CN202704892U - Tower crane convenient to maintain - Google Patents

Tower crane convenient to maintain Download PDF

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Publication number
CN202704892U
CN202704892U CN 201220395296 CN201220395296U CN202704892U CN 202704892 U CN202704892 U CN 202704892U CN 201220395296 CN201220395296 CN 201220395296 CN 201220395296 U CN201220395296 U CN 201220395296U CN 202704892 U CN202704892 U CN 202704892U
Authority
CN
China
Prior art keywords
steel
angle steel
leading role
removable
support angle
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
Application number
CN 201220395296
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Chinese (zh)
Inventor
付进廷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Kerui Anbang Technology Co., Ltd.
Original Assignee
XINXIANG KERUI HEAVY MACHINERY TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by XINXIANG KERUI HEAVY MACHINERY TECHNOLOGY Co Ltd filed Critical XINXIANG KERUI HEAVY MACHINERY TECHNOLOGY Co Ltd
Priority to CN 201220395296 priority Critical patent/CN202704892U/en
Application granted granted Critical
Publication of CN202704892U publication Critical patent/CN202704892U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a tower crane convenient to maintain. A tower frame of the tower crane is formed by assembling rod parts. The tower frame comprises two parallel first main angle steel parts, first support angle steel parts are arranged in the length direction between the two main angle steel parts at equal intervals, one end of each first support angle steel part is connected with one main angle steel part, the other end of each first support angle steel part is detachably fixed with and perpendicular to the other main angle steel part, a central connection plate is arranged between every two adjacent support angle steel parts, each central connection plate is arranged between two first main angle steels, connection angle steel parts are respectively arranged between two sides of each central connection plate and between two first main angle steel parts, one end of each connection angle steel part is detachably fixed with one side of the central connection plate, the other end of each connection angle steel part is detachably fixed with the corresponding main angle steel part, first connection ribs are arranged between two ends of all first support angle steel parts and corresponding connection plates, one end of each first connection rib is detachably fixed with ends of the first support angle steel parts, and the other end of each first connection rib is connected with corresponding ends of the first support angle steel parts.

Description

A kind of tower crane easy to maintenance
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 tower crane easy to maintenance of rod member, 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 occurs easily, affect service life, have reduced and have repeated the number of times that assembly unit is used.Have emergentness because welding destroys, occur easily because member and weld fatigue destroy the safety misadventure that causes in use procedure.
The utility model content
The purpose of this utility model is to provide a kind of tower crane easy to maintenance, 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 following technical scheme: a kind of tower crane easy to maintenance, comprise that pylon and rotation are assemblied in the cantilever of pylon upper end, described pylon is assembled by rod member, described pylon comprises two first leading role's steel that are parallel to each other, on both length directions, equidistantly be laid with an end and removable the fixing of first leading role's steel between two first leading role's steel, the other end and another root first leading role's steel are removable fixing and support angle steel perpendicular to first of two first leading role's steel, all has a center connecting plate between per two the first adjacent support angle steel, each piece center connecting plate all is between two first leading role's steel, a side that is respectively equipped with an end and center connecting plate between the both sides of each center connecting plate and the two first leading role's steel is removable fixing, be provided with removable the fixing in termination of an end and the first support angle steel between the two ends that the other end and the corresponding removable fixing connecting angle of first leading role's steel, each root first support angle steel and the corresponding center connecting plate, the first dowel that the other end links to each other with the corresponding termination of center connecting plate.
Each the first support angle steel is all removable fixing by two the first connecting panels and two first leading role's steel, two the first connecting panels are all by the outside removable being fixed on first leading role's steel respectively, the inboard of two the first connecting panels is removable fixing with the two ends of the first support angle steel respectively, and the corresponding end of corresponding the first dowel is by removable the fixing in 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 rod member, described cantilever includes two second leading role's steel that are parallel to each other, on both length directions, equidistantly be laid with an end and removable the fixing of second leading role's steel between two second leading role's steel, the other end and another root second leading role's steel are removable fixing and support angle steel perpendicular to second of two second leading role's steel, adjacent two second support be provided with between the angle steel two ends respectively with one second corresponding termination of supporting angle steel removable fixing and with two second support angle steel and form the second Z-shaped dowels, the straight line at adjacent two the second dowel places intersects.
Each the second support angle steel is all removable fixing by two the second connecting panels and two second leading role's steel, two the second connecting panels are all by the outside removable being fixed on second leading role's steel respectively, the inboard of two the second connecting panels is removable fixing with the two ends of the second support angle steel respectively, the two ends of described the second dowel respectively by with corresponding two the second connecting panels between removable fixing and corresponding second support that the angle steel termination is removable to be fixed, the two ends of the second dowel are respectively on the removable part that is fixed between the corresponding second leading role's steel of being in of corresponding 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 rod member, the annexation that first leading role's steel of composition pylon, the first dowel, first support between angle steel and the center connecting plate 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 become 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 or lack in the situation of large-scale handling machinery in the transportation difficulty, rely on manually carry and assembly unit fully, save transportation and trucking expenses.
Further, cantilever of the present utility model is assembled by rod member, the all parts of cantilever 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 the structural representation of the utility model embodiment;
Fig. 2 is the partial enlarged drawing at A place among Fig. 1;
Fig. 3 is the partial enlarged drawing at B place among Fig. 1.
The specific embodiment
A kind of embodiment of tower crane easy to maintenance, 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, and wherein pylon 1 is assembled by rod member, the bearing of trend that pylon 1 has two mutual parallel first leading role's steel, 11, the first leading role's steel 11 is identical with the pylon bearing of trend.Be laid with first at both length direction between two first leading role's steel and support angle steel 7, each first spacing that supports between angle steel 7 all equates.First end that supports angle steel 7 links to each other with first leading role's steel, first other end that supports angle steel 7 links to each other with another root first leading role's steel, first supports between angle steel 7 and the two first leading role's steel and all links to each other by the first connecting panel 8, the outside of first connecting panel 8 is fixed by screws on first leading role's steel, the inboard of this first connecting panel 8 is fixed by screw and first termination supporting angle steel 7, the outside of another piece the first connecting panel 8 is fixed by screws on another root first leading role's steel 11, the inboard of this first connecting panel 8 is fixed by another termination that screw and first supports angle steel 7, thereby realizes that first supports fixing between angle steel 7 and the two first leading role's steel.
All has a center connecting plate 10 between per two the first adjacent support angle steel 7, each piece center connecting plate 10 all is between two first leading role's steel 11, center connecting plate 10 has respectively a connecting angle 9 respectively between the both sides of two first leading role's steel 11 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 with first corresponding leading role's steel by the first connecting panel, and the other end of connecting angle 9 is bolted on the first connecting panel, and the first connecting panel is bolted on the upper of first leading role's steel 11.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 the corresponding first end of supporting angle steel the first connecting panel on.
In the present embodiment, cantilever 2 is also assembled by rod member, two second leading role's steel 3 of cantilever 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, support between two second leading role's steel 3 and be provided with the second support angle steel 5, the second support angle steel 5 is vertical with second leading role's steel 3, the second support angle steel 5 is a plurality of, each the second support angle steel 5 is evenly arranged along the length direction of second leading role's steel, second end that supports angle steel 5 links to each other with second leading role's steel 3, and the other end links to each other with another root second leading role's steel 3.Each second support angle steel 5 links to each other with two second leading role's steel 3 by two the second connecting panels 4, two the second connecting panel 4 intervals arrange, one is in second leading role's steel place, another piece is in another root second leading role's steel and goes out, two the second connecting panels are continuous with second corresponding leading role's steel by the outside separately respectively, and the second connecting panel and second leading role's steel are bolted.The inboard of two the second connecting panels 4 links to each other with second two terminations supporting angle steel 5 respectively, also is connected by bolt between two the second connecting panels and the second support angle steel.
Between two second adjacent support angle steel 5, be connected with the second dowel 6, one end of the second dowel 6 links to each other with one second end that supports angle steel, the other end of the second dowel 6 links to each other with the other end that another root second supports angle steel, the second dowel 6 and two second support angle steel 5 form Z-shaped, in the present embodiment, one end of the second dowel 6 is bolted on two second the second connecting panels that support angle steel corresponding end places, and is on the part between second leading role's steel and corresponding the second support angle steel with the second connecting panel.The straight line at two adjacent the second dowel 6 places 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 first connecting panel, also the first 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.
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. tower crane easy to maintenance, comprise that pylon and rotation are assemblied in the cantilever of pylon upper end, it is characterized in that: described pylon is assembled by rod member, described pylon comprises two first leading role's steel that are parallel to each other, on both length directions, equidistantly be laid with an end and removable the fixing of first leading role's steel between two first leading role's steel, the other end and another root first leading role's steel are removable fixing and support angle steel perpendicular to first of two first leading role's steel, all has a center connecting plate between per two the first adjacent support angle steel, each piece center connecting plate all is between two first leading role's steel, a side that is respectively equipped with an end and center connecting plate between the both sides of each center connecting plate and the two first leading role's steel is removable fixing, be provided with removable the fixing in termination of an end and the first support angle steel between the two ends that the other end and the corresponding removable fixing connecting angle of first leading role's steel, each root first support angle steel and the corresponding center connecting plate, the first dowel that the other end links to each other with the corresponding termination of center connecting plate.
2. tower crane easy to maintenance according to claim 1, it is characterized in that: each the first support angle steel is all removable fixing by two the first connecting panels and two first leading role's steel, two the first connecting panels are all by the outside removable being fixed on first leading role's steel respectively, the inboard of two the first connecting panels is removable fixing with the two ends of the first support angle steel respectively, and the corresponding end of corresponding the first dowel is removable fixing by the termination of removable fixing and corresponding the first support angle steel on corresponding the first connecting panel.
3. tower crane easy to maintenance 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 tower cranes easy to maintenance, it is characterized in that: described cantilever is assembled by rod member, described cantilever includes two second leading role's steel that are parallel to each other, on both length directions, equidistantly be laid with an end and removable the fixing of second leading role's steel between two second leading role's steel, the other end and another root second leading role's steel are removable fixing and support angle steel perpendicular to second of two second leading role's steel, adjacent two second support be provided with between the angle steel two ends respectively with one second corresponding termination of supporting angle steel removable fixing and with two second support angle steel and form the second Z-shaped dowels, the straight line at adjacent two the second dowel places intersects.
5. tower crane easy to maintenance according to claim 4, it is characterized in that: each the second support angle steel is all removable fixing by two the second connecting panels and two second leading role's steel, two the second connecting panels are all by the outside removable being fixed on second leading role's steel respectively, the inboard of two the second connecting panels is removable fixing with the two ends of the second support angle steel respectively, the two ends of described the second dowel respectively by with corresponding two the second connecting panels between the second removable fixing and corresponding removable fixing in termination of supporting angle steel, the two ends of the second dowel are respectively on the removable part that is fixed between the corresponding second leading role's steel of being in of corresponding the second connecting panel and the second support angle steel.
6. tower crane easy to maintenance 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.
CN 201220395296 2012-08-10 2012-08-10 Tower crane convenient to maintain Expired - Fee Related CN202704892U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220395296 CN202704892U (en) 2012-08-10 2012-08-10 Tower crane convenient to maintain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220395296 CN202704892U (en) 2012-08-10 2012-08-10 Tower crane convenient to maintain

Publications (1)

Publication Number Publication Date
CN202704892U true CN202704892U (en) 2013-01-30

Family

ID=47585216

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220395296 Expired - Fee Related CN202704892U (en) 2012-08-10 2012-08-10 Tower crane convenient to maintain

Country Status (1)

Country Link
CN (1) CN202704892U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
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.

COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 453400 XINXIANG, HENAN PROVINCE TO: 100000 SHIJINGSHAN, BEIJING

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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130130

Termination date: 20160810

CF01 Termination of patent right due to non-payment of annual fee