CN203890972U - Hydraulic arc-shaped lifting dam - Google Patents
Hydraulic arc-shaped lifting dam Download PDFInfo
- Publication number
- CN203890972U CN203890972U CN201420282888.8U CN201420282888U CN203890972U CN 203890972 U CN203890972 U CN 203890972U CN 201420282888 U CN201420282888 U CN 201420282888U CN 203890972 U CN203890972 U CN 203890972U
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- Prior art keywords
- hydraulic cylinder
- hydraulic
- dam
- oil duct
- oil
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- Withdrawn - After Issue
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Abstract
The utility model discloses a hydraulic arc-shaped lifting arm. A locking mechanism is arranged on a hydraulic cylinder (1), an oil return channel is arranged on the locking mechanism, the hydraulic cylinder (1) has a self-locking or self-opening function by means of a locking pin (7), the hydraulic cylinder (1) can be automatically locked when a dam body (12) rises, the situation that the hydraulic cylinder (1) is damaged when the dam body (12) is impacted by water currents or the dam body (12) is accidentally descended or closed due to leakage of the hydraulic cylinder (1) is avoided, stability and safety of opening and closing of the dam body (12) are greatly improved, the dam can be automatically locked or loosened, the automation degree is high and work efficiency is high.
Description
Technical field
The utility model belongs to hydraulic engineering technical field, relates in particular to the hydraulic pressure arc dam that hoists.
Background technology
Hydraulic lifting dam is widely used in the construction such as agricultural irrigation, fishery, ship lock, seawater gear tide, city river landscape engineering and small hydropower station,
Realizing in process of the present utility model, utility model people finds that prior art at least exists following problem: conventional hydraulic hoist dam adopt Driven by Hydraulic Cylinder, at dam body in rising when state, dam body is constantly subject to the impact of current, easily damage hydraulic cylinder, or cause hydraulic cylinder to lose efficacy, dam body declines, and adopt they sup-port lifting dam easily to cause maloperation, cause the damage on dam.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of have automatically lock hydraulic cylinder function, without providing support bar supplemental support, the safe and reliable hydraulic pressure arc dam that hoists.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: the hydraulic pressure arc dam that hoists, comprise hydraulic means, rotating shaft and dam body, piston rod and the dam body of described hydraulic means are hinged, described dam body is fixedly mounted in rotating shaft, described rotating shaft is installed in rotation on bearing support, described hydraulic means comprises Hydraulic Station and hydraulic cylinder, Hydraulic Station is connected with hydraulic cylinder by oil pipe, described hydraulic cylinder comprises cylinder barrel, piston rod and piston, described piston rod one end and piston axial restraint, the other end and dam body are hinged, described piston and inner wall of cylinder sealing, described hydraulic cylinder opening part is provided with the fairlead with piston rod packing, and described dam body cross section is arc, and intrados is back side,
Near described piston rod upper piston, be set with the axle sleeve of axial location, axle sleeve is provided with stopper slot, near casing wall described hydraulic cylinder opening is provided with the locking pin that stretches into hydraulic cylinder and can slide on hydraulic cylinder casing wall, described locking pin and stopper slot are suitable, are also provided with the driving mechanism that drives locking pin to slide.
Described driving mechanism comprises holder, fixed cover and spring, described holder is fixedly mounted on hydraulic cylinder outer wall, fixed cover is fixedly connected with holder, described locking pin is slidably mounted in fixed cover, locking pin near middle and fixed cover sealing are also divided into two parts by fixed cover inner space, locking pin one end is the tight lock part that stretches into hydraulic cylinder, and this side space of fixed cover forms oil back chamber; The other end is connected with spring, and the oil back chamber of described fixed cover is provided with oil duct one, and described oil duct one is connected with Hydraulic Station; Described tight lock part is provided with the oil duct three being communicated with hydraulic cylinder, and when the position of oil duct three makes tight lock part depart from hydraulic cylinder cavity, oil duct three is communicated with oil back chamber.
Described stopper slot one side is piston, and opposite side is the boss that approaches hydraulic cylinder inwall on axle sleeve.
Described oil duct three comprises the radial direction oil that is arranged on the axial oil duct of tight lock part end and is communicated with axial oil duct, and in the time that tight lock part departs from hydraulic cylinder cavity, radial direction oil is communicated with oil back chamber.
Described locking pin near middle is provided with two steps, is provided with the sealing ring with fixed cover sealing between two steps.
Described cylinder bottoms of hydraulic cylinders is established oil duct two, and described oil duct two and oil duct one form the oil duct loop of hydraulic cylinder.
