CN202936174U - Hydraulic pressure leveling system and rail-road convertible car - Google Patents
Hydraulic pressure leveling system and rail-road convertible car Download PDFInfo
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- CN202936174U CN202936174U CN 201220644376 CN201220644376U CN202936174U CN 202936174 U CN202936174 U CN 202936174U CN 201220644376 CN201220644376 CN 201220644376 CN 201220644376 U CN201220644376 U CN 201220644376U CN 202936174 U CN202936174 U CN 202936174U
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- leveling
- leveling cyclinder
- cyclinder
- oil cylinder
- rod chamber
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Abstract
The utility model provides a hydraulic pressure leveling system and a rail-road convertible car. The hydraulic pressure leveling system comprises a lower leveling oil cylinder and an upper leveling oil cylinder, wherein a rod cavity of the lower leveling oil cylinder is connected with a rod cavity the upper leveling oil cylinder, a rod-free cavity of the upper leveling oil cylinder is connected with a rod-free cavity of the lower leveling oil cylinder through a balance valve, and a control oil circuit of the balance valve is connected with the rod cavity of the upper leveling oil cylinder. By arranging the balance valve between the lower leveling oil cylinder and the upper leveling oil cylinder, when an oil tube which is connected with the upper leveling oil cylinder breaks, the balance valve is capable of ensuring that the upper leveling oil cylinder has some back-pressure to guarantee that a cage cannot turn over steeply. By means of the hydraulic pressure leveling system, the safety of high altitude working platforms is improved, and the reliability of the rail-road convertible car is improved.
Description
Technical field
The utility model relates to autorail, relates in particular to a kind of leveling hydraulic system and autorail.
Background technology
At present, autorail both can travel on highway because of it, can move on railway again, was widely used in the rail transport industry.The operations such as autorail is generally used for rail traction, repairing, constructs and speedily carries out rescue work, autorail of the prior art mainly comprises: chassis, tire, track adjusting wheel and high-altitude operation platform.Tire and track adjusting wheel are separately positioned on the bottom on chassis, and high-altitude operation platform is assemblied on the chassis.Autorail can pass through tire running on highway; On railway, can lead by track adjusting wheel, autorail is travelled along guide rail.as depicted in figs. 1 and 2, high-altitude operation platform generally includes the base 101 that is connected in turn, elevating ram 102, telescopic boom 103, folding arm 104 and working bucket 105, in order to regulate the position of working bucket, make working bucket be in horizontality, lower leveling cyclinder 106 is set between base 101 and telescopic boom 103 usually, between telescopic boom 103 and folding arm 104, leveling cyclinder 107 is set, the rod chamber body 1062 of lower leveling cyclinder 106 is connected with the rod chamber body 1072 of upper leveling cyclinder 107, the rodless cavity body 1061 of lower leveling cyclinder 106 is connected with the rodless cavity body 1071 of upper leveling cyclinder 107.When elevating ram 102 drove telescopic boom 103 rotation, the elevating ram 102 of following of lower leveling cyclinder 106 together stretched, and upper leveling cyclinder 107 is followed lower leveling cyclinder 106 interlocks, thereby makes working bucket 105 be in horizontality.High-altitude operation platform is in long-time use procedure, the connecting line that easily occurs between lower leveling cyclinder 106 and upper leveling cyclinder 107 breaks, thereby cause the staff in working bucket 105 upset damage working buckets 105, cause the safety of aloft work platform of the prior art lower, the reliability of autorail is lower.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of leveling hydraulic system and autorail are provided, the safety that solves prior art high and medium operation post is lower, the defective that the reliability of autorail is lower, realization improves the safety of aloft work platform by leveling hydraulic system, to improve the reliability of autorail.
The technical scheme that the utility model provides is, a kind of leveling hydraulic system, comprise lower leveling cyclinder and upper leveling cyclinder, the rod chamber body of described lower leveling cyclinder is connected with the rod chamber body of described upper leveling cyclinder, the rodless cavity body of described upper leveling cyclinder is connected with the rodless cavity body of described lower leveling cyclinder by balance cock, and the oil circuit control of described balance cock is connected on the rod chamber body of described upper leveling cyclinder.
