CN103274335B - Straight top type loading lifting table - Google Patents
Straight top type loading lifting table Download PDFInfo
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- CN103274335B CN103274335B CN201310204000.9A CN201310204000A CN103274335B CN 103274335 B CN103274335 B CN 103274335B CN 201310204000 A CN201310204000 A CN 201310204000A CN 103274335 B CN103274335 B CN 103274335B
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- lifting table
- loading lifting
- framework main
- push rod
- fall
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Abstract
The present invention discloses a kind of straight top type loading lifting table, relate to loaded cargo lifting gear technical field, the loading lifting table comprising framework main, be contained in the hydraulic actuating cylinder of this framework main bottom and drawn by the wire rope pulley winding of this Driven by Hydraulic Cylinder, be provided with by the push rod of anti-fall air cylinder driven on described framework main top, cross out during the work of this push rod, compared with prior art, which overcome hydraulic compression and the height causing platform to rebound, add its safety performance and reliability.
Description
Technical field
The present invention relates to loaded cargo lifting gear technical field, especially a kind of straight top type loading lifting table.
Background technology
The structure of current most of straight top type hydraulic loading platform is made up of hydraulic actuating cylinder, wire rope pulley winding, loading platform and skeleton.Be positioned over by goods on loading platform, primer fluid pressing system drives platform to rise, and amplifies lift height by pulley winding, and the height arriving predetermined top dead point when goods stops unloading, is then returned to bottom dead point.General hydraulic pressure loading platform all can not well limit height platform having been rebounded due to hydraulic compression after unloading, so just easily cause goods or even fatal accident, the weight simultaneously due to the effect of pulley winding, hydraulic efficiency pressure system being carried wants recuperation many than goods itself, and when hydraulic system leakage state or wire cable rupture, goods and platform easily fall at a terrific speed and cause the accident.
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: the loading lifting table comprising framework main, be contained in the hydraulic actuating cylinder of this framework main bottom and drawn by the wire rope pulley winding of this Driven by Hydraulic Cylinder, be provided with by the push rod of anti-fall air cylinder driven on described framework main top, cross out during the work of this push rod.
In technique scheme, scheme is more specifically: in described framework main, by 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 respectively by the both sides of pulley with described loading lifting table.
Further: the described wire rope pulley winding drawing described loading lifting table has three groups.
Owing to adopting technique scheme, the present invention compared with prior art, has following beneficial effect:
1, owing to being provided with by the push rod of anti-fall air cylinder driven on framework main top, cross out during the work of this push rod, when loading lifting table arrives top dead point slightly eminence, push rod stretches out and stretches in platform under the effect of cylinder, platform falls top dead point after rise, weight is supported by push rod, hydraulic cylinder pressure relief, after unloading, Driven by Hydraulic Cylinder platform is returned to top dead point slightly eminence, pusher retracted, lifting table is returned to bottom dead point, overcomes hydraulic compression and the height causing platform to rebound, adds its safety performance and reliability.
2, owing to being equipped with anti-fall counterweight by pulley, the steel rope of these anti-fall counterweight both sides is connected respectively by the both sides of pulley with loading lifting table, utilize wire rope pulley group that anti-fall counterweight is connected with loading lifting table, by the effect of steel rope, propulsive effort needed for hydraulic pressure can be reduced when platform rises, slow down descending speed, the very fast danger of falling of the goods because hydraulic system leakage state or wire cable rupture cause, platform can be prevented.
Accompanying drawing explanation
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.
Detailed description of the invention
Below in conjunction with attached Example, the invention will be further described:
The present embodiment as shown in Figure 1, Figure 2 and Figure 3, comprise framework main 9, be contained in the hydraulic actuating cylinder 3 of this framework main bottom and Hydraulic Pump 2, the loading lifting table 8 drawn by three groups of wire rope pulley windings of this Driven by Hydraulic Cylinder, be provided with the push rod 14 driven by anti-fall cylinder 13 on framework main 9 top, cross out during the work of this push rod; Silk rope pulley winding is made up of the 5, first pulley 15, second fixed pulley 16, the 3rd fixed pulley 17, the 4th fixed pulley 18 and the 5th fixed pulley 19 the 4, second pulley the first pulley; Framework main 9 is equipped with anti-fall counterweight 6 by counterweight track adjusting wheel 12, this anti-fall counterweight is drawn by 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 respectively by the second fixed pulley 16.
As shown in Figure 4, during work, press SB1 primer fluid press pump 2 and drive hydraulic actuating cylinder 3 upwards action, loading lifting table 8 rises under the traction of wire rope pulley winding, in loading lifting table 8 uphill process, anti-fall counterweight 6 declines under gravity, the anti-fall counterweight 6 declined draws loading lifting table upwards simultaneously, plays energy-saving effect; When loading lifting table 8 rises to mechanical interlocking position, cylinder 13 action, push rod 14 is released, push rod is stuck in loading lifting table, now, Hydraulic Pump 2 quits work, and loading lifting table 8 returns top dead point, now the weight of loading lifting table and goods and materials is supported by push rod 13, and hydraulic actuating cylinder carries out slight pressure release and prevents platform from rebounding under electromagnetic valve YV1 action; After unsnatching goods, press SB2, Hydraulic Pump 2 drives loading lifting table 8 to mechanical release position, cylinder 13 action, push rod 14 is retracted, Hydraulic Pump 2 quits work, electromagnetic valve YV1 action, and oil flows back to fuel tank, loading lifting table 8 declines under gravity, the power of anti-fall counterweight is contrary with loading lifting table gravity in the process, can prevent loading lifting table anxious pendant under emergency situations, realize anti-fall object.
Claims (2)
1. a straight top type loading lifting table, the loading lifting table comprising framework main, be contained in the hydraulic actuating cylinder of this framework main bottom and drawn by the wire rope pulley winding of this Driven by Hydraulic Cylinder, it is characterized in that: be provided with by the push rod of anti-fall air cylinder driven on described framework main top, cross out during the work of this push rod; Described framework main is equipped with anti-fall counterweight by counterweight track adjusting wheel, and 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 respectively by the both sides of pulley with described loading lifting table.
2. straight top type loading lifting table according to claim 1, is characterized in that: the described wire rope pulley winding drawing 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 CN103274335A (en) | 2013-09-04 |
| CN103274335B true CN103274335B (en) | 2015-12-23 |
Family
ID=49056998
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 |
|---|---|
| CN (1) | CN103274335B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3313296B2 (en) * | 1996-05-14 | 2002-08-12 | ティー・シー・エム株式会社 | Lifting and moving equipment |
| CN100340465C (en) * | 2003-12-11 | 2007-10-03 | 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 |
| CN102101617B (en) * | 2011-03-23 | 2013-01-30 | 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 |
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2013
- 2013-05-29 CN CN201310204000.9A patent/CN103274335B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103274335A (en) | 2013-09-04 |
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