CN105236296A - Scissor-fork type lifting platform stable in operation - Google Patents
Scissor-fork type lifting platform stable in operation Download PDFInfo
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- CN105236296A CN105236296A CN201510749537.2A CN201510749537A CN105236296A CN 105236296 A CN105236296 A CN 105236296A CN 201510749537 A CN201510749537 A CN 201510749537A CN 105236296 A CN105236296 A CN 105236296A
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- supporting leg
- base
- platform body
- main platform
- scissor
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Abstract
The invention discloses a scissor-fork type lifting platform stable in operation. The scissor-fork type lifting platform comprises a base, lifting mechanisms and a platform main body, wherein the base and the platform main body are in parallel arranged at an interval in a vertical direction; the base is positioned below the platform main body; the lifting mechanisms are arranged between the base and the platform main body; each lifting mechanism comprises a lower supporting leg, a lower guide supporting leg, an upper guide supporting leg, an upper supporting leg and a hydraulic oil cylinder; the lower end of the lower supporting leg is mounted on the base in a rotary mode; the lower end of the upper supporting leg is embedded into the lower end of the lower supporting leg; the upper supporting leg and the lower supporting leg are connected in the rotary mode; the upper end of the upper supporting leg is connected with the bottom of the platform main body in the rotary mode; the tail part of the hydraulic oil cylinder is mounted on the upper part of the lower supporting leg; the head part of the hydraulic oil cylinder is connected with the upper part of the upper supporting leg; the hydraulic oil cylinder is connected with a power unit through a high-pressure oil tube; and the two sets of lifting mechanism are arranged in a horizontal direction in parallel at intervals between the base and the platform main body. The scissor-fork type lifting platform is stable in operation and high in safety.
Description
Technical field
The present invention relates to a kind of lifting table, specifically a kind of scissor-type lifting platform operated steadily.
Background technology
Along with the development of social science and technology, lifting table has spread to each corner of social life, use more and more extensive, no matter be building, civil engineering, and daily life all be unable to do without lifting machinery, many businessmans hold this business opportunity and invest one after another and found the factory, and lifting machinery company stands in great numbers in each large industrial city thereupon as rear bamboo shoots.The development of current lifting mechanism is being in a peak state, scissor-type lifting platform leans on the expansion of scissor bearing support and folded the lifting of upper mounting plate, thus reaching the object of lifting goods or aloft work, its power is promoted the expansion of scissors by the flexible of linear motion unit (as hydraulic actuating cylinder etc.) and folded.It makes aloft work efficiency higher, practical.Existing scissor-type lifting platform in use, still exist and run inadequate pulsation-free problem, this problem will affect the safety of lifting table, along with people are to safety problem pay attention to day by day, existing scissor-type lifting platform cannot meet the demand of people gradually, and therefore market demand one runs pulsation-free scissor-type lifting platform more.
Summary of the invention
The object of the present invention is to provide a kind of scissor-type lifting platform operated steadily, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
The scissor-type lifting platform operated steadily, comprises base, lifting mechanism and main platform body, and described base and main platform body in the vertical direction parallel interval are arranged, and base is positioned at below main platform body, and lifting mechanism is arranged between base and main platform body; Described lifting mechanism comprises lower supporting leg, lower guiding supporting leg, upper guiding supporting leg, upper supporting leg and hydraulic ram, lower supporting leg lower end is rotatably installed on base by joint bearing pin, upper supporting leg lower end embeds the upper end of lower supporting leg, and be rotationally connected by joint bearing pin between the two, the upper end of upper supporting leg is rotationally connected to main platform body by joint bearing pin, the afterbody of described hydraulic ram is arranged on the top of lower supporting leg, the head of hydraulic ram is connected to the top of upper supporting leg, and hydraulic ram is connected to power unit by high pressure fuel pipe; Be rotationally connected by joint bearing pin between the upper end of described lower guiding supporting leg and the lower end of upper guiding supporting leg, the lower end of lower guiding supporting leg is provided with antifriction-bearing box, base is equipped with the guide rail matched with antifriction-bearing box, the upper end of upper guiding supporting leg is provided with antifriction-bearing box, the guide rail matched with antifriction-bearing box is equipped with bottom main platform body, a described lower midleg and lower guiding are propped up midleg and are rotatedly connected by joint bearing pin, and the middle part of upper supporting leg and upper guiding are propped up midleg and be rotatedly connected by joint bearing pin; Described lifting mechanism has two covers, and parallel interval is arranged between base and main platform body in the horizontal direction; Described base is also provided with cushion rubber.
As the further scheme of the present invention: described power unit is built-in with balance cock.
As the present invention's further scheme: described base is provided with the lower limit photoelectric switch coordinated with main platform body to limit main platform body lower travel limit position.
As the present invention's further scheme: described base is also provided with upper limit photoelectric switch, lower guiding supporting leg is provided with the detection block matched with upper limit photoelectric switch, upper limit photoelectric switch coordinates to limit main platform body stroke upper limit with detection block.
As the present invention's further scheme: described joint bearing pin is provided with screwdown greaser.
Compared with prior art, the invention has the beneficial effects as follows: 1, this scissor-type lifting platform adopts the scissors structure that supporting leg combines with guiding supporting leg, make its lifting process more steady, power unit is built-in with balance cock simultaneously, its stationarity can be guaranteed in platform decline process, in addition base is also provided with cushion rubber, cushion rubber carries out bumper and absorbing shock to the main platform body dropping to lower travel limit position, further increase equipment run stationarity; 2, this scissor-type lifting platform comprises the two cover lifting mechanisms that parallel interval is arranged, and two cover lifting mechanism synchronization jobs, make main platform body stressed more steady, and it is more steady that this scissor-type lifting platform is run; The joint bearing pin of 3, this scissor-type lifting platform is provided with screwdown greaser, make butter filler convenient, butter also directly can be expressed to bearing pin surface, joint, and joint bearing pin inner storage portion butter, guarantees that the joint of this lifting table runs under lower resistance simultaneously; 4, this scissor-type lifting platform is provided with lower limit photoelectric switch and upper limit photoelectric switch, and guarantee that this lifting table runs in suitable range, safety is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the scissor-type lifting platform operated steadily.
Fig. 2 is the right side view of Fig. 1.
In figure: lead under supporting leg, 3-under 1-base, 2-supporting leg, 4-lead supporting leg, 5-upper supporting leg, 6-main platform body, 7-cushion rubber, 8-hydraulic ram, 9-antifriction-bearing box, 10-high pressure fuel pipe, 11-joint bearing pin, 12-lower limit photoelectric switch, 13-upper limit photoelectric switch.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1-2, the scissor-type lifting platform operated steadily, comprises base 1, lifting mechanism and main platform body 6, and described base 1 is arranged with main platform body 6 in the vertical direction parallel interval, and base 1 is positioned at below main platform body 6, lifting mechanism is arranged between base 1 and main platform body 6;
Described lifting mechanism comprises lower supporting leg 2, lower guiding supporting leg 3, upper guiding supporting leg 4, upper supporting leg 5 and hydraulic ram 8, lower supporting leg 2 lower end is rotatably installed on base 1 by joint bearing pin 11, upper supporting leg 5 lower end embeds the upper end of lower supporting leg 2, and be rotationally connected by joint bearing pin 11 between the two, the upper end of upper supporting leg 5 is rotationally connected to main platform body 6 by joint bearing pin 11, the afterbody of described hydraulic ram 8 is arranged on the top of lower supporting leg 2, the head of hydraulic ram 8 is connected to the top of upper supporting leg 5, hydraulic ram 8 is connected to power unit by high pressure fuel pipe 10, power unit by high pressure fuel pipe 10 to fuel feeding bottom hydraulic ram 8, the plunger rod of hydraulic ram 8 does extend action, can by lower supporting leg 2 and upper supporting leg 5 away from, described power unit is built-in with balance cock, balance cock can in main platform body 6 decline process, keep its stationarity, be rotationally connected by joint bearing pin 11 between the upper end of described lower guiding supporting leg 3 and the lower end of upper guiding supporting leg 4, the lower end of lower guiding supporting leg 3 is provided with antifriction-bearing box 9, base 1 is equipped with the guide rail matched with antifriction-bearing box 9, the upper end of upper guiding supporting leg 4 is provided with antifriction-bearing box 9, the guide rail matched with antifriction-bearing box 9 is equipped with bottom main platform body 6, the middle part of described lower supporting leg 2 and the middle part of lower guiding supporting leg 3 are rotatedly connected by joint bearing pin 11, the middle part of upper supporting leg 5 and the middle part of upper guiding supporting leg 4 are rotatedly connected by joint bearing pin 11, when the plunger rod of hydraulic ram 8 does extend action, can by lower supporting leg 2 and upper supporting leg 5 away from, and then make lower guiding supporting leg 3 and upper guiding supporting leg 4 away from, antifriction-bearing box 9 on lower guiding supporting leg 3 and upper guiding supporting leg 4 rolls along the guide rail on base 1 and main platform body 6 respectively, thus promotion main platform body 6 rises,
Described base 1 is provided with the lower limit photoelectric switch 12 coordinating to limit main platform body 6 lower travel limit position with main platform body 6, base 1 is also provided with upper limit photoelectric switch 13, lower guiding supporting leg 3 is provided with the detection block matched with upper limit photoelectric switch 13, upper limit photoelectric switch 13 coordinates to limit main platform body 6 stroke upper limit with detection block; Described base 1 is also provided with cushion rubber 7, and cushion rubber 7 is for carrying out bumper and absorbing shock to the main platform body 6 dropping to lower travel limit position; Described lifting mechanism has two covers, and parallel interval is arranged between base 1 and main platform body 6 in the horizontal direction, and it is more steady that two cover lifting mechanisms can make this scissor-type lifting platform run; Described joint bearing pin 11 is provided with screwdown greaser, makes butter filler convenient, butter also directly can be expressed to joint bearing pin 11 surface, simultaneously joint bearing pin 11 inner storage portion butter.
