CN103274335A - Straight jacking type freight lifting platform - Google Patents
Straight jacking type freight lifting platform Download PDFInfo
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- CN103274335A CN103274335A CN2013102040009A CN201310204000A CN103274335A CN 103274335 A CN103274335 A CN 103274335A CN 2013102040009 A CN2013102040009 A CN 2013102040009A CN 201310204000 A CN201310204000 A CN 201310204000A CN 103274335 A CN103274335 A CN 103274335A
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- lifting table
- loading lifting
- fall
- lifting platform
- push rod
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Abstract
The invention discloses a straight jacking type freight lifting platform and relates to the technical field of freight lifting devices. The straight jacking type freight lifting platform comprises a frame body, a hydraulic cylinder arranged on the lower portion of the frame body and a freight lifting platform body dragged by a steel wire rope pulley winding set driven by the hydraulic cylinder. A push rod driven by a fall-preventing cylinder is arranged on the upper portion of the frame body. The push rod transversely extends out at working time. Compared with the prior art, the straight jacking type freight lifting platform overcomes the defect of rebounded height, caused by hydraulic compression, of the platform body, and is increased in safety performance and reliability.
Description
Technical field
The present invention relates to loading jacking system technical field, especially a kind of straight top type loading lifting table.
Background technology
The structure of present most of straight top type hydraulic loading platforms is made up of hydraulic actuating cylinder, wire rope pulley winding, loading platform and skeleton.Goods is positioned on the loading platform, and the primer fluid pressing system drives platform and rises, and amplifies lift height by the pulley winding, and the height that arrives predetermined top dead point when the goods unloading of stopping is returned to bottom dead point then.General hydraulic pressure loading platform all can not well limit the height that platform has been rebounded owing to the hydraulic pressure compression after unloading, so just cause goods or even fatal accident easily, because the effect of pulley winding makes the weight of hydraulic efficiency pressure system carrying want recuperation many than goods itself, goods and platform fall at a terrific speed easily and cause the accident in hydraulic system leakage state or wire cable rupture simultaneously.
Summary of the invention
The invention provides a kind of straight top type loading lifting table, it can solve existing lifting platform safety and the low problem of reliability.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: comprise the skeleton main body, be contained in the hydraulic actuating cylinder of this skeleton lower body part and by the loading lifting table of the wire rope pulley winding of this Driven by Hydraulic Cylinder traction, be provided with the push rod by anti-fall air cylinder driven on described skeleton main body top, cross out during this push rod work.
In the technique scheme, scheme is more specifically: by the counterweight track adjusting wheel anti-fall counterweight is housed on described skeleton main body, this anti-fall counterweight is by described wire rope pulley winding traction, and the steel rope of these anti-fall counterweight both sides is connected by the both sides of pulley with described loading lifting table respectively.
Further: the described wire rope pulley winding that draws described loading lifting table has three groups.
Because adopt technique scheme, the present invention compared with prior art has following beneficial effect:
1, owing to the push rod that is provided with on skeleton main body top by anti-fall air cylinder driven, cross out during this push rod work, when the loading lifting table arrives top dead point eminence slightly, push rod stretches out under the effect of cylinder and stretches in the platform, platform falls top dead point after rise, weight is supported by push rod, the hydraulic actuating cylinder pressure release, unloading back Driven by Hydraulic Cylinder platform is returned to top dead point eminence slightly, pusher retracted, lifting table is returned to bottom dead point, has overcome hydraulic pressure compression and has caused the height that platform has rebounded, and has increased its safety performance and reliability.
2, owing to by pulley anti-fall counterweight is housed, the steel rope of these anti-fall counterweight both sides is connected by the both sides of pulley with the loading lifting table respectively, utilize the wire rope pulley group that anti-fall counterweight is linked to each other with the loading lifting table, effect by steel rope, when rising, can reduce on platform the required propulsive effort of hydraulic pressure, slow down descending speed, can prevent because the very fast danger of falling of goods, platform that hydraulic system leakage state or wire cable rupture cause.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is circuit diagram of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing example, the invention will be further described:
As Fig. 1, Fig. 2 and present embodiment shown in Figure 3, comprise skeleton main body 9, be contained in hydraulic actuating cylinder 3 and the Hydraulic Pump 2 of this skeleton lower body part, loading lifting table 8 by three groups of wire rope pulley windings traction of this Driven by Hydraulic Cylinder, be provided with the push rod 14 that is driven by anti-fall cylinder 13 on skeleton main body 9 tops, cross out during this push rod work; Silk rope pulley winding is made up of 5, first pulley 15, second fixed pulley 16, the 3rd fixed pulley 17, the 4th fixed pulley 18 and the 5th fixed pulley 19 4, second pulley first pulley; On skeleton main body 9, by counterweight track adjusting wheel 12 anti-fall counterweight 6 is housed, this anti-fall counterweight is by the traction of wire rope pulley winding, and the steel rope 1 of these anti-fall counterweight both sides is connected with the both sides of loading lifting table 8 with the 4th fixed pulley 18 by second fixed pulley 16 respectively.
As shown in Figure 4, during work, press SB1 primer fluid press pump 2 and drive upwards action of hydraulic actuating cylinder 3, loading lifting table 8 rises under the traction of wire rope pulley winding, anti-fall counterweight 6 descends under the gravity effect in loading lifting table 8 uphill process, the anti-fall counterweight 6 that descends draws the loading lifting table upwards simultaneously, plays energy-saving effect; When loading lifting table 8 rises to the mechanical interlocking position, cylinder 13 actions, push rod 14 is released, push rod is stuck in the loading lifting table, at this moment, Hydraulic Pump 2 quits work, and loading lifting table 8 is return top dead point, this moment, the weight of loading lifting table and goods and materials was supported by push rod 13, and hydraulic actuating cylinder carries out slight pressure release and prevents the platform bounce-back under electromagnetic valve YV1 action; After unsnatching goods, press SB2, Hydraulic Pump 2 drives loading lifting table 8 to mechanical release position, cylinder 13 actions, push rod 14 withdrawals, Hydraulic Pump 2 quits work, electromagnetic valve YV1 action, and oil flows back to fuel tank, loading lifting table 8 descends under the gravity effect, the power of anti-fall counterweight is opposite with loading lifting table gravity in this process, can prevent loading lifting table anxious bob under emergency situations, realizes anti-fall purpose.
Claims (3)
1. straight top type loading lifting table, comprise the skeleton main body, be contained in the hydraulic actuating cylinder of this skeleton lower body part and by the loading lifting table of the wire rope pulley winding of this Driven by Hydraulic Cylinder traction, it is characterized in that: be provided with the push rod by anti-fall air cylinder driven on described skeleton main body top, cross out during this push rod work.
2. straight top type loading lifting table according to claim 1, it is characterized in that: on described skeleton main body, by the counterweight track adjusting wheel anti-fall counterweight is housed, this anti-fall counterweight is by described wire rope pulley winding traction, and the steel rope of these anti-fall counterweight both sides is connected by the both sides of pulley with described loading lifting table respectively.
3. straight top type loading lifting table according to claim 1 and 2, it is characterized in that: the described wire rope pulley winding that draws described loading lifting table has three groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310204000.9A CN103274335B (en) | 2013-05-29 | 2013-05-29 | Straight top type loading lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310204000.9A CN103274335B (en) | 2013-05-29 | 2013-05-29 | Straight top type loading lifting table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103274335A true CN103274335A (en) | 2013-09-04 |
| CN103274335B CN103274335B (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310204000.9A Active CN103274335B (en) | 2013-05-29 | 2013-05-29 | Straight top type loading lifting table |
Country Status (1)
| Country | Link |
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| CN (1) | CN103274335B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265340A (en) * | 2015-06-17 | 2017-10-20 | 汪小敏 | A kind of car lift |
| CN107973253A (en) * | 2016-10-25 | 2018-05-01 | 济南恒鼎升降机械有限公司 | A kind of novel anti-falling guide rail-type lifting platform |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1029795A (en) * | 1996-05-14 | 1998-02-03 | Toyo Umpanki Co Ltd | Cargo lifting device |
| CN1723168A (en) * | 2003-12-11 | 2006-01-18 | 三菱电机株式会社 | Elevator |
| CN201666130U (en) * | 2010-04-06 | 2010-12-08 | 海城市石油机械制造有限公司 | Hydraulic elevator |
| CN102101617A (en) * | 2011-03-23 | 2011-06-22 | 济南大力神机械制造有限公司 | Safety lifter |
| CN102583142A (en) * | 2012-03-15 | 2012-07-18 | 扬州凯思特机械有限公司 | Falling protection device for hydraulically telescopic cage guide |
| CN202575906U (en) * | 2012-03-22 | 2012-12-05 | 北京世纪永安科技发展有限公司 | Anti-falling safety device for column lifting system of window cleaning equipment |
| CN203306989U (en) * | 2013-05-29 | 2013-11-27 | 广西鑫深科技有限公司 | Directly-pushed cargo-carrying lifting platform |
-
2013
- 2013-05-29 CN CN201310204000.9A patent/CN103274335B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1029795A (en) * | 1996-05-14 | 1998-02-03 | Toyo Umpanki Co Ltd | Cargo lifting device |
| CN1723168A (en) * | 2003-12-11 | 2006-01-18 | 三菱电机株式会社 | Elevator |
| CN201666130U (en) * | 2010-04-06 | 2010-12-08 | 海城市石油机械制造有限公司 | Hydraulic elevator |
| CN102101617A (en) * | 2011-03-23 | 2011-06-22 | 济南大力神机械制造有限公司 | Safety lifter |
| CN102583142A (en) * | 2012-03-15 | 2012-07-18 | 扬州凯思特机械有限公司 | Falling protection device for hydraulically telescopic cage guide |
| CN202575906U (en) * | 2012-03-22 | 2012-12-05 | 北京世纪永安科技发展有限公司 | Anti-falling safety device for column lifting system of window cleaning equipment |
| CN203306989U (en) * | 2013-05-29 | 2013-11-27 | 广西鑫深科技有限公司 | Directly-pushed cargo-carrying lifting platform |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265340A (en) * | 2015-06-17 | 2017-10-20 | 汪小敏 | A kind of car lift |
| CN107265340B (en) * | 2015-06-17 | 2018-11-27 | 汪小敏 | A kind of car lift |
| CN107973253A (en) * | 2016-10-25 | 2018-05-01 | 济南恒鼎升降机械有限公司 | A kind of novel anti-falling guide rail-type lifting platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103274335B (en) | 2015-12-23 |
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