CN210620169U

CN210620169U - Anti-falling hydraulic lifting platform

Info

Publication number: CN210620169U
Application number: CN201920978229.0U
Authority: CN
Inventors: 崔奎岭; 张振远; 张振博
Original assignee: Henan Yuandong Lifting Equipment Co ltd
Current assignee: Henan Yuandong Lifting Equipment Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-26
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a prevent weighing down formula hydraulic lifting platform, the on-line screen storage device comprises a base, the central point of base upper surface puts and is equipped with the hydraulic pump, the right-hand member of hydraulic pump is equipped with the hydraulic pressure case, the both sides of base upper surface all are equipped with the cylinder body, there is the cylinder cap upper end of cylinder body through threaded connection, the lower extreme of cylinder body all is equipped with the opening, the outside that the cylinder body corresponds the opening position all is equipped with the barrel, the support cover welding that the barrel periphery was equipped with is on the surface of cylinder body, the barrel all nestedly in the support cover, the other end that the opening was kept away from to the barrel all is through hydraulic pressure pipe and hydraulic pump connection, the upper end of cylinder body is equipped with lifting platform, the both sides of lifting platform's lower surface all are connected with the lifter through lock nut, the other end that lifting platform was kept away from.

Description

Anti-falling hydraulic lifting platform

Technical Field

The utility model relates to a prevent hydraulic pressure platform technical field that falls specifically is a prevent weighing down formula hydraulic lifting platform.

Background

Hydraulic lifting platform is the jacking equipment commonly used, and mainly used aerial work needs, adopts the cylinder body to go up and down to the lifter usually, realizes altitude mixture control, and the cylinder body is usually through hydraulic pressure pipe and hydraulic pump connection, and in case the hydraulic pressure pipe takes place abnormal conditions such as bursting, hydraulic lifting platform can descend rapidly, causes the threat to staff's safety, and the hydraulic lifting platform that falls that has now, the structure is complicated, and factor of safety is low, operates inconveniently.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a prevent weighing down formula hydraulic lifting platform, prevent that hydraulic lifting platform from falling, simple structure, factor of safety is high, and convenient operation can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-falling hydraulic lifting platform comprises a base, wherein a hydraulic pump is arranged at the central position of the upper surface of the base, a hydraulic tank is arranged at the right end of the hydraulic pump, cylinder bodies are arranged on two sides of the upper surface of the base, the upper ends of the cylinder bodies are connected with a cylinder cover through threads, circulation holes are formed in the lower ends of the cylinder bodies, cylinder bodies are arranged on the outer sides of the cylinder bodies corresponding to the positions of the circulation holes, a support sleeve arranged on the periphery of each cylinder body is welded on the outer surface of each cylinder body, the cylinder bodies are nested in the support sleeves, the other ends of the cylinder bodies, far away from the circulation holes, are connected with the hydraulic pump through hydraulic pipes, the hydraulic pump is connected with the hydraulic tank through the hydraulic pipes, a first switch is arranged at the upper end of the hydraulic pump, the hydraulic pump is electrically connected with the output end of the first switch through, the other end of the lifting rod, far away from the lifting platform, penetrates through the cylinder cover and is in threaded connection with the piston, the lifting rod is nested inside the cylinder body, and the lifting rod is in sliding sleeve connection with the cylinder cover.

As a preferred technical proposal of the utility model, the left and right sides of the upper surface of the base are welded with the supporting frames, the central position of the left and right outer sides of the base is connected with a first gear through a rotating shaft, the lower surface of the first gear is welded with a rotating disc, the periphery of the rotating disc is evenly provided with four baffles, the baffles are connected on the periphery of the rotating disc through movable connecting pieces, the right side of each baffle is connected on the rotating disc through a reset spring column, the left end of each baffle on the rotating disc is welded with a limit block, a fixed disc arranged on the periphery of the rotating disc is welded on the outer surface of the base, and four electric telescopic columns are welded on the inner surface of the fixed disc evenly, the right end of the first switch is provided with a second switch, the electric telescopic columns are electrically connected with the output end of the second switch through wires, the input end of the second switch is electrically connected with the output, the first gear and the second gear are connected through a belt, connecting blocks are welded on the left side and the right side of the lifting platform, and one side of the belt is connected with the connecting blocks in a penetrating and winding mode.

