CN210973696U

CN210973696U - Portable multifunctional lifter

Info

Publication number: CN210973696U
Application number: CN201921955944.9U
Authority: CN
Inventors: 陈伟晓
Original assignee: Guangdong Huakun Technology Development Co ltd
Current assignee: Guangdong Huakun Technology Development Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-10
Anticipated expiration: 2029-11-13

Abstract

The utility model provides a portable multifunctional lifter, which comprises a driver, a main shaft, a planetary speed reducing mechanism and a rope winding shaft; the driver comprises a shell and a rotating shaft, wherein the rotating shaft is of an axial hollow structure, two ends of the main shaft are fixed, and the middle section of the main shaft is sleeved in the rotating shaft; the planetary reduction mechanism comprises a planetary carrier and a planetary wheel, the planetary carrier is sleeved on the main shaft, the planetary wheel is installed on the planetary carrier, the planetary wheel is respectively meshed with the rotating shaft and the shell, and the planetary carrier is connected with the rope winding shaft; the rope winding shaft is of a hollow structure, and the driver, the main shaft and the speed reducer are arranged inside the rope winding shaft. The utility model provides a portable multi-functional riser has realized electronic, manual multi-functional control to ingenious with driver, reduction gear design inside the wiring axle, retrencied whole volume.

Description

Portable multifunctional lifter

Technical Field

The utility model relates to a riser field especially relates to a portable multi-functional riser.

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.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a conveniently wear, under not having external power to assist, can realize the portable multi-functional riser of functions such as electric control high altitude personal safety descending, the half empty stop work that rises.

A portable multifunctional lifter comprises a driver, a main shaft, a planetary speed reducing mechanism and a rope winding shaft; the driver comprises a shell and a rotating shaft, wherein the rotating shaft is of an axial hollow structure, two ends of the main shaft are fixed, and the middle section of the main shaft is sleeved in the rotating shaft; the planetary reduction mechanism comprises a planetary carrier and a planetary wheel, the planetary carrier is sleeved on the main shaft, the planetary wheel is installed on the planetary carrier, the planetary wheel is respectively meshed with the rotating shaft and the shell, and the planetary carrier is connected with the rope winding shaft; the rope winding shaft is of a hollow structure, and the driver, the main shaft and the speed reducer are arranged inside the rope winding shaft.

The utility model provides a portable multi-functional riser has realized electronic, manual multi-functional control to ingenious with driver, reduction gear design inside the wiring axle, retrencied whole volume.

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 these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic view of another angle structure according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the embodiment of the present invention after the housing is hidden;

FIG. 4 is a schematic view of the cord of FIG. 3 further hidden;

FIG. 5 is a plan view of a section of a rope winding shaft according to an embodiment of the present invention;

FIG. 6 is a perspective view of a section of a rope winding shaft according to an embodiment of the present invention;

fig. 7 is a schematic view of another angle structure after the housing is hidden according to the embodiment of the present invention;

FIG. 8 is a schematic structural view of a fixed pulley and a movable pulley according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a brake pressure plate, a ratchet wheel and an adjusting pressure plate according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a manual lifting driving unit and an emergency braking unit according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, 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 limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "engaging", "connecting", "fixing", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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 4, a portable multifunctional lifter comprises a bracket 1, a mounting plate 2, a driver 3, a main shaft 4, a planetary reduction mechanism 5 and a rope winding shaft 6, wherein the outer side of the bracket 1 is coated with a shell 11, the shell 11 is provided with a reinforcing rib 12 and a pulley 13, and the material of the bracket 1 can be selected according to the application field while ensuring the strength; in addition, the bracket 1 is integrally shaped into a frame structure, can also be designed into an arc shape fitting the back according to human engineering, and provides a safety belt for an operator to carry on, wherein the safety belt can comprise a shoulder belt 14, a waist belt 15 and a leg strap 16, and the shoulder belt 14, the waist belt 15 and the leg strap 16 can be accommodated in the shell 11 through a belt loading box; the two sides below the bracket 1 are respectively provided with the mounting plates 2, in the embodiment, the mounting plates 2 on the two sides can be of a double-layer structure so as to facilitate the mounting of various gear sets, bearings and other parts, the rope winding shaft 6 is connected with a rope 7, and the rope 7 penetrates through the rope arranger and then is connected with a quick buckle 71;

the embodiment of the utility model provides an in the driver 3 is the motor, the motor is supplied power by installing battery 31 on support 1 or mounting panel 2, battery 31 can be installed from shell 11, and provide corresponding control circuit board 32 and realize motor drive, control circuit board 32 is equipped with control button, control button can be including start button from the function, raise button or speed governing button, control button locates respectively on two handheld controller 8 with the operation after conveniently bearing, control circuit board 32 still is equipped with master switch 38 and charges mouthful 39, master switch 38 and the mouth 39 that charges are established on shell 11.

As shown in fig. 5 and 6, the motor includes a housing 33, a rotating shaft 34, a stator 35, a coil 36, and a rotor 37; the rotating shaft 34 is connected with the rotor 37 and is mounted on a front end cover and a rear end cover of the housing 33 through motor bearings, when the motor is started, the rotor 37 drives the rotating shaft 34 to rotate, and the rotating shaft 34 is of an axial hollow structure; two ends of the spindle 4 are fixed on the mounting plate 2 or the bracket 1, and the middle section of the spindle 4 is sleeved in the rotating shaft 34, so that the rotating shaft 34 can rotate relative to the spindle 4;

the planetary reduction mechanism 5 comprises a planet carrier and a planet wheel, the planet carrier is sleeved on the main shaft 4 or is arranged on the main shaft 4 through a bearing, so that the planet carrier can rotate relative to the main shaft 4, and the planet wheel is arranged on the planet carrier; the planet wheel is respectively meshed with the rotating shaft 34 and the inner wall of the shell 33, so that the planet speed reducing mechanism 5 forms a primary planet speed reducer by taking the rotating shaft 34 as a sun wheel and the shell 33 as an inner gear ring, and the outer edge of the planet carrier is connected with the rope winding shaft 6, thereby realizing the speed reduction transmission connection of the driver 3 and the rope winding shaft 6;

when the number of the stages of the planetary reduction mechanism 5 is N, which is a positive integer greater than 1, the nth stage planet carrier is connected with the rope winding shaft 6, and the nth stage planet gear is engaged with the clutch device. Taking the three-stage planetary reduction mechanism 5 in the present embodiment as an example: including being equipped with the planet wheel respectively and cup jointing or install through the bearing first order planet carrier 51, second grade planet carrier 52 and third level planet carrier 53 on main shaft 4, wherein first order planet carrier 51, second grade planet carrier 52 with the inner wall meshing of casing 33, third level planet carrier 53 with it realizes tertiary speed reduction transmission to connect around rope shaft 6. And the planet wheel of the third-stage planet carrier 53 is meshed with the clutch device, and the speed of the third-stage planet carrier 53 is limited through the clutch device, so that the rotating speed of the rope winding shaft 6 is manually controlled.

In the above embodiment, the rope winding shaft 6 is a hollow structure, and the driver 3, the main shaft 4 and the speed reducer are disposed inside the rope winding shaft 6, so as to fully utilize the internal space of the rope winding shaft 6.

Combine fig. 6, fig. 7 to show, in the above-mentioned scheme, clutch adopts the separation and reunion drum to stop 9, and the separation and reunion drum is stopped 9 and is included the drum 91 of stopping, is stopped the drum 92, stop the drum 91 through stop the drum bearing install in main shaft 4 makes it can rotate, just it is equipped with annular internal tooth to stop the drum 91 inner wall, through this annular internal tooth with the meshing of nth level planet wheel, the drum 92 of stopping is then controlled through the drum controller of stopping, and the drum controller of stopping is including the hand brake handle 93 that connects gradually, stay cord 94, swing arm 95, and wherein hand brake handle 93 establishes on the hand-held type controller 8 on the right side, holds tight hand brake handle 93 when operating personnel, and hand brake handle 93 tears stay cord 94, and stay cord 94 drives swing arm 95 to leaning on to the drum 91 of stopping 92 through swing arm 95, realize speed reduction control, when loosening hand brake handle 93, the drum 92 resets.

As shown in fig. 8, as an improvement of the above embodiment, the rope fastening device further includes a fixed pulley 101 and a movable pulley 102, the fixed pulley 101 and the movable pulley 102 are respectively located at two sides of the rope 7 to clamp the rope 7, wherein the fixed pulley 101 is installed on the bracket 1 or the mounting plate 2 and is in transmission connection with a micro-motor (not shown), the micro-motor is powered by the storage battery 31, the movable pulley 102 is installed in a sliding groove preset in the bracket 1 or the mounting plate 2, and an included angle of more than 90 degrees is formed between the sliding groove and the rope outgoing direction of the rope 7. Through fixed pulley 101, movable pulley 102 and micromotor, start the micromotor when rope 7 is pulled out to needs, fixed pulley 101 begins to rotate to with movable pulley 102 centre gripping together and outside carrying rope 7, make and pull out rope 7 more light, can also be when the high altitude rescue, be convenient for by unmanned aerial vehicle to the high altitude by the fag end of rescue personnel transportation rope 7, avoid the unmanned aerial vehicle bearing capacity limited and lead to unable pull out rope 7.

