CN218520960U

CN218520960U - Telescopic hoisting device

Info

Publication number: CN218520960U
Application number: CN202222509239.4U
Authority: CN
Inventors: 付群; 张洋; 刘鑫
Original assignee: Zhengzhou Hongyu Special Vehicle Co ltd
Current assignee: Zhengzhou Hongyu Special Vehicle Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-02-24
Anticipated expiration: 2032-09-22

Abstract

A telescopic hoisting device comprises a carriage body, an electric hoist, a lifting device and a telescopic arm; the top of the carriage body is provided with two rails at intervals, the rails are of a C-shaped structure, and the length direction axes of the rails are correspondingly parallel to the length direction axis of the carriage body; two rollers which are correspondingly matched with the corresponding rails in a rolling way are arranged at two ends of the lifting device at intervals, and the rollers are positioned in the openings of the rails; the center of the top of the lifting device is rotatably connected with a turntable, the top of the turntable is provided with a telescopic arm, one side of the turntable, which corresponds to the telescopic arm, is provided with a through hole, the top of the lifting device, which corresponds to the outer side of a turntable rotating shaft, is uniformly distributed with a plurality of pin holes at intervals, the distance between the circle center of each pin hole and the axis of the turntable rotating shaft is equal to the distance between each through hole and the axis of the turntable rotating shaft, and a bolt which can extend into the corresponding pin hole is movably inserted in each through hole; the utility model discloses simple structure, weight is little, and convenient to use lifts by crane the operation flexibility ratio height.

Description

Telescopic hoisting device

Technical Field

The utility model belongs to the technical field of the jacking equipment technique and specifically relates to a flexible hoisting accessory is related to.

Background

As is known, the main modes for loading and unloading goods on van trucks and square cabin vehicles at the present stage are forklift assisted loading and unloading and lifting tail plate loading and unloading; due to the long-distance and extensive cargo transportation, the guarantee of cargo loading and unloading by a forklift can not be guaranteed anytime and anywhere; under the condition of no forklift guarantee, when loading and unloading articles with small volume and heavy weight, the problems of difficult operation, inconvenient loading and unloading and the like exist; the loading and unloading of the lifting tail plate need to install the lifting tail plate on the vehicle body, the weight of the lifting tail plate of the vehicle is mostly about 600 kilograms at present, even if the aluminum lifting tail plate can reduce the weight to a half, the loading of the vehicle body is inevitably increased by installing the lifting tail plate on the rear end of the frame, the loading capacity of the vehicle is reduced, the oil consumption is increased, the departure angle of the vehicle is reduced, the trafficability is poor, and for a side-door truck, heavy objects cannot be flexibly loaded and unloaded from two sides of the carriage, so that the use is inconvenient; therefore, there is a need for a lightweight, flexible lifting device that assists an operator in loading and unloading cargo in a vehicle cabin.

Disclosure of Invention

In order to overcome the deficiency in the background art, the utility model discloses a flexible hoisting accessory.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a telescopic hoisting device comprises a carriage body, an electric hoist, a lifting device and a telescopic arm; the top of the carriage body is provided with two rails at intervals, the rails are of a C-shaped structure, and the length direction axes of the rails are correspondingly parallel to the length direction axis of the carriage body; two rollers which are correspondingly matched with the corresponding tracks in a rolling way are arranged at two ends of the lifting device at intervals, and the rollers are positioned in the openings of the tracks; the center of the top of the lifting device is rotatably connected with a turntable, the top of the turntable is provided with a telescopic arm, one side of the turntable, which corresponds to the telescopic arm, is provided with a through hole, the top of the lifting device, which corresponds to the outer side of a turntable rotating shaft, is uniformly distributed with a plurality of pin holes at intervals, the distance between the circle center of each pin hole and the axis of the turntable rotating shaft is equal to the distance between each through hole and the axis of the turntable rotating shaft, and a bolt which can extend into the corresponding pin hole is movably inserted in each through hole; the telescopic arm contains the urceolus, and the interpolation of urceolus has connect the telescopic link, telescopic arm with the carousel correspond the fastening connection, the end that stretches out of telescopic link of telescopic arm has articulated the electric hoist that is used for lifting by crane the heavy object.

Preferably, elevating gear contains base and lifting platform board, and the base top is equipped with lifting platform board, and the interval is equipped with two manual scissor jack between base and the lifting platform board, and the drive lead screw of two manual scissor jack passes through the coaxial transmission of shaft coupling and connects.

Preferably, a hand wheel is installed at the screw rod driving end of the manual scissor jack far away from the electric hoist in the two manual scissor jacks.

Preferably, the two sides of the outer cylinder of the telescopic arm corresponding to one end of the electric hoist are hinged with supporting legs.

Preferably, the leg body of the supporting leg is provided with an extension plate which can extend out of the top of the outer cylinder of the telescopic arm, one end of the extension plate, which deviates from the supporting leg, is provided with a jack, and two extension plates are inserted into the corresponding jack positions of the two extension plates to form pins.

Preferably, the carriage body top corresponds and is equipped with the limiting plate that corresponds parallel with two tracks between two tracks, and the limiting plate top interval is equipped with a plurality of spacing holes, and elevating gear one side activity is pegged graft and is had the spacer pin that can insert corresponding spacing downthehole.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a telescopic hoisting device, which has simple structure, light weight, convenient use and high flexibility of hoisting operation; the two rails are arranged at the top of the carriage body at intervals, and the lifting device can move along the rails so as to be convenient for adjusting the lifting position; the center of the top of the lifting device is rotatably connected with a turntable, a telescopic arm is arranged at the top of the turntable, the direction of the telescopic arm can be adjusted through the turntable, and the direction of the telescopic arm is positioned through inserting a bolt into a corresponding pin hole, so that the length direction axis of the telescopic arm is vertical or parallel to the length direction axis of the carriage body, the heavy objects at the two sides and the tail of the carriage body can be lifted, and the lifting range is effectively enlarged.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural diagram of the lifting device;

fig. 3 is a top view of the lifting device.

In the figure: 1. a carriage body; 2. an electric hoist; 3. a lifting device; 3-1, a base; 3-2, lifting the platform plate; 3-3, a manual scissor jack; 3-4, a coupler; 3-5, a hand wheel; 4. a telescopic arm; 5. a track; 6. a roller; 7. a turntable; 8. a spacing pin; 9. a pin hole; 10. a bolt; 11. a support leg; 12. an extension plate; 13. a pin; 14. and a limiting plate.

Detailed Description

The present invention will be explained in detail by the following embodiments, and it is to be understood that the present invention is intended to protect all technical improvements within the scope of the present invention, and in the description of the present invention, it is to be understood that if there are the terms "upper", "lower", "front", "rear", "left", "right", etc. indicating the orientation or positional relationship, it is only corresponding to the drawings of the present application, and for the convenience of description of the present invention, it is not intended to indicate or imply that the device or element referred to must have a specific orientation.

With reference to fig. 1 to 3, a telescopic lifting device comprises a carriage body 1, an electric hoist 2, a lifting device 3 and a telescopic arm 4; two rails 5 are arranged at the top of the carriage body 1 at intervals, the rails 5 are of a C-shaped structure, and the length direction axes of the rails 5 are correspondingly parallel to the length direction axes of the carriage body 1; two rollers 6 which are correspondingly matched with the corresponding rails 5 in a rolling manner are arranged at two ends of the lifting device 3 at intervals, the rollers 6 are positioned in the openings of the rails 5, namely the rollers 6 can move along the rails 5, and meanwhile, the rails 5 with the C-shaped structures can prevent the rollers 6 from being separated, so that one end of the lifting device 3 is prevented from tilting; according to the requirement, the lifting device 3 comprises a base 3-1 and a lifting platform plate 3-2, the lifting platform plate 3-2 is arranged above the base 3-1, two manual scissor jacks 3-3 are arranged between the base 3-1 and the lifting platform plate 3-2 at intervals, and driving lead screws of the two manual scissor jacks 3-3 are in coaxial transmission connection through a coupler 3-4, namely the two manual scissor jacks 3-3 can be controlled to synchronously lift through screwing the driving lead screws, so that the lifting platform plate 3-2 is controlled to lift, the lifting platform plate 3-2 is lowered to the lowest position when a vehicle runs, the trafficability of the vehicle is prevented from being influenced, the lifting platform plate 3-2 can be raised firstly when a heavy object is parked and lifted, the telescopic arm 4 is raised, the lifting height can be increased, and the interference influence of the telescopic arm 4 and the top of the carriage body 1 is avoided; a hand wheel 3-5 is arranged at the lead screw driving end of the manual scissor jack 3-3 far away from the electric hoist 2 in the two manual scissor jacks 3-3, namely, the hand wheel 3-5 can drive the driving lead screw of the manual scissor jack 3-3 to rotate, so that the lifting of the lifting platform plate 3-2 can be controlled conveniently;

the center of the top of the lifting device 3 is rotatably connected with a turntable 7, the top of the turntable 7 is provided with a telescopic arm 4, one side of the turntable 7, which corresponds to the telescopic arm 4, is provided with a through hole, the top of the lifting device 3, which corresponds to the outer side of a rotating shaft of the turntable 7, is uniformly distributed with a plurality of pin holes 9 in a ring manner, the distance between the circle centers of the pin holes 9 and the axis of the rotating shaft of the turntable 7 is equal to the distance between the through hole and the axis of the rotating shaft of the turntable 7, and a bolt 10 which can extend into the corresponding pin hole 9 is movably inserted into the through hole, namely, the direction of the telescopic arm 4 can be adjusted through the turntable 7, and the direction of the telescopic arm 4 is positioned through inserting the bolt 10 into the corresponding pin hole 9, so that the length direction axis of the telescopic arm 4 is correspondingly vertical or parallel to the length direction axis of the carriage body 1, and thus heavy objects at the two sides and the tail of the carriage body 1 can be lifted;

the telescopic arm 4 comprises an outer barrel, a telescopic rod is inserted in the outer barrel, the telescopic arm 4 is correspondingly and fixedly connected with the turntable 7, and the extending end of the telescopic rod of the telescopic arm 4 is hung with the electric hoist 2 for hoisting a heavy object, so that the heavy object can be hoisted by the electric hoist 2, the telescopic rod of the telescopic arm 4 can be extended when the electric hoist is used, and the hoisting range is enlarged;

in addition, the two sides of one end of the outer cylinder of the telescopic arm 4, which corresponds to the electric hoist 2, are hinged with the supporting legs 11, namely when the telescopic arm 4 rotates to be correspondingly parallel to the axial line of the carriage body 1 in the length direction, the supporting legs 11 can be vertically opened, and the supporting legs 11 are in contact with the top of the carriage body 1, so that the purpose of supporting the outer cylinder of the telescopic arm 4 is achieved, and the bending moment born by the rotating shaft of the turntable 7 is effectively reduced; the legs of the supporting legs 11 are provided with extension plates 12 capable of extending out of the tops of the outer cylinders of the telescopic arms 4, one ends of the extension plates 12, which are far away from the supporting legs 11, are provided with insertion holes, pins 13 are inserted into the positions, corresponding to the insertion holes, of the two extension plates 12, namely the insertion holes are positioned at the tops of the outer cylinders of the telescopic arms 4 when the two supporting legs 11 are horizontal, the insertion pins 13 can limit the falling of the supporting legs 11, and the phenomenon that the supporting legs 11 accidentally fall in the process of rotating the telescopic arms 4 to influence the rotation of the telescopic arms 4 is avoided;

when the two support legs 11 are vertical, the jacks are positioned at the bottom of the outer cylinder of the telescopic arm 4, the pins 13 are inserted to limit the support legs 11 to swing upwards, and the support legs 11 are prevented from swinging upwards accidentally during the process of lifting heavy objects and losing supporting force; the carriage body 1 top corresponds and is equipped with between two tracks 5 and corresponds limiting plate 14 parallel with two tracks 5, and limiting plate 14 top interval is equipped with a plurality of spacing holes, and 3 one side activities of elevating gear are pegged graft and are had the spacer pin 8 that can insert corresponding spacing downthehole, can be through spacer pin 8 and the position of corresponding spacing hole cooperation location elevating gear 3 promptly, avoid elevating gear 3 to remove along track 5 at will.

When the telescopic lifting device is used, the lifting device 3 is firstly lifted, so that the telescopic arm 4 is lifted, then the lifting platform plate 3-2 moves to a proper position along the track 5, the telescopic rod of the telescopic arm 4 is drawn out, the electric hoist 2 is hung at the extending end of the telescopic rod of the telescopic arm 4, and thus a heavy object can be lifted through the electric hoist 2; after the heavy object is lifted, the electric hoist 2 is taken down, the telescopic rod of the telescopic arm 4 is reset, the lifting device 3 is lowered and reset, and the influence on the trafficability of the vehicle is avoided.

The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, and all changes coming within the meaning and range of equivalency are intended to be embraced therein.

Claims

1. The utility model provides a flexible hoisting accessory, contains carriage body (1) and electric hoist (2), characterized by: the device also comprises a lifting device (3) and a telescopic arm (4); the top of the carriage body (1) is provided with two rails (5) at intervals, the rails (5) are of a C-shaped structure, and the length direction axes of the rails (5) are correspondingly parallel to the length direction axes of the carriage body (1); two rollers (6) which are correspondingly matched with the corresponding rails (5) in a rolling manner are arranged at two ends of the lifting device (3) at intervals, and the rollers (6) are positioned in the openings of the rails (5); a turntable (7) is rotatably connected to the center of the top of the lifting device (3), a telescopic arm (4) is arranged at the top of the turntable (7), a through hole is formed in one side, corresponding to the telescopic arm (4), of the turntable (7), a plurality of pin holes (9) are uniformly distributed and annularly arranged on the outer side, corresponding to a rotating shaft of the turntable (7), of the top of the lifting device (3) at intervals, the distance between the circle center of each pin hole (9) and the axis of the rotating shaft of the turntable (7) is equal to the distance between each through hole and the axis of the rotating shaft of the turntable (7), and a bolt (10) capable of extending into the corresponding pin hole (9) is movably inserted into each through hole; the telescopic arm (4) comprises an outer barrel, a telescopic rod is inserted in the outer barrel, the telescopic arm (4) is correspondingly and fixedly connected with the rotary table (7), and the extending end of the telescopic rod of the telescopic arm (4) is connected with an electric hoist (2) for hoisting a heavy object in a hanging mode.

2. The telescopic crane as claimed in claim 1, wherein: the lifting device (3) comprises a base (3-1) and a lifting platform plate (3-2), the lifting platform plate (3-2) is arranged above the base (3-1), two manual scissor jacks (3-3) are arranged between the base (3-1) and the lifting platform plate (3-2) at intervals, and driving screws of the two manual scissor jacks (3-3) are connected through a coupler (3-4) in a coaxial transmission mode.

3. The telescopic lifting device as claimed in claim 2, wherein: a hand wheel (3-5) is arranged at the screw rod driving end of the manual scissor jack (3-3) far away from the electric hoist (2) in the two manual scissor jacks (3-3).

4. The telescopic crane as claimed in claim 1, wherein: the two sides of the outer cylinder of the telescopic arm (4) corresponding to one end of the electric hoist (2) are hinged with supporting legs (11).

5. The telescopic crane as claimed in claim 4, wherein: landing leg (11) leg body is equipped with extension plate (12) that can stretch out flexible arm (4) urceolus top, and the one end that extension plate (12) deviate from landing leg (11) is equipped with the jack, and two extension plates (12) correspond the jack position and peg graft and have pin (13).

6. The telescopic crane as claimed in claim 1, wherein: carriage body (1) top corresponds and is equipped with between two tracks (5) and corresponds limiting plate (14) parallel with two tracks (5), and limiting plate (14) top interval is equipped with a plurality of spacing holes, and elevating gear (3) one side activity is pegged graft and is had and to insert spacing downthehole spacer pin (8) of corresponding spacing.