CN105347249A - Hydraulic elevator with emergency protection system - Google Patents
Hydraulic elevator with emergency protection system Download PDFInfo
- Publication number
- CN105347249A CN105347249A CN201510854701.6A CN201510854701A CN105347249A CN 105347249 A CN105347249 A CN 105347249A CN 201510854701 A CN201510854701 A CN 201510854701A CN 105347249 A CN105347249 A CN 105347249A
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- China
- Prior art keywords
- support arm
- protection system
- hydraulic hoist
- carrying platform
- hydraulic
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Abstract
The invention relates to a hydraulic elevator with an emergency protection system. The hydraulic elevator comprises a base, a bearing platform, a supporting arm, a driving mechanism and a safety protection system, wherein the safety protection system comprises a positioning strip, a flexible sheath, a contact strip, a sensor and a processor; the positioning strip is arranged on the peripheral direction of the bearing platform and closed at the bottom of the bearing platform by the flexible sheath, and an empty chamber is formed in the flexible sheath; the contact strip is arranged on the peripheral direction of the flexible sheath and positioned in the flexible sheath; a gap exists between the contact strip and the positioning strip, the contact strip is positioned at the middle lower part of the flexible sheath, and the two sides of the contact strip are fixedly connected with the side wall of the empty chamber; the processor is communicated with the driving mechanism. After the flexible sheath is acted by an external force, the contact strip deforms along with the flexible sheath and makes contact with the positioning strip; after the sensors receives information, the information is sent to the processor, and the driving mechanism stops working at once. The hydraulic elevator can stop lifting in time or at any time, so that accidents are prevented.
Description
Technical field
the present invention relates to a kind of hydraulic hoist with emergency protection system.
Background technology
at present, hydraulic hoist is restricted hardly with its stroke, and load-carrying capacity is strong, is used widely in a lot of industry.But; consider the safety used; if such as pay no attention to decline process operator, be easy to carried platform and base crushes pin, simultaneously; general elevator seldom has emergency protection system; even if there is that to be also arrange a danger button in switching manipulation district, and once after carrying platform and base crush pin, then remove to press danger button; the loss regular hour, the generation of safety misadventure cannot be stoped by fast speed.
Summary of the invention
technical matters to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of hydraulic hoist with emergency protection system of improvement, and structure is simple, and it is convenient to implement, and elevator can be made in time to stop lifting, the generation of prevention accident.
for solving the problems of the technologies described above, the technical scheme that the present invention takes is as follows:
have a hydraulic hoist for emergency protection system, it comprises base, carrying platform, being positioned at base both sides is inside and outside hold-down arm arranged in a crossed manner, drive the driver train that hold-down arm relatively launches or draws in, along the circumference of carrying platform, and be arranged on the safety system of carrying platform bottom surface, this safety system comprises the positioning strip that the circumference along carrying platform is arranged, positioning strip is enclosed in the flexible shroud that bottom carrying platform and inside has cavity, along flexible shroud circumference and be positioned at the contact bar of flexible shroud inside, and sensor and treater, wherein there is gap between contact bar and positioning strip, contact bar is positioned at the middle and lower part of flexible shroud, and both sides are fixedly connected with cavity sidewalls, treater is connected with driver train, after flexible shroud is subject to external force, contact bar contacts with positioning strip along with flexible shroud deformation, after sensor receives information information is sent to treater, driver train quits work immediately.
preferably, contact bar and positioning strip be arranged in parallel.Be not easy to occur maloperation.
specifically implement and preferred aspect according to one of the present invention, hold-down arm comprises external chiasma in middle part and rotate the first support arm and the second support arm that connect, this bottom that the first support arm bottom is arranged on base rotationally, upper end is slidably arranged in carrying platform; The bottom that second support arm bottom is slidably arranged on base, upper end is located at carrying platform rotationally.
further, hydraulic hoist also comprise for by the first pole of support arm bottom, both sides second synchronized links, be used for the second pole of support arm middle and upper part, both sides first synchronized links, driver train comprises both ends and is arranged on the hydraulic ram on the first pole and the second pole respectively rotationally and is arranged on base and hydraulic power unit between supported on both sides arm.
preferably, hydraulic ram has two, and is arranged side by side; Hydraulic hoist also comprises and to be arranged between the second support arm of both sides and for the fagging of support hydraulic pressure oil cylinder; And the stirrup be horizontally set with respectively between the first support arm of both sides and between the second support arm, on fagging, be wherein also provided with the breach for dodging hydraulic ram.
