CN201099590Y - Large-sized trussed-beam type crane detaching type single shear connection girder structure - Google Patents
Large-sized trussed-beam type crane detaching type single shear connection girder structure Download PDFInfo
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- CN201099590Y CN201099590Y CNU2007200922387U CN200720092238U CN201099590Y CN 201099590 Y CN201099590 Y CN 201099590Y CN U2007200922387 U CNU2007200922387 U CN U2007200922387U CN 200720092238 U CN200720092238 U CN 200720092238U CN 201099590 Y CN201099590 Y CN 201099590Y
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- web member
- truss
- diagonal web
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Abstract
A decomposed type single shear truss structure of large truss type crane is composed of a plurality of unit sections, which is characterized in that each unit section is composed of four sheet type independent unit trusses A and four sheet type independent unit trusses B, each independent unit truss A comprises a main chord (2), the upper ends of the main chord (2) at same side are provided with one lower slope web rod (9) extended downwards to same direction, the lower ends are both provided with an upper slope web rod (5) extended upwards to same direction, and the middles are both provided with one horizontal web rod (8). The ends of all web rods are fixedly connected at a connecting plate (7), each truss B comprises an upper slope web rod (1), a horizontal web rod (3) and a lower slope web rod (4) at one plane, with one end crossed at the same side of a connecting plate (7-1) and fixedly connected with the plate, the upper and lower web rods (1, 4) are referred with the horizontal web rod (3) to extend side upwards and side downwards.
Description
Technical field
The utility model relates to weight-lifting equipment, relates to the large-scale truss type weight-lifting equipment specifically and bears with a kind of large-scale truss type hoisting crane split-type simple shear of transmitted load and be connected truss structure.
Background technology
Along with motherland's economic liftoff, weight-lifting equipment is also in develop rapidly.Especially in building, the widely used large-scale truss type hoisting cranes in aspect such as electricity builds, bridge and harbour handling propose requirements at the higher level, this large-scale truss type hoisting crane comprises various arm derrick cranes and large-sized gantry crane etc.
Large electric power plant station construction at present has boiler steelframe height mostly, and the workyard is narrow and small, and characteristics such as coastal, strong wind, environment be abominable are arranged.Imported large-scale crawler crane not only expense is high but also can not satisfy use fully, imported large-scale tower machine price is high and do not have a matured product, homemade large-scale cocked formula tower machine is difficult to satisfy operating needs because of height, narrow and small can't the dismounting of range parameter deficiency and workyard, therefore the large-scale truss type tower crane especially jack up tower machine because of install, the dismounting occupied ground is little, amplitude and characteristics such as hoisting capacity is big, lifting altitude is big, already be used widely in electric Construction Bank.
At construction trade, the industrial civil building demand is increasing, and skyscraper is built more and more, and the lifting performance to elevator machinery requires also more and more higher accordingly.The especially flat arm jack up of large-scale truss type tower crane tower machine because of install, the dismounting occupied ground is little, amplitude and characteristics such as hoisting capacity is big, lifting altitude is big, be used widely at construction trade.
In elevator machinery, especially in the truss-like tower crane, body of the tower (perhaps post) is the important truss structure that concerns complete machine height and state, is the skeleton of whole hoisting crane, and the weight that support is lifted by crane bears and the various load of transfer function on hoisting crane.Along with the needs of development, the goliath required amount is increasing, and it is also more and more higher that lifting performance requires, and this just means that truss structure body of the tower (perhaps post) structure of bearing with transmitted load does bigger and bigger.If this truss structure adopts the general frame structure of prior art, obviously to seriously transfinite, its existence from great, dismounting is difficult, the part problem is transfinited in transportation will be more outstanding; Even if the employing Materials with High Strength, truss structure is made general frame, and the consideration transportation is transfinited, and structure also can not infinitely enlarge, so must carry out the improvement design of essence to its structure.In the prior art, because the transportation problem that transfinites also has truss structure is decomposed, the contriver of present patent application once adhered to FZQ2000 from the body of the tower that rises the tower machine resolves into " 4 * L " type (this technology patent applied for first, the patent No. is ZL200520031010.X), so-called " L " type is similar to the triangular prism structure, though this split has solved the problem that transfinites of transporting, transportation gets up still to exist some inconvenient parts.In the prior art, also have truss structure is divided into monolithic, adopt the high strength bolt group to connect,, install to the building site and bring the deuce to pay, and installation error is very big though decompose transportation so conveniently.
In transfer crane, supporting leg and beam also are main bearing and the transmitted load truss structure, along with lifting performance requires more and more highlyer, this bearing also will be done bigger and bigger with the truss structure of transmitted load, and transportation is transfinited and the building site installation question becomes the matter of utmost importance that producer and user must solve.
Generally speaking, need along with building, the lifting performance of large-scale truss type hoisting crane must improve, and this just means that playing the truss structure that bears with transmitted load does bigger and bigger, and the transportation of its existence is accordingly transfinited and installation question just must solve.
Summary of the invention
The purpose of this utility model provides a kind of structure more reasonable at existing weak point in the above-mentioned prior art just, and bears with a kind of large-scale truss type hoisting crane split-type simple shear of transmitted load in heavy and light, easy accessibility, transportation is easy, hoisting capacity is big large-scale truss type hoisting crane and be connected truss structure.
The purpose of this utility model can realize by following technique measures:
It is to be combined by a plurality of unit joint that large-scale truss type hoisting crane split-type simple shear of the present utility model connects truss structure, and wherein, each unit joint all is to be made of four chip separate unit truss A and four chip separate unit truss B; Every separate unit truss A comprises a main chord, be provided with a following diagonal web member that extends to side-lower in the upper end of main chord homonymy, the bottom is provided with a last diagonal web member that extends to the side top, the middle part is provided with a horizontal web member, the described end of going up diagonal web member, following diagonal web member and by-level web member is intersected in connecting panel and in its Joint, main chord and upper and lower diagonal web member and by-level web member constitute a planar delta jointly; Be the main chord opposite side of 90 ° of angles at planar delta therewith, be provided with three connecting panels in upper, middle and lower, the position of these three connecting panels is respectively with the last diagonal web member of opposite side, diagonal web member and by-level web member are corresponding down; Every separate unit truss B comprises that being positioned at conplane a, end is intersected in the connecting panel homonymy and goes up diagonal web member, a horizontal web member and a following diagonal web member in of its Joint, described go up diagonal web member and following diagonal web member all with horizontal web member be benchmark respectively to side top and side-lower extension, be provided with respectively the attaching parts that combines with three connecting panels in upper, middle and lower on the main chord at the elongated end of last diagonal web member, horizontal web member and following diagonal web member.
The last diagonal web member of separate unit truss B in the utility model, the upper, middle and lower connecting panel that is provided with on diagonal web member and the by-level web member main chord by single bearing pin and separate unit truss A down are connected, connect a horizontal web member by bearing pin between the connecting panel of two separate unit truss A, B, form four separate unit truss C; Per two connecting panels that are provided with relatively between four separate unit truss C combine by single bearing pin ways of connecting, and be connected with two horizontal web members up and down by single bearing pin between per two adjacent main chords, between per two relative main chords, be connected with two diagonal web members that diagonal line is arranged up and down by single bearing pin; The bearing pin that is connected between described horizontal web member and diagonal web member and the main chord adopts the simple shear bearing pin.
Because each unit joint that the utility model will constitute truss structure all decomposition is designed to A, the separate unit truss of two groups of each four chips of B, A, B two-piece type separate unit truss can be connected to form a separate unit truss C by single bearing pin, per two connecting panels that are provided with relatively of separate unit truss C connect by single bearing pin, the horizontal web member of separate unit truss C is cut with diagonal web member employing simple shear formula and is drawn the composite force bearing pin to be connected, this just tears open to body of the tower, dress brings great convenience, it is torn open, dress work is more convenient quick, back general frame size is installed accurately be need not to adjust, bearing pin is reusable, reduces use cost.
In addition, because the unit of truss structure joint is resolved into schistose texture, complete machine does not have the railway transportation part that transfinites, and this just makes that transportation is more convenient, has not only solved the Large Towers machine transportation problem that transfinites, and its installation, traffic cost are reduced significantly.
Compare with the luffing jib tower machine of prior art by the luffing jib tower machine that simple shear connection truss of the present utility model combines, in equal jib length, have under the auxiliary hook situation, the load-carrying ability maximum, when 55.2m auxiliary hook is arranged the jib load-carrying ability can reach 1000kN * 24m (=24000kNm), maximum functional amplitude 60m, but the coverage criteria 1000MW boiler scope of operation, maximum jib hinge height 130m.Its body of the tower by a base section, 3 adhere to joint, 15 standard knots are formed because this tower machine has adopted the utility model, make install, dismounting is all very convenient, transport more convenient installations after the general frame size accurately need not adjustment.
In addition, the utility model also has can take low frame installation, connect high mode from jacking carries out on-site installation, and the fabricating yard is required the characteristics little, that the accessory equipment demand is low.
Description of drawings
Fig. 1 is a block diagram of the present utility model.
Fig. 2 is the block diagram of separate unit truss A among Fig. 1.
Fig. 3 is the block diagram of separate unit truss B among Fig. 1.
Fig. 4 is separate unit truss A, B are connected to form unit C by bearing pin a block diagram.
Sequence number among the figure: diagonal web member on 1,2 main chords, 3 horizontal web members, 4 times diagonal web members, diagonal web member on 5,6 horizontal web members, 7,7-1 connecting panel, 8 horizontal web members, 9 times diagonal web members, 10, the single bearing pin of 10-1,10-2,11, the horizontal web member of 11-1,12, the 12-1 diagonal web member, 13 single bearing pins, 14,14-1 connecting panel, 15,15-1,15-2 connecting panel
The specific embodiment
The utility model is further described below with reference to embodiment (accompanying drawing), but does not limit the utility model.
It is to be combined by a plurality of unit joint that large-scale truss type hoisting crane split-type simple shear of the present utility model connects truss structure, (as shown in Figure 1, 2, 3) specifically, its each unit joint all is to be made of eight chip separate unit truss, according to whether being with main chord to be divided into two groups of A, B, the utility model will be called separate unit truss A with four truss of main chord, and four truss with main chord are not called separate unit truss B.
As shown in Figure 2, every separate unit truss A comprises a main chord 2, be provided with a connecting panel 14 and a following diagonal web member 9 that extends to side-lower that is used to connect horizontal web member 11 in the upper end of main chord 2 homonymies, the bottom is provided with the connecting panel 14-1 and the last diagonal web member 5 that extends to the side top that are used to connect horizontal web member 11-1, the middle part is provided with a horizontal web member 8, the described diagonal web member of going up, the end of following diagonal web member and by-level web member is intersected in connecting panel 7 and in its Joint, main chord and last, planar delta of the common formation of following diagonal web member and by-level web member; Be the main chord opposite side of 90 ° of angles at planar delta therewith, be provided with three connecting panels 15 in upper, middle and lower, 15-1,15-2, the position of these three connecting panels is respectively with the last diagonal web member of opposite side, diagonal web member and by-level web member are corresponding down.
Every separate unit truss B comprises that being positioned at conplane a, end is intersected in connecting panel 7-1 homonymy and goes up diagonal web member 1, a horizontal web member 3 and a following diagonal web member 4 in of its Joint as shown in Figure 3, described go up diagonal web member 1 and following diagonal web member 4 all with horizontal web member 3 be benchmark respectively above side and the side-lower extension, be provided with respectively the attaching parts that combines with upper, middle and lower three connecting panels 15,15-1 and 15-2 on the main chord 2 at the elongated end of last diagonal web member 1, horizontal web member 3 and following diagonal web member 4.
As shown in Figure 4, the last diagonal web member 1 of described separate unit truss B, down diagonal web member 4 and by-level web member 3 are connected by upper, middle and lower connecting panel 15,15-1, the 15-2 of setting on the main chord 2 of single bearing pin 10,10-1,10-2 and separate unit truss A; Connect a horizontal web member 6 by bearing pin between the connecting panel 7 of per two separate unit truss A, B and the 7-1, form four separate unit truss C.
As shown in Figure 1, per two connecting panels that are provided with relatively between four separate unit truss C combine by single bearing pin 13 ways of connecting, and are connected with up and down two horizontal web members 11,11-1 by single bearing pin between per two adjacent main chords; Between per two relative main chords, be connected with two diagonal web member 12,12-1 that diagonal line is arranged up and down by single bearing pin; Described horizontal web member 11,11-1 and diagonal web member 12,12-1 adopt the simple shear bearing pin with the bearing pin that is connected between the main chord.
Claims (3)
1, a kind of large-scale truss type hoisting crane split-type simple shear connects truss structure, and described truss structure is to be combined by a plurality of unit joint, it is characterized in that: each unit joint all is to be made of four chip separate unit truss A and four chip separate unit truss B; Every separate unit truss A comprises a main chord (2), be provided with a following diagonal web member (9) that extends to side-lower in the upper end of main chord (2) homonymy, the bottom is provided with a last diagonal web member (5) that extends to the side top, the middle part is provided with a horizontal web member (8), describedly goes up diagonal web member, the end of diagonal web member and by-level web member is intersected in connecting panel (7) and in its Joint down; Main chord and upper and lower diagonal web member and by-level web member be common to constitute a planar delta, is the main chord opposite side of 90 ° of angles at planar delta therewith, is provided with three connecting panels in upper, middle and lower (15), (15-1), (15-2); Every separate unit truss B comprises that being positioned at conplane a, end is intersected in connecting panel (7-1) homonymy and goes up diagonal web member (1), a horizontal web member (3) and a following diagonal web member (4) in of its Joint, described go up diagonal web member (1) and following diagonal web member (4) all with horizontal web member (3) be benchmark respectively above side and the side-lower extension, the elongated end of last diagonal web member (1), horizontal web member (3) and following diagonal web member (4) be provided with respectively with main chord (2) on three connecting panels in upper, middle and lower (15), (15-1) reach the attaching parts that (15-2) combines.
2, large-scale truss type hoisting crane split-type simple shear according to claim 1 connects truss structure, it is characterized in that: the last diagonal web member (1) of separate unit truss B, the upper, middle and lower connecting panel (15), (15-1), (15-2) that are provided with on diagonal web member (4) and by-level web member (3) main chord by single bearing pin (10), (10-1), (10-2) and separate unit truss A down are connected, the connecting panel (7) of per two separate unit truss A, B and (7-1) between connect a horizontal web member (6) by bearing pin, form four separate unit truss C; Per two connecting panels that are provided with relatively between four separate unit truss C combine by single bearing pin (13) ways of connecting, and be connected with two horizontal web members (11), (11-1) up and down by single bearing pin between per two adjacent main chords, between per two relative main chords, be connected with two diagonal web member (12), (12-1) that diagonal line is arranged up and down by single bearing pin; Adopt bearing shell formula section header to link together up and down between Unit two joint.
3, large-scale truss type hoisting crane split-type simple shear according to claim 2 connects truss structure, it is characterized in that: be connected bearing pin employing simple shear bearing pin between described horizontal web member (11), (11-1) and diagonal web member (12), (12-1) and the main chord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200922387U CN201099590Y (en) | 2007-10-18 | 2007-10-18 | Large-sized trussed-beam type crane detaching type single shear connection girder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200922387U CN201099590Y (en) | 2007-10-18 | 2007-10-18 | Large-sized trussed-beam type crane detaching type single shear connection girder structure |
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| Publication Number | Publication Date |
|---|---|
| CN201099590Y true CN201099590Y (en) | 2008-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200922387U Expired - Fee Related CN201099590Y (en) | 2007-10-18 | 2007-10-18 | Large-sized trussed-beam type crane detaching type single shear connection girder structure |
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| Country | Link |
|---|---|
| CN (1) | CN201099590Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408070A (en) * | 2011-08-17 | 2012-04-11 | 中联重科股份有限公司 | Standard knot for crane and tower crane |
| CN102530744A (en) * | 2012-02-13 | 2012-07-04 | 中联重科股份有限公司 | Connecting beam assembly and truss arm system |
| CN104555759A (en) * | 2014-12-28 | 2015-04-29 | 重庆市喜植机械设备有限公司 | Building tower crane frame |
| CN105197817A (en) * | 2014-06-16 | 2015-12-30 | 利勃海尔工厂埃英根有限公司 | Lattice piece for a lattice boom, lattice boom and crane |
| CN106365053A (en) * | 2016-11-09 | 2017-02-01 | 徐州建机工程机械有限公司 | Length-adjustable pull rod connecting structure |
| CN108821139A (en) * | 2018-08-31 | 2018-11-16 | 中昇建机(南京)重工有限公司 | The type of attachment of column crane mast section |
-
2007
- 2007-10-18 CN CNU2007200922387U patent/CN201099590Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408070A (en) * | 2011-08-17 | 2012-04-11 | 中联重科股份有限公司 | Standard knot for crane and tower crane |
| CN102530744A (en) * | 2012-02-13 | 2012-07-04 | 中联重科股份有限公司 | Connecting beam assembly and truss arm system |
| CN102530744B (en) * | 2012-02-13 | 2014-01-08 | 中联重科股份有限公司 | Connecting beam assembly and truss arm system |
| CN105197817A (en) * | 2014-06-16 | 2015-12-30 | 利勃海尔工厂埃英根有限公司 | Lattice piece for a lattice boom, lattice boom and crane |
| CN104555759A (en) * | 2014-12-28 | 2015-04-29 | 重庆市喜植机械设备有限公司 | Building tower crane frame |
| 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 |
| CN106365053A (en) * | 2016-11-09 | 2017-02-01 | 徐州建机工程机械有限公司 | Length-adjustable pull rod connecting structure |
| CN108821139A (en) * | 2018-08-31 | 2018-11-16 | 中昇建机(南京)重工有限公司 | The type of attachment of column crane mast section |
| CN108821139B (en) * | 2018-08-31 | 2024-05-07 | 中昇建机(南京)重工有限公司 | Connection form of standard section of tower crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080813 Termination date: 20121018 |