CN115973938A - Crane with auxiliary jacking supporting legs - Google Patents
Crane with auxiliary jacking supporting legs Download PDFInfo
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- CN115973938A CN115973938A CN202310086536.9A CN202310086536A CN115973938A CN 115973938 A CN115973938 A CN 115973938A CN 202310086536 A CN202310086536 A CN 202310086536A CN 115973938 A CN115973938 A CN 115973938A
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- 238000012544 monitoring process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The invention discloses a crane with an auxiliary jacking leg, which comprises a crane, four crane legs, a connecting assembly, an auxiliary leg and a hydraulic pump station, wherein the four crane legs are arranged on the crane in an H shape, the auxiliary leg is connected with one end of the crane leg through the connecting assembly, and the output end of the hydraulic pump station is connected with the auxiliary leg.
Description
Technical Field
The invention belongs to the technical field of cranes, and particularly relates to a crane with an auxiliary jacking supporting leg.
Background
The conventional support leg of the mobile crane is generally formed by three structural forms, namely an H-shaped support leg, a K-shaped support leg and an H-shaped support leg, as shown in fig. 1, and the support leg 100 can realize two-stage extension, realize larger span in a limited space and increase the stability of the whole crane during hoisting.
However, when the crane supporting legs are in operation, due to the limitation of space size, the telescopic amount of the supporting legs in the length and height directions is limited, meanwhile, due to the fact that the telescopic arms of the crane are limited by overall stability, the lifting height is limited within a specific range, and if heavy objects with larger height or larger amplitude are lifted, a crane with larger tonnage is needed, so that the lifting cost is increased.
Disclosure of Invention
In order to at least partially solve the technical problems in the prior art, the invention provides a crane with an auxiliary jacking supporting leg.
The crane with the auxiliary jacking supporting leg comprises a crane, four crane supporting legs, a connecting assembly, an auxiliary supporting leg and a hydraulic pump station, wherein the four crane supporting legs are arranged on the crane in an H shape, the auxiliary supporting leg is connected with one end of each crane supporting leg through the connecting assembly, the output end of the hydraulic pump station is connected with the auxiliary supporting leg, and the crane comprises:
the connecting assembly comprises a first connecting table, a second connecting table, a first dismounting and positioning block, a second dismounting and positioning block and a pin shaft, wherein the first dismounting and positioning block is symmetrically welded on the first connecting table, the second dismounting and positioning block is symmetrically welded on the second connecting table, and the first connecting table and the second connecting table are fixedly connected through the pin shaft;
the auxiliary supporting leg comprises a first sleeve, a second sleeve, a third sleeve, a fourth sleeve, a three-level telescopic oil cylinder, a guiding limiting assembly, a supporting foot disc, an oil cylinder ball head and a sling guide rod, wherein the second sleeve is sleeved inside the first sleeve, the third sleeve is sleeved inside the second sleeve, the fourth sleeve is sleeved inside the third sleeve, the three-level telescopic oil cylinder is arranged on the first sleeve, the guiding limiting assembly is arranged on the first sleeve, the first sleeve is arranged on the second sleeve, the second sleeve is arranged on the third sleeve, the third sleeve is arranged between the fourth sleeve, the oil cylinder ball head is arranged at the bottom of the fourth sleeve, the supporting foot disc is arranged on the oil cylinder ball head, and the sling guide rod is arranged on two sides of the first sleeve.
Furthermore, in the crane with the auxiliary jacking supporting leg, the middle parts of the first connecting platform and the second connecting platform are provided with connecting holes, the first connecting platform is welded on one side of the jacking supporting leg, and the second connecting platform is welded on one side of the first sleeve.
Furthermore, in the crane with the auxiliary jacking leg, the first dismounting and positioning block and the second dismounting and positioning block are matched with each other, the first connecting table and the second connecting table are positioned through the first dismounting and positioning block and the second dismounting and positioning block, the pin shaft is matched with the connecting hole and penetrates through the connecting hole, and the first connecting table and the second connecting table are fixedly connected through the pin shaft.
Further, in the above-mentioned hoist with supplementary jacking landing leg, the spacing subassembly of direction includes the spacing platform of direction and the spacing groove of direction, the spacing platform of direction passes through the bolt to be fixed respectively on first sleeve, second sleeve and third sleeve downside inner wall, the spacing groove of direction sets up respectively on second sleeve, third sleeve and fourth sleeve upside outer wall.
