CN215974841U

CN215974841U - Hoist that stability is high elevating platform for inspection

Info

Publication number: CN215974841U
Application number: CN202122367929.6U
Authority: CN
Inventors: 付俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-03-08
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to the technical field of equipment detection, in particular to a lifting workbench with high stability for crane inspection, which comprises a bottom plate, wherein a lifting frame, a hydraulic column, a first transmission wheel and a second transmission wheel are arranged at the upper end of the bottom plate, a lifting platform is arranged on the outer surface of the inner side of the lifting frame, a high-strength spring is arranged at the upper end of the hydraulic column, a cushion block is arranged at the lower end of the high-strength spring, inertia generated in the descending process of the lifting platform is favorably weakened by arranging the hydraulic column and the high-strength spring below the lifting platform, and the device is conveniently supported by a supporting underframe when running through the first transmission wheel, the second transmission wheel, a stepping motor, a screw rod, a limiting block, the supporting underframe and a bearing seat, so that the universal wheel assembly can be effectively prevented from being damaged due to compression.

Description

Hoist that stability is high elevating platform for inspection

Technical Field

The utility model relates to the technical field of equipment detection, in particular to a lifting workbench for crane detection with high stability.

Background

The mobile crane is a common machine in a building construction site, and has the characteristic of high maneuverability, so the mobile crane has wide application; however, as field managers do not provide complete safety and sanitation facilities fully and the crane does not perform safety detection for a long time, the construction of workers in a high-risk environment is promoted, accidents are caused, and as large-scale hoisting machinery in China is gradually applied to production and engineering construction, the inspection work of the existing hoisting machinery is more and more daily.

The lifting workbench for crane inspection is a large crane due to the fact that the detected target is borne by the bottom roller when the lifting workbench operates, so that the lifting workbench is poor in stability when lifted, and parts of the lifting workbench are likely to be loosened due to large vibration generated by inertia when the lifting platform descends to contact with the bottom plate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lifting workbench for crane inspection with high stability so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a hoist elevating platform for inspection that stability is high, includes the bottom plate, the upper end of bottom plate is provided with crane, hydraulic pressure post, first drive wheel and second drive wheel, the inboard surface of crane is provided with lift platform, the upper end of hydraulic pressure post is provided with high strength spring, high strength spring's lower extreme is provided with the cushion, the side surface of first drive wheel and second drive wheel is provided with the drive belt, the lower extreme of first drive wheel is provided with step motor, the upper end of second drive wheel is provided with the lead screw, the upper end of lead screw is provided with the stopper, the lower extreme of lead screw is provided with the support chassis, the lower extreme of bottom plate is provided with universal wheel subassembly.

As a preferable scheme of the utility model, the lifting platform is movably connected with the lifting frames, the lifting frames are arranged in two groups and are symmetrically arranged, and the hydraulic columns are fixedly connected with the bottom plate.

According to the preferable scheme of the utility model, the high-strength springs are fixedly connected with the hydraulic columns and the cushion blocks, the hydraulic columns, the high-strength springs and the cushion blocks are all in a plurality of groups, and the lifting platform is movably connected with the cushion blocks.

As a preferable scheme of the present invention, the first driving wheels, the second driving wheels and the bottom plate are rotatably connected, the number of the second driving wheels is two, the second driving wheels are symmetrically arranged, and the driving belts are engaged with the first driving wheels and the second driving wheels.

As a preferable scheme of the present invention, a driving end of the stepping motor penetrates through the bottom plate and is fixedly connected with the first driving wheel, the lead screw is connected with the bottom plate and the second driving wheel in a threaded manner, and a bearing seat is arranged at a connection position of the lead screw and the supporting underframe.

According to the preferable scheme of the utility model, the connection mode of the limiting blocks and the screw rods is fixed connection, the screw rods are rotationally connected with the supporting underframe through the bearing seats, and the screw rods, the limiting blocks and the bearing seats are two groups and are symmetrically arranged.

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

1. according to the utility model, the hydraulic column and the high-strength spring are arranged below the lifting platform, so that when the lifting platform is lifted up and lowered down by the lifting frame, the lifting platform is supported by the hydraulic column and the high-strength spring, the inertia generated in the lowering process of the lifting platform can be weakened, the lifting platform is prevented from directly falling on the bottom plate to generate large vibration, parts of the device are prevented from loosening, and the service life of the device can be effectively prolonged.

2. According to the utility model, the first driving wheel, the second driving wheel, the stepping motor, the lead screw, the limiting block, the supporting underframe and the bearing seat are beneficial to the motor to drive the lead screw to rotate through the first driving wheel, the second driving wheel and the driving belt, so that the supporting underframe is beneficial to being folded and unfolded, the device is convenient to bear and support through the supporting underframe when the device runs, the universal wheel assembly can be effectively prevented from being damaged due to compression, and the stability of the device is also beneficial to being enhanced.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic diagram of the present invention in operation;

FIG. 3 is a side view of the present invention in operation;

FIG. 4 is a schematic view of the present invention with the lift platform removed.

In the figure: 1. a base plate; 2. a lifting frame; 3. a hydraulic column; 4. a lifting platform; 5. a high-strength spring; 6. cushion blocks; 7. a first drive pulley; 8. a second transmission wheel; 9. a transmission belt; 10. a stepping motor; 11. a screw rod; 12. a limiting block; 13. a support chassis; 14. a bearing seat; 15. a universal wheel assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

While several embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in order to facilitate an understanding of the utility model, the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed to provide a more complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a hoist elevating platform for inspection that stability is high, comprising a base plate 1, the upper end of bottom plate 1 is provided with crane 2, hydraulic column 3, first drive wheel 7 and secondary drive wheel 8, crane 2's inboard surface is provided with lift platform 4, hydraulic column 3's upper end is provided with high strength spring 5, high strength spring 5's lower extreme is provided with cushion 6, first drive wheel 7 and secondary drive wheel 8's side surface is provided with drive belt 9, the lower extreme of first drive wheel 7 is provided with step motor 10, secondary drive wheel 8's upper end is provided with lead screw 11, the upper end of lead screw 11 is provided with stopper 12, the lower extreme of lead screw 11 is provided with support chassis 13, the lower extreme of bottom plate 1 is provided with universal wheel subassembly 15.

In the embodiment, referring to fig. 1, 2 and 4, the lifting platform 4 is movably connected with the lifting frames 2, the lifting frames 2 are arranged in two groups and are symmetrically arranged, the hydraulic columns 3 are fixedly connected with the base plate 1, and the hydraulic columns 3 and the high-strength springs 5 are beneficial to weakening the inertia generated by the falling of the lifting platform 4; the high-strength springs 5 are fixedly connected with the hydraulic columns 3 and the cushion blocks 6, the hydraulic columns 3, the high-strength springs 5 and the cushion blocks 6 are all in a plurality of groups, the lifting platform 4 is movably connected with the cushion blocks 6, and the cushion blocks 6 are beneficial to increasing the contact points of the hydraulic columns 3 and the lifting platform 4;

when the user makes lift platform 4 descend through crane 2, the connected mode at hydraulic pressure post 3 and bottom plate 1 is fixed connection, high strength spring 5 and hydraulic pressure post 3, the connected mode of cushion 6 is under the condition of fixed connection, when lift platform 4 contacts cushion 6, hydraulic pressure post 3 and high strength spring 5 weaken the inertia that lift platform 4 descends, thereby be favorable to avoiding lift platform 4 directly to descend and produce the not hard up condition of spare part that great vibrations lead to the device on bottom plate 1 and take place, can effectively prolong the device's life.

In an embodiment, referring to fig. 2, 3 and 4, the first driving wheel 7, the second driving wheel 8 and the bottom plate 1 are connected in a rotating manner, the number of the second driving wheels 8 is two, and the second driving wheels are symmetrically arranged, the driving belts 9 are connected with the first driving wheel 7 and the second driving wheel 8 in a meshing manner, and the driving belts 9 are convenient for the first driving wheel 7 to drive the second driving wheels 8 to rotate; the driving end of a stepping motor 10 penetrates through the bottom plate 1 and is fixedly connected with the first driving wheel 7, the lead screw 11 is in threaded connection with the bottom plate 1 and the second driving wheel 8, a bearing seat 14 is arranged at the joint of the lead screw 11 and the supporting underframe 13, and the bearing seat 14 is convenient for connecting the lead screw 11 and the supporting underframe 13; the connection mode of the limiting blocks 12 and the lead screw 11 is fixed connection, the lead screw 11 is rotationally connected with the supporting underframe 13 through the bearing seats 14, and the number of the lead screws 11, the limiting blocks 12 and the bearing seats 14 is two groups and are symmetrically arranged;

the user first moves the device to the detection site through the universal wheel assembly 15, then switches on the stepping motor 10, controls the stepping motor 10 to operate through remote control, under the condition that the connection modes of the transmission belt 9, the first transmission wheel 7 and the second transmission wheel 8 are meshed and connected, the stepping motor 10 drives the second transmission wheel 8 to rotate through the first transmission wheel 7 and the transmission belt 9, under the condition that the connection modes of the screw rod 11, the bottom plate 1 and the second transmission wheel 8 are both in threaded connection, the second transmission wheel 8 drives the screw rod 11 to lift, under the condition that the screw rod 11 is rotationally connected with the supporting underframe 13 through the bearing seat 14, the screw rod 11 drives the supporting underframe 13 to lift, therefore, when the device runs, the supporting chassis 13 supports the device in a bearing mode, the universal wheel assembly 15 is prevented from being damaged by pressure, and the stability of the device is improved.

The working process of the utility model is as follows: when the device is used, a user firstly moves the device to a detection place through the universal wheel assembly 15, then the stepping motor 10 is powered on, the stepping motor 10 is controlled to operate through remote control, under the condition that the connection modes of the transmission belt 9, the first transmission wheel 7 and the second transmission wheel 8 are meshed and connected, the stepping motor 10 drives the second transmission wheel 8 to rotate through the first transmission wheel 7 and the transmission belt 9, under the condition that the connection modes of the screw rod 11, the bottom plate 1 and the second transmission wheel 8 are in threaded connection, the second transmission wheel 8 drives the screw rod 11 to ascend and descend, under the condition that the screw rod 11 is rotatably connected with the supporting underframe 13 through the bearing seat 14, the screw rod 11 drives the supporting underframe 13 to ascend and descend, so that the supporting underframe 13 can bear and support the device when the device operates, the universal wheel assembly 15 is prevented from being damaged by pressure, and the stability of the device is improved, when the user makes lift platform 4 descend through crane 2, the connected mode at hydraulic pressure post 3 and bottom plate 1 is fixed connection, high strength spring 5 and hydraulic pressure post 3, the connected mode of cushion 6 is under the condition of fixed connection, when lift platform 4 contacts cushion 6, hydraulic pressure post 3 and high strength spring 5 weaken the inertia that lift platform 4 descends, thereby be favorable to avoiding lift platform 4 directly to descend and produce the not hard up condition of spare part that great vibrations lead to the device on bottom plate 1 and take place, can effectively prolong the device's life.

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 hoist that stability is high lift table for inspection, includes bottom plate (1), its characterized in that: the upper end of the bottom plate (1) is provided with a lifting frame (2), a hydraulic column (3), a first transmission wheel (7) and a second transmission wheel (8), the outer surface of the inner side of the lifting frame (2) is provided with a lifting platform (4), the upper end of the hydraulic column (3) is provided with a high-strength spring (5), a cushion block (6) is arranged at the lower end of the high-strength spring (5), a transmission belt (9) is arranged on the outer surface of the side end of the first transmission wheel (7) and the second transmission wheel (8), the lower end of the first driving wheel (7) is provided with a stepping motor (10), the upper end of the second driving wheel (8) is provided with a screw rod (11), the upper end of lead screw (11) is provided with stopper (12), the lower extreme of lead screw (11) is provided with support chassis (13), the lower extreme of bottom plate (1) is provided with universal wheel subassembly (15).

2. The high-stability lifting workbench for crane inspection according to claim 1, wherein: the lifting platform (4) is movably connected with the lifting frames (2), the lifting frames (2) are arranged in two groups and are symmetrically arranged, and the hydraulic columns (3) are fixedly connected with the base plate (1).

3. The high-stability lifting workbench for crane inspection according to claim 1, wherein: the high-strength spring lifting platform is characterized in that the high-strength spring (5) is fixedly connected with the hydraulic column (3) and the cushion block (6), the hydraulic column (3), the high-strength spring (5) and the cushion block (6) are all in a plurality of groups, and the lifting platform (4) is movably connected with the cushion block (6).

4. The high-stability lifting workbench for crane inspection according to claim 1, wherein: the connecting mode of the first driving wheel (7) and the second driving wheel (8) is in rotating connection with the bottom plate (1), the number of the second driving wheels (8) is two, the second driving wheels are symmetrically arranged, and the connecting mode of the driving belt (9) and the first driving wheel (7) and the second driving wheel (8) is in meshing connection.

5. The high-stability lifting workbench for crane inspection according to claim 1, wherein: the driving end of the stepping motor (10) penetrates through the bottom plate (1) and is fixedly connected with the first driving wheel (7), the lead screw (11) is in threaded connection with the bottom plate (1) and the second driving wheel (8), and a bearing seat (14) is arranged at the joint of the lead screw (11) and the supporting bottom frame (13).

6. The high-stability lifting workbench for crane inspection according to claim 5, wherein: the connection mode of stopper (12) and lead screw (11) is fixed connection, lead screw (11) rotate with supporting chassis (13) through bearing frame (14) and are connected, the quantity of lead screw (11), stopper (12) and bearing frame (14) is two sets ofly, and is the symmetry and arranges.