CN105002828A - Different-level transfer frame - Google Patents
Different-level transfer frame Download PDFInfo
- Publication number
- CN105002828A CN105002828A CN201510433106.5A CN201510433106A CN105002828A CN 105002828 A CN105002828 A CN 105002828A CN 201510433106 A CN201510433106 A CN 201510433106A CN 105002828 A CN105002828 A CN 105002828A
- Authority
- CN
- China
- Prior art keywords
- assembly pulley
- draw
- platform
- wire rope
- lifting platform
- 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
Links
Abstract
The invention discloses a different-level transfer frame, and belongs to the technical field of lifting. The different-level transfer frame is mainly used for transferring heavy tank cars and materials on different levels. The different-level transfer frame comprises a frame and combined lifting beams. The combined lifting beams are fixedly and symmetrically arranged at the top end of the frame. A lifting platform is arranged below the combined lifting beams. A plurality of corresponding pulley sets are fixed to the combined lifting beams and the lifting platform. A steel wire rope is wound on the pulley sets, and the two ends of the steel wire rope are connected with power devices respectively after being wound out. After the steel wire rope penetrates the two pulley sets, the tail ends are wound on a winch at the same time, and therefore the lifting platform is stable and steady in the ascending or descending process. Heavy equipment can be lifted more stably, and the situations of weighting, inclination and the like are avoided. Construction of a mounting site is greatly facilitated through bolt connection of a frame structure, fastness and convenience are achieved, and overall equipment installation is efficient.
Description
Technical field
The present invention relates to lifting technique field, specifically a kind of different level conversion frame being mainly used in heavy tank car and material and changing at varying level.
Background technology
Different level conversion frame is that improve engineering construction efficiency, in China, construction industry application is more and more, especially applies particularly extensive in China's road and bridge engineering construction for heavy tank car or material provide the Special-purpose lifting machine of lifting between varying level or decline.Facts have proved that the committed step of road and bridge construction is the monobloc cast speed of bridge floor frange plate, and the construction of concrete tank is the important step ensureing that bridge floor frange plate is built, today road and bridge engineering day by day increase, to the design promoting facility, calculate and install and propose new problem urgently to be resolved hurrily, for ensureing the normal operation of road and bridge engineering construction, the joint of bridged ring up and down of tank car is even more important, Yao Cong road in the past, bridge junction is upper and lower, when zones of different is constructed, because agitator position is fixed, this just will considerably increase the stroke that tank car construction is walked, to the duration, progress makes a big impact.Thus more demands and requirement are proposed to lifting facility.
And China's major part lifting platform is that dependence two wire rope promote platform at present, this type of hoisting frame promotes portal frame both sides platform respectively by 2 wire rope at present.Weigh after light before tank car, therefore suffered by 2 wire rope, pulling force is unequal, causes 2 hoist engine loads unequal, causes the inclination in platform lifting process, once there is problem like this, just will stops promoting, just can continue after carrying out one-sided leveling to run.This phenomenon maybe can cause larger potential safety hazard when night, and when not seeing plateau levels and spending, tank car, with platform inclination, greatly reduces the safety factor of lifting.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of different level conversion frame.
The present invention is achieved through the following technical solutions: a kind of different level conversion frame, comprises framework; The combination draw-beam that described framework top fixed symmetrical is arranged, is provided with lifting platform below combination draw-beam; Described combination draw-beam and lifting platform are fixed with corresponding multiple assembly pulleys; Steel cable is full of by described multiple assembly pulley, and wire rope two ends lay out and are respectively connected with power set afterwards.
It is further: a described combination draw-beam is provided with assembly pulley I, assembly pulley I side, combination draw-beam are fixed with deflecting roller I; Assembly pulley II is installed below assembly pulley I, on lifting platform; Another combination draw-beam described is provided with and the assembly pulley III of assembly pulley I and deflecting roller I symmetry and deflecting roller II; Assembly pulley IV is installed below assembly pulley III, on lifting platform; Described wire rope one end walks around assembly pulley I, assembly pulley II successively, is then connected to power set by deflecting roller I; The wire rope other end walks around assembly pulley III, assembly pulley IV successively, is then connected to another power set by deflecting roller II.
Described assembly pulley I, II, III, IV respectively comprises four pulleys, and pulley adopts 25t roller-type bearing.