Leveling hydraulic system as above, the rod chamber body of described lower leveling cyclinder and the rodless cavity body of described lower leveling cyclinder link together by Bidirectional balanced valve, two oil circuit controls of described Bidirectional balanced valve respectively with the rod chamber body of described lower leveling cyclinder be connected the rodless cavity body of lower leveling cyclinder and be connected.
Leveling hydraulic system as above, described leveling hydraulic system comprise two described lower leveling cyclinders and two described upper leveling cyclinders; Each described upper leveling oil cylinder rodless cavity body is connected with a described balance cock; Two described lower leveling cyclinders are connected with described Bidirectional balanced valve respectively.
The technical scheme that the utility model provides is, a kind of autorail, comprise leveling hydraulic system, described leveling hydraulic system comprises lower leveling cyclinder and upper leveling cyclinder, the rod chamber body of described lower leveling cyclinder is connected with the rod chamber body of described upper leveling cyclinder, the rodless cavity body of described upper leveling cyclinder is connected with the rodless cavity body of described lower leveling cyclinder by balance cock, and the oil circuit control of described balance cock is connected on the rod chamber body of described upper leveling cyclinder.
Autorail as above, the rod chamber body of described lower leveling cyclinder and the rodless cavity body of described lower leveling cyclinder link together by Bidirectional balanced valve, two oil circuit controls of described Bidirectional balanced valve respectively with the rod chamber body of described lower leveling cyclinder be connected the rodless cavity body of lower leveling cyclinder and be connected.
Autorail as above, described leveling hydraulic system comprise two described lower leveling cyclinders and two described upper leveling cyclinders; Each described upper leveling oil cylinder rodless cavity body is connected with a described balance cock; Two described lower leveling cyclinders are connected with described Bidirectional balanced valve respectively.
The leveling hydraulic system that the utility model provides and autorail, by between lower leveling cyclinder and upper leveling cyclinder, balance cock being set, when the oil pipe that connects upper leveling cyclinder breaks, balance cock can guarantee that thereby upper leveling cyclinder has certain back pressure and guarantees that working bucket can not turn over suddenly, realization improves the safety of aloft work platform by leveling hydraulic system, to improve the reliability of autorail.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of prior art high and medium job platform;
Fig. 2 is the connection diagram of descending in prior art between leveling cyclinder and upper leveling cyclinder;
Fig. 3 is the structural representation of the utility model leveling hydraulic system embodiment.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 3, the present embodiment leveling hydraulic system, comprise lower leveling cyclinder 1 and upper leveling cyclinder 2, the rod chamber body of lower leveling cyclinder 1 is connected with the rod chamber body of upper leveling cyclinder 2, the rodless cavity body of upper leveling cyclinder 2 is connected with the rodless cavity body of lower leveling cyclinder 1 by balance cock 3, and the oil circuit control of balance cock 3 (not shown) is connected on the rod chamber body of leveling cyclinder 2.
Particularly, the present embodiment leveling hydraulic system arranges balance cock 3 between lower leveling cyclinder 1 and upper leveling cyclinder 2, when the oil pipe of balance cock 3 between lower leveling cyclinder 1 and upper leveling cyclinder 2 breaks, can guarantee that upper leveling cyclinder 2 has certain back pressure, thereby avoid leveling cyclinder 2 to be subjected to working bucket pressure and stretch, guarantee that working bucket still keeps horizontality, personal damage appears in minimizing.
