Electric lifter
阅读说明:本技术 一种电动升降器 (Electric lifter ) 是由 陈伟晓 于 2019-11-13 设计创作,主要内容包括:本发明公开一种电动升降器,包括主轴、驱动器、减速器、单向器、绕绳轴和离合器;所述主轴的两端固定,所述驱动器、减速器、单向器和离合器依次连接并套接在所述主轴上;所述驱动器包括套接在所述主轴的旋转轴,所述旋转轴为空心结构,通过对所述驱动器通电使所述旋转轴转动;所述旋转轴连接所述减速器;所述单向器包括套接在所述主轴上的行星架B和设在所述行星架B上的若干行星轮B,所述减速器的输出端穿过所述行星架B并成为所述行星轮B的太阳轮;所述减速器包括内齿圈部,所述内齿圈部与所述行星轮B啮合;所述绕绳轴上设有绳索,所述驱动器、减速器、单向器和离合器设在所述绕绳轴内部,所述行星架B通过单向转动结构与所述绕绳轴连接。(The invention discloses an electric lifter, which comprises a main shaft, a driver, a speed reducer, a one-way clutch, a rope winding shaft and a clutch, wherein the main shaft is connected with the driver; the two ends of the main shaft are fixed, and the driver, the speed reducer, the one-way clutch and the clutch are sequentially connected and sleeved on the main shaft; the driver comprises a rotating shaft sleeved on the main shaft, the rotating shaft is of a hollow structure, and the rotating shaft is rotated by electrifying the driver; the rotating shaft is connected with the speed reducer; the isolator comprises a planet carrier B sleeved on the main shaft and a plurality of planet wheels B arranged on the planet carrier B, and the output end of the speed reducer penetrates through the planet carrier B and becomes a sun wheel of the planet wheels B; the speed reducer comprises an inner ring gear part which is meshed with the planet gear B; the rope winding shaft is provided with a rope, the driver, the speed reducer, the one-way clutch and the clutch are arranged inside the rope winding shaft, and the planet carrier B is connected with the rope winding shaft through a one-way rotating structure.)
1. An electric lifter is characterized in that:
comprises a main shaft, a driver, a speed reducer, a rope winding shaft and a clutch;
the two ends of the main shaft are fixed, and the driver, the reducer and the clutch are sequentially connected and sleeved on the main shaft;
the driver comprises a rotating shaft sleeved on the main shaft, and the rotating shaft is rotated by electrifying the driver; the rotating shaft is connected with the speed reducer;
the rope winding shaft is provided with a rope, the rope winding shaft is of an axial hollow structure, the driver, the speed reducer and the clutch are arranged inside the rope winding shaft, and the driver is in transmission connection with the rope winding shaft.
2. A motorized lift according to claim 1, characterised in that: the clutch is arranged on the main shaft, the clutch is arranged on the clutch, the clutch comprises a clutch body and a clutch body, the clutch body is sleeved on the clutch body, and the output end of the clutch body penetrates through the clutch body and becomes a sun wheel of the clutch body; the speed reducer comprises an inner ring gear part which is meshed with the planet gear B; and the planet carrier B is connected with the rope winding shaft through a one-way rotating structure.
3. A motorized lift according to claim 2, characterised in that: the periphery of the planet wheel carrier B is provided with a plurality of arc-shaped openings, and each arc-shaped opening comprises a relatively narrow part and a relatively wide part; a movable roller is correspondingly arranged in the arc-shaped opening; an elastic piece is further arranged in the arc-shaped opening, and exerts force on the roller to urge the roller to move towards the relatively narrow part; when the roller moves to the relatively narrow part, the roller is abutted against the inner wall of the rope winding shaft; when the roller moves to the relatively wide portion, the roller separates from the rope spool inner wall.
4. A motorized lift according to claim 2, characterised in that: the clutch further comprises a drum braking part, a first braking unit is arranged on the drum braking part, the first braking unit is in a braking state under an initial state, and the first braking unit is adjusted by a descending speed control unit to adjust the braking force of the drum braking part so as to adjust the releasing speed of the rope.
5. An electric lifter according to claim 4, wherein: the first brake unit comprises two arc-shaped drum brake sheets arranged in the drum brake part, one ends of the two drum brake sheets are hinged, an expansion piece is arranged between the unconnected ends of the two drum brake sheets, and the expansion piece is connected with a first brake arm through a brake shaft; the first brake arm is rotated to drive the expansion and contraction piece to rotate by the brake shaft, so that the distance between the disconnected ends of the two drum brake pieces is expanded or reduced.
6. An electric lifter according to claim 5, wherein: the descending speed control unit comprises a first spring, a first clutch rope and a first control handle, the first clutch rope is respectively connected with the first brake arm and the first control handle, and the first clutch rope is driven by the first control handle to pull the first brake arm to rotate; the first spring urges the brake arm to return.
7. An electric lifter according to claim 5, wherein: the clutch also comprises a disc brake part, and the disc brake part is provided with a speed-limiting brake unit; the speed-limiting braking unit provides initial braking force for the clutch and limits the speed of the rope winding shaft for releasing the rope.
8. An electric lifter according to claim 7, wherein: the speed-limiting braking unit comprises a speed-limiting base body, a disc braking sheet A and a disc braking sheet B; the speed-limiting base body comprises a lock shaft which is sleeved on the main shaft, a disc brake part of the clutch is sleeved on the lock shaft, a disc brake piece A and a disc brake piece B are arranged on the lock shaft and positioned on two sides of the disc brake part, and the disc brake piece A and the disc brake piece B are respectively in surface contact with the disc brake part; the disc brake sheet B is provided with a ratchet part, and the ratchet part is provided with corresponding ratchets; when the ratchet is buckled with the ratchet wheel part, the lock shaft and the main shaft are relatively fixed, and the speed-limiting braking unit brakes the clutch; when the ratchet is separated from the ratchet part, the lock shaft and the main shaft can rotate relatively, and the clutch drives the lock shaft to rotate when rotating.
9. An electric lifter according to claim 8, wherein: the disc brake sheet B and the lock shaft form a connection which is fixed in the circumferential direction and can move in the axial direction; the locking shaft extends out of a threaded column, the threaded column is connected with an adjusting pressing block in a threaded mode, the adjusting pressing block abuts against the disc brake piece B, and the position of the adjusting pressing block on the threaded column is adjusted, so that the braking force of the disc brake piece B on the disc brake part is adjusted.
10. An electric lifter according to claim 9, wherein: the adjusting press block is controlled by a speed-limiting adjuster, the speed-limiting adjuster comprises an adjusting gear, an adjusting rod, an adjusting spring and an adjusting knob, the adjusting gear and the adjusting knob are respectively arranged at two ends of the adjusting rod, and the adjusting spring is arranged on the adjusting rod; the adjusting pressing block is provided with an outer gear ring; when the adjusting knob is pressed down, the adjusting gear is meshed with an outer gear ring on the adjusting press block, and the adjusting knob is rotated to drive the adjusting press block to rotate; after the adjusting knob is loosened, the adjusting spring enables the adjusting gear to reset and separate from the outer gear ring on the adjusting pressing block.
11. An electric lifter according to claim 7, wherein: the dish stop piece A with lock axle threaded connection, the lock is epaxial the one end that the dish stopped piece A place is equipped with the lock dish, the dish stop piece A orientation the one side of lock dish is equipped with the round pin, be equipped with the arc wall on the lock dish, the round pin is located in the arc wall, still be equipped with the arc spring in the arc wall, the one end of arc spring with the tip of arc wall offsets, the other end with the round pin offsets.
12. An electric lifter according to claim 7, wherein: the ratchet is controlled by a speed-limiting control unit, the speed-limiting control unit comprises a control arm, a pull rope, a first speed-limiting spring and a control button, one end of the control arm is connected with the pawl, the other end of the control arm is connected with the pull rope, and the pull rope is connected with the control button; in an initial state, the ratchet is buckled with the ratchet part, the control arm is rotated by adjusting the control button, and the first speed limiting spring urges the control arm to reset.