Principle of work of the present invention is: described in the scissor-type lifting platform that operates steadily, when needs rise, press the control button of rising, power unit starts action, power unit by high pressure fuel pipe 10 to fuel feeding bottom hydraulic ram 8, the plunger rod of hydraulic ram 8 does extend action, can by lower supporting leg 2 and upper supporting leg 5 away from, lower supporting leg 2 and upper supporting leg 5 away from while, drive lower guiding supporting leg 3 and upper guiding supporting leg 4 away from, antifriction-bearing box 9 on lower guiding supporting leg 3 and upper guiding supporting leg 4 does the rolling in horizontal direction respectively along the guide rail on base 1 and main platform body 6, thus promotion main platform body 6 rises, when upper limit photoelectric switch 13 detects the detection block on lower guiding supporting leg 3, upper limit photoelectric switch 13 sends signal, power unit stops action, main platform body 6 moves to stroke upper limit, equipment completes vertical motion.When needs decline, press the control button of decline, the fuel-return valve of power unit inside is opened, under the effect of equipment self-weight, the plunger rod of hydraulic ram 8 starts to retract, drive lower supporting leg 2 close to each other with upper supporting leg 5, while lower supporting leg 2 is close with upper supporting leg 5, drive lower guiding supporting leg 3 close to each other with upper guiding supporting leg 4, antifriction-bearing box 9 on lower guiding supporting leg 3 and upper guiding supporting leg 4 does the rolling in horizontal direction respectively along the guide rail on base 1 and main platform body 6, main platform body 6 declines gradually, instantly when limiting photoelectric switch 12 detects main platform body 6, lower limit photoelectric switch 12 sends signal, the fuel-return valve of power unit is closed, main platform body 6 drops to lower limit, equipment completes down maneuver.In main platform body 6 decline process, the built-in balance cock of power unit can play the effect of current stabilization, guarantees the stationarity that main platform body 6 declines.
The scissors structure that the described scissor-type lifting platform operated steadily adopts supporting leg to combine with guiding supporting leg, make its lifting process more steady, power unit is built-in with balance cock simultaneously, its stationarity can be guaranteed in platform decline process, in addition base is also provided with cushion rubber 7, cushion rubber 7 carries out bumper and absorbing shock to the main platform body 6 dropping to lower travel limit position, further increase equipment run stationarity; The described scissor-type lifting platform operated steadily comprises the two cover lifting mechanisms that parallel interval is arranged, and two cover lifting mechanism synchronization jobs, make main platform body 6 stressed more steady, and it is more steady that this scissor-type lifting platform is run; The joint bearing pin 11 of the described scissor-type lifting platform operated steadily is provided with screwdown greaser, make butter filler convenient, butter also directly can be expressed to joint bearing pin 11 surface, joint bearing pin 11 inner storage portion butter, guarantees that the joint of this lifting table runs under lower resistance simultaneously; The described scissor-type lifting platform operated steadily is provided with lower limit photoelectric switch 12 and upper limit photoelectric switch 13, and guarantee that this lifting table runs in suitable range, safety is higher.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (5)
1. the scissor-type lifting platform operated steadily, comprise base (1), lifting mechanism and main platform body (6), described base (1) and main platform body (6) in the vertical direction parallel interval are arranged, and base (1) is positioned at main platform body (6) below, lifting mechanism is arranged between base (1) and main platform body (6), it is characterized in that, described lifting mechanism comprises lower supporting leg (2), lower guiding supporting leg (3), upper guiding supporting leg (4), upper supporting leg (5) and hydraulic ram (8), lower supporting leg (2) lower end is rotatably installed on base (1) by joint bearing pin (11), upper supporting leg (5) lower end embeds the upper end of lower supporting leg (2), and be rotationally connected by joint bearing pin (11) between the two, the upper end of upper supporting leg (5) is rotationally