CN103663187B - Hoisting crane and standard knot thereof promote supernumerary segment system, standard knot promotes supernumerary segment method - Google Patents
Hoisting crane and standard knot thereof promote supernumerary segment system, standard knot promotes supernumerary segment method Download PDFInfo
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- CN103663187B CN103663187B CN201310653517.6A CN201310653517A CN103663187B CN 103663187 B CN103663187 B CN 103663187B CN 201310653517 A CN201310653517 A CN 201310653517A CN 103663187 B CN103663187 B CN 103663187B
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Abstract
The invention provides a kind of hoisting crane and standard knot lifting supernumerary segment system, standard knot lifting supernumerary segment method.Wherein standard knot lifting supernumerary segment system comprises: climbing support, climbing support is for being set in the tower body of hoisting crane, standard knot promotes supernumerary segment system and also comprises bont, bont comprises: fixed cross beam, fixed cross beam is arranged on climbing support, and fixed cross beam has the first connection structure for being removably connected with tower body; Piston cylinder, the lower end of piston cylinder is connected with fixed cross beam; And moved cross beam, moved cross beam is connected to the upper end of piston cylinder, and moved cross beam has the second connection structure for being removably connected with tower body.Technical scheme of the present invention can improve the stressing conditions that installation process Plays joint promotes supernumerary segment system, improves installation effectiveness.
Description
Technical field
The present invention relates to engineering machinery field, promote supernumerary segment system in particular to a kind of hoisting crane and standard knot thereof, standard knot promotes supernumerary segment method.
Background technology
Hoisting crane needs the standard knot of some to assemble formation tower body successively along direction from bottom to up when vertical tower, need to utilize standard knot to promote supernumerary segment system import standard knot to be installed in assembling process.As Fig. 1 to 4, show the partial schematic diagram of tower body 20 ', it comprises three stacked up and down standard knots 21 ', the top of a uppermost standard knot 21 ' is removably connected with topside 10 ', topside 10 ' comprises undersetting, pivoting support and upper bracket, standard knot promotes supernumerary segment system and comprises climbing support 30 ' and jacking apparatus 40 ', wherein climbing support 30 ' is set on tower body 20 ', climbing support 30 ' has roller 31 ', and roller 31 ' is tangent with the outside face of tower body 20 ', jacking apparatus 40 ' comprises fixed cross beam 41 ', piston cylinder 42 ' and moved cross beam 43 ', wherein fixed cross beam 41 ' is arranged on climbing support 30 ', the two ends of fixed cross beam 41 ' are respectively arranged with the first lock piece 412 ', first lock piece 412 ' is removably connected with tower body 20 ', fixed cross beam 41 ' is positioned at the top of piston cylinder 42 ' and is connected with the cylinder barrel 422 ' of piston cylinder 42 ', moved cross beam 43 ' is positioned at the below of piston cylinder 42 ' and is connected with the piston rod 421 ' of piston cylinder 42 ', moved cross beam 43 ' two ends are connected to the second lock piece 432 ', second lock piece 432 ' is removably connected with tower body 20 ', can by climbing support 30 ' jacking to certain altitude by jacking apparatus 40 ', make to form installing space between climbing support 30 ' and the top of tower body 20 ', then a standard knot 21 ' to be installed is introduced in installing space, just itself and the uppermost standard knot 21 ' of tower body 20 ' can be assembled.The lifting guide support adding method concrete steps of standard knot comprise:
Step 1, remove the uppermost connection bearing pin between standard knot 21 ' and topside 10 ' of tower body 20 ';
Step 2, combine see Fig. 1, guarantee that the piston rod 421 ' of piston cylinder 42 ' is in retracted mode, the first lock piece 412 ' is separated with standard knot 21 ', then the second lock piece 432 ' is connected with tower body 20 ';
Step 3, combine see Fig. 2, actuating plunger bar 421 ' stretches out and puts in place, and climbing support 30 ' and topside 10 ' be the height of a stroke by jacking;
Step 4, the first lock piece 412 ' to be connected with tower body 20 ', then to make the second lock piece 432 ' be separated with tower body 20 ';
Step 5, combine see Fig. 3, actuating plunger bar 421 ' is retracted, and moved cross beam 43 ' is by the height of a lifting stroke;
Step 6,, combine see Fig. 4, according to step 2 to step 5 order repeatedly, until climbing support 30 ' by jacking to and a uppermost standard knot 21 ' of tower body 20 ' between form installing space slightly larger than a standard knot height, then standard knot 21 ' to be installed is introduced in installing space.
