CN2032611U - Folding type fast erecting tower crane - Google Patents
Folding type fast erecting tower crane Download PDFInfo
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- CN2032611U CN2032611U CN 87214225 CN87214225U CN2032611U CN 2032611 U CN2032611 U CN 2032611U CN 87214225 CN87214225 CN 87214225 CN 87214225 U CN87214225 U CN 87214225U CN 2032611 U CN2032611 U CN 2032611U
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- tower
- fixed pulley
- crane
- jib
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Abstract
The utility model discloses a folding type fast erecting tower crane, which belongs to a hoisting in construction machinery. The folding type fast erecting tower crane is characterized in that the folding type fast erecting tower crane adopts a hinged tower body, an arm frame and the erecting mechanism of four-linking-rod; the tower body can be folded when the folding type fast erecting tower crane falls down; the integral hauling and the disposable fast erecting of the crane can be realized through the tower end frame of landing, the power assist of differential pulley groups, the tail dragline of a fixed length and a differential rope. The folding type fast erecting tower crane has the advantages that compared with a similar tower crane, the self-weight is 1-1.5 tons lighter, the power is reduced by 50%, the erecting speed is more than 5 times faster, and the arm length is increased by 2 meters.
Description
The utility model is collapsible to be set up tower crane fast and belongs to elevator machinery in the vehicle for construction, is applicable to the vertical-horizontal transportation in the building operation, the building operation of especially medium and small engineering.
Existing downside rotation type electro tower crane generally partly is made up of jib, body of the tower, cat head, hoisting mechanism, erecting device, swing type mechanism, luffing mechanism and traveling gear etc.Its erection mode generally is that secondary sets up, promptly earlier upright body of the tower, treat body of the tower upright straight after pull-up jib again.Body of the tower is normally all-in-one-piece or socket joint type.Set up power and generally have two kinds: a kind of is specially to be equipped with a cover to set up mechanism; Another kind is to adopt to add a reel as erecting device on lifting mechanism.The deficiency that this known downside rotation type electro tower crane exists is:
1. setting up aspect the power: as adopt special erecting device then complete machine weight strengthen, power consumption is big, the cost height; As adopt two reels, and then behind upright straight body of the tower, need to twine again to set up steel rope with the pull-up jib, its complicated operation, the speed of setting up is slow.
2. on the body of the tower structure: as adopt whole body of the tower, then the erection process body of the tower is stressed bad, needs to strengthen the body of the tower sectional area, and whole simultaneously haul length is oversize, and the complete machine through performance reduces; As adopt the socket body of the tower, and between its inside and outside section, there are an overlap joint section and a cover to make the mechanism of interior tower rise, cause the body of the tower deadweight to strengthen mechanism's complexity.
3. the what is more important secondary sets up the length that limited jib greatly (jib length generally can not greater than the distance between body of the tower summit to the ground), and the complete machine in-use performance is restricted.
The purpose of this utility model is the scheme of architecture of middle-size and small-size tower machine, haul scheme and working parameter are innovated, provide a kind of jib to extend greatly, the complete machine amplitude strengthens, the haul compact dimensions, weight and consumption of power greatly reduce, and set up rapidly, and be simple to operate, body of the tower setting accuracy height, the novel tower-type hoisting crane of stable and reliable working performance.
The utility model is realized by following technical measures: promptly adopt foldable articulating body of the tower and jib when falling, the four link type erecting device, and realize the whole haul of hoisting crane and disposablely set up fast by the tower tailstock that rises and falls, pulley block differential power-assisted and fixed length afterbody drag-line and differential rope.
Below the utility model is described in further detail.
A kind of tower crane of forming by underframe, turn table, body of the tower, jib, steel rope elevator system etc., its feature is as follows:
Below in conjunction with drawings and Examples collapsible structure and the function of setting up tower crane fast of the utility model is described in further detail.
Fig. 1 sets up tower crane overall structure scheme drawing (a) fast and sets up steel rope and wear around scheme drawing (b) for collapsible.
Fig. 2 is the collapsible tower crane transit condition scheme drawing that sets up fast.
Fig. 3 is for the collapsible tower crane that sets up fast sets up the intermediateness scheme drawing.
Fig. 4 is for the collapsible tower crane that sets up fast plays tower riding wheel structure scheme drawing.
Fig. 5 is the collapsible tower crane tower springing structural representation that rises and falls that sets up fast.
Fig. 6 is the collapsible tower crane tower tailstock structural representation that rises and falls that sets up fast.
Fig. 7 is collapsible differential rope of tower crane and the pulley block differential structural representation of setting up fast.
Fig. 8 is the collapsible tower crane jib head construction scheme drawing that sets up fast.
The collapsible tower crane that sets up fast as shown in Figure 1, it by jib 1, cat head strut 2, afterbody drag-line 3, differential rope 4, go up body of the tower 5, play tower support roller 6, set up bar 7, the tower springing 8 that rises and falls, down body of the tower 9, the tower tailstock 10 that rises and falls, set up steel rope 11, hoist and set up major parts such as winch 12, turn table 13, underframe 14 and form (omitting amplitude variation trolley, suspension hook, safety device etc. among the figure).Its characteristics are that body of the tower is by last body of the tower 5 and the hinged (see figure 5) of forming of following body of the tower 9 two parts, with the coaxial fixed pulley group 36 that is equipped with of hinge; On the top of descending body of the tower 9 and the corresponding crossbeam of upper and lower body of the tower hinge, a pair of tower springing of being made up of axle 18, spring 19, locknut 20 that rises and falls is housed.In the middle part, back of last body of the tower 5 (see figure 1), an a pair of tower support roller of being made up of wheel carrier 15, wheel shaft 17 and fixed pulley 16 is housed as shown in Figure 4.The fixed pulley group that one cover is made up of butt joint open plate 26, wheel shaft 27 and a pair of fixed pulley 28 is installed in the bottom (see figure 1) of body of the tower 5.
Rise and fall tower tailstock 10 constructional feature as shown in Figure 6.It is made up of a column 24, cross bar 25 and pair of support rods 26.Fixed pulley 21 is equipped with in each column 24 upper end; Fixed pulley 22 with set up 7 on bar by the axle 23 coaxial middle parts that are installed in vertical rod 24; The other end that sets up bar 7 is hinged on fwd both sides, body of the tower 5 bottom respectively.
The erecting device of the utility model tower crane such as Fig. 3, shown in Figure 1.It by be articulated in following body of the tower 9 on the turn table 13, and following body of the tower pivotally attached on body of the tower 5, be articulated in body of the tower 5 and four-bar mechanism that rise and fall tower tailstock 10 and the turn table 13 that set up bar 7 and be fixed together mutually between the tower tailstock 10 of rising and falling formed; Form by the fixed pulley group 22,21 of installing on the fixed pulley group 36 and the tower tailstock 10 that rises and falls and set up assembly pulley.
Used pulley block differential as shown in Figure 7 in the utility model tower crane.It by with the differential rope 4 pivotally attached movable pulley framves 31 of fixed length, be contained in docking major axis 29, constitute by docking fixed pulley group two parts that open plate 26, wheel shaft 27 and a pair of fixed pulley 28 form on being contained in running block that a pair of movable pulley 30 on 29 constitutes and being installed in body of the tower 5 on 31.
The steel rope canoe of the utility model tower crane as shown in Figure 1 and Figure 2.The steel rope 11 of drawing from reel 12 is walked around the fixed pulley group 36 of upper and lower body of the tower hinge, the fixed pulley 22,21 on the right on the tower tailstock 10 that rises and falls, again return fixed pulley group 36 after walking around the fixed pulley 21,22 on its left side again, and 36 and left side fixed pulley group 22 between after several multiplying powers, process fixed pulley group 28 is again around to running block 30, after fixed pulley group 28 and the several multiplying powers of running block 30 spaced windings, steel rope 11 is fixed on the body of the tower 5.
The utility model is collapsible, and to set up the working process of tower crane fast as follows:
When complete machine is in transit condition, as shown in Figure 2: jib 1 is superimposed together fully with last body of the tower 5, fall in the tower tailstock 10 that rises and falls, a pair of tower support roller 16 on the last body of the tower 5 depressed into U-shaped with the steel rope 11 between two fixed pulleys 21 on the tailstock, shown in A-A among Fig. 2.For reducing complete machine haul size, jib 1 is by root segment and first period two parts hinged composition, as shown in Figure 8: hinge is below jib, and root segment and first section joint portion are made up of root segment interface 32, pin 33, spring cotter 34 and jib stem joint 35 above the jib.When complete machine was in transit condition, detachable under shed pin and pin turned back the jib stem, hang over down the body of the tower top, as shown in Figure 2.
When complete machine is in erection process, as shown in Figure 3: start winch 12, steel rope 11 at first spurs pulley block differential, distance between fixed pulley 28 and the movable pulley 30 is shortened, thus drive differential rope 4 with cat head strut 2 from transit condition (shown in Figure 2) position cocked to Fig. 3 position shown in the dotted line of below; (meanwhile, with first section of jib 1 and root segment to connecting and to sell lock dead.) the cat head strut 2 back steel rope 11 that puts in place pulls on, then overlay last body of the tower 5 in the tower tailstock 10 of rising and falling and jib 1 attached to it and lifted gradually by steel rope 11, up to shifting out the tower tailstock 10 that rises and falls fully by a tower support roller 16.Along with pulling on of steel rope 11, the tower support roller 16 that rises on the last body of the tower breaks away from fully with steel rope 11, and the distance between assembly pulley 36 and the assembly pulley 22 shortens gradually simultaneously, and upper and lower body of the tower erects gradually.When body of the tower played to a certain degree, because of afterbody drag-line 3 fixed length, then drag-line 3 began to draw cat head strut 2, made its conter clockwise deflection; Like this, promptly driving jib 1 by cat head strut 2 and steel rope between the jib 1 separates with last body of the tower 5.Meanwhile, pulley block differential is also started working, and drives differential rope 4 and helps afterbody drag-line 3 torque arm frame 1 together; This crosses and lasts till that always body of the tower is near upright.
Body of the tower is when upright, and the movable pulley major axis 29 in the pulley block differential enters in the open slot of pulley butt joint open plate 26 dieback automatically, and this moment, differential rope 4 no longer worked, and was loose shape.Body of the tower continues upright under the pulling force of steel rope 11, and upper and lower body of the tower closes up gradually, and the tower springing of installing between the upper and lower body of the tower that rises and falls is compressed (see figure 5), closes up fully until upper and lower body of the tower.At this moment upper and lower body of the tower in line and perpendicular to horizontal surface, jib is then perpendicular to body of the tower.
The process of transferring of tower is opposite with upright tower process.When discharging steel rope 11, to post deflection, along with the continuous release of steel rope, body of the tower and jib fall last body of the tower 5 gradually, are folded into transit condition shown in Figure 2 under the effect of the tower springing that rises and falls.
The basic mechanical design feature of this machine is as follows: (is row with 10 tons of rice types)
Haul size (length) 10480 * 2280 * 3850 millimeters
15 meters of maximum functional amplitudes
3 meters of minimum work ranges
1 ton of maximum rated hoisting capacity
0.65 ton of minimum rated load weight
15 meters/minute of lifting velocities
15 meters/minute of luffing speed
0.6 rev/min of speed of revolutions
3 kilowatts of lifting motor power
0.75 kilowatt of luffing power of motor
0.75 kilowatt of turning motor power
13 meters of maximum height of lift
Machine weighs 4 tons
2 tons of counterweights
This machine advantage is: compare with similar tower machine, it is light 1～1.5 ton to conduct oneself with dignity, and power saves 50%, and the speed of setting up is fast more than 5 times, and brachium increases more than 2 meters.
Claims (3)
1, a kind of tower crane of forming by underframe, turn table, body of the tower, jib, steel rope elevator system etc., its feature is as follows:
A. body of the tower is by last body of the tower 5 and following body of the tower 9 two parts hinged composition, with the coaxial fixed pulley group 36 that is equipped with of hinge; At the middle part, back of last body of the tower 5, an a pair of tower support roller of being made up of wheel carrier 15, wheel shaft 17 and fixed pulley 16 is housed; The fixed pulley group that one cover is made up of butt joint open plate 26, wheel shaft 27 and at least one fixed pulley 28 is installed in the bottom of body of the tower 5;
B., the tower tailstock 10 that rises and falls is housed on turn table 13, and it is made up of a column 24, cross bar 25 and pair of support rods 26; Fixed pulley 21 is equipped with in each column 24 upper end, fixed pulley 22 with set up 7 on bar by the axle 23 coaxial middle parts that are installed in vertical rod 24; The other end that sets up bar 7 is hinged on fwd both sides, body of the tower 5 bottom respectively;
C. erecting device by be articulated in following body of the tower 9 on the turn table 13, and following body of the tower pivotally attached on body of the tower 5, be articulated in body of the tower 5 and four-bar mechanism that rise and fall tower tailstock 10 and the turn table 13 that set up bar 7 and be fixed together mutually between the tower tailstock 10 of rising and falling formed; Setting up assembly pulley is made up of the fixed pulley group 22,21 of installing on the fixed pulley group 36 and the tower tailstock 10 that rises and falls;
D. an end is hinged on the turn table 13, and the hoisting crane afterbody drag-line 3 that the other end is hinged on the cat head strut 2 is fixed length;
E., a differential rope 4 of fixed length and a pulley block differential are housed between the root of cat head strut 2 and last body of the tower 5; This pulley block differential by with the differential rope 4 pivotally attached movable pulley framves 31 of fixed length, be contained in docking major axis 29, constitute by docking fixed pulley group two parts that open plate 26, wheel shaft 27 and at least one fixed pulley 28 form on being contained in running block that at least one movable pulley 30 on 29 constitutes and being installed in body of the tower 5 on 31;
F. the crane rope canoe is: the steel rope 11 of drawing from reel 12 is walked around the fixed pulley group 36 of upper and lower body of the tower hinge, the fixed pulley 22,21 on the right on the tower tailstock 10 that rises and falls, again return fixed pulley group 36 after walking around the fixed pulley 21,22 on its left side again, and 36 and left side fixed pulley group 22 between after several multiplying powers, process fixed pulley group 28 is again around to running block 30, after fixed pulley group 28 and the several multiplying powers of running block 30 spaced windings, steel rope 11 is fixed on the body of the tower 5.
2, by the described tower crane of claim 1, it is characterized in that jib 1 is by root segment and first period two parts hinged composition, hinge is below jib, and root segment and first section joint portion are made up of root segment interface 32, pin 33, spring cotter 34 and jib stem joint 35 above the jib.
3,, it is characterized in that on the top of descending body of the tower 9 and the corresponding crossbeam of upper and lower body of the tower hinge, a pair of tower springing of being made up of axle 18, spring 19, locknut 20 that rises and falls being housed by the described tower crane of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87214225 CN2032611U (en) | 1987-10-15 | 1987-10-15 | Folding type fast erecting tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87214225 CN2032611U (en) | 1987-10-15 | 1987-10-15 | Folding type fast erecting tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2032611U true CN2032611U (en) | 1989-02-15 |
Family
ID=4828594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87214225 Pending CN2032611U (en) | 1987-10-15 | 1987-10-15 | Folding type fast erecting tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2032611U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100567132C (en) * | 2007-06-19 | 2009-12-09 | 李海青 | The wire rope fixing device of light folding arm type tower crane lifting-folding arm mechanism |
| CN1955102B (en) * | 2005-10-26 | 2010-07-21 | 马尼托沃克起重机集团（法国）公司 | Method and device for the assembly of a crane with a lifting jib |
| CN101962156A (en) * | 2010-10-18 | 2011-02-02 | 南京工业大学 | Foldable fast-assembling tower crane |
| CN102211742A (en) * | 2011-05-18 | 2011-10-12 | 上海三一科技有限公司 | Multi-layer winding rope groove drum and processing method thereof and crane comprising groove drum |
| CN102358579A (en) * | 2011-09-14 | 2012-02-22 | 哈尔滨东建机械制造有限公司 | Base-tower combined mechanism of tower crane |
| CN101633480B (en) * | 2009-02-10 | 2013-04-17 | 扬州工业职业技术学院 | Brace bar attached to bilateral-rack inclined sides |
| CN106044583A (en) * | 2016-07-15 | 2016-10-26 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted crane capable of being folded and stored and method |
| CN112607592A (en) * | 2020-11-27 | 2021-04-06 | 海鹰企业集团有限责任公司 | Movable type foldable hoisting device |
| CN113135505A (en) * | 2021-04-26 | 2021-07-20 | 郑州新大方重工科技有限公司 | Truss structure follow-up telescopic system with guide mechanism, crane and guide method |
-
1987
- 1987-10-15 CN CN 87214225 patent/CN2032611U/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1955102B (en) * | 2005-10-26 | 2010-07-21 | 马尼托沃克起重机集团（法国）公司 | Method and device for the assembly of a crane with a lifting jib |
| CN100567132C (en) * | 2007-06-19 | 2009-12-09 | 李海青 | The wire rope fixing device of light folding arm type tower crane lifting-folding arm mechanism |
| CN101633480B (en) * | 2009-02-10 | 2013-04-17 | 扬州工业职业技术学院 | Brace bar attached to bilateral-rack inclined sides |
| CN101962156A (en) * | 2010-10-18 | 2011-02-02 | 南京工业大学 | Foldable fast-assembling tower crane |
| CN102211742A (en) * | 2011-05-18 | 2011-10-12 | 上海三一科技有限公司 | Multi-layer winding rope groove drum and processing method thereof and crane comprising groove drum |
| CN102211742B (en) * | 2011-05-18 | 2014-02-05 | 上海三一科技有限公司 | Processing method of multi-layer winding rope groove drum |
| CN102358579A (en) * | 2011-09-14 | 2012-02-22 | 哈尔滨东建机械制造有限公司 | Base-tower combined mechanism of tower crane |
| CN106044583A (en) * | 2016-07-15 | 2016-10-26 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted crane capable of being folded and stored and method |
| CN112607592A (en) * | 2020-11-27 | 2021-04-06 | 海鹰企业集团有限责任公司 | Movable type foldable hoisting device |
| CN112607592B (en) * | 2020-11-27 | 2024-04-19 | 海鹰企业集团有限责任公司 | Portable can open and shut and hang device of putting |
| CN113135505A (en) * | 2021-04-26 | 2021-07-20 | 郑州新大方重工科技有限公司 | Truss structure follow-up telescopic system with guide mechanism, crane and guide method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned | ||
| WD01 | Invention patent application deemed withdrawn after publication |