Described axle sleeve is provided with stair-stepping step away from one end of piston, and described fairlead is provided with the step groove suitable with stair-stepping step.
The inner arc side of described dam body is at least arranged two hydraulic cylinders is installed.
A technical scheme tool in technique scheme has the following advantages or beneficial effect, and by design of dam body camber, the skidding off of floater while being conducive to overflow, avoids the frontal impact of floating thing to dam body, reduces the resistance of dam body to current, strengthens landscape effect; The hydraulic cylinder of locking pin has the function of automatic locking or unlatching, can be in the time that dam body rises automatic locking hydraulic cylinder, prevent that dam body hydraulic cylinder under the impact of current from damaging or causing dam body surprisingly decline or close because hydraulic cylinder leaks, and improves stability and safety that dam body opens and closes greatly.
Brief description of the drawings
Fig. 1 is the hoist structural representation on dam of the hydraulic pressure arc providing in the utility model embodiment;
Fig. 2 is the structural representation of hydraulic means in Fig. 1;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Mark in above-mentioned figure is: 1, hydraulic cylinder, 2, piston rod, 3, piston, 4, axle sleeve, 41, stopper slot, 42, step, 5, fairlead, 51, step groove, 6, holder, 7, locking pin, 71, oil duct three, 8, fixed cover, 81, oil duct one, 82, oil back chamber, 9, spring, 10, Hydraulic Station, 11, rotating shaft, 12, dam body, 13, oil duct two.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Referring to Fig. 1, the hydraulic pressure arc dam that hoists, comprise hydraulic means, rotating shaft 11 and dam body 12, the piston rod 2 of hydraulic means is hinged with dam body 12, dam body 12 is fixedly mounted in rotating shaft 11, rotating shaft 11 is installed in rotation on bearing support, and according to the difference of river width, dam body 12 can adopt the mode that single fan is installed or many fans attach together to arrange.Hydraulic means comprises Hydraulic Station 10 and hydraulic cylinder 1, and Hydraulic Station 10 is connected with hydraulic cylinder 1 by oil pipe, and hydraulic cylinder 1 comprises cylinder barrel, piston rod 2 and piston 3, piston rod 2 one end and piston 3 axial restraints, and the other end and dam body 12 are hinged, piston 3 and inner wall of cylinder sealing; Hydraulic cylinder 1 opening part is provided with the fairlead 5 sealing with piston rod 2, dam body 12 cross sections are arc, intrados is back side, dam plate arc design, profile is beautiful as rainbow, has both strengthened landscape effect, while facilitating overflow again, floater skids off, avoid the frontal impact of floating thing to dam plate, reduce the resistance of dam plate to current, increase the flow velocity of water.Compared with plate shaped dam plate, under condition of equivalent thickness condition, the compressive strength of dam plate is improved.
Near piston rod 2 upper pistons 3, be set with the axle sleeve 4 of axial location, axle sleeve 4 is provided with stopper slot 41, near casing wall hydraulic cylinder 1 opening is provided with the locking pin 7 that stretches into hydraulic cylinder 1 and can slide on hydraulic cylinder 1 casing wall, locking pin 7 is suitable with stopper slot 41, is also provided with the driving mechanism that drives locking pin 7 to slide.
As shown in Figure 2, driving mechanism comprises holder 6, fixed cover 8 and spring 9, holder 6 is fixedly mounted on hydraulic cylinder 1 outer wall, fixed cover 8 is fixedly connected with holder 6, locking pin 7 is slidably mounted in fixed cover 8, locking pin 7 near middles and fixed cover 8 seal and fixed cover 8 inner spaces are divided into two parts, and locking pin 7 one end are the tight lock part that stretches into hydraulic cylinder 1, and this side space of fixed cover 8 forms oil back chamber 82; The other end is connected with spring 9, and the oil back chamber 82 of fixed cover 8 is provided with oil duct 1, and oil duct 1 is connected with Hydraulic Station 10; Tight lock part is provided with the oil duct 3 71 being communicated with hydraulic cylinder 1, and when the position of oil duct 3 71 makes tight lock part depart from hydraulic cylinder 1 cavity, oil duct 3 71 is communicated with oil back chamber 82.
Stopper slot 41 1 sides are piston 3, and opposite side is the boss that approaches hydraulic cylinder 1 inwall on axle sleeve 4.
Oil duct 3 71 comprises the radial direction oil that is arranged on the axial oil duct of tight lock part end and is communicated with axial oil duct, and in the time that tight lock part departs from hydraulic cylinder 1 cavity, radial direction oil is communicated with oil back chamber 82.
Locking pin 7 near middles are provided with two steps, between two steps, are provided with the sealing ring sealing with fixed cover 8.