According to the lifting guide support adding method of current standard knot, piston rod 421 ' stretches out in process, the weight of climbing support 30 ' and topside 10 ' is supported by piston rod 421 ' completely, cause piston rod 421 ' that very large pressure will be born, therefore the stability of piston rod 421 ' will be taken into full account when designing oil cylinder stroke, thus make the piston rod 421 ' designed very slightly and very short, cause the single stroke of piston cylinder 42 ' shorter, needing repeatedly to repeat step 2 to step 5 like this could stroke installing space introduce a standard knot 21 ' to be installed, jacking process is comparatively loaded down with trivial details, efficiency is lower and waste time and energy.
Summary of the invention
The present invention aims to provide a kind of hoisting crane and standard knot promotes supernumerary segment system, standard knot promotes supernumerary segment method, can improve the stressing conditions that installation process Plays joint promotes supernumerary segment system, improve installation effectiveness.
To achieve these goals, according to an aspect of the present invention, provide a kind of standard knot and promote supernumerary segment system, comprise climbing support, climbing support is for being set in the tower body of hoisting crane, and standard knot promotes supernumerary segment system and also comprises bont, and bont comprises: fixed cross beam, fixed cross beam is arranged on climbing support, and fixed cross beam has the first connection structure for being removably connected with tower body; Piston cylinder, the lower end of piston cylinder is connected with fixed cross beam; And moved cross beam, moved cross beam is connected to the upper end of piston cylinder, and moved cross beam has the second connection structure for being removably connected with tower body.
Further, standard knot lifting supernumerary segment system has lifting state and jacking state; Under lifting state, moved cross beam is connected on tower body by the second connection structure, and the first connection structure of fixed cross beam is not connected with tower body; Under jacking state, fixed cross beam is connected on tower body by the first connection structure, and the second connection structure of moved cross beam is not connected with tower body.
Further, tower body comprises the multiple standard knots arranged along the vertical direction, and each standard knot in multiple standard knot has the multiple location divisions arranged along the vertical direction; Fixed cross beam comprises fixed beam body and the first lock piece, fixed beam body is fixed on climbing support and with the lower end of piston cylinder and is connected, and the first lock piece to be arranged on pivotly on fixed beam body as the first connection structure and selectively to coordinate with any one location division in multiple location division; Under jacking state, the first lock piece is switched on the location division that is fixedly connected on and matches.
Further, the first lock piece is concave structure, and concave structure has movable end and pivot joint end; Under jacking state, movable end is pressed on the location division of matching regularly, and fixed beam body is arranged in the recess of concave structure.
Further, tower body comprises the multiple standard knots arranged along the vertical direction, and each standard knot in multiple standard knot has the multiple location divisions arranged along the vertical direction; Moved cross beam comprises portable beam body and the second lock piece, and portable beam body is connected to the upper end of piston cylinder, and the second lock piece to be arranged on portable beam body as the second connection structure and selectively to coordinate with any one location division in multiple location division; Under lifting state, the second lock piece is fixedly connected on the location division of matching.
Further, the second lock piece has groove, and under lifting state, the location division of matching with the second lock piece is embedded in a groove regularly, and is located by locating dowel pin.
Further, fixed cross beam is connected on the cylinder barrel of piston cylinder, and moved cross beam is connected on the piston rod of piston cylinder; Standard knot promotes supernumerary segment system and also comprises supporting traverse, supporting traverse is fixed on climbing support and corresponding to the cylinder barrel of piston cylinder and arranges, first connection structure is connected with tower body and under the second connection structure and the unconnected state of tower body, the cylinder barrel of piston cylinder is pressed on the medial surface of supporting traverse.
According to a further aspect in the invention, provide a kind of hoisting crane, comprising: topside; Tower body, the top of tower body is removably connected with topside; And standard knot promotes supernumerary segment system; It is that aforesaid standard knot promotes supernumerary segment system that standard knot promotes supernumerary segment system, and the climbing support that standard knot promotes supernumerary segment system to be set on tower body and to be fixedly connected with topside.
