CN212425295U

CN212425295U - Ultralow hydraulic pressure lift platform

Info

Publication number: CN212425295U
Application number: CN202021235056.2U
Authority: CN
Inventors: 李志华
Original assignee: Yichang Huasai Industry And Trade Co ltd
Current assignee: Yichang Huasai Industry And Trade Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-01-29
Anticipated expiration: 2030-06-24

Abstract

The utility model provides an ultra-low hydraulic lifting platform, in particular to the field of hydraulic lifting platform equipment, which comprises a lifting platform, a lifting seat arranged below the lifting platform, a lifting wheel and a lifting device, wherein the lifting device is arranged around the lifting seat, the lifting wheel is arranged at the bottom of the lifting device, the lifting device drives the lifting wheel to extend out of and retract into the bottom of the lifting seat, and the lifting wheel is extended out of the lifting seat through the lifting device when the hydraulic lifting platform is carried; the lifting device is divided into a plurality of hydraulic oil chambers, and the lifting wheels under the lifting seat are jacked up through hydraulic pressure; the hydraulic lifting platform can be easily moved, the operation is simple and convenient, and the safety of carrying the hydraulic lifting platform is also improved.

Description

Ultralow hydraulic pressure lift platform

Technical Field

The utility model relates to a hydraulic pressure lift platform equipment field especially relates to an ultralow hydraulic pressure lift platform.

Background

The ultralow hydraulic pressure lift platform often uses in the workplace of aircraft aerospace, commodity circulation, maintenance, final assembly, can be convenient with freight to the elevating platform on, go up and down to certain height, operate again, two platforms of weighing possess better bearing capacity respectively.

In the maintenance and repair process of large equipment, an ultralow hydraulic lifting platform can be used, because the lifting platform is made of metal and has parts such as cylinders, the weight of the whole lifting platform is heavier, the platform is not favorable to moving, the hydraulic lifting platform can be forcibly carried to be difficult, and potential safety hazards can be further existed in the carrying process when the hydraulic lifting platform is moved.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides an ultralow hydraulic lifting platform, it has solved the problem of ultralow hydraulic lifting platform transport difficulty among the prior art.

According to the embodiment of the utility model, the device comprises a lifting platform and a lifting seat arranged below the lifting platform; the lifting platform comprises a lifting seat, and is characterized in that an inclined plate is further arranged on the side edge of the lifting platform, a lifting fork and a cylinder supporting the lifting fork are arranged on the lifting seat, the lifting fork is opened and closed under the motion of the cylinder and drives the lifting platform to move up and down, the lifting platform further comprises a lifting wheel and a lifting device, the lifting device is arranged around the lifting seat, the lifting wheel is arranged at the bottom of the lifting device, and the lifting device drives the lifting wheel to stretch out and retract into the bottom of the lifting seat.

Contrast prior art, the utility model discloses following beneficial effect has: the lifting wheels capable of extending out and retracting are arranged around the lifting seat, the lifting wheels extend out through the lifting device when the hydraulic lifting platform is carried, the hydraulic lifting platform can be easily moved, the operation is simple and convenient, and the safety of carrying the hydraulic lifting platform is also improved.

Drawings

Fig. 1 is a three-dimensional view of an ultra-low hydraulic lifting platform according to an embodiment of the present invention;

FIG. 2 is a sectional view of a lifting device according to an embodiment of the present invention;

in the above drawings: 1. a lifting platform; 11. a sloping plate; 2. a lifting seat; 21 a lifting fork; 22. a cylinder; 23. a connecting shaft; 3. a lifting wheel; 31. a first piston; 4. a lifting device; 41. a first chamber; 42. a second chamber; 43. a third chamber; 44. a water passage; 45. a piston bore; 46. a first check valve; 47. a second one-way valve; 48. a valve; 49. a small hole; 51. a second piston; 52. briquetting; 53. a spring; 54. connecting columns.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in figure 1, the embodiment of the utility model provides an ultra-low hydraulic lifting platform, which comprises a lifting platform 1 and a lifting seat 2 arranged below the lifting platform, wherein the side edge of the lifting platform 1 is also provided with a sloping plate 11, the lifting seat 2 is provided with a lifting fork 21 and a cylinder 22 supporting the lifting fork 21, the lifting fork 21 is opened and closed under the movement of the cylinder 22 and drives the lifting platform 1 to move up and down, the ultra-low hydraulic lifting platform also comprises a lifting wheel 3 and a lifting device 4, the lifting device 4 is arranged around the lifting seat 2, the lifting wheel 3 is arranged at the bottom of the lifting device 4, in order to facilitate the maintenance of the equipment on the lifting platform 1, the lifting platform 1 and the lifting seat 2 are respectively provided with two seats, the lifting wheels 3 are arranged side by side and connected through a connecting shaft 23, the connecting shaft 23 can synchronously open and close the two lifting forks 21 to further control the lifting of the lifting platform 1, and the lifting device 4 drives the lifting wheels 3 to extend out of and retract into the bottom of the lifting seat 2; the lifting wheels 3 capable of extending out and retracting back are arranged around the lifting seat 2, when the ultra-low hydraulic lifting platform is conveyed, the lifting wheels 3 extend out through the lifting device 4, the ultra-low hydraulic lifting platform can be easily moved, the operation is simple and convenient, and the safety of conveying the ultra-low hydraulic lifting platform is also improved; the specific structure of the lifting device 4 is as follows: as shown in fig. 2, the lifting device 4 includes a first chamber 41, a second chamber 42 and a third chamber 43, hydraulic oil is filled in the chambers, the lifting wheel 3 is connected with a first piston 31, the first piston 31 extends into the third chamber 43, a piston hole 45 is arranged on the wall of the second chamber 42, a second piston 51 is arranged in the piston hole 45, a small hole 49 is arranged at the top of the first chamber 41, the small hole 49 is used for ventilation during lifting and can also be used for injection of hydraulic oil, a blocking piece can be arranged on the small hole 49 if necessary, and oil leakage of the hydraulic lifting platform during movement is prevented; a first check valve 46 is connected between the first chamber 41 and the second chamber 42, the first check valve 46 is in the direction from the first chamber 41 to the second chamber 42, a second check valve 47 is connected between the second chamber 42 and the third chamber 43, the second check valve 47 is in the direction from the second chamber 42 to the third chamber 43, the first chamber 41 is communicated with the third chamber 43 through a water passage 44, a valve 48 is arranged on the water passage 44, the volume of the second chamber 42 is changed by drawing and pulling a second piston 51 of the second chamber 42, the hydraulic oil in the first chamber 41 enters the second chamber 42 through the first check valve 46 and the second check valve 47, the hydraulic oil in the second chamber 42 enters the third chamber 43, the volume of the third chamber 43 is increased, so that the first piston 31 penetrating into the third chamber 43 can be jacked up and drive the lifting wheel 3 to extend out of the lifting seat 2, and after the lifting wheel 3 extends out, the ultra-low hydraulic lifting platform can be moved, after the movement is finished, the valve 48 is opened, the hydraulic oil in the third chamber 43 returns to the first chamber 41 through the water passage 44 under the action of the pressure transmitted to the lifting wheel 3, and the lifting wheel 3 is retracted into the lifting seat 2; namely, the movement of the ultra-low hydraulic lifting platform is completed.

Further, as shown in fig. 2, in order to perform pumping movement on the second piston 51 better, the second piston 51 is connected with a pressing block 52, the pressing block 52 is located outside the second chamber 42, and an operator can press and pull the pressing block 52, that is, the second piston 51 can move back and forth, so that the pumping movement is simpler and more convenient.

Further, as shown in fig. 2, after the second piston 51 is pressed, since the pressure of the second chamber 42 is the same as the external pressure, the pressing block 52 does not return automatically, and in order to return the pressing block 52 quickly and reduce the operation strength, a spring 53 is connected between the pressing block 52 and the lifting base 2, and after the pressing block 52 is pressed, the pressing block 52 can also return automatically.

Further, as shown in fig. 2, the pressing block 52 is hinged to the connecting column 54, the connecting column 54 is hinged to the lifting seat 2, the pressing block 52 forms a lever structure due to the arrangement, the pressing block 52 can be arranged to be in a slightly long rod shape, an operator can press the pressing block 52 quickly and conveniently, and the arrangement enables the pressing block 52 to be pressed more conveniently and saves labor.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides an ultralow hydraulic lifting platform, includes elevating platform (1) and locates elevating platform below lift seat (2), its characterized in that: elevating platform (1) side still is equipped with swash plate (11), be equipped with on elevating platform (2) and support lift fork (21) cylinder (22) of lift fork (21), lift fork (21) diverge and fold and drive under the motion of cylinder (22) elevating platform (1) reciprocates, still includes lifting wheel (3) and elevating gear (4), elevating gear (4) set up in around elevating platform (2), lifting wheel (3) are located elevating gear (4) bottom, elevating gear (4) drive lifting wheel (3) are stretched out and are retracted elevating platform (2) bottom.

2. An ultra-low hydraulic lift platform as recited in claim 1 wherein: the lifting device (4) comprises a first chamber (41), a second chamber (42) and a third chamber (43), a first piston (31) is connected to the lifting wheel (3), the first piston (31) extends into the third chamber (43), a piston hole (45) is formed in the wall of the second chamber (42), a second piston (51) is arranged in the piston hole (45), a small hole (49) is formed in the top of the first chamber (41), a first check valve (46) is connected between the first chamber (41) and the second chamber (42), the first check valve (46) is oriented from the first chamber (41) to the second chamber (42), a second check valve (47) is connected between the second chamber (42) and the third chamber (43), and the second check valve (47) is oriented from the second chamber (42) to the third chamber (43), the first chamber (41) is communicated with the third chamber (43) through a water passage (44), and a valve (48) is arranged on the water passage (44).

3. An ultra-low hydraulic lift platform as recited in claim 2 wherein: a pressure block (52) is connected to the second piston (51), and the pressure block (52) is located outside the second chamber (42).

4. An ultra-low hydraulic lift platform as recited in claim 3 wherein: a spring (53) is connected between the pressing block (52) and the lifting seat (2).

5. An ultra-low hydraulic lift platform as recited in claim 4 wherein: the pressing block (52) is hinged to a connecting column (54), and the connecting column (54) is hinged to the lifting seat (2).