Further, in the crane with the auxiliary jacking legs, the three-stage telescopic oil cylinder mounting base is fixedly connected with the inside of the first sleeve, the three-stage telescopic oil cylinder penetrates through the second sleeve, the third sleeve and the fourth sleeve, and the output end of the three-stage telescopic oil cylinder is fixedly connected with the bottom of the fourth sleeve.
Further, in the crane with the auxiliary jacking supporting leg, the top of the ball head of the oil cylinder is provided with a mounting platform, the mounting platform is fixedly connected with the bottom of the fourth sleeve through a bolt, and the middle of the mounting platform is fixedly connected with the output end of the three-stage telescopic oil cylinder through a bolt.
Furthermore, in the crane with the auxiliary jacking supporting leg, a connecting clamping groove is formed in the top of the supporting leg disc, the connecting clamping groove is matched with the oil cylinder ball head, and the oil cylinder ball head is connected with the supporting leg disc through the connecting clamping groove.
Further, in the crane with the auxiliary jacking supporting leg, a length sensor is arranged at the bottom of the inner side of the fourth sleeve.
Furthermore, in the crane with the auxiliary jacking supporting leg, the supporting leg vertical oil cylinder is arranged on the supporting leg of the crane.
The crane with the auxiliary jacking supporting leg has the following advantages and beneficial effects:
in summary, compared with the prior art, the crane with the auxiliary jacking supporting legs has the following advantages and beneficial effects: the crane with the auxiliary jacking supporting legs increases the height of the whole crane and the span of the supporting legs, and the auxiliary supporting legs can be arranged on the supporting legs of the crane through connecting devices. The auxiliary supporting legs have a telescopic function and an independent power system, the height of the whole crane can be changed by the aid of the four sets of auxiliary supporting legs which are telescopic in a coordinated mode, the lifting height of the crane is increased on the basis that other structures of the crane are unchanged, the performance and the application range of the crane are effectively improved, and accordingly the hoisting cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only used for further understanding of the embodiments of the present invention and constitute a part of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts. In the drawings:
FIG. 1 is a schematic structural view of a prior art crane leg;
FIG. 2 is a schematic structural diagram of a crane with an auxiliary jacking leg according to the invention;
FIG. 3 is a schematic view of an auxiliary leg mounting structure of the crane with an auxiliary jacking leg according to the present invention;
FIG. 4 isbase:Sub>A schematic cross-sectional view A-A of FIG. 3, showing the internal structure of the auxiliary leg;
FIG. 5 is a schematic cross-sectional view B-B of FIG. 3 showing a guide and stop assembly mounting structure;
FIG. 6 is a schematic view taken along the direction C in FIG. 5, showing a connection structure of the guide limit table and the guide limit groove;
FIG. 7 is a cross-sectional view taken generally along line D-D of FIG. 3, illustrating the connector assembly mounting arrangement;
fig. 8 is a schematic view of fig. 7 taken along direction E, and shows a structural schematic view of the first dismounting and positioning block.
