CN105417414A - Crane with stable legs - Google Patents
Crane with stable legs Download PDFInfo
- Publication number
- CN105417414A CN105417414A CN201511023677.8A CN201511023677A CN105417414A CN 105417414 A CN105417414 A CN 105417414A CN 201511023677 A CN201511023677 A CN 201511023677A CN 105417414 A CN105417414 A CN 105417414A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- cylinder
- base
- cylinder barrel
- folding arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
A crane with stable legs comprises a base, the lower side of the base is provided with four hydraulic legs, and each hydraulic leg comprises a cylinder. The crane is characterized in that the lower end of each cylinder is connected to the cylinder bottom, a piston rod is arranged in each cylinder, the tail end of each piston rod is provided with a hydraulic cylinder displacement sensor, a vent plug is arrange on the left side of upper part of each cylinder, a guiding sleeve is arranged on the outlet in the upper end of each cylinder, the upper part of each cylinder is provided with a cylinder cover, a leaked hydraulic oil recycling device is arranged in each cylinder cover, and each leaked hydraulic oil recycling device is provided with a reciprocate sealing ring, a recycling tank, a recycling sealing ring, an oil runner, and a unidirectional valve. The crane with stable legs has the advantages that a hydraulic motor drives a first hydraulic lifting rod and a second hydraulic lifting rod to move at the same time through a cable so as to drive a folded arm to move; the folded arm drives a hoist to lift cargoes up and down; and a folded arm is arranged between a base and a hoist to prevent swinging of crane during the hoisting process.
Description
Technical field
The present invention relates to hoisting crane mechanical field, be specifically related to a kind of hoisting crane with stabilizing leg.
Background technology
In the working process of hoisting crane, because cantilever is long, easily cause hoisting crane matrix to be tumbled, now just need the loaded area strengthening hoisting crane matrix, prevent hoisting crane from tumbling with this.In the prior art, the general hydraulic support that adopts supports, but easily causes piston rod to shrink voluntarily when hydraulic oil liquid seepage; Or under oil pipe such as to break at the unforeseen circumstances, piston rod contraction can cause contingency; In addition, when we need the balance regulating hoisting crane, that not easily holds several hydraulic ram stretches out height, causes hoisting crane uneven; Hydraulic support can cause the leakage of hydraulic oil because sealing effectiveness is bad when work, not only cause the waste of hydraulic oil, also may work as the wearing and tearing accelerating seal ring when hydraulic oil is stained with dust; Easily occur waving in existing crane loading process, there is larger danger.
Summary of the invention
The object of the present invention is to provide a kind of hoisting crane with stabilizing leg, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of hoisting crane with stabilizing leg, comprise base, described Its lower side is provided with four hydraulic rams, described hydraulic ram comprises cylinder barrel, it is characterized in that, the lower end of described cylinder barrel connects cylinder bottom, described cylinder barrel inside is containing piston rod, plunger end is provided with hydraulic actuating cylinder displacement pickup, vent cover is positioned at cylinder barrel upper left-hand, orienting sleeve is positioned at cylinder barrel upper end outlet place, the top of cylinder barrel is provided with cylinder cap, cylinder cap inside is provided with hydraulic oil and reveals regenerative apparatus, described hydraulic oil is revealed regenerative apparatus and is provided with reciprocating seal ring, reclaim tank, reclaim seal ring, oil duct and check valve, described reclaim tank is cylindrical, reciprocating seal ring is established in its inner, recovery seal ring is established in outer end, side is connected cylinder barrel by oil duct with check valve, described piston rod external part is connected with earth plate, rod chamber is all connected with the bidirectional hydraulic lock be arranged on cylinder barrel sidewall with the inflow pipeline of rodless cavity, and bidirectional hydraulic lock is by the hydraulic valve differential concatenation of two single-passes, described base right-hand member is provided with hydraulic electric motor, described hydraulic electric motor is provided with connection box, on the upside of described base, left end is provided with glide path, folding arm is provided with above described base, suspender is connected with on the upside of described folding arm, bilge logs is provided with on the downside of described suspender left end, the first hydraulic lifting arm is connected with between described folding arm bottom and base, the second hydraulic lifting arm is connected with between described folding arm top and suspender, cable is extended with outside described connection box, described cable is connected with the first hydraulic lifting arm and the second hydraulic lifting arm respectively, described folding arm right-hand end is respectively arranged with base and suspender junction the seat that is fixedly hinged, on the left of described folding arm, base junction is provided with down comparatively seat, on the left of folding arm, suspender junction is provided with upper free bearing.
Further effect of the present invention is: described hydraulic actuating cylinder displacement pickup is connected with the controller for hydraulic control pumping plant.
Further effect more of the present invention is: described folding arm is provided with jointed shaft with the junction of be fixedly hinged seat, lower free bearing and upper free bearing.
Further effect more of the present invention is: described lower free bearing slides on glide path, and upper free bearing slides on bilge logs.
Further effect more of the present invention is: described first hydraulic lifting arm, the second hydraulic lifting arm all relatively rotate around respective jointed shaft.
The invention has the beneficial effects as follows and add bidirectional hydraulic lock, it is that it makes hydraulic ram operationally prevent hydraulic oil from flowing backwards, and avoids the withdrawal of piston rod by the hydraulic valve differential concatenation of two single-passes; The hydraulic actuating cylinder displacement pickup increased in addition conveniently can hold the extension elongation of piston rod, regulates the extension elongation of other several hydraulic ram accordingly, ensure that the level of hoisting crane with this; Regenerative apparatus revealed by hydraulic oil can realize sealing function better; Hydraulic electric motor drives the first hydraulic lifting arm and the second hydraulic lifting arm to move by cable simultaneously, thus the motion of Foldable arm, realize the crane lifting service up and down of suspender, take the mode of installing folding arm between base and suspender, what effectively prevent crane loading process waves situation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of hydraulic ram of the present invention;
Fig. 3 is the enlarged drawing at A place in Fig. 2 of the present invention.
In figure: 1, hydraulic ram, 2, base, 3, hydraulic electric motor, 4, connection box, 5, cable, 6, first hydraulic lifting arm, 7, comparatively seat down, 8, glide path, 9, folding arm, 10, second hydraulic lifting arm, 11, be fixedly hinged seat, 12, suspender, 13, bilge logs, 14, jointed shaft, 15, upper free bearing, 101, cylinder barrel, 102, cylinder bottom, 103, hydraulic actuating cylinder displacement pickup, 104, piston rod, 105, vent cover, 106, orienting sleeve, 107, cylinder cap, 108, bidirectional hydraulic lock, 109, regenerative apparatus revealed by hydraulic oil, 1010, earth plate, 1011, inflow pipeline, 1091, oil duct, 1092, check valve, 1093, reclaim seal ring, 1094, reclaim tank, 1095, reciprocating seal ring.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1-Fig. 3, a kind of hoisting crane with stabilizing leg, comprise base 2, four hydraulic rams 1 are provided with on the downside of described base 2, described hydraulic ram 1 comprises cylinder barrel 101, it is characterized in that, the lower end of described cylinder barrel 101 connects cylinder bottom 102, described cylinder barrel 101 inside is containing piston 104 bar, piston rod 104 tail end is provided with hydraulic actuating cylinder displacement pickup 103, hydraulic actuating cylinder displacement pickup 103 conveniently can hold the extension elongation of piston rod 104, regulates the extension elongation of other several hydraulic ram 1 accordingly, ensure that the level of hoisting crane with this;
Vent cover is positioned at cylinder barrel 101 upper left-hand, orienting sleeve 103 is positioned at cylinder barrel 101 upper end outlet place, the top of cylinder barrel 101 is provided with cylinder cap 107, cylinder cap 107 inside is provided with hydraulic oil and reveals regenerative apparatus 109, described hydraulic oil is revealed regenerative apparatus 109 and is provided with reciprocating seal ring 1095, reclaim tank 1094, reclaim seal ring 1093, oil duct 1091 and check valve 1092, described reclaim tank 1094 is cylindrical, reciprocating seal ring 1095 is established in its inner, outer end is established and is reclaimed seal ring 1093, side is connected cylinder barrel 101 by oil duct 1091 with check valve 1092, during work, when hydraulic oil enters rodless cavity, rodless cavity pressure raises, piston rod 104 moves up under the promotion of hydraulic oil, at this moment check valve 1092 is closed, the hydraulic oil leaking 1095 through reciprocating seal ring flows into reclaim tank 1094, when rodless cavity connects Hydraulic Pump, pressure reduces, piston rod 104 moves down, at this moment check valve 1092 is opened, the hydraulic oil that reclaim tank is 1094 li is back to rod chamber, complete reciprocation sealing and leak recovery operation,
Described piston rod 104 external part is connected with earth plate 1010; Rod chamber is all connected with the bidirectional hydraulic lock 108 be arranged on cylinder barrel 101 sidewall with the inflow pipeline 1011 of rodless cavity, bidirectional hydraulic lock 108 is by hydraulic valve 1092 differential concatenation of two single-passes, it makes hydraulic ram 1 operationally prevent hydraulic oil from flowing backwards, and avoids the withdrawal of piston rod 104;
