CN105347208A - Portal crane boom hinge point assembly structure - Google Patents
Portal crane boom hinge point assembly structure Download PDFInfo
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- CN105347208A CN105347208A CN201510768041.XA CN201510768041A CN105347208A CN 105347208 A CN105347208 A CN 105347208A CN 201510768041 A CN201510768041 A CN 201510768041A CN 105347208 A CN105347208 A CN 105347208A
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- Prior art keywords
- notch
- hinge
- mounting structure
- jib
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Classifications
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- 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
- B66C23/64—Jibs
- B66C23/66—Outer or upper end constructions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a portal crane boom hinge point assembly structure. The portal crane boom hinge point assembly structure comprises a hinged support, a hinged shaft, two outer attaching plates and two outer embedding plates. The hinged support is of an open structure provided with a guiding notch. The hinged shaft is rotationally arranged on the root of a boom of a portal crane in a penetrating manner, and the hinged shaft can be installed in the hinged support along the guiding notch. The two outer attaching plates are attached and fixed to the corresponding positions of two opposite outer side faces of the hinged support respectively and are provided with first notches corresponding to the guiding notch. Annular grooves are formed in the outer side faces of the outer attaching plates. The outer diameters of the annular grooves are larger than the diameter of the hinged shaft. The two outer embedding plates are embedded into and fixed to the annular grooves of the two outer attaching plates respectively. The outer embedding plates are provided with second notches in the shapes corresponding to those of the first notches. The arranging direction of the second notches is opposite to that of the first notches so that a shaft hole for fixing the hinged shaft can be defined.
Description
Technical field
The present invention relates to high pedestal jib crane technical field, particularly relate to a kind of jib hinge mounting structure of high pedestal jib crane.
Background technology
Four-bar frame system is the important component part of high pedestal jib crane, the intensity of boom system, rigidity and stability directly have influence on the functional characteristic of high pedestal jib crane, safety and reliability, and it manufactures and the link of installation process also for holding the balance in span winch production.
The boom system of existing high pedestal jib crane adopts hinge to assemble usually, can pitching characteristic and good structural mechanics characteristic to obtain, hinge pattern is varied, in industry to the general requirement of hinge mounting structure be safe and reliable, be easy to manufacture and install.
Existing jib hinge mounting structure is mainly divided into two kinds.Wherein a kind of jib hinge mounting structure is as shown in Fig. 1 a and Fig. 1 b, and its free bearing 11 is enclosed construction, and the middle part of free bearing 11 offers axis hole.When carrying out installation with free bearing 11 of jib 15, needing first jib 15 root is stretched in free bearing 11, then interting hinge 14 from free bearing 11 side, and utilize axle end baffle plate 13 to locate.The reliability of positioning of above-mentioned jib hinge mounting structure is strong, but due to hinge 14 need through parts such as free bearing 11, axle sleeve, bearings, assembling resistance is comparatively large, wastes time and energy.
Another kind of jib hinge mounting structure is as shown in Fig. 2 a and Fig. 2 b, and its free bearing 21 is Open architecture, namely has a notch.When carrying out the installation of jib 25 and free bearing 21, can first be assemblied on the hinge of jib 25 by hinge 24, then entirety pushes among free bearing 21 from notch, and utilizes axle end baffle plate 23 to locate.The installation process of this kind of jib hinge mounting structure is convenient, but in concrete use procedure, when crane rotation action, jib 25 easily occurs beating even from the phenomenon that the opening part of notch is scurried out, and causes safety misadventure.
Therefore, a kind of easy to assembly and high pedestal jib crane jib hinge mounting structure that safety is high is provided, has become a large technical matters urgently to be resolved hurrily in this area.
Summary of the invention
The object of the present invention is to provide a kind of high pedestal jib crane jib hinge mounting structure, in order to solve the technical matters that existing jib hinge mounting structure assembling resistance is comparatively large and safety is lower.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
The present invention proposes a kind of high pedestal jib crane jib hinge mounting structure, wherein, comprises free bearing, hinge, two blocks of outer pasting boards and two blocks of outer panels; Described free bearing is offer the Open architecture guiding notch; Described hinge is arranged in the jib root of high pedestal jib crane rotationally, and described hinge can load in described free bearing along described guiding notch; Described two blocks of outer pasting boards fit respectively be fixed on described free bearing two to the correspondence position to lateral surface, described outer pasting board offers first notch corresponding with described guiding notch, and the lateral surface of described outer pasting board offers circular groove, the external diameter of described circular groove is greater than the diameter of described hinge; Described two blocks of outer panels embed respectively be fixed on described two blocks of outer pasting boards circular groove in, described outer panel offers second notch corresponding with described first notch shape, and described second notch offer direction and described first notch to offer direction different, to define the axis hole of a fixing hinge.
According to an embodiment of the present invention, the angle offered between direction offering direction and described second notch of described first notch is 180 °.
According to another embodiment, two blocks of described outer panels are stretched out at described hinge both ends respectively, and periphery, described hinge both ends offers multiple draw-in groove, and described high pedestal jib crane jib hinge mounting structure also comprises polylith axle end baffle plate; Described axle end baffle plate and described multiple draw-in groove one_to_one corresponding, described in every block, axle end baffle plate part is arranged in described draw-in groove, and described axle end baffle plate is fixed on described outer panel.
According to another embodiment, described guiding notch offer direction and horizontal direction is 45 ° of angles.
According to another embodiment, described free bearing comprises two pieces of risers, base plate and two pieces of connecting panels; Described two pieces of riser vertical spacings arrange and offer guiding groove respectively, and described two guiding grooves define described guiding notch jointly; Described floor level arranges and is fixed on described two pieces of riser lower ends; Between the lower front that described two pieces of connecting panels are connected to described two pieces of risers and between back lower.
According to another embodiment, described high pedestal jib crane jib hinge mounting structure also comprises pasting board and/or polylith in two pieces and strengthens gusset; In described two pieces, pasting board is fitted respectively and is fixed on the correspondence position of described two pieces of riser medial surfaces, and described interior pasting board offers three notch corresponding with described guiding notch; Described polylith is strengthened gusset and is individually fixed between described two pieces of risers and described base plate.
In order to solve the problems of the technologies described above, the technical scheme that the present invention proposes also comprises: propose a kind of high pedestal jib crane jib hinge mounting structure, wherein, comprise free bearing, hinge and two blocks of outer panels; Described free bearing is offer the Open architecture guiding notch, and the two sides of described free bearing offer circular groove respectively; Described hinge is arranged in the confession jib root of high pedestal jib crane rotationally, and described hinge can load in described free bearing along described guiding notch; Described two blocks of outer panels embed respectively and are fixed in described two circular grooves, described outer panel offers second notch corresponding with described guiding groove mouth-shaped, and described second notch offer direction and described guiding notch to offer direction different, to define the axis hole of a fixing described hinge.
According to another embodiment, the angle offered between direction offering direction and described second notch of described guiding notch is 180 °.
According to another embodiment, two blocks of described outer panels are stretched out at described hinge both ends respectively, and periphery, described hinge both ends offers multiple draw-in groove, and described high pedestal jib crane jib hinge mounting structure also comprises polylith axle end baffle plate; Described polylith axle end baffle plate and described multiple draw-in groove one_to_one corresponding, described in every block, axle end baffle plate part is arranged in described draw-in groove, and described axle end baffle plate is fixed on described outer panel.
According to another embodiment, described guiding notch offer direction and horizontal direction is 45 ° of angles.
As shown from the above technical solution, beneficial effect of the present invention is: the Open architecture design of the free bearing of the high pedestal jib crane jib hinge mounting structure that the present invention proposes, the assembling resistance namely by guiding the setting of notch to reduce the hinge being located in jib root hinge.Meanwhile, fixed by the embedding of outer pasting board and outer panel and outer panel to the positioning action of hinge, ensure that during hinge can not work to loosen again and even scurry out, improve the safety performance of high pedestal jib crane.
Accompanying drawing explanation
Fig. 1 a is a kind of structural representation of existing jib hinge mounting structure;
Fig. 1 b is the side partial sectional view of Fig. 1 a;
Fig. 2 a is the structural representation of another kind of existing jib hinge mounting structure;
Fig. 2 b is the side partial sectional view of Fig. 2 a;
Fig. 3 a is the structural representation of high pedestal jib crane jib hinge mounting structure one embodiment that the present invention proposes;
Fig. 3 b is the side partial sectional view of Fig. 3 a.