connected to main platform body (6) bottom by joint bearing pin (11), the afterbody of described hydraulic ram (8) is arranged on the top of lower supporting leg (2), the head of hydraulic ram (8) is connected to the top of upper supporting leg (5), hydraulic ram (8) is connected to power unit by high pressure fuel pipe (10), be rotationally connected by joint bearing pin (11) between the upper end of described lower guiding supporting leg (3) and the lower end of upper guiding supporting leg (4), the lower end of lower guiding supporting leg (3) is provided with antifriction-bearing box (9), base (1) is equipped with the guide rail matched with antifriction-bearing box (9), the upper end of upper guiding supporting leg (4) is provided with antifriction-bearing box (9), main platform body (6) bottom is equipped with the guide rail matched with antifriction-bearing box (9), the middle part of described lower supporting leg (2) and the middle part of lower guiding supporting leg (3) are rotatedly connected by joint bearing pin (11), the middle part of upper supporting leg (5) and the middle part of upper guiding supporting leg (4) are rotatedly connected by joint bearing pin (11), described lifting mechanism has two covers, and parallel interval is arranged between base (1) and main platform body (6) in the horizontal direction, described base (1) is also provided with cushion rubber (7).
2. the scissor-type lifting platform operated steadily according to claim 1, is characterized in that, described power unit is built-in with balance cock.
3. the scissor-type lifting platform operated steadily according to claim 1 and 2, it is characterized in that, described base (1) is provided with the lower limit photoelectric switch (12) coordinated with main platform body (6) to limit main platform body (6) lower travel limit position.
4. the scissor-type lifting platform operated steadily according to claim 3, it is characterized in that, described base (1) is also provided with upper limit photoelectric switch (13), lower guiding supporting leg (3) is provided with the detection block matched with upper limit photoelectric switch (13), upper limit photoelectric switch (13) coordinates to limit main platform body (6) stroke upper limit with detection block.
5. the scissor-type lifting platform operated steadily according to claim 1 or 2 or 4, is characterized in that, described joint bearing pin (11) is provided with screwdown greaser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510749537.2A CN105236296A (en) | 2015-11-09 | 2015-11-09 | Scissor-fork type lifting platform stable in operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510749537.2A CN105236296A (en) | 2015-11-09 | 2015-11-09 | Scissor-fork type lifting platform stable in operation |
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| CN105236296A true CN105236296A (en) | 2016-01-13 |
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| CN201510749537.2A Pending CN105236296A (en) | 2015-11-09 | 2015-11-09 | Scissor-fork type lifting platform stable in operation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540488A (en) * | 2016-02-28 | 2016-05-04 | 单家正 | Fixed automatic lifting platform |
| CN108328513A (en) * | 2018-04-14 | 2018-07-27 | 东莞市科学技术博物馆 | A kind of hydraulic platform remarkable action detection device |
| CN108609521A (en) * | 2018-06-11 | 2018-10-02 | 河南森源电气股份有限公司 | A kind of scissor-type lifting platform |
| CN109132930A (en) * | 2018-06-25 | 2019-01-04 | 山东职业学院 | A kind of automatic lifting car |
| CN110844850A (en) * | 2019-11-19 | 2020-02-28 | 苏州智米高装备科技有限公司 | Safety control system of aerial work platform |
| CN113772585A (en) * | 2021-09-13 | 2021-12-10 | 路特利举升机(海门)有限公司 | Shock-absorbing speed reducer of lifter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540488A (en) * | 2016-02-28 | 2016-05-04 | 单家正 | Fixed automatic lifting platform |
| CN108328513A (en) * | 2018-04-14 | 2018-07-27 | 东莞市科学技术博物馆 | A kind of hydraulic platform remarkable action detection device |
| CN108609521A (en) * | 2018-06-11 | 2018-10-02 | 河南森源电气股份有限公司 | A kind of scissor-type lifting platform |
| CN109132930A (en) * | 2018-06-25 | 2019-01-04 | 山东职业学院 | A kind of automatic lifting car |
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| CN110844850A (en) * | 2019-11-19 | 2020-02-28 | 苏州智米高装备科技有限公司 | Safety control system of aerial work platform |
| CN113772585A (en) * | 2021-09-13 | 2021-12-10 | 路特利举升机(海门)有限公司 | Shock-absorbing speed reducer of lifter |
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Application publication date: 20160113 |