CN203112393U - Engineering machine supporting leg and crane comprising same - Google Patents
Engineering machine supporting leg and crane comprising same Download PDFInfo
- Publication number
- CN203112393U CN203112393U CN 201220712924 CN201220712924U CN203112393U CN 203112393 U CN203112393 U CN 203112393U CN 201220712924 CN201220712924 CN 201220712924 CN 201220712924 U CN201220712924 U CN 201220712924U CN 203112393 U CN203112393 U CN 203112393U
- Authority
- CN
- China
- Prior art keywords
- supporting leg
- pole
- support
- dish
- oil cylinder
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an engineering machine supporting leg, comprising a supporting leg body, an oil cylinder barrel, an oil cylinder rod, a supporting leg disc, and also an auxiliary supporting leg, wherein the auxiliary supporting leg is articulated with the supporting leg body; the auxiliary supporting leg comprises a support, a supporting rod and a supporting rod disc; the support is fixed on the oil cylinder rod and capable of moving up and down along with the oil cylinder rod; one end of the supporting rod is articulated with the support, while the other end of the supporting rod is articulated with the supporting rod disc; a limiting device is arranged between the supporting rod and the support and used for defining the opening angle between the supporting rod and the support. The supporting leg provided by the utility model is capable of providing great supporting span for the engineering machine during working without increasing the width of the engineering machine body, and thus capable of improving the stability and the antidumping performance of the engineering machine.
Description
Technical field
The utility model relates to a kind of construction machinery and equipment bracing or strutting arrangement, relates in particular to a kind of hoisting crane supporting leg.
Background technology
The construction machinery and equipment supporting leg is mounted in the supporting structure of collapsible or folding and unfolding on the construction machinery and equipment vehicle frame.Common as the car hosit supporting leg, can be divided into manually and hydraulic actuated two classes.At present, the supporting leg of manual control is rare, and most car hosits all are to adopt hydraulic ram.The effect of supporting leg is, under the condition that does not increase construction machinery and equipment car body width, provides bigger supporting span when working for construction machinery and equipment, in car hosit, can improve its lifting characteristic under the prerequisite that does not reduce the car hosit manoevreability.
Guaranteeing that hoisting crane has enough stability against overturning, is one of requirement the most basic in the rubber tyre gantry crane design.GB3811 " hoist design specification " regulation: runabout crane all should be checked stability against overturning.
For wheel crane, satisfying operation under its stable prerequisite, could guarantee that the hoisting crane in running condition is safe and reliable.General wheel crane is when operation by a small margin, and rated load determines by crane structure spare intensity, and hoisting crane is when operation significantly, and the hoisting crane stability against overturning then becomes the decisive factor that limits its rated load.Therefore, if want to improve the rated load of hoisting crane when operation significantly, must strengthen the stability against overturning of hoisting crane.
Because present rubber tyre gantry crane design weight-saving thought theory, hoisting crane each several part framing member weight is few of potentiality that alleviate, and each framing member center of gravity of hoisting crane is arranged and also reached its maturity.So improve crane stability, should consider from supporting leg span aspect.And the supporting leg span of simple H type also can not increase substantially owing to be subjected to containing the influence of dark car load width again.
Summary of the invention
The utility model is intended to solve the problems of the technologies described above to a certain extent or provides a kind of useful commerce to select at least.For this reason, the purpose of this utility model is to propose a kind of construction machinery and equipment supporting leg that has than large span, thereby can increase construction machinery and equipment stability and antidumping performance.
Another purpose of the present utility model is to propose a kind of hoisting crane with this supporting leg.
Supporting leg according to the utility model embodiment, comprise supporting leg body, oil cylinder and supporting leg dish, also comprise auxiliary supporting leg, described auxiliary supporting leg is connected on the oil cylinder, can move up and down with oil cylinder cylinder bar, be provided with inhibiting device between auxiliary supporting leg and oil cylinder or the supporting leg dish, be used for limiting the opening angle between auxiliary supporting leg and oil cylinder or the supporting leg dish.
