CN216785651U

CN216785651U - Adjustable lifting platform

Info

Publication number: CN216785651U
Application number: CN202220269990.9U
Authority: CN
Inventors: 周行
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-06-21
Anticipated expiration: 2032-02-10

Abstract

The utility model discloses an adjustable lifting platform which comprises a base, a barrel, a lifting hydraulic cylinder, a first screw rod, a locking nut, a platform body, a barrel rotating mechanism, a telescopic frame, a positioning mechanism, a bottom plate and a bottom plate driving mechanism. The height of the table body is adjusted through the lifting hydraulic cylinder, the orientation of the table body is adjusted through the cylinder rotating mechanism, uncontrolled dropping during the fault of the table body is avoided through the locking nut, and the lifting table is positioned through the telescopic frame and the positioning mechanism.

Description

Adjustable lifting platform

Technical Field

The utility model relates to the field of lifting tables, in particular to an adjustable lifting table.

Background

When engineering construction is carried out, workers or articles need to be lifted to a high position, but the existing lifting platform is single in function and cannot adjust the direction; secondly, the base of the lifting mechanism structure cannot be adjusted, so that the lifting mechanism cannot adapt to different terrains; and finally, the lifting platform is not provided with a supporting structure, so that accidents are easy to happen when the lifting platform is damaged. Therefore, it is highly desirable to invent an adjustable lift table.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems described in the background art, the utility model provides an adjustable lifting table, the height of a table body is increased through a lifting hydraulic cylinder, the orientation of the table body is adjusted through a cylinder rotating mechanism, the table body is prevented from uncontrollably falling through a locking nut, and the lifting table is positioned through a telescopic frame and a positioning mechanism. The lifting platform comprises a base, a barrel, a lifting hydraulic cylinder, a first screw rod, a locking nut, a platform body, a barrel rotating mechanism, a telescopic frame, a positioning mechanism, a bottom plate and a bottom plate driving mechanism, wherein the barrel is rotatably connected to the base;

the bottom plate is connected to the top of the table body in a sliding mode, the bottom plate is in transmission connection with the bottom plate driving mechanism, the bottom plate driving mechanism comprises a horizontal motor, a third screw rod and a third screw sleeve, the horizontal motor is fixed to the left side of the table body, the output end of the horizontal motor is fixedly connected with the third screw rod, the third screw rod is located inside a groove cavity formed in the table body and is in rotating connection with the table body through a bearing, the third screw sleeve is further arranged inside the groove cavity formed in the table body, the inner side of the third screw sleeve is in threaded connection with the third screw rod, and the top of the third screw sleeve is fixedly connected with the bottom plate;

the cylinder rotating mechanism is in transmission connection with the cylinder and comprises a steering motor, a gear and a toothed ring, the steering motor is fixed on the upper part of the base, the output end of the steering motor is fixedly connected with the gear, the gear is meshed with the toothed ring, and the toothed ring is fixedly sleeved on the outer side of the cylinder; the side end of the base is fixedly connected with the positioning mechanism through the telescopic frame.

Preferably, the expansion bracket comprises an outer square pipe, an inner square pipe and a bolt, wherein the inner square pipe is slidably connected with the outer square pipe, the outer square pipe is fixedly connected with the base, the inner square pipe is fixedly connected with the positioning mechanism, the outer square pipe is provided with the bolt, and the inner square pipe is sequentially provided with a plurality of threaded holes matched with the bolt.

Preferably, the positioning mechanism comprises a handle, a shell, a second threaded sleeve, a second screw rod, a pressing plate and an anti-slip layer, wherein the shell is fixed at the side end of the telescopic frame, the second threaded sleeve is fixed at the upper part of the shell and is in threaded connection with the second screw rod, the top of the second screw rod is fixedly connected with the handle, the bottom of the second screw rod is rotatably connected with the pressing plate, the anti-slip layer is fixed at the bottom of the pressing plate, and the pressing plate is in sliding connection with the inner cavity of the shell.

Preferably, the table body is provided with a fence, and a ladder stand is arranged at the side end of the table body.

Preferably, a plurality of support rods are fixed on the base, the top of each support rod is fixedly connected with the outer ring of a ball bearing, and the inner ring of the ball bearing is fixedly sleeved with the outer surface of the cylinder.

Preferably, the side ends of the base in the front, back, left and right directions are fixedly connected with the positioning mechanism through telescopic frames.

Compared with the prior art, the utility model has the beneficial effects that:

1. the workpiece is positioned through the detachable workpiece positioning barrel, and the workpieces with different diameters and lengths are positioned through disassembling and replacing the positioning barrels with different inner holes and lengths;

2. the bending and cutting device has the bending and cutting functions, is simple in structure and complete in function, and can meet the conventional engineering requirements while saving the manufacturing cost;

3. the bottom of the lifting platform is provided with the roller wheels to improve the maneuverability of the lifting platform, and the bottom of the lifting platform is also provided with the base positioning mechanism to effectively fix the lifting platform.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram of the general structure of the present invention;

in the figure: the device comprises a base 1, a barrel 2, a lifting hydraulic cylinder 3, a first screw rod 4, a locking nut 5, a table body 6, a barrel rotating mechanism 7, a steering motor 71, a gear 72, a toothed ring 73, an expansion bracket 8, a positioning mechanism 9, a handle 90, a machine shell 91, a second screw sleeve 92, a second screw rod 93, a pressing plate 94, an anti-skid layer 95, a bottom plate 10, a bottom plate driving mechanism 11, a horizontal motor 110, a third screw rod 111, a third screw sleeve 112, a ladder 12, a supporting rod 13, a ball bearing 14 and a fence 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, an adjustable lifting platform comprises a base 1, a cylinder 2, a lifting hydraulic cylinder 3, a first screw rod 4, a locking nut 5, a platform body 6, a cylinder rotating mechanism 7, a telescopic frame 8, a positioning mechanism 9, a bottom plate 10 and a bottom plate driving mechanism 11, wherein the cylinder 2 is rotatably connected to the base 1, the cylinder rotating mechanism 7 is mounted on the base 1, the cylinder 2 is in transmission connection with the cylinder rotating mechanism 7, the side ends of the base 1 in the front, back, left and right directions are connected with the positioning mechanism 9 through the telescopic frame 8, the telescopic frame 8 comprises an outer square tube, an inner square tube and a bolt, the inner square tube is in sliding connection with the outer square tube, the outer square tube is fixedly connected with the base 1, the inner square tube is fixedly connected with the positioning mechanism 9, the outer square tube is provided with the bolt, and the inner square tube is sequentially provided with a plurality of threaded holes for being matched with the bolt; interior square pipe is along outer square pipe horizontal migration, just so can adjust the length of whole expansion bracket 8 for the environment is in order to adapt to different topography around the cooperation, to the length of adjusting expansion bracket 8 when soft to the bottom surface with the base contact to the biggest, in accommodation process, after interior square pipe slides and targets in place, screws up the bolt, with outer square pipe, interior square pipe fixed together.

A lifting hydraulic cylinder 3 is fixedly connected in the cylinder 2, a piston rod of the lifting hydraulic cylinder 3 is fixedly connected with a first screw rod 4, the end part of the first screw rod 4 is fixed at the bottom of the table body 6, a locking nut 5 is sleeved in the middle of the first screw rod 4, and the diameter of the locking nut 5 is larger than the diameter of an opening at the top end of the cylinder 2; the lifting hydraulic cylinder 3 drives the screw rod 4 to move up and down along the barrel 2, so that the table body 6 can be driven to move up and down. When the first screw rod 4 moves in place, the locking nut 5 is screwed, the locking nut 5 moves downwards to the top end of the barrel 2, the current height of the platform body 6 can be locked through the locking nut 5, even when the lifting hydraulic cylinder 3 breaks down, the platform body 6 can be prevented from falling out of control, and the safety of the lifting platform is further improved.

The bottom plate 10 is connected with the top of the table body 6 in a sliding way, the bottom plate 10 is connected with a bottom plate driving mechanism 11 in a transmission way, the bottom plate driving mechanism 11 comprises a horizontal motor 110, a screw rod III 111 and a screw sleeve III 112, wherein the horizontal motor 110 is fixed on the left side of the table body 6, the output end of the horizontal motor 110 is fixedly connected with the third screw 111, the third screw 111 is positioned in the groove cavity formed on the table body 6 and is rotationally connected with the table body 6 through a bearing, a third threaded sleeve 112 is also arranged in the groove cavity formed in the table body 6, the inner side of the third threaded sleeve 112 is in threaded connection with a third threaded rod 111, the top of the third threaded sleeve 112 is fixedly connected with the bottom plate 10, the horizontal motor 110 drives the third screw rod 111 to rotate, so that the third threaded sleeve 112 can be driven to move left and right, thereby driving the third screw sleeve 112 to move left and right with the bottom plate 10 fixed with the third screw sleeve, and enabling the article on the bottom plate 10 to move out horizontally.

The cylinder rotating mechanism 7 is in transmission connection with the cylinder 2, the cylinder rotating mechanism 7 comprises a steering motor 71, a gear 72 and a toothed ring 73, the steering motor 71 is fixed on the upper part of the base 1, the output end of the steering motor 71 is fixedly connected with the gear 72, the gear 72 is meshed with the toothed ring 73, and the toothed ring 73 is fixedly sleeved on the outer side of the cylinder 2; the steering motor drives the gear 72 to rotate, the gear 72 drives the gear ring 73 engaged with the gear 72 to rotate, and the gear ring 73 drives the cylinder 2 and the table body 6 to rotate, so that the direction of the table body 6 can be adjusted.

The positioning mechanism 9 comprises a handle 90, a casing 91, a second screw sleeve 92, a second screw rod 93, a pressing plate 94 and an anti-slip layer 95, wherein the casing 91 is fixed at the side end of the telescopic frame 8, the second screw sleeve 92 is fixed at the upper part of the casing 91, the second screw sleeve 92 is in threaded connection with the second screw rod 93, the handle 90 is fixedly connected to the top of the second screw rod 93, the pressing plate 94 is rotatably connected to the bottom of the second screw rod 93, the anti-slip layer 95 is fixed at the bottom of the pressing plate 94, and the pressing plate 94 is slidably connected to the inner cavity of the casing 91. The handle 90 is rotated to enable the screw rod 93 to move up and down along the second thread sleeve 92, the screw rod 93 can drive the pressing plate 94 to move up and down along the inner cavity of the machine shell 91, and when the lifting platform is positioned after the position is determined, the pressing plate 94 moves down, so that the anti-skid layer 95 at the bottom is attached to the ground.

The guardrail is arranged on the table body 6, and the ladder stand 12 is arranged at the side end of the table body 6.

In order to increase the stability of the lifting platform, a plurality of support rods 13 are fixed on the base 1, the top of each support rod 13 is fixedly connected with the outer ring of a ball bearing 14, and the inner ring of the ball bearing 14 is fixedly sleeved with the outer surface of the barrel 2

According to the working principle, after the lifting platform is moved to a preset position through the rollers under the base, the telescopic frame 8 is adjusted to be in a proper length, and then the handle is manually rotated to enable the pressing plate to drive the anti-skid layer to be in pressing contact with the ground, so that the lifting platform is fixed; then, after the lifting platform is adjusted to a proper height by the lifting hydraulic cylinder, the first screw rod is locked by the locking nut; then the steering motor drives the gear ring to rotate so as to adjust the lifting platform to a proper angle.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lifting platform with adjustable, includes base (1), barrel (2), hydraulic cylinder (3), screw rod (4), lock nut (5), stage body (6), barrel rotary mechanism (7), expansion bracket (8), positioning mechanism (9), bottom plate (10) and bottom plate actuating mechanism (11), its characterized in that: the base (1) is rotatably connected with a barrel (2), a lifting hydraulic cylinder (3) is fixedly connected in the barrel (2), a piston rod of the lifting hydraulic cylinder (3) is fixedly connected with a first screw rod (4), the end part of the first screw rod (4) is fixed at the bottom of a table body (6), a locking nut (5) is sleeved in the middle of the first screw rod (4) in a threaded manner, and the outer diameter of the locking nut (5) is larger than the opening diameter of the top end of the barrel (2);

the bottom plate (10) is connected to the top of the table body (6) in a sliding mode, the bottom plate (10) is in transmission connection with a bottom plate driving mechanism (11), the bottom plate driving mechanism (11) comprises a horizontal motor (110), a third screw rod (111) and a third screw sleeve (112), the horizontal motor (110) is fixed to the left side of the table body (6), the output end of the horizontal motor (110) is fixedly connected with the third screw rod (111), the third screw rod (111) is located in a groove cavity formed in the table body (6) and is rotatably connected with the table body (6) through a bearing, the third screw sleeve (112) is further arranged in the groove cavity formed in the table body (6) in a sliding mode, an inner hole of the third screw sleeve (112) is in threaded connection with the third screw rod (111), and the top of the third screw sleeve (112) is fixedly connected with the bottom plate (10);

the barrel rotating mechanism (7) is in transmission connection with the barrel (2), the barrel rotating mechanism (7) comprises a steering motor (71), a gear (72) and a toothed ring (73), the steering motor (71) is fixed on the upper portion of the base (1), the output end of the steering motor (71) is fixedly connected with the gear (72), the gear (72) is meshed with the toothed ring (73), and the toothed ring (73) is fixedly sleeved on the outer side of the barrel (2);

the side end of the base (1) is fixedly connected with a positioning mechanism (9) through a telescopic frame (8).

2. The lift table of claim 1, wherein: expansion bracket (8) comprises outer square pipe, interior side pipe, bolt, and interior side pipe and outer square pipe sliding connection, outer square pipe and base (1) fixed connection, interior side pipe and positioning mechanism (9) fixed connection are provided with the bolt on the outer side pipe, arrange in proper order on the interior side pipe have the several with bolt complex screw hole.

3. The lift table of claim 2, wherein: positioning mechanism (9) are including handle (90), casing (91), swivel nut two (92), screw rod two (93), clamp plate (94) and skid resistant course (95), wherein the side in expansion bracket (8) is fixed in casing (91), the upper portion of casing (91) is fixed with swivel nut two (92), swivel nut two (92) and screw rod two (93) threaded connection, the top fixedly connected with handle (90) of screw rod two (93), the bottom of screw rod two (93) is rotated and is connected with clamp plate (94), the bottom of clamp plate (94) is fixed with skid resistant course (95), clamp plate (94) sliding connection is in the inner chamber of casing (91).

4. The lift table of claim 3, wherein: the table body (6) is provided with a fence (15), and the side end of the table body (6) is provided with a ladder stand (12).

5. The lift table of claim 4, wherein: a plurality of support rods (13) are fixed on the base (1), the top of each support rod (13) is fixedly connected with the outer ring of a ball bearing (14), and the inner ring of the ball bearing (14) is fixedly sleeved with the outer surface of the barrel body (2).

6. The lift table of claim 2, wherein: the side ends of the base (1) in the front, back, left and right directions are fixedly connected with a positioning mechanism (9) through telescopic frames (8).