CN111217300A - Movable hydraulic lifting working platform - Google Patents
Movable hydraulic lifting working platform Download PDFInfo
- Publication number
- CN111217300A CN111217300A CN202010225554.7A CN202010225554A CN111217300A CN 111217300 A CN111217300 A CN 111217300A CN 202010225554 A CN202010225554 A CN 202010225554A CN 111217300 A CN111217300 A CN 111217300A
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- Prior art keywords
- section
- frame
- pipe frame
- square pipe
- lifting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to a movable hydraulic lifting working platform, which comprises an electric vehicle, a lifting oil cylinder, a gear oil pump and a driving motor, wherein a plurality of sections of frames which are overlapped together are arranged on a frame of the electric vehicle, the first section is a fixed frame, the rest are lifting frames, the first section of fixed frame is fixed on the frame of the electric vehicle, a support plate is fixedly connected at the extending end of the lifting oil cylinder and is fixedly connected with the second section of lifting frame through four connecting rods, four fixed pulleys are uniformly distributed at the top of each section of lifting frame from the second section of lifting frame, steel wire ropes are wound on the fixed pulleys, one end of each steel wire rope is connected with four bottom corners of the first section of fixed frame, the other end of each steel wire rope is connected with four bottom corners of the previous section of lifting frame, the hydraulic cylinder of the lifting oil cylinder ascends to jack the support plate, the support plate drives the second section of lifting frame to ascend through the connecting rods, and so on, completing one working cycle.
Description
Technical Field
The invention relates to a lifting platform, in particular to a movable hydraulic lifting working platform.
Background
At present, when some high altitude construction, like road street lamp and camera device maintenance, fire control house floor rescue etc. all need lift work platform to use as appurtenance and professional equipment, but present lift platform structure is complicated, poor stability, and the cost is expensive, and it is highly limited to go up and down, removes inconveniently, and the practicality is poor.
Disclosure of Invention
The invention aims to solve the problems, and provides the movable hydraulic lifting working platform which is simple in structure, good in stability, low in manufacturing cost and strong in practicability.
The invention solves the problems and adopts the technical scheme that:
a movable hydraulic lifting working platform comprises an electric vehicle, a lifting oil cylinder, a gear oil pump and a driving motor, wherein the lifting oil cylinder, the gear oil pump and the driving motor are arranged on a frame of the electric vehicle, a plurality of sections of square pipe frames which are overlapped together from outside to inside are arranged on the frame of the electric vehicle, the first section is a fixed frame, the rest are lifting frames, the first section of square pipe frame is fixed on the frame of the electric vehicle, the lifting oil cylinder is fixedly arranged on a bottom central supporting beam of the first section of square pipe frame, a hydraulic rod of the lifting oil cylinder is vertically arranged in the center of the plurality of sections of square pipe frames, a supporting plate is fixedly connected with the vertically upward extending end of the hydraulic rod, four corners of the supporting plate are fixedly connected with four bottom corners of the second section of square pipe frame through connecting rods, four fixed pulleys are uniformly distributed at the top of each section of square pipe frame from the second section of square, the wire rope other end is connected with four base angles of last section side pipe frame, lift cylinder's pneumatic cylinder rises jack-up backup pad, the backup pad passes through the connecting rod and drives second section side pipe frame and rise, second section side pipe frame drives third section side pipe frame through the fixed pulley and the wire rope on it and rises, third section side pipe frame drives fourth section side pipe frame through the fixed pulley and the wire rope on it and rises, analogize with this, work platform is installed to the top side pipe frame upper end, guard rail and safety belt are installed to work platform's periphery.
Compared with the prior art, the invention adopting the technical scheme has the outstanding characteristics that:
simple structure, stability can be good, and it is convenient to go up and down, and the cost of manufacture is low, and the practicality is strong.
Preferably, the further technical scheme of the invention is as follows:
the square pipe frame is of a flower stand type, and a track assembly is arranged between the square pipe frame and the support columns of the square pipe frame.
The track assembly is composed of wear-resistant angle plates and roller pin plates which are matched with each other, and the wear-resistant angle plates and the roller pin plates are respectively fixed on supporting columns of the inner and outer square pipe frames.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the working platform of the embodiment of the present invention when it is lifted upwards;
FIG. 3 is a schematic cross-sectional view of a wear-resistant corner plate in cooperation with a sliding roller plate according to an embodiment of the present invention;
FIG. 4 is a schematic view of the wear resistant corner plate engaged with the sliding needle roller plate in an initial state according to the embodiment of the present invention;
FIG. 5 is a schematic view of a vertical-surface partial enlarged structure of a fixed needle roller plate and a sliding needle roller plate in cooperation when a square tube frame ascends according to an embodiment of the invention;
in the figure: an electric vehicle 1; a first section of square tube frame 2; a second section of square tube frame 3; a third section of square tube frame 4; a lift cylinder 5; a hydraulic rod 6; a support plate 7; a connecting rod 8; a working platform 9; a guard rail 10; a fixed pulley 11; a wire rope 12; a wear-resistant corner plate 13; a needle roller plate 14; a fixed needle roller plate 14-1; the slide roller plate 14-2.
The specific implementation mode is as follows:
the invention will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the invention.
Referring to fig. 1, 2, 3, 4 and 5, a movable hydraulic lifting working platform comprises an electric vehicle 1, a lifting oil cylinder 5, a gear oil pump and a driving motor, wherein the lifting oil cylinder 5, the gear oil pump and the driving motor are arranged on a frame of the electric vehicle 1, a plurality of sections of square pipe frames which are overlapped from outside to inside are arranged on the frame of the electric vehicle 1, the first section is a fixed frame, the rest are lifting frames, the first section of square pipe frame 2 is fixed on the frame of the electric vehicle 1, the lifting oil cylinder 5 is fixedly arranged on a bottom supporting beam of the first section of square pipe frame 2, a hydraulic rod 6 of the lifting oil cylinder 5 is vertically arranged in the center of the plurality of sections of square pipe frames, a vertically upward extending end of the hydraulic rod 6 is fixedly connected with a supporting plate 7, four corners of the supporting plate 7 are fixedly connected with four bottom corners of the second section of square pipe frame 3 through connecting rods 8, four fixed, all around having wire rope 12 on four fixed pulleys 11, wire rope 12 one end is connected with four base angles of next section square pipe frame 2, the wire rope 12 other end is connected with four base angles of last section square pipe frame, the hydraulic stem 6 of hydraulic cylinder 5 rises jack-up backup pad 7, backup pad 7 drives second section square pipe frame 2 through connecting rod 8 and rises, second section square pipe frame 2 drives third section square pipe frame 4 through fixed pulley 11 and wire rope 12 on it and rises, third section square pipe frame 4 drives fourth section square pipe frame through fixed pulley 11 and wire rope 12 on it and rises, analogize with this, work platform 9 is installed to topmost one section square pipe frame upper end, guard rail 10 and safety belt are installed to work platform 9's periphery.
The square pipe frame is of a flower stand type, and a track assembly is arranged between the square pipe frame and the support columns of the square pipe frame.
The track assembly is composed of a wear-resistant angle plate 13 and a roller plate 14 which are matched with each other, and the wear-resistant angle plate 13 and the roller plate 14 are respectively fixed on supporting columns of the inner and outer square pipe frames.
The electric vehicle 1 is a four-wheel battery car, two wheels are driving wheels, two wheels are driven wheels, the walking speed of the electric vehicle 1 is 20-50m/min, the battery voltage of the electric vehicle 1 is 48V-72V, a remote controller and an electromagnetic directional valve can be adopted to control the lifting action of the lifting oil cylinder 5, four telescopic supporting legs which play a supporting role are arranged on the frame of the electric vehicle 1, the length of each telescopic supporting leg is 600-800mm, and the telescopic supporting legs are used for supporting the whole device in a working state after the square tube frame rises.
The square tube frame can be made into a rectangle of 1.2m multiplied by 1.4m or 1.4m multiplied by 1.6m, the square tube frame is in a flower shelf shape, the track assembly can be made of an electric wood wear-resistant plate, the square tube frame can also be made into a steel plate square barrel shape, the square tube is supported in the barrel, the track assembly can also be composed of a wear-resistant angle plate 13 and a rolling needle plate 14, the track gap is 0.10-0.20mm, the rolling needle plate 14 is divided into a fixed rolling needle plate 14-1 and a sliding rolling needle plate 14-2 which are respectively fixed at the upper part of the inner side and the lower part of the outer side of two adjacent square tube frames, the lower end of the fixed rolling needle plate 14-1 is connected with the wear-resistant angle plate 13, the wear-resistant angle plate 13 is used as a slide way of the sliding rolling needle plate 14-2, when the sliding rolling needle plate 14-2 slides upwards along with the square tube frame, the square tube frame is made into a square barrel shape by steel plates, four square tubes are used as supporting columns, and the lifting height is controlled by the number of joints and the height of the square tube frame, and can be 6 m/3 to 12 m/6.
The lifting oil cylinder 5 is driven by a driving motor of 800-1500W and 48-72V, the specification of the oil pump is a gear oil pump, the flow is 4L-10L/min, the pressure is 160KG/cm2, the diameter of the oil cylinder is 50-80mm, and the extension length is 2 m.
During operation, the electric vehicle 1 is started to a designated place, four telescopic supporting legs around the electric vehicle 1 extend out, then the oil pump is driven by the driving motor to supply oil to the lifting oil cylinder 5, the hydraulic rod 6 of the lifting oil cylinder 5 vertically rises to jack the supporting plate 7, four corners of the supporting plate 7 are fixedly connected with four bottom corners of the second lifting frame 3 through the connecting rods 8 so as to lift the second lifting frame 3, four fixed pulleys 11 are arranged at the top of the second lifting frame 3, double-loop steel wire ropes 12 are arranged on the fixed pulleys 11, the steel wire ropes 12 are connected with the four bottom corners of the first fixed frame 2, the lifting oil cylinder 5 lifts the supporting plate 7 and the second lifting frame 3, the other ends of the steel wire ropes 12 are connected with the four bottom corners of the third lifting frame 4, the second lifting frame is lifted to drive the third lifting frame to lift, the top of the third lifting frame is also provided with the four fixed pulleys, the fourth section of lifting frame is driven to rise through a steel wire rope 12, so that one working cycle is completed, and a working platform with the height of 0.8m and the height of 1.2m multiplied by 1.2m is installed at the top of the upper end of the last section of lifting frame.
The device has the advantages of simple structure, good stability, convenient lifting, low manufacturing cost and strong practicability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (3)
1. The utility model provides a movable hydraulic lifting work platform, includes the electric motor car, arranges lift cylinder, gear oil pump, the driving motor on the electric motor car frame in, its characterized in that: the frame of the electric vehicle is provided with a plurality of sections of square pipe frames which are overlapped together from outside to inside, the first section is a fixed frame, the rest are lifting frames, the first section of square pipe frame is fixed on the frame of the electric vehicle, a lifting oil cylinder is fixedly arranged on a bottom center supporting beam of the first section of square pipe frame, a hydraulic rod of the lifting oil cylinder is vertically arranged in the center of the multi-section of square pipe frame, a supporting plate is fixedly connected with a vertically upward extending end of the hydraulic rod, four corners of the supporting plate are fixedly connected with four bottom corners of the second section of square pipe frame through connecting rods, four fixed pulleys are uniformly distributed at the top of each section of square pipe frame from the second section of square pipe frame, steel wire ropes are wound on the four fixed pulleys, one end of each steel wire rope is connected with the four bottom corners of the next section of square pipe frame, the other end of each steel wire rope is connected, the backup pad passes through the connecting rod and drives second section side pipe frame and rise, and second section side pipe frame drives third section side pipe frame through the fixed pulley and the wire rope on it and rises, and third section side pipe frame drives fourth section side pipe frame through the fixed pulley and the wire rope on it and rises to analogize to this, and work platform is installed to topmost one section side pipe frame upper end, and protection railing and safety belt are installed to work platform's periphery.
2. The mobile hydraulic lift work platform of claim 1, wherein: the square pipe frame is of a flower stand type, and a track assembly is arranged between the square pipe frame and the support columns of the square pipe frame.
3. The mobile hydraulic lift work platform of claim 2, wherein: the track assembly is composed of wear-resistant angle plates and roller pin plates which are matched with each other, and the wear-resistant angle plates and the roller pin plates are respectively fixed on supporting columns of the inner and outer square pipe frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010225554.7A CN111217300A (en) | 2020-03-26 | 2020-03-26 | Movable hydraulic lifting working platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010225554.7A CN111217300A (en) | 2020-03-26 | 2020-03-26 | Movable hydraulic lifting working platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111217300A true CN111217300A (en) | 2020-06-02 |
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ID=70831722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010225554.7A Pending CN111217300A (en) | 2020-03-26 | 2020-03-26 | Movable hydraulic lifting working platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN111217300A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353858A (en) * | 2021-07-15 | 2021-09-07 | 河南中骏智能科技有限公司 | Electric hydraulic rope dragging and sleeving type movable lifting platform |
| CN113830690A (en) * | 2021-08-16 | 2021-12-24 | 法兰泰克重工股份有限公司 | Up-down carrying device based on telescopic feeding port |
-
2020
- 2020-03-26 CN CN202010225554.7A patent/CN111217300A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353858A (en) * | 2021-07-15 | 2021-09-07 | 河南中骏智能科技有限公司 | Electric hydraulic rope dragging and sleeving type movable lifting platform |
| CN113830690A (en) * | 2021-08-16 | 2021-12-24 | 法兰泰克重工股份有限公司 | Up-down carrying device based on telescopic feeding port |
| CN113830690B (en) * | 2021-08-16 | 2024-01-05 | 法兰泰克重工股份有限公司 | Vertical conveying device based on telescopic feeding port |
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