CN101357736A - Method for hoisting and turning over large articles using frame crane - Google Patents
Method for hoisting and turning over large articles using frame crane Download PDFInfo
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- CN101357736A CN101357736A CNA2008100424179A CN200810042417A CN101357736A CN 101357736 A CN101357736 A CN 101357736A CN A2008100424179 A CNA2008100424179 A CN A2008100424179A CN 200810042417 A CN200810042417 A CN 200810042417A CN 101357736 A CN101357736 A CN 101357736A
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Abstract
The invention relates to a method for hoisting and turning over a large-scale object by means of a gantry crane, which consists of the following steps: (1) welding four rings E1, E2, F1, and F2 at the foursquare of the large object; (2) hanging a sling A with four hooks No. 1, No. 2, No. 3, and No. 4 and connecting sling B and sling C in a backup way; (3) hoisting the large object to a certain height; (4) lowering the hooks No.1 and No. 2 to the large object in an approximately vertical position, with a load bearing by hooks No.3 and No.4, then loosening hooks No.1 and No. 2; (5) turning sling C to the back; hanging sling B with hooks No.1 and No. 2 to bear the weight of the whole object, then loosening hooks No.3 and No.4; (6) moving hooks No.3 and No.4 to the back to hang the sling C; hoisting hooks No.3 and No.4; meanwhile, lowering hooks No.1 and No. 2 to turn over the large object to be parallel with the ground; hooks No. 1, No. 2, No. 3, and No. 4 all evenly bear the weight of the large object. The method for hoisting and turning over a large-scale object by means of a gantry crane has the advantages of simplicity, convenience, rapidity, and high-efficiency.
Description
Technical field
The present invention relates to the weight handling, particularly relate to a kind of method of utilizing gauntry crane to hoisting and turning over large articles, specifically relate to the method that in the ship building large-scale body section is lifted and stands up.
Background technology
Hoisting crane is many actions elevator machinery of vertical-lift within the specific limits and horizontal carrying heavy goods, claims crane again.It is mainly used to handling member article, but is equipped with behind the suitable suspender also handling bulk material and liquid material.
Hoisting crane is divided into jib-type crane and crane span structure type hoisting crane by structure usually.The mast crane that jib-type crane comprises tower crane, span winch, floating crane, self-propelled crane, be made up of mast and jib, along the wall sleeving crane of wall operation be contained in deck crane on the ship deck etc.; Crane span structure type hoisting crane comprises crane in bridge type, gauntry crane, crane bridge and cable crane etc.Hoisting crane also can be classified by characteristics such as purposes, type of drive and manoevreabilitys.The fault of hoisting crane can cause great fatal accident and economic loss, therefore, various crane safety devices are housed on hoisting crane, as prevent the load suppression gear that overloads, the travel switch of restriction hoisting crane, crane carriage or spreader position, prevent the crane rail clamp that hoisting crane is blown away by strong wind, and signalling apparatus etc.Especially to note resistance to overturning to jib-type crane and large-scale special purpose crane, guarantee that promptly it does not tumble under external load function.The main development tendency of hoisting crane is: develop more rational metal construction, mechanism and parts, to reduce metal wastage; The hoisting crane of development big elevating capacity; Improve work speed, expanding governing; The research structure vibration problem; Improve the reliability and the service life of metal construction, mechanism and electrical equipment; Improve the condition of driver operation, guarantee that range of use that job safety improves automatic controlling level and enlarge remote control system especially is applied to them on the abominable crane for steelworks use of the frequent warehouse stakcer crane of operation and environment.
Shipbuilding gantry crane is a kind of big elevating capacity, large span, multi-functional, high efficiency transfer crane tool.Be exclusively used in dock or building berth and carry out large-scale body section transportation, butt joint and upset operation.Belong to big hoisting crane special purpose crane class.Be characterized in 1. have singly hang, lift, multiple function such as upset, aerial uneven little commentaries on classics in the air.2. go up dolly and be provided with two main hooks, place girder two outsides respectively, individually or simultaneously side travel 0-2m.3. descend dolly to be provided with major and minor two hooks, place the girder central lower.4. upper and lower dolly can empty mutually operation more.5. for preventing that storm wind from attacking, and is provided with wind-proof devices such as safe and reliable rail clamping device, earth anchor.The realization of multiple functions such as the aerial upset in its characteristics 1, aerial uneven little commentaries on classics is to realize by being provided with of dolly up and down of hoisting crane.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art and the difficulty that is difficult to overcome, a kind of method of utilizing gauntry crane to hoisting and turning over large articles is provided.Utilize method of the present invention in large-sized object handling processes such as boat segmental, realize freely standing up, do not need to dispose again special equipment, facility and and simplify the effect of hoisting and overturning process, have succinct convenience and advantage efficiently rapidly.
Technical scheme of the present invention is as follows:
A kind of method of utilizing gauntry crane to hoisting and turning over large articles, this method comprises the steps:
1. weld respectively at four jiaos that place large-sized object on the moulding bed and fix suspension ring, have four suspension ring, be respectively the first suspension ring E1, the second suspension ring E2, the 3rd suspension ring F1, the 4th suspension ring F2, two identical lifting ropes all are set in each suspension ring, suspension ring are connected by shackle with lifting rope, be connected as shackle by suspension ring, sling conductor tool spare, be convenient to safe and effective realization connection and dismounting;
2. utilize gauntry crane No. 1, No. 2, the upper end that No. 3 and No. 4 four suspension hooks hang each lifting rope in four suspension ring of pull-up, this place's lifting rope is the A lifting rope, then four interior lifting ropes of suspension ring all have one to leave unused, wherein with No. 3 cooresponding the 3rd suspension ring F1 of suspension hook, with the idle standby lifting rope of bonded assembly in No. 4 cooresponding the 4th suspension ring F2 of suspension hook be the B lifting rope, the other end of two idle standby B lifting ropes also is connected respectively by shackle with the lower end of the interior A lifting rope of the second suspension ring E2 with the first suspension ring E1, with No. 1 cooresponding first suspension ring E1 of suspension hook, what mouthful idle standby lifting rope of connection was unloaded in No. 2 interior employings of the cooresponding second suspension ring E2 of suspension hook is the C lifting rope;
3. gauntry crane No. 1, No. 2, No. 3 and No. 4 four suspension hooks hang and widen type object level and promote certain altitude, this highly be greater than large-sized object overall dimensions in one or multinomial: width, length or height, the smooth implementation of the protection of object and operation when being convenient to implement to stand up operation;
4. reduce No. 1 suspension hook and No. 2 suspension hooks gradually, make an end of large-sized object reduce, it is motionless that the other end keeps, be the ground-surface state of near normal until this large-sized object, unclamp in No. 1 suspension hook and No. 2 suspension hooks being connected of two A lifting rope lower ends and the first suspension ring E1 and the second suspension ring E2, the load-bearing of object shift naturally excessively No. 3 and No. 4 suspension hooks on, the weight of carrying whole large-sized object by No. 3 suspension hooks and No. 4 suspension hooks, show and to present relaxed state after further descending on the lifting rope of No. 1 and No. 2 suspension hook, for safety, further can lower large-sized object by suspension hook this moment, can be easily with No. 1 until the lifting operating personal, No. 2 suspension hooks and the first suspension ring E1, the second suspension ring E2 bonded assembly A lifting rope lower end joining shackle is untied;
5. two standby C lifting ropes are translated into the back side from the bottom of large-scale object, No. 1 suspension hook and No. 2 suspension hooks that utilization is unclamped hang two standby B lifting ropes that draw in the 3rd suspension ring F1 and the 4th suspension ring F2, and hoist gradually until the weight of the whole large-sized object of carrying, unclamp the A lifting rope of No. 3 suspension hooks and No. 4 suspension hooks;
No. 3 suspension hooks that 6. will unclamp and No. 4 suspension hooks move to the back side of large-sized object, and utilize No. 3 suspension hooks and No. 4 suspension hooks to hang two standby C lifting ropes that draw in the first suspension ring E1 and the second suspension ring E2, promote No. 3 suspension hooks and No. 4 suspension hooks gradually, reduce No. 1 suspension hook and No. 2 suspension hooks simultaneously, large-sized object is stood up, when large-sized object is parallel to level ground, the weight that No. 1 suspension hook, No. 2 suspension hooks, No. 3 suspension hooks and No. 4 suspension hooks evenly carry large-sized object.
Reduce the object height this moment, be convenient to the lifting work operating personal two standby C lifting ropes are translated into the object back side from the bottom side of large-scale object, further reduce No. 3 suspension hooks and No. 4 suspension hooks, use lifting rope shackle or attaching parts that an idle end of C lifting rope is connected with No. 4 suspension hooks with No. 3 suspension hooks respectively.
A kind of lifting method in the said method, described step is unclamped separately by No. 3 suspension hooks and No. 4 suspension hooks in 5., cooresponding two A lifting ropes still are hung in the 3rd suspension ring F1 and the 4th suspension ring F2, step 6. in No. 3 suspension hooks directly be connected with two C lifting ropes with No. 4 suspension hooks, promptly between No. 3 suspension hooks and No. 4 suspension hooks and large-sized object the C lifting rope is arranged.
As another kind of lifting method, hang with an A lifting rope respectively on No. 3 suspension hooks that described step is unclamped in 5. and No. 4 suspension hooks, the lower end of A lifting rope and the 3rd suspension ring F1 and the 4th suspension ring F2 are separated, step is connected by two A lifting ropes between No. 3 suspension hooks and No. 4 suspension hooks and the two standby C lifting ropes in 6., promptly has the A+C lifting rope between No. 3 suspension hooks and No. 4 suspension hooks and large-sized object.
Described large-sized object is cubic straight rectangular section or the approximate cubic straight segmentation in the ship building.
Described gauntry crane is twin beams or single-beam four suspension hook hoisting cranes.
Owing to adopted technique scheme, the present invention has brought following technological merit than prior art:
1. method of the present invention is stood up hanging aloft to finish when widening the type object, does not need to reappose on the ground again, also need not to dispose the special instrument that stands up again, has the advantage of being convenient to operate with low-cost high-efficiency.
2. method of the present invention is to hang to draw in original and the corresponding nominal of object to step up fixing and locking by interface units such as shackles on the suspension ring and be connected, realized by unloading interface units such as mouth as needing to connect or increase between the lifting rope, compare to increase on the suspension ring with scheme in the past and installed four standby lifting ropes, can finish the operation of standing up of the present invention, have simple advantage.
Description of drawings
Fig. 1 is that a kind of gauntry crane that utilizes of the present invention is to lifting dead work scheme drawing in the method for hoisting and turning over large articles.
Fig. 2 is that a kind of gauntry crane that utilizes of the present invention is in the method for hoisting and turning over large articles hanging large-sized object the view of moulding bed rising.
Fig. 3 is a kind of view of utilizing gauntry crane that No. 3 suspension hooks in the method for hoisting and turning over large articles and No. 4 suspension hooks are raise an end of large-sized object of the present invention.
Fig. 4 is that a kind of gauntry crane that utilizes of the present invention is to raise view before the load-bearing of back of No. 1 suspension hook in the method for hoisting and turning over large articles and No. 2 suspension hooks.
Fig. 5 view after to be that the present invention is a kind of utilize gauntry crane to No. 3 suspension hooks among the method embodiment 1 of hoisting and turning over large articles and No. 4 suspension hook pine hooks.
Fig. 6 is that a kind of utilization of the present invention stood up preceding No. 3 suspension hooks, No. 4 suspension hooks and C lifting rope bonded assembly view among the method embodiment 1 of gauntry crane to hoisting and turning over large articles.
Fig. 7 is that a kind of utilization of the present invention stood up the view that back four suspension hooks put in place and lift among the method embodiment 1 of gauntry crane to hoisting and turning over large articles.
Fig. 8 be the present invention a kind of utilize stand up among the method embodiment 1 of gauntry crane to hoisting and turning over large articles finish after the lifting view that descends of four suspension hooks.
Fig. 9 is that a kind of gauntry crane that utilizes of the present invention stands up the view that back four suspension hooks are prepared loose hook to lifting among the method embodiment 1 of hoisting and turning over large articles.
Figure 10 view after to be that the present invention is a kind of utilize gauntry crane to No. 3 suspension hooks among the method embodiment 2 of hoisting and turning over large articles and No. 4 suspension hook pine hooks.
Figure 11 is that a kind of utilization of the present invention stood up preceding No. 3 suspension hooks, No. 4 suspension hooks, A lifting rope and C lifting rope bonded assembly view among the method embodiment 2 of gauntry crane to hoisting and turning over large articles.
Figure 12 is that a kind of utilization of the present invention stood up the view that back four suspension hooks put in place and lift among the method embodiment 2 of gauntry crane to hoisting and turning over large articles.
Figure 13 be the present invention a kind of utilize stand up among the method embodiment 2 of gauntry crane to hoisting and turning over large articles finish after the lifting view that descends of four suspension hooks.
Figure 14 is that a kind of gauntry crane that utilizes of the present invention stands up the view that back four suspension hooks are prepared loose hook to lifting among the method embodiment 2 of hoisting and turning over large articles.
The specific embodiment
Come a kind of gauntry crane that utilizes of the present invention is described in further detail the method for hoisting and turning over large articles below in conjunction with accompanying drawing and specific embodiment, but can not limit protection scope of the present invention with this.
In the concrete practice of the large-scale straight sectional turn-over lifting of boats and ships, utilize gauntry crane that it is lifted a kind of method of standing up and mainly comprise following operating process:
1. weld respectively at four jiaos that place large-sized object on the boat segmental moulding bed and fix suspension ring, have four suspension ring, these four suspension ring are respectively the first suspension ring E1, the second suspension ring E2, the 3rd suspension ring F1 and the 4th suspension ring F2, per two adjacent suspension ring all can bear the weight of this large-sized object, two cooresponding lifting ropes all are set in above-mentioned each suspension ring, per two adjacent lifting ropes also can enough bear the weight of whole large-sized object, lifting rope is connected locking with suspension ring by shackle, is convenient to realize safely and effectively connect and dismounting;
2. utilize No. 1 suspension hook of the gauntry crane of single-beam four suspension hooks, No. 2 suspension hooks, No. 3 suspension hooks and No. 4 suspension hooks hang the single lifting rope in four suspension ring of pull-up, the lifting rope that link to each other with suspension hook this moment is the A lifting rope, then four interior lifting ropes of suspension ring all have a lifting rope idle standby, wherein with No. 3 cooresponding the 3rd suspension ring F1 of suspension hook, idle standby lifting rope is the B lifting rope in No. 4 cooresponding the 4th suspension ring F2 of suspension hook, one end of two standby B lifting ropes is respectively by shackle and the 3rd suspension ring F1, the 4th suspension ring F2 links to each other, the other end of idle standby B lifting rope is fixed on and No. 1 suspension hook by shackle, the bottom of No. 2 suspension hook bonded assembly A lifting ropes, with No. 1 suspension hook, idle standby lifting rope is the C lifting rope in No. 2 cooresponding suspension ring of suspension hook, as shown in Figure 1, Fig. 1 is that a kind of gauntry crane that utilizes of the present invention is to lifting dead work scheme drawing in the method for hoisting and turning over large articles;
3. gauntry crane No. 1, No. 2, No. 3 and No. 4 four suspension hooks hang the large-sized object level of drawing as large-sized object and promote certain altitude, this highly be greater than large-sized object overall dimensions in one or multinomial: width, length or height, the smooth implementation of the protection of object and operation operation when being convenient to implement to stand up operation, this moment state as shown in Figure 2, Fig. 2 is that a kind of gauntry crane that utilizes of the present invention is in the method for hoisting and turning over large articles hanging large-sized object the view that moulding bed raises;
4. control gauntry crane, reduce the height of No. 1 suspension hook and No. 2 suspension hooks gradually simultaneously, make an end of large-sized object reduce, the other end is because No. 3 suspension hooks and No. 4 suspension hooks keep the motionless sustained height that is in substantially, the state of this moment as shown in Figure 3, Fig. 3 is a kind of view of utilizing gauntry crane that No. 3 suspension hooks in the method for hoisting and turning over large articles and No. 4 suspension hooks are raise an end of large-sized object of the present invention, show and to present relaxed state after further descending on the lifting rope of No. 1 suspension hook and No. 2 suspension hooks, for safety, further can lower large-sized object by suspension hook this moment, can be until the lifting operating personal easily with No. 1, No. 2 suspension hooks and the first suspension ring E1, the second suspension ring E2 bonded assembly A lifting rope lower end joining shackle is untied, the weight that carry whole large-sized object by No. 3 suspension hooks and No. 4 suspension hooks this moment;
5. two standby C lifting ropes are translated into the back side from the bottom of large-scale object, being in No. 1 suspension hook of releasing orientation and No. 2 suspension hooks hangs by institute's bonded assembly A lifting rope and draws two standby B lifting ropes, this moment No. 1 suspension hook and No. 2 suspension hooks to hang the lifting rope that draws be the A+B lifting rope, be connected by shackle between A lifting rope and B lifting rope, state as shown in Figure 4 at this moment, Fig. 4 is that a kind of gauntry crane that utilizes of the present invention is to raise view before the load-bearing of back of No. 1 suspension hook in the method for hoisting and turning over large articles and No. 2 suspension hooks, and No. 1 suspension hook and No. 2 suspension hooks the weight that hoists simultaneously until the whole large-sized object of carrying, this moment, this large-sized object still was the ground-surface state of near normal, unclamp being connected of A lifting rope between No. 3 suspension hooks and No. 4 suspension hooks and the 3rd suspension ring F1 and the 4th suspension ring F2, as shown in Figure 5, Fig. 5 view after to be that the present invention is a kind of utilize gauntry crane to No. 3 suspension hooks among the method embodiment 1 of hoisting and turning over large articles and No. 4 suspension hook pine hooks.As seen from the figure, after No. 3 suspension hooks and No. 4 suspension hooks unclamp, the other end of two A lifting ropes still is in and suspension ring F1, under the F2 bonded assembly state status, Cao Zuo purpose is like this, suspension hook can free lifting, not needing subsidiary A lifting rope also can directly realize hanging by the C lifting rope draws, this kind operating mode, the loose hook dismounting of A lifting rope and No. 3 suspension hooks and No. 4 suspension hooks is convenient but also safety not only, can be under the situation that No. 3 suspension hooks and No. 4 suspension hooks fully reduce the loose hook of dismounting, former and No. 3 suspension hooks, No. 4 suspension hook bonded assembly A lifting rope other ends and E1, E2 suspension ring joining shackle, can finish follow-up stand up step after, dismantle shackle work under the convenient and safe situation.
No. 3 suspension hooks that 6. will unclamp and No. 4 suspension hooks move to the back side of large-sized object simultaneously, be connected two standby C lifting ropes by No. 3 suspension hooks with No. 4 suspension hooks, as shown in Figure 6, Fig. 6 is that a kind of utilization of the present invention stood up preceding No. 3 suspension hooks among the method embodiment 1 of gauntry crane to hoisting and turning over large articles, No. 4 suspension hooks and standby C lifting rope bonded assembly view, promote No. 3 suspension hooks and No. 4 suspension hooks gradually, reduce the height of No. 1 suspension hook and No. 2 suspension hooks simultaneously, large-sized object is stood up, when large-sized object is parallel to ground, No. 1 suspension hook, No. 2 suspension hooks, the weight that No. 3 suspension hooks and No. 4 suspension hooks evenly carry large-sized object, what directly link to each other with No. 1 suspension hook and No. 2 suspension hooks in the lifting rope of this moment is two A lifting ropes, two that connect two A lifting ropes and suspension ring is the B lifting rope, No. 3 suspension hooks and No. 4 suspension hooks then are connected the suspension ring of large-sized object by two C lifting ropes, as shown in Figure 7, Fig. 7 is that a kind of utilization of the present invention stood up the view that back four suspension hooks put in place and lift among the method embodiment 1 of gauntry crane to hoisting and turning over large articles;
Finish and stand up after the operation, reduce simultaneously No. 1, No. 2, No. 3 and No. 4 suspension hooks, make large-sized object reduce height to the moulding bed place, as shown in Figure 8, Fig. 8 be the present invention a kind of utilize stand up among the method embodiment 1 of gauntry crane to hoisting and turning over large articles finish after the lifting view that descends of four suspension hooks.Aim at the position of moulding bed and large-sized object, this large-sized object is placed on the moulding bed, as shown in Figure 9, Fig. 9 is that a kind of gauntry crane that utilizes of the present invention stands up the view that back four suspension hooks are prepared loose hook to lifting among the method embodiment 1 of hoisting and turning over large articles, unclamp being connected of B lifting rope and C lifting rope and suspension ring, and idle A lifting rope is pulled down in the lump.Finish whole large-sized object and be the lifting of the straight segmentation of hull and stand up work.
In the concrete practice of the large-scale straight sectional turn-over lifting of boats and ships, utilize gauntry crane that it is lifted the another kind of method of standing up and mainly comprise following operating process:
1. weld respectively at four jiaos that place straight rectangle body section on the boat segmental moulding bed and fix suspension ring, have four suspension ring, these four suspension ring are respectively the first suspension ring E1, the second suspension ring E2, the 3rd suspension ring F1 and the 4th suspension ring F2, per two adjacent suspension ring all can bear the weight of this body section, two cooresponding lifting ropes all are set in above-mentioned each suspension ring, per two adjacent lifting ropes also can enough bear the weight of whole body section, lifting rope is connected by shackle with suspension ring, is convenient to realize safely and effectively connect and dismounting;
2. utilize No. 1 suspension hook of the gauntry crane of single-beam four suspension hooks, No. 2 suspension hooks, No. 3 suspension hooks and No. 4 suspension hooks hang the single lifting rope in four suspension ring of pull-up, the lifting rope that link to each other with suspension hook this moment is the A lifting rope, then four interior lifting ropes of suspension ring all have a lifting rope standby idle standby, wherein with No. 3 cooresponding the 3rd suspension ring F1 of suspension hook, idle standby lifting rope is the B lifting rope in No. 4 cooresponding the 4th suspension ring F2 of suspension hook, one end of two B lifting ropes is respectively by shackle and the 3rd suspension ring F1, the 4th suspension ring F2 links to each other, the standby idle other end of B lifting rope is fixed on and No. 1 suspension hook by shackle, the bottom of No. 2 suspension hook bonded assembly A lifting ropes, with No. 1 suspension hook, idle standby lifting ropes is the C lifting rope in No. 2 cooresponding suspension ring of suspension hook, as shown in Figure 1, Fig. 1 is that a kind of gauntry crane that utilizes of the present invention is to lifting dead work scheme drawing in the method for hoisting and turning over large articles;
3. gauntry crane No. 1, No. 2, No. 3 and No. 4 four suspension hooks hang the body section level of drawing as large-sized object and promote certain altitude, this highly be greater than large-sized object overall dimensions in one or multinomial: width, length or height, the smooth implementation of the protection of object and operation is operated when being convenient to implement to stand up operation, this moment state as shown in Figure 2, Fig. 2 is that a kind of gauntry crane that utilizes of the present invention is in the method for hoisting and turning over large articles hanging large-sized object the view that moulding bed raises;
4. control gauntry crane, reduce the height of No. 1 suspension hook and No. 2 suspension hooks gradually simultaneously, make an end of body section reduce, the other end is because No. 3 suspension hooks and No. 4 suspension hooks keep the motionless sustained height that is in substantially, the state of this moment as shown in Figure 3, Fig. 3 is a kind of view of utilizing gauntry crane that No. 3 suspension hooks in the method for hoisting and turning over large articles and No. 4 suspension hooks are raise an end of large-sized object of the present invention, the lifting rope that shows No. 1 suspension hook and No. 2 suspension hooks can present relaxed state after hanging object further descends, for safety, further can lower body section by suspension hook this moment, can be until the lifting operating personal easily with No. 1, No. 2 suspension hooks and the first suspension ring E1, the second suspension ring E2 bonded assembly A lifting rope lower end joining shackle is untied, the weight that carry whole body section by No. 3 suspension hooks and No. 4 suspension hooks this moment;
5. two standby C lifting ropes are translated into the back side from the bottom of body section, No. 1 suspension hook and No. 2 suspension hooks of being in releasing orientation hang an idle standby end that draws two B lifting ropes by institute's bonded assembly A lifting rope, this moment No. 1 suspension hook and No. 2 suspension hooks to hang the lifting rope that draws be the A+B lifting rope, be connected by shackle between A lifting rope and the B lifting rope, state as shown in Figure 4 at this moment, Fig. 4 is that a kind of gauntry crane that utilizes of the present invention is to raise view before the load-bearing of back of No. 1 suspension hook in the method for hoisting and turning over large articles and No. 2 suspension hooks, and No. 1 suspension hook and No. 2 suspension hooks the weight that hoists simultaneously until the whole body section of carrying, this moment, this large-sized object still was the ground-surface state of near normal, unclamp A lifting rope and F1 on No. 3 suspension hooks and No. 4 suspension hooks, the connection of F2 suspension ring, as shown in figure 10, Figure 10 view after to be that the present invention is a kind of utilize gauntry crane to No. 3 suspension hooks among the method embodiment 2 of hoisting and turning over large articles and No. 4 suspension hook pine hooks, respectively be provided with an A lifting rope in No. 3 suspension hooks and No. 4 suspension hooks this moment;
No. 3 suspension hooks that 6. will unclamp and No. 4 suspension hooks move to the back side of body section simultaneously, distribute by No. 3 suspension hooks and two A lifting ropes on No. 4 suspension hooks and to be connected two C lifting ropes, as shown in figure 11, Figure 11 is that a kind of utilization of the present invention stood up preceding No. 3 suspension hooks among the method embodiment 2 of gauntry crane to hoisting and turning over large articles, No. 4 suspension hooks, A lifting rope and C lifting rope bonded assembly view, promote No. 3 suspension hooks and No. 4 suspension hooks gradually, reduce the height of No. 1 suspension hook and No. 2 suspension hooks simultaneously, make ship hull sectional turn-over, when body section is parallel to ground, No. 1 suspension hook, No. 2 suspension hooks, the weight that No. 3 suspension hooks and No. 4 suspension hooks evenly carry body section, be the A lifting rope with four suspension hooks directly link to each other in the lifting rope of this moment, two B lifting ropes and two C lifting ropes of connecting A lifting rope and suspension ring, as shown in figure 12, Figure 12 is that a kind of utilization of the present invention stood up the view that back four suspension hooks put in place and lift among the method embodiment 2 of gauntry crane to hoisting and turning over large articles.
Finish and stand up after the operation, reduce simultaneously No. 1, No. 2, No. 3 and No. 4 suspension hooks, make body section reduce height to the moulding bed place, as shown in figure 13, Figure 13 be the present invention a kind of utilize stand up among the method embodiment 2 of gauntry crane to hoisting and turning over large articles finish after the lifting view that descends of four suspension hooks.Aim at the position of moulding bed and body section, this body section is placed on the moulding bed, as shown in figure 14, Figure 14 is that a kind of gauntry crane that utilizes of the present invention stands up the view that back four suspension hooks are prepared loose hook to lifting among the method embodiment 2 of hoisting and turning over large articles, unclamp being connected of B lifting rope and C lifting rope and suspension ring, finish the lifting of whole body section and stand up work.
For the segmentation manufacturing in the ship building, the most frequently used is to utilize two kinds of example concrete operations steps that are included in said method to finish standing up of the straight segmentation of hull, reaches specific technology purpose.
Undoubtedly, a kind of gauntry crane that utilizes of the present invention can also have the other forms of deformation method that stands up according to method of the present invention to the method for hoisting and turning over large articles, its principle is load-bearing suspension ring, lifting rope, the suspension hook displacement replacement transformation approach of handling (dress) object, its method utilization is not limited to above-mentioned steps, also be not limited to simultaneously and stand up operation, operation such as can also be rotated.Generally speaking, main protection domain of the present invention also comprises other conspicuous for those skilled in the art conversion and substitutes.
Claims (5)
1. a method of utilizing gauntry crane to hoisting and turning over large articles is characterized in that this method comprises the steps:
1. weld respectively at four jiaos that place large-sized object on the moulding bed and fix suspension ring, have four suspension ring, be respectively the first suspension ring E1, the second suspension ring E2, the 3rd suspension ring F1, the 4th suspension ring F2, two corresponding lifting ropes all are set in each suspension ring, suspension ring are connected by shackle with lifting rope;
2. utilize gauntry crane No. 1, No. 2, the upper end that No. 3 and No. 4 four suspension hooks hang each lifting rope in four suspension ring of pull-up, this place's lifting rope is the A lifting rope, then four interior lifting ropes of suspension ring all have one to leave unused standby, wherein with No. 3 cooresponding the 3rd suspension ring F1 of suspension hook, with in No. 4 cooresponding the 4th suspension ring F2 of suspension hook idle standby be the B lifting rope, an idle end of two B lifting ropes also is connected respectively by shackle with the lower end of the interior A lifting rope of the second suspension ring E2 with the first suspension ring E1, with No. 1 cooresponding first suspension ring E1 of suspension hook, idle standby in No. 2 cooresponding second suspension ring E2 of suspension hook is the C lifting rope;
3. gauntry crane No. 1, No. 2, No. 3 and No. 4 four suspension hooks hang and widen type object level and promote certain altitude, and this highly is greater than the overall dimensions of large-sized object, the smooth implementation of the protection of object and operation when being convenient to implement to stand up operation;
4. reduce No. 1 suspension hook and No. 2 suspension hooks gradually, make an end of large-sized object reduce, it is motionless that the other end keeps, be the ground-surface state of near normal until this large-sized object, unclamp in No. 1 suspension hook and No. 2 suspension hooks being connected of two A lifting rope lower ends and the first suspension ring E1 and the second suspension ring E2, the weight of carrying whole large-sized object by No. 3 suspension hooks and No. 4 suspension hooks;
5. two C lifting ropes are translated into the back side from the bottom of large-scale object, No. 1 suspension hook and No. 2 suspension hooks that utilization is unclamped hang two standby B lifting ropes that draw in the 3rd suspension ring F1 and the 4th suspension ring F2, and hoist gradually until the weight of the whole large-sized object of carrying, unclamp the A lifting rope of No. 3 suspension hooks and No. 4 suspension hooks;
No. 3 suspension hooks that 6. will unclamp and No. 4 suspension hooks move to the back side of large-sized object, and utilize No. 3 suspension hooks and No. 4 suspension hooks to hang two standby C lifting ropes that draw in the first suspension ring E1 and the second suspension ring E2, promote No. 3 suspension hooks and No. 4 suspension hooks gradually, reduce No. 1 suspension hook and No. 2 suspension hooks simultaneously, large-sized object is stood up, when large-sized object is parallel to level ground, the weight that No. 1 suspension hook, No. 2 suspension hooks, No. 3 suspension hooks and No. 4 suspension hooks evenly carry large-sized object.
2. a kind of method of utilizing gauntry crane to hoisting and turning over large articles according to claim 1, it is characterized in that, hang with an A lifting rope respectively on No. 3 suspension hooks that described step is unclamped in 5. and No. 4 suspension hooks, the lower end of A lifting rope and the 3rd suspension ring F1 and the 4th suspension ring F2 are separated, step 6. in No. 3 suspension hooks be connected respectively with two A lifting ropes by shackle with two C lifting ropes with No. 4 suspension hooks, promptly have the A+C lifting rope between No. 3 suspension hooks and No. 4 suspension hooks and large-sized object.
3. a kind of method of utilizing gauntry crane to hoisting and turning over large articles according to claim 1, it is characterized in that, described step is unclamped by the upper end of No. 3 suspension hooks and No. 4 suspension hooks and A lifting rope in 5., cooresponding two A lifting ropes still are hung in the 3rd suspension ring F1 and the 4th suspension ring F2, step 6. in No. 3 suspension hooks directly be connected with two C lifting ropes with No. 4 suspension hooks, promptly between No. 3 suspension hooks and No. 4 suspension hooks and large-sized object the C lifting rope is arranged.
4. a kind of method of utilizing gauntry crane to hoisting and turning over large articles according to claim 1 is characterized in that, described large-sized object is the straight segmentation of cubic rectangle in the ship building or is approximate cubic rectangular section.
5. a kind of method of utilizing gauntry crane to hoisting and turning over large articles according to claim 1 is characterized in that, described gauntry crane or be twin beams four-hook gantry crane or for the single-beam four-hook gantry crane.
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| CN2008100424179A CN101357736B (en) | 2008-09-03 | 2008-09-03 | Method for hoisting and turning over large articles using frame crane |
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| CN2008100424179A CN101357736B (en) | 2008-09-03 | 2008-09-03 | Method for hoisting and turning over large articles using frame crane |
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| CN101357736A true CN101357736A (en) | 2009-02-04 |
| CN101357736B CN101357736B (en) | 2011-12-28 |
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