Further, the rod chamber body of lower leveling cyclinder 1 and the rodless cavity body of lower leveling cyclinder 1 link together by Bidirectional balanced valve 4, and two oil circuit controls (not shown) of Bidirectional balanced valve 4 are connected with the rod chamber body of lower leveling cyclinder 1 and the rodless cavity body of lower leveling cyclinder 1 respectively.Concrete, can guarantee further that by Bidirectional balanced valve 4 oil pipe of lower leveling cyclinder 1 keeps original state when breaking, can suddenly not turn over the safeguard work bucket, guarantee personnel's personal safety.Preferably, the present embodiment leveling hydraulic system comprises two lower leveling cyclinders 1 and two upper leveling cyclinders 2; On each, leveling cyclinder 2 rodless cavity bodies are connected with a balance cock 3; Two lower leveling cyclinders 1 are connected with Bidirectional balanced valve 4 respectively.
The utility model also provides a kind of autorail, comprise leveling hydraulic system, leveling hydraulic system comprises lower leveling cyclinder and upper leveling cyclinder, the rod chamber body of lower leveling cyclinder is connected with the rod chamber body of upper leveling cyclinder, the rodless cavity body of upper leveling cyclinder is connected with the rodless cavity body of lower leveling cyclinder by balance cock, and the oil circuit control of balance cock is connected on the rod chamber body of leveling cyclinder.
Particularly, leveling hydraulic system in the present embodiment can adopt the leveling hydraulic system in the utility model leveling hydraulic system embodiment, its concrete structure can referring to the record of the utility model leveling hydraulic system embodiment and accompanying drawing 3, not repeat them here.
The leveling hydraulic system that the utility model provides and autorail, by between lower leveling cyclinder and upper leveling cyclinder, balance cock being set, when the oil pipe that connects upper leveling cyclinder breaks, balance cock can guarantee that thereby upper leveling cyclinder has certain back pressure and guarantees that working bucket can not turn over suddenly, realization improves the safety of aloft work platform by leveling hydraulic system, to improve the reliability of autorail.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (6)
1. leveling hydraulic system, comprise lower leveling cyclinder and upper leveling cyclinder, the rod chamber body of described lower leveling cyclinder is connected with the rod chamber body of described upper leveling cyclinder, it is characterized in that, the rodless cavity body of described upper leveling cyclinder is connected with the rodless cavity body of described lower leveling cyclinder by balance cock, and the oil circuit control of described balance cock is connected on the rod chamber body of described upper leveling cyclinder.
2. leveling hydraulic system according to claim 1, it is characterized in that, the rod chamber body of described lower leveling cyclinder and the rodless cavity body of described lower leveling cyclinder link together by Bidirectional balanced valve, two oil circuit controls of described Bidirectional balanced valve respectively with the rod chamber body of described lower leveling cyclinder be connected the rodless cavity body of lower leveling cyclinder and be connected.
3. leveling hydraulic system according to claim 2, is characterized in that, described leveling hydraulic system comprises two described lower leveling cyclinders and two described upper leveling cyclinders; Each described upper leveling oil cylinder rodless cavity body is connected with a described balance cock; Two described lower leveling cyclinders are connected with described Bidirectional balanced valve respectively.
4. autorail, comprise leveling hydraulic system, described leveling hydraulic system comprises lower leveling cyclinder and upper leveling cyclinder, the rod chamber body of described lower leveling cyclinder is connected with the rod chamber body of described upper leveling cyclinder, it is characterized in that, the rodless cavity body of described upper leveling cyclinder is connected with the rodless cavity body of described lower leveling cyclinder by balance cock, and the oil circuit control of described balance cock is connected on the rod chamber body of described upper leveling cyclinder.
5. autorail according to claim 4, it is characterized in that, the rod chamber body of described lower leveling cyclinder and the rodless cavity body of described lower leveling cyclinder link together by Bidirectional balanced valve, two oil circuit controls of described Bidirectional balanced valve respectively with the rod chamber body of described lower leveling cyclinder be connected the rodless cavity body of lower leveling cyclinder and be connected.