13. A motorized lift according to claim 12, wherein: the speed-limiting control unit also comprises a second speed-limiting spring, and the second speed-limiting spring drives the control button to reset; the first brake arm is provided with a first buckle tooth, and the control arm is provided with a second buckle tooth; after the control button is pressed down, the control arm rotates, the second buckling teeth are buckled with the first buckling teeth, and the ratchet is still buckled with the ratchet wheel part at the moment; through adjusting the first control handle, the first brake arm is rotated to drive the control arm to rotate, so that the ratchet is separated from the ratchet part.
14. A motorized lift according to claim 13, wherein: the electric lifter also comprises a second braking unit, wherein the second braking unit acts on the rope winding wheel, the second braking unit is in a non-braking state in an initial state, and the magnitude of the braking force of the second braking unit on the rope winding shaft is adjusted through an emergency control unit.
15. A motorized lift according to claim 2, characterised in that: still include the rope winding device, the rope winding device includes reciprocal lead screw, slider and constant head tank, reciprocal lead screw with the wiring shaft drive is connected, and it is equipped with two thread grooves that the pitch is the same, revolve to opposite, the thread groove both ends with the transition department of reciprocal lead screw body forms the wedge, be equipped with in the slider with slider articulated shifting block, the shifting block with one of them thread groove of reciprocal lead screw is connected, realizes the slider is in reciprocating motion on the reciprocal lead screw, the slider still with one be on a parallel with the constant head tank sliding connection of reciprocal lead screw is in order to prevent the slider rotation, the one end of rope is passed behind the slider with the wiring hub connection realizes the automatic rope winding of this electric lift in the process of climbing.
16. A motorized lift according to claim 15, wherein: the rope tightening device comprises a fixed pulley and a movable pulley, and the fixed pulley and the movable pulley are respectively positioned on two sides of the rope to clamp the rope; the movable pulley is in transmission connection with the micro motor; the fixed pulley is arranged in a sliding groove in a sliding mode, and is further connected with a buffer spring, and the buffer spring enables the fixed pulley to move in the sliding groove to press the rope.
17. An electric lifter according to any one of claims 1-16, wherein: the device comprises a frame, wherein two mounting plates are arranged on the frame, and two ends of a main shaft are fixed on the two mounting plates; the frame is covered with a shell.
18. A motorized lift according to claim 17, wherein: the shell is provided with rollers.
19. A motorized lift according to claim 17, wherein: the rack is provided with a hanging hole.
Technical Field
The invention relates to the field of lifters, in particular to an electric lifter.
Background
The modern society develops at a high speed. In recent years, high-rise buildings are more common, and high buildings in large cities are erected. The safety problems of many high-rise buildings gradually emerge while people enjoy entertainment and life in the economic era with highly developed technologies.
In addition, at present, in high mountain exploration and high-rise operation, devices such as ropes, safety belts, rope clamping descenders and the like are mainly adopted. In the original product, the rope is very dangerous if the rope touches water and oil or the equipment fails as long as the operation is careless and unskilled in the landing control. The lifting is realized by pulling up or lifting up the rope with external force, and the lifting rope is not easy to be taken out and is inconvenient to recover. The existing product for high-rise escape adopts a rope buffer, the speed cannot be controlled independently in the descending process, obstacles cannot be avoided in a complex environment, the high-rise escape cannot be stopped and ascended in the air independently, and the rope is easy to clamp.
Disclosure of Invention
In view of the above, the present invention provides an electric lifter, which can realize functions of electrically controlling personal safe landing, ascending, semi-air stopping operation, and the like at high altitude.
The technical scheme of the invention is realized as follows:
an electric lifter comprises a main shaft, a driver, a speed reducer, a rope winding shaft and a clutch;
the two ends of the main shaft are fixed, and the driver, the reducer and the clutch are sequentially connected and sleeved on the main shaft;
the driver comprises a rotating shaft sleeved on the main shaft, and the rotating shaft is rotated by electrifying the driver; the rotating shaft is connected with the speed reducer; the rotating shaft is of a hollow structure.
The rope winding shaft is provided with a rope, the rope winding shaft is of an axial hollow structure, the driver, the speed reducer and the clutch are arranged inside the rope winding shaft, and the driver is in transmission connection with the rope winding shaft.
As a further alternative of the electric lifter, the electric lifter further comprises a one-way clutch, the one-way clutch is arranged between the speed reducer and the clutch, the one-way clutch comprises a planet carrier B sleeved on the main shaft and a plurality of planet wheels B arranged on the planet carrier B, and an output end of the speed reducer penetrates through the planet carrier B and becomes a sun gear of the planet wheels B; the speed reducer comprises an inner ring gear part which is meshed with the planet gear B; and the planet carrier B is connected with the rope winding shaft through a one-way rotating structure.
As a further alternative of the electric lifter, the periphery of the planet wheel carrier B is provided with a plurality of arc-shaped openings, and the arc-shaped openings comprise a relatively narrow part and a relatively wide part; a movable roller is correspondingly arranged in the arc-shaped opening; an elastic piece is further arranged in the arc-shaped opening, and exerts force on the roller to urge the roller to move towards the relatively narrow part; when the roller moves to the relatively narrow part, the roller is abutted against the inner wall of the rope winding shaft; when the roller moves to the relatively wide portion, the roller separates from the rope spool inner wall.
As a further alternative of the electric lifter, the clutch further comprises a drum braking part, a first braking unit is arranged on the drum braking part, the first braking unit is in a braking state in an initial state, and the first braking unit is adjusted by a descending speed control unit to adjust the braking force of the drum braking part so as to adjust the releasing speed of the rope.
As a further alternative of the electric lifter, the first brake unit comprises two arc-shaped drum brake sheets arranged in the drum brake part, one end of each of the two drum brake sheets is hinged, an expansion and contraction piece is arranged between the unconnected ends of the two drum brake sheets, and a first brake arm is connected to the expansion and contraction piece through a brake shaft; the first brake arm is rotated to drive the expansion and contraction piece to rotate by the brake shaft, so that the distance between the disconnected ends of the two drum brake pieces is expanded or reduced.
As a further alternative of the electric lifter, the drop speed control unit includes a first spring, a first clutch rope and a first control handle, the first clutch rope is respectively connected with the first brake arm and the first control handle, and the first clutch rope is driven by the first control handle to pull the first brake arm to rotate; the first spring urges the brake arm to return.
As a further alternative of the electric lifter, the clutch further comprises a disc brake part, and the disc brake part is provided with a speed-limiting brake unit; the speed-limiting braking unit provides initial braking force for the clutch and limits the speed of the rope winding shaft for releasing the rope.
As a further alternative of the electric lifter, the speed-limiting braking unit comprises a speed-limiting base body, a disc braking sheet A and a disc braking sheet B; the speed-limiting base body comprises a lock shaft which is sleeved on the main shaft, a disc brake part of the clutch is sleeved on the lock shaft, a disc brake piece A and a disc brake piece B are arranged on the lock shaft and positioned on two sides of the disc brake part, and the disc brake piece A and the disc brake piece B are respectively in surface contact with the disc brake part; the disc brake sheet B is provided with a ratchet part, and the ratchet part is provided with corresponding ratchets; when the ratchet is buckled with the ratchet wheel part, the lock shaft and the main shaft are relatively fixed, and the speed-limiting braking unit brakes the clutch; when the ratchet is separated from the ratchet part, the lock shaft and the main shaft can rotate relatively, and the clutch drives the lock shaft to rotate when rotating.
As a further alternative of the electric lifter, the disc brake B forms a circumferentially fixed but axially movable connection with the lock shaft; the locking shaft extends out of a threaded column, the threaded column is connected with an adjusting pressing block in a threaded mode, the adjusting pressing block abuts against the disc brake piece B, and the position of the adjusting pressing block on the threaded column is adjusted, so that the braking force of the disc brake piece B on the disc brake part is adjusted.
As a further alternative of the electric lifter, the adjusting press block is controlled by a speed-limiting adjuster, the speed-limiting adjuster comprises an adjusting gear, an adjusting rod, an adjusting spring and an adjusting knob, the adjusting gear and the adjusting knob are respectively arranged at two ends of the adjusting rod, and the adjusting spring is arranged on the adjusting rod; the adjusting pressing block is provided with an outer gear ring; when the adjusting knob is pressed down, the adjusting gear is meshed with an outer gear ring on the adjusting press block, and the adjusting knob is rotated to drive the adjusting press block to rotate; after the adjusting knob is loosened, the adjusting spring enables the adjusting gear to reset and separate from the outer gear ring on the adjusting pressing block.
As electric lift's further alternative, the dish stop piece A with lock axle threaded connection, the lock is epaxial the dish stop piece A one end at place is equipped with the lock dish, the dish stop piece A orientation the one side of lock dish is equipped with the round pin, be equipped with the arc wall on the lock dish, the round pin is located in the arc wall, still be equipped with the arc spring in the arc wall, the one end of arc spring with the tip of arc wall offsets, the other end with the round pin offsets.
As a further alternative of the electric lifter, the ratchet is controlled by a speed-limiting control unit, the speed-limiting control unit comprises a control arm, a pull rope, a first speed-limiting spring and a control button, one end of the control arm is connected with the pawl, the other end of the control arm is connected with the pull rope, and the pull rope is connected with the control button; in an initial state, the ratchet is buckled with the ratchet part, the control arm is rotated by adjusting the control button, and the first speed limiting spring urges the control arm to reset.
As a further alternative of the electric lifter, the speed limit control unit further includes a second speed limit spring that urges the control button to return; the first brake arm is provided with a first buckle tooth, and the control arm is provided with a second buckle tooth; after the control button is pressed down, the control arm rotates, the second buckling teeth are buckled with the first buckling teeth, and the ratchet is still buckled with the ratchet wheel part at the moment; through adjusting the first control handle, the first brake arm is rotated to drive the control arm to rotate, so that the ratchet is separated from the ratchet part.
As a further alternative of the electric elevator, the electric elevator further comprises a second braking unit, the second braking unit acts on the rope winding wheel, the second braking unit is in a non-braking state in an initial state, and the magnitude of the braking force of the second braking unit on the rope winding shaft is adjusted through an emergency control unit.
As electric lift's further alternative still includes the rope arranger, the rope arranger includes reciprocal lead screw, slider and constant head tank, reciprocal lead screw with the wiring shaft drive is connected, and it is equipped with two thread grooves that the pitch is the same, the opposite direction of turning, the thread groove both ends with the transition department of reciprocal lead screw body forms the wedge, be equipped with in the slider with slider articulated shifting block, the shifting block with one of them thread groove of reciprocal lead screw is connected, realizes the slider is in reciprocating motion on the reciprocal lead screw, the slider still with one be on a parallel with the constant head tank sliding connection of reciprocal lead screw is in order to prevent the slider rotation, the one end of rope passes behind the slider with the wiring hub connection realizes this electric lift at the automatic rope arranging of the in-process that climbs.
As a further alternative of the electric lifter, a rope tensioner is further included, the rope tensioner includes a fixed pulley and a movable pulley, and the fixed pulley and the movable pulley are respectively located on both sides of the rope to clamp the rope; the movable pulley is in transmission connection with the micro motor; the fixed pulley is arranged in a sliding groove in a sliding mode, and is further connected with a buffer spring, and the buffer spring enables the fixed pulley to move in the sliding groove to press the rope.
As a further alternative of the electric lifter, the electric lifter comprises a frame, wherein two mounting plates are arranged on the frame, and two ends of the main shaft are fixed on the two mounting plates; the frame is covered with a shell.
The invention has the following beneficial effects: the electric control of the rope winding shaft is realized, and the driver, the speed reducer, the one-way clutch, the rope winding shaft and the clutch are ingeniously designed in the rope winding shaft, so that the overall size is simplified.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 drawings without creative efforts.