preferably, be provided with slide rail respectively on base and carrying platform, the first support arm upper end and the second support arm bottom are slidably arranged on slide rail respectively.Be convenient to the lifting that carrying platform is stable.
further, the roller that can roll on slide rail is separately installed with in the first support arm upper end and the second support arm bottom.
specifically implement and preferred aspect according to of the present invention another, be respectively equipped with spacing column in the corner of base, when hydraulic hoist is in minimum state, carrying platform is erected on spacing column.Serve effect that is spacing and that support.
further, spacing column is respectively equipped with connecting bore, the corner corresponding with it at carrying platform is also provided with the connector that can be threaded mutually with connecting bore.Spacing column now also has an effect: the movement being convenient to elevator.
concrete, connector be provided be convenient to hydraulic hoist to be sling or shifts buckle hole.
due to the enforcement of above technical scheme, the present invention compared with prior art tool has the following advantages:
the present invention can make elevator stop lifting, the generation of prevention accident in time, and meanwhile, elevator can also be made at any time to stop lifting, guarantee the emergency capability of self, it is convenient to implement, and cost is low.
Accompanying drawing explanation
fig. 1 is the perspective view according to hydraulic hoist of the present invention;
fig. 2 is the cross-sectional schematic (being in most high state) according to hydraulic hoist of the present invention;
fig. 3 is the cross-sectional schematic (being in minimum state) according to hydraulic hoist of the present invention;
fig. 4 is the perspective view of Fig. 2 middle supporting plate;
fig. 5 is the close-up schematic view of the safety system according to hydraulic hoist of the present invention;
wherein: 1, base; 2, carrying platform; 3, hold-down arm; 31, the first support arm; 32, the second support arm; 4, driver train; 40, hydraulic ram; 41, hydraulic power unit; 5, the first pole; 6, the second pole; 7, safety system; 70, positioning strip; 71, flexible shroud; 72, contact bar; 8, spacing column; 80, connecting bore; 9, connector; 90, hole is buckled; 10, fagging; 11, stirrup; A, slide rail; B, roller; C, cavity; D, breach.
Detailed description of the invention
below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described in detail.
see Fig. 1 to Fig. 5; the hydraulic hoist of emergency protection system that what the present embodiment provided have, it comprises base 1, carrying platform 2, is positioned at the driver train 4 that base 1 both sides are inside and outside hold-down arm 3 arranged in a crossed manner and drive hold-down arm 3 relatively to launch or draw in.
hold-down arm 3 comprises external chiasma in middle part and the first support arm 31 and the second support arm 32 connected that rotate, this bottom that the first support arm 31 bottom is arranged on base 1 rotationally, upper end is slidably arranged in carrying platform 2; Second bottom that support arm 32 bottom is slidably arranged on base 1, upper end is located at carrying platform 2 rotationally.
hydraulic hoist also comprise for by the first pole 5 of support arm 32 bottom, both sides second synchronized links, be used for the second pole 6 of support arm 31 middle and upper part, both sides first synchronized links, driver train 4 comprises both ends and is arranged on the hydraulic ram 40 on the first pole 5 and the second pole 6 respectively rotationally and is arranged on base 1 and hydraulic power unit 41 between supported on both sides arm 3.
concrete, on base 1 and carrying platform 2, be provided with slide rail a respectively, the first support arm 31 upper end and the second support arm 32 bottom are slidably arranged on slide rail a respectively.Be convenient to the lifting that carrying platform 2 is stable.
further, the roller b that can roll on slide rail a is separately installed with in the first support arm 31 upper end and the second support arm 32 bottom.
meanwhile, along carrying platform 2 circumference and be arranged on carrying platform 2 bottom surface and the timely out-of-work safety system 7 of driver train 4 can be made.
concrete, safety system 7 comprises the positioning strip 70 that the circumference along carrying platform 2 is arranged, positioning strip 70 is enclosed in the flexible shroud 71 that bottom carrying platform 2 and inside has cavity c, along flexible shroud 71 circumference and be positioned at the contact bar 72 of flexible shroud 71 inside, and sensor (not shown) and treater (not shown), wherein there is gap between contact bar 72 and positioning strip 70, treater is connected with driver train 4, after flexible shroud 71 is subject to external force, contact bar 72 contacts with positioning strip 70 along with flexible shroud 71 deformation, after sensor receives information information is sent to treater, driver train 4 quits work immediately.
in this example, contact bar 72 and positioning strip 70 be arranged in parallel.Be not easy to occur maloperation.Install its main object of safety system 7 in this example is in particular cases adopt expeditious measures to elevator simultaneously, meanwhile, can also prevent carrying platform 2 from decline process, bringing unexpected injury to operator by actv..
further, contact bar 72 is positioned at the middle and lower part of flexible shroud 70, and both sides are fixedly connected with cavity c sidewall.Prevent maloperation.
meanwhile, be respectively equipped with spacing column 8 in the corner of base 1, when hydraulic hoist is in minimum state, carrying platform 2 is erected on spacing column 8.Serve effect that is spacing and that support.
further, spacing column 8 is respectively equipped with connecting bore 80, the corner corresponding with it at carrying platform 2 is also provided with the connector 9 that can be threaded mutually with connecting bore 80.Spacing column 8 now also has an effect: the movement being convenient to elevator.
concrete, connector 9 be provided be convenient to hydraulic hoist to be sling or shifts buckle hole 90.
in addition, hydraulic ram 40 has two, and is arranged side by side; Hydraulic hoist also comprises and to be arranged between the second support arm 32 of both sides and for the fagging 10 of support hydraulic pressure oil cylinder 40; And the stirrup 11 be horizontally set with respectively between the first support arm 31 of both sides and between the second support arm 32, on fagging 10, be wherein also provided with the breach d for dodging hydraulic ram 40.
above to invention has been detailed description; its object is to allow the personage being familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; the equivalence change that all Spirit Essences according to the present invention are done or modification, all should be encompassed in protection scope of the present invention.
Claims (10)
1. one kind has the hydraulic hoist of emergency protection system, it comprises base, carrying platform, being positioned at described base both sides is inside and outside hold-down arm arranged in a crossed manner, and the driver train that the hold-down arm described in driving relatively launches or draws in, it is characterized in that: described hydraulic hoist also comprises the circumference along described carrying platform, and be arranged on the safety system of described carrying platform bottom surface, described safety system comprises the positioning strip that the circumference along described carrying platform is arranged, described positioning strip is enclosed in the flexible shroud that bottom described carrying platform and inside has cavity, along described flexible shroud circumference and be positioned at the contact bar of described flexible shroud inside, and sensor and treater, gap is there is between wherein said contact bar and described positioning strip, described contact bar is positioned at the middle and lower part of described flexible shroud, and both sides are fixedly connected with described cavity sidewalls, described treater is connected with described driver train, after described flexible shroud is subject to external force, described contact bar contacts with described positioning strip along with described flexible shroud deformation, after described sensor receives information information is sent to described treater, described driver train quits work immediately.
2. the hydraulic hoist with emergency protection system according to claim 1, is characterized in that:
Described contact bar and described positioning strip be arranged in parallel.
3. the hydraulic hoist with emergency protection system according to claim 1, it is characterized in that: described hold-down arm comprises external chiasma in middle part and rotate the first support arm and the second support arm that connect, the bottom that bottom is arranged on described base rotationally, upper end is slidably arranged in described carrying platform of described first support arm; The described bottom that the second support arm bottom is slidably arranged on described base, upper end is located at described carrying platform rotationally.
4. the hydraulic hoist with emergency protection system according to claim 3, is characterized in that:
Described hydraulic hoist also comprise for by the first pole of the second support arm bottom synchronized links described in both sides, be used for the second pole of the first support arm middle and upper part synchronized links described in both sides, described driver train comprises both ends and is arranged on the hydraulic ram on described first pole and the second described pole respectively rotationally and is arranged on described base and at the hydraulic power unit described in both sides between hold-down arm.
5. the hydraulic hoist with emergency protection system according to claim 4, is characterized in that: described hydraulic ram has two, and is arranged side by side.
6. the hydraulic hoist with emergency protection system according to claim 5, is characterized in that: hydraulic hoist also comprises and to be arranged between the second support arm of both sides and for the fagging of support hydraulic pressure oil cylinder; And the stirrup be horizontally set with respectively between the first support arm of both sides and between the second support arm, on fagging, be wherein also provided with the breach for dodging hydraulic ram.
7. the hydraulic hoist with emergency protection system according to claim 3; it is characterized in that: on described base and described carrying platform, be provided with slide rail respectively, the first described support arm upper end and the second described support arm bottom are slidably arranged on described slide rail respectively.
