CN107010544A - The bearing device of bridge crane door frame entablature lifting - Google Patents
The bearing device of bridge crane door frame entablature lifting Download PDFInfo
- Publication number
- CN107010544A CN107010544A CN201710442253.8A CN201710442253A CN107010544A CN 107010544 A CN107010544 A CN 107010544A CN 201710442253 A CN201710442253 A CN 201710442253A CN 107010544 A CN107010544 A CN 107010544A
- Authority
- CN
- China
- Prior art keywords
- entablature
- truss girder
- lifting
- door frame
- bridge crane
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/08—Constructional features of runway rails or rail mountings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
It is to overcome existing bridge crane the entablature of its door frame is shortened because of structural change, existing two joist is not held up and the shortcoming for pulling on crossbeam offer is provided the invention discloses a kind of bearing device of bridge crane door frame entablature lifting.On the bottom surface at entablature two ends, the relative truss girder of the identical inner termination of two root architectures is placed with along entablature length direction, respective sleeve of the external end head bottom provided with set wire line thimble of truss girder, steel wire rope is corresponding was provided with grooving with lifting on the side elevation of the external end head；The relative the inner of truss girder above, is connected to entablature bottom surface.Because truss girder is oppositely arranged along entablature length, its external end head can be such that two pairs of steel wire ropes are lifted beyond the length of entablature, its inner termination also can support entablature, therefore using after the device, the constant entablature for also adapting to shorten in lift cylinder position at top, so as to solve the problems, such as the drawing of hanging of entablature, that has also widened fixed lifting oil cylinder hangs drawing scope.
Description
Technical field
The invention belongs to lifting device, specifically a kind of bearing device of hoisting crane door frame entablature.
Background technology
The complete machine gross weight of bridge crane is about more than 1600 tons, and its gauge is big, and forward and backward out reach is long, whole height
Height, when making the integral installation of crane, work high above the ground has very big technical difficulty and construction risk, is typically taken during installation
It is to assemble the component of each several part on ground, then carries out lifting assembly, so can both ensure integrally-built precision, and energy
Ensure construction safety.
The door frame of bridge crane both sides is as shown in figure 1, be that the two ends of entablature 1 and sill 3 are connected into two respectively
The upper and lower side of root post 2 is combined.During connection, the left end 1.1 and right end 1.2 of entablature 1 distinguish corresponding two
The interior facade of the upper end of column 2 is relatively fixed.
At present, when lifting entablature 1 as shown in Figure 2 and Figure 3, the bottom of the left and right ends of entablature 1 is vertically ridden over two
On the joist 4 of root lifting, 5.1 sets of the becket bridle of four lower ends of steel wire rope 5 is hung on the setting sleeve 4.2 of the termination bottom surface of joist 4,
Then respectively by respective side erect cross grooving 4.3 guide to joist more than 4, until with each self-corresponding lift cylinder in top
Connection.Lift cylinder lifts steel wire rope 5 upwards, and the entablature 1 on joist 4 is taken to after installation site and is fixed on column 2.By
Fixed in the position of four lift cylinders, so the relative position after four steel wire ropes 5 are sagging is also fixed.
The progress of technology makes the structure of equipment constantly update, and at present, the structure of the bridge crane is changed
Become, the door frame after renewal narrows, the length of entablature 1 lifted by crane also just shortens, and it is relative due to four steel wire ropes 5
Position there is not change, so when lifting entablature 1, if slinging entablature to existing mode and existing two joists 4 support
1, the two ends of entablature 1 can not just take joist 4 completely above, and generation entablature 1 is easy to when so hanging drawing from joist 4
The danger come off.
If changing the position of lift cylinder because entablature 1 length shortens, not only improvement cost is big, long in time limit, and
If structure from now on changes just and can not used again.
How existing four lift cylinders position drive four positions of steel wire rope 5 it is constant in the case of, by length
The entablature 1 shortened, which is hung, moves installation site to, is the problem of needing to solve at present.
The content of the invention
The technical problems to be solved by the invention are to overcome existing bridge crane to make the upper horizontal stroke of its door frame because of structural change
Beam shortens, it is impossible to is hung using existing two joists and pulls on the shortcoming of crossbeam and hung there is provided a kind of bridge crane door frame entablature
The bearing device of dress.
In order to solve the above mentioned problem of prior art presence, the present invention is realized using following technical proposals：In level
, there are two root architecture identical truss girders the bottom surface of the entablature beam body two ends of setting along entablature length direction is staggered relatively,
Below the respective external end head of truss girder, the setting set of the fixation deadeye concentric with existing lifting steel wire rope is respectively equipped with
Cylinder, on the side elevation of two truss girder external end heads, is vertically provided with and crosses grooving by sleeve centerline；Two relative truss girders are inner
Above head, it is respectively and movably connected on each self-corresponding entablature bottom surface.
The present invention also has following technical characteristic：
Connection above the truss girder inner termination with entablature bottom surface, is on two truss girder opposing inner ends, to be respectively equipped with
Can undersetting corresponding with the upper bracket on the entablature bottom surface, bearing pin be rotationally through above and below two bearings corresponding otic placode
Connected in hole；
Between external end head and entablature, it is respectively equipped with after the upper bracket is connected with undersetting, makes at two of two truss girders
Entablature is in the cushion block of horizontality；
The setting of surface sleeve under the external end head of two opposing brackets beam beam body, is on two external end head, to be respectively equipped with
Extend laterally and with the connector of " C " shape opening along the lower planes of truss girder, the sleeve is separately positioned on the connection of " C " shape
On the bottom surface of two pawls of body；
The setting of undersetting above the two truss girders inner termination, is in two inner termination, to be respectively equipped with along truss girder
Lower planes to inner side extend and with the connector of " C " shape opening, two undersettings are separately positioned on the two of " C " shape connector
Above individual pawl；
The truss girder is hollow beam, and empty position is provided with multiple stiffener plates wherein.
Advantages and positive effects of the present invention are, because above-mentioned two relative truss girders are set along entablature length direction
Put, two corresponding external end heads can make four lifting steel wire ropes beyond the length of entablature beam body, and two is relative interior
Termination is flexibly connected with the bottom corresponding points of entablature, it is constant four steel wire rope positions in the case of, it is horizontal by existing joist
Drawing is hung below entablature two ends to support, two truss girders is changed to and is set along the length direction below entablature two ends, upper horizontal stroke
The two ends of beam are by the two ends support of every truss girder, and although entablature is shortened, but the sleeve of becket bridle is covered below two truss girders
Position there is not change, thus the steel wire rope connected using existing four lift cylinders still can lifting truss girder drive entablature just
Position, solve can not be sling using existing bearing device shorten after entablature the problem of, also widened significantly four lifting
In the case that oil cylinder position is constant, the use scope of this bearing device lifting different lengths crossbeam is used.
Brief description of the drawings
When Fig. 1 is assembling bridge crane door frame, the schematic diagram of existing entablature device is installed；
Fig. 2 amplifies schematic front view to lift the structure of existing entablature device in Fig. 1；
Fig. 3 is Fig. 2 top views；
Fig. 4 is the schematic front view of support entablature device of the present invention；
Fig. 5 is Fig. 4 top view；
Fig. 6 is the schematic front view of truss girder in Fig. 4；
Fig. 7 is Fig. 6 top view.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
In Fig. 1, the door frame of bridge crane both sides by entablature 1 and sill 3 as shown in figure 1, be connected to two respectively
Combined above and below column 2, i.e. the left end 1.1 and right end 1.2 of entablature 1 are corresponding with the upper end of two heel post 2 respectively
Interior facade docking is fixed.During existing support lifting entablature 1, the entablature 1 is respectively perpendicular be mounted in as shown in Figure 2 and Figure 3
Above two parallel two ends of joist 4, four steel wire ropes 5 being connected with the lift cylinder on top, 5.1 sets of the becket bridle of its lower end
On the setting sleeve 4.2 for being hung in the bottom surface of joist 4（Referring to Fig. 2, Fig. 3）, steel wire rope 5 respectively pass through the two ends of joist 4 erect
Grooving 4.3 of crossing guide to more than the two ends of joist 4, and be connected with each self-corresponding lift cylinder in top, four lift cylinders generals
Four suspension centres of two joists 4 are synchronously above carried, and behind position of the entablature 1 to its installation, are fixedly connected i.e. with the column 2 at two ends
Can.
In Fig. 4, Fig. 5, because renovating for equipment makes that door frame narrows i.e. entablature 1 and 3 liang of sill shortens, upward
During lifting lifting entablature 1, because the left and right ends of entablature 1 are inside contracted, its two ends can not be all ridden on existing joist 4,
So hang the danger drawn and be easy to fall off.And mode of the present invention, it is in the horizontally disposed beam body two of entablature 1
The bottom surface at end, two mutually isostructural truss girders 6 are relatively set with along the length direction of entablature 1, corresponding each in two truss girders 6
From below external end head, with the existing lifting concentric setting sleeve 6.2 for being respectively equipped with the fixed lower end becket bridle 5.1 of steel wire rope 5 of steel wire rope 5
（Referring to Fig. 6, Fig. 7）；On the side elevation of the external end head of two truss girder 6, vertically it is provided with and crosses grooving 6.3 by the center line of sleeve 6.2,
The steel wire rope 5, which passed through grooving 6.3, to be guided to the top of truss girder 6 and is connected on lift cylinder.The relative inner termination of two truss girders 6
Above, it is respectively and movably connected on each bottom surface of self-corresponding entablature 1.
Two truss girders 6 and the connection of the bottom surface of entablature 1, are above the opposing inner end head of two truss girder 6, to set respectively
Have can undersetting 6.1 corresponding with the existing upper bracket 1.3 of the bottom surface of entablature 1, bearing pin 7 is rotationally through two bearings pair
Connected in the lug plate holes 6.11 answered.
After the upper bracket 1.3 and undersetting 6.1 are connected, plane and the lower of entablature 1 are put down on the external end head of truss girder 6
Neutral gear has been occurred as soon as between face, has wanted to make entablature 1 be in horizontality, it is necessary to the external end head of truss girder 6 and entablature 1 it
Between increase cushion block 8.
So, during the outer end for the relative truss girder 6 of the lifting of steel wire rope 5 two being connected on lift cylinder, due to truss girder 6
Inner termination is connected on the bottom surface of entablature 1, the common support in two ends of truss girder 6 is played entablature 1, safe and reliable.
In order to when slinging entablature 1 with truss girder 6, because the external end head of truss girder 6 is long so that the pars intermedia of two ends
Position is limited and can not passed through by the inner side of two column 2 of door frame（Referring to Fig. 4, Fig. 5）, therefore by the sleeve of the bottom surface of truss girder 6
6.2, it is arranged on below " C " the shape connector prolonged on the outside of the lower planes of the suitable truss girder 6 of the external end head of 6 beam body of truss girder two, " C "
The outward opening of shape connector, the neutral gear of opening just avoids column 2, and sleeve 6.2 is arranged on two pawls 6.4 of " C " shape
On bottom surface（Referring to Fig. 7）, the up and down of such truss girder 6 be just no longer obstructed.
In order to mitigate the setting of weight and the undersetting 6.1 saved above raw material, the inner termination of two truss girder 6, it is
In the inner termination of two truss girder 6, it is respectively equipped with " C " shape extended along the lower planes of truss girder 6 to relative inner and connects
Junctor, the opening of two " C " shapes is relative, and two undersettings 6.1 are separately positioned on above two " C " shape pawls 6.6.
In order to reduce the weight of truss girder 6 and can guarantee that its intensity used, the truss girder 6 is set to hollow beam,
Its hollow part is provided with multiple stiffener plates 6.5.
The outer end of above-mentioned two truss girders 6 can distinguish two outer ends of support entablature 1, the opposing inner end of truss girder 6 because with
The ground connection of entablature 1, also functions to the effect of support.Hang when pulling on crossbeam 1, the becket bridle 5.1 of the lower end of steel wire rope 5 is enclosed on bracket
The outside of sleeve 6.2 below beam 6, steel wire rope 5 guides to the corresponding lifting oil cylinder in top from the grooving 6.3 of crossing of the two ends of entablature 1
On, two truss girders 6 are driven the level of synchronization of entablature 1 to hang to installation position, so, existing by lifting oil cylinder by steel wire rope 5
In the case that some lifting oil cylinder positions are constant, using above-mentioned truss girder 6 hang pulling-down it is short after entablature 1 just have no problem.
The structure and lifting mode of change support beam, adapting to be hung drawing part dimension than changing the position of lifting oil cylinder will
It is much easier, and also accommodate different length part beams hang drawing require so that widened significantly it is existing lifting oil cylinder hang drawing
The use scope of beam.
Above-described embodiment is only the indicative explaination carried out to the present invention, is not unique technical scheme.It is every with this
Modification or equivalent substitution that the technical scheme of invention is carried out by purport, within protection scope of the present invention.
Claims (6)
1. a kind of bearing device of bridge crane door frame entablature lifting, it is characterised in that：In horizontally disposed entablature beam
, there are a two root architecture identical truss girders bottom surface of body two ends along entablature length direction is staggered relatively, respective in truss girder
Below external end head, the setting sleeve of the fixation deadeye concentric with existing lifting steel wire rope is respectively equipped with, in two truss girders
On the side elevation of external end head, vertically it is provided with and crosses grooving by sleeve centerline；Above two relative truss girder inner terminations, respectively
It is movably connected on each self-corresponding entablature bottom surface.
2. the bearing device of bridge crane door frame entablature lifting as claimed in claim 1, it is characterised in that：The bracket
It is that on two truss girder opposing inner ends, being respectively equipped with can be with the upper horizontal stroke with the connection of entablature bottom surface above beam inner termination
The corresponding undersetting of upper bracket on soffit, bearing pin be rotationally through above and below two bearings corresponding lug plate holes in connect.
3. the bearing device of bridge crane door frame entablature lifting as claimed in claim 2, it is characterised in that：In two brackets
Two of beam are respectively equipped with after the upper bracket is connected with undersetting between external end head and entablature, entablature is in water
The cushion block of level state.
4. the bearing device of bridge crane door frame entablature lifting as claimed in claim 1, it is characterised in that：Described two
The setting of surface sleeve under the external end head of opposing brackets beam beam body, is on two external end head, to be respectively equipped with along the upper of truss girder
Lower plane extends and with the connector of " C " shape opening laterally, and the sleeve is separately positioned on two pawls of " C " shape connector
On bottom surface.
5. the bearing device of bridge crane door frame entablature lifting as claimed in claim 4, it is characterised in that：Two support
The setting of undersetting above inner termination of setting a roof beam in place, be in two inner termination, be respectively equipped with lower planes along truss girder to
Inner side extends and with the connector of " C " shape opening, and two undersettings are separately positioned on above two pawls of " C " shape connector.
6. the bearing device of bridge crane door frame entablature lifting as claimed in claim 1 or 2, it is characterised in that：It is described
Truss girder is hollow beam, and empty position is provided with multiple stiffener plates wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710442253.8A CN107010544B (en) | 2017-06-13 | 2017-06-13 | The bearing device of bridge crane door frame upper beam lifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710442253.8A CN107010544B (en) | 2017-06-13 | 2017-06-13 | The bearing device of bridge crane door frame upper beam lifting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107010544A true CN107010544A (en) | 2017-08-04 |
| CN107010544B CN107010544B (en) | 2018-10-30 |
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ID=59453142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710442253.8A Active CN107010544B (en) | 2017-06-13 | 2017-06-13 | The bearing device of bridge crane door frame upper beam lifting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107010544B (en) |
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|---|---|---|---|---|
| JP2002255474A (en) * | 2001-03-02 | 2002-09-11 | Nippon Steel Corp | Method of conveying article and its device by crane in building |
| CN101591890A (en) * | 2008-06-05 | 2009-12-02 | 中铁大桥局股份有限公司 | Hanging device of large-scale over-long box girder |
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| CN103224196A (en) * | 2013-03-29 | 2013-07-31 | 国家电网公司 | Lifting appliance for installing rolling mill housing and system thereof |
| CN203667797U (en) * | 2014-01-16 | 2014-06-25 | 中建铁路建设有限公司 | Simple lifting appliance tooling for SK-2 type double-block sleepers |
| CN203946814U (en) * | 2014-06-05 | 2014-11-19 | 江苏锐凯机械有限公司 | A kind of building tower crane tower machine jacking anti-roll off device |
| CN104176624A (en) * | 2013-05-22 | 2014-12-03 | 亿和塑胶电子制品(深圳)有限公司 | Hoisting gripper |
| CN204454251U (en) * | 2015-01-30 | 2015-07-08 | 中交二公局第二工程有限公司 | A kind of multipurpose hanger being applicable to the stiffening girder lifting of suspension bridge steel purlin |
| WO2016134444A1 (en) * | 2015-02-27 | 2016-09-01 | Ecl Services Inc. | Shoe derailment device for bridge crane and method of use |
-
2017
- 2017-06-13 CN CN201710442253.8A patent/CN107010544B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002255474A (en) * | 2001-03-02 | 2002-09-11 | Nippon Steel Corp | Method of conveying article and its device by crane in building |
| CN101591890A (en) * | 2008-06-05 | 2009-12-02 | 中铁大桥局股份有限公司 | Hanging device of large-scale over-long box girder |
| CN201962679U (en) * | 2010-12-07 | 2011-09-07 | 中交四航局第一工程有限公司 | Lifting bracket used for vertically and aswirl lifting steel reinforcement cage and lifting system |
| CN103224196A (en) * | 2013-03-29 | 2013-07-31 | 国家电网公司 | Lifting appliance for installing rolling mill housing and system thereof |
| CN104176624A (en) * | 2013-05-22 | 2014-12-03 | 亿和塑胶电子制品(深圳)有限公司 | Hoisting gripper |
| CN203667797U (en) * | 2014-01-16 | 2014-06-25 | 中建铁路建设有限公司 | Simple lifting appliance tooling for SK-2 type double-block sleepers |
| CN203946814U (en) * | 2014-06-05 | 2014-11-19 | 江苏锐凯机械有限公司 | A kind of building tower crane tower machine jacking anti-roll off device |
| CN204454251U (en) * | 2015-01-30 | 2015-07-08 | 中交二公局第二工程有限公司 | A kind of multipurpose hanger being applicable to the stiffening girder lifting of suspension bridge steel purlin |
| WO2016134444A1 (en) * | 2015-02-27 | 2016-09-01 | Ecl Services Inc. | Shoe derailment device for bridge crane and method of use |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107010544B (en) | 2018-10-30 |
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Inventor after: Yuan Baowen Inventor after: Du Shufeng Inventor after: Xu Bin Inventor after: Han Xiaolong Inventor before: Yuan Baowen Inventor before: Du Shufeng Inventor before: Xu Bin Inventor before: Han Xiaolong |
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Effective date of registration: 20220129 Address after: No.12 Jingba Road, Huangdao District, Qingdao City, Shandong Province Patentee after: QINGDAO PORT INTERNATIONAL Co.,Ltd. Patentee after: Qingdao Port Equipment Manufacturing Co., Ltd Address before: The city of north port green road 266011 Shandong city of Qingdao province No. 6 Patentee before: QINGDAO PORT INTERNATIONAL Co.,Ltd. Patentee before: Qingdao Port International Co., Ltd. port machinery branch |
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