Description of reference numerals:
100: a support leg;
1: a crane;
2: crane leg, 21: the supporting legs are vertical to the oil cylinder;
3: connecting assembly, 31: first connection table, 32: second connection stage, 33: first positioning block for mounting and dismounting, 34: second assembly and disassembly positioning block, 35: pin shaft, 36: connecting holes;
4: auxiliary leg, 41: first sleeve, 42: second sleeve, 43: third sleeve, 44: fourth sleeve, 45: a three-stage telescopic oil cylinder;
46: spacing subassembly of direction, 461: guide limit table, 462: a guide limit groove;
47: leg plate, 471: a connecting clamping groove;
48: oil cylinder bulb, 481: mounting a platform;
49: a sling guide bar;
5: a hydraulic pump station; 6: a length sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2 to 8, the crane with the auxiliary jacking leg of the present invention comprises a crane 1, four crane legs 2, a connecting assembly 3, an auxiliary leg 4 and a hydraulic pump station 5, wherein the four crane legs are mounted on the crane 1 in an H shape, the auxiliary leg 4 is connected with one end of the crane leg through the connecting assembly 3, the output end of the hydraulic pump station 5 is connected with the auxiliary leg 4, wherein:
the connecting assembly 3 comprises a first connecting table 31, a second connecting table 32, a first dismounting and positioning block 33, a second dismounting and positioning block 34 and a pin shaft 35, wherein the first dismounting and positioning block 33 is symmetrically welded on the first connecting table 31, the second dismounting and positioning block 34 is symmetrically welded on the second connecting table 32, and the first connecting table 31 is fixedly connected with the second connecting table 32 through the pin shaft 35;
the auxiliary supporting leg 4 comprises a first sleeve 41, a second sleeve 42, a third sleeve 43, a fourth sleeve 44, a third-stage telescopic oil cylinder 45, a guiding limiting assembly 46, a supporting foot disc 47, an oil cylinder ball 48 and a sling guiding rod 49, wherein the second sleeve 42 is sleeved inside the first sleeve 41, the third sleeve 43 is sleeved inside the second sleeve 42, the fourth sleeve 44 is sleeved inside the third sleeve 43, the third-stage telescopic oil cylinder 45 is arranged on the first sleeve 41, the guiding limiting assembly 46 is arranged between the first sleeve 41 and the second sleeve 42, between the second sleeve 42 and the third sleeve 43, between the third sleeve 43 and the fourth sleeve 44, the oil cylinder ball 48 is arranged at the bottom of the fourth sleeve 44, the supporting foot disc 47 is arranged on the oil cylinder ball 48, and the sling guiding rod 49 is arranged on two sides of the first sleeve 41.
Further, in the crane with the auxiliary jacking leg, the connecting holes 36 are formed in the middle of the first connecting table 31 and the middle of the second connecting table 32, the first connecting table 31 is welded on one side of the jacking leg, and the second connecting table 32 is welded on one side of the first sleeve 41.
Further, in the above-mentioned hoist of supplementary jacking landing leg in area, first dismouting locating piece 33 and second dismouting locating piece 34 match each other, fix a position through first dismouting locating piece 33 and second dismouting locating piece 34 between first connection platform 31 and the second connection platform 32, round pin axle 35 matches in connecting hole 36, round pin axle 35 passes connecting hole 36, connect fixedly through round pin axle 35 between first connection platform 31 and the second connection platform 32, thereby effectual supplementary landing leg 4 of having guaranteed can realize the function of quick location quick detach.
Further, in the above-mentioned hoist with auxiliary jacking leg, the guiding and limiting assembly 46 includes a guiding and limiting table 461 and a guiding and limiting groove 462, the guiding and limiting table 461 is fixed on the inner wall of the lower side of the first sleeve 41, the second sleeve 42 and the third sleeve 43 respectively through bolts, the guiding and limiting groove 462 is arranged on the outer wall of the upper side of the second sleeve 42, the third sleeve 43 and the fourth sleeve 44 respectively, thereby effectively ensuring that the first sleeve 41, the second sleeve 42, the third sleeve 43 and the fourth sleeve 44 can be extended and retracted in order.
Further, in the crane with the auxiliary jacking legs, a three-stage telescopic oil cylinder 45 is arranged on the base and is fixedly connected with the inside of the first sleeve 41, the three-stage telescopic oil cylinder 45 penetrates through the second sleeve 42, the third sleeve 43 and the fourth sleeve 44, the output end of the three-stage telescopic oil cylinder 45 is fixedly connected with the bottom of the fourth sleeve 44, and telescopic power is provided for the first sleeve 41, the second sleeve 42, the third sleeve 43 and the fourth sleeve 44 through the three-stage telescopic oil cylinder 45.
Further, in the crane with the auxiliary jacking legs, the top of the oil cylinder bulb 48 is provided with the mounting platform 481, the mounting platform 481 is fixedly connected with the bottom of the fourth sleeve 44 through a bolt, and the middle of the mounting platform 481 is fixedly connected with the output end of the third-stage telescopic oil cylinder 45 through a bolt.
Further, in the above-mentioned hoist with auxiliary jacking leg, the top of the leg disc 47 is provided with the connection slot 471, the connection slot 471 is matched with the oil cylinder bulb 48, the oil cylinder bulb 48 is connected with the leg disc 47 through the connection slot 471, thereby effectively increasing the contact area between the auxiliary leg 4 and the ground, and making the hoist 1 more stable after lifting.