Wherein, description of reference numerals is as follows:
11. free bearings; 12. free bearing pasting boards; 13. axle end baffle plates; 14. hinges; 15. jibs; 21. free bearings; 22. free bearing pasting boards; 23. axle end baffle plates; 24. hinges; 25. jibs; 31. free bearings; 32. outer pasting boards; Pasting board in 33.; 34. outer panels; 35. axle end baffle plates; 36. hinges; 37. jibs.
Detailed description of the invention
The exemplary embodiments embodying feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various changes in different embodiments, it neither departs from the scope of the present invention, and explanation wherein and to be shown in be the use explained in essence, and be not used to limit the present invention.
Embodiment one
As best shown in figures 3 a and 3b, an embodiment of the high pedestal jib crane jib hinge mounting structure of the present invention's proposition.This jib hinge mounting structure can be used for the hinge 36 of high pedestal jib crane jib 37 root and the assembling of free bearing 31.In the present embodiment, this high pedestal jib crane jib hinge mounting structure mainly comprises free bearing 31, the outer pasting board 32 of hinge 36, two blocks and two blocks of outer panels 34.
As shown in Figure 3 a, in the present embodiment, free bearing 31 comprises two pieces of risers, base plate and two pieces of connecting panels.Wherein, two pieces of riser vertical spacings arrange and offer guiding groove respectively, and two guiding grooves jointly define one and guide notch, for loading free bearing 31 for hinge 36 along guiding notch.That is, the width of guiding groove equals the diameter of hinge 36.Action radius due to jib 37 is generally 45 ° ~ 80 °, therefore design this guiding notch offer direction and horizontal direction is 45 ° of angles, also can select other angles in other embodiments.Floor level arranges and is fixed on two pieces of riser lower ends, and two pieces of connecting panels be connected to two pieces of risers lower front between and between back lower.In addition, two pieces are also fixed with polylith reinforcement gusset, for strengthening the structural strength of free bearing 31 further between riser and base plate.It should be noted that, in other embodiments, free bearing 31 can be other structures, is not limited with said structure, but should ensure that free bearing 31 is Open architecture and offers the guiding notch loaded for hinge 36.
As best shown in figures 3 a and 3b, in the present embodiment, hinge 36 is arranged in jib 37 root of high pedestal jib crane rotationally, and hinge 36 can load in free bearing 31 along guiding notch.
As best shown in figures 3 a and 3b, in the present embodiment, two blocks of outer pasting boards 32 are fitted the correspondence position of the outside face (namely two of free bearing 31 to lateral surface) being fixed on two pieces of risers respectively.Outer pasting board 32 offers and the first notch guiding notch corresponding, and the lateral surface of outer pasting board 32 offers circular groove, and the external diameter of this circular groove is greater than the diameter of hinge 36.
As best shown in figures 3 a and 3b, in the present embodiment, two blocks of outer panels 34 embed respectively be fixed on two blocks of outer pasting boards 32 circular groove in.This outer panel 34 offers second notch corresponding with the first notch shape, and the second notch offer direction (i.e. the axis direction of the second notch) and the first notch offer the angle that direction (i.e. the axis direction of the first notch) has 180 °, make the first notch and the second notch jointly define one and wear fixing axis hole for hinge 36, ensure that hinge 36 can not loosen or scurry out along guiding notch.It should be noted that, above-mentioned description of offering direction about the first notch and the second notch, be only represent jib 37, hinge 36 and free bearing 31 install after state.
In addition, as best shown in figures 3 a and 3b, in the present embodiment, the both ends of hinge 36 stretch out in two blocks of outer panels 34 respectively, and periphery, hinge 36 both ends offers draw-in groove, the periphery of i.e. each end of hinge 36 offers two draw-in grooves of Rather, openings, for respectively accordingly card establish the two pieces of axle end baffle plates 35 be oppositely arranged, every block axle end baffle plate 35 is all fixed on outer panel 34.It should be noted that, exist at other embodiments, each end of hinge 36 can be offered the draw-in groove of other quantity, to block the axle end baffle plate 35 establishing respective numbers correspondingly.
In addition, as shown in Figure 3 b, in the present embodiment, on the relative position of the medial surface of two pieces of risers, laminating is fixed with pasting board 33 in two pieces respectively, this interior pasting board 33 offers and the 3rd notch guiding notch corresponding, and the position of the outer pasting board 32 of this interior pasting board 33 is corresponding.
The installation procedure of the high pedestal jib crane jib hinge mounting structure that the present invention proposes is roughly as follows: the hinge place first hinge 36 being arranged in jib 37 root.Then the hinge 36 be located on jib 37 is entered in free bearing 31 along guiding notch integral installation.Again two blocks of outer panels 34 are embedded in the circular groove of two blocks of outer pasting boards 32 respectively, and rotated around hinge 36 by outer panel 34, until the direction of offering of the first notch of the second notch of outer panel 34 and outer pasting board 32 (or guiding notch of riser) is 180 °.That is, the cross section of the first notch and the second notch (or guiding notch) forms an axis hole worn for hinge 36.Finally utilize multiple axle end baffle plate 35 to be engaged with outer panel 34 (i.e. free bearing 31) by hinge 36 to locate.
Embodiment two
Another embodiment of the high pedestal jib crane jib hinge mounting structure that the present invention proposes.This second embodiment is roughly the same with the structure of above-mentioned first embodiment, but difference is: in the present embodiment, the relative position of two pieces of riser outside faces (two sides of free bearing) of free bearing offers circular groove.Two blocks of outer panels embed respectively and are fixed in two circular grooves of free bearing, and the second notch that outer panel is offered is corresponding with guiding the shape of notch.Said structure eliminates the structure of outer pasting board, simplifies the structure to a certain extent, but compared to the first embodiment, structural strength decreases, and can select flexibly according to different user demand.
Though exemplary embodiment describe high pedestal jib crane jib hinge mounting structure of the present invention with reference to several, should be understood that term used be illustrate and illustrative, and not restrictive.Its design or essence is not departed from because the present invention can specifically implement in a variety of forms, therefore, above-described embodiment is not limited to any aforesaid details, and explain widely in the design that should limit in claim of enclosing and scope, therefore the whole change fallen in claim or its equivalent scope and remodeling all should be claim of enclosing and contained.
Claims (10)
1. a high pedestal jib crane jib hinge mounting structure, is characterized in that, comprising:
Free bearing (31), for offering the Open architecture guiding notch;
Hinge (36), is arranged in jib (37) root of high pedestal jib crane rotationally, and described hinge (36) can load in described free bearing (31) along described guiding notch;
Two pieces of outer pasting boards (32), laminating is fixed on two of described free bearing (31) to the correspondence position to lateral surface respectively, described outer pasting board (32) offers first notch corresponding with described guiding notch, and the lateral surface of described outer pasting board (32) offers circular groove, the external diameter of described circular groove is greater than the diameter of described hinge (36); And
Two pieces of outer panels (34), embedding respectively is fixed in the circular groove of described two pieces of outer pasting boards (32), described outer panel (34) offers second notch corresponding with described first notch shape, and described second notch offer direction and described first notch to offer direction different, to define the axis hole of a fixing described hinge (36).
2. high pedestal jib crane jib hinge mounting structure according to claim 1, is characterized in that, the angle offered between direction offering direction and described second notch of described first notch is 180 °.
3. high pedestal jib crane jib hinge mounting structure according to claim 1, it is characterized in that, two pieces of described outer panels (34) are stretched out at described hinge (36) both ends respectively, and described hinge (36) periphery, both ends offers multiple draw-in groove, described high pedestal jib crane jib hinge mounting structure also comprises:
Polylith axle end baffle plate (35), with described multiple draw-in groove one_to_one corresponding, described in every block, axle end baffle plate (35) part is arranged in described draw-in groove, and described axle end baffle plate (35) is fixed on described outer panel (34).
4. high pedestal jib crane jib hinge mounting structure according to claim 1, is characterized in that, described guiding notch offer direction and horizontal direction is 45 ° of angles.
5. high pedestal jib crane jib hinge mounting structure according to claim 1, it is characterized in that, described free bearing (31) comprising:
Two pieces of risers, vertical spacing arranges and offers guiding groove respectively, and described two guiding grooves define described guiding notch jointly;
Base plate, is horizontally disposed with and is fixed on described two pieces of riser lower ends; And
Two pieces of connecting panels, between the lower front being connected to described two pieces of risers and between back lower.
6. high pedestal jib crane jib hinge mounting structure according to claim 5, it is characterized in that, described free bearing (31) also comprises:
Pasting board (33) in two pieces, the correspondence position of described two pieces of riser medial surfaces is fixed in laminating respectively, and described interior pasting board (33) offers three notch corresponding with described guiding notch; And/or
Polylith strengthens gusset, is individually fixed between described two pieces of risers and described base plate.
7. a high pedestal jib crane jib hinge mounting structure, is characterized in that, comprising:
Free bearing, for offering the Open architecture guiding notch, the two sides of described free bearing offer circular groove respectively;
Hinge, what be arranged in high pedestal jib crane rotationally supplies jib root, and described hinge can load in described free bearing along described guiding notch; And
Two blocks of outer panels, embedding respectively is fixed in described two circular grooves, described outer panel offers second notch corresponding with described guiding groove mouth-shaped, and described second notch offer direction and described guiding notch to offer direction different, to define the axis hole of a fixing described hinge.
8. high pedestal jib crane jib hinge mounting structure according to claim 7, is characterized in that, the angle offered between direction offering direction and described second notch of described guiding notch is 180 °.
9. high pedestal jib crane jib hinge mounting structure according to claim 7, it is characterized in that, two blocks of described outer panels are stretched out at described hinge both ends respectively, and periphery, described hinge both ends offers multiple draw-in groove, and described high pedestal jib crane jib hinge mounting structure also comprises:
Polylith axle end baffle plate, with described multiple draw-in groove one_to_one corresponding, described in every block, axle end baffle plate part is arranged in described draw-in groove, and described axle end baffle plate is fixed on described outer panel.
10. high pedestal jib crane jib hinge mounting structure according to claim 7, is characterized in that, described guiding notch offer direction and horizontal direction is 45 ° of angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510768041.XA CN105347208A (en) | 2015-11-11 | 2015-11-11 | Portal crane boom hinge point assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510768041.XA CN105347208A (en) | 2015-11-11 | 2015-11-11 | Portal crane boom hinge point assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105347208A true CN105347208A (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510768041.XA Pending CN105347208A (en) | 2015-11-11 | 2015-11-11 | Portal crane boom hinge point assembly structure |
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|---|---|
| CN (1) | CN105347208A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3262580A (en) * | 1964-06-23 | 1966-07-26 | Mcdowell Wellman Eng Co | Slewable gantry crane |
| CN201785136U (en) * | 2010-09-14 | 2011-04-06 | 无锡工力工程机械厂 | Gantry crane carriage running vertical hinge supporting device |
| CN102897659A (en) * | 2012-08-16 | 2013-01-30 | 泰州市腾发建筑机械有限公司 | Crane beam connecting mechanism |
| CN202880715U (en) * | 2012-08-18 | 2013-04-17 | 上海庞源机械租赁股份有限公司 | Hinge-point-improved boom root structure of large luffing jib tower crane |
| CN202924603U (en) * | 2012-11-07 | 2013-05-08 | 日照港集团岚山港务有限公司 | Hinge point connection supporting device for gantry crane |
| CN203033664U (en) * | 2013-01-08 | 2013-07-03 | 太原重工股份有限公司 | Hinge joint device of crane bridge of four-beam crane |
| CN204416940U (en) * | 2015-01-23 | 2015-06-24 | 无锡华东重型机械股份有限公司 | The connecting hinge of gantry crane's supporting legs and girder |
-
2015
- 2015-11-11 CN CN201510768041.XA patent/CN105347208A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3262580A (en) * | 1964-06-23 | 1966-07-26 | Mcdowell Wellman Eng Co | Slewable gantry crane |
| CN201785136U (en) * | 2010-09-14 | 2011-04-06 | 无锡工力工程机械厂 | Gantry crane carriage running vertical hinge supporting device |
| CN102897659A (en) * | 2012-08-16 | 2013-01-30 | 泰州市腾发建筑机械有限公司 | Crane beam connecting mechanism |
| CN202880715U (en) * | 2012-08-18 | 2013-04-17 | 上海庞源机械租赁股份有限公司 | Hinge-point-improved boom root structure of large luffing jib tower crane |
| CN202924603U (en) * | 2012-11-07 | 2013-05-08 | 日照港集团岚山港务有限公司 | Hinge point connection supporting device for gantry crane |
| CN203033664U (en) * | 2013-01-08 | 2013-07-03 | 太原重工股份有限公司 | Hinge joint device of crane bridge of four-beam crane |
| CN204416940U (en) * | 2015-01-23 | 2015-06-24 | 无锡华东重型机械股份有限公司 | The connecting hinge of gantry crane's supporting legs and girder |
Non-Patent Citations (1)
| Title |
|---|
| 胡希颖: "门座式起重机臂架铰点异响分析及处理", 《起重运输机械》 * |
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