation stopping hole and the rotation stopping shaft, the brake pressure plate is in contact with a friction plate on the surface of the ratchet wheel, and the brake pressure plate can separate the transmission gear from the ratchet wheel to avoid abrasion of the transmission gear.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention is further described with reference to the accompanying drawings:

fig. 1 is an exploded view of an embodiment of the present invention;

fig. 2 is a partial cross-sectional view of an embodiment of the invention;

fig. 3 is a side view of an embodiment of the present invention.

Reference numerals: the device comprises a motor 1, a second gear 11, a box 2, an output gear 21, a main shaft 22, a first gear 221, a transmission gear 23, a 231 connecting shaft, a 232 brake pressing plate, a ratchet wheel 24, a 241 friction plate, a 251 fixing seat, a 252 pawl, a 253 fixing shaft, a 2531 positioning sleeve, a 254 pressure spring and a 3 support.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; 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 according to specific situations by those skilled in the art.

As shown in fig. 1 to 3, this embodiment shows a winch deceleration motor 1 with a ratchet 24 for braking, which includes a motor 1, a reducer assembly and a support 3, where the reducer assembly is located between the motor 1 and the support 3, a second gear 11 is disposed at an end of an output shaft of the motor 1, an output gear 21 and a spindle 22 which are connected in a transmission manner are disposed in the reducer assembly, the output gear 21 and the second gear 11 are engaged with each other, a first gear 221 is disposed on the spindle 22, in this embodiment, the first gear 221 and the spindle 22 are of an integrated structure, it can be understood that, in other embodiments, the first gear 221 and the spindle 22 may also be of a split structure, the first gear 221 and the spindle 22 realize synchronous rotation through a rotation stopping structure or interference fit, a transmission gear 23 is disposed between the output gear 21 and the first gear 221, the transmission gear 23 rotates synchronously with the output gear 21, the motor 1 drives the output gear 21 to rotate through the transmission gear 23, and the output gear 21 drives the first gear 221 to rotate, thereby realizing rotation of the spindle 22.

In this embodiment be equipped with ratchet 24 on the output gear 21, ratchet 24 is in between output gear 21 and the drive gear 23, ratchet 24's week side is equipped with the brake subassembly, the brake subassembly includes fixing base 251, fixed axle 253, pawl 252 and pressure spring 254, ratchet 24 and output gear 21 fixed connection, promptly ratchet 24 and output gear 21 remain synchronous rotation throughout, and when motor 1 normal operating, ratchet 24 normally rotates, and after motor 1 stop work, the load drives main shaft 22 antiport, and ratchet 24 on the output gear 21 is along with main shaft 22 antiport, at this moment the tooth on pawl 252 and the ratchet 24 withstands each other, restricts thereby the effect that reaches the braking of ratchet 24 antiport, the utility model discloses a ratchet 24 and pawl 252 realize the braking, ratchet 24 and pawl 252 have reduced the heating and the wearing and tearing that produce because of the friction at the braking in-process, have reduced ratchet 24 and pawl 252 and have used for a long time and impaired, have improved the utility model discloses a life.

In addition, when the motor 1 normally operates, the ratchet wheel 24 rotates along with the output gear 21, the pressure spring 254 pushes the pawl 252 to abut against the side face of the ratchet wheel 24, when the ratchet wheel 24 rotates, the pawl 252 reciprocates along the radial direction of the ratchet wheel 24 under the action of teeth on the ratchet wheel 24, so that the pressure spring 254 is switched between a compression state and a rebound state all the time, and under the condition of long-term use, the pressure spring 254 cannot break relative to the torsion spring, and therefore the motor has higher stability and longer service life.

In this embodiment, the transmission gear 23 is provided with a connecting shaft 231, the output gear 21 and the ratchet 24 are both provided with through holes for the connecting shaft 231 to pass through, the connecting shaft 231 and the through holes are both provided with threads, the connecting shaft 231 and the through holes are connected through the threads, and the ratchet 24 is clamped between the output gear 21 and the transmission gear 23, so that the connection stability of the ratchet 24 and the output gear 21 and the transmission gear 23 is improved; it can be understood that, in other embodiments, the connecting shaft 231 and the through hole may also be in interference fit, so as to achieve synchronous rotation of the connecting shaft 231 and the output gear 21, in order to make the rotation of the transmission gear 23 more stable, in this embodiment, both ends of the connecting shaft 231 are provided with bearings, and the box body 2 and the bracket 3 are provided with bearing seats for mounting the bearings.