8. the hydraulic hoist with emergency protection system according to claim 7, is characterized in that: be separately installed with the roller that can roll on described slide rail in the first described support arm upper end and the second described support arm bottom.
9. the hydraulic hoist with emergency protection system according to claim 1; it is characterized in that: be respectively equipped with spacing column in the corner of described base; when described hydraulic hoist is in minimum state, described carrying platform is erected on described spacing column.
10. the hydraulic hoist with emergency protection system according to claim 9; it is characterized in that: on described spacing column, be respectively equipped with connecting bore; the corner corresponding with it at described carrying platform is also provided with the connector that can be threaded mutually with described connecting bore, described connector be provided be convenient to described hydraulic hoist to be sling or shifts buckle hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854701.6A CN105347249B (en) | 2015-11-30 | 2015-11-30 | A kind of hydraulic elevator with emergency protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854701.6A CN105347249B (en) | 2015-11-30 | 2015-11-30 | A kind of hydraulic elevator with emergency protection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105347249A true CN105347249A (en) | 2016-02-24 |
| CN105347249B CN105347249B (en) | 2018-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510854701.6A Active CN105347249B (en) | 2015-11-30 | 2015-11-30 | A kind of hydraulic elevator with emergency protection system |
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| Country | Link |
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| CN (1) | CN105347249B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115548A (en) * | 2016-08-18 | 2016-11-16 | 湖南星邦重工有限公司 | Hoistable platform and control system thereof and control method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4394888A (en) * | 1981-06-05 | 1983-07-26 | Advance Lifts, Inc. | Bridging bar attachment means for bi-elevational platform lift |
| US20010013307A1 (en) * | 1999-11-03 | 2001-08-16 | Robert M. Stone | Safety toe-sensor for lift table |
| CN2851232Y (en) * | 2005-10-31 | 2006-12-27 | 李良 | Fork lifting platform for use in repairing motorcycle |
| CN101443525A (en) * | 2006-06-07 | 2009-05-27 | 株式会社藤田 | Obstacle detector of electric shutter and electric shutter equipped with obstacle detector |
| KR20090122636A (en) * | 2008-05-26 | 2009-12-01 | (주)파워렉스코퍼레이션 | Safety device for car lift |
| CN201597195U (en) * | 2009-09-25 | 2010-10-06 | 盐城市中液液压件有限公司 | Lifting mechanism of single-scissor and single-piston rod hydraulic cylinder |
| CN202482023U (en) * | 2011-12-21 | 2012-10-10 | 上海人造板机器厂有限公司 | Safety protection device of hydraulic elevator platform for producing artificial board |
| CN205114953U (en) * | 2015-11-30 | 2016-03-30 | 苏州市康鼎升降机械有限公司 | Hydraulic lift with emergent protection system |
-
2015
- 2015-11-30 CN CN201510854701.6A patent/CN105347249B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4394888A (en) * | 1981-06-05 | 1983-07-26 | Advance Lifts, Inc. | Bridging bar attachment means for bi-elevational platform lift |
| US20010013307A1 (en) * | 1999-11-03 | 2001-08-16 | Robert M. Stone | Safety toe-sensor for lift table |
| CN2851232Y (en) * | 2005-10-31 | 2006-12-27 | 李良 | Fork lifting platform for use in repairing motorcycle |
| CN101443525A (en) * | 2006-06-07 | 2009-05-27 | 株式会社藤田 | Obstacle detector of electric shutter and electric shutter equipped with obstacle detector |
| KR20090122636A (en) * | 2008-05-26 | 2009-12-01 | (주)파워렉스코퍼레이션 | Safety device for car lift |
| CN201597195U (en) * | 2009-09-25 | 2010-10-06 | 盐城市中液液压件有限公司 | Lifting mechanism of single-scissor and single-piston rod hydraulic cylinder |
| CN202482023U (en) * | 2011-12-21 | 2012-10-10 | 上海人造板机器厂有限公司 | Safety protection device of hydraulic elevator platform for producing artificial board |
| CN205114953U (en) * | 2015-11-30 | 2016-03-30 | 苏州市康鼎升降机械有限公司 | Hydraulic lift with emergent protection system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115548A (en) * | 2016-08-18 | 2016-11-16 | 湖南星邦重工有限公司 | Hoistable platform and control system thereof and control method |
| CN106115548B (en) * | 2016-08-18 | 2018-12-07 | 湖南星邦重工有限公司 | Hoistable platform and its control system and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105347249B (en) | 2018-01-30 |
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