As a preferred technical scheme of the utility model, the inside upper and lower both sides of barrel all are equipped with the slide, all are equipped with the sliding block on the slide, and electric telescopic handle threaded connection is on the sliding block, and electric telescopic handle keeps away from the one end of sliding block and all welds and seal, and the right-hand member of slide is equipped with the spacing ring, and electric telescopic handle passes through the wire and is connected with the output electricity of switch two, and the input of switch two is connected with the output electricity of power through external circuit.

Compared with the prior art, the beneficial effects of the utility model are that: the upper surface of the base of the anti-falling hydraulic lifting platform is provided with a support frame, the left side surface and the right side surface of the base are provided with a first gear, a second gear arranged at the upper end of the first gear is connected to the support frame through a rotating shaft, the first gear is connected with a second gear through a belt, one side of the belt is connected with a connecting block welded on the hydraulic lifting platform in a penetrating and winding way, the hydraulic lifting platform moves up and down to drive the first gear and the second gear to rotate, the gear drives a rotating disc to rotate, when the hydraulic lifting platform suddenly falls in an accident, a limit block and an electric telescopic column can be blocked to stop the first gear from rotating, the hydraulic lifting platform also stops moving, when a hydraulic pipe bursts, a seal is blocked by hydraulic oil to block a limit ring, the hydraulic lifting platform can also be prevented from falling, two measures for preventing the hydraulic lifting platform from falling are adopted, the, can prevent that hydraulic pressure lift platform from falling, simple structure, factor of safety is high, convenient operation.

Drawings

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

FIG. 2 is a right side view of the structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the structural cylinder of the present invention;

FIG. 4 is a schematic view of the connection between the first gear and the second gear of the present invention;

FIG. 5 is a schematic view of the stopper connection of the present invention;

in the figure: the device comprises a base 1, a cylinder 2, a hydraulic pump 3, a hydraulic pipe 4, a support sleeve 5, a circulation hole 6, a piston 7, a lifting rod 8, a first switch 9, a cylinder 10, a cylinder cover 11, a limiting ring 12, a hydraulic box 13, a hydraulic lifting platform 14, a second gear 15, a second switch 16, a support frame 17, a connecting block 18, a first gear 19, an electric telescopic rod 20, a sliding block 21, a slideway 22, a rotating disc 23, a reset spring column 24, a stop dog 25, a belt 26, a limiting block 28, a limiting block 29, a fixed disc, an electric telescopic column 30, an electric telescopic column 31 and a seal 32.

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.

Referring to fig. 1-5, the present invention provides a technical solution: an anti-falling hydraulic lifting platform comprises a base 1, wherein support frames 17 are welded on the left side and the right side of the upper surface of the base 1, a first gear 19 is connected to the central position of the left outer side and the right outer side of the base 1 through rotating shafts, a rotating disc 23 is welded on the lower surface of the first gear 19, four baffles 25 are uniformly arranged on the periphery of the rotating disc 23, the baffles 25 are connected to the periphery of the rotating disc 23 through movable connecting pieces, the right side of each baffle 25 is connected to the rotating disc 23 through a reset spring column 24, a limiting block 28 is welded at the left end of each baffle 25 on the rotating disc 23, a fixed disc 29 arranged on the periphery of the rotating disc 23 is welded on the outer surface of the base 1, four electric telescopic columns 30 are uniformly welded on the inner surface of the fixed disc 29, a second switch 16 is arranged at the right end of a first switch 9, the electric telescopic columns 30 are electrically connected with the output end of, a second gear 15 arranged at the upper end of a first gear 19 is connected to a support frame 17 through a rotating shaft, the first gear 19 and the second gear 15 are connected through a belt 26, connecting blocks 18 are welded on the left side and the right side of a lifting platform 14, one side of the belt 26 is connected with the connecting blocks 18 in a penetrating manner, a hydraulic pump 3 is arranged at the central position of the upper surface of a base 1, a hydraulic tank 13 is arranged at the right end of the hydraulic pump 3, cylinder bodies 10 are arranged on the two sides of the upper surface of the base 1, the upper end of each cylinder body 10 is connected with a cylinder cover 11 through threads, circulation holes 6 are arranged at the lower end of each cylinder body 10, a cylinder body 2 is arranged on the outer side of the cylinder body 10 corresponding to the circulation holes 6, slide ways 22 are arranged on the upper side and the lower side of the inside of the cylinder body 2, sliding blocks 21 are arranged on the slide ways 22, two electric, the electric telescopic rod 31 is electrically connected with the output end of the switch II 16 through a wire, the input end of the switch II 16 is electrically connected with the output end of a power supply through an external circuit, a support sleeve 5 arranged on the periphery of the cylinder body 2 is welded on the outer surface of the cylinder body 10, the cylinder body 2 is nested in the support sleeve 5, the other end of the cylinder body 2, which is far away from the circulation hole 6, is connected with the hydraulic pump 3 through a hydraulic pipe 4, the hydraulic pump 3 is connected with a hydraulic tank 13 through the hydraulic pipe 4, a switch I9 is arranged at the upper end of the hydraulic pump 3, the hydraulic pump 3 is electrically connected with the output end of the switch I9 through a wire, the input end of the switch I9 is electrically connected with the output end of the power supply through an external circuit, a lifting platform 14 is arranged at the upper end of the cylinder body 10, lifting rods 8 are connected with, the lifting rods 8 are all nested inside the cylinder body 10, and the lifting rods 8 are in sliding sleeve joint with the cylinder cover 11.

When in use: opening the first switch 9, opening the second switch 16 after opening the first switch 9, extending the electric telescopic column 30 and the electric telescopic rod 31, closing the seal 32, conveying hydraulic oil into the barrel 2 through the hydraulic pipe 4 by the hydraulic pump 3, pushing the seal 32 to slide by the hydraulic oil, sliding the sliding block 21 to the limit position of the slide way 22, allowing the hydraulic oil to pass through the gap around the seal 32 and enter the cylinder body 10 through the circulation hole 6, so that the lifting rod 8 rises, the lifting rod 8 pushes the hydraulic lifting platform 14 to rise, the hydraulic lifting platform 14 drives the belt 26 to rotate counterclockwise, the belt 26 drives the first gear 19 and the second gear 15 to rotate, the second gear 15 drives the rotating disc 23 to rotate, when the hydraulic pipe 4 bursts, the hydraulic lifting platform 14 descends, the hydraulic oil pushes the seal 32 to slide to the position of the limit ring 12, the hydraulic oil in the cylinder body 10 stops flowing out, and the hydraulic lifting platform 14 stops descending, the in-process of hydraulic lifting platform 14 whereabouts drives belt 26 clockwise rotation, dog 25 and electronic flexible post 30 chucking under the support of stopper 28, make rolling disc 23 stall, gear 19 and gear two 15 also stall, belt 26 is static, belt 26 makes hydraulic lifting platform 14 static through connecting block 18, when normally descending, close switch two 16, electric telescopic handle 31 contracts, seal 32 and open, normal draining in the barrel 2, electronic flexible post 30 contracts, rolling disc 23 normally clockwise turning, hydraulic lifting platform 14 normally descends.

The utility model discloses, the upper surface of this prevent weighing down formula hydraulic lifting platform base is equipped with the support frame, the side surface is equipped with gear 19 about base 1, gear two 15 that the upper end of gear 19 was equipped with connects on support frame 17 through the pivot, connect through belt 26 between gear 19 and the gear 15 two, one side of belt 26 and welding are worn to wind and are connected at hydraulic lifting platform 14's connecting block 18, the reciprocating of hydraulic lifting platform 14 makes belt 26 drive gear 19 and gear two 15's rotation, gear 19 drives the rotation of rolling disc 23, when hydraulic lifting platform 14 takes place unexpected sudden drop, stopper 28 and electronic flexible post 30 can block up dog 25, make gear 19 stop rotating, hydraulic lifting platform 14 also can the stop motion, when hydraulic pipe 4 bursts, hydraulic oil makes seal 32 block up spacing ring 12, also can prevent hydraulic lifting platform 14 from falling, two kinds of hydraulic lifting platform 14 measures of preventing falling, factor of safety is higher, and this prevents weighing down formula hydraulic lifting platform can prevent that hydraulic lifting platform from falling, simple structure, and factor of safety is high, convenient operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent weighing down formula hydraulic lifting platform, includes base (1), its characterized in that: the hydraulic pump is characterized in that a hydraulic pump (3) is arranged at the center of the upper surface of the base (1), a hydraulic tank (13) is arranged at the right end of the hydraulic pump (3), cylinder bodies (10) are arranged on two sides of the upper surface of the base (1), the upper ends of the cylinder bodies (10) are connected with a cylinder cover (11) through threads, circulation holes (6) are arranged at the lower ends of the cylinder bodies (10), a cylinder body (2) is arranged on the outer side of each cylinder body (10) corresponding to the circulation hole (6), a supporting sleeve (5) arranged on the periphery of the cylinder body (2) is welded on the outer surface of the cylinder body (10), the cylinder body (2) is embedded in the supporting sleeve (5), the other end of the cylinder body (2) far away from the circulation hole (6) is connected with the hydraulic pump (3) through a hydraulic pipe (4), the hydraulic pump (3) is connected with the hydraulic tank (13) through the hydraulic pipe (4), a switch I (9) is, the input of switch (9) is connected through the output electricity of external circuit with the power, the upper end of cylinder body (10) is equipped with lift platform (14), the both sides of the lower surface of lift platform (14) all are connected with lifter (8) through lock nut, the other end that lift platform (14) were kept away from in lifter (8) all runs through cylinder cap (11) and piston (7) threaded connection, lifter (8) all nestification is inside cylinder body (10), and lifter (8) cup joints with cylinder cap (11) slip.

2. The fall prevention type hydraulic lifting platform according to claim 1, characterized in that: the left side and the right side of the upper surface of the base (1) are welded with supporting frames (17), the central positions of the left side and the right side of the base (1) are connected with a first gear (19) through rotating shafts, rotating discs (23) are welded on the lower surfaces of the first gear (19), four baffles (25) are uniformly arranged on the peripheries of the rotating discs (23), the baffles (25) are connected to the peripheries of the rotating discs (23) through movable connecting pieces, the right sides of the baffles (25) are connected to the rotating discs (23) through reset spring columns (24), limiting blocks (28) are welded at the left ends of the baffles (25) on the rotating discs (23), fixed discs (29) arranged on the peripheries of the rotating discs (23) are welded on the outer surface of the base (1), four electric telescopic columns (30) are welded on the inner surfaces of the fixed discs (29) uniformly, and a second switch (16) is arranged at the right, electric telescopic column (30) is connected through the output electricity of wire and switch two (16), the input of switch two (16) is connected through the output electricity of external circuit and power, gear two (15) that gear one (19) upper end was equipped with are connected on support frame (17) through the pivot, connect through belt (26) between gear one (19) and gear two (15), connecting block (18) have all been welded to the left and right sides of lift platform (14), and one side of belt (26) all wears to wind with connecting block (18) and is connected.

3. The fall prevention type hydraulic lifting platform according to claim 1, characterized in that: barrel (2) inside upper and lower both sides all are equipped with slide (22), all be equipped with sliding block (21) on slide (22), two equal threaded connection in electric telescopic handle (31) are on sliding block (21), the one end that sliding block (21) were kept away from in electric telescopic handle (31) all welds and seals (32), the right-hand member of slide (22) is equipped with spacing ring (12), electric telescopic handle (31) are connected through the output electricity of wire with switch two (16), the input of switch two (16) is connected through the output electricity of external circuit and power.