6. autorail according to claim 5, is characterized in that, described leveling hydraulic system comprises two described lower leveling cyclinders and two described upper leveling cyclinders; Each described upper leveling oil cylinder rodless cavity body is connected with a described balance cock; Two described lower leveling cyclinders are connected with described Bidirectional balanced valve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220644376 CN202936174U (en) | 2012-11-30 | 2012-11-30 | Hydraulic pressure leveling system and rail-road convertible car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220644376 CN202936174U (en) | 2012-11-30 | 2012-11-30 | Hydraulic pressure leveling system and rail-road convertible car |
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| Publication Number | Publication Date |
|---|---|
| CN202936174U true CN202936174U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220644376 Expired - Lifetime CN202936174U (en) | 2012-11-30 | 2012-11-30 | Hydraulic pressure leveling system and rail-road convertible car |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545836A (en) * | 2016-01-28 | 2016-05-04 | 河南骏通车辆有限公司 | Subframe leveling hydraulic control system for leveling of dumper |
| CN105570216A (en) * | 2016-02-22 | 2016-05-11 | 徐州徐工特种工程机械有限公司 | Automatic leveling hydraulic system of telescopic boom forklift tipping bucket for preventing follow-up of big arm |
| CN106194896A (en) * | 2016-08-22 | 2016-12-07 | 阳谷祥光铜业有限公司 | The oil cylinder of a kind of U-shaped frame-type cinder ladle car and self-locking device thereof |
| CN107253695A (en) * | 2017-08-17 | 2017-10-17 | 湖南星邦重工有限公司 | Aerial lift device and its fly jib system |
| CN113417904A (en) * | 2021-07-15 | 2021-09-21 | 福建庄金科技有限公司 | Multi-inclined strut hydraulic balance control method for pile machine |
| CN113830709A (en) * | 2021-11-25 | 2021-12-24 | 徐州徐工随车起重机有限公司 | Double-rotation telescopic amplitude-variable lifting platform, leveling mechanism hydraulic system and control method |
| CN113929019A (en) * | 2021-12-20 | 2022-01-14 | 莱州巨浪机械有限公司 | Multifunctional forklift truck |
-
2012
- 2012-11-30 CN CN 201220644376 patent/CN202936174U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545836A (en) * | 2016-01-28 | 2016-05-04 | 河南骏通车辆有限公司 | Subframe leveling hydraulic control system for leveling of dumper |
| CN105570216A (en) * | 2016-02-22 | 2016-05-11 | 徐州徐工特种工程机械有限公司 | Automatic leveling hydraulic system of telescopic boom forklift tipping bucket for preventing follow-up of big arm |
| CN105570216B (en) * | 2016-02-22 | 2017-12-15 | 徐州徐工特种工程机械有限公司 | A kind of Telescopic handler tipping bucket automatic leveling hydraulic system for preventing large arm servo-actuated |
| CN106194896A (en) * | 2016-08-22 | 2016-12-07 | 阳谷祥光铜业有限公司 | The oil cylinder of a kind of U-shaped frame-type cinder ladle car and self-locking device thereof |
| CN107253695A (en) * | 2017-08-17 | 2017-10-17 | 湖南星邦重工有限公司 | Aerial lift device and its fly jib system |
| CN107253695B (en) * | 2017-08-17 | 2023-11-17 | 湖南星邦智能装备股份有限公司 | Aerial working equipment and fly arm system thereof |
| CN113417904A (en) * | 2021-07-15 | 2021-09-21 | 福建庄金科技有限公司 | Multi-inclined strut hydraulic balance control method for pile machine |
| CN113417904B (en) * | 2021-07-15 | 2024-02-27 | 福建庄金科技有限公司 | Multi-diagonal bracing hydraulic balance control method for pile machine |
| CN113830709A (en) * | 2021-11-25 | 2021-12-24 | 徐州徐工随车起重机有限公司 | Double-rotation telescopic amplitude-variable lifting platform, leveling mechanism hydraulic system and control method |
| CN113929019A (en) * | 2021-12-20 | 2022-01-14 | 莱州巨浪机械有限公司 | Multifunctional forklift truck |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |
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| CX01 | Expiry of patent term |