CN218025261U

CN218025261U - Movable loading and unloading lifting platform

Info

Publication number: CN218025261U
Application number: CN202221909299.9U
Authority: CN
Inventors: 刘新亮; 柏寒; 王春波; 王明秀
Original assignee: Shandong Jinxin Heavy Industry Technology Co ltd
Current assignee: Shandong Jinxin Heavy Industry Technology Co ltd
Priority date: 2022-07-24
Filing date: 2022-07-24
Publication date: 2022-12-13
Anticipated expiration: 2032-07-24

Abstract

The utility model relates to a work piece lift field discloses a portable loading and unloading lift platform, including the chassis, chassis outside top fixedly connected with extends the frame plate, extend frame plate inside wall top fixedly connected with sliding tray, affiliated sliding tray inside wall interactive connection has the sliding block, chassis inside wall right-hand member fixedly connected with rotates the motor, rotate motor left side fixedly connected with rolling bearing, the rolling bearing left side is rotated and is connected with the threaded rod, threaded rod lateral wall fixedly connected with nut is vice, the vice top fixedly connected with sliding block of nut, extend frame plate outside wall top fixedly connected with electronic hydraulic component, electronic hydraulic component top fixedly connected with elevating platform. The utility model discloses in, the threaded rod rotates the vice driving sliding block of back nut and is the side-to-side motion, and the extension frame plate will order about the extension frame plate by the sliding block in the sliding tray and be the side-to-side motion afterwards.

Description

Movable loading and unloading lifting platform

Technical Field

The utility model relates to a work piece lift field especially relates to a portable loading and unloading lift platform.

Background

Lifting platform is a multi-functional jack-up loading and unloading mechanical equipment, can divide into fixed and portable: the movable type is divided into a straight arm type, a crank arm type, a scissor type, a mast type, an aluminum alloy lifting platform and a telescopic cylinder type: the lifting platform is a hoisting machine for vertically conveying people or objects, and also refers to equipment for vertically conveying in logistics systems of factories, automatic warehouses and the like, various plane conveying equipment is usually arranged on the lifting platform, and the lifting platform is used as a connecting device of conveying lines with different heights, is generally driven by hydraulic pressure, is called a hydraulic lifting platform, is widely applied to high-altitude installation, maintenance and other operations besides being used for conveying goods with different heights, has the characteristic of free lifting of the lifting platform, is widely applied to municipal maintenance, wharf, logistics center goods transportation, building decoration and the like, is provided with an automobile chassis, a battery car chassis and the like, can freely walk, has changed working height space, and has the advantages of light weight, self-walking, electric starting, self-supporting legs, simplicity in operation, large working surface, capability of crossing obstacles to perform high-altitude operation and the like 360-degree free rotation.

Many lift platforms on the market at present are of a great variety, the brand differs, in the use, lift platform often can only carry out single up-and-down motion at present lift in-process, can not accomplish both can be up-and-down also can the side-to-side motion, lift platform needs personnel to operate it in some works, need move left or right when the process of rising, but can only descend lift platform, thereby the manpower promotes the destination, can not go up the method that just removes, great inconvenience has been caused, present lift platform is used for realizing electric putter or hydraulic pressure always, use this kind of mechanism that often needs many structures to make lift platform need, and electric putter and hydraulic pressure are difficult to play continuous effect in subsequent work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a movable loading and unloading lifting platform which can be conveniently operated when being capable of controlling the displacement.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a portable loading and unloading lift platform, includes the chassis, chassis outside top fixedly connected with extends the frame plate, extend frame plate inside wall top fixedly connected with sliding tray, affiliated sliding tray inside wall sliding connection has the sliding block, chassis inside wall right-hand member fixedly connected with rotates the motor, rotate motor left side fixedly connected with rolling bearing, the rolling bearing left side is rotated and is connected with the threaded rod, threaded rod lateral wall fixedly connected with nut is vice, the vice top fixedly connected with sliding block of nut, extend frame plate outside wall top fixedly connected with electronic hydraulic component, electronic hydraulic component top fixedly connected with elevating platform.

As a further description of the above technical solution:

the left end of the inner side wall of the electric hydraulic component is fixedly connected with a bidirectional gear pump, the bidirectional gear pump and the right side wall of the electric hydraulic component are fixedly connected with a motor, and the right end of the motor is provided with an overflow valve.

As a further description of the above technical solution:

the right side of the overflow valve is fixedly connected with a bidirectional gear pump, the top end of the bidirectional gear pump is fixedly connected with a positioning block, and the top end of the positioning block is fixedly connected with a fork tooth guide positioning groove.

As a further description of the above technical solution:

the improved oil-way integrated block is characterized in that a fork guide positioning groove is formed in the bottom end of the outer side wall of the lifting platform, an oil-way integrated block is arranged at the bottom end of the lifting platform, metal interfaces are fixedly connected to two ends of the outer side wall of the oil-way integrated block, and an output port of each metal interface is fixedly connected to an output port of a transmission pipe.

