CN101428738B - Tower crane mast section pin shaft connection method - Google Patents
Tower crane mast section pin shaft connection method Download PDFInfo
- Publication number
- CN101428738B CN101428738B CN2008102293355A CN200810229335A CN101428738B CN 101428738 B CN101428738 B CN 101428738B CN 2008102293355 A CN2008102293355 A CN 2008102293355A CN 200810229335 A CN200810229335 A CN 200810229335A CN 101428738 B CN101428738 B CN 101428738B
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- pin
- lockpin
- bearing pin
- pin shaft
- hole
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Abstract
The invention discloses a tower crane tower body section pin shaft connecting method, and belongs to the technical field of tower cranes. The the tower body section pin shaft connecting method comprises the following steps: arranging a tower body section tenon in an inner hole of a main branch end and then putting the block pin in the block pin hole of the otic placode; arranging a bumper pin in a bumper pin hole of an ear board; arranging the connecting pin shaft which has a lockpin groove end in a connecting hole of the main branch of the tower body section; causing the end part of the lockpin part of the connecting pin shaft to contact with the bumper pin; arranging the lockpin in a lockpin hole of the ear board to lock the connecting pin shaft, using a cotter lockpin to fix the lockpin; exiting from the bumper pin,and completing the connection of a pin shaft. The connecting pin shaft comprises a pin shaft main body, an introducing part and a lockpin part, wherein, the introducing part is positioned between thepin shaft main body and the lockpin part; the lockpin groove used for fixing the lockpin is formed on the lockpin part along a circumference direction. The lockpin groove is formed on the connecting pin shaft of the invention and is free from the direction restrain during the lockpin process; and the introducing part is positioned between the connecting pin shaft main body and the lockpin groove,thereby causing the lockpin groove not to influence the introducing process of the connecting pin shaft. The invention has the advantages of convenient installation and detachment.
Description
Technical field
The invention belongs to the tower crane technical field, particularly relate to the version of bearing pin bonded assembly method between a kind of stacker crane body node and used connection bearing pin thereof.
Background technology
At present, the bearing pin of employing bonded assembly is arranged between stacker crane body node, the high strength bolt of employing bonded assembly is also arranged.Adopt the body of the tower joint of tenon or fish plate connection mode, all adopt bearing pin to connect, this mode of operation safe reliability height will connect bearing pin through the position, be located just passablely again, not have the predetermincd tension requirement; Adopt high strength bolt to connect the body of the tower joint, method is simple, but high strength bolt will have suitable predetermincd tension, to guarantee work safety.
Mainly there are following three problems in the bearing pin that is used to connect the body of the tower joint at present:
1. all be that a bearing pin is arranged mostly, and have the hole that fixed pin shaft is used, on the body of the tower joint, be welded with the bearing pin locating bush, on locating bush, also have the bearing pin knock hole at an end of bearing pin.After when connecting, bearing pin being squeezed into connecting bore, insert knock hole on locating bush and the bearing pin, bearing pin is located with locating dowel pin.For the orientation that is used for the bearing pin knock hole on the orientation that guarantees knock hole on the bearing pin and the locating bush consistent, before squeezing into bearing pin, two alignment of a holes must be changed if squeeze into the metapore position, just must back off and squeeze into bearing pin again, have certain degree of difficulty and working strength.
2. this method of attachment when bearing pin is backed off, must be beaten outward from the inside of body of the tower joint, owing to also platform is arranged not all in the body of the tower joint, the workman is bad to be based oneself upon, and just dismounting has brought inconvenience to the body of the tower joint for this.
3. used connection bearing pin all is to make of valuable high-strength alloy steel between the body of the tower joint, and adopting has a bearing pin, must carry out turning with larger-diameter material, causes waste of material.
Summary of the invention
In order to overcome the technical matters that exists in the prior art, the invention provides the method for attachment of a kind of stacker crane body node bearing pin and connect bearing pin.Adopt this connection bearing pin to connect the body of the tower joint, make method of attachment reasonable, simple in structure, easy accessibility is saved the noble metal material.
The present invention includes connecting pin axle construction and save the localization method two parts that are connected bearing pin with body of the tower.
Body of the tower joint bearing pin of the present invention method of attachment comprises the steps:
1. after body of the tower being saved tenon and inserting the endoporus of major branch end, backing pin is inserted in the backing pin hole on the otic placode;
2. will connect bearing pin and have lock pin groove end and insert in the connecting bore of body of the tower joint major branch, and the lock pin part end that connects bearing pin is contacted with backing pin, the lock pin groove that connects on the bearing pin just in time adapts with the position that body of the tower saves the pin-and-hole of unblanking on the otic placode of end;
3. lock pin is inserted that locking connects bearing pin in the lockpin hole of otic placode, the outside face of lock pin matches with the lock pin groove outside face that is connected bearing pin, and locks lock pin with spring cotter;
4. withdraw from backing pin.
The backing pin hole of being opened on the described otic placode is positioned at the corresponding position of connecting pin shaft end, and the lockpin hole of being opened is at least one, and its position is corresponding with the lock pin groove that connects bearing pin.
The structure of described connection bearing pin comprises the bearing pin main body, introduces partial sum lock pin part, also comprise the introducing part, introduce part between bearing pin main body and lock pin part, it is identical with the bearing pin main body to introduce the part outside diameter, small end is identical with the diameter of lock pin part, and the lock pin part has the lock pin groove that is used for fixing lock pin along circumference.
The lock pin slot cross-section that described connection bearing pin is opened is indent arc, rectangle or trapezoidal.
Beneficial effect of the present invention: connection bearing pin principal feature of the present invention: the one, do not sell head, can save high-strength metal material; The secondth, during with lock pin groove lock pin not the recipient to restriction, connect bearing pin get to the position just can lock pin; The 3rd, introduce part and connecting between bearing pin main body and the lock pin groove, guaranteed that the lock pin groove does not influence the connection bearing pin and introduces process.
Adopt the present invention to connect bearing pin and connect the body of the tower joint, when body of the tower saves dismounting, after earlier lock pin being withdrawed from, connect bearing pin, connect bearing pin and just can withdraw from from the inside of body of the tower joint outside the beating of body of the tower joint to the inside continuation.Great convenience is provided for the safety of workers operation.At first, the workman is operation on the platform of stock outside, does not worry the problem of slipping and dropping from the high-altitude; In addition, the external procedure space is big, swings the hammer operation conveniently, can greatly increase work efficiency.
Description of drawings
Fig. 1 body of the tower joint bearing pin method of attachment scheme drawing.
Fig. 2 is the A-A enlarged diagram of Fig. 1.
Fig. 3 is that the K of Fig. 1 is to scheme drawing.
Fig. 4 connecting pin axle construction scheme drawing.
The specific embodiment
Describe the present invention in detail below in conjunction with embodiment and accompanying drawing.
Embodiment:
As shown in Figure 1-Figure 3, be the structural representation that tower crane adopts body of the tower joint bearing pin of the present invention method of attachment, comprise the steps:
1. after body of the tower being saved tenon 2 and inserting the endoporus of major branch 1 end, backing pin 7 is inserted in the backing pin hole 8 on the otic placode 4 connection bearing pin 3 length that install as required 8 positions, described backing pin hole and deciding;
2. will connect bearing pin 3 and have lock pin groove end and insert in the connecting bore of body of the tower joint major branch, and the end of the lock pin part 12 that connects bearing pin 3 is contacted with backing pin 7; Show that connecting bearing pin 3 is got to the desired location this moment, connect on the bearing pin 3 the lock pin groove just in time with body of the tower joint end otic placode 4 on the position of the pin-and-hole of unblanking 9 adapt;
3. lock pin 5 is inserted that locking connects bearing pin 3 in the lockpin hole 9 of otic placode 4, and lock lock pins 5 with spring cotter 6; The outside face of the outside face of lock pin 5 and lock pin groove matches, and makes connection bearing pin 3 obtain the location.
4. withdraw from backing pin 7.Binding that connects bearing pin that this has just finished a.
This routine described spring cotter 6 also can be spring pin.
When the dismounting of body of the tower joint, the spring cotter 6 that will lock lock pin 5 earlier takes off, and extracts lock pin 5 out, no matter still can get connecting bearing pin 3 from body of the tower joint inside from the body of the tower joint is outside then, has finished the operation of withdrawing from of a bearing pin.
As shown in Figure 3, adopt method of attachment of the present invention, on described otic placode 4, have backing pin hole 8 and lockpin hole 9, backing pin hole 8 is positioned to install and connects the cooresponding position of its axle head, bearing pin 3 back, lockpin hole 9 is corresponding with the lock pin groove position that connection bearing pin 3 is installed, and is positioned at the one or both sides that connect bearing pin 3 its axis of back are installed.Otic placode 4 also is used to connect the web member of body of the tower joint simultaneously.Its concrete function is when the body of the tower joint connects, and body of the tower joint major branch 1 is connected bearing pin 3 and connects with tenon 2 usefulness, connects 5 lockings of bearing pin 3 usefulness lock pins.The backing pin 7 that the present invention inserts in backing pin hole 8, be guarantee to link the degree of depth that bearing pin 3 squeezes into and be connected bearing pin 3 and lock that the position of lockpin hole 9 adapts on the position of cotter way and the otic placode 4, behind lock pin 5 insertion lockpin holes 9, just in time enter the lock pin groove that connects bearing pin 3, will connect bearing pin 3 lockings.
As shown in Figure 4, the structural representation that connects bearing pin 3 for the present invention, link bearing pin 3 and comprise bearing pin main body 10, introduce part 11 and lock pin part 12, introduce part 11 between bearing pin main body 10 and lock pin part 12, bearing pin main body 10 is a cylinder, introducing part 11 is cone table, be connected with lock pin part 12 with the smaller diameter end of introducing part 11, lock pin part 12 is the cylinder along the circumference fluting, and slot is for being used for fixing the lock pin groove of lock pin 5.This routine bearing pin main body 10 is the equal diameter cylinder, is mainly used in the power of transmitting between the body of the tower joint; Introducing part 11 is squeezed at connection bearing pin 3 has wedge in the process, overcome the micro-position deviation that the connecting bore axis exists on tenon 2 and the body of the tower major branch 1, forces both connecting pin axis holes coaxial; The lock pin groove that lock pin part 12 is opened is a circular groove, and is just in time corresponding with lockpin hole 9 on the otic placode 4 when work, is used for fixing and connects bearing pin 3.
Backing pin 7 described in the present invention can be selected various versions for use, its objective is to realize interim location, and can conveniently take out.Connect lock pin slot cross-section that bearing pin 3 opens and can be indent arc, rectangle, different shape such as trapezoidal, lock pin 5 matches with the lock pin groove of being opened, and is used for fixing connection bearing pin 3.
Claims (2)
1. stacker crane body node bearing pin method of attachment is characterized in that comprising the steps:
The first step: after body of the tower saved tenon (2) and insert the endoporus of major branch (1) end, backing pin (7) is inserted in the backing pin hole (8) on the otic placode (4);
Second step: will connect bearing pin (3) and have lock pin groove end and insert body of the tower and save in the connecting bore of major branch, and the lock pin part end that connects bearing pin (3) is contacted with backing pin (7), connect on the bearing pin (3) the lock pin groove just in time with body of the tower save on the end otic placode (4) the position of the pin-and-hole of unblanking (9) adapt;
The 3rd step: the middle locking of lockpin hole (9) of lock pin (5) being inserted otic placode (4) connects bearing pin (3), and the outside face of lock pin (5) matches with the lock pin groove outside face that is connected bearing pin (3), and locks lock pin (5) with spring cotter (6);
The 4th step: withdraw from backing pin (7).
2. stacker crane body node bearing pin according to claim 1 method of attachment, it is characterized in that: the backing pin hole (8) of being opened on the described otic placode (4) is positioned at and connects corresponding position, bearing pin (3) end, the lockpin hole of being opened (9) is at least one, and its position is corresponding with the lock pin groove that connects bearing pin (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102293355A CN101428738B (en) | 2008-12-05 | 2008-12-05 | Tower crane mast section pin shaft connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102293355A CN101428738B (en) | 2008-12-05 | 2008-12-05 | Tower crane mast section pin shaft connection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101428738A CN101428738A (en) | 2009-05-13 |
| CN101428738B true CN101428738B (en) | 2011-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102293355A Expired - Fee Related CN101428738B (en) | 2008-12-05 | 2008-12-05 | Tower crane mast section pin shaft connection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101428738B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050393B (en) * | 2010-12-22 | 2012-10-03 | 三一汽车起重机械有限公司 | Telescopic crane and single-cylinder plug pin mechanism |
| CN102220871A (en) * | 2011-05-24 | 2011-10-19 | 中煤北京煤矿机械有限责任公司 | Forging needling and hydraulic support |
| CN104016219A (en) * | 2014-05-19 | 2014-09-03 | 浙江三一装备有限公司 | Hoisting assembly and crawler frame |
| CN104477790B (en) * | 2014-12-15 | 2016-10-05 | 四川景云祥通信股份公司 | The tower body nodule structure of tower crane |
| CN104555759B (en) * | 2014-12-28 | 2016-08-24 | 重庆市喜植机械设备有限公司 | Building tower crane frame |
| CN105271017A (en) * | 2015-09-30 | 2016-01-27 | 徐州建机工程机械有限公司 | Walking board connecting mechanism of tower crane |
| CN106495031A (en) * | 2016-11-29 | 2017-03-15 | 徐州建机工程机械有限公司 | A kind of derrick crane tower-body standard section bindiny mechanism |
| CN110745718B (en) * | 2019-09-19 | 2020-09-18 | 珠海鉴安检测技术有限公司 | Deviation rectifying method for tower crane |
| CN110814610B (en) * | 2019-10-23 | 2022-04-22 | 湖南中联重科建筑起重机械有限责任公司 | Welding tool |
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2008
- 2008-12-05 CN CN2008102293355A patent/CN101428738B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101428738A (en) | 2009-05-13 |
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Granted publication date: 20110608 Termination date: 20131205 |