CN215711028U

CN215711028U - Folding portable hoist

Info

Publication number: CN215711028U
Application number: CN202121919017.9U
Authority: CN
Inventors: 陈亮; 刘国祥
Original assignee: Beijing Tianma Lifting Sling Co ltd
Current assignee: Beijing Tianma Lifting Sling Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-01
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a foldable portable lifting appliance, which comprises a vertical pipe, wherein the top of an inner cavity of the vertical pipe is fixedly connected with a first motor, a rotating shaft of the first motor is fixedly connected with a first threaded rod, the bottom of the first threaded rod is movably connected with the bottom of the inner wall of the vertical pipe, the surface of the first threaded rod is in threaded connection with a threaded sleeve, two sides of the vertical pipe are respectively provided with a long hole, and two sides of the threaded sleeve are respectively and movably connected with a first connecting rod through the rotating shaft. The utility model has the advantages of being convenient to fold and adjust the angle of the lifting appliance, and solves the problems that most of the existing lifting appliances are fixedly connected and have large volume, do not have the folding function in the transportation, loading and unloading processes, have large occupied space and bring inconvenience to transportation, do not have the function of adjusting the angle of the lifting appliance, are inconvenient to hang on objects with different sizes, and reduce the applicability of the lifting appliance.

Description

Folding portable hoist

Technical Field

The utility model relates to the technical field of lifting appliances, in particular to a foldable portable lifting appliance.

Background

The English name of a lifting appliance refers to a device for lifting a heavy object in a lifting machine, can be used as a special lifting appliance on a crane for a long time, can also be used as a replaceable auxiliary lifting appliance to be hung on a lifting hook for temporary use, and is commonly used for various warehouses and storage yards to improve the operation efficiency.

Current hoist, most all be for fixed connection, have bulky defect, in transportation handling, do not have the folding function, it is big to possess the space, brings inconvenience for the transportation, does not have the function of adjusting the hoist angle simultaneously, is not convenient for articulate it on the object of equidimension not, has reduced the suitability of hoist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a foldable portable lifting appliance, which has the advantages of convenience in folding and adjusting the angle of the lifting appliance, and solves the problems that most of the conventional lifting appliances are fixedly connected and have large volume, do not have the folding function in the transportation, loading and unloading processes, occupy large space and bring inconvenience to transportation, do not have the function of adjusting the angle of the lifting appliance, are inconvenient to hang on objects with different sizes, and reduce the applicability of the lifting appliance.

In order to achieve the purpose, the utility model provides the following technical scheme: a foldable portable lifting appliance comprises a vertical pipe, wherein a first motor is fixedly connected to the top of an inner cavity of the vertical pipe, a first threaded rod is fixedly connected to a rotating shaft of the first motor, the bottom of the first threaded rod is movably connected with the bottom of the inner wall of the vertical pipe, a threaded sleeve is connected to the surface of the first threaded rod in a threaded manner, long holes are formed in two sides of the vertical pipe, first connecting rods are movably connected to two sides of the threaded sleeve through the rotating shaft, second connecting rods are movably connected to the bottoms of two sides of the vertical pipe through the rotating shaft, one ends, far away from the threaded sleeve, of the first connecting rods penetrate through the long holes and are movably connected with the tops of the second connecting rods through the rotating shaft, a lifting plate is movably connected to one end, far away from the vertical pipe, of the second connecting rods through the rotating shaft, vertical grooves are formed in the opposite sides of the lifting plates, guide rods are fixedly connected to the inner walls of the vertical grooves, and guide sleeves are sleeved on the surfaces of the guide rods, one side that the hanger plate was kept away from to second connecting rod bottom has electric telescopic handle through pivot swing joint, electric telescopic handle keeps away from one side swing joint of one end of second connecting rod through pivot and uide bushing, the bottom fixedly connected with lug of hanger plate, the top swing joint of standpipe has the connecting plate, the fixed cover in surface of standpipe is equipped with the sleeve pipe, the right side fixedly connected with second motor of connecting plate bottom, the pivot of second motor extends to sheathed tube inner chamber and fixedly connected with gear, sheathed tube inner wall fixedly connected with tooth, gear and tooth meshing.

Preferably, a bearing is movably connected between the first threaded rod and the bottom of the inner wall of the vertical pipe, the bottom of the bearing is fixedly connected with the bottom of the inner wall of the vertical pipe, and the bearing is sleeved on the surface of the first threaded rod.

Preferably, the top of connecting plate has the clamp ring through pivot swing joint, one side of clamp ring is run through and is provided with the second threaded rod, the equal thread bush in both sides on second threaded rod surface is equipped with the nut.

Preferably, one side of the nut is in contact with the clamping ring, and a knob is fixedly connected to the surface of the nut.

Preferably, the surface of the lifting lug is provided with anti-skidding lines, and the guide sleeve is movably connected with the guide rod.

Preferably, the front of standpipe fixedly connected with battery and controller respectively, the output and the controller electric connection of battery, the output of controller respectively with electric telescopic handle, first motor and second motor electric connection.

Compared with the prior art, the utility model has the following beneficial effects:

the lifting appliance has the advantages of being convenient to fold and adjust the angle of the lifting appliance through the matching of the vertical pipe, the first motor, the first threaded rod, the threaded sleeve, the long hole, the first connecting rod, the second connecting rod, the lifting plate, the vertical groove, the guide rod, the guide sleeve, the electric telescopic rod, the lifting lug, the connecting plate, the sleeve, the second motor, the gear and the teeth, and solves the problems that most of existing lifting appliances are fixedly connected and have the defect of large size, the existing lifting appliances do not have the folding function in the transportation, the occupied space is large, inconvenience is brought to transportation, the function of adjusting the angle of the lifting appliance does not exist, the lifting appliances are not convenient to be hung on objects with different sizes, and the applicability of the lifting appliance is reduced.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic top view of a gear and tooth connection according to the present invention;

FIG. 4 is a schematic top view, partially in section, of the structure of the present invention;

FIG. 5 is an enlarged view of a portion of the structure A in FIG. 1 according to the present invention.

In the figure: the device comprises a vertical pipe 1, a first motor 2, a first threaded rod 3, a threaded sleeve 4, a long hole 5, a first connecting rod 6, a second connecting rod 7, a hanging plate 8, a vertical groove 9, a guide rod 10, a guide sleeve 11, an electric telescopic rod 12, a lifting lug 13, a connecting plate 14, a sleeve 15, a second motor 16, a gear 17, a tooth 18, a clamping ring 19, a second threaded rod 20, a nut 21 and a controller 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", 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 describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The vertical pipe 1, the first motor 2, the first threaded rod 3, the threaded sleeve 4, the long hole 5, the first connecting rod 6, the second connecting rod 7, the hanging plate 8, the vertical groove 9, the guide rod 10, the guide sleeve 11, the electric telescopic rod 12, the lifting lug 13, the connecting plate 14, the sleeve 15, the second motor 16, the gear 17, the tooth 18, the clamping ring 19, the second threaded rod 20, the nut 21 and the controller 22 are all universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the device can be known by technical manuals or conventional experimental methods.

Referring to fig. 1-5, a foldable portable hanger comprises a vertical tube 1, a first motor 2 is fixedly connected to the top of an inner cavity of the vertical tube 1, a first threaded rod 3 is fixedly connected to a rotating shaft of the first motor 2, the bottom of the first threaded rod 3 is movably connected to the bottom of an inner wall of the vertical tube 1, a threaded sleeve 4 is connected to the surface of the first threaded rod 3 through a thread, two sides of the vertical tube 1 are respectively provided with a long hole 5, two sides of the threaded sleeve 4 are respectively movably connected to a first connecting rod 6 through a rotating shaft, the movement of the second connecting rod 7 is facilitated by the arrangement of the first connecting rod 6, the bottoms of two sides of the vertical tube 1 are respectively movably connected to a second connecting rod 7 through a rotating shaft, one end of the first connecting rod 6, far away from the threaded sleeve 4, penetrates through the long hole 5 and is movably connected to the top of the second connecting rod 7 through a rotating shaft, one end of the second connecting rod 7, far away from the vertical tube 1, is movably connected to a hanger plate 8 through a rotating shaft, a vertical groove 9 is formed on one side opposite to the hanging plate 8, a guide rod 10 is fixedly connected to the inner wall of the vertical groove 9, a guide sleeve 11 is sleeved on the surface of the guide rod 10, an electric telescopic rod 12 is movably connected to one side, far away from the hanging plate 8, of the bottom of the second connecting rod 7 through a rotating shaft, the hanging plate 8 is conveniently and stably supported through the electric telescopic rod 12, the distance between the lifting lugs 13 is changed, one end, far away from the second connecting rod 7, of the electric telescopic rod 12 is movably connected with one side of the guide sleeve 11 through the rotating shaft, the lifting lug 13 is fixedly connected to the bottom of the hanging plate 8, a connecting plate 14 is movably connected to the top of the vertical pipe 1, a sleeve pipe 15 is fixedly sleeved on the surface of the vertical pipe 1, a second motor 16 is fixedly connected to the right side of the bottom of the connecting plate 14, the rotating shaft of the second motor 16 extends to the inner cavity of the sleeve pipe 15 and is fixedly connected with a gear 17, teeth 18 are fixedly connected to the inner wall of the sleeve pipe 15, the gear 17 is meshed with the teeth 18, the bearing is movably connected between the first threaded rod 3 and the bottom of the inner wall of the vertical pipe 1, the bottom of the bearing is fixedly connected with the bottom of the inner wall of the vertical pipe 1, the bearing is sleeved on the surface of the first threaded rod 3, the first threaded rod 3 is stably contacted with the bottom of the inner wall of the vertical pipe 1 through the bearing, the first threaded rod 3 is convenient to rotate, the top of the connecting plate 14 is movably connected with the clamping ring 19 through the rotating shaft, one side of the clamping ring 19 is provided with the second threaded rod 20 in a penetrating way, both sides of the surface of the second threaded rod 20 are provided with the nuts 21 in a threaded sleeve manner, the stable supporting installation of the connecting plate 14 and a crane is convenient through the arrangement of the clamping ring 19, the nuts 21 are contacted with the clamping ring 19 in a threaded sleeve manner, the surface of the nuts 21 is fixedly connected with the knob, the nuts 21 are convenient to rotate by hands through the arrangement of the knob, the anti-slip grains are arranged on the surface of the lifting lugs 13, and the guide sleeve 11 is movably connected with the guide rod 10, the front of the vertical pipe 1 is fixedly connected with a storage battery and a controller 22 respectively, the output end of the storage battery is electrically connected with the controller 22, the output end of the controller 22 is electrically connected with the electric telescopic rod 12, the first motor 2 and the second motor 16 respectively, the vertical pipe 1, the first motor 2, the first threaded rod 3, the threaded sleeve 4, the long hole 5, the first connecting rod 6, the second connecting rod 7, the hanging plate 8, the vertical groove 9, the guide rod 10, the guide sleeve 11, the electric telescopic rod 12, the lifting lug 13, the connecting plate 14, the sleeve 15, the second motor 16, the gear 17 and the teeth 18 are matched, so that the lifting appliance has the advantages of being convenient to fold and adjust the angle of the lifting appliance, the defects that most of the existing lifting appliances are fixedly connected and have large volume are solved, the lifting appliance does not have a folding function in the transportation, occupies a large space, brings inconvenience to transportation and does not have a function of adjusting the angle of the lifting appliance at the same time, the hanger is inconvenient to hang on objects with different sizes, and the applicability of the hanger is reduced.

The threaded rod is a mechanical part, and only one spiral groove thread is arranged on a cylinder, and a cylindrical threaded fastener matched with a nut needs to be matched with the nut and is used for fastening and connecting two parts with through holes, and if the nut is screwed off from the threaded rod, the two parts can be separated.

The motor can control speed, position precision is very accurate, voltage signals can be converted into torque and rotating speed to drive a control object, the rotating speed of a motor rotor is controlled by input signals and can react quickly, the motor is used as an execution element in an automatic control system and has the characteristics of small electromechanical time constant, high linearity and the like, received electric signals can be converted into angular displacement or angular speed on a motor shaft to be output, the motor is divided into two categories of direct current servo motors and alternating current servo motors, and the motor is mainly characterized in that when the signal voltage is zero, no autorotation phenomenon exists, and the rotating speed is reduced at a constant speed along with the increase of the torque.

When the lifting appliance is used, the nut 21 is driven to be separated from the second threaded rod 20 by rotating the knob, the second threaded rod 20 is pulled to be separated from the clamping ring 19, the distance between the clamping rings 19 is increased, when the clamping ring 19 is sleeved on the lifting rod, the clamping ring is fixed by the threaded connection of the second threaded rod 20 and the nut 21, the controller 22 is used for starting the electric telescopic rod 12 to stretch and drive the lifting plate 8 and the lifting lug 13 to move transversely, the lifting appliance is folded, the controller 22 is used for starting the rotating shaft of the second motor 16 to rotate to drive the gear 17 to rotate, the gear 17 is meshed with the teeth 18 to drive the sleeve 15 to rotate, the sleeve 15 drives the vertical pipe 1 to rotate to adjust the angle of the lifting appliance, objects are convenient to be hung, the controller 22 is used for starting the rotating shaft of the first motor 2 to rotate to drive the first threaded rod 3 to rotate, the first threaded rod 3 is rotated to be connected with the threaded sleeve 4 to drive the threaded sleeve 4 to move upwards, the threaded sleeve 4 moves upwards to drive the first connecting rod 6 to move vertically, the first connecting rod 6 drives one end of the second connecting rod 7 to move upwards through the rotating shaft, and the second connecting rod 7 is folded.

In summary, the following steps: this folding portable hoist, through standpipe 1, first motor 2, first threaded rod 3, thread bush 4, slot hole 5, head rod 6, second connecting rod 7, hanger plate 8, erect groove 9, guide bar 10, uide bushing 11, electric telescopic handle 12, lug 13, connecting plate 14, sleeve pipe 15, second motor 16, gear 17 and tooth 18's cooperation, current hoist has been solved, most all are fixed connection, the defect that has bulky, in the transportation handling, do not have folding function, it is big to possess the space, bring inconvenience for the transportation, do not have the function of adjusting the hoist angle simultaneously, be not convenient for articulate it on the object of equidimension not, the problem of hoist suitability has been reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a folding portable hoist, includes standpipe (1), its characterized in that: the improved vertical pipe structure is characterized in that a first motor (2) is fixedly connected to the top of an inner cavity of the vertical pipe (1), a first threaded rod (3) is fixedly connected to a rotating shaft of the first motor (2), the bottom of the first threaded rod (3) is movably connected with the bottom of an inner wall of the vertical pipe (1), a threaded sleeve (4) is connected to the surface of the first threaded rod (3) in a threaded manner, slot holes (5) are formed in both sides of the vertical pipe (1), first connecting rods (6) are movably connected to both sides of the threaded sleeve (4) in a rotating manner, second connecting rods (7) are movably connected to the bottoms of both sides of the vertical pipe (1) in a rotating manner, one ends, far away from the threaded sleeve (4), of the first connecting rods (6) penetrate through the slot holes (5) and are movably connected with the tops of the second connecting rods (7) in a rotating manner, one ends, far away from the vertical pipe (1), of the second connecting rods (7) are movably connected with hanging plates (8) in a rotating manner, a vertical groove (9) is formed in one side, opposite to the hanging plate (8), of the hanging plate (8), a guide rod (10) is fixedly connected to the inner wall of the vertical groove (9), a guide sleeve (11) is sleeved on the surface of the guide rod (10), an electric telescopic rod (12) is movably connected to one side, far away from the hanging plate (8), of the bottom of the second connecting rod (7) through a rotating shaft, one end, far away from the second connecting rod (7), of the electric telescopic rod (12) is movably connected to one side of the guide sleeve (11) through a rotating shaft, a lifting lug (13) is fixedly connected to the bottom of the hanging plate (8), a connecting plate (14) is movably connected to the top of the vertical pipe (1), a sleeve (15) is fixedly sleeved on the surface of the vertical pipe (1), a second motor (16) is fixedly connected to the right side of the bottom of the connecting plate (14), and a rotating shaft of the second motor (16) extends to the inner cavity of the sleeve (15) and is fixedly connected with a gear (17), teeth (18) are fixedly connected to the inner wall of the sleeve (15), and the gear (17) is meshed with the teeth (18).

2. The foldable portable sling according to claim 1, wherein: the bearing is movably connected between the first threaded rod (3) and the bottom of the inner wall of the vertical pipe (1), the bottom of the bearing is fixedly connected with the bottom of the inner wall of the vertical pipe (1), and the bearing sleeve is arranged on the surface of the first threaded rod (3).

3. The foldable portable sling according to claim 1, wherein: the top of connecting plate (14) has clamp ring (19) through pivot swing joint, one side of clamp ring (19) is run through and is provided with second threaded rod (20), the equal thread bush in both sides on second threaded rod (20) surface is equipped with nut (21).

4. The foldable portable sling according to claim 3, wherein: one side of the nut (21) is in contact with the clamping ring (19), and the surface of the nut (21) is fixedly connected with a knob.

5. The foldable portable sling according to claim 1, wherein: the surface of the lifting lug (13) is provided with anti-skidding lines, and the guide sleeve (11) is movably connected with the guide rod (10).

6. The foldable portable sling according to claim 1, wherein: the front of standpipe (1) is fixedly connected with battery and controller (22) respectively, and the output and controller (22) electric connection of battery, the output of controller (22) respectively with electric telescopic handle (12), first motor (2) and second motor (16) electric connection.