As an improvement of the scheme of the embodiment, the micro motor is provided with a touch switch (not marked), the touch switch is positioned on the swinging stroke of the swing arm 95 of the controller of the brake drum 91, so that an operator synchronously starts the micro motor in the descending process, and the rope outlet is more convenient and faster.

As a modification of the above embodiment, as shown in fig. 5, 6 and 9, the two ends of the outer side of the rope winding shaft 6 are respectively provided with a rope winding disc 61, the rope 7 is conveniently stored through the rope winding disc 61, a first brake sheet 111 is fixedly arranged on one side of the rope winding disc, and a rotatable ratchet wheel 112 is arranged on the outer side of the rope winding shaft 6, one side surface of the ratchet wheel 112 is in surface contact with the first brake sheet 111, a pawl (not shown) engaged with the ratchet wheel 112 is connected with the hand brake handle 93 through the swing arm 95 and the pull rope 94, when the speed is reduced, the operator holds the hand brake handle 93 tightly, the hand brake handle 93 pulls the pull rope 94, the pull rope 94 drives the swing arm 95, therefore, the swing arm 95 enables the pawl to lean against the ratchet wheel 112, the ratchet wheel 112 generates friction with the first brake sheet 111 after stopping rotating, speed reduction control is achieved, safety of speed control is further improved, and when the hand brake handle 93 is loosened, the pawl resets.

As shown in fig. 5, 6 and 9, as an improvement of the above embodiment, a brake pressure plate 113 is disposed outside the rope winding shaft 6, a second brake sheet 114 is disposed on one side surface of the brake pressure plate 113, the second brake sheet 114 is in surface contact with the other side surface of the ratchet wheel 112, and in a similar manner to the first brake sheet 111, when the speed reduction is required, an operator grips the hand brake handle 93, the hand brake handle 93 tears the pull rope 94, the pull rope 94 drives the swing arm 95, so that the pawl is leaned against the ratchet wheel 112 through the swing arm 95, and the ratchet wheel 112 generates friction with the second brake sheet 114 after stopping rotating, thereby realizing the speed reduction control; in this embodiment, the brake pressure plate 113 is installed on the adjustment pressure plate 115, the adjustment pressure plate 115 is installed in the rope winding shaft 6 through a groove, the adjustment pressure plate 115 is connected with the adjustment knob 116 in a transmission manner, the adjustment pressure plate 115 axially moves on the rope winding shaft 6 through the adjustment knob 116, and the brake pressure plate 113 is further driven to axially move on the rope winding shaft 6, so that the friction coefficient between the second brake piece 114 and the ratchet wheel 112 can be changed, the braking effect can be adjusted, and the adjustment knob 116 can be arranged on the shell 11 to facilitate the operation.

As an improvement of the above embodiment, the brake pressure plate 113 faces one side of the adjustment pressure plate 115, the adjustment pressure plate 115 is provided with an arc-shaped groove, the pin is located in the arc-shaped groove, an arc-shaped spring is further arranged in the arc-shaped groove, one end of the arc-shaped spring abuts against the pin, and the other end of the arc-shaped spring abuts against the end of the arc-shaped groove, so that a part of the rotation torque force applied to the brake pressure plate 113 is offset by the spring.

As an improvement of the above embodiment, the planet carrier is connected to the rope winding shaft 6 through a one-way bearing, so that the planet carrier drives the rope winding shaft 6 when rotating, and the planet carrier is not driven to rotate reversely when the rope winding shaft 6 rotates reversely.

As shown in fig. 10, as an improvement of the above embodiment, the manual lifting driving unit further includes a rocker 121, the rocker 121 is connected to a half gear 123 (which may also be a sector gear) through a universal joint 122, the half gear 123 is connected to the rope winding shaft 6 through a gear set 124, when an operator lifts (or presses) the rocker 121, the half gear 123 is engaged with the gear set 123 to drive the rope winding shaft 6, and when the rocker 121 is reset, the half gear 123 is disengaged from the gear set, so that the rope winding shaft 6 can rotate in a stepping manner through the rocker 121.

As shown in fig. 10, as an improvement of the above embodiment, the emergency braking device further includes an emergency braking unit, the emergency braking unit includes a hand brake 131 (shown in fig. 1), a braking rope 132, a braking arm 133 and a drum brake 134, which are connected in sequence, wherein the hand brake 131 is disposed on the left hand-held controller 8, the drum brake 134 is disposed inside the rope winding shaft 6, when an operator grips the hand brake handle 93, the hand brake 131 pulls the braking rope 132, and the braking rope 132 drives the braking arm 133 to brake the rope winding shaft 6.

The portable multifunctional lifter provided by the scheme of the embodiment can be carried on the body, the rope 7 is pulled out from the upper part of the shell 11, one end of the rope 7 is connected with a fixed object through the quick buckle 71, then the posture is adjusted to descend from high altitude, during the period, the electric starting, speed adjusting or lifting control can be carried out through the control button on the handheld controller 8, the speed control can be carried out through the hand brake handle 93 on the handheld controller, in addition, the lifting can be carried out through the rocker 121 when the electric power is insufficient, and the emergency braking can be carried out through the hand brake 131 when necessary.

The above is only the preferred embodiment of the present invention, and the present invention is not limited to the above, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present invention, including the reduction gear replacing the cycloid reduction gear, the gear set of the gear transmission, the brake plate and the clutch plate replacing the swing plate or the clamp brake, etc. should be included in the protection scope of the present invention.

Claims

1. The utility model provides a portable multi-functional riser which characterized in that:

comprises a driver, a main shaft, a planetary speed reducing mechanism and a rope winding shaft;

the driver comprises a shell and a rotating shaft, wherein the rotating shaft is of an axial hollow structure, two ends of the main shaft are fixed, and the middle section of the main shaft is sleeved in the rotating shaft;

the planetary reduction mechanism comprises a planetary carrier and a planetary wheel, the planetary carrier is sleeved on the main shaft, the planetary wheel is installed on the planetary carrier, the planetary wheel is respectively meshed with the rotating shaft and the shell, and the planetary carrier is connected with the rope winding shaft;

the rope winding shaft is of a hollow structure, and the driver, the main shaft and the speed reducer are arranged inside the rope winding shaft.

2. A portable multi-function lift as recited in claim 1, wherein: the number of stages of the planetary reduction mechanism is N, N is a positive integer larger than 1, the Nth-stage planetary carrier is connected with the rope winding shaft, and the Nth-stage planetary gear is meshed with the clutch device.

3. A portable multi-function lift as recited in claim 2, wherein: the separation and reunion is bloied and is stopped including stopping the drum, stopping the drum piece, it installs in through stopping the drum bearing to stop the drum the main shaft, stop the drum with the meshing of nth level planet wheel.

4. A portable multi-function lift as recited in claim 2, wherein: the rope fixing device is characterized by further comprising a fixed pulley and a movable pulley, wherein the fixed pulley and the movable pulley are respectively located on two sides of the rope to clamp the rope, the fixed pulley is connected with a micro motor, the movable pulley is installed in a sliding groove, and the sliding groove and the rope outlet direction of the rope form an included angle larger than 90 degrees.

5. A portable multi-function lift as recited in claim 1, wherein: the wiring axle sets firmly first piece of stopping, just the wiring axle outside is equipped with rotatable ratchet, a side of ratchet with first piece of stopping is the face contact.

6. A portable multi-function lift as recited in claim 5, wherein: a brake pressure plate is arranged on the outer side of the rope winding shaft, a second brake sheet is arranged on one side surface of the brake pressure plate, and the second brake sheet is in surface contact with the other side surface of the ratchet wheel; the brake pressure plate is arranged on the adjusting pressure plate, the adjusting pressure plate is arranged on the rope winding shaft through a groove, and the adjusting pressure plate is in transmission connection with the adjusting knob.

7. A portable multi-function lift as recited in claim 6, wherein: the brake pressure disk orientation one side of adjusting the pressure disk is equipped with the round pin, it is equipped with the arc wall to adjust the pressure disk, the round pin is located in the arc wall, just still be equipped with the arc spring in the arc wall, the one end of arc spring with the round pin offsets, the other end with the tip of arc wall offsets.

8. A portable multi-function lift as recited in claim 1, wherein: the planet carrier is connected with the rope winding shaft through a one-way bearing.

9. A portable multi-function lift as recited in claim 8, wherein: the rope winding device is characterized by further comprising a manual ascending driving unit, wherein the manual ascending driving unit comprises a rocker, the rocker is connected with a half gear through a universal joint, and the half gear is connected with the rope winding shaft through a gear set.

10. A portable multi-function lift as recited in claim 1, wherein: still include emergent brake unit, emergent brake unit is stopped including the sincere, the rope of stopping, arm and drum that connect gradually, the drum is stopped and is located the wiring axle is inboard.