As a further description of the above technical solution:

the oil circuit integrated block output port is fixedly connected to the transmission pipe input port, and the transmission pipe output port is fixedly connected to the overflow valve input port.

As a further description of the above technical solution:

extend the equal two-way gear pump of fixedly connected with in frame plate lateral wall top both sides, the equal fixed connection of two-way gear pump input port lateral wall is in motor output department.

As a further description of the above technical solution:

the chassis lateral wall top is provided with the elevating platform, elevating platform lateral wall bottom fixed connection is on extending the frame plate.

As a further description of the above technical solution:

the bottom end of the sliding groove is provided with a rotating motor, the bottom end of the sliding groove is provided with a rotating bearing, and the rotating bearing rotates the connector on the threaded rod.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, the motion will upwards be done to the bidirectional gear pump among the electro-hydraulic component when the elevating platform begins to work, the locating piece that is located on the bidirectional gear pump top can merge and can block after rising at prong direction constant head tank, under the same circumstances of thrust and speed, the electric energy of consumption only has half of electric putter, electric putter uses the motor as the power supply, through bidirectional gear pump output pressure oil, through oil circuit integrated piece ground control to hydro-cylinder, afterwards, external force when the piston rod receives surpasss the output power of setting or piston to the terminal point, the motor is still rotating, overload protection is realized to the overflow valve, need some additional structures unlike other push rod.

2. The utility model discloses in, when the in-process that uses, when personnel need remove it in lift platform, the rotating motor can provide power for rolling bearing at this time, and rolling bearing can rotate at the threaded rod afterwards, and screw motion is done to the nut pair on the threaded rod afterwards, and the threaded rod rotates back nut pair drive sliding block afterwards and is the side-to-side movement, and the extension frame plate will order about the extension frame plate by the sliding block in the sliding tray afterwards and be the side-to-side movement.

Drawings

Fig. 1 is a front perspective schematic view of a mobile loading/unloading lifting platform according to the present invention;

fig. 2 is a schematic view of a front view of an internal structure of a mobile loading/unloading lift platform according to the present invention;

fig. 3 is a schematic front view of an internal structure of an electro-hydraulic assembly of the mobile loading/unloading lift platform according to the present invention;

fig. 4 is a schematic view of the internal structure of the extension frame plate of the mobile loading/unloading lift platform according to the present invention.

Illustration of the drawings:

1. a chassis; 2. an electro-hydraulic assembly; 3. a lifting platform; 4. fork tooth guide positioning grooves; 5. positioning blocks; 6. a motor; 7. a bidirectional gear pump; 8. an overflow valve; 9. a metal interface; 10. an oil circuit integrated block; 11. a conveying pipe; 12. rotating the motor; 13. a rotating bearing; 14. a threaded rod; 15. a nut pair; 16. an extension frame plate; 17. a slider; 18. a sliding groove; 19. and an oil cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-4, a movable loading and unloading lifting platform comprises a movable loading and unloading lifting platform body, wherein an underframe 1 is specially used for lifting the lifting platform body, an extension frame plate 16 is fixedly connected to the top end of the outer side of the underframe 1 and used for enabling the lifting platform body to move forwards, a sliding groove 18 is fixedly connected to the top end of the inner side wall of the extension frame plate 16 and used for driving the extension frame plate 16 to move through sliding, a sliding block 17 is slidably connected to the inner side wall of the sliding groove 18 and used for sliding left and right, so that left and right displacement of the extension frame plate 16 is driven, a rotating motor 12 is fixedly connected to the right end of the inner side wall of the underframe 1 and used for driving a threaded rod 14 and a rotating bearing 13, a rotating bearing 13 is fixedly connected to the left side of the rotating motor 12 and used for driving the threaded rod 14 to rotate, a threaded rod 14 is rotatably connected to the left side of the rotating bearing 13, a nut pair 15 is fixedly connected to the outer side wall of the threaded rod 14 and used for screw rod movement, a sliding block 17 is fixedly connected to the top end of the nut pair 15, an electric hydraulic component 2 is fixedly connected to the top end of the outer side wall of the extension frame plate 16, and a lifting platform 3 is fixedly connected to the lifting platform body 3 is used for lifting.

