CN221296057U - Fixed manual lifting platform - Google Patents

Abstract

The utility model provides a fixed manual lifting platform which comprises a base and a working table surface, wherein the base is fixed on the ground, a rectangular groove is formed in the upper surface of the base, a guide groove and a mounting hole are formed in the base, a transverse connecting rod is arranged in the guide groove, a scissor assembly is arranged on the transverse connecting rod and the mounting hole and symmetrically arranged in the base, the scissor assembly is connected in an X-shaped mode, a lower scissor assembly is connected with the base, the upper end of the upper scissor assembly is connected to a supporting seat, the size, the shape and the structure of the supporting seat are the same as those of the base, the supporting seat is connected with the working table surface, two movable rods are arranged at the joint of the upper scissor assembly and the lower scissor assembly, a through hole is formed in the middle of the movable rods, threads are arranged in the through hole, a rotating rod is arranged in the through hole, the rotating rod is connected with the movable rod through threads, and the rotating rod is in rolling connection with the other movable rod. The utility model can meet the requirements of occasions incapable of working by adopting a power supply on the lifting platform and improve the applicability of the lifting platform.

Description

Fixed manual lifting platform

Technical Field

The utility model belongs to the field of fixed lifting platforms, and particularly relates to a fixed manual lifting platform.

Background

The lifting platform is a lifting machine for vertically conveying people or objects. Also means equipment for vertical transportation in logistics systems such as factories and automatic warehouses, and various plane transportation equipment is often arranged on the lifting platform as a connecting device of transportation lines with different heights.

The traditional lifting platform is mostly used in the aspects of industry, construction, traffic, overhead operation and the like, and is not suitable for common household life or market sales; in addition, the conventional lifting platform mechanism is mostly driven by a hydraulic lifting system, and the hydraulic lifting system needs a hydraulic cylinder and a liquid pump, so that the lifting platform mechanism is only suitable for industry and can cause noise and pollution indoors. Accordingly, there is a need for an improved manual lifting platform that overcomes the above-described drawbacks.

Disclosure of utility model

Aiming at the defects of the existing fixed lifting platform, the utility model aims to provide a fixed manual lifting platform which is reasonable in design, safe and reliable, meets the requirements of areas lacking power sources or special occasions which can not work by adopting power sources on the lifting platform, and improves the applicability of the lifting platform.

In order to solve the technical problems, the technical scheme adopted by the utility model is that the fixed manual lifting platform comprises a base and a workbench surface, wherein the base is arranged on the ground, a rectangular groove is formed in the upper surface of the base, two guide grooves are formed in the protruding portions on two sides of the base in parallel, a mounting hole is formed in the rear of the guide groove, the mounting hole and the guide grooves are arranged on the same horizontal line, a transverse connecting rod is arranged in the guide groove, a shearing fork assembly is arranged on the transverse connecting rod and the mounting hole, the shearing fork assembly is symmetrically arranged in the groove of the base, the shearing fork assembly is divided into an upper shearing fork assembly and a lower shearing fork assembly, the shearing fork assembly is connected in an X shape, the lower shearing fork assembly is connected with the base, the upper end of the upper shearing fork assembly is connected with a supporting seat, the supporting seat is identical in size and shape with the base, the same guide groove, the mounting hole and the transverse connecting rod are arranged on the supporting seat, two moving rods are arranged at the joint of the upper shearing fork assembly and the lower shearing fork assembly, a through hole is arranged in the middle of the moving rod far away from the guide groove, a thread is arranged in the through hole, a rotating rod is arranged in the through hole, the rotating rod is arranged in the rotating rod, the rotating rod is connected with the moving rod far away from the guide groove through the rotating rod and the rotating rod is connected with the moving rod near the guide groove.

Preferably, the lower surface of the working table is a concave plane, a pinion shaft is arranged on the lower surface of the working table and is arranged at the center of the working table, the pinion shaft penetrates through the working table, a rotary disk is arranged at the upper end of the pinion shaft, a large gear matched with the pinion is fixedly arranged on the upper surface of the supporting seat, and the large gear is meshed with the pinion on the pinion shaft.

Preferably, a sliding rail is arranged on the working table surface, a limiting block is arranged on the sliding rail, a sliding block is arranged on the sliding rail, the sliding block is fixed on an extending plate, and casters with brakes are arranged on the lower surface of the extending plate.

Preferably, the safety guardrails are arranged around the working table surface, the safety guardrails extending out of the moving direction of the plate are telescopic guardrails, and the rollers are arranged below the telescopic guardrails.

Preferably, the end of the rotating rod is provided with a rotating seat with a handle.

