CN103663187A - Crane, standard knot lifting and adding system thereof and standard knot lifting and adding method - Google Patents

Crane, standard knot lifting and adding system thereof and standard knot lifting and adding method Download PDF

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Publication number
CN103663187A
CN103663187A CN201310653517.6A CN201310653517A CN103663187A CN 103663187 A CN103663187 A CN 103663187A CN 201310653517 A CN201310653517 A CN 201310653517A CN 103663187 A CN103663187 A CN 103663187A
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China
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tower
standard knot
fixed
supernumerary segment
connection
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CN201310653517.6A
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CN103663187B (en
Inventor
戴苗
朱守寨
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Priority to CN201310653517.6A priority Critical patent/CN103663187B/en
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Abstract

The invention provides a crane, a standard knot lifting and adding system thereof and a standard knot lifting and adding method. The standard knot lifting and adding system includes a climbing frame, the climbing frame is used for sleeving the crane tower body, the standard knot lifting and adding system also includes a lifting device, the lifting device comprises: a fixed cross beam, a piston cylinder and a movable cross beam, the fixed cross beam is arranged on the climbing frame, the fixed cross beam is provided with a first connecting structure used for in detachable connection with the crane tower body, the lower end of the piston cylinder is connected with the fixed cross beam, the movable cross beam is connected with the upper end of the piston cylinder, and the movable cross beam is provided with a second connecting structure used for in detachable connection with the crane tower body. The technical scheme of the crane can improve force conditions of the standard knot lifting and adding system in an installation process and improve the installation efficiency.

Description

Hoisting crane and standard knot thereof promote supernumerary segment system, standard knot promotes supernumerary segment method
Technical field
The present invention relates to engineering machinery field, in particular to a kind of hoisting crane and standard knot thereof, promote supernumerary segment system, standard knot lifting supernumerary segