CN222574191U

CN222574191U - Adjustable lifting platform

Info

Publication number: CN222574191U
Application number: CN202421392103.2U
Authority: CN
Inventors: 张红强
Original assignee: Shandong Shengze Heavy Industry Machinery Group Co ltd
Current assignee: Shandong Shengze Heavy Industry Machinery Group Co ltd
Priority date: 2024-06-18
Filing date: 2024-06-18
Publication date: 2025-03-07
Anticipated expiration: 2034-06-18

Abstract

The utility model discloses an adjustable lifting platform, which relates to the technical field of lifting platforms and comprises a fixed frame, wherein buffer cushions are fixedly connected to the front part and the rear part of the top of the fixed frame, a lifting mechanism is fixedly connected to the top of the fixed frame, a lifting plate is fixedly connected to the surface of the lifting mechanism, an adjusting mechanism is fixedly connected to the top of the lifting plate, the lifting mechanism comprises four threaded blocks and four fixed sleeves, and the bottoms of the four fixed sleeves are fixedly connected with four corners of the top of the fixed frame. According to the adjustable lifting platform, the plurality of wheel sets can be driven to rotate by starting the motor, so that the four threaded rods rotate at the same speed and in the same direction, the arranged threaded rods are in threaded connection with the threaded blocks, the lifting plate is driven to lift, and meanwhile, the arranged sliding blocks slide along the sliding grooves, so that the lifting stability of the lifting plate is ensured, and a better lifting effect is achieved.

Description

Adjustable lifting platform

Technical Field

The utility model relates to the technical field of lifting platforms, in particular to an adjustable lifting platform.

Background

The lifting platform is a multifunctional lifting loading and unloading mechanical device, and can be divided into a fixed type and a movable type, and can be used in building construction to carry out construction operation on a position which cannot be directly reached.

For example, chinese patent publication No. CN208964484 discloses a fixed lifting platform with adjustable guardrails, which comprises a base, a scissor telescopic frame, a hydraulic cylinder and a lifting plate, wherein guardrails are arranged around the lifting plate, a rotating rod is fixedly connected to the bottom of the guardrails, a hinge shaft is fixedly connected to the lower end of the rotating rod, a hinge seat is rotatably connected to the hinge shaft, a fixing hole is formed in the rotating rod, an upper bolt fixing mechanism is arranged on the right side of the fixing hole, a lower bolt fixing mechanism is arranged below the upper bolt fixing mechanism, and the lower bolt fixing mechanism is identical to the upper bolt fixing mechanism. The utility model conveniently erects and fixes the guardrail or puts down and fixes the guardrail by arranging the guardrail, the rotating rod and the bolt mechanisms which are vertically symmetrical, is suitable for personnel lifting and goods lifting, improves the adaptability of the lifting platform and has strong practicability.

The following problems exist in the prior art:

Most of the existing lifting platforms go to lift through the shearing fork mechanism, but the stability of the shearing fork mechanism is poor, the safety of workers is affected by easy left-right shaking, meanwhile, the guardrails of the existing lifting platforms are usually fixed, the guardrail cannot be adjusted according to the personnel with different heights, and the practicability is poor.

Disclosure of utility model

The present utility model provides an adjustable lifting platform to solve the above-mentioned problems set forth in the background art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a lift platform with adjustable, includes the fixed frame, the equal fixedly connected with blotter in front and back portion at fixed frame top, the top fixedly connected with elevating system of fixed frame, elevating system's fixed surface is connected with lifter plate, elevating system's top fixedly connected with adjustment mechanism, elevating system includes four screw thread pieces and four fixed cover, four the bottom of fixed cover and the top four corners position fixed connection of fixed frame, four screw thread piece keeps away from the front and back portion fixed connection of one side and the lifter plate left and right sides of fixed cover.

Preferably, the lifting mechanism comprises a motor, the bottom of the motor is fixedly connected with the front position on the right side of the bottom of the inner wall of the fixed frame, four threaded rods are rotationally connected to the four corners of the upper part of the fixed frame, the bottom of each threaded rod is fixedly connected with the output end of the motor, the lower part of each threaded rod is fixedly connected with a first rotating wheel, the lower part of each threaded rod is fixedly connected with a second rotating wheel, the lower parts of each threaded rod are fixedly connected with a first triangular belt, the lower parts of each rotating wheel are fixedly connected with a third triangular belt, each two rotating wheels are respectively connected with the surfaces of the three triangular belts, the tops of the four threaded rods are rotationally connected with the tops of the inner walls of the four fixed sleeves, and the surfaces of the four threaded rods are in threaded connection with the middle positions of the four threaded blocks.

Preferably, the front side and the rear side of the four fixing sleeves are respectively provided with a sliding groove, the front side and the rear side of the four threaded blocks are respectively fixedly connected with a sliding block, and the width of each sliding block is consistent with that of each sliding groove.

Preferably, the adjusting mechanism comprises a plurality of sliding sleeves and two adjusting sleeves, the bottoms of the sliding sleeves are fixedly connected with the top of a fixed frame, the inner walls of the sliding sleeves are movably connected with a plurality of sliding rods, the tops of the sliding rods are fixedly connected with supporting rods, the bottoms of the two adjusting sleeves are fixedly connected with the left and right parts of the rear part of the upper surface of a lifting plate, the left and right parts of the bottoms of the supporting rods are fixedly connected with two adjusting rods, the upper parts of the opposite ends of the two adjusting sleeves are fixedly connected with two connecting sleeves, the inner walls of the connecting sleeves are movably connected with two pull rods, and the surfaces of the two pull rods are in threaded connection with springs.

Preferably, the opposite surfaces of the two adjusting rods are provided with a plurality of clamping holes in a linear array, and the diameters of the clamping holes are consistent with the diameters of the surfaces of the pull rods.

Preferably, the surfaces of the two pull rods are fixedly connected with sliding plates, the diameter of the surfaces of the sliding plates is consistent with the diameter of the inner wall of the connecting sleeve, and the diameter of the surfaces of the sliding plates is slightly larger than the diameter of the outer ring of the spring.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

The utility model provides an adjustable lifting platform, which can drive a plurality of wheel sets to rotate by starting a motor, so that four threaded rods rotate in the same direction at the same speed, the set threaded rods are in threaded connection with a threaded block, the lifting plate is driven to lift, and meanwhile, the set sliding block slides along a sliding groove, so that the lifting stability of the lifting plate is ensured, and a better lifting effect is achieved.

The utility model provides an adjustable lifting platform, which is characterized in that a pull rod is pulled inwards to drive a spring to compress, meanwhile, the pull rod is separated from a clamping hole, and then a support rod is pulled upwards, so that the support rod moves to a proper height, the corresponding clamping hole is aligned with the pull rod, the pull rod slides into the clamping hole under the action of the spring, the adjusting rod is fixed, and a plurality of sliding rods are arranged to slide upwards along a sliding sleeve, so that the height adjustment is completed, the adjustable lifting platform is suitable for workers with various heights, and achieves better practicability and higher safety effect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the lifting mechanism of the present utility model;

FIG. 3 is a schematic view of a part of the structure of the lifting mechanism of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;

FIG. 5 is a schematic view of an adjusting mechanism according to the present utility model;

fig. 6 is a schematic view of a part of a cross-sectional structure of an adjusting mechanism of the present utility model.