Described power set are the hoist engines for pulling wire rope.
Described framework comprises both sides column positioned opposite, and each heel post is connected with cross diagonal brace by girder, secondary beam, and the top of two heel posts is connected combination draw-beam; Described girder, secondary beam are alternately arranged from top to bottom; Described cross diagonal brace crosspoint is connected on secondary beam by junction plate I, and cross diagonal brace end is connected on column by junction plate II.
Described lifting platform comprises box bed; Described box bed periphery is fixed with platform column, is connected with platform draw-beam between platform column top; Described platform draw-beam is positioned opposite with combination draw-beam.
The present invention is wrapped on hoist engine through end after 2 groups of assembly pulleys by steel cable simultaneously, realizes stable, steadily in process of rising or falling of lifting platform.And the pulley bearings characteristic of assembly pulley inside is roller-type bearing, rated load is 25t, can improve improving stability and application life.
The invention has the beneficial effects as follows: make the lifting of jumbo more steady, and the situations such as nothing lays particular stress on, inclination, the bolt connection of frame construction greatly facilitates the quick construction facility of erecting bed, integral device is installed efficient.
Accompanying drawing explanation
Fig. 1 is different level conversion frame 3D schematic diagram;
Fig. 2 is elevation of the present invention;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is that wire rope pulley group is wound around schematic diagram;
Fig. 5 is that wire rope pulley group is wound around top view;
Fig. 6 is the scheme of installation of portal frame.
In figure: 1, column; 2, cross diagonal brace; 3, secondary beam; 4, girder; 5, draw-beam is combined; 6, junction plate I; 7, junction plate II; 81, assembly pulley I; 82, assembly pulley II; 83, assembly pulley III; 84, assembly pulley IV; 9, platform draw-beam; 10, box bed; 11, platform column; 12, deflecting roller I; 13, deflecting roller II; 14, wire rope.
Detailed description of the invention
Be below a specific embodiment of the present invention, existing the invention will be further described by reference to the accompanying drawings.
As shown in Figure 1 to Figure 3, framework adopts portal frame steel work, comprise both sides column positioned opposite 1, each heel post 1 is connected with cross diagonal brace 2 by girder 4, secondary beam 3, the top of two heel posts 1 is connected and combines draw-beam 5, and combination draw-beam 5 is connected by M16 (10.9 grades) high-strength bolt with column 1; Girder 4 and secondary beam 3 are laterally alternately fixed between column 1 from top to bottom, and cross diagonal brace 2 crosspoint is connected on secondary beam 3 by junction plate I 6, and cross diagonal brace 2 end is connected on column 1 by junction plate II 7; Girder 4, secondary beam 3 are connected by M16 (10.9 grades) high-strength bolt with junction plate I 6, junction plate II 7 with cross diagonal brace 2, and junction plate I 6, junction plate II 7 are connected with column 1 welding manner; Lifting platform comprises box bed 10, and box bed 10 periphery is bolted platform column 11, and by high-strength bolt connecting platform draw-beam 9 between platform column 11 top, platform draw-beam 9 is positioned opposite with combination draw-beam 5.
Again shown in composition graphs 4 and Fig. 5, a combination draw-beam 5 is provided with assembly pulley I 81, assembly pulley I 81 side, combination draw-beam 5 are fixed with deflecting roller I 12; Immediately below assembly pulley I 81, the platform draw-beam 9 of lifting platform is provided with assembly pulley II 82; Another combination draw-beam 5 is provided with and the assembly pulley III 83 of assembly pulley I 81 and deflecting roller I 12 symmetry and deflecting roller II 13; Immediately below assembly pulley III 83, the platform draw-beam 9 of lifting platform is provided with assembly pulley IV 84; One end of steel cable 14 walks around assembly pulley I 81, assembly pulley II 82 successively, is then connected to 50kN hoist engine by deflecting roller I 12; The other end of wire rope 14 walks around assembly pulley III 83, assembly pulley IV 84 successively, is then connected to another 50kN hoist engine by deflecting roller II 13.Assembly pulley I, II, III, IV respectively comprises four pulleys, and pulley adopts 25t roller-type bearing, by the assembly pulley of 4 pulley compositions, hoist load is promoted to 50t.
The winding of wire rope 14: wire rope introduces from side hoist engine the lower sheave be fixed on framework, the assembly pulley II 82 on the platform draw-beam 9 of lifting platform is introduced to two deflecting rollers I 12 on combination draw-beam 5, then wire rope is wound around up and down assembly pulley II 82, assembly pulley I 81, during last pulley by assembly pulley I 81, introduced by wire rope on the assembly pulley III 83 on another combination draw-beam 5, same procedure enters another side hoist engine after being wound around.
Beneficial effect is: in road and bridge construction, and bulk cement carrier needs Roadway Construction, and different level conversion frame according to construction demand, can build any suitable location in, greatly facilitates in road and bridge engineering and uses the conversion of the jumboes such as tank car and the different level of material; By steel cable winding hoisting, can avoid because platform lifting heavy is partially heavy, cause 2 hoist engines to receive load difference and produce (decline) speed of lifting difference, cause platform inclination.The method that steel cable is wound around, ensure that in different construction requirements, 2 hoist engines remain synchronous, greatly reduce, the risk of heavy lift.
The Specific construction of the present embodiment:
1, first smooth for assembling site preparation, treat that portal frame transports to scene, neat according to label sorting placement.Portal frame is the main body of composition framework, as shown in Figure 6.Survey crew releases portal frame and lifting platform full-page proof, carries out mark with lime.The lumps of wood on the both sides of portal frame joint location are padded respectively, and surveyed absolute altitude with level gauge, ensure the levelness of portal frame, lifting platform assembling.
2, first assemble lifting platform, with crane, 4 platform column are winched to the relevant position at box bed four angles, by bolt, platform column and box bed upper junction plate are fixed, after guaranteeing inter-pillar dimensions, 2 platform draw-beams are installed, and by bolt tight.According to lifting platform real size, the assembly pulley on mounting platform draw-beam.
After lifting platform has been assembled, first should respectively place 2 girder steel seats in the both sides of lifting platform correspondence position, fixed with concrete foundation, the position of girder steel seat is determined according to surveying and locating size, [the 14a U-steel frame hollow panel of two L=5m is placed in centre, after guaranteeing that lifting platform is placed on it, in same orientation after the position of lifting platform and integral installation.
3, behind lifting platform location, according to lifting platform size, assembling lifting is carried out to portal frame.With crane, 3 root posts are winched on assembly platform respectively according to setting-out size, reserved good gap, the connecting cross beam on portal frame and diagonal brace are placed with column upper junction plate one_to_one corresponding, assist with pointed cone and put on each bolts, and fastening.After stand has been assembled, should be welded with interim beam L=4.5m on every two root posts in bottom, [14a channel-section steel does fixing beam during stand lifting.The suspension centre of hoisting gantry frame is selected in the two ends at top, and lifting rope selects 6 × 19+FC-24-1670 wire rope, 2 16t shackles.After having assembled, 1 the 70t crane hanging portal frame top slowly lifts, and carries out examination and hangs, after no problem, more formally lift by crane, and makes not in contact with the ground bottom portal frame or other object; After 70t crane is vertically sling portal frame completely, portal frame is slowly winched to basic point and puts on right position by crane, after stand steadily, in place, look for line.Each 10m position in suspension column both sides, pound into 2m long ∠ 100*100*8 angle steel, embedded depth is greater than 1.2m, and hole is cut in upper end, makees earth anchor and uses.And hang the summit of steel wire rope head bolt in stand both sides with 3t Chain block, and tangle angle steel on the downside of Chain block, fastening firm, connect as shown in Figure 6.Use transit survey verticality of stand column, after having debugged, at suspension column, gusset welds with embedded board in place, and throat depth is not less than 10mm.
After two panels portal frame has lifted, constructor has climbed up portal frame top, to tie-beam, the installation of combination draw-beam of two panels portal frame.
4, after each component installaiton, survey crew checks each real size of portal frame, and makes a record.After confirming that overall dimensions meets designing requirement, organize Party A to carry out an acceptance inspection, after acceptance(check), then carry out the welding of framework.
5, after portal frame assembling, survey crew carries out frame center wire tag at portal frame top and centre position, to facilitate the accurate control of portal frame hoisting process.
6, the winding of wire rope: wire rope is 6*37-φ 24-1670 wire rope, 350m.Before reeve, first should respectively hang 1 10t Chain block on portal frame both sides combination draw-beam, lower end lanyard head holds platform draw-beam center, two ends Chain block is pull-up simultaneously, lifting platform is slowly promoted, when platform draw-beam combines draw-beam at a distance of 2m apart from portal frame, keeps Chain block steel chain here, be bolted at firm place, carry out string rope.Wire rope roller is penetrated φ 48 round steel, added good at horse leg, and ease out 30m fag end, portal frame top personnel put down 1 rope made of hemp, by the rope made of hemp by knock down take off wire rope is connected firm, first through the lower sheave bottom entry side portal frame, be pulled to the deflecting roller of top avris, after deflecting roller in the middle part of combination draw-beam.Now, on portal frame combination draw-beam, personnel should coordinate, by wire rope back and forth through after 2 assembly pulleys with personnel on platform draw-beam, pull to going out car side roof part pulley, contrary according to the order that entry side is wound around, first through 2 assembly pulleys, rear through deflecting roller and lower sheave.After completing, going out lower sheave direction, car side will have about 20m Yu Sheng, so as wire rope to twine to hoist engine after fag end fixing.
Claims (6)
1. a different level conversion frame, comprises framework; The combination draw-beam (5) that described framework top fixed symmetrical is arranged, combination draw-beam (5) below is provided with lifting platform; Described combination draw-beam (5) and lifting platform are fixed with corresponding multiple assembly pulleys; It is characterized in that: described multiple assembly pulley is full of steel cable (14), wire rope (14) two ends lay out and are respectively connected with power set afterwards.
2. different level conversion frame according to claim 1, is characterized in that: described combination draw-beam (5) is provided with assembly pulley I (81), assembly pulley I (81) side, combination draw-beam (5) are fixed with deflecting roller I (12); Assembly pulley I (81) below, lifting platform are provided with assembly pulley II (82); Another combination draw-beam (5) described is provided with and the assembly pulley III (83) of assembly pulley I (81) and deflecting roller I (12) symmetry and deflecting roller II (13); Assembly pulley III (83) below, lifting platform are provided with assembly pulley IV (84); Described wire rope (14) one end walks around assembly pulley I (81), assembly pulley II (82) successively, is then connected to power set by deflecting roller I (12); Wire rope (14) other end walks around assembly pulley III (83), assembly pulley IV (84) successively, is then connected to another power set by deflecting roller II (13).
3. different level conversion frame according to claim 2, is characterized in that: described assembly pulley I, II, III, IV (80,82,83,84) respectively comprises four pulleys, and pulley adopts 25t roller-type bearing.
4. different level conversion frame according to claim 1 and 2, is characterized in that: described power set are the hoist engines for pulling wire rope (14).
5. different level conversion frame according to claim 1, it is characterized in that: described framework comprises both sides column positioned opposite (1), each heel post (1) is connected with cross diagonal brace (2) by girder (4), secondary beam (3), and the top of two heel posts (1) is connected and combines draw-beam (5); Described girder (4), secondary beam (3) are alternately arranged from top to bottom; Described cross diagonal brace (2) crosspoint is connected on secondary beam (3) by junction plate I (6), and cross diagonal brace (2) end is connected on column (1) by junction plate II (7).
6. different level conversion frame according to claim 1 or 5, is characterized in that: described lifting platform comprises box bed (10); Described box bed (10) periphery is fixed with platform column (11), is connected with platform draw-beam (9) between platform column (11) top; Described platform draw-beam (9) is positioned opposite with combination draw-beam (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510433106.5A CN105002828B (en) | 2015-07-22 | 2015-07-22 | Different level conversion frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510433106.5A CN105002828B (en) | 2015-07-22 | 2015-07-22 | Different level conversion frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105002828A true CN105002828A (en) | 2015-10-28 |
| CN105002828B CN105002828B (en) | 2016-08-24 |
Family
ID=54375672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510433106.5A Active CN105002828B (en) | 2015-07-22 | 2015-07-22 | Different level conversion frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105002828B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214426U (en) * | 1987-10-16 | 1988-08-03 | 吴忠友 | Top lift adhesion type high buildings gantry elevator |
| CN2170291Y (en) * | 1993-09-25 | 1994-06-29 | 白志远 | Automatic gantry lifting type crane |
| CN2190644Y (en) * | 1994-03-25 | 1995-03-01 | 白志远 | Self lifting beam of building door frame lift |
| CN2225461Y (en) * | 1995-07-11 | 1996-04-24 | 车逸 | Buckle type steel pipe combined gantry crane |
| JPH09256321A (en) * | 1996-03-21 | 1997-09-30 | Hazama Gumi Ltd | Transfer platform for construction and reinforcement of pier |
| CN202785364U (en) * | 2012-04-28 | 2013-03-13 | 中国机械工业第二建设工程有限公司 | Movable dual-door-type mast hoisting device |
| CN204825662U (en) * | 2015-07-22 | 2015-12-02 | 江苏省矿业工程集团有限公司 | Different level conversion frame |
-
2015
- 2015-07-22 CN CN201510433106.5A patent/CN105002828B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214426U (en) * | 1987-10-16 | 1988-08-03 | 吴忠友 | Top lift adhesion type high buildings gantry elevator |
| CN2170291Y (en) * | 1993-09-25 | 1994-06-29 | 白志远 | Automatic gantry lifting type crane |
| CN2190644Y (en) * | 1994-03-25 | 1995-03-01 | 白志远 | Self lifting beam of building door frame lift |
| CN2225461Y (en) * | 1995-07-11 | 1996-04-24 | 车逸 | Buckle type steel pipe combined gantry crane |
| JPH09256321A (en) * | 1996-03-21 | 1997-09-30 | Hazama Gumi Ltd | Transfer platform for construction and reinforcement of pier |
| CN202785364U (en) * | 2012-04-28 | 2013-03-13 | 中国机械工业第二建设工程有限公司 | Movable dual-door-type mast hoisting device |
| CN204825662U (en) * | 2015-07-22 | 2015-12-02 | 江苏省矿业工程集团有限公司 | Different level conversion frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105002828B (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202936736U (en) | Cable-stayed bridge composite beam construction bridge floor crane | |
| CN101537976B (en) | Dual-tower-mast giant self-lifting crane and following-carrying lifting method thereof | |
| CN201494438U (en) | Simple and fast installation cableway for maintenance and rush repair of mountain pipeline | |
| CN104878693A (en) | Lateral girder erection and construction method for truss double-girder type bridge girder erection machine | |
| CN101775907A (en) | Space truss structure aerial pairing integral slide installation method | |
| CN102070071A (en) | Steel reinforcement cage hoisting method | |
| CN201376848Y (en) | Large-scale double-tower automatic-elevation hoisting equipment | |
| CN207361649U (en) | Large-scale vestibule steel structure hoisting instrument | |
| CN202530769U (en) | Large span steel structure high-altitude subsection hoisting support system | |
| CN209081290U (en) | Bailey truss pylon and distributing earth anchor CABLEWAY ERECTION SYSTEM that can be traversing | |
| CN102587284A (en) | Independent derrick mast and beam plate mounting method | |
| CN204825662U (en) | Different level conversion frame | |
| CN106120573B (en) | Multispan cable-carried arch bridge self-balancing button over strait hangs construction method | |
| CN105040592B (en) | A kind of horizontal drawing cable bridge and its erection method | |
| CN201325826Y (en) | Rock anchor beam hoisting device for underground power house | |
| CN209260578U (en) | Longitudinal temporary connecting structure of suspension bridge concrete stiffening girder installation | |
| CN105002828B (en) | Different level conversion frame | |
| CN107720652A (en) | A kind of construction method for hanging of frame structure large scale equipment | |
| CN210505201U (en) | Equipment for hoisting reinforcing steel bars in batches | |
| CN102108694B (en) | Method for hoisting gantry crane rail beam in gate dam type hydropower station engineering | |
| CN211312214U (en) | Cable crane system installation system | |
| CN203065046U (en) | Self-stabilizing double-rocker-arm lifting device for installation of high-rise tower | |
| CN202245789U (en) | Special typhoon prevention device for gantry crane | |
| CN103195288B (en) | Wind-power electricity generation prefabricated reinforced concrete pylon Incremental Launching Method | |
| CN215828215U (en) | Self-balancing large-span net rack lifting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |