CN203007843U - Variable amplitude deck derrick crane - Google Patents
Variable amplitude deck derrick crane Download PDFInfo
- Publication number
- CN203007843U CN203007843U CN 201220574753 CN201220574753U CN203007843U CN 203007843 U CN203007843 U CN 203007843U CN 201220574753 CN201220574753 CN 201220574753 CN 201220574753 U CN201220574753 U CN 201220574753U CN 203007843 U CN203007843 U CN 203007843U
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- Prior art keywords
- arm
- chassis
- luffing
- underframe
- amplitude
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Abstract
The utility model discloses a variable amplitude deck derrick crane which comprises a chassis, two lower sliding rail, four transverse shifting devices, two post-installed fastenings, a crane arm, an inclined support, two stand columns, a lifting winch and a variable amplitude winch, wherein the chassis is a rectangular frame, the two lower sliding rails are arranged on two lateral sides of the chassis, the four transverse shifting devices are installed on four corners of the chassis, two post-installed fastenings are installed on two corners of the rear portion of the chassis, one end of the crane arm is hinged to the front portion of the chassis, the other end of the crane arm is connected with a lifting tool, one end of the inclined support is hinged to the front portion of the chassis, the other end of the inclined support is connected with the crane arm through steel cable, one ends of the two columns are hinged to post-installed fastening counter pressure beams fixed on the post-installed fastenings, the other ends of the two columns are connected with the inclined support, the lifting winch is installed on the chassis, the lifting winch lifts up the lifting tool or lays down the lifting tool through a pulley at the top end of the crane arm, the variable amplitude winch is installed on the chassis, and the variable amplitude winch pulls the crane arm through a pulley at the top end of the inclined support and enables the amplitude of the crane arm to change. The variable amplitude deck derrick crane facilitates walking, locating, anchoring, varying of amplitude of the lifting tool, and improves working efficiency.
Description
Technical field
The utility model relates to a kind of luffing erection crane.
Background technology
Along with the continuous propelling of modernization construction, the various places that spread all over the country such as expressway, through street, new across Jiang Daqiao, cross a river bridge, viaduct, even bridge spanning the sea also constantly builds up.These bridges usually use ready-made segmented bridge floor to carry out the scene and build assembling at present, have improved efficient and quality.In build at the scene of bridge, the erection crane large lifting equipment that is absolutely necessary, a section bridge section of can slinging is placed into assigned address and assembles.Yet, the about hundreds of ton of every joint of segmented bridge floor, hoisting depth surpasses 50 meters, because the bridge floor volume and weight is all very large, the design and installation of suspender are very difficult, the walking, location, anchoring, luffing that causes suspender to and difficulty, demand urgently improving.
The utility model content
For the problem that prior art exists, the purpose of this utility model is to propose a kind of luffing erection crane, by enforcement of the present utility model, is convenient to walking, location, anchoring, the luffing of suspender, has improved operating efficiency.
For reaching this purpose, the utility model by the following technical solutions:
A kind of luffing erection crane comprises:
Underframe is rectangular frame;
Two glide paths are arranged on the dual-side of described underframe;
Four Traverse Displacement Units are arranged on respectively four jiaos of described underframe.
Anchoring after two is arranged on respectively two jiaos of described underframe rear portion;
Arm, an end and described underframe anterior hinged, the other end is connected with suspender;
Bearing diagonal, an end and described underframe anterior hinged, the other end and being connected with described arm by wirerope;
Two columns, an end is hinged with the rear anchoring back-pressure crossbeam that is fixed in described rear anchoring, and the other end is connected with described bearing diagonal;
The hoist engine that hoists is arranged on described underframe, is driven wirerope by the pulley pull-up on described arm top or is put down suspender by electric system and hydraulic system;
The luffing hoist engine is arranged on described underframe, drives the pulley of wirerope by the bearing diagonal top by electric system and hydraulic system and pulls arm, makes the changes in amplitude of arm.
Preferably, also comprise landing 8, be arranged on the end that described bearing diagonal is connected with column.
Preferably, also comprise the steel cushion block, between described one of them glide path and ground.
Preferably, also comprise arm amplitude stopping means, be arranged on described underframe, and between described arm and bearing diagonal.
Preferably, also comprise the boom angle direction board, be arranged on described underframe, and between described arm and arm amplitude stopping means.
Based on disclosing of above technical scheme, the utility model possesses following beneficial effect:
The utility model adopts all-hydraulic vertical shift mode, in advance the vertical shift beam is placed one section in advance during installation, during the complete machine vertical shift, the vertical shift cylinder ejector, complete machine reach, then jacking cylinder jack-up top complete machine, vertical shift oil cylinder retraction is with the reach of vertical shift beam, and jacking cylinder puts down, and complete machine can repeat again reach.This kind working method is convenient to walking, location, anchoring, the luffing of suspender, has improved operating efficiency.
Description of drawings
Fig. 1 is a kind of luffing erection crane elevation of the utility model embodiment 1;
Fig. 2 is a kind of luffing erection crane top view of the utility model embodiment 1;
Fig. 3 is the front fulcrum schematic diagram of a kind of luffing erection crane of the utility model embodiment 1;
Fig. 4 is the rear anchoring schematic diagram of a kind of luffing erection crane of the utility model embodiment 1.
Reference numeral:
1, arm; 2, bearing diagonal; 3, column; 4, underframe; 5, rear anchoring; 6, glide path; 7, suspender; 8, landing; 9, the hoist engine that hoists; 10, luffing hoist engine; 11, electric system; 12, hydraulic system; 13, boom angle direction board; 14, arm amplitude stopping means; 15, Traverse Displacement Unit; 16, rear anchoring back-pressure crossbeam; 20, steel cushion block.
The specific embodiment
The utility model embodiment 1 provides a kind of luffing erection crane, as shown in Figures 1 to 4, comprising: underframe 4 is rectangular frame; Two glide paths 6 are arranged on the dual-side of described underframe 4, are used for loop wheel machine is vertically moved; Four Traverse Displacement Units 15 are arranged on respectively four jiaos of described underframe 4, are used for making the loop wheel machine transverse shifting; After two, anchoring 5, are arranged on respectively two jiaos of described underframe 4 rear portions (rear portion of indication refers to the part away from suspender) here, are used for loop wheel machine and bottom surface are fixed; Arm 1, one end and described underframe 4 anterior hinged, the other end is connected with suspender 7; Bearing diagonal 2, one ends and described underframe 4 anterior hinged, the other end is connected with described arm 1 by wirerope; Two column 3, one ends are hinged with the rear anchoring back-pressure crossbeam 16 that is fixed in described rear anchoring 5, and the other end is connected with described bearing diagonal 2; The hoist engine 9 that hoists is arranged on described underframe 4, is driven wireropes by the pulley pull-up on described arm 1 top or is put down suspender 7 by electric system 11 and hydraulic system 12; Luffing hoist engine 10, be arranged on described underframe 4, drive the pulley of wireropes by bearing diagonal 2 tops by electric system 11 and hydraulic system 12 and pull arm 1, make the changes in amplitude of arm 1, length of boom can be adjusted into 25 meters by 30 meters, and during unloaded traveling, the arm elevation angle need reach 60 ° of left and right.Hoist hoist engine 9 and luffing hoist engine 10 can be two, and its installation form is for vertically rotating 1.5 °, the symmetrical installation.
For the ease of the manually-operated maintenance, landing 8 can also be set, be arranged on the end that described bearing diagonal 2 is connected with column 3.In order to adapt to the different terrain situation, steel cushion block 20 can be set, between described one of them glide path 6 and ground, make underframe be certain inclination angle.
Amplitude of variation for the restriction arm can arrange arm amplitude stopping means 14, is arranged on described underframe 4, and between described arm 1 and bearing diagonal 2.In order further to understand the arm angle changing, can boom angle direction board 13, be arranged on described underframe 4, and between described arm 1 and arm amplitude stopping means 14.
The utility model adopts all-hydraulic vertical shift mode, in advance the vertical shift beam is placed one section in advance during installation, during the complete machine vertical shift, the vertical shift cylinder ejector, complete machine reach, then jacking cylinder jack-up top complete machine, vertical shift oil cylinder retraction is with the reach of vertical shift beam, and jacking cylinder puts down, and complete machine can repeat again reach.
The above; it is only the better specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or changed according to the technical solution of the utility model and utility model design thereof, within all should being encompassed in protection domain of the present utility model.
Claims (5)
1. a luffing erection crane, is characterized in that, comprising:
Underframe is rectangular frame;
Two glide paths are arranged on the dual-side of described underframe;
Four Traverse Displacement Units are arranged on respectively four jiaos of described underframe;
Anchoring after two is arranged on respectively two jiaos of described underframe rear portion;
Arm, an end and described underframe anterior hinged, the other end is connected with suspender;
Bearing diagonal, an end and described underframe anterior hinged, the other end and being connected with described arm by wirerope;
Two columns, an end is hinged with the rear anchoring back-pressure crossbeam that is fixed in described rear anchoring, and the other end is connected with described bearing diagonal;
The hoist engine that hoists is arranged on described underframe, is driven wirerope by the pulley pull-up on described arm top or is put down suspender by electric system and hydraulic system;
The luffing hoist engine is arranged on described underframe, drives the pulley of wirerope by the bearing diagonal top by electric system and hydraulic system and pulls arm, makes the changes in amplitude of arm.
2. luffing erection crane according to claim 1, is characterized in that, also comprises landing (8), is arranged on the end that described bearing diagonal is connected with column.
3. luffing erection crane according to claim 1, is characterized in that, also comprises the steel cushion block, between described one of them glide path and ground.
4. luffing erection crane according to claim 1, is characterized in that, also comprises arm amplitude stopping means, be arranged on described underframe, and between described arm and bearing diagonal.
5. luffing erection crane according to claim 4, is characterized in that, also comprises the boom angle direction board, be arranged on described underframe, and between described arm and arm amplitude stopping means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574753 CN203007843U (en) | 2012-11-03 | 2012-11-03 | Variable amplitude deck derrick crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574753 CN203007843U (en) | 2012-11-03 | 2012-11-03 | Variable amplitude deck derrick crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203007843U true CN203007843U (en) | 2013-06-19 |
Family
ID=48599452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220574753 Expired - Fee Related CN203007843U (en) | 2012-11-03 | 2012-11-03 | Variable amplitude deck derrick crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203007843U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669211A (en) * | 2013-08-22 | 2014-03-26 | 中铁四局集团有限公司 | Hydraulic type multifunctional suspension-assembling girder lifting machine and steel box girder assembling method |
| CN107826986A (en) * | 2017-11-27 | 2018-03-23 | 中交第二航务工程局有限公司 | A kind of amplitude variation type erection crane with A type structure arms |
| CN109914265A (en) * | 2019-04-16 | 2019-06-21 | 合建卡特工业股份有限公司 | A kind of erection crane |
-
2012
- 2012-11-03 CN CN 201220574753 patent/CN203007843U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669211A (en) * | 2013-08-22 | 2014-03-26 | 中铁四局集团有限公司 | Hydraulic type multifunctional suspension-assembling girder lifting machine and steel box girder assembling method |
| CN103669211B (en) * | 2013-08-22 | 2015-11-18 | 中国铁路总公司 | Hydraulic multi-function cantilever lifting beam machine and steel box girder assembling method |
| CN107826986A (en) * | 2017-11-27 | 2018-03-23 | 中交第二航务工程局有限公司 | A kind of amplitude variation type erection crane with A type structure arms |
| CN109914265A (en) * | 2019-04-16 | 2019-06-21 | 合建卡特工业股份有限公司 | A kind of erection crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20181103 |