Described auxiliary supporting leg comprises support, pole and pole dish, and described support is fixed on the oil cylinder cylinder bar, can move up and down with oil cylinder cylinder bar, and described pole one end and support are hinged, and the other end and pole dish are hinged; Be provided with inhibiting device between pole and the support, be used for limiting the opening angle between pole and the support.
In addition, the supporting leg according to the utility model above-described embodiment can also have following additional technical characterictic:
Described inhibiting device is expansion link, and an end is connected with the supporting leg dish, and the other end is connected with the pole dish;
Perhaps described inhibiting device is steel cable, and an end is connected with the supporting leg dish, and the other end is connected with the pole dish;
Described pole dish below has tourelle in addition, and the supporting leg dish is stuck when preventing that auxiliary supporting leg is flexible;
In addition, the end that described support and pole are hinged is provided with cushion block, and the height of cushion block makes support and pole be splayed greater than the thickness of support and pole hinged place.
Described support and pole are hinged by hinged block, are provided with limiting stopper at hinged block.
Another purpose of the present utility model is to propose a kind of tool hoisting crane, and the supporting leg of this hoisting crane is one of supporting leg of above-mentioned utility model.
Supporting leg of the present utility model can provide bigger supporting span, thereby can increase construction machinery and equipment stability and antidumping performance when working for construction machinery and equipment under the condition that does not increase construction machinery and equipment car body width.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is according to the structural representation after the supporting leg contraction of the utility model embodiment one;
Fig. 2 is according to the structural representation after the supporting leg expansion of the utility model embodiment one
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center "; " vertically "; " laterally "; " length "; " width "; " thickness ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " cw ", close the orientation of indications such as " conter clockwises " or position is based on orientation shown in the drawings or position relation, only be the utility model and simplification description for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be captive joint, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand the concrete implication of above-mentioned term in the utility model as the case may be.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, first feature second feature it " on " or D score can comprise that first and second features directly contact, can comprise that also first and second features are not directly contacts but by the contact of the additional features between them.And, first feature second feature " on ", " top " and " above " comprise first feature directly over second feature and oblique upper, or only represent that the first characteristic level height is higher than second feature.First feature second feature " under ", " below " and " below " comprise first feature directly over second feature and oblique upper, or only represent that the first characteristic level height is less than second feature.
1-2 describes leg mechanism according to the utility model embodiment with reference to the accompanying drawings below.
According to the supporting leg of the utility model embodiment, comprise supporting leg body 1, cylinder tube 2, oil cylinder cylinder bar 9, supporting leg dish 10, also comprise auxiliary supporting leg, described auxiliary supporting leg and supporting leg body are hinged; Described auxiliary supporting leg comprises support 8, pole 7 and pole dish 15, described support 8 is fixed on the oil cylinder cylinder bar 9, can move up and down with oil cylinder cylinder bar 9, described pole 7 one ends are hinged by hinge-point 5 and support 8, and the other end coils 15 hinged by hinge-point 13 and pole; Be provided with inhibiting device 12 between pole 7 and the support 8, be used for limiting the opening angle between pole 7 and the support 8.
The utility model embodiment one described inhibiting device is that expansion link 12, one ends are connected with supporting leg dish 10 by hinge-point 11, and the other end is connected with pole dish 15 by hinge-point 14.
The utility model embodiment two described inhibiting device 12 also can be steel cable, and an end is connected with supporting leg dish 10, and the other end is connected with pole dish 15.
In embodiment one or two, described pole is coiled 15 belows and is had tourelle, and the supporting leg dish is stuck when preventing that auxiliary supporting leg is flexible;
In embodiment one or two, be provided with cushion block 6 at described support 8 and pole 7 hinged ends.
In embodiment one or two, described hinged block 3 is provided with limiting stopper 4, is used for limiting the opening angle of support 8 and pole 7.
The working process of supporting leg is described according to embodiment one below, as Fig. 1, when supporting leg is in punctured position, pole 7 is vertical substantially, expansion link 12 all shrinks, and oil cylinder cylinder bar 9 is positioned at cylinder tube 2 inside, and pole 7 is pressed close to cylinder tube 2, when oil cylinder cylinder bar 9 stretched out downwards, drive pole 7, support 8, expansion link 12, pole dish 15 moved down identical distance together.
Oil cylinder cylinder bar 9 continues downwards, pole dish 15 will contact and be subjected to the antagonistic force in ground with ground, slide to the right at antagonistic force lower fulcrum bar dish 15, and drive pole 7 around hinge 5 rotations, constantly elongation and rotation of expansion link 12 meanwhile, reach extreme length and hold pole dish 15, the actual span of final supporting leg will increase.
In embodiment two, pole dish 15 slides to the right and drives pole 7 and rotates around jointed shaft 5, and meanwhile steel cable constantly extends, and reaches extreme length and holds pole dish 15, and the actual span of final supporting leg will increase.
Hoisting crane according to the utility model embodiment is described below.
On the hoisting crane of description according to the utility model embodiment supporting leg is housed, this supporting leg is the described supporting leg of above-mentioned each embodiment.
Thus, according to hoisting crane of the present utility model, by auxiliary supporting leg is set, can under the condition that does not increase hoisting crane car body width, provides bigger supporting span when working for hoisting crane, thereby can increase stability and the antidumping performance of hoisting crane.
Other formations according to the hoisting crane of the utility model embodiment can be well known by persons skilled in the art, do not repeat them here.
In the description of this specification sheets, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art in scope of the present utility model, can change above-described embodiment under the situation that does not break away from principle of the present utility model and aim, modification, replacement and modification.
Claims (9)
1. construction machinery and equipment supporting leg, comprise supporting leg body (1), oil cylinder and supporting leg dish (10), it is characterized in that, also comprise auxiliary supporting leg, described auxiliary supporting leg is connected on the oil cylinder, can move up and down with oil cylinder cylinder bar (9), be provided with inhibiting device (12) between auxiliary supporting leg and oil cylinder or the supporting leg dish (10), be used for limiting the opening angle between auxiliary supporting leg and oil cylinder or the supporting leg dish (10).
2. construction machinery and equipment supporting leg according to claim 1, it is characterized in that described auxiliary supporting leg comprises support (8), pole (7) and pole dish (15), described support (8) is fixed on the oil cylinder cylinder bar (9), can move up and down with oil cylinder cylinder bar (9), described pole (7) one ends and support (8) are hinged, and the other end and pole dish (15) are hinged; Be provided with inhibiting device (12) between pole (7) and the support (8), be used for limiting the opening angle between pole (7) and the support (8).
3. construction machinery and equipment supporting leg according to claim 1 is characterized in that, described inhibiting device (12) is expansion link, and an end is connected with supporting leg dish (10), and the other end is connected with pole dish (15).
4. construction machinery and equipment supporting leg according to claim 1 is characterized in that, described inhibiting device (12) is steel cable, and an end is connected with supporting leg dish (10), and the other end is connected with pole dish (15).
5. according to each described construction machinery and equipment supporting leg among the claim 2-4, it is characterized in that described pole dish (15) below has tourelle.
6. construction machinery and equipment supporting leg according to claim 2 is characterized in that, the end that described support (8) and pole (7) are hinged is provided with cushion block (6), makes support (8) and pole (7) be splayed.
7. construction machinery and equipment supporting leg according to claim 6 is characterized in that, it is 10 °-15 ° that the thickness of described cushion block (6) makes the angle that opens between support (8) and the pole (7).
8. construction machinery and equipment supporting leg according to claim 6 is characterized in that, described support (8) is hinged by hinged block (3) with pole (7), is provided with limiting stopper (4) at hinged block (3).
