Manual and automatic integrated lifting mechanism

Abstract

The utility model relates to the technical field of lifting devices, and discloses a manual-automatic integrated lifting mechanism which comprises a main box body, a motor and a hand-cranking handle, a rope wheel and a rotating shaft are arranged in the main box body, a wire inlet is formed in the main box body, a steel wire rope penetrates into the wire inlet and is wound on the rope wheel, and the rotating shaft is in transmission connection with the rope wheel; the motor is mounted on the surface of the main box body; an output shaft of the motor extends into the main box body and is in transmission connection with the rotating shaft; the first end of the rotating shaft extends out of the main box body, the hand-cranking handle is detachably arranged at the first end of the rotating shaft in a sleeving mode and is in linkage with the rotating shaft, a ratchet wheel is arranged on the rotating shaft, and a pawl matched with the ratchet wheel is arranged on the surface of the main box body and used for limiting the hand-cranking handle to only rotate in one circumferential direction. According to the manual-automatic integrated lifting mechanism, the rotating shaft can be driven to rotate through the motor, and the rotating shaft can be driven to rotate through the hand-cranking handle, so that the function of winding the steel wire rope can still be achieved in a manual mode under the condition that the motor fails, and the lifting requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting device technical field especially relates to a hand -self -acting type lifting mechanism. BACKGROUND

[0002] The basket is the commonly used tool of high altitude operation or underground operation in building engineering, is used in curtain wall installation, outer wall cleaning etc. The basket lifting process, generally, the descending action can rely on the gravity and cooperates the slow -descending device, and the ascending action needs the help of the lifting mechanism. The existing lifting mechanism generally passes through the motor as the drive source, cannot use when some emergent situation or power -off state, leads to the functional failure, influences the operation. UTILITY MODEL CONTENT

[0003] The utility model discloses a hand -self -acting type lifting mechanism to solve the problem mentioned in the above background art.

[0004] To achieve the above -mentioned purpose, the utility model adopts the following technical scheme:

[0005] A hand -self -acting type lifting mechanism, including main box, motor and hand crank, wherein:

[0006] The main box is provided with a rope wheel and a rotating shaft, the main box is provided with a wire inlet, the wire inlet is penetrated by a steel wire rope, the steel wire rope is wound on the rope wheel, and the rotating shaft is in transmission connection with the rope wheel;

[0007] The motor is installed on the surface of the main box, the output shaft of the motor extends into the main box and is in transmission connection with the rotating shaft;

[0008] The first end of the rotating shaft extends out of the main box, the hand crank is detachably sleeved on the first end of the rotating shaft and is linked with the rotating shaft, the rotating shaft is provided with a ratchet wheel, the surface of the main box is provided with a pawl matched with the ratchet wheel, and the pawl is used to limit the hand crank to rotate only in one circumferential direction.

[0009] As an optional scheme, the hand crank is matched with the rotating shaft through the spline.

[0010] As an optional scheme, the pawl and the main box are provided with a torsion spring, and the torsion spring is used to drive the pawl to press against the ratchet wheel.

[0011] As an optional scheme, the rotating shaft is provided with a worm wheel, and the output shaft of the motor is provided with a worm matched with the worm wheel.

[0012] As an optional scheme, the inner circle of the rope wheel is provided with an internal gear, and the second end of the rotating shaft is provided with a transmission gear matched with the internal gear.

[0013] As an optional scheme, the main box is provided with a guide wheel, and the guide wheel is used to guide the steel wire rope penetrated into the wire inlet into the wheel groove of the rope wheel.

[0014] The hand-automatic integrated lifting mechanism has the advantages that the hand-automatic integrated lifting mechanism can be driven to rotate by the motor and can be driven to rotate by the hand crank, so that the winding function of the steel wire rope can be realized by the manual mode in the case of motor failure, and the lifting requirement is met.

[0015] The hand-automatic integrated lifting mechanism can be driven to rotate by the motor and can be driven to rotate by the hand crank, so that the winding function of the steel wire rope can be realized by the manual mode in the case of motor failure, and the lifting requirement is met. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a first angle structure schematic diagram of the hand-automatic integrated lifting mechanism provided by the utility model embodiment.

[0017] Figure 2 is a second angle structure schematic diagram of the hand-automatic integrated lifting mechanism provided by the utility model embodiment.

[0018] In the drawings:

[0019] 1, main box body; 2, motor; 3, hand crank; 4, rope wheel; 5, rotating shaft; 6, wire inlet; 7, steel wire rope; 8, ratchet wheel; 9, pawl; 10, torsional spring; 11, worm wheel; 12, worm; 13, transmission gear; 14, guide wheel. DETAILED DESCRIPTION

[0020] The utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all the structures.

[0021] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them.Moreover, first feature is in second feature "on", "above" and "upper surface" includes that first feature is in second feature directly above and obliquely above, or just indicates that first feature horizontal height is higher than second feature.First feature is in second feature "under", "below" and "under surface" includes that first feature is in second feature directly below and obliquely below, or just indicates that first feature horizontal height is less than second feature.