According to a further aspect in the invention, provide a kind of standard knot and promote supernumerary segment method, the standard knot that standard knot promotes supernumerary segment method application of aforementioned promotes supernumerary segment system, and standard knot promotes supernumerary segment method and comprises the following steps: S100, the connection structure of dismantling between tower body and the topside of hoisting crane; S300, the first connection structure of fixed cross beam is connected on tower body, the second connection structure of moved cross beam is not connected with tower body, then by piston cylinder, moved cross beam jacking is put in place; S500, the second connection structure of moved cross beam is connected on tower body, the first connection structure of fixed cross beam is not connected with tower body, by piston cylinder climbing support and fixed cross beam promoted and put in place; S700, between the top and climbing support of tower body, form installing space, standard knot to be installed is introduced installing space and is fixedly connected with the top of tower body and topside.
Further, in step S700, between the top and climbing support of tower body, form installing space, standard knot to be installed is introduced installing space and further comprising the steps of before being fixedly connected with the top of tower body and topside: S600, repeat N time according to the order of step S300 to step S500, wherein N be more than or equal to 1 natural number.
Apply technical scheme of the present invention, original jacking apparatus is changed into bont, make climbing support by rely on piston cylinder upwards jacking change into rely on piston cylinder upwards draw high, what climbing support and topside caused piston cylinder is larger pulling force, middle climbing support and topside apply larger pressure to piston cylinder compared to existing technology, the stressing conditions of piston cylinder can be improved, the stability of abundant raising piston cylinder entirety, the stroke of piston cylinder can corresponding increase to reduce the number of times of bont circulating motion, improve the installation effectiveness of standard knot.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows according to the climbing support of prior art by the schematic diagram before jacking;
Fig. 2 shows and stretches out with the schematic diagram of jacking climbing support according to the piston rod of prior art;
Fig. 3 shows the schematic diagram regained according to the piston rod of prior art;
Fig. 4 to show according to the climbing support of prior art by jacking to the schematic diagram forming installing space;
Fig. 5 shows the schematic diagram that standard knot lifting supernumerary segment system according to an embodiment of the invention matches with standard knot;
Fig. 6 shows according to the B of Fig. 5 to schematic diagram;
Fig. 7 shows the schematic diagram be separated with standard knot according to first lock piece of Fig. 6;
Fig. 8 shows according to the A of Fig. 5 to schematic diagram;
Fig. 9 shows the C place enlarged drawing according to Fig. 8;
Figure 10 shows piston rod according to an embodiment of the invention and stretches out and the schematic diagram be fixedly connected with standard knot;
Figure 11 shows the D place enlarged drawing according to Figure 10;
Figure 12 shows climbing support according to an embodiment of the invention by the schematic diagram before promoting;
Figure 13 shows the schematic diagram that piston rod according to an embodiment of the invention stretches out;
Figure 14 shows piston rod according to an embodiment of the invention and regains and the schematic diagram that upwards promotes of climbing support;
Figure 15 shows the schematic diagram that piston rod according to an embodiment of the invention stretches out again; And
Figure 16 shows climbing support according to an embodiment of the invention and is promoted to the schematic diagram forming installing space.
Detailed description of the invention
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Fig. 5 to Figure 11, according to embodiments of the invention, provide a kind of standard knot and promote supernumerary segment system, for the installation of the tower body 20 of hoisting crane, wherein tower body 20 comprises the multiple standard knots 21 arranged along the vertical direction, each standard knot 21 has the multiple location divisions 211 arranged along the vertical direction, and in multiple standard knot 21, topmost the top of a standard knot 21 is removably connected with the topside 10 of hoisting crane.In conjunction with see Fig. 5, Fig. 6, Fig. 8 and Figure 10, this standard knot promotes supernumerary segment system and comprises climbing support 30 and bont 40, wherein climbing support 30 be set in hoisting crane tower body 20 on and be fixedly connected with the topside 10 of hoisting crane; Bont 40 comprises fixed cross beam 41, piston cylinder 42 and moved cross beam 43, wherein fixed cross beam 41 to be arranged on climbing support 30 and to be connected to the lower end of piston cylinder 42, fixed cross beam 41 has the first connection structure, and the first connection structure is removably connected with tower body 20; Moved cross beam 43 is connected to the upper end of piston cylinder 42, and moved cross beam 43 has the second connection structure, and the second connection structure is removably connected with tower body 20.
According to the present embodiment, when tower body 20 increases standard knot 21, standard knot promotes supernumerary segment system and has two kinds of mode of operations, namely state and jacking state is promoted, wherein under lifting state, moved cross beam 43 is connected on tower body 20 by the second connection structure, and the first connection structure of fixed cross beam 41 is not connected with tower body 20, upwards promotes fixed cross beam 41 and climbing support 30 by piston cylinder 42; Under jacking state, fixed cross beam 41 is connected on tower body 20 by the first connection structure, and the second connection structure of moved cross beam 43 is not connected with tower body 20, piston cylinder 42 just upwards jack-up moved cross beam 43.Therefore, in standard knot 21 supernumerary segment process, the upward movement of climbing support 30 is that the pulling force relying on piston cylinder 42 to give realizes.And in prior art shown in Fig. 1 to Fig. 4, the upward movement of climbing support 30 ' needs to rely on piston cylinder 42 ' upwards to shore and could realize, climbing support 30 ' and the topside 10 ' be positioned at above climbing support 30 ' give piston cylinder 42 ' very large pressure, easily cause piston cylinder 42 ' unstable properties, in order to overcome this problem, piston cylinder 42 ' all can do very short very thick, to improve its rigidity, stability after improving pressurized, the consequence directly caused is exactly the movement travel shortening of piston cylinder 42 ', climbing support 30 ' just can be made to rise to desired location after needing repeatedly jacking circulation, process is comparatively loaded down with trivial details, vertical tower process is time-consuming longer, efficiency is lower and labour intensity is higher, also easily cause the danger of roof fall.The present embodiment changes jacking apparatus 40 ' into bont 40, the rising of climbing support 30 relies on piston cylinder 42 upwards to pull to realize, in supernumerary segment process, what climbing support 30 and topside 10 gave bont 40 is downward pulling force, the stability of piston cylinder 42 entirety fully can be improved compared to pressure, piston cylinder 42 correspondingly can increase stroke to reduce the number of times of circulating motion, and then raising raising efficiency, simplify installation steps, reduce labour intensity, and in lifting process, climbing support 30 is not easy roof fall, improves the safety performance of operation.
It should be noted that, in the present embodiment, the topside 10 of hoisting crane comprises undersetting, pivoting support and upper bracket, and climbing support 30 is specially and is fixedly connected with undersetting, and one, the top standard knot 21 of tower body 20 is specially and is removably connected with undersetting.
In addition, installing space refer to formed between the end face of the standard knot 21 in the top of tower body 20 and the bottom surface of topside 10, height a little more than a standard knot 21 height, a joint standard knot 21 can be held make this standard knot 21 be assembled in space between tower body 20 and topside 10.
Preferably, climbing support 30 is provided with roller 31, roller 31 is between climbing support 30 and standard knot 21, and roller 31 can play and support climbing support 30 and the effect reducing wearing and tearing.
In conjunction with see Fig. 5 to Fig. 7, preferably, fixed cross beam 41 comprises fixed beam body 411 and the first lock piece 412, wherein fixed beam body 411 be fixedly connected on climbing support 30 two chord members positioned opposite between and be connected to the lower end of piston cylinder 42, first lock piece 412 is arranged on fixed beam body 411 as the first connection structure, and the first lock piece 412 can with any one in multiple location division 211 selectively locking coordinate and also can be separated with it, to realize removably connecting of the first connection structure and tower body 20.
Further preferably, first lock piece 412 is arranged on fixed beam body 411 by pivotal axis rotationally, promote the jacking state of supernumerary segment system at standard knot under, first lock piece 412 to coordinating with location division 211 locking matched, makes fixed cross beam 41 relative with tower body 20 fixing around pivot axis.
Particularly, in conjunction with see Fig. 6 and Fig. 7, first lock piece 412 is concave structure, there is diapire and be connected to two sidewalls of the relative both sides of diapire, and between diapire and two sidewalls, enclose formation recess 415, one of them sidewall has pivot joint end 413, for wearing pivotal axis and being connected to fixed beam body 411; Another sidewall has movable end 414, for coordinating with location division 211 locking matched.
In conjunction with see Fig. 6, when needing the first lock piece 412 to be connected on tower body 20, first lock piece 412 rotates along the first circumferencial direction around pivotal axis, fixed beam body 411 is made to stick in the recess 415 of concave structure, movable end 414 is pressed on location division 211 regularly, is hung on location division 211 by the first lock piece 412.In conjunction with see Fig. 7, when needing the first lock piece 412 not to be connected with tower body 20, first lock piece 412 rotates along second circumferencial direction contrary with the first circumferencial direction around pivotal axis, and make fixed beam body 411 depart from the recess 415 of concave structure a little, movable end 414 departs from location division 211.
Preferably, the first lock piece 412 has two, is separately positioned on the opposite end of fixed beam body 411, can improve the fixed effect of the standard knot 21 of fixed beam body 411 and tower body 20.
In conjunction with see Fig. 8 to Figure 11, preferably, moved cross beam 43 comprises portable beam body 431 and the second lock piece 432, wherein portable beam body 431 is connected to the upper end of piston cylinder 42, second lock piece 432 is arranged on portable beam body 431 as the second connection structure, and the second lock piece 432 can with any one in multiple location division 211 selectively locking coordinate and also can be separated with it, to realize removably connecting of the second connection structure and tower body 20.
Further preferably, second lock piece 432 is arranged on portable beam body 431 by horizontally disposed pivotal axis rotationally, promote the lifting state of supernumerary segment system at standard knot under, second lock piece 432 to coordinating with location division 211 locking matched, makes moved cross beam 43 relative with tower body 20 fixing around horizontally disposed pivot axis.Pivotable connects makes the second lock piece 432 can carry out position adjustment as required, coordinates better with location division 211 locking.
Particularly, in conjunction with see Fig. 9 to Figure 11, the second lock piece 432 has groove, the opening of groove is towards tower body 20, when needing the second lock piece 432 to be connected on tower body 20, the location division 211 of matching fixedly is embedded in groove, and can by locating dowel pin 433 positioning instant.When needing the second lock piece 432 is not connected with tower body 20, the locating dowel pin 433 the second lock piece 432 is rotated an angle of dismantling, makes location division 211 depart from groove.
Preferably, the second lock piece 432 has two, is separately positioned on the opposite end of portable beam body 431, can improve the fixed effect of portable beam body 431 and tower body 20.
In the present embodiment, piston cylinder 42 as the drive element pulling climbing support 30 and topside 10 upward movement, structure simple, easy for installation and be convenient to control.Preferably, the cylinder barrel 422 of piston cylinder 42 is vertically arranged, the cylinder mouth of cylinder barrel 422 upward, the cylinder bottom of cylinder barrel 422 is connected with fixed cross beam 41 as the lower end of piston cylinder 42, the piston rod 421 of piston cylinder 42 can do vertically motion upwards to stretch out cylinder barrel 422 relative to cylinder barrel 422, or do vertically downward motion to be retracted in cylinder barrel 422 relative to cylinder barrel 422, coordinate the use of control cock, piston rod 421 optionally can stretch out to put in place or retract and put in place.Wherein, stretching out puts in place refers to that the piston rod 421 of piston cylinder 42 stretches out predetermined length under the effect of control cock outside cylinder barrel 422, and retracting puts in place refers to that the piston rod 421 of piston cylinder 42 is retracted predetermined length under the effect of control cock in cylinder barrel 422.Piston rod 421 is positioned at the outer end outside cylinder barrel 422 and is connected with moved cross beam 43 as the upper end of piston cylinder 42.
Preferably, piston cylinder 42 is oil cylinder, can with the hydraulic circuit of hoisting crane with the use of, be convenient to control.
Further preferably, the external independently hydraulic oil source 44 of oil cylinder, convenient control.Hydraulic oil source 44 can be the form of pumping plant, installs simple and convenient.
Piston cylinder 42 is stretching out and annexation under retraction two states and between tower body 20 is:
In conjunction with see Fig. 5 and Fig. 6, first lock piece 412 is connected on the location division 211 of matching, is pulled down by the second lock piece 432 from location division 211 after retracting and putting in place by piston rod 421, then actuating plunger bar 421 stretches out and puts in place, upwards jacking moved cross beam 43 to desired location.
In conjunction with see Figure 10 and Figure 11, after piston rod 421 stretches out and puts in place, second lock piece 432 is connected with the location division 211 of matching, first lock piece 412 is pulled down from location division 211, then actuating plunger bar 421 is retracted into position in cylinder barrel 422, and then pull fixed cross beam 41 to drive climbing support 30 vertically to move up to desired location, realize the lifting of fixed cross beam 41, climbing support 30 and topside 10.
When piston rod 421 completes after retraction puts in place-stretch out and put in place-retract and put in place, namely complete and once promote circulation, continue to repeat above-mentioned steps, until form installing space between climbing support 30 and topside 10.
In conjunction with see Fig. 8 and Figure 10, preferably, climbing support 30 is fixed with supporting traverse 50, between two chord members positioned opposite that supporting traverse 50 is fixedly connected on climbing support 30 and the cylinder barrel 422 corresponding to piston cylinder 42 arrange, when the first lock piece 412 to be connected with tower body 20 and the second lock piece 432 with under the unconnected state of tower body 20, cylinder barrel 422 can be resisted against on the medial surface of supporting traverse 50 slightly to outer incline angle [alpha] (general α is about 1 °), prevent piston cylinder 42 from upset by a relatively large margin occurring and climbing support 30 collides, and facilitate follow-up use.
In conjunction with see Figure 12 to Figure 16, according to a preferred embodiment of the invention, describe utilize standard knot to promote concrete steps that supernumerary segment system increases standard knot 21 on tower body 20 in detail, comprising:
The first step, carries out trim to hoisting crane;
Second step, pulls down the connection structure between one, the top standard knot 21 of tower body 20 and the topside 10 of hoisting crane, tower body 20 is separated with topside 10, confirms to be fixedly connected with between climbing support 30 and the topside 10 of hoisting crane;
3rd step, in conjunction with see Figure 12, the first lock piece 412 is confirmed to be connected on the location division 211 of the standard knot 21 of tower body 20, unconnected between the location division 211 of the standard knot 21 of the second lock piece 432 and tower body 20, the piston rod 421 of piston cylinder 42 is retracted and is put in place, and cylinder barrel 422 is resisted against on supporting traverse 50 toward outer incline (about 1 °) slightly;
4th step, in conjunction with see Figure 13, confirm errorless after, the piston rod 421 of piston cylinder 42 is stretched out, moved cross beam 43 is thereupon by upwards jack-up, when piston rod 421 stretch out put in place time moved cross beam 43 by jacking to desired location, then the direction of piston cylinder 42 toward tower body 20 is rotated and is left supporting traverse 50;
5th step, confirm the second lock piece 432 on moved cross beam 43 to be connected on corresponding location division 211, first lock piece 412 is not connected with the location division 211 of the standard knot 21 of tower body 20, shrink piston rod 421, make cylinder barrel 422 vertically upward movement pull climbing support 30 and topside 10, climbing support 30 and topside 10 are moved up by the guiding of roller 31 outside face along tower body 20, and put in place until piston rod 421 is retracted, climbing support 30 arrives desired location.
6th step, in conjunction with see Figure 15, after repeating N time according to the 3rd step to the step of the 5th step (N be more than or equal to 1 natural number), form installing space between one, the top standard knot 21 of now climbing support 30 and tower body 20, in conjunction with see Figure 16.
7th step, in conjunction with see Figure 16, introduces standard knot 21 to be installed in installing space, it is fixedly connected with a uppermost standard knot 21 of topside 10 and tower body 20 respectively.So far the supernumerary segment process of a standard knot 21 is completed.
Repeat the supernumerary segment that step 2 to step 7 can proceed other standards joint 21.
Certainly, in the ordinary course of things, by the restriction of piston cylinder 42 stroke, piston rod 421 retracts-stretches out-and the circulation primary of retracting cannot make to form installing space between one, the top standard knot 21 of climbing support 30 and tower body 20, needs circulation at least twice.
When climbing support 30 and topside 10 rise by this way, what the gravity of climbing support 30 and topside 10 was formed piston rod 421 is larger pulling force, mutually piston rod 421 bears larger pressure in prior art than ever, the present embodiment fully can improve the stability of piston cylinder 42, therefore the diameter of piston rod 421 can suitably be reduced, oversize piston cylinder 42 stroke, and then the motion cycle number of times reducing piston cylinder 42, improve raising efficiency.
In addition, by the mode of this lifting, when having formed installing space between climbing support 30 and topside 10, the piston rod 421 of piston cylinder 42 is in contraction state, even if now there is maloperation to be stretched out by piston rod 421, also two kinds of situations can only be had to occur, one is that promotion climbing support 30 and topside 10 move downward, another kind is that piston rod 421 protrudes upward oneself, climbing support 30 and topside 10 are not had any impact simultaneously, no matter in both of these case, which kind of occurs, the roller 31 of climbing support 30 all can not be made higher than the upper surface of the standard knot 21 in the top of tower body 20, and when having formed installing space between climbing support 30 and topside 10, even if there is maloperation to be stretched out by piston rod 421, the new standard knot 21 of introduction must be had to exist, the second lock piece 432 on moved cross beam 43 just has the location division 211 that can coordinate to hang, just can carry out next step operation, therefore the present embodiment fundamentally can stop the generation of roof fall phenomenon.
