CN220300362U - Vertical lift - Google Patents

Abstract

The utility model discloses a vertical lifter, which relates to the technical field of lifting work platforms and comprises the following components: a walking land; the rotary base is rotatably arranged on the walking floor; lifting device, it sets up on the gyration base, includes: the lower part of the underframe is hinged with the rotary base; the mast elevating system, its parallel arrangement is on the chassis, including a plurality of mast hoists or lower shelves, wherein: a workbench is arranged on the first mast lifting frame which is away from the underframe; one end of the hydraulic cylinder is hinged with the rotary base, and the other end of the hydraulic cylinder is hinged with the middle part of the underframe; the hydraulic cylinder and the mast lifting mechanism are respectively arranged at two sides of the underframe. The device provided by the utility model has good trafficability, is convenient for maneuver, and has higher working height and safety.

Description

Vertical lift

Technical Field

The utility model relates to the technical field of lifting work tables, in particular to a vertical lifter.

Background

In the construction of common building or independent building, such as middle and low-rise building, factory chimney and other higher building, the special equipment of the electric lifter is required to cooperate with the construction, but before the electric lifter is used, the electric lifter needs to be lifted to a special car of a transport vehicle to carry the lifter to the site, so that material resources are greatly consumed, more than 5 people are required to cooperate with the lifting to carry out about 3 days after the electric lifter is used on the site, the installation and detachment period is long, the construction can be carried out after the installation is completed because the construction lifter belongs to the special equipment and is required to be subjected to the inspection of a special inspection yard, the construction can be carried out after the lifter really reaches the site for about 10 days, the time cost is greatly wasted, and the lifter can not be converted or converted basically once the installation is completed, and the secondary disassembly installation and the inspection of the special inspection yard are required.

Patent (publication number CN 209442589U) discloses a folding mast type lifting working platform, which can be motorized, but the platform lifts the lifting mast by folding the mast in parallel, the working height is limited, and when lifting the lifting mast, the manned platform 03 is far away from the walking chassis 01 due to the horizontal span of the folding arm, which easily causes the working platform to topple over, and the safety is poor.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides the vertical lifter which has good trafficability, is convenient for maneuver and has higher working height and safety.

In order to achieve the above object, the present utility model has the following technical scheme:

a vertical lift comprising:

a walking land;

the rotary base is rotatably arranged on the walking floor;

lifting device, it sets up on the gyration base includes:

the lower part of the underframe is hinged with one side of the swivel base;

the mast lifting mechanism is arranged on the underframe in parallel and comprises a plurality of mast lifting frames, wherein: a workbench is arranged on the first mast lifting frame deviating from the underframe;

one end of the hydraulic cylinder is hinged with the rotary base, and the other end of the hydraulic cylinder is hinged with the middle part of the underframe;

the hydraulic cylinder and the mast lifting mechanism are respectively arranged at two sides of the underframe.

Further, the method further comprises the following steps:

the winch is arranged at the top end of the first mast lifting frame;

the workbench is connected with the first mast lifting frame in an up-down sliding manner, and the upper end of the workbench is connected with the winch.

Further, a limiting piece is arranged on the swivel base and used for preventing the underframe from rotating beyond the vertical position.

Further, a travel switch is arranged on the limiting piece, a probe is arranged on the underframe, and when the underframe rotates to a vertical position, the probe touches the travel switch.

Further, a bracket is further arranged on the rotating base, and the bracket is positioned on the other side of the rotating base.

Further, the lower end of the underframe is provided with a ground supporting oil cylinder, the cylinder body of the ground supporting oil cylinder is fixed on the underframe, and the telescopic rod of the ground supporting oil cylinder extends downwards along the axis of the telescopic rod.

Further, a ground supporting pressing plate is fixedly arranged at the end part of the telescopic rod of the ground supporting oil cylinder.

Further, the walking ground plate is a crawler walking mechanism.

The utility model at least comprises the following beneficial effects:

1. the lifting device comprises a bottom frame and a mast lifting mechanism arranged on the bottom frame in parallel, and the requirement of a higher working height of a workbench can be met by rotating the bottom frame to be in a vertical state and stretching the mast lifting mechanism. The middle lower part of the underframe is hinged with the rotary base, on one hand, the underframe can be put flat during the running of the lifter, and the height of the lifter is reduced, so that the lifter runs stably, the safety is good, the influence of obstacles during the running is reduced, and the trafficability is good; during construction operation, the underframe can be vertical, the horizontal span of the workbench and the walking floor can be greatly reduced while the operation height is met, so that the lifter does not topple over, and the safety is good.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a schematic view of a driving state structure according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of an operating state of an embodiment of the present utility model.

Fig. 3 is a top view of a swivel base in accordance with one embodiment of the utility model.

FIG. 4 is a schematic diagram of a folding mast lift platform in the prior art.

Fig. 1, 2 and 3: 1. a walking land; 2. a swivel base; 21. a limiting piece; 211. a travel switch; 22. a bracket; 23. a hinged support; 3. a lifting device; 31. a chassis; 312. a ground supporting oil cylinder; 3121. a ground supporting pressing plate; 32. a mast lifting mechanism; 321. a first mast crane; 4. a hydraulic cylinder; 5. a work table; 6. a hoist; 61. a wire rope; 62. and (3) a pulley.

Detailed Description

The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.

It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are all conventional methods, and the reagents and materials, unless otherwise specified, are all commercially available; in the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The terms "transverse," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for convenience in describing and simplifying the description of the present utility model based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present utility model.

As shown in fig. 1, the present utility model provides a vertical lift comprising:

a walking floor 1 for a motorized carrying elevator.

And the rotating base 2 is rotatably arranged on the walking floor 1.

A lifting device 3 provided on the swivel base 2, including:

the lower part of the underframe 31 is hinged with one side of the revolving base 2, the underframe 31 comprises two hack levers, two hinged supports 23 are arranged above the revolving base 2, the two hack levers of the underframe 31 are respectively hinged with the revolving base 2 through the two hinged supports 2 and rotate around the hinged supports 23, on one hand, the underframe 31 can be put flat during the running of the elevator, the height of the elevator is reduced, the running of the elevator is stable, the safety is good, the influence of obstacles during the running is also reduced, and the trafficability is good; during construction operation, the underframe 31 can be vertical, the horizontal span of the workbench 33 and the walking floor 1 can be greatly reduced while the operation height is met, so that the lifter does not topple over, and the safety is good;

the mast lifting mechanism 32 is disposed in parallel on the underframe 31, and includes a plurality of mast lifting frames, which are 3 in this embodiment, and can be 2, 4, etc. in other embodiments according to the lifting height requirement of the workbench 5, where: the first mast lift 321 facing away from the underframe 31 is provided with a working table 5, and the working table 5 can be lifted by lifting the mast lift 32, which is a prior art, so in this embodiment, the working mode and specific structure thereof will not be described.

And one end of the hydraulic cylinder 4 is hinged with the slewing base 2, the other end of the hydraulic cylinder is hinged with the middle part of the underframe 31, the hydraulic cylinder 4 is used for pushing the underframe 31 to rotate around the hinged support 23 so as to lift the mast lifting mechanism 32 and the workbench 5, and the hydraulic cylinder 4 and the mast lifting mechanism 32 are respectively arranged on two sides of the underframe 31.

The application method of the utility model is as follows:

the vertical lift is driven to the vicinity of a higher building, the swivel base 2 is rotated to be perpendicular to the traveling floor 1, the table 5 faces the building as shown in fig. 2, the hydraulic cylinder 4 is extended to make the underframe 31 vertical, and then the mast lift mechanism 32 is extended to lift the table 5 to a predetermined height.

In summary, according to the device provided by the utility model, the lifting device 3 comprises the underframe 31 and the mast lifting mechanism 32 arranged on the underframe 31 in parallel, and the requirement of higher working height of the workbench 5 can be met by rotating the underframe 31 to vertically extend the mast lifting mechanism 32. The underframe 31 can rotate around the hinged support 23, on one hand, the underframe 31 is put flat during the running of the elevator, and the height of the elevator is reduced, so that the elevator runs stably, the safety is good, the influence of obstacles during the running is also reduced, and the trafficability is good; during construction operation, the underframe 31 can be vertical, the horizontal span of the workbench 5 and the walking floor 1 can be greatly reduced while the operation height is met, so that the lifter does not topple over, and the safety is good.

Preferably, the method further comprises:

a hoist 6 provided at the top end of the first mast 321;

the first mast lifting frame 321 is provided with a guide rail along the up-down direction, the workbench 33 is connected with the first mast lifting frame 321 in an up-down sliding manner through the guide rail, the winch 6 is connected with the upper end of the workbench 5 through a steel rope 61 and a pulley 62, and thus, after the mast lifting mechanism is stretched in place, the workbench 5 can also slide up and down on the first mast lifting frame 321 through the controller 5.

As a preferred solution, the swivel base 2 is provided with a limiting member 21, which is used for preventing the chassis 31 from rotating beyond the vertical position, as shown in fig. 3, two hack levers of the chassis 31 are located inside the two hinged supports 23, the corresponding positions of the inner sides of the hinged supports 23 and the hack levers of the swivel base 2 are provided with grooves, so that the limiting member 21 is formed, and when the chassis 31 rotates around the hinged supports 23 to the vertical position, the hack levers of the chassis 31 enter the grooves and collide with the bottoms of the grooves, so as to prevent the chassis 31 from rotating further. Further, a travel switch 211 is arranged at the bottom of the groove of the limiting piece 21, a probe 311 is arranged on the side wall of the rack rod of the bottom frame 31, and when the bottom frame 31 rotates to the vertical position, the probe 311 touches the travel switch 211, and the hydraulic cylinder 4 is automatically controlled to stop stretching movement.

Preferably, two brackets 22 are further provided on the swivel base 2, and the brackets are located on the other side of the swivel base 2, and when the underframe 31 is rotated and laid, the brackets 22 can support the hack lever of the underframe 31 from below.

As a preferred solution, the lower end of the frame rod of the chassis 31 is provided with a ground supporting cylinder 312, a cylinder body of the ground supporting cylinder 312 is fixed on the chassis 31, and a telescopic rod of the ground supporting cylinder 312 extends downwards along the axis of the telescopic rod. Further, the end of the telescopic rod of the ground supporting cylinder 312 is fixedly provided with a ground supporting plate 3121, which enlarges the contact area between the telescopic rod and the ground, and has small pressure to the ground.

As a preferable scheme, the walking floor 1 is a crawler walking mechanism, the contact area of the lifter and the ground is large, the ground pressure intensity is small, and the requirements on the construction site are small; the crawler belt is stable in transmission and high in controllability, and can be suitable for various complex field road conditions; the crawler belt travelling mechanism is relatively stable, and the safety is further improved when the lifter works.

While the utility model has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (8)

1. Vertical lift, characterized by comprising:

a walking floor (1);

a swivel base (2) rotatably provided on the walking floor (1);

lifting device (3), it sets up on the gyration base (2), include:

a bottom frame (31), wherein the lower part of the bottom frame is hinged with one side of the swivel base (2);

mast lifting mechanism (32) arranged in parallel on said undercarriage (31), comprising a plurality of mast lifting frames, wherein: a workbench (5) is arranged on a first mast lifting frame (321) deviating from the underframe (31);

one end of the hydraulic cylinder (4) is hinged with the rotary base (2), and the other end of the hydraulic cylinder is hinged with the middle part of the underframe (31);

the hydraulic cylinder (4) and the mast lifting mechanism (32) are respectively arranged at two sides of the underframe (31).

2. The vertical lift of claim 1, further comprising:

a hoist (6) provided at the tip of the first mast crane (321);

the workbench (5) is connected with the first mast lifting frame (321) in an up-down sliding mode, and the upper end of the workbench (5) is connected with the winch (6).

3. The vertical lift according to claim 1, characterized in that the swivel base (2) is provided with a stop (21) for preventing the chassis (31) from rotating beyond a vertical position.

4. A vertical lift according to claim 3, characterized in that the limit piece (21) is provided with a travel switch (211), the chassis (31) is provided with a probe (311), and when the chassis (31) rotates to the vertical position, the probe (311) touches the travel switch (211).

5. The vertical lift according to claim 1, characterized in that the swivel base (2) is further provided with a bracket (22), which bracket (22) is located on the other side of the swivel base (2).

6. The vertical lift according to claim 1, characterized in that a ground supporting cylinder (312) is provided at the lower end of the chassis (31), a cylinder body of the ground supporting cylinder (312) is fixed to the chassis (31), and a telescopic rod of the ground supporting cylinder (312) extends downward along an axis thereof.

7. The vertical lift according to claim 6, characterized in that the telescopic rod end of the ground supporting cylinder (312) is fixedly provided with a ground supporting pressure plate (3121).

8. The vertical lift according to claim 1, characterized in that the travelling floor (1) is a crawler travelling mechanism.