In the embodiment, friction plates 241 are arranged on two side surfaces of the ratchet wheel 24, the ratchet wheel 24 is limited between the transmission gear 23 and the output gear 21, and static friction force between the ratchet wheel 24 and the transmission gear 23 is increased through the friction plates 241, so that the ratchet wheel 24 and the output gear 21 are further ensured to rotate synchronously; the cover is equipped with braking pressure plate 232 on drive gear 23, drive gear 23 is including only changeing the axle, braking pressure plate 232 be equipped with only changeing the axle complex rotation stopping hole, through rotation stopping hole and rotation stopping axle cooperation make braking pressure plate 232 and drive gear 23 synchronous revolution, ratchet 24 is in between braking pressure plate 232 and the output gear 21, braking pressure plate 232 with the friction disc 241 on ratchet 24 surface contacts, braking pressure plate 232 can separate drive gear 23 and ratchet 24, avoids drive gear 23 to receive wearing and tearing.

Regarding the braking assembly, in this embodiment, 2 braking assemblies are disposed on the peripheral side of the ratchet wheel 24, the braking assembly includes a fixed seat 251, a fixed shaft 253, a pawl 252 and a pressure spring 254, the fixed seat 251 and the fixed shaft 253 are fixedly installed in the box body 2, a positioning hole for the fixed shaft 253 to pass through is disposed on the pawl 252, the pawl 252 is rotatably connected to the fixed shaft 253 through the positioning hole, a positioning sleeve 2531 is sleeved on the fixed shaft 253, the positioning sleeve 2531 is located in the positioning hole, two ends of the pressure spring 254 are respectively connected to the pawl 252 and the fixed seat 251, and a groove for installing the pressure spring 254 is disposed on the pawl 252.

The braking principle of the embodiment is as follows:

when the motor 1 stops working, a load drives the main shaft 22 to rotate reversely, the main shaft 22 drives the output gear 21 to rotate reversely through the transmission gear 23, the ratchet wheel 24 rotates reversely along with the output gear 21, the pawl 252 is always attached to the side surface of the ratchet wheel 24 under the action of the pressure spring 254, and when the teeth on the side surface of the ratchet wheel 24 are abutted against the pawl 252, the ratchet wheel 24 cannot rotate, so that the rotation of the output gear 21 and the transmission gear 23 is limited, and the braking effect is achieved; in addition, because the transmission gear 23 and the output gear 21 have clamping force on the ratchet wheel 24, when the main shaft 22 is loaded more, the clamping force of the output gear 21 and the transmission gear 23 on the ratchet wheel 24 is larger, and the braking effect is better.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above detailed description. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides a take capstan winch gear motor of ratchet braking, includes the motor and the reduction gear subassembly of being connected with motor drive, be equipped with output gear and the main shaft that the transmission is connected in the reduction gear subassembly, output gear is connected its characterized in that with the output shaft transmission of motor: the output gear is provided with a ratchet wheel which rotates synchronously, a braking assembly is arranged on the periphery of the ratchet wheel and comprises a fixed shaft, a pressure spring and a pawl, the pawl is rotatably connected with the fixed shaft, and the pressure spring pushes the pawl to be close to the ratchet wheel.

2. The winch deceleration motor with ratchet brake of claim 1, wherein: the main shaft is provided with a first gear, the output gear is provided with a transmission gear meshed with the first gear, the output gear and the transmission gear rotate synchronously, and the output gear and the transmission gear clamp the ratchet wheel.

3. The winch deceleration motor with ratchet brake of claim 2, wherein: and friction plates are arranged on two side surfaces of the ratchet wheel.

4. The winch deceleration motor with ratchet brake of claim 3, wherein: the transmission gear is sleeved with a brake pressure plate, the transmission gear comprises a rotation stopping shaft, the brake pressure plate is provided with a rotation stopping hole matched with the rotation stopping shaft, and the ratchet wheel is located between the brake pressure plate and the output gear.

5. The winch gear motor with ratchet brake of claim 2, wherein: the transmission gear is provided with a connecting shaft, the output gear is provided with a through hole for the connecting shaft to pass through, and the connecting shaft is in interference fit with the through hole; or the connecting shaft and the through hole are both provided with threads, and the connecting shaft and the through hole are connected through the threads.

6. The winch gear motor with ratchet brake of claim 5, wherein: and bearings are arranged at two ends of the connecting shaft.

7. The winch gear motor with ratchet brake of claim 1, wherein: the pawl is provided with a positioning hole for the fixed shaft to penetrate through, and the fixed shaft is sleeved with a positioning sleeve which is positioned in the positioning hole.

8. The winch gear motor with ratchet brake of claim 1, wherein: the speed reducer assembly comprises a box body, a fixed seat is arranged in the box body, and two ends of the pressure spring are connected with the pawl and the fixed seat respectively.

9. The winch deceleration motor with ratchet brake of claim 8, wherein: the fixed seat is provided with a groove for mounting the pressure spring; and/or a groove for installing the pressure spring is arranged on the pawl.

10. The winch gear motor with ratchet brake of claim 1, wherein: and a second gear is arranged on an output shaft of the motor, and the second gear is meshed with the output gear.