The left end of the inner side wall of the electric hydraulic component 2 is fixedly connected with a bidirectional gear pump 7, the right side wall of the bidirectional gear pump 7 is fixedly connected with a motor 6 to output pressure oil, the right end of the motor 6 is provided with an overflow valve 8, the overflow valve 8 can quickly and accurately overflow, overload protection is realized, the motor 6 rotates but cannot burn, the right side of the overflow valve 8 is fixedly connected with the bidirectional gear pump 7, the top end of the bidirectional gear pump 7 is fixedly connected with a positioning block 5, the top end of the positioning block 5 is fixedly connected with a prong guiding positioning groove 4, the bottom end of the outer side wall of the lifting platform 3 is provided with the prong guiding positioning groove 4, the bottom end of the lifting platform 3 is provided with an oil circuit integrated block 10, both ends of the outer side wall of the oil circuit integrated block 10 are fixedly connected with metal interfaces 9, the output ports of the metal interfaces 9 are fixedly connected at the output ports of a transmission pipe 11, the output ports of the oil circuit integrated block 10 are fixedly connected at the input ports of the transmission pipe 11, the output ports of the transmission pipe 11 are fixedly connected at the input ports of the transmission pipe 11, the output ports of the overflow valve 8, the transmission pipe 11 is fixedly connected at the input ports of an oil cylinder 19, both sides of the outer side wall of the extension frame plate 16, the outer side wall of the extension frame plate 16 is fixedly connected at both sides of the top end of the outer side wall of the motor 6, the outer side wall of the outer side wall, the outer side wall of the motor 6 is fixedly connected with a rotary screw rod, the rotary screw rod 14, the rotary screw rod of the rotary bearing 14 and a rotary screw rod 13 connected on the rotary screw rod of the rotary bearing 14, the rotary screw rod of the rotary screw rod on the rotary screw rod of the rotary bearing 14.

The working principle is as follows: when the lifting platform starts to work, the electric hydraulic component 2 takes the motor 6 as a power source, pressure oil is output through the bidirectional gear pump 7 and is controlled by the oil circuit manifold 10 to the oil cylinder 19 to perform piston movement, then the prong guide positioning groove 4 on the top end of the electric hydraulic component 2 is clamped with the positioning block 5, then the electric hydraulic component 2 is stabilized above the bottom frame 1, then the overflow valve 8 can continuously control the pressure oil output by the bidirectional gear pump 7 in the electric hydraulic component 2 during the process, the motor is prevented from being burnt when rotating, when the lifting platform needs to move, the motor 12 is rotated to drive the rotating bearing 13 to enable the nut pair 15 and the threaded rod 14 to perform lead screw movement so as to drive the sliding block 17 in the sliding groove 18 to enable the extension frame plate 16 to move left and right, and the lifting platform can not move left and right in the lifting process.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a portable loading and unloading lift platform, includes chassis (1), its characterized in that: chassis (1) outside top fixedly connected with extends frame plate (16), extend frame plate (16) inboard wall top fixedly connected with sliding tray (18), affiliated sliding tray (18) inside wall sliding connection has sliding block (17), chassis (1) inside wall right-hand member fixedly connected with rotates motor (12), rotate motor (12) left side fixedly connected with rolling bearing (13), rolling bearing (13) left side is rotated and is connected with threaded rod (14), threaded rod (14) lateral wall fixedly connected with nut is vice (15), vice (15) top fixedly connected with sliding block (17) of nut, extend frame plate (16) outside wall top fixedly connected with electronic hydraulic assembly (2), electronic hydraulic assembly (2) top fixedly connected with elevating platform (3).

2. A mobile loading/unloading lift platform, according to claim 1, wherein: the hydraulic control system is characterized in that a bidirectional gear pump (7) is fixedly connected to the left end of the inner side wall of the electric hydraulic component (2), a motor (6) is fixedly connected to the right side wall of the bidirectional gear pump (7), and an overflow valve (8) is arranged at the right end of the motor (6).

3. A mobile loading/unloading lift platform, according to claim 2, wherein: the overflow valve (8) is characterized in that a bidirectional gear pump (7) is fixedly connected to the right side of the overflow valve (8), a positioning block (5) is fixedly connected to the top end of the bidirectional gear pump (7), and a fork tooth guide positioning groove (4) is fixedly connected to the top end of the positioning block (5).

4. A mobile loading dock lift platform according to claim 3, wherein: elevating platform (3) lateral wall bottom is provided with prong direction constant head tank (4), elevating platform (3) bottom is provided with oil circuit integrated package (10), the equal fixedly connected with metal interface (9) in oil circuit integrated package (10) lateral wall both ends, metal interface (9) delivery outlet fixed connection is in transmission pipe (11) delivery outlet department.

5. A mobile loading dock lift platform according to claim 4, wherein: the oil line integrated block (10) is fixedly connected to an inlet of a transmission pipe (11), the outlet of the transmission pipe (11) is fixedly connected to an inlet of an overflow valve (8), and the outlet of the transmission pipe (11) is fixedly connected to an inlet of an oil cylinder (19).

6. A mobile loading/unloading lift platform, according to claim 1, wherein: extend frame plate (16) lateral wall top both sides equal fixedly connected with bidirectional gear pump (7), the equal fixed connection of bidirectional gear pump (7) input port lateral wall is in motor (6) output port department.

7. A mobile loading/unloading lift platform, according to claim 1, wherein: chassis (1) lateral wall top is provided with elevating platform (3), elevating platform (3) lateral wall bottom fixed connection is on extending frame plate (16).

8. A mobile loading/unloading lift platform according to claim 1, wherein: the bottom end of the sliding groove (18) is provided with a rotating motor (12), the bottom end of the sliding groove (18) is provided with a rotating bearing (13), and the rotating bearing (13) is rotatably connected to the threaded rod (14).