CN210065065U

CN210065065U - Guide rail hydraulic lift anti-falling device

Info

Publication number: CN210065065U
Application number: CN201920891263.4U
Authority: CN
Inventors: 陈琪
Original assignee: Suzhou Sino Swiss Lifting Machinery Co Ltd
Current assignee: Suzhou Sino Swiss Lifting Machinery Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-02-14
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a guide rail hydraulic lift anti-falling device, which comprises a fixed seat, wherein support columns are symmetrically arranged on the upper end of the fixed seat, a crossbeam is welded on the top end of each support column, a lifting platform is movably sleeved on each support column, fixed frames are fixedly arranged at the bottom ends of the front side and the rear side of the lifting platform through screws, the utility model has stable integral structure under the matching of corresponding guide wheels, simultaneously, a speed limiter detects the corresponding lifting speed, when the lifting speed is higher than a set value, a second hydraulic cylinder operates to push a second piston column to move backwards, so that a connecting column moves outwards under the driving of a second connecting rod, a fixture block is driven by the second connecting rod to move outwards from a first sleeve, and the fixture block is clamped and abutted against racks on the two sides, thereby realizing the limiting and fixing of the lifting platform, effectively preventing the lifting platform from falling, and preventing people and goods from, the structural design is compact and reasonable, has strong practicability and is suitable for popularization.

Description

Guide rail hydraulic lift anti-falling device

Technical Field

The utility model belongs to the technical field of the lift, concretely relates to guide rail hydraulic lift anti-falling device.

Background

The elevator is a multifunctional lifting mechanical device, which can be divided into fixed type, movable type, guide rail type, crank arm type, scissor fork type, chain type, loading and unloading platform and the like, the guide rail chain type elevator is a non-scissor fork type hydraulic elevator platform, is used for transporting goods in industrial factory buildings, dining rooms and wine houses with more than two floors, is most practical for working places where pits cannot be excavated due to the lowest height of only one hundred five to three hundred millimeters, does not need upper part point adjustment, has various forms (single column, double column and four columns), is stable in action, simple and reliable in operation, economical and easy in transmission of various goods of hydraulic pressure and electric appliances, can be designed and manufactured according to user requirements, has wide application in the field of construction, but can be used for bearing heavy objects due to the fact that the elevator generally bears the heavy objects, sometimes accidents occur, the danger of breaking of bearing ropes occurs, and the existing elevator can not be stopped in time after the ropes break, the anti-falling device of the guide rail hydraulic elevator is used for solving the problems that a bearing platform falls, goods are damaged, the cost is increased, even workers are injured by smashing, and corresponding limitations exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a guide rail hydraulic lift anti-falling device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-falling device of a guide rail hydraulic lift comprises a fixed seat, wherein support columns are symmetrically arranged on two sides of the upper end of the fixed seat, a cross beam is welded at the top ends of the support columns, a lifting platform is movably sleeved on the support columns, fixed frames are fixedly arranged at the bottom ends of the front side and the rear side of the lifting platform through screws, the fixed frames are in butt joint with first piston columns at the bottom sides, the first piston columns are in butt joint with first hydraulic cylinders at the bottom ends, connecting columns are embedded and arranged on the left side and the right side of the lifting platform, guide wheels are sleeved on the connecting columns and are movably connected with first guide rails and second guide rails at the inner sides of the support columns, connecting sleeves are further sleeved on the connecting columns, first sleeves are embedded and arranged on the front sides and the rear sides of the connecting sleeves, clamping blocks are movably arranged at the inner sides of the first sleeves, and the, the other end of the first connecting rod is movably connected with the connecting column through a connecting seat, the connecting column is connected with a second sleeve on the inner side of the connecting column in a sleeved mode, the other end of the connecting column is movably connected with a second connecting rod through a pin shaft, the other end of the second connecting rod is movably connected with a connecting seat on a second piston column, the second piston column is connected with a second hydraulic cylinder on the bottom side in a butt joint mode, grooves are formed in the middle sides of the first guide rail and the second guide rail, racks are arranged on the middle sides of the grooves, and the second hydraulic cylinder is electrically connected with a speed limiter on the lifting platform.

Preferably, four corners of the lifting platform are provided with through holes, and the through holes correspond to the support columns in position.

Preferably, a through hole is formed in the middle side of the lifting platform, and fixing columns are installed on the middle side of the through hole at equal intervals.

