阅读说明：本技术 一种折臂式液压升降平台 (Folding arm type hydraulic lifting platform ) 是由 不公告发明人 于 2021-07-29 设计创作，主要内容包括：本发明公开了一种折臂式液压升降平台,利用一级支撑臂、二级支撑臂、三级支撑臂和四级支撑臂之间的配合将站立平台推送至合适高度和合适位置进行工作,所述站立平台上表面呈可起到防滑作用的凸起状结构,包括支撑脚,活动设置在所述底座左右两侧,工具柜,固定安装在左侧所述防护门内侧表面,逃生梯,绕卷在所述收卷辊外侧。该折臂式液压升降平台,采用新型的结构设计,使得底座左右两侧的支撑脚位置可以左右改变,从而面对不平整路面时可以适当进行调整,提高整体支撑的稳定性,且在站立平台内部设置逃生梯,在出现故障时操作人员可以及时逃脱,同时在防护门内侧设置工具柜可以将所需使用的工具分类放置,防止出现掉落造成危险。(The invention discloses a folding arm type hydraulic lifting platform, which is characterized in that a standing platform is pushed to a proper height and a proper position to work by utilizing the matching among a primary supporting arm, a secondary supporting arm, a tertiary supporting arm and a quaternary supporting arm, the upper surface of the standing platform is of a convex structure capable of playing a role of skid resistance, the standing platform comprises supporting legs which are movably arranged on the left side and the right side of a base, a tool cabinet which is fixedly arranged on the inner side surface of a protective door on the left side, and an escape ladder which is wound on the outer side of a winding roller. This folding arm formula hydraulic lifting platform adopts neotype structural design for the supporting legs position of the base left and right sides can change about, thereby can suitably adjust in the face of uneven road surface, improves the stability of whole support, and sets up the emergency ladder in the platform inside of standing, and operating personnel can in time escape when breaking down, sets up the instrument cabinet in the guard gate inboard simultaneously and can place the instrument classification of required use, prevents to appear dropping and causes danger.)

1. The utility model provides a roll over arm-type hydraulic lifting platform, utilizes the cooperation between one-level support arm, second grade support arm, tertiary support arm and the level four support arm to carry out work to suitable height and suitable position with the platform propelling movement of standing, the platform upper surface of standing is the protruding column structure that can play the antiskid effect, a serial communication port, includes:

the base is a platform-shaped structure made of a steel structure, and rollers capable of moving the base are arranged on the left side and the right side of the base;

the supporting legs are movably arranged on the left side and the right side of the base, and a saw-toothed structure capable of increasing the ground gripping force is arranged below the supporting legs;

the cab is rotatably arranged on the upper surface of the base and is connected with the lower end of the primary supporting arm;

the protective fence is fixedly arranged at the periphery of the upper surface of the standing platform, and the height of the protective fence is higher than the waist height of a general person;

the protective doors are rotatably arranged at the opening positions at the left side and the right side of the protective fence, and can facilitate operators to enter the standing platform;

the tool cabinet is fixedly arranged on the inner side surface of the protective door on the left side, and tools required by operation can be conveniently classified and stored in the tool cabinet;

the fixed placing groove is arranged at the left side position above the tool cabinet, and a supporting plate capable of upwards supporting the tool is arranged in the fixed placing groove;

the movable placing groove is arranged on the right side of the fixed placing groove, and a partition plate capable of adjusting the space of the movable placing groove is arranged in the movable placing groove;

the winding roller is rotatably arranged on the left side of the upper surface of the standing platform, and fixed gears capable of limiting the rotation of the winding roller are coaxially and fixedly arranged on the left side and the right side of the winding roller;

and the escape ladder is wound outside the winding roller and can be separated from the standing platform in emergency.

2. The folding arm hydraulic lifting platform of claim 1, wherein: the supporting legs are provided with movable blocks capable of driving the supporting legs to move left and right, and the movable blocks and the supporting plates form a sliding structure through sliding grooves.

3. The folding arm hydraulic lifting platform of claim 2, wherein: the connecting rod is installed in the inboard surface rotation of movable block, just the connecting rod other end rotates and is provided with sharp slider.

4. The folding arm hydraulic lifting platform of claim 3, wherein: the linear sliding block and the base form a sliding structure through a transverse screw rod, a worm wheel is coaxially and fixedly arranged at the top end of the transverse screw rod, and the worm wheel and the worm form an engagement structure.

5. The folding arm hydraulic lifting platform of claim 1, wherein: the fixed gear and the lower clamping rack form a meshing structure, and the clamping rack and the standing platform form an elastic structure through an extrusion spring.

6. The folding arm hydraulic lifting platform of claim 1, wherein: the partition board and the movable placing groove form a dismounting and mounting structure through a mounting groove, and the volume of the movable placing groove is larger than that of the fixed placing groove.

7. The folding arm hydraulic lifting platform of claim 1, wherein: the supporting plate and the fixed placing groove form a lifting structure through a longitudinal screw rod, and a magnetic gasket with the same area as the supporting plate is fixedly arranged on the upper surface of the supporting plate.

8. The folding arm hydraulic lifting platform of claim 7, wherein: the lower end of the longitudinal screw rod is coaxially and fixedly provided with a driven helical gear, and the driven helical gear and the driving helical gear form an engagement structure.

Technical Field

The invention relates to the technical field of lifting platforms, in particular to a folding arm type hydraulic lifting platform.

Background

Lifting platform is a multi-functional jack-up loading and unloading mechanical equipment, can divide into fixed and portable: the movable type is divided into a straight arm type, a crank arm type, a scissor type, a mast type, an aluminum alloy lifting platform and a telescopic cylinder type: the fixed type is provided with a scissor fork type, a guide rail type lifting platform, a chain type lifting platform, a loading and unloading platform, an attached type electric construction platform and the like.

The folding arm type hydraulic lifting platform is a hydraulic lifting tool for lifting and conveying people or goods in a 360-degree rotating mode, and the folding arm type lifter has the advantages of being convenient to move, simple to operate, large in working area, good in balance performance and the like, is convenient to operate and use, and is widely applied to industries and fields needing to work high above the ground, such as stations, wharfs, public buildings and the like.

But in actual use, lift platform's supporting legs position generally can not remove, when meetting uneven road surface, often can't accomplish every supporting legs and can effectively support, so probably influence holistic support stability, and when wholly breaking down and can't withdrawing, the operating personnel of the platform top of standing can't break away from in time, can appear the danger of removing, need use various instruments simultaneously when the operation, lean on the operating personnel to hand or put the condition that appears dropping easily on the platform of standing, cause danger to the below personnel.

Disclosure of Invention

The invention aims to provide a folding arm type hydraulic lifting platform to solve the problems that the position of a supporting leg cannot be changed in the background technology, so that the supporting is unstable, an operator cannot escape due to failure, and a tool is easy to fall off.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a roll over arm-type hydraulic lifting platform, utilizes the cooperation between one-level support arm, second grade support arm, tertiary support arm and the level four support arm to carry out work to suitable height and suitable position with the platform propelling movement of standing, the platform upper surface of standing is the protruding column structure that can play the antiskid effect, includes:

the base is a platform-shaped structure made of a steel structure, and rollers capable of moving the base are arranged on the left side and the right side of the base;

the supporting legs are movably arranged on the left side and the right side of the base, and a saw-toothed structure capable of increasing the ground gripping force is arranged below the supporting legs;

the cab is rotatably arranged on the upper surface of the base and is connected with the lower end of the primary supporting arm;

the protective fence is fixedly arranged at the periphery of the upper surface of the standing platform, and the height of the protective fence is higher than the waist height of a general person;

the protective doors are rotatably arranged at the opening positions at the left side and the right side of the protective fence, and can facilitate operators to enter the standing platform;

the tool cabinet is fixedly arranged on the inner side surface of the protective door on the left side, and tools required by operation can be conveniently classified and stored in the tool cabinet;

the fixed placing groove is arranged at the left side position above the tool cabinet, and a supporting plate capable of upwards supporting the tool is arranged in the fixed placing groove;

the movable placing groove is arranged on the right side of the fixed placing groove, and a partition plate capable of adjusting the space of the movable placing groove is arranged in the movable placing groove;

the winding roller is rotatably arranged on the left side of the upper surface of the standing platform, and fixed gears capable of limiting the rotation of the winding roller are coaxially and fixedly arranged on the left side and the right side of the winding roller;

and the escape ladder is wound outside the winding roller and can be separated from the standing platform in emergency.

Preferably, the movable block capable of driving the movable block to move left and right is arranged above the supporting leg, the movable block and the supporting plate form a sliding structure through a sliding groove, and the movable block slides left and right in the sliding groove formed in the supporting plate below the movable block to drive the supporting leg below to change the position, so that the supporting leg can adapt to uneven road surfaces.

Preferably, the connecting rod is installed in the side surface rotation in the movable block, just the connecting rod other end rotates and is provided with sharp slider, and the sharp slider through both sides around can drive the connecting rod and take place to rotate in opposite directions to utilize the connecting rod to promote the movable block horizontal slip.

Preferably, the linear sliding block and the base form a sliding structure through a transverse screw rod, a worm wheel is coaxially and fixedly arranged at the top end of the transverse screw rod, the worm wheel and the worm form an engagement structure, the worm is driven to rotate through an internal motor, so that the worm wheel which is engaged and connected with the worm is driven to rotate, and the linear sliding block on the outer side of the linear sliding block is driven to rotate to move oppositely.

Preferably, the fixed gear and the lower clamping rack form a meshing structure, the clamping rack and the standing platform form an elastic structure through an extrusion spring, the clamping rack and the fixed gear are located at a meshing position through pushing of the extrusion spring to the clamping rack, and therefore the winding roller is limited in rotation, and otherwise, after the clamping rack is pushed outwards, the escape ladder on the outer side of the winding roller can be put down through rotation of the winding roller.

Preferably, the partition board and the movable placing groove form a dismounting and mounting structure, the volume of the movable placing groove is larger than that of the fixed placing groove, the size of the inner space of the movable placing groove can be changed by placing the partition board into the mounting grooves at different positions, and therefore tools with different sizes can be placed.

Preferably, the supporting plate and the fixed placing groove form a lifting structure through a longitudinal screw rod, the upper surface of the supporting plate is fixedly provided with magnetic gaskets with the same area as the upper surface of the supporting plate, tools such as screws are placed in the fixed placing groove, and the magnetic gaskets on the supporting plate are used for adsorbing the tools to prevent random movement.

Preferably, the coaxial fixed driven helical gear that is provided with of vertical lead screw lower extreme, just driven helical gear and the meshing structure of initiative helical gear constitution drive inside helical gear through outside rotation button and take place to rotate to make the driven helical gear synchronous revolution who is connected with it meshing, drive vertical lead screw and rotate and with layer board rebound, thereby hold up the bottom screw, conveniently take.

Compared with the prior art, the invention has the beneficial effects that: this folding arm formula hydraulic lifting platform adopts neotype structural design for the supporting legs position of the base left and right sides can change about, thereby can suitably adjust in the face of uneven road surface, improves the stability of whole support, and sets up the emergency ladder in the platform inside of standing, and operating personnel can in time escape when breaking down, sets up the instrument cabinet in the guard gate inboard simultaneously and can place the instrument classification of required use, prevents to appear dropping and causes danger.

1. The movable block, the supporting plate, the connecting rod, the linear slider and the transverse screw rod are matched for use, the linear slider on the outer side can be driven to move back and forth through rotation of the transverse screw rod, so that the connecting rod is utilized to drive the movable block to slide left and right above the supporting plate, the position of the supporting leg below is changed, and more stable supporting can be carried out when the movable block faces uneven road surfaces.

2. The cooperation between wind-up roll, emergency ladder, fixed gear, block rack and the extrusion spring is used, when breaking down and can't withdrawing, can remove the block rack to both sides, makes it break away from the meshing with the fixed gear to can rotate the wind-up roll and put down the emergency ladder, make operating personnel can in time flee from the platform of standing.

3. The cooperation between tool cabinet, baffle, layer board, vertical lead screw, driven helical gear and the initiative helical gear is used, utilizes the baffle to separate into a plurality of spaces with the activity standing groove to the space size can change, can drive the driven helical gear who is connected with it meshing simultaneously through the rotation of initiative helical gear and rotate, thereby makes vertical lead screw drive layer board rebound, holds up the instrument of bottom, conveniently takes.

Drawings

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

FIG. 2 is a schematic top view of a cross-sectional structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic top view of a standing platform according to the present invention;

FIG. 5 is a schematic side view of the wind-up roll of the present invention;

FIG. 6 is a schematic side view of the protective door of the present invention;

FIG. 7 is a schematic top view of the tool cabinet of the present invention;

fig. 8 is a schematic view of a partial front sectional structure of the tool cabinet of the present invention.

In the figure: 1. a base; 2. supporting legs; 3. a cab; 4. a primary support arm; 5. a secondary support arm; 6. a tertiary support arm; 7. a four-stage support arm; 8. a standing platform; 9. a protective fence; 10. a protective door; 11. a tool cabinet; 12. fixing the placing groove; 13. a movable placing groove; 14. a wind-up roll; 15. an escape ladder; 16. a movable block; 17. a support plate; 18. a sliding groove; 19. a connecting rod; 20. a linear slider; 21. a transverse screw rod; 22. a worm gear; 23. a worm; 24. fixing a gear; 25. clamping the rack; 26. a compression spring; 27. mounting grooves; 28. a partition plate; 29. a support plate; 30. a longitudinal screw rod; 31. a driven helical gear; 32. and driving the helical gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a roll over arm-type hydraulic lifting platform, utilizes the cooperation between one-level support arm 4, second grade support arm 5, tertiary support arm 6 and the level four support arm 7 to carry out work with 8 propelling movement of platform of standing to suitable height and suitable position, and 8 upper surfaces of platform of standing are the protruding column structure that can play the antiskid effect, include:

the base 1 is a platform-shaped structure made of a steel structure, and rollers capable of moving the base 1 are arranged on the left side and the right side of the base 1;

the supporting legs 2 are movably arranged on the left side and the right side of the base 1, and a saw-toothed structure capable of increasing the ground grabbing force is arranged below the supporting legs 2;

the cab 3 is rotatably arranged on the upper surface of the base 1, and the cab 3 is connected with the lower end of the primary supporting arm 4;

the protective fence 9 is fixedly arranged at the periphery of the upper surface of the standing platform 8, and the height of the protective fence 9 is higher than the waist height of a common person;

the protective doors 10 are rotatably arranged at the opening positions at the left side and the right side of the protective fence 9, and the protective doors 10 can facilitate operators to enter the standing platform 8;

the tool cabinet 11 is fixedly arranged on the inner side surface of the left protective door 10, and the tool cabinet 11 is convenient for classifying and storing tools required by operation;

a fixed placing groove 12 arranged at the left side position above the tool cabinet 11, wherein a supporting plate 29 capable of upwards supporting the tool is arranged in the fixed placing groove 12;

a movable placing groove 13 arranged at the right side of the fixed placing groove 12, wherein a partition plate 28 capable of adjusting the space of the movable placing groove 13 is arranged in the movable placing groove;

the winding roller 14 is rotatably arranged on the left side of the upper surface of the standing platform 8, and the fixed gears 24 capable of limiting the rotation of the winding roller 14 are coaxially and fixedly arranged on the left side and the right side of the winding roller 14;

and the escape ladder 15 is wound outside the winding roller 14, and the escape ladder 15 can be separated from the standing platform 8 in an emergency.

Supporting legs 2 top is provided with can drive its and remove the movable block 16 that removes, and movable block 16 passes through sliding tray 18 and backup pad 17 constitution sliding structure, and the inboard surface rotation of movable block 16 installs connecting rod 19, and the connecting rod 19 other end rotates and is provided with sharp slider 20, and sharp slider 20 passes through horizontal lead screw 21 and base 1 constitution sliding structure, and the coaxial fixed worm wheel 22 that is provided with in horizontal lead screw 21 top to worm wheel 22 constitutes the engagement structure with worm 23.

When the device is used, firstly a driver enters a cab 3 to open the whole device to a use position, then a motor in a base 1 is controlled to drive a worm 23 to rotate according to the ground flatness condition of the position, so that a worm wheel 22 meshed and connected with the worm wheel 22 synchronously rotates, the worm wheel 22 drives a transverse screw rod 21 to rotate simultaneously, the transverse screw rod 21 drives linear sliders 20 on the front side and the rear side of the outer side of the transverse screw rod to synchronously move in opposite directions, a connecting rod 19 on the side surface rotates to push an external movable block 16 to slide left and right in a sliding groove 18 formed in a supporting plate 17 below, so that a supporting leg 2 below the transverse screw rod is driven to move in a relatively flat position for supporting, the supporting stability on an uneven road surface is improved, then an operator opens a protective door 10 to enter a standing platform 8, and then pushes a primary supporting arm 4, a secondary supporting arm and a secondary supporting arm through a hydraulic device, The secondary support arm 5, the tertiary support arm 6 and the quaternary support arm 7 are matched to rotate, and the standing platform 8 and an operator are conveyed to an operation position, so that the operator can perform a series of machining operations.

The fixed gear 24 and the lower engaging rack 25 form an engaging structure, and the engaging rack 25 and the standing platform 8 form an elastic structure through the extrusion spring 26.

When the whole device fails and the supporting arm cannot be retracted, an operator on the standing platform 8 firstly pushes the clamping racks 25 towards the left side and the right side to enable the clamping racks 25 to be disengaged from the fixed gear 24, at the moment, the escape ladder 15 on the outer side of the winding roller 14 falls downwards under the action of self gravity, after the escape ladder falls to the ground, the clamping racks 25 are loosened, the escape ladder is pushed back to the original position under the action of the extrusion spring 26 to form clamping with the fixed gear 24 again, so that the rotation of the winding roller 14 is limited, and then the operator descends to the ground by utilizing the escape ladder 15.

The partition plate 28 and the movable placing groove 13 form a dismounting and mounting structure through the mounting groove 27, the volume of the movable placing groove 13 is larger than that of the fixed placing groove 12, the supporting plate 29 and the fixed placing groove 12 form a lifting structure through the longitudinal screw rod 30, the upper surface of the supporting plate 29 is fixedly provided with a magnetic gasket with the same area as that of the supporting plate, the lower end of the longitudinal screw rod 30 is coaxially and fixedly provided with the driven helical gear 31, and the driven helical gear 31 and the driving helical gear 32 form an engaging structure.

After the operator stands the platform 8, put into the activity standing groove 13 inside the instrument that will need to use (according to the concrete size condition of instrument put into the mounting groove 27 of suitable position with baffle 28 in the middle of the instrument, change the inside space size of activity standing groove 13, can place not unidimensional instrument), and put into fixed standing groove 12 inside the screw that will need to use, the screw can not take place random removal under the absorption of the magnetic gasket of layer board 29 upper surface, when the screw piece has been used up, rotate the outside rotation button of fixed standing groove 12 front side, drive inside initiative helical gear 32 and take place the rotation, thereby make the driven helical gear 31 of being connected with it meshing follow the rotation, make vertical lead screw 30 rotate with layer board 29 rebound, upwards support the remaining screw in bottom to the border position, thereby conveniently take the screw.

The working principle is as follows: when the device is used, according to the structures shown in figures 1-8, the device is firstly moved to a position to be used as a whole, then the supporting legs 2 at the left side and the right side of the base 1 are moved by utilizing the internal transmission device according to the terrain, and are supported after reaching the relatively flat position, so that the overall supporting stability of the device can be improved, and an escape ladder 15 inside the standing platform 8 can be utilized to enable an operator to leave in time when a fault occurs, meanwhile, the tool cabinet 11 is arranged inside the standing platform 8 and can be used in a classified mode, so that tools falling from the upper side in the operation process are avoided, and certain danger to the lower personnel is avoided, and the working principle of the folding arm type hydraulic lifting platform is realized.

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.