Further, in the above-mentioned hoist of supplementary jacking landing leg in area, the inboard bottom of fourth sleeve 44 is provided with length sensor 6, makes operating personnel can real time monitoring jacking height, guarantees jacking safety.
Further, in the crane with the auxiliary jacking supporting legs, the supporting leg vertical oil cylinder 21 is arranged on the crane supporting leg 2.
Specifically, when the crane 1 needs to use the auxiliary supporting leg 4, the supporting leg vertical oil cylinder 21 on the crane supporting leg 2 extends out, so that the whole crane 1 is kept flat, the sling of the crane 1 is connected with a sling guide rod 49, the auxiliary supporting leg 4 is hoisted, meanwhile, the sling is combed through the sling guide rod 49, so that the auxiliary supporting leg 4 is kept in a vertical state, when the first connecting platform 31 and the second connecting platform 32 are close to each other, the sling is quickly positioned through a first dismounting positioning block 33 and a second dismounting positioning block 34, so that the auxiliary supporting leg 4 can be quickly installed, after the installation is completed, the hydraulic pump station 5 is used for simultaneously supplying oil to the three-stage telescopic oil cylinder 45, so that the three-stage telescopic oil cylinder 45 extends out, the first sleeve 41 is driven to extend out, when the guide limiting platform 461 is in contact with the guide limiting groove 462, the second sleeve 42 extends out along with the guide limiting platform, similarly, the first sleeve 41, the second sleeve 42, the third sleeve 43 and the fourth sleeve 44 all extend out, the jacking action is completed, the length sensor 6 is used for monitoring the extending height in real time, after the lifting of the three-stage telescopic oil cylinder 45 is completed, so that the crane supporting leg vertical supporting oil cylinder 21 is removed from the crane supporting leg 1.
In conclusion, compared with the prior art, the crane with the auxiliary jacking supporting legs has the following advantages and beneficial effects: the crane with the auxiliary jacking supporting legs increases the height of the whole crane and the span of the supporting legs, and the auxiliary supporting legs can be quickly installed on the supporting legs of the crane through the connecting assembly. The auxiliary supporting legs have a telescopic function and an independent power system, the height of the whole crane can be changed by means of cooperative telescopic of four sets of auxiliary supporting legs, the lifting height of the crane is increased on the basis that other structures of the crane are unchanged, the performance and the application range of the crane are effectively improved, and therefore the hoisting cost is reduced.
It is noted that, unless expressly stated or limited otherwise, the term "coupled" or its synonymous is intended to mean "coupled", as used herein, including, for example, fixedly attached or removably attached; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other or the two elements can interact with each other, so that the specific meaning of the terms in the invention can be understood according to specific situations by a person skilled in the art. Moreover, expressions such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations. Meanwhile, the terms "include", "include" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such process, method, article or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a hoist of supplementary jacking landing leg in area, its characterized in that, the hoist of supplementary jacking landing leg in area includes hoist, four hoist landing legs, coupling assembling, supplementary landing leg and hydraulic power unit, four the jacking landing leg is the H type and installs on the hoist, supplementary landing leg passes through coupling assembling with jack-up landing leg one end is connected, the hydraulic power unit output with supplementary landing leg is connected, wherein:
the connecting assembly comprises a first connecting table, a second connecting table, a first dismounting and positioning block, a second dismounting and positioning block and a pin shaft, wherein the first dismounting and positioning block is symmetrically welded on the first connecting table, the second dismounting and positioning block is symmetrically welded on the second connecting table, and the first connecting table and the second connecting table are fixedly connected through the pin shaft;
the auxiliary supporting leg comprises a first sleeve, a second sleeve, a third sleeve, a fourth sleeve, a three-level telescopic oil cylinder, a guiding limiting assembly, a supporting foot disc, an oil cylinder ball head and a sling guide rod, wherein the second sleeve is sleeved inside the first sleeve, the third sleeve is sleeved inside the second sleeve, the fourth sleeve is sleeved inside the third sleeve, the three-level telescopic oil cylinder is arranged on the first sleeve, the guiding limiting assembly is arranged between the first sleeve and the second sleeve, between the second sleeve and the third sleeve and between the third sleeve and the fourth sleeve, the oil cylinder ball head is arranged at the bottom of the fourth sleeve, the supporting foot disc is arranged on the oil cylinder ball head, and the sling guide rod is arranged on two sides of the first sleeve.