Preferably, a cavity is reserved on the inner side of the connecting column, two guide wheels are arranged on the connecting column, the connecting sleeve is located between the two guide wheels, and a bearing is sleeved at the joint of the guide wheels and the connecting column.

Preferably, the second hydraulic cylinder is fixedly arranged in an installation cavity at the inner side of the lifting platform.

Preferably, the length of the first link is shorter than the length of the second link.

The utility model discloses a technological effect and advantage: the utility model discloses an overall structure is stable under the cooperation of corresponding guide pulley, the overspeed governor detects corresponding elevating speed simultaneously, when being higher than the setting value, second hydraulic cylinder operation promotes second piston post rearward movement, thereby under the drive of second connecting rod, even the post removes to the outside, drive the fixture block through the second connecting rod and remove from first sleeve to the outside, the rack block of fixture block and both sides offsets from this, realize spacing fixed to lift platform from this, can effectually prevent that it from falling, prevent to give personnel and goods and bring the harm, structural design is closely reasonable, has very strong practicality, and is suitable for popularization.

Drawings

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

fig. 2 is a schematic top view of the lifting platform of the present invention;

FIG. 3 is a schematic cross-sectional view taken along the line A-A of FIG. 2 according to the present invention;

fig. 4 is a schematic structural diagram of the inner side of the support pillar of the present invention.

In the figure: 1-a fixed seat, 2-a supporting column, 3-a first hydraulic cylinder, 4-a first piston column, 5-a fixed frame, 6-a lifting platform, 7-a cross beam, 8-a speed limiter, 9-a guide wheel, 10-a through hole, 11-a fixed column, 12-a through hole, 13-a connecting sleeve, 14-a connecting column, 15-a connecting column, 16-a second connecting rod, 17-a second piston column, 18-a second hydraulic cylinder, 19-a second sleeve, 20-a first connecting rod, 21-a clamping block, 22-a first guide rail, 23-a rack, 24-a second guide rail and 25-a first sleeve.

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.

The utility model provides a guide rail hydraulic lift anti-falling device as shown in figures 1-4, which comprises a fixed seat 1, wherein support columns 2 are symmetrically arranged at the two sides of the upper end of the fixed seat 1, a beam 7 is welded at the top end of each support column 2, a lifting platform 6 is movably sleeved on each support column 2, a fixed frame 5 is fixedly arranged at the bottom ends of the front side and the rear side of each lifting platform 6 through screws, the fixed frame 5 is connected with a first piston column 4 at the bottom side in a butt joint manner, the first piston column 4 is connected with a first hydraulic cylinder 3 at the bottom end in a butt joint manner, connecting columns 14 are arranged at the left side and the right side of each lifting platform 6 in an embedded manner, guide wheels 9 are sleeved on the connecting columns 14, the guide wheels 9 are movably connected with a first guide rail 22 and a second guide rail 24 at the inner side of each support column 2, connecting sleeves 13 are also sleeved on the, a clamping block 21 is movably arranged on the inner side of the first sleeve 25, the rear end of the clamping block 21 is movably connected with the first connecting rod 20 through a pin shaft, a notch is formed in the side of the first sleeve 25 and is convenient to movably connect with the first connecting rod 20, the other end of the first connecting rod 20 is movably connected with the connecting column 15 through a connecting seat, the connecting column 15 is connected with the second sleeve 19 on the inner side of the connecting column 14 in a sleeved mode, the other end of the connecting column 15 is movably connected with the second connecting rod 16 through a pin shaft, the other end of the second connecting rod 16 is movably connected with a connecting seat on the second piston column 17, the second piston column 17 is connected with the second hydraulic cylinder 18 on the bottom side in a butt joint mode, grooves are formed in the middle sides of the first guide rail 22 and the second guide rail 24, a rack 23 is arranged on the middle side of each groove, and the second hydraulic cylinder 18 is electrically connected with the speed limiter.

Specifically, four corners of the lifting platform 6 are provided with through holes 12, and the through holes 12 correspond to the support columns 2.

Specifically, a through hole 10 is formed in the middle side of the lifting platform 6, and fixing columns 11 are installed on the middle side of the through hole 10 at equal intervals.

Specifically, a cavity is reserved on the inner side of the connecting column 14, two guide wheels 9 are arranged on the connecting column 14, the connecting sleeve 13 is located between the two guide wheels 9, and a bearing is sleeved at the joint of the guide wheels 9 and the connecting column 14.

Specifically, the second hydraulic cylinder 18 is fixedly installed in the installation cavity at the inner side of the lifting platform 6.

Specifically, the length of the first link 20 is shorter than the length of the second link 16.

The utility model discloses a when using, lift platform 6 is whole along the first guide rail 22 of 2 insides of support column under the drive of first pneumatic cylinder 3, second guide rail 24 reciprocates, overall structure is stable under the cooperation of corresponding guide pulley 9, overspeed governor 8 detects corresponding elevating speed simultaneously, when being higher than the setting value, 18 operation of second pneumatic cylinder promote second piston post 17 to remove backward, thereby under the drive of second connecting rod 16, even post 15 moves to the outside, drive fixture block 21 through first connecting rod 20 and move from first sleeve 25 to the outside, 23 block offsets of rack of fixture block 21 and both sides from this, realize spacing fixed to lift platform 6, can effectually prevent that it from falling, prevent to bring the harm for personnel and goods, structural design is closely reasonable, has very strong practicality, and is suitable for popularization.

It should be noted that the specific models of the first hydraulic cylinder 3, the second hydraulic cylinder 18, and the speed limiter 8 need to be calculated according to the specific specification of the setting, and the corresponding calculation method belongs to the prior art in this field, and therefore, description thereof is omitted.

The manner of control of the first hydraulic cylinder 3, the second hydraulic cylinder 18 and the speed limiter 8 and the principles thereof will be clear to a person skilled in the art and will not be described in detail here.

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 guide rail hydraulic lift anti-falling device, includes fixing base (1), its characterized in that: the upper end bilateral symmetry of fixing base (1) is provided with support column (2), the top welding of support column (2) has crossbeam (7), lift platform (6) has been cup jointed in the activity on support column (2), mount (5) have been installed through the fix with screw in both sides bottom around lift platform (6), mount (5) and the first piston post (4) butt joint of bottom side link to each other, first piston post (4) and the first pneumatic cylinder (3) butt joint of bottom link to each other, spliced pole (14) have been installed in the left and right avris scarf joint of lift platform (6), guide pulley (9) have been cup jointed on spliced pole (14), guide pulley (9) and first guide rail (22) of support column (2) inboard, second guide rail (24) activity link to each other, adapter sleeve (13) have still been cup jointed on spliced pole (14), first sleeve (25) have been installed in the front and back both sides scarf joint of adapter sleeve (13), a clamping block (21) is movably arranged at the inner side of the first sleeve (25), the rear end of the clamping block (21) is movably connected with the first connecting rod (20) through a pin shaft, the other end of the first connecting rod (20) is movably connected with the connecting column (15) through a connecting seat, the connecting column (15) is connected with a second sleeve (19) at the inner side of the connecting column (14) in a sleeved mode, the other end of the connecting column (15) is movably connected with a second connecting rod (16) through a pin shaft, the other end of the second connecting rod (16) is movably connected with a connecting seat on a second piston column (17), the second piston column (17) is connected with a second hydraulic cylinder (18) at the bottom side in a butt joint way, the middle sides of the first guide rail (22) and the second guide rail (24) are provided with grooves, the middle side of the groove is provided with a rack (23), and the second hydraulic cylinder (18) is electrically connected with a speed limiter (8) on the lifting platform (6).

2. The guide rail hydraulic elevator fall arrest device according to claim 1, wherein: four corners of the lifting platform (6) are provided with through holes (12), and the through holes (12) correspond to the support columns (2).

3. The guide rail hydraulic elevator fall arrest device according to claim 1, wherein: the middle side of the lifting platform (6) is provided with a through hole (10), and fixing columns (11) are arranged on the middle side of the through hole (10) at equal intervals.

4. The guide rail hydraulic elevator fall arrest device according to claim 1, wherein: the utility model discloses a bearing of spliced pole (14) is including spliced pole (14), the inboard of spliced pole (14) is left to be equipped with the cavity, guide pulley (9) on spliced pole (14) are equipped with two, adapter sleeve (13) are located two between guide pulley (9), the bearing has been cup jointed to the handing-over department of guide pulley (9) and spliced pole (14).

5. The guide rail hydraulic elevator fall arrest device according to claim 1, wherein: the second hydraulic cylinder (18) is fixedly arranged in an installation cavity at the inner side of the lifting platform (6).

6. The guide rail hydraulic elevator fall arrest device according to claim 1, wherein: the length of the first link (20) is lower than the length of the second link (16).