Described base 2 right-hand member is provided with hydraulic electric motor 3, described hydraulic electric motor 3 is provided with connection box 4, on the upside of described base 2, left end is provided with glide path 8, folding arm 9 is provided with above described base 2, suspender 12 is connected with on the upside of described folding arm 9, bilge logs 13 is provided with on the downside of described suspender 12 left end, the first hydraulic lifting arm 6 is connected with between described folding arm 9 bottom and base 2, the second hydraulic lifting arm 10 is connected with between described folding arm 9 top and suspender 12, cable 5 is extended with outside described connection box 4, described cable 5 is connected with the first hydraulic lifting arm 6 and the second hydraulic lifting arm 10 respectively, described folding arm 9 right-hand end is respectively arranged with base 2 and suspender 12 junction the seat 11 that is fixedly hinged, on the left of described folding arm 9, base 2 junction is provided with down comparatively seat 7, on the left of folding arm 9, suspender 12 junction is provided with upper free bearing 15.
Described hydraulic actuating cylinder displacement pickup 103 is connected with the controller for hydraulic control pumping plant, can regulate the extension elongation of hydraulic ram 1 so as required.
Described folding arm 9 is provided with jointed shaft 14 with the junction of be fixedly hinged seat 11, lower free bearing 7 and upper free bearing 15.
Described lower free bearing 7 slides on glide path 8, and upper free bearing 15 slides on bilge logs 13.
Described first hydraulic lifting arm 6, second hydraulic lifting arm 10 all relatively rotates around respective jointed shaft 14.
Principle of work of the present invention is: hydraulic actuating cylinder displacement sensing 101 device conveniently can hold the extension elongation of piston rod 104, regulates the extension elongation of other several hydraulic ram 1 accordingly, ensure that the level of hoisting crane with this; During work, when hydraulic oil enters rodless cavity, rodless cavity pressure raises, and piston rod 104 moves up under the promotion of hydraulic oil, at this moment check valve 1092 is closed, the hydraulic oil leaked through reciprocating seal ring 1095 flows into reclaim tank 1094, and when rodless cavity connects Hydraulic Pump, pressure reduces, piston rod 104 moves down, at this moment check valve 1092 is opened, and the hydraulic oil that reclaim tank is 1094 li is back to rod chamber, completes reciprocation sealing and leaks recovery operation; Bidirectional hydraulic lock 108 is that it makes hydraulic ram 1 operationally prevent hydraulic oil from flowing backwards, and avoids the withdrawal of piston rod 104 by the hydraulic valve differential concatenation of two single-passes;
Hydraulic electric motor 3 drives the first hydraulic lifting arm 6 and the second hydraulic lifting arm 10 to move by cable 5 simultaneously, thus Foldable arm 9 moves, realize the crane lifting service up and down of suspender 12, take the mode of installing folding arm 9 between base 2 and suspender 12, what effectively prevent crane loading process waves situation;
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. the hoisting crane with stabilizing leg, comprise base, it is characterized in that, described Its lower side is provided with four hydraulic rams, described hydraulic ram comprises cylinder barrel, it is characterized in that, the lower end of described cylinder barrel connects cylinder bottom, described cylinder barrel inside is containing piston rod, plunger end is provided with hydraulic actuating cylinder displacement pickup, vent cover is positioned at cylinder barrel upper left-hand, orienting sleeve is positioned at cylinder barrel upper end outlet place, the top of cylinder barrel is provided with cylinder cap, cylinder cap inside is provided with hydraulic oil and reveals regenerative apparatus, described hydraulic oil is revealed regenerative apparatus and is provided with reciprocating seal ring, reclaim tank, reclaim seal ring, oil duct and check valve, described reclaim tank is cylindrical, reciprocating seal ring is established in its inner, recovery seal ring is established in outer end, side is connected cylinder barrel by oil duct with check valve, described piston rod external part is connected with earth plate, rod chamber is all connected with the bidirectional hydraulic lock be arranged on cylinder barrel sidewall with the inflow pipeline of rodless cavity, and bidirectional hydraulic lock is by the hydraulic valve differential concatenation of two single-passes, described base right-hand member is provided with hydraulic electric motor, described hydraulic electric motor is provided with connection box, on the upside of described base, left end is provided with glide path, folding arm is provided with above described base, suspender is connected with on the upside of described folding arm, bilge logs is provided with on the downside of described suspender left end, the first hydraulic lifting arm is connected with between described folding arm bottom and base, the second hydraulic lifting arm is connected with between described folding arm top and suspender, cable is extended with outside described connection box, described cable is connected with the first hydraulic lifting arm and the second hydraulic lifting arm respectively, described folding arm right-hand end is respectively arranged with base and suspender junction the seat that is fixedly hinged, on the left of described folding arm, base junction is provided with down comparatively seat, on the left of folding arm, suspender junction is provided with upper free bearing.