In prior art, when having formed installing space between climbing support 30 ' and topside 10 ', the piston rod 421 ' of piston cylinder 42 ' is regained, if now do not introduce standard knot 21 ' to be installed, but maloperation continues jacking, roller 31 ' then can be caused higher than the upper surface of a uppermost standard knot 21 ' of tower body 20 ', occur that roller 31 ' escapes from the situation of standard knot 21 ' track, cause the generation of climbing support 30 ' and topside 10 ' total collapse accident, therefore generally can notice that the standard knot 21 ' introduction is to be installed is front not by piston rod 421 ' completely retraction cylinder barrel 422 ', but be in the state of piston rod 421 ' being stretched out 90%, be exactly mainly prevent maloperation.But it is not very failure-free that such mode carrys out pre-anti-misoperation roof fall, once occur accident, consequence is hardly imaginable.Technical scheme of the present invention overcomes this defect of the prior art well, stops the generation of roof fall phenomenon.
Present invention also offers a kind of hoisting crane, comprise topside 10, tower body 20 and standard knot and promote supernumerary segment system, wherein tower body 20 comprises multiple standard knot 21 arranged along the vertical direction, wherein topmost a standard knot 21 is removably connected with topside 10, it is that aforesaid standard knot promotes supernumerary segment system that standard knot promotes supernumerary segment system, and the climbing support 30 that standard knot promotes supernumerary segment system to be set on tower body 20 and to be fixedly connected with topside 10.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
1, the generation of roof fall phenomenon in standard knot installation process is stopped;
2, compare the existing piston cylinder pressurized that utilizes and carry out jacking, technical scheme of the present invention utilizes the pulling force of piston cylinder to promote, good stability, and lift stroke is longer, and cycle number is less;
3, structure is simple, is convenient to reequip on original device basic, cost-saving.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a standard knot promotes supernumerary segment system, comprise climbing support (30), described climbing support (30), for being set in the tower body (20) of hoisting crane, is characterized in that, described standard knot promotes supernumerary segment system and also comprises bont (40), and described bont (40) comprising:
Fixed cross beam (41), described fixed cross beam (41) is arranged on described climbing support (30), and described fixed cross beam (41) has the first connection structure for being removably connected with described tower body (20);
Piston cylinder (42), the lower end of described piston cylinder (42) is connected with described fixed cross beam (41); And
Moved cross beam (43), described moved cross beam (43) is connected to the upper end of described piston cylinder (42), and described moved cross beam (43) has the second connection structure for being removably connected with described tower body (20).
2. standard knot according to claim 1 promotes supernumerary segment system, it is characterized in that, described standard knot promotes supernumerary segment system and has lifting state and jacking state;
Under described lifting state, described moved cross beam (43) is connected on described tower body (20) by described second connection structure, and described first connection structure of described fixed cross beam (41) is not connected with described tower body (20);
Under described jacking state, described fixed cross beam (41) is connected on described tower body (20) by described first connection structure, and described second connection structure of described moved cross beam (43) is not connected with described tower body (20).
3. standard knot according to claim 2 promotes supernumerary segment system, it is characterized in that,
Described tower body (20) comprises the multiple standard knots (21) arranged along the vertical direction, and each standard knot (21) in described multiple standard knot (21) has the multiple location divisions (211) arranged along the vertical direction;
Described fixed cross beam (41) comprises fixed beam body (411) and the first lock piece (412), described fixed beam body (411) is fixed on described climbing support (30) and goes up and be connected with the lower end of described piston cylinder (42), and described first lock piece (412) is arranged on described fixed beam body (411) pivotly as described first connection structure and goes up and selectively coordinate with any one location division (211) in described multiple location division (211);
Under described jacking state, described first lock piece (412) is switched on the described location division (211) that is fixedly connected on and matches.
4. standard knot according to claim 3 promotes supernumerary segment system, and it is characterized in that, described first lock piece (412) is concave structure, and described concave structure has movable end (414) and pivot joint end (413);
Under described jacking state, described movable end (414) is pressed on the described location division (211) of matching regularly, and described fixed beam body (411) is arranged in the recess (415) of described concave structure.
5. standard knot according to claim 2 promotes supernumerary segment system, it is characterized in that,
Described tower body (20) comprises the multiple standard knots (21) arranged along the vertical direction, and each standard knot (21) in described multiple standard knot (21) has the multiple location divisions (211) arranged along the vertical direction;
Described moved cross beam (43) comprises portable beam body (430) and the second lock piece (432), described portable beam body (430) is connected to the upper end of described piston cylinder (42), and described second lock piece (432) is arranged on described portable beam body (430) as described second connection structure and goes up and selectively coordinate with any one location division (211) in described multiple location division (211);
Under described lifting state, described second lock piece (432) is fixedly connected on the described location division (211) of matching.
6. standard knot according to claim 5 promotes supernumerary segment system, it is characterized in that, described second lock piece (432) has groove, under described lifting state, the described location division (211) of matching with described second lock piece (432) is embedded regularly in described groove, and by locating dowel pin (433) location.
7. standard knot according to claim 1 promotes supernumerary segment system, it is characterized in that,
Described fixed cross beam (41) is connected on the cylinder barrel (422) of described piston cylinder (42), and described moved cross beam (43) is connected on the piston rod (421) of described piston cylinder (42);
Described standard knot promotes supernumerary segment system and also comprises supporting traverse (50), described supporting traverse (50) is fixed on described climbing support (30) and goes up and described cylinder barrel (422) setting corresponding to described piston cylinder (42), described first connection structure is connected with described tower body (20) and under described second connection structure and described tower body (20) unconnected state, the described cylinder barrel (422) of described piston cylinder (42) is pressed on the medial surface of described supporting traverse (50).
8. a hoisting crane, comprising:
Topside (10);
Tower body (20), the top of described tower body (20) is removably connected with described topside (10); And
Standard knot promotes supernumerary segment system;
It is characterized in that, described standard knot promotes the standard knot of supernumerary segment system according to any one of claim 1 to 7 and promotes supernumerary segment system, and the described climbing support (30) of described standard knot lifting supernumerary segment system is set in described tower body (20) and goes up and be fixedly connected with described topside (10).
9. standard knot promotes a supernumerary segment method, it is characterized in that, described standard knot promotes supernumerary segment method application rights and requires that the standard knot according to any one of 1 to 7 promotes supernumerary segment system, and described standard knot promotes supernumerary segment method and comprises the following steps:
Connection structure between the topside (10) of S100, dismantle described tower body (20) and described hoisting crane;
S300, described first connection structure of described fixed cross beam (41) is connected on described tower body (20), described second connection structure of described moved cross beam (43) is not connected with described tower body (20), then by described piston cylinder (42), described moved cross beam (43) jacking is put in place;
S500, described second connection structure of described moved cross beam (43) is connected on described tower body (20), described first connection structure of described fixed cross beam (41) is not connected with described tower body (20), by described piston cylinder (42), described climbing support (30) and described fixed cross beam (41) lifting is put in place;
S700, between the top of described tower body (20) and described climbing support (30), form installing space, standard knot (21) to be installed is introduced described installing space and is fixedly connected with the top of described tower body (20) and described topside (10).
10. standard knot according to claim 9 promotes supernumerary segment method, it is characterized in that, in step S700, between the top of described tower body (20) and described climbing support (30), form installing space, standard knot (21) to be installed introduced described installing space and further comprising the steps of before being fixedly connected with the top of described tower body (20) and described topside (10):
S600, repeat N time according to the order of step S300 to step S500, wherein N be more than or equal to 1 natural number.
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| CN201310653517.6A CN103663187B (en) | 2013-12-05 | 2013-12-05 | Hoisting crane and standard knot thereof promote supernumerary segment system, standard knot promotes supernumerary segment method |
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| CN201310653517.6A CN103663187B (en) | 2013-12-05 | 2013-12-05 | Hoisting crane and standard knot thereof promote supernumerary segment system, standard knot promotes supernumerary segment method |
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| CN115490164A (en) * | 2022-09-22 | 2022-12-20 | 徐州建机工程机械有限公司 | Anti-falling structure and anti-falling method for climbing process of tower crane and tower crane |
| CN116873790A (en) * | 2023-07-10 | 2023-10-13 | 四川锦城建筑机械有限责任公司 | Device for simultaneously jacking two sides of tower crane |
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