In the figure, 1, a fixed frame; 2, lifting plate, 3, lifting mechanism, 4, adjusting mechanism, 5, buffer pad, 31, motor, 32, first rotating wheel, 33, first triangular belt, 34, second rotating wheel, 35, third rotating wheel, 36, second triangular belt, 37, sliding chute, 38, threaded rod, 39, fixed sleeve, 301, threaded block, 302, sliding block, 40, sliding plate, 41, supporting rod, 42, sliding rod, 43, sliding sleeve, 44, adjusting rod, 45, adjusting sleeve, 46, connecting sleeve, 47, pull rod, 48, spring, 49 and clamping hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1, an adjustable lifting platform comprises a fixed frame 1, wherein the front and rear parts of the top of the fixed frame 1 are fixedly connected with a buffer pad 5, the top of the fixed frame 1 is fixedly connected with a lifting mechanism 3, the surface of the lifting mechanism 3 is fixedly connected with a lifting plate 2, the top of the lifting plate 2 is fixedly connected with an adjusting mechanism 4, the lifting mechanism 3 comprises four threaded blocks 301 and four fixed sleeves 39, the bottoms of the four fixed sleeves 39 are fixedly connected with the four corners of the top of the fixed frame 1, and one side, far away from the fixed sleeves 39, of the four threaded blocks 301 is fixedly connected with the front and rear parts of the left side and the right side of the lifting plate 2.

It should be noted that, through the elevating system 3 that sets up, can go up and down lifter plate 2, can guarantee the stability that lifter plate 2 goes up and down simultaneously, reach better lift effect, two blotters 5 that set up in the bottom can play certain buffering effect when lifter plate 2 descends to the bottommost, through the adjustment mechanism 4 that sets up, can accomplish the regulation to the height to the staff of adaptation various heights reaches better practicality, and the safety effect is higher.

As shown in fig. 2-4, the lifting mechanism 3 comprises a motor 31, the bottom of the motor 31 is fixedly connected with the front position on the right side of the bottom of the inner wall of the fixed frame 1, four threaded rods 38 are rotatably connected at four corners of the upper part of the fixed frame 1, the bottom of the threaded rod 38 positioned at the front right side is fixedly connected with the output end of the motor 31, the lower part of the threaded rod 38 positioned at the front right side is fixedly connected with a first rotating wheel 32, the lower part of the threaded rod 38 positioned at the rear right side is fixedly connected with a second rotating wheel 34, the surfaces of the second rotating wheel 34 and the first rotating wheel 32 are in transmission connection with a first triangular belt 33, the lower part of the threaded rod 38 is fixedly connected with a third rotating wheel 35, the surfaces of each two rotating wheels 35 positioned at the front and the rear are in transmission connection with a second triangular belt 36, the top of the threaded rod 38 is rotatably connected with the top of the inner wall of the four fixed sleeves 39, and the surfaces of the four threaded rods 38 are in threaded connection with the middle position of the four threaded blocks 301.

It should be noted that, through the start motor 31, the threaded rod 38 at the front right part can be driven to rotate clockwise, and then the first rotating wheel 32 is driven to rotate clockwise, the first rotating wheel 32 and the second rotating wheel 34 are connected through the first cam belt 33 in a transmission manner, and then the second rotating wheel 34 rotates clockwise, and then the threaded rod 38 at the rear right part is driven to rotate clockwise, and then the two third rotating wheels 35 at the right side rotate clockwise, the third rotating wheels 35 at the left and right sides are connected through the second cam belt 36 in a transmission manner, and then the four third rotating wheels 35 rotate in the same speed and in the same direction, and then the four threaded rods 38 rotate in the same speed and the same direction, and then the threaded rod 38 and the threaded block 301 are connected in a threaded manner, and then the threaded block 301 is driven to move upwards along the fixed sleeve 39, and then the lifting plate 2 is driven to lift, and meanwhile the sliding block 302 slides along the sliding groove 37, so that the lifting stability of the lifting plate 2 is ensured, and a better lifting effect is achieved.

As shown in fig. 3 and 4, the front and rear sides of the four fixing sleeves 39 are provided with sliding grooves 37, the front and rear sides of the four screw blocks 301 are fixedly connected with sliding blocks 302, and the width of the sliding blocks 302 is consistent with that of the sliding grooves 37.

It should be noted that, the sliding block 302 slides along the sliding groove 37, which ensures the lifting stability of the lifting plate 2 and achieves better lifting effect.

As shown in fig. 5 and 6, the adjusting mechanism 4 includes a plurality of sliding sleeves 43 and two adjusting sleeves 45, the bottoms of the plurality of sliding sleeves 43 are fixedly connected with the top of the fixed frame 1, the inner walls of the plurality of sliding sleeves 43 are movably connected with a plurality of sliding rods 42, the tops of the plurality of sliding rods 42 are fixedly connected with a supporting rod 41, the bottoms of the two adjusting sleeves 45 are fixedly connected with left and right parts of the rear part of the upper surface of the lifting plate 2, the left and right parts of the bottom of the supporting rod 41 are fixedly connected with two adjusting rods 44, the upper parts of the opposite ends of the two adjusting sleeves 45 are fixedly connected with two connecting sleeves 46, the inner walls of the two connecting sleeves 46 are movably connected with two pull rods 47, and the surfaces of the two pull rods 47 are respectively and spirally connected with springs 48.

It should be noted that, through pulling the pull rod 47 to the inside, drive slide 40 slides along the inside of adapter sleeve 46, and then make spring 48 take place to compress, simultaneously pull rod 47 will break away from draw-in hole 49, then upwards pull bracing piece 41, and then drive regulation pole 44 and slide upwards along adjusting sleeve 45, remove bracing piece 41 to suitable height, and make corresponding draw-in hole 49 aim at pull rod 47, unclamp pull rod 47 this moment, under the effect of spring 48, make pull rod 47 move to the outside, and then make pull rod 47 slide into draw-in hole 49, fix adjusting rod 44, a plurality of slide bars 42 that set up simultaneously will slide upwards along sliding sleeve 43, and then accomplish the altitude mixture control, thereby adapt to the staff of various heights, reach better practicality, the safety effect is higher.

As shown in fig. 6, a plurality of clamping holes 49 are formed on opposite surfaces of the two adjusting rods 44 in a linear array, and the diameter of the clamping holes 49 is identical to the surface diameter of the pull rod 47.

The tie rod 47 is moved outward, and the tie rod 47 is slid into the engagement hole 49, thereby fixing the adjustment rod 44.

As shown in fig. 6, the surfaces of the two pull rods 47 are fixedly connected with the sliding plate 40, the diameter of the surface of the sliding plate 40 is consistent with the diameter of the inner wall of the connecting sleeve 46, and the diameter of the surface of the sliding plate 40 is slightly larger than the diameter of the outer ring of the spring 48.

It should be noted that the sliding plate 40 slides along the inside of the connecting sleeve 46, so that the spring 48 is compressed.

The working principle of the utility model is as follows: the motor 31 is started to drive the threaded rod 38 at the front right part to rotate clockwise, the first rotating wheel 32 is driven to rotate clockwise, the first rotating wheel 32 and the second rotating wheel 34 are connected through the first triangular belt 33 in a transmission way, the second rotating wheel 34 is driven to rotate clockwise, the threaded rod 38 at the rear right part is driven to rotate clockwise, the two rotating wheels three 35 at the right side are driven to rotate clockwise, the three rotating wheels 35 at the left and right sides are connected through the second triangular belt 36 in a transmission way, the four rotating wheels three 35 rotate in the same speed and in the same direction, the four threaded rods 38 rotate in the same speed and in the same direction, the threaded rod 38 and the threaded block 301 are connected in a threaded way, the threaded block 301 is driven to move upwards along the fixed sleeve 39, the lifting plate 2 is driven to lift, the sliding block 302 slides along the sliding groove 37, and the lifting stability of the lifting plate 2 is ensured, the lifting effect is better achieved, the two buffer pads 5 arranged at the bottom can play a certain buffer effect when the lifting plate 2 descends to the bottommost part, a more stable descending effect is achieved, the pull rod 47 is pulled inwards to drive the sliding plate 40 to slide along the inside of the connecting sleeve 46, the spring 48 is further compressed, meanwhile, the pull rod 47 is separated from the clamping hole 49, then the support rod 41 is pulled upwards, the adjusting rod 44 is further driven to slide upwards along the adjusting sleeve 45, the support rod 41 is moved to a proper height, the corresponding clamping hole 49 is aligned with the pull rod 47, the pull rod 47 is released at the moment, the pull rod 47 is moved outwards under the action of the spring 48, the pull rod 47 is further slid into the clamping hole 49, the adjusting rod 44 is fixed, and meanwhile, the plurality of sliding rods 42 are arranged to slide upwards along the sliding sleeve 43, so that the height adjustment is completed, so as to adapt to the staff with various heights, achieve better practicability and have higher safety effect.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The adjustable lifting platform comprises a fixed frame (1) and is characterized in that buffer pads (5) are fixedly connected to the front and rear parts of the top of the fixed frame (1), lifting mechanisms (3) are fixedly connected to the top of the fixed frame (1), lifting plates (2) are fixedly connected to the surfaces of the lifting mechanisms (3), adjusting mechanisms (4) are fixedly connected to the tops of the lifting plates (2), the lifting mechanisms (3) comprise four threaded blocks (301) and four fixed sleeves (39), the bottoms of the four fixed sleeves (39) are fixedly connected with the four corners of the top of the fixed frame (1), and one side, far away from the fixed sleeves (39), of each threaded block (301) is fixedly connected with the front and rear parts of the left side and the right side of the lifting plates (2).

2. An adjustable lifting platform according to claim 1, wherein the lifting mechanism (3) comprises a motor (31), the bottom of the motor (31) is fixedly connected with the front part of the right side of the bottom of the inner wall of the fixed frame (1), four threaded rods (38) are rotatably connected at four corners of the upper part of the fixed frame (1), the bottom of each threaded rod (38) is fixedly connected with the output end of the motor (31) at the front right side, a first rotating wheel (32) is fixedly connected with the lower part of each threaded rod (38) at the front right side, a second rotating wheel (34) is fixedly connected with the lower part of each threaded rod (38) at the rear right side, triangular belts one (33) are in transmission connection with the surfaces of the two rotating wheels three (35), two triangular belts two (36) are in transmission connection with the surfaces of each two threaded rods three (35) at the front and the rear, and four threaded rods (38) are in transmission connection with the surfaces of the four threaded rods (301) at the middle of the four inner walls of four threaded rods (38).

3. An adjustable lifting platform according to claim 2, wherein the front and rear sides of the four fixing sleeves (39) are provided with sliding grooves (37), the front and rear sides of the four threaded blocks (301) are fixedly connected with sliding blocks (302), and the width of the sliding blocks (302) is consistent with that of the sliding grooves (37).

4. The adjustable lifting platform according to claim 2, wherein the adjusting mechanism (4) comprises a plurality of sliding sleeves (43) and two adjusting sleeves (45), the bottoms of the sliding sleeves (43) are fixedly connected with the top of the fixed frame (1), the inner walls of the sliding sleeves (43) are movably connected with a plurality of sliding rods (42), the tops of the sliding rods (42) are fixedly connected with supporting rods (41), the bottoms of the two adjusting sleeves (45) are fixedly connected with the left and right parts of the rear part of the upper surface of the lifting plate (2), the left and right parts of the bottom of the supporting rods (41) are fixedly connected with two adjusting rods (44), the upper parts of the opposite ends of the two adjusting sleeves (45) are fixedly connected with two connecting sleeves (46), the inner walls of the two connecting sleeves (46) are movably connected with two connecting rods (47), and the surfaces of the two connecting rods (47) are respectively connected with springs (48) in a threaded manner.

5. The adjustable lifting platform as claimed in claim 4, wherein a plurality of clamping holes (49) are formed on opposite surfaces of the two adjusting rods (44) in a linear array, and the diameter of each clamping hole (49) is consistent with the surface diameter of the pull rod (47).

6. An adjustable lifting platform according to claim 4, characterized in that the surfaces of the two pull rods (47) are fixedly connected with sliding plates (40), the surface diameter of the sliding plates (40) is consistent with the inner wall diameter of the connecting sleeve (46), and the surface diameter of the sliding plates (40) is larger than the outer ring diameter of the springs (48).