2. a kind of hoisting crane with stabilizing leg according to claim 1, is characterized in that, described hydraulic actuating cylinder displacement pickup is connected with the controller for hydraulic control pumping plant.
3. a kind of hoisting crane with stabilizing leg according to claim 1, is characterized in that, described folding arm is provided with jointed shaft with the junction of be fixedly hinged seat, lower free bearing and upper free bearing.
4. a kind of hoisting crane with stabilizing leg according to claim 1 or 3, is characterized in that, described lower free bearing slides on glide path, and upper free bearing slides on bilge logs.
5. a kind of hoisting crane with stabilizing leg according to claim 1, is characterized in that, described first hydraulic lifting arm, the second hydraulic lifting arm all relatively rotate around respective jointed shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511023677.8A CN105417414A (en) | 2015-12-30 | 2015-12-30 | Crane with stable legs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511023677.8A CN105417414A (en) | 2015-12-30 | 2015-12-30 | Crane with stable legs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105417414A true CN105417414A (en) | 2016-03-23 |
Family
ID=55496038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511023677.8A Pending CN105417414A (en) | 2015-12-30 | 2015-12-30 | Crane with stable legs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105417414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648197A (en) * | 2020-11-30 | 2021-04-13 | 三联泵业股份有限公司 | Water pump capable of changing motion state |
-
2015
- 2015-12-30 CN CN201511023677.8A patent/CN105417414A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648197A (en) * | 2020-11-30 | 2021-04-13 | 三联泵业股份有限公司 | Water pump capable of changing motion state |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104395064B (en) | Machine press | |
| CN201166022Y (en) | Hydraulic pressure accumulator oil cylinder for crane | |
| CN102937013B (en) | Headframe type long stroke hydraulic pumping unit | |
| CN104006022A (en) | Hydraulic cylinder capable of automatically and mechanically locating lift dam in reciprocating manner | |
| CN203890972U (en) | Hydraulic arc-shaped lifting dam | |
| FR3048037A1 (en) | DEVICE FOR RECOVERING HYDRAULIC ENERGY, AND WORKING MACHINE PROVIDED WITH A CORRESPONDING DEVICE | |
| CN105417414A (en) | Crane with stable legs | |
| CN201598169U (en) | Cylinder compression type sealed submerged loading arm | |
| US9127736B2 (en) | Working device | |
| CN103267041B (en) | Constant pressure oil cylinder | |
| CN105021466B (en) | A kind of compression shock testing equipment | |
| CN204702446U (en) | A kind of hoisting crane support hydraulic ram | |
| CN104192045B (en) | Drainage car | |
| CN203297188U (en) | Constant pressure oil cylinder | |
| CN204400484U (en) | Hand-hydraulic rotary hoist | |
| CN105398963A (en) | Bridge crane | |
| CN205715725U (en) | Planker guiding valve and there is its delivery pump and pump truck | |
| CN105041362A (en) | Mining hydraulic support for replacing hydraulic media under pressure | |
| CN212103933U (en) | Be applied to self-inflating water sealing device among hydraulic and hydroelectric engineering | |
| CN104671179B (en) | Oil filling riser bellows sealing device is filled in one kind | |
| CN202214724U (en) | Tray enlarging device | |
| CN204200760U (en) | The piling oil cylinder of static pile press | |
| CN204267426U (en) | A kind of piston type cylinder pressure testing device | |
| CN104005386A (en) | Hydraulic arc hoisting dam | |
| CN201170103Y (en) | Internal circulation single hydraulic prop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160323 |
|
| WD01 | Invention patent application deemed withdrawn after publication |