FIG. 1 is a schematic view of an electric lifter according to the present invention;
FIG. 2 is a schematic view of the electric lifter of the present invention at another angle;
FIG. 3 is a schematic view of the electric lifter with the housing hidden according to the present invention;
FIG. 4 is a schematic view of the cord of FIG. 3 further hidden;
FIG. 5 is a schematic cross-sectional view of the roping axle and its internal construction;
FIG. 6 is an exploded view of the actuator, reducer, isolator and clutch;
FIG. 7 is a cut-away perspective view of the clutch;
FIG. 8 is a schematic structural view of the first brake unit and the clutch;
FIG. 9 is an exploded view of the speed limiting brake unit;
FIG. 10 is an assembled cross-sectional plan view of the speed limiting brake unit and the clutch;
FIG. 11 is a schematic structural view of the speed limit control unit and the descent speed control unit;
FIG. 12 is a schematic structural diagram of a handheld controller A;
FIG. 13 is a schematic view of the rope guider and the rope tightener;
fig. 14 is a schematic view of an application scenario of the electric lifter of the present invention;
fig. 15 is a schematic view of another application scenario of the electric lifter of the invention.
In the figure: 1. a frame; 10. loading a tape box; 11. mounting a plate; 12. a housing; 121. a roller; 13. shoulder straps; 14. a waistband; 15. a leg strap; 16. a storage battery; 17. a control circuit board; 18. a hand-held controller B; 19. a handheld controller A; 2. a rope winding shaft; 21. a rope; 22. a fastener; 23. a rope guider; 231. a reciprocating screw; 232. a slider; 233. shifting blocks; 24; a rope tensioner; 241. a movable pulley; 242. a fixed pulley; 243. a micro-motor; 244. a buffer spring; 3. a main shaft; 4. a driver; 41. a rotating shaft; 42. a housing; 43. a stator; 44. a rotor; 45. a rear end cap; 46. a front end cover; 47. a speed reducer; 5. a one-way clutch; 51. a planet carrier B; 52. a planet wheel B; 6. a clutch; 61. an inner race portion; 62. a drum brake part; 63. a disc brake section; 7. a first brake unit; 71. a drum brake sheet; 72. a telescopic member; 73. a brake shaft; 74. a first brake arm; 751. a first spring; 752. a first clutch cord; 753. a first control handle; 8. a second brake unit; 9. a speed-limiting braking unit; 90. a rate-limiting substrate; 91. a lock shaft; 92. a lock disc; 921. an arc-shaped slot; 922. an arc-shaped spring; 93. a threaded post; 94. a disc brake sheet A; 941. a pin; 95. a disc brake sheet B; 951. a ratchet portion; 96. a ratchet; 971. a control arm; 972. pulling a rope; 973. a first speed limiting spring; 974. a control button; 975. a second speed limiting spring; 98. adjusting a pressing block; 99. a speed limit regulator; 991. adjusting a knob; 992. adjusting a rod; 993. adjusting the spring; 994. an adjusting gear; 100. a hand crank; 200. a descending-assisting frame; 210. a slide rail; 220. preventing feet from sliding; 300. and (7) hanging holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, 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 specifically defined otherwise.
In the present invention, unless otherwise specifically stated or limited, the terms "coupled," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably 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 by those skilled in the art according to specific situations.
Referring to fig. 1 to 5, there is shown an electric lifter including a
two ends of the
Specifically, the output shaft of the reduction gear 47, the one-way clutch 5, and the inner race portion 61 of the clutch 6 form a planetary gear train structure; when the driver 4 is energized to rotate the rotating shaft 41, the brake unit fixes the clutch 6, the rotating shaft 41 is decelerated by the reducer 47, then the output shaft of the reducer 47 serves as a sun gear to drive the planet gear B52 to rotate, the planet gear revolves around the output shaft of the reducer 47 due to the fixed inner ring part 61, the planet carrier B51 rotates in the forward direction, and the one-way clutch 5 can drive the rope winding shaft 2 to rotate in the forward direction to recover the rope 21; when the rope 21 needs to be paid out, for example, when a user falls from the high altitude by using the motorized lift, gravity drives the rope winding shaft 2 to rotate reversely, the driver 4 is not started, the output shaft of the speed reducer 47 is fixed, the rope winding shaft 2 drives the planet carrier B51 to rotate reversely, so that the planet gear B52 is caused to revolve, and when the output shaft of the speed reducer 47 is fixed, the revolving planet gear B52 causes the inner ring gear portion 61 to rotate, so that the clutch 6 rotates; the speed of the fall can thus be controlled or the fall can be stopped by braking the clutch 6.
The
In this way, the
In the above embodiment, referring to fig. 1 to 4, the electric lifter may further include a
The driver 4 is a motor, can be powered by a
In some specific embodiments, referring to fig. 5 and 6, the driver 4 includes a
In this embodiment, a practical unidirectional rotation structure is provided, and referring to fig. 6, a plurality of arc-shaped openings are formed on the periphery of the planet carrier B, and each arc-shaped opening comprises a relatively narrow portion and a relatively wide portion; a movable roller is correspondingly arranged in the arc-shaped opening; an elastic piece is further arranged in the arc-shaped opening, and exerts force on the roller to urge the roller to move towards the relatively narrow part; when the roller moves to the relatively narrow part, the roller is abutted against the inner wall of the
In practical application of the above scheme, when the driver 4 rotates the
In some specific embodiments, from the viewpoint of safety, the
Specifically, in the above scheme, referring to fig. 5, 7, 8 and 12, the clutch 6 further includes a
In the above solution, referring to fig. 12, the speed lowering and controlling unit includes a
In some embodiments, if the operator operates carelessly, the braking force of the
In the above specific scheme, in fig. 9 and 10, the clutch 6 further includes a disc brake portion 63, the speed-limiting brake unit 9 is disposed on the disc brake portion 63, and the speed-limiting brake unit 9 includes a speed-limiting base 90, a disc brake sheet a94 and a disc brake sheet B95; the speed limiting base 90 comprises a lock shaft 91, the lock shaft 91 is sleeved on the main shaft 3, the disc brake part 63 of the clutch 6 is sleeved on the lock shaft 91, the disc brake piece A94 and the disc brake piece B95 are arranged on the lock shaft 91 and positioned on two sides of the disc brake part 63, and the disc brake piece A94 and the disc brake piece B95 are respectively in surface contact with the disc brake part 63; a ratchet part 951 is arranged on the disc brake sheet B95, and the ratchet part 951 is provided with a ratchet 96 corresponding to the ratchet part 951; when the ratchet 96 is buckled with the ratchet part 951, the lock shaft 91 is relatively fixed with the main shaft 3, and the speed-limiting braking unit 9 brakes the clutch 6; when the ratchet 96 is separated from the ratchet portion 951, the lock shaft 91 and the main shaft 3 can rotate relatively, and the clutch 6 drives the lock shaft 91 to rotate when rotating. The disc brake piece a94 and the disc brake piece B95 apply a certain braking force to the
In the above solution, referring to fig. 9, the disc brake B95 forms a circumferentially fixed but axially movable connection with the
Specifically, when the
In the above scheme, the
In the above scheme, the adjusting
In addition, referring to fig. 11 and 12, in view of safety, the speed limit control unit further includes a second
Providing a specific implementation scenario for explaining that an operator needs to land on a ceiling of a building, pulls out the
In the above scheme, in order to avoid an accident caused by the failure of the
In some specific embodiments, referring to fig. 13, in order to fully utilize the rope winding space on the
In some specific embodiments, referring to fig. 13, in order to prevent the
In some embodiments, in order to protect the housing, the housing is provided with a
In general, when an operator descends at a high place, one end of the
However, special cases are not excluded, for example, the person needing to be lifted is a patient, a disabled person, a child, etc. with an operation capability of about zero, and referring to fig. 14, a hanging
In other specific application scenarios, when the electric lifter is used, a
It should be noted that, general high-altitude tools are basically large and heavy machines, such as cranes, etc.; and this electric lift compact structure, light can solve at high building and high iron tower operation, if: the short plate is used for spider man, high-rise anti-terrorism and fire rescue, high mountain exploration and operation, film shooting and the like, power is supplied by using the lacing of the short plate without external power and electric power, people or objects can be freely lifted or stopped at the high altitude of more than one hundred meters, the lacing and the use are convenient, and the danger of the high altitude operation in the world is compensated. The rescue can also be combined with equipment such as a helicopter, an unmanned aerial vehicle and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalent substitutions, improvements and the like, including the substitution of the reducer for a cycloidal reducer, the gear set of a gear transmission, the substitution of the brake plate and the clutch plate for a throw plate or a pinch brake, and the like, within the spirit and principle of the present invention, shall be included in the protection scope of the present invention.
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