CN212832703U

CN212832703U - Lifting equipment

Info

Publication number: CN212832703U
Application number: CN202021821378.5U
Authority: CN
Inventors: 谭伟程
Original assignee: TAICANG GOLDEN ELEVATOR CO Ltd
Current assignee: TAICANG GOLDEN ELEVATOR CO Ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-03-30
Anticipated expiration: 2030-08-27

Abstract

The utility model provides a lifting device, including chassis, hydraulic tank, flexible hydro-cylinder, drive arrangement and operation platform, operation platform includes loading board, side lever, horizontal pole, and the plane at loading board place is on a parallel with the horizontal plane, and the projection of loading board on the horizontal plane is the square, and the side lever sets up on four angles of loading board, through making side lever and the lateral wall of loading board rotationally connect, makes the axis of rotation axis lead of side lever be on a parallel with the horizontal plane, at the access & exit, can reduce lifting device's overall height through rotatory side lever; the horizontal pole includes first horizontal pole, second horizontal pole and adapter sleeve, through making first horizontal pole the second horizontal pole rotationally sets up on the side lever, make the adapter sleeve with first horizontal pole and/or second horizontal pole detachably connects, can conveniently make up first horizontal pole and second horizontal pole through the adapter sleeve, realizes the protection all around to the loading board, simple structure, convenient to use.

Description

Lifting equipment

Technical Field

The utility model relates to a lifting device.

Background

The lifting equipment is widely applied to high-altitude operation, the height of the lifting space in the areas such as markets, hotel halls and the like is higher and higher along with the development of the building level, indoor lifting equipment is needed for installation and maintenance of the areas, but the lifting equipment has certain difficulty in getting in and out due to the lower height of the entrances and exits of the areas; the operation platform on the existing lifting equipment mostly adopts the fixed handrail frame, and the total height of the lifting equipment can be further increased due to the existence of the handrail frame, so that the lifting equipment is more difficult to pass in and out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcoming of prior art, provide a total height is lower jacking equipment.

In order to achieve the above object, the present invention provides a lifting device, including:

the chassis is supported on the front wheels and the rear wheels and can move under the driving of the front wheels and the rear wheels;

the hydraulic oil tank is arranged at the upper part of the chassis and is in a frustum pyramid shape with a small upper part and a big lower part;

the telescopic oil cylinder is arranged on the chassis, and an internal cavity of the telescopic oil cylinder is communicated with the hydraulic oil tank;

the driving device is used for driving the telescopic oil cylinder to stretch and retract;

the operation platform is arranged at the top of the telescopic oil cylinder and can be driven by the telescopic oil cylinder to lift;

the operation platform comprises a bearing plate, four side rods and a cross rod, wherein the plane of the bearing plate is parallel to the horizontal plane, the projection of the bearing plate on the horizontal plane is square, the four side rods are respectively arranged on four corners of the bearing plate, the side rods are rotatably connected with the side walls of the bearing plate, the rotating axis of each side rod is parallel to the horizontal plane, the cross rod is used for connecting the adjacent side rods and protecting the side surface of the bearing plate, the cross rod is parallel to the horizontal plane and is vertical to the side rods, the cross rod comprises a first cross rod, a second cross rod and a connecting sleeve, the first cross rod and the second cross rod are rotatably arranged on the side rods, the rotating axis of the first cross rod and the rotating axis of the second cross rod are vertical to the horizontal plane, and the connecting sleeve is used for connecting the first cross rod and the second cross rod, the connecting sleeve is detachably connected with the first cross rod and/or the second cross rod.

Preferably, the left end of the connecting sleeve is rotatably and slidably connected with the first cross rod, the axis of rotation of the connecting sleeve coincides with the axis of the first cross rod, and the sliding direction of the connecting sleeve is parallel to the extending direction of the first cross rod.

Further preferably, an annular flange and a connecting rod are arranged in the connecting sleeve, the connecting rod axially slidably penetrates through the through hole in the middle of the annular flange, one end of the connecting rod is connected to the first cross rod, the other end of the connecting rod is provided with a cylindrical limiting portion, the limiting portion and the first cross rod are respectively located on two sides of the annular flange, and the diameter of the limiting portion is larger than the inner diameter of the through hole.

Preferably, the right end of the connecting sleeve is in threaded connection with the second cross rod.

Further preferably, an internal thread is arranged in the connecting sleeve, and an external thread matched with the internal thread is arranged at the end part of the second cross rod.

Preferably, the rotation angle of the first cross bar and the second cross bar is 360 °.

Preferably, the side lever is turned through an angle of 180 °.

Preferably, the work platform further comprises a bottom protection frame, the bottom protection frame is formed by welding steel pipes, and two side parts of the bottom protection frame are detachably connected to the side rods.

Preferably, drive arrangement includes the oil pump and is used for the drive the motor of oil pump, the oil pump is used for with hydraulic oil pump in the hydraulic tank is in the internal cavity in the telescopic oil jar.

Further preferably, the front wheels are universal wheels, and the rear wheels are directional wheels.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

Drawings

Fig. 1 is a schematic front view of the preferred embodiment of the present invention, and at this time, the telescopic cylinder is in a contracted state.

Fig. 2 is a schematic front view of the preferred embodiment of the present invention, and at this time, the telescopic cylinder is in an extended state.

FIG. 3 is a left side view of FIG. 1 with the sidebar in an overhanging condition.

Fig. 4 is a schematic front view of the work platform of fig. 1 in normal use.

Fig. 5 is a schematic left side view of fig. 4.

Fig. 6 is a schematic view of fig. 4 with the connecting sleeve hidden.

Fig. 7 is a partially enlarged schematic view at a in fig. 6.

Fig. 8 is an enlarged schematic longitudinal sectional view of the connection sleeve of fig. 4.

Wherein: 10. a chassis; 11. a front wheel; 12. a rear wheel; 20. a hydraulic oil tank; 30. a telescopic oil cylinder; 41. a motor; 42. a control box; 50. an operation platform; 51. a carrier plate; 52. a side lever; 53. a cross bar; 531. a first cross bar; 532. a second cross bar; 5321. an external thread; 533. connecting sleeves; 5331. an annular flange; 5332. a connecting rod; 5333. a through hole; 5334. a limiting part; 5335. an internal thread; 54. a bottom protective frame; 541. buckling; 60. and (5) hanging a ladder.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make clear and definite definitions of the protection scope of the present invention.

The utility model discloses the up-and-down direction of well description is the up-and-down direction in figure 1, the left-and-right direction of well description is the left-and-right direction in figure 1, the fore-and-aft direction of well description is the left-and-right direction in figure 3.

As shown in fig. 1-7, the utility model provides a lifting device, include: the hydraulic lifting device comprises a chassis 10, a hydraulic oil tank 20, a telescopic oil cylinder 30, a driving device and an operation platform 50, wherein the front part of the bottom of the chassis 10 is provided with front wheels 11, the rear part of the bottom of the chassis 10 is provided with rear wheels 12, the chassis 10 is supported on the front wheels 11 and the rear wheels 12, and the chassis 10 can move under the driving of the front wheels 11 and the rear wheels 12; the hydraulic oil tank 20 is arranged at the upper part of the chassis 10, and in order to lower the gravity center of the lifting equipment and improve the stability of the lifting equipment, the hydraulic oil tank 20 is in a frustum pyramid shape with a small upper part and a big lower part; the telescopic oil cylinder 30 is arranged on the chassis 10, and the inner cavity of the telescopic oil cylinder 30 is communicated with the hydraulic oil tank 20; the driving device is used for driving the telescopic oil cylinder 30 to stretch and retract; the operation platform 50 is arranged on the top of the telescopic oil cylinder 30, the operation platform 50 can be driven by the telescopic oil cylinder 30 to lift, the operation platform 50 comprises a bearing plate 51, side rods 52 and cross rods 53, the plane of the bearing plate 51 is parallel to the horizontal plane, the bearing plate 51 is used for bearing articles or people, the projection of the bearing plate 51 on the horizontal plane is square, the number of the side rods 52 is four, the four side rods 52 are respectively arranged on four corners of the bearing plate 51, the side rods 52 are rotatably connected with the side walls of the bearing plate 51, the rotation axis of the side rods 52 is parallel to the horizontal plane, the cross rods 53 are used for connecting the adjacent side rods 52 and protecting the side surfaces of the bearing plate 51, the cross rods 53 are parallel to the horizontal plane and perpendicular to the side rods 52, each cross rod 53 comprises a first cross rod 531, a second cross rod 532 and a connecting sleeve 533, the first cross rod 531, The rotation axis of the second crossbar 532 is perpendicular to the horizontal plane, the connecting sleeve 533 is used for connecting the first crossbar 531 and the second crossbar 532, and the connecting sleeve 533 is detachably connected with the second crossbar 532.

In this embodiment, the left end of the connecting sleeve 533 is rotatably and slidably connected to the first cross bar 531, the rotating axis of the connecting sleeve 533 coincides with the axis of the first cross bar 531, the sliding direction of the connecting sleeve 533 is parallel to the extending direction of the first cross bar 531, the right end of the connecting sleeve 533 is in threaded connection with the second cross bar 532, as shown in fig. 8, the connecting sleeve 533 is a hollow sleeve, an annular flange 5331, a connecting rod 5332 and an internal thread 5335 are sequentially disposed inside the connecting sleeve 533 from left to right, a through hole 5333 is formed in the middle of the annular flange 5331, the connecting rod 5332 is axially slidably inserted into the through hole 5333, the left end of the connecting rod 5332 is connected to the right end of the first cross bar 531, a cylindrical limiting portion 5334 is disposed on the connecting rod 5332, the limiting portion 5334 and the first cross bar 531 are respectively located on two sides of the annular flange 5331, the diameter of the limiting portion 5334 is greater than the inner diameter of the through hole 5333, an end of, when the second crossbar 532 is aligned with the first crossbar 531, the external thread 5321 can be screwed into the internal thread 5335 by rotating the connecting sleeve 533, so that the second crossbar 532 is connected with the first crossbar 531, thereby protecting the side surface of the bearing plate 51.

In this embodiment, the rotation angles of the first and

second crossbars

531 and 532 are 360 °, and the rotation angle of the side bar 52 is 180 °.

In this embodiment, as shown in fig. 4, the work platform 50 further includes a bottom protection frame 54, the bottom protection frame 54 is formed by welding steel pipes, and both sides of the bottom protection frame 54 are detachably connected to the side bars 52 by fasteners 541.

In this embodiment, the driving device includes an oil pump, a motor 41 for driving the oil pump, and a control box 42, the oil pump is used for pumping the hydraulic oil in the hydraulic oil tank 20 into the internal cavity of the telescopic oil cylinder 30, and a control device for controlling the motor is arranged inside the control box 42.

In this embodiment, there is one front wheel 11, the front wheel 11 is a universal wheel, there are two rear wheels 12, and the rear wheels 12 are directional wheels.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A lifting device, comprising:

the method is characterized in that:

2. The lifting apparatus of claim 1, wherein: the left end part of the connecting sleeve is rotatably and slidably connected with the first cross rod, the rotating axis of the connecting sleeve is overlapped with the axis of the first cross rod, and the sliding direction of the connecting sleeve is parallel to the extending direction of the first cross rod.

3. The lifting apparatus of claim 2, wherein: the connecting sleeve is internally provided with an annular flange and a connecting rod, the connecting rod can axially and slidably penetrate through the through hole in the middle of the annular flange, one end of the connecting rod is connected onto the first cross rod, the other end of the connecting rod is provided with a cylindrical limiting part, the limiting part and the first cross rod are respectively positioned on two sides of the annular flange, and the diameter of the limiting part is larger than the inner diameter of the through hole.

4. The lifting apparatus of claim 1, wherein: the right end part of the connecting sleeve is in threaded connection with the second cross rod.

5. The lifting device according to claim 4, characterized in that: an internal thread is arranged in the connecting sleeve, and an external thread matched with the internal thread is arranged at the end part of the second cross rod.

6. The lifting apparatus of claim 1, wherein: the rotation angle of the first cross rod and the second cross rod is 360 degrees.

7. The lifting apparatus of claim 1, wherein: the rotation angle of the side rod is 180 degrees.

8. The lifting apparatus of claim 1, wherein: the operation platform further comprises a bottom protection frame, the bottom protection frame is formed by welding steel pipes, and two side portions of the bottom protection frame are detachably connected to the side rods.

9. The lifting apparatus of claim 1, wherein: the driving device comprises an oil pump and a motor used for driving the oil pump, and the oil pump is used for pumping hydraulic oil in the hydraulic oil tank into an inner cavity in the telescopic oil cylinder.

10. A lifting device according to any one of claims 1-9, characterized in that: the front wheels are universal wheels, and the rear wheels are directional wheels.