[0023] In the description of the embodiment, the terms "upper", "lower", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and 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, therefore cannot be understood as a limitation on the utility model.

[0024] In addition, the terms "first", "second" and the like are only used to distinguish in description, and have no special meaning.

[0025] Please refer to Figure 1 And Figure 2 As shown in the drawings, the embodiment provides a hand self lifting mechanism, which comprises a main box body 1, a motor 2 and a hand crank 3, wherein:

[0026] The main box body 1 is provided with a rope wheel 4 and a rotating shaft 5, the main box body 1 is provided with a wire inlet 6, the wire inlet 6 is penetrated by a steel wire rope 7, the steel wire rope 7 is wound on the rope wheel 4, and the rotating shaft 5 is in transmission connection with the rope wheel 4;

[0027] The motor 2 is installed on the surface of the main box body 1, the output shaft of the motor 2 extends into the main box body 1 and is in transmission connection with the rotating shaft 5;

[0028] The first end of the rotating shaft 5 extends out of the main box body 1, the hand crank 3 is detachably sleeved on the first end of the rotating shaft 5 and is linked with the rotating shaft 5, the rotating shaft 5 is provided with a ratchet wheel 8, and the surface of the main box body 1 is provided with a pawl 9 matched with the ratchet wheel 8, the pawl 9 is used for limiting the hand crank 3 to rotate only in one circumferential direction.

[0029] Therefore, the rotating shaft 5 can be driven to rotate through the motor 2, and the rotating shaft 5 can also be driven to rotate through the hand crank 3, so that the winding function of the steel wire rope 7 can still be realized in a manual mode in the case that the motor 2 fails, and the lifting requirement is met.It should be noted that the descending function can be realized by cooperating with the existing slow descending device, and the steel wire rope 7 does not need to be driven to be unwound by the motor 2 or the hand crank 3.

[0030] Optionally, the hand crank 3 is connected with the rotating shaft 5 through a spline, so that the hand crank 3 and the rotating shaft 5 can be quickly disassembled, and the hand crank 3 is preferably disassembled when the rotating shaft 5 is driven by the motor 2, so as to avoid interference with the electric drive.

[0031] Optionally, the pawl 9 is provided with a torsion spring 10, which is used to drive the pawl 9 to press against the ratchet wheel 8, so as to prevent the hand crank 3 from being reversed, and the pawl 9 can be separated from the ratchet wheel 8 by compressing the torsion spring 10, so that the hand crank 3 can be disassembled or assembled.

[0032] Optionally, the rotating shaft 5 is provided with a worm wheel 11, and the output shaft of the motor 2 is provided with a worm gear 12 matched with the worm wheel 11, so as to drive the rotating shaft 5 by the motor 2.

[0033] Optionally, the inner ring of the rope wheel 4 is provided with an internal gear, and the second end of the rotating shaft 5 is provided with a transmission gear 13 matched with the internal gear, so as to link the rotating shaft 5 with the rope wheel 4.

[0034] Optionally, the main box body 1 is provided with a guide wheel 14, which is used to guide the steel wire rope 7 entering the wire inlet 6 into the groove of the rope wheel 4, so as to accurately wind the steel wire rope 7.

[0035] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not limited to the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A power-assisted lifting mechanism, characterised in that, Including main box (1), motor (2) and hand crank (3), wherein: The main box (1) is provided with a rope wheel (4) and a rotating shaft (5), the main box (1) is provided with a wire inlet (6), the steel wire rope (7) is inserted into the wire inlet (6), the steel wire rope (7) is wound on the rope wheel (4), the rotating shaft (5) is in transmission connection with the rope wheel (4); The motor (2) is installed on the surface of the main box (1), the output shaft of the motor (2) extends into the main box (1) and is in transmission connection with the rotating shaft (5); The first end of the rotating shaft (5) extends out of the main box (1), the hand crank (3) is detachably sleeved on the first end of the rotating shaft (5) and is linked with the rotating shaft (5), the rotating shaft (5) is provided with a ratchet wheel (8), the surface of the main box (1) is provided with a pawl (9) matched with the ratchet wheel (8), the pawl (9) is used for limiting the hand crank (3) to rotate only in one circumferential direction.

2. The hands-free lifting mechanism of claim 1, wherein, The hand crank (3) and the rotating shaft (5) are matched through spline.

3. The hands-free lifting mechanism of claim 1, wherein, The pawl (9) and the main box (1) are provided with a torsion spring (10), and the torsion spring (10) is used for driving the pawl (9) to press against the ratchet wheel (8).

4. The hands-free lifting mechanism of claim 1, wherein, The rotating shaft (5) is provided with a worm wheel (11), and the output shaft of the motor (2) is provided with a worm (12) matched with the worm wheel (11).

5. The HSM of claim 1, wherein, The inner ring of the rope wheel (4) is provided with an internal gear, and the second end of the rotating shaft (5) is provided with a transmission gear (13) matched with the internal gear.

6. The hands-free lifting mechanism of claim 1, wherein, The main box (1) is provided with a guide wheel (14), and the guide wheel (14) is used for guiding the steel wire rope (7) inserted into the wire inlet (6) into the groove of the rope wheel (4).

Images