2. The crane with the auxiliary jacking leg as claimed in claim 1, wherein the first connecting table and the second connecting table are provided with connecting holes in the middle, the first connecting table is welded on one side of the jacking leg, and the second connecting table is welded on one side of the first sleeve.
3. The crane with the auxiliary jacking leg as claimed in claim 2, wherein the first dismounting and positioning block and the second dismounting and positioning block are matched with each other, the first connecting platform and the second connecting platform are positioned by the first dismounting and positioning block and the second dismounting and positioning block, the pin shaft is matched with the connecting hole, the pin shaft passes through the connecting hole, and the first connecting platform and the second connecting platform are fixed by the pin shaft.
4. The crane with the auxiliary jacking legs as claimed in claim 1, wherein the guiding and limiting assembly comprises a guiding and limiting table and a guiding and limiting groove, the guiding and limiting table is fixed on the lower inner walls of the first sleeve, the second sleeve and the third sleeve respectively through bolts, and the guiding and limiting groove is arranged on the upper outer walls of the second sleeve, the third sleeve and the fourth sleeve respectively.
5. The crane with the auxiliary jacking legs as claimed in claim 1, wherein the three-stage telescopic cylinder mounting base is fixedly connected with the inside of the first sleeve, the three-stage telescopic cylinder penetrates through the second sleeve, the third sleeve and the fourth sleeve, and the output end of the three-stage telescopic cylinder is fixedly connected with the bottom of the fourth sleeve.
6. The crane with the auxiliary jacking supporting legs according to claim 1, wherein a mounting platform is arranged at the top of the ball head of the oil cylinder, the mounting platform is fixedly connected with the bottom of the fourth sleeve through a bolt, and the middle part of the mounting platform is fixedly connected with the output end of the third-stage telescopic oil cylinder through a bolt.
7. The crane with the auxiliary jacking leg as claimed in claim 1, wherein a connecting slot is provided at the top of the leg plate, the connecting slot is matched with the oil cylinder ball head, and the oil cylinder ball head is connected with the leg plate through the connecting slot.
8. The crane with the auxiliary jacking leg according to claim 1, wherein a length sensor is arranged at the bottom of the inner side of the fourth sleeve.
9. The crane with the auxiliary jacking legs as claimed in claim 1, wherein the crane legs are provided with leg vertical cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310086536.9A CN115973938A (en) | 2023-01-29 | 2023-01-29 | Crane with auxiliary jacking supporting legs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310086536.9A CN115973938A (en) | 2023-01-29 | 2023-01-29 | Crane with auxiliary jacking supporting legs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115973938A true CN115973938A (en) | 2023-04-18 |
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ID=85963151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310086536.9A Pending CN115973938A (en) | 2023-01-29 | 2023-01-29 | Crane with auxiliary jacking supporting legs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115973938A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101717039A (en) * | 2009-12-17 | 2010-06-02 | 三一电气有限责任公司 | Supporting structure and crane with same |
| CN101723243A (en) * | 2009-12-16 | 2010-06-09 | 三一电气有限责任公司 | Supporting mechanism |
| CN201580913U (en) * | 2009-11-27 | 2010-09-15 | 三一汽车制造有限公司 | Crane transition auxiliary device, transportation trailer |
| CN102108789A (en) * | 2010-12-23 | 2011-06-29 | 三一重工股份有限公司 | Engineering machinery |
| CN108862086A (en) * | 2018-08-15 | 2018-11-23 | 太原重工股份有限公司 | Hanging device jacking apparatus and its application method |
-
2023
- 2023-01-29 CN CN202310086536.9A patent/CN115973938A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201580913U (en) * | 2009-11-27 | 2010-09-15 | 三一汽车制造有限公司 | Crane transition auxiliary device, transportation trailer |
| CN101723243A (en) * | 2009-12-16 | 2010-06-09 | 三一电气有限责任公司 | Supporting mechanism |
| CN101717039A (en) * | 2009-12-17 | 2010-06-02 | 三一电气有限责任公司 | Supporting structure and crane with same |
| CN102108789A (en) * | 2010-12-23 | 2011-06-29 | 三一重工股份有限公司 | Engineering machinery |
| CN108862086A (en) * | 2018-08-15 | 2018-11-23 | 太原重工股份有限公司 | Hanging device jacking apparatus and its application method |
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