Hydraulic cylinder 1 cylinder bottom is established oil duct 2 13, and oil duct 2 13 and oil duct 1 form the oil duct loop of hydraulic cylinders 1.
Axle sleeve 4 is provided with stair-stepping step 42 away from one end of piston 3, and fairlead 5 is provided with the step groove 51 suitable with stair-stepping step 42, be convenient to piston rod 2 in the time stretching out and hydraulic cylinder 1 location fixing.
The course of work is as follows: Hydraulic Station 10 pump oil, enter from oil duct 2 13, promote piston 3 to left movement, oil in squeezed fluid cylinder pressure 1 rod chamber, locking pin 7 moves upward under oily pressure-acting, departs from gradually the cavity of hydraulic cylinder 1, the oil duct 3 71 of locking pin 7 is communicated with oil back chamber 82 afterwards, oil in hydraulic cylinder 1 rod chamber enters oil back chamber 82 via oil duct 3 71, then gets back to Hydraulic Station 10 through oil duct 1, completes the circulation of oil circuit.In the time that piston rod 2 moves to left-most position, axle sleeve 4 fits with fairlead 5, piston rod 2 remains static, and the oil in hydraulic cylinder 1 rod chamber is all discharged, and oil pressure reduces greatly until disappear, the pressure of locking pin 7 suffered oil also disappears thereupon, spring 9 compresses locking pin 7, and now stopper slot 41 positions on axle sleeve 4 are corresponding with the position of locking pin 7, under the effect of spring 9, locking pin 7 snaps in stopper slot 41, latching ram bar 2.In the time that needs unlock, Hydraulic Station 10 enters oil pump through oil duct 1 in the oil back chamber 82 of fixed cover 8, under the pressure of oil back chamber 82 interior oil, the pressure that locking pin 7 overcomes spring 9 moves upward, constantly extruding locking pin 7, locking pin 7 departs from from stopper slot 41, until the oil duct 3 71 of tight lock part is communicated with oil back chamber 82, oil enters the rod chamber of hydraulic cylinder 1 from oil duct 3 71, the now locking of piston rod 2 is removed, oil promotes piston 3, piston rod 2 is moved right, piston rod 2 shrinks, dam body 12 declines, oil in hydraulic cylinder 1 rodless cavity is got back to Hydraulic Station 10 through oil duct 2 13, and so forth, by reciprocating motion the automatic locking of piston rod 2, automatic unlocking, the safe lifting that realizes dam body opens and closes.
Adopt after above-mentioned structure, make hydraulic cylinder 1 there is the function of automatic locking or unlatching by locking pin 7, can be in the time that dam body 12 rises automatic locking hydraulic cylinder 1, prevent that dam body 12 hydraulic cylinder 1 under the impact of current from damaging or cause dam body 12 surprisingly decline or close because hydraulic cylinder 1 leaks, greatly improving stability and safety that dam body 12 opens and closes.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (8)
1. the hydraulic pressure arc dam that hoists, comprise hydraulic means, rotating shaft (11) and dam body (12), the piston rod (2) of described hydraulic means is hinged with dam body (12), described dam body (12) is fixedly mounted in rotating shaft (11), described rotating shaft (11) is installed in rotation on bearing support, described hydraulic means comprises Hydraulic Station (10) and hydraulic cylinder (1), Hydraulic Station (10) is connected with hydraulic cylinder (1) by oil pipe, described hydraulic cylinder (1) comprises cylinder barrel, piston rod (2) and piston (3), described piston rod (2) one end and piston (3) axial restraint, the other end and dam body (12) are hinged, described piston (3) and inner wall of cylinder sealing, described hydraulic cylinder (1) opening part is provided with the fairlead (5) with piston rod (2) sealing, it is characterized in that, described dam body (12) cross section is arc, and intrados is back side,
Near described piston rod (2) upper piston (3), be set with the axle sleeve (4) of axial location, axle sleeve (4) is provided with stopper slot (41), near casing wall described hydraulic cylinder (1) opening is provided with the locking pin (7) that stretches into hydraulic cylinder (1) and can slide on hydraulic cylinder (1) casing wall, described locking pin (7) is suitable with stopper slot (41), is also provided with the driving mechanism that drives locking pin (7) to slide.
2. the hydraulic pressure arc as claimed in claim 1 dam that hoists, it is characterized in that, described driving mechanism comprises holder (6), fixed cover (8) and spring (9), described holder (6) is fixedly mounted on hydraulic cylinder (1) outer wall, fixed cover (8) is fixedly connected with holder (6), described locking pin (7) is slidably mounted in fixed cover (8), locking pin (7) near middle and fixed cover (8) sealing are also divided into two parts by fixed cover (8) inner space, locking pin (7) one end is for stretching into the tight lock part of hydraulic cylinder (1), this side space of fixed cover (8) forms oil back chamber (82), the other end is connected with spring (9), and the oil back chamber (82) of described fixed cover (8) is provided with oil duct one (81), and described oil duct one (81) is connected with Hydraulic Station (10), described tight lock part is provided with the oil duct three (71) being communicated with hydraulic cylinder (1), when the position of oil duct three (71) makes tight lock part depart from hydraulic cylinder (1) cavity, oil duct three (71) is communicated with oil back chamber (82).
3. the hydraulic pressure arc as claimed in claim 2 dam that hoists, is characterized in that, described stopper slot (41) one sides are piston (3), and opposite side is the boss that approaches hydraulic cylinder (1) inwall on axle sleeve (4).
4. the hydraulic pressure arc as claimed in claim 3 dam that hoists, it is characterized in that, described oil duct three (71) comprises the radial direction oil that is arranged on the axial oil duct of tight lock part end and is communicated with axial oil duct, in the time that tight lock part departs from hydraulic cylinder (1) cavity, radial direction oil is communicated with oil back chamber (82).
5. the hydraulic pressure arc as claimed in claim 4 dam that hoists, is characterized in that, described locking pin (7) near middle is provided with two steps, is provided with the sealing ring with fixed cover (8) sealing between two steps.
6. the hydraulic pressure arc as claimed in claim 5 dam that hoists, it is characterized in that, described hydraulic cylinder (1) cylinder bottom is established oil duct two (13), and described oil duct two (13) and oil duct one (81) form the oil duct loop of hydraulic cylinder (1).
7. the hydraulic pressure arc as claimed in claim 6 dam that hoists, it is characterized in that, described axle sleeve (4) is provided with stair-stepping step (42) away from one end of piston (3), and described fairlead (5) is provided with the step groove (51) suitable with stair-stepping step (42).
8. the hydraulic pressure arc as claimed in claim 7 dam that hoists, is characterized in that, the inner arc side of described dam body (12) is at least arranged two hydraulic cylinders (1) are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282888.8U CN203890972U (en) | 2014-05-29 | 2014-05-29 | Hydraulic arc-shaped lifting dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282888.8U CN203890972U (en) | 2014-05-29 | 2014-05-29 | Hydraulic arc-shaped lifting dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203890972U true CN203890972U (en) | 2014-10-22 |
Family
ID=51717394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420282888.8U Withdrawn - After Issue CN203890972U (en) | 2014-05-29 | 2014-05-29 | Hydraulic arc-shaped lifting dam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203890972U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005386A (en) * | 2014-05-29 | 2014-08-27 | 芜湖市银鸿液压件有限公司 | Hydraulic arc hoisting dam |
| CN105003486A (en) * | 2015-07-24 | 2015-10-28 | 芜湖市银鸿液压件有限公司 | Composite bidirectional hydraulic lifting dam and use method thereof |
| CN105065368A (en) * | 2015-07-24 | 2015-11-18 | 芜湖市银鸿液压件有限公司 | Combined type bidirectional hydraulic hoisting dam and use method thereof |
| CN108277782A (en) * | 2018-01-24 | 2018-07-13 | 乔为民 | A kind of turnover panel door gear |
| CN112049084A (en) * | 2020-09-18 | 2020-12-08 | 王孟伟 | Fast assembly movable dam capable of playing mutual supporting role |
-
2014
- 2014-05-29 CN CN201420282888.8U patent/CN203890972U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005386A (en) * | 2014-05-29 | 2014-08-27 | 芜湖市银鸿液压件有限公司 | Hydraulic arc hoisting dam |
| CN105003486A (en) * | 2015-07-24 | 2015-10-28 | 芜湖市银鸿液压件有限公司 | Composite bidirectional hydraulic lifting dam and use method thereof |
| CN105065368A (en) * | 2015-07-24 | 2015-11-18 | 芜湖市银鸿液压件有限公司 | Combined type bidirectional hydraulic hoisting dam and use method thereof |
| CN108277782A (en) * | 2018-01-24 | 2018-07-13 | 乔为民 | A kind of turnover panel door gear |
| CN112049084A (en) * | 2020-09-18 | 2020-12-08 | 王孟伟 | Fast assembly movable dam capable of playing mutual supporting role |
| CN112049084B (en) * | 2020-09-18 | 2022-07-19 | 王孟伟 | Assembling movable dam capable of supporting each other |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141022 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |