CN202704880U - Plane truss tower crane - Google Patents
Plane truss tower crane Download PDFInfo
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- CN202704880U CN202704880U CN 201220217164 CN201220217164U CN202704880U CN 202704880 U CN202704880 U CN 202704880U CN 201220217164 CN201220217164 CN 201220217164 CN 201220217164 U CN201220217164 U CN 201220217164U CN 202704880 U CN202704880 U CN 202704880U
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Abstract
The utility model discloses a plane truss tower crane. A tower of the crane is assembled through standard mast sections, the standard mast section comprises two first master angle irons, two adjacent standard mast sections are assembled together through removable fixation of corresponding first master angle irons of the two standard mast sections, a first connection plate is removably fixed on an outer end of each of the two first master angle irons of the standard mast section, first supporting angle irons are removably fixed between two splicing points of the first master angle irons of two adjacent standard mast sections, a central connection plate is disposed between the two first master angle irons of each standard mast section, connection angle irons with one end thereof removably fixed on one side of the central connection plate and the other end removably fixed on a central part of the first master angle iron is disposed between two sides of the central connection plate and the two first master angle irons respectively, and a first connection rib with one end thereof removably fixed with one end of the first master angle iron and the other end connected with one corresponding end of the connection plate is disposed between each end of the first master angle iron of each standard mast section and the central connection plate.
Description
Technical field
The utility model relates to a kind of tower crane, and relating in particular to a kind of pylon and cantilever all is by the assembled plane framework tower crane of a plurality of elementary cells, belongs to the elevator machinery field.
Background technology
Tower crane of the prior art generally has pylon, and install on the ground the lower end of pylon, and upwards towering in the upper end of pylon, is rotatably equipped with cantilever in the upper end of pylon, and cantilever also is strip structure.Tower crane pylon and cantilever belong to tall and slender structure, and suffered primary load comprises hang oneself its gravity, wind loading and the relevant dynamic load of weight of the gravity of self, cantilever, is in curved, as to press combination complicated applied force state.In order better to distribute internal force, to optimize structure, reduce wind loading, present pylon and cantilever generally all are to adopt truss structure.
Consider transportation and assembly unit requirement, the pylon of present tower crane is generally according to the standard cell design manufacturing, and the pylon standard block is the framed structure of rod member welding, and the height of standard block is more than 2m, and the length of side is generally also about 2m.Standard block single-unit quality is heavy, the standard block volume is large, the traffic requirements full size vehicle, and carrying needs elevator machinery, and on-the-spot bolt or the pin of using connects.
At present the cantilever of tower crane generally is designed to the truss structure of rod member welding, and the tower crane of different model is along with hoisting capacity is different with boom reach, and the length of cantilever has tens meters not wait to up to a hundred meters.The cantilever quality is several tons or tens tons, according to the overlength Transportation Organization, needs full size vehicle during transportation, and carrying needs elevator machinery, and on-the-spot bolt or the pin of using connects.
Existing tower crane adopts welded structure, the single-piece quality is large, maintenance cost is high, in addition, tower crane standard block and the cantilever of different model are diversified in specifications, the type steel model that uses is also different, and the tower crane of different model needs different manufacturing process and matching tooling, makes and organizes comparatively complexity.
Simultaneously, tower crane standard block and cantilever elementary cell contour dimension is large, quality is large, transportation is inconvenient with carrying, and transportation is high with landed cost.In the mountain area or the poor area of road engineering factor use and be restricted.
Secondly, tower crane standard block and cantilever elementary cell are welded structure, when the situation such as indivedual Deformation Member, damages occurring in transportation, carrying and use procedure, can only change whole unit, and maintenance cost is high.
Moreover tower crane standard block and cantilever elementary cell are welded structure, weld defect easily occurs, affect service life, have reduced and have repeated the number of times that assembly unit is used.Have emergentness because welding destroys, easily occur because member and weld fatigue destroy the safety misadventure that causes in use procedure.
Summary of the invention
The purpose of this utility model is to provide a kind of plane framework tower crane, take solve in the prior art because of the standard knot of tower crane as welded structure in transportation, carrying and use procedure in case the situations such as indivedual Deformation Member, damages occur, just can only change whole standard knot, cause the high problem of maintenance cost.
For achieving the above object, the utility model adopts a kind of plane framework tower crane of following technical scheme, comprise that pylon and rotation are assemblied in the cantilever of pylon upper end, described pylon is assembled by standard knot, described standard knot comprises the two first leading role's steel that are parallel to each other that extend along the length direction of pylon, two adjacent standard knots fixedly are bolted together by corresponding removable between both first leading role's steel, be in that the outer end of two first leading role's steel of standard knot of outer end is removable to be fixed with first and to support angle steel, two adjacent standard knots are the removable first support angle steel that is fixed with between two splice point of both first leading role's steel, all has center connecting plate between two first leading role's steel of each standard knot, a side that is respectively equipped with an end and center connecting plate between the both sides of center connecting plate and the two first leading role's steel is removable fixing, the removable fixing connecting angle in middle part of the other end and corresponding first leading role's steel, the termination that is provided with an end and first leading role's steel between the two ends of each root first leading role's steel of each standard knot and the center connecting plate is removable fixing, the first dowel that the other end links to each other with the corresponding termination of center connecting plate.
First leading role's steel of per two adjacent standard knots is removable fixing by two the first connecting panels respectively, two leading role's steel of two mutual correspondences of standard knot are the removable two ends that are fixed on the first connecting panel outside respectively, two standard knots are corresponding in addition two first leading role's steel removable two ends that are fixed on another piece first connecting panel outside respectively mutually, the two ends of the first corresponding support angle steel are the removable inboard that is fixed on two the first connecting panels respectively, be in the outer end standard knot two first leading role's steel also by two the first connecting panels with corresponding first the support angle steel is removable fixes, be in first leading role's steel and corresponding the first removable being fixed on first connecting panel of an end of supporting angle steel of the standard knot of outer end, be in another root first leading role's steel and the corresponding first removable being fixed on another piece first connecting panel of the other end of supporting angle steel of the standard knot of outer end, the corresponding end of corresponding the first dowel is removable fixing by the removable fixing termination with corresponding first leading role's steel on corresponding the first connecting panel.
Described first leading role's steel, first supports between angle steel, connecting angle and the first dowel and the first connecting panel or the center connecting plate and all passes through bolts assemblies.
Described cantilever is assembled by elementary cell, described elementary cell comprises the two second leading role's steel that are parallel to each other that extend along the length direction of cantilever, two adjacent elementary cells fixedly are bolted together by corresponding removable between both second leading role's steel, removable being fixed with these two second leading role's steel forms the second Z-shaped dowel between one end of second leading role's steel of each elementary cell and the other end of another root second leading role's steel, the straight line at the second dowel place of two adjacent elementary cells intersects, be in that the outer end of two second leading role's steel of elementary cell of outer end is removable to be fixed with second and to support angle steel, two adjacent elementary cells are removable between two splice point of both second leading role's steel to be fixed with second and to support angle steel.
Second leading role's steel of per two adjacent elementary cells is removable fixing by two the second connecting panels respectively, two second leading role's steel of two mutual correspondences of elementary cell are the removable two ends that are fixed on the second connecting panel outside respectively, two elementary cells are corresponding in addition two second leading role's steel removable two ends that are fixed on another piece second connecting panel outside respectively mutually, the two ends of the second corresponding support angle steel are the removable inboard that is fixed on two the second connecting panels respectively, be in the outer end elementary cell two second leading role's steel also by two the second connecting panels with corresponding second the support angle steel is removable fixes, be in second leading role's steel and corresponding the second removable being fixed on second connecting panel of an end of supporting angle steel of the elementary cell of outer end, be in another root second leading role's steel and the corresponding second removable being fixed on another piece second connecting panel of the other end of supporting angle steel of the elementary cell of outer end, the two ends of corresponding the second dowel respectively removable be fixed on corresponding on the part between the corresponding second leading role's steel of being in of the second connecting panel and the second support angle steel.
Described second leading role's steel, second supports between angle steel and the second dowel and the second connecting panel and all passes through bolts assemblies.
Pylon of the present utility model is assembled by standard knot, and the annexation that first leading role's steel of standard knot, the first dowel first support between angle steel and the first connecting angle is removable fixing, that is to say that pylon of the present utility model was loose mail before assembling, the single-piece quality is little, interchangeability is strong, be conducive to improve pylon manufacturing process standardization level, be convenient to realize the lean manufacturing.And if in transportation or use procedure, rod member occurs and damage, can change the plane framework maintenance by on-the-spot, reduce owing to becoming section to change a wasting of resources that causes, save service expenditure.And because single-piece quality and institute's duty are all less, can realize the transportation of Container Transport or containerization, can in the situation that transportation difficulty or lack large-scale handling machinery rely on manually carry and assembly unit fully, save and transport and trucking expenses.
Further, cantilever of the present utility model has elementary cell assembled, the all parts of elementary cell all is to be assembled by removable fixing mode, cantilever also is loose mail before assembling so, the single-piece quality is little, interchangeability is strong, is conducive to improve the standardization level of cantilever manufacturing process, is convenient to realize the lean manufacturing.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is second leading role's steel among Fig. 1, the mounting structure schematic diagram that the second dowel and second supports angle steel;
Fig. 3 is first leading role's steel among Fig. 1, the mounting structure schematic diagram that the first dowel, first supports angle steel and connecting angle.
The specific embodiment
A kind of embodiment of plane framework tower crane, in Fig. 1 and Fig. 2 and Fig. 3, the lower end of its pylon 1 fixedly is assemblied on the basis, ground, the upper end of pylon 1 is stretched in the air, be rotatably equipped with cantilever 2 in the upper end of pylon 1, pylon 1 and cantilever 2 in the present embodiment are truss structure, wherein pylon 1 is assembled by a plurality of standard knots, standard knot has two first leading role's steel 11 that are parallel to each other, the bearing of trend of first leading role's steel 11 is identical with the pylon bearing of trend, two adjacent standard knots are bolted together by the connection of the correspondence between both first leading role's steel 11, also just say, first leading role's steel 11 of each standard knot is corresponding the connection successively, is spliced into two rod members corresponding with pylon that be parallel to each other.First leading role's steel 11 of two adjacent standard knots is assembled together by two the first connecting panels 8, two the first connecting panels 8 are in respectively two junctions of first leading role's steel 11 of two adjacent standard knots, two mutual two corresponding first leading role's steel 11 of standard knot are respectively by the removable two ends that are fixed on the first connecting panel 8 outsides of bolt, and two mutual corresponding in addition two first leading role's steel 11 of standard knot are respectively by the removable two ends that are fixed on another piece the first connecting panel 8 outsides of bolt.Be provided with first in the junction of two standard knots and support angle steel 7, the first two ends of supporting angle steel 7 are separately positioned on the junction of two first leading role's steel of two standard knots, and the first two ends of supporting angle steel 7 are bolted on respectively the inboard of corresponding two the first connecting panels 8.
The outer end of two first leading role's steel 11 that is in the standard knot of outer end is fixed with respectively first connecting panel 8, support and connection have first to support angle steel 7 between two the first connecting panels 8, two first leading role's steel 11 that are in the standard knot of outer end are fixed by the outside of bolt and two the first connecting panels 8 respectively, and the corresponding first two ends of supporting angle steel 7 are bolted with the inboard of two the first connecting panels 8 respectively.
All has center connecting plate 10 between two first leading role's steel of each standard knot, center connecting plate 10 is in two first middle parts of supporting the rectangle of angle steel formation at two first leading role's steel and these two first leading role's steel two ends, center connecting plate 10 has respectively a connecting angle 9 respectively between the both sides of two first leading role's steel and two first leading role's steel, an end of connecting angle 9 and a side of center connecting plate 10 are removable fixing by bolt; The other end of connecting angle 9 is removable fixing by connecting panel and the middle part of corresponding first leading role's steel, and the other end of connecting angle 9 is bolted on the connecting panel, and connecting panel is bolted on the middle part of first leading role's steel.Center connecting plate 10 is on the part of connecting angle both sides and has been bolted respectively two the first dowels 12, an end that is in two the first dowels 12 of connecting angle one side all is bolted on the center connecting plate 10, the other end be bolted on respectively corresponding standard knot two first leading role's steel the end the first connecting panel on.
In the present embodiment, cantilever 2 is because a plurality of elementary cells are assembled.Elementary cell has two second leading role's steel 3 that are parallel to each other, the bearing of trend of second leading role's steel 3 is identical with the bearing of trend of cantilever, two adjacent elementary cells are bolted together by the connection of the correspondence between both second leading role's steel, also just say, second leading role's steel of each elementary cell is corresponding the connection successively, is spliced into two rod members corresponding with cantilever that be parallel to each other.Second leading role's steel 3 of two adjacent elementary cells is assembled together by two the second connecting panels 4, two the second connecting panels 4 are in respectively two junctions of second leading role's steel of two adjacent elementary cells, two mutual two corresponding second leading role's steel of elementary cell are respectively by the removable two ends that are fixed on the second connecting panel 4 outsides of bolt, and two mutual corresponding in addition two second leading role's steel of elementary cell are respectively by the removable two ends that are fixed on another piece the second connecting panel 4 outsides of bolt.Be provided with second in the junction of two elementary cells and support angle steel 5, the second two ends of supporting angle steel 5 are separately positioned on two second leading role's steel junctions of two elementary cells, and the second two ends of supporting angle steel 5 are bolted on respectively the inboard of corresponding two the second connecting panels 4.
The outer end of two second leading role's steel 3 that is in the elementary cell of outer end is fixed with respectively second connecting panel 4, support and connection have second to support angle steel 5 between two the second connecting panels 4, two second leading role's steel 3 that are in the elementary cell of outer end are fixed by the outside of bolt and two the second connecting panels 4 respectively, and the corresponding second two ends of supporting angle steel 5 are bolted with the inboard of two the second connecting panels 4 respectively.
Be connected with the second dowel 6 between two second leading role's steel 3 of an elementary cell, the second dowel 6 is Z-shaped with two corresponding second leading role's steel, 3 formations, one end of the second dowel 6 is bolted on second connecting panel at corresponding second leading role's steel, 3 one end places, the other end of the second dowel 6 is bolted on second connecting panel at another corresponding root second leading role's steel 3 other end places, and the second dowel 6 is in corresponding second leading role's steel and second with the second connecting panel and supports the part between the angle steel to link to each other.The straight line at the second dowel 6 places of two adjacent elementary cells intersects.
First leading role's steel in the present embodiment, the first support angle steel, the first dowel, the first connecting angle all are fixed together by bolt is removable, also can be fixed together by pin is removable.
First leading role's steel in the present embodiment, the first junction of supporting angle steel and the first dowel all are provided with the second connecting panel, also the second connecting panel can be set, directly interconnect.
Second leading role's steel in the present embodiment, second supports angle steel and the second dowel all is fixed together by bolt is removable, also can be fixed together by pin is removable.
[0028] second leading role's steel in the present embodiment, the second junction of supporting angle steel and the second dowel all are provided with the second connecting panel, also the second connecting panel can be set, directly interconnect.
Claims (6)
1. plane framework tower crane, comprise that pylon and rotation are assemblied in the cantilever of pylon upper end, it is characterized in that: described pylon is assembled by standard knot, described standard knot comprises the two first leading role's steel that are parallel to each other that extend along the length direction of pylon, two adjacent standard knots fixedly are bolted together by corresponding removable between both first leading role's steel, be in that the outer end of two first leading role's steel of standard knot of outer end is removable to be fixed with first and to support angle steel, two adjacent standard knots are the removable first support angle steel that is fixed with between two splice point of both first leading role's steel, all has center connecting plate between two first leading role's steel of each standard knot, a side that is respectively equipped with an end and center connecting plate between the both sides of center connecting plate and the two first leading role's steel is removable fixing, the removable fixing connecting angle in middle part of the other end and corresponding first leading role's steel, the termination that is provided with an end and first leading role's steel between the two ends of each root first leading role's steel of each standard knot and the center connecting plate is removable fixing, the first dowel that the other end links to each other with the corresponding termination of center connecting plate.
2. plane framework tower crane according to claim 1, it is characterized in that: first leading role's steel of per two adjacent standard knots is removable fixing by two the first connecting panels respectively, two leading role's steel of two mutual correspondences of standard knot are the removable two ends that are fixed on the first connecting panel outside respectively, two standard knots are corresponding in addition two first leading role's steel removable two ends that are fixed on another piece first connecting panel outside respectively mutually, the two ends of the first corresponding support angle steel are the removable inboard that is fixed on two the first connecting panels respectively, be in the outer end standard knot two first leading role's steel also by two the first connecting panels with corresponding first the support angle steel is removable fixes, be in first leading role's steel and corresponding the first removable being fixed on first connecting panel of an end of supporting angle steel of the standard knot of outer end, be in another root first leading role's steel and the corresponding first removable being fixed on another piece first connecting panel of the other end of supporting angle steel of the standard knot of outer end, the corresponding end of corresponding the first dowel is removable fixing by the removable fixing termination with corresponding first leading role's steel on corresponding the first connecting panel.
3. plane framework tower crane according to claim 2 is characterized in that: all pass through bolts assemblies between described first leading role's steel, the first support angle steel, connecting angle and the first dowel and the first connecting panel or the center connecting plate.
4. according to claim 1 and 2 or 3 described plane framework tower cranes, it is characterized in that: described cantilever is assembled by elementary cell, described elementary cell comprises the two second leading role's steel that are parallel to each other that extend along the length direction of cantilever, two adjacent elementary cells fixedly are bolted together by corresponding removable between both second leading role's steel, removable being fixed with these two second leading role's steel forms the second Z-shaped dowel between one end of second leading role's steel of each elementary cell and the other end of another root second leading role's steel, the straight line at the second dowel place of two adjacent elementary cells intersects, be in that the outer end of two second leading role's steel of elementary cell of outer end is removable to be fixed with second and to support angle steel, two adjacent elementary cells are removable between two splice point of both second leading role's steel to be fixed with second and to support angle steel.
5. plane framework tower crane according to claim 4, it is characterized in that: second leading role's steel of per two adjacent elementary cells is removable fixing by two the second connecting panels respectively, two second leading role's steel of two mutual correspondences of elementary cell are the removable two ends that are fixed on the second connecting panel outside respectively, two elementary cells are corresponding in addition two second leading role's steel removable two ends that are fixed on another piece second connecting panel outside respectively mutually, the two ends of the second corresponding support angle steel are the removable inboard that is fixed on two the second connecting panels respectively, be in the outer end elementary cell two second leading role's steel also by two the second connecting panels with corresponding second the support angle steel is removable fixes, be in second leading role's steel and corresponding the second removable being fixed on second connecting panel of an end of supporting angle steel of the elementary cell of outer end, be in another root second leading role's steel and the corresponding second removable being fixed on another piece second connecting panel of the other end of supporting angle steel of the elementary cell of outer end, the two ends of corresponding the second dowel respectively removable be fixed on corresponding on the part between the corresponding second leading role's steel of being in of the second connecting panel and the second support angle steel.
6. plane framework tower crane according to claim 5 is characterized in that: all pass through bolts assemblies between described second leading role's steel, the second support angle steel and the second dowel and the second connecting panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217164 CN202704880U (en) | 2012-05-15 | 2012-05-15 | Plane truss tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217164 CN202704880U (en) | 2012-05-15 | 2012-05-15 | Plane truss tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202704880U true CN202704880U (en) | 2013-01-30 |
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ID=47585204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220217164 Expired - Fee Related CN202704880U (en) | 2012-05-15 | 2012-05-15 | Plane truss tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202704880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600688A (en) * | 2015-11-17 | 2016-05-25 | 徐工集团工程机械股份有限公司 | Jib and crane |
| CN105668434A (en) * | 2016-04-17 | 2016-06-15 | 昆山克鲁克机电设备有限公司 | Novel crane moment arm net truss |
-
2012
- 2012-05-15 CN CN 201220217164 patent/CN202704880U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600688A (en) * | 2015-11-17 | 2016-05-25 | 徐工集团工程机械股份有限公司 | Jib and crane |
| CN105668434A (en) * | 2016-04-17 | 2016-06-15 | 昆山克鲁克机电设备有限公司 | Novel crane moment arm net truss |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING KERUI ANBANG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XINXIANG KERUI HEAVY MACHINERY TECHNOLOGY CO., LTD. Effective date: 20141226 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 453400 XINXIANG, HENAN PROVINCE TO: 100000 SHIJINGSHAN, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141226 Address after: 100000, No. 8, building 30, Shijingshan District Hing Street, Beijing Patentee after: Beijing Kerui Anbang Technology Co., Ltd. Address before: The western part of Changyuan County, Xinxiang City People's road 453400 in Henan Province Patentee before: Xinxiang Kerui Heavy Machinery Technology Co., Ltd. |
|
| 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: 20130130 Termination date: 20160515 |