Preferably, round holes matched with the rotating rods are formed in the base and the supporting seat.

Compared with the prior art, the movable lifting platform has the advantages and positive effects that the scissor type assembly is matched with the rotating rod for use, the rotating rod is used for driving the scissor type assembly to move, the movable lifting platform can be used in occasions without power, the flexibility of the fixed lifting platform is improved, the complexity of the lifting platform is reduced, the large gear on the upper surface of the supporting seat is meshed with the small gear shaft in the working table, the small gear is controlled to rotate around the large gear through the rotating disc on the upper end of the small gear shaft, so that rotation between the working table and the supporting seat is achieved, the flexibility of the working table is improved, the working range of people on the working table is increased, the movable extending plate is arranged on the working table, the working range of the people on the working table is further increased, the safety guardrails are arranged around the working table, the safety rails on the working table are guaranteed, meanwhile, the safety rails in the extending plate direction are telescopic guardrails, the working staff can drag the telescopic guardrails according to actual requirements, and the rollers are arranged below the telescopic guardrails, so that the working staff can drag.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a top view of a stationary manual lift platform;

FIG. 2 is a right side view of the stationary manual lift platform;

FIG. 3 is a schematic view of a work platform rotation;

FIG. 4 is a schematic view of a travel bar;

FIG. 5 is a rear view of the stationary manual lift platform;

FIG. 6 is a schematic view of an extension plate;

In the figures, 1, a base; 11. a guide groove; 12. a mounting hole; 13. a transverse connecting rod; 2. a work table; 21. a pinion shaft; 22. a rotating disc; 23. a slide rail; 231. a limiting block; 24. a slide block; 25. a protruding plate; 26. casters with brakes; 3. a scissors assembly; 31. an upper scissor assembly; 32. a lower scissor assembly; 33. a hinge; 4. a support base; 41. a large gear; 5. a moving rod; 51. a through hole; 6. a rotating lever; 61. a rotating seat with a handle; 7. a safety barrier; 71. a retractable guard rail; 711. a roller; 8. and a round hole.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5 and 6, the embodiment of the present invention is a fixed manual lifting platform, which includes a base 1 and a table top 2, wherein the base 1 is disposed on the ground, and the base 1 is rectangular, although other shapes may be also disposed.

The size and shape of the table top 2 may be the same as those of the base 1, and of course, other shapes may be provided.

In order to ensure that the lifting platform cannot displace during operation, in this embodiment, the base 1 is fixed on the ground, so that the safety of the staff on the working table 2 is ensured.

In order to connect the base 1 and the scissor assembly 3, the scissor assembly 3 is guaranteed to move only in a specified direction, in the embodiment, a rectangular groove is formed in the upper surface of the base 1, two guide grooves 11 are formed in the protruding portions on two sides of the base 1 in parallel, a mounting hole 12 is formed in the rear of each guide groove 11, each mounting hole 12 and each guide groove 11 are arranged on the same horizontal line, a transverse connecting rod 13 is arranged in each guide groove 11, the scissor assembly 3 is arranged on each transverse connecting rod 13 and each mounting hole 12, the guide grooves 11 and the mounting holes 12 are arranged on the same horizontal line, the subsequently-installed scissor assemblies 3 are guaranteed to be in a horizontal state, the horizontal state of the workbench surface 2 is guaranteed, the scissor assembly 3 can only move in the specified direction through the transverse connecting rods 13 in the guide grooves 11 and the mounting holes 12 in the base 1 and the scissor assembly 3, and the stability of the movement of the lifting mechanism is guaranteed.

In order to ensure that the scissor assembly 3 realizes the lifting function, in the embodiment, the scissor assembly 3 is symmetrically arranged in the groove of the base 1, and the symmetrical design of the scissor assembly 3 ensures that the stress of the base 1 and the supporting seat 4 is more balanced, so that the running stability of the supporting seat 4 is ensured; the scissor assembly 3 is divided into an upper scissor assembly 313 and a lower scissor assembly 323, the split design enables the whole scissor assembly 3 to be manufactured and installed more conveniently, and meanwhile, the scissor assembly 3 has the advantages of being capable of being folded easily, small in occupied space and stable in folding structure in the lifting process; the scissors assemblies 3 are connected in an X-shaped manner, the middle parts of the scissors assemblies 3 are connected through hinges 33, and the arrangement of the hinges 33 enables the scissors assemblies 3 to be connected more reliably, so that the scissors assemblies 3 are allowed to rotate relatively; the lower scissor assembly 323 is connected with the base 1, the upper end of the upper scissor assembly 313 is connected to the supporting seat 4, and the base 1 and the supporting seat 4 are connected through the upper and lower scissor assemblies 323, so that the structure is more reliable, and meanwhile, the supporting seat 4 is lifted.

In order to reduce the occupation area and increase the safety of the lifting platform, in the embodiment, the size and the shape of the supporting group are the same as those of the base 1, the supporting seat 4 is provided with the guide groove 11, the mounting hole 12 and the transverse connecting rod 13 which are the same as those of the base 1, the structure, the shape and the size of the supporting seat 4 are the same as those of the base 1, the manufacturing process of the supporting seat 4 is the same as those of the base 1, the manufacturing machine utilization rate is further higher, the manufacturing cost is reduced, meanwhile, the base 1 can be fully referred to by the installation of the supporting seat 4, when the scissor assembly 3 is retracted, the base 1 and the supporting seat 4 can be better contacted, the occupation area is reduced, and when the scissor assembly 3 is lifted, the eccentric inclination phenomenon cannot occur due to the fact that the supporting seat 4 is the same as the base 1, and the lifting platform is safer.

In order to transmit the lifting of the supporting seat 4 to the working table surface 2, in the embodiment, the supporting seat 4 is connected with the working table surface 2, so that the lifting of the supporting seat 4 can drive the lifting of the working table, the stress is more uniform, the thickness of the working table surface 2 is increased, and the bearing capacity of the working table surface 2 is increased, so that the working personnel on the working table surface 2 are safer.

In order to solve the problem that lifting of the scissor assembly 3 is achieved under the condition that a power supply is not used, in the embodiment, two moving rods 5 are arranged at the joint of the upper scissor assembly 313 and the lower scissor assembly 323, a through hole 51 is formed in the middle of each moving rod 5, threads are arranged in each moving rod 5 through hole 51 far away from the guide groove 11, a rotating rod 6 is installed in each through hole 51, each rotating rod 6 is in threaded connection with each moving rod 5 far away from the guide groove 11, each rotating rod 6 is in rolling connection with each moving rod 5 close to the guide groove 11, the two moving rods 5 are arranged, left and right movement of the scissor assembly 3 is limited, the phenomenon that the scissor assembly 3 does not shake left and right in the lifting process is guaranteed, meanwhile, the rotating rod 6 is in threaded connection with the moving rods 5, rotation of the rotating rod 6 is converted into power for lifting and descending of the scissor assembly 3, lifting of the scissor assembly 323 under the condition that the power supply is not used is achieved, equipment is safer, meanwhile, the moving rods 5 far away from the guide groove 11 in threaded connection with the rotating rod 6 are ejected or the rotating rod 6 are in threaded connection with the rotating rod 6, lifting of the moving rod 5, and the lifting of the scissor assembly 3 is achieved, and the lifting of the final working table surface 2 is achieved.

In order to increase the working range of the staff on the working table 2, in this embodiment, the lower surface of the working table 2 is a concave plane, a pinion shaft 21 is arranged on the lower surface of the working table 2, the pinion shaft 21 is arranged at the center of the working table 2, the pinion shaft 21 penetrates through the working table 2, a rotating disc 22 is arranged at the upper end of the pinion shaft 21, a large gear 41 matched with the pinion is fixedly arranged on the upper surface of the supporting seat 4, and the large gear 41 is meshed with the pinion on the pinion shaft 21. The arrangement of the concave plane is equivalent to sealing the big gear and the small gear, so that the possibility of sundries entering the concave plane in the using process is reduced, the abrasion of the gears is reduced, the aesthetic property of the equipment is improved, the possibility of hurting people due to the meshing of the gears is reduced, and the safety of the equipment is improved; the rotation of the small gear around the large gear 41 is driven by the rotary disk 22, so that the rotation between the workbench surface 2 and the supporting surface is realized, and the working range of workers is enlarged; the rotary disk 22 is arranged in the center of the working table surface 2, so that the working table surface 2 is stressed more uniformly when rotating, and meanwhile, when the working table surface 2 is rotated each time, a worker must go to the center of the working table surface 2, thereby increasing the safety of operation.

In order to further increase the operation range of the staff, in this embodiment, a sliding rail 23 is installed on the working table 2, a limiting block 231 is installed on the sliding rail 23, a sliding block 24 is provided on the sliding rail 23, the sliding block 24 is fixed on an extending plate 25, and a caster 26 with a brake is installed on the lower surface of the extending plate 25. The cooperation of the slide rail 23 and the slide block 24 enables the extending plate 25 to automatically adjust the extending length according to the actual demands of workers, so that the flexibility of the lifting platform is improved, meanwhile, the operation of continuously moving the lifting platform is avoided, the working efficiency is greatly improved, meanwhile, the extending plate 25 is easier to move due to the caster 26 with the brake on the one hand, the supporting function is achieved, the caster can be locked on the other hand, the extending plate 25 is prevented from moving continuously during working, and the safety of the extending plate 25 is improved; the setting of stopper 231 for the board 25 that stretches out can not surpass the limit position in the process of stretching out, avoids stretching out the dropping of board 25, further promotes the security of stretching out board 25.

In order to prevent the phenomenon that staff or object takes place to fall on table surface 2, in this embodiment, table surface 2 installs safety barrier 7 all around, stretch out the safety barrier 7 of board 25 direction of movement and be scalable guardrail 71, install gyro wheel 711 under the scalable guardrail 71, the setting of safety barrier 7 makes staff and object can not take place to fall in-process that rises and descends, the security of equipment has been increased, simultaneously because actual working demand, need the workman to use stretch out board 25 or need carry the object, therefore set up scalable guardrail 71, further increased the flexibility of equipment, make things convenient for the staff about and carry the object, the setting of gyro wheel 711 makes the staff drag scalable guardrail 71 more laborsaving simultaneously, can adjust scalable guardrail 71's position by oneself according to actual demand.

In order to facilitate the rotation of the rotating rod 6 by the staff, in this embodiment, the rotating seat 61 with a handle is arranged at the tail end of the rotating rod 6, the torque is transmitted to the rotating rod 6 by the arrangement of the rotating seat, the rotating rod 6 is driven to rotate together, and meanwhile, the arrangement of the handle facilitates the rotation of the staff.

In order to enable the scissor assembly 3 to be completely retracted into the cavity between the base 1 and the supporting seat 4, in the embodiment, round holes 8 matched with the rotating rods 6 are formed in the base 1 and the supporting seat 4, and the round holes 8 provide places for the rotating rods 6 to be placed, so that the scissor assembly 3 can completely enter the cavity, and equipment placement is facilitated.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (7)

1. The utility model provides a fixed manual lift platform, includes base, table surface, the base sets up subaerial, the base upper surface is provided with rectangular recess, base both sides wall parallel arrangement has two guide slots, be provided with the mounting hole behind the guide slot, the mounting hole is on same horizon with the guide slot, be provided with the transverse connection pole in the guide slot, install on transverse connection pole and the mounting hole and cut the fork subassembly, cut fork subassembly symmetry setting in the base recess, it is "X" type to cut the fork subassembly and connect, cut the middle hinged joint that passes through of fork subassembly, its characterized in that, it is divided into to cut the fork subassembly and cut the fork subassembly down, cut the fork subassembly and be connected with the base down, it is connected with table surface to go up to cut fork subassembly upper end, it is provided with two movable rods to go up to cut fork subassembly and lower fork subassembly junction, be provided with the through-hole in the movable rod middle, keep away from the movable rod through-hole of guide slot in be provided with the screw thread, install the dwang in the through-hole, the dwang with keep away from the movable rod of guide slot through threaded connection, the dwang is close to the dwang with the movable rod that rolls the guide slot.

2. The fixed manual lifting platform according to claim 1, wherein a supporting seat is arranged below the working table surface, the supporting seat is identical to the base in size and shape, a guide groove, a mounting hole and a transverse connecting rod which are identical to the base are arranged on the supporting seat, and the supporting seat is connected with the upper end of the upper scissor assembly.

3. The fixed manual lifting platform according to claim 2, wherein the lower surface of the working table is a concave plane, a pinion shaft is arranged on the lower surface of the working table, the pinion shaft is arranged at the center of the working table, the pinion shaft penetrates through the working table, a rotary disk is arranged at the upper end of the pinion shaft, a large gear matched with the pinion is fixedly arranged on the upper surface of the supporting seat, and the large gear is meshed with the pinion on the pinion shaft.

4. The fixed manual lifting platform according to claim 3, wherein a sliding rail is mounted on the working table surface, a limiting block is mounted on the sliding rail, a sliding block is arranged on the sliding rail, the sliding block is fixed on an extending plate, and casters with brakes are mounted on the lower surface of the extending plate.

5. The fixed manual lifting platform according to claim 4, wherein safety guardrails are installed around the working table surface, the safety guardrails extending in the moving direction of the plate are telescopic guardrails, and rollers are installed below the telescopic guardrails.

6. The stationary manual lifting platform of claim 5, wherein the swivel rod end is provided with a swivel seat with a handle.

7. The fixed manual lifting platform according to claim 1 or 6, wherein round holes matched with the rotating rods are formed in the base and the supporting seat.