9. a hoisting crane is characterized in that having each described supporting leg among the claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712924 CN203112393U (en) | 2012-12-20 | 2012-12-20 | Engineering machine supporting leg and crane comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712924 CN203112393U (en) | 2012-12-20 | 2012-12-20 | Engineering machine supporting leg and crane comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203112393U true CN203112393U (en) | 2013-08-07 |
Family
ID=48892762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220712924 Expired - Fee Related CN203112393U (en) | 2012-12-20 | 2012-12-20 | Engineering machine supporting leg and crane comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203112393U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879911A (en) * | 2012-12-20 | 2014-06-25 | 北汽福田汽车股份有限公司 | Engineering machine supporting leg and crane comprising same |
| CN108312940A (en) * | 2018-01-30 | 2018-07-24 | 天津邬金机械设备有限公司 | Stable equilibrium's dumper |
| CN111877342A (en) * | 2020-08-06 | 2020-11-03 | 上海市基础工程集团有限公司 | Temporary auxiliary device for external supporting leg of piling machine |
-
2012
- 2012-12-20 CN CN 201220712924 patent/CN203112393U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879911A (en) * | 2012-12-20 | 2014-06-25 | 北汽福田汽车股份有限公司 | Engineering machine supporting leg and crane comprising same |
| CN103879911B (en) * | 2012-12-20 | 2016-06-08 | 北汽福田汽车股份有限公司 | A kind of support leg for engineered machine and there is the crane of this supporting leg |
| CN108312940A (en) * | 2018-01-30 | 2018-07-24 | 天津邬金机械设备有限公司 | Stable equilibrium's dumper |
| CN111877342A (en) * | 2020-08-06 | 2020-11-03 | 上海市基础工程集团有限公司 | Temporary auxiliary device for external supporting leg of piling machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101423179B (en) | Method for erecting a crane boom | |
| US11247878B2 (en) | Operating method of a wind power jib of a crane and crane | |
| CN201086673Y (en) | Lifting type movable safety barrier | |
| CN109896462B (en) | Electric scissor jack | |
| CN203112393U (en) | Engineering machine supporting leg and crane comprising same | |
| CN103964338B (en) | Ultrathin little shearing type lifter structure | |
| CN104555760A (en) | Telescopic boom structure and engineering vehicle | |
| CN104326028B (en) | A kind of spare tyre automatic fixer and upset hanger | |
| CN102303821A (en) | Luffing tower crane with balanced type suspension arm based on traction luffing of steel rope | |
| CN106927372B (en) | The auxiliary jacking apparatus of tyre crane | |
| CN104150397A (en) | Lifting frame | |
| CN103879911A (en) | Engineering machine supporting leg and crane comprising same | |
| CN207774733U (en) | A kind of special-purpose vehicle with flexible turntable | |
| CN110342441A (en) | A kind of stability is high and has the giant tyre scissor-type ladder truck of reversed Telescopic | |
| CN206219067U (en) | A kind of driver's cabin mobile device | |
| CN107235456A (en) | A kind of special-purpose vehicle with flexible turntable | |
| CN102431902A (en) | Control cabin modified gear and engineering machine | |
| CN208345625U (en) | A kind of telescopic type lifting structure and practical crane | |
| CN208732508U (en) | Hoist vehicle | |
| CN107869111A (en) | Prestressed Concrete Bridges vertical prestressing bar intelligent tensioning equipment and application method | |
| CN206940348U (en) | A kind of gate-type automotive safety lifting frame | |
| CN103318777B (en) | Connection device for front vehicle and rear vehicle of super-tonnage crane and crane | |
| CN205527532U (en) | Lifting mechanism of automotive test rack | |
| CN104535428A (en) | Safety protecting device for ultrahigh-pressure water pressure test of downhole tool | |
| CN106082000B (en) | A kind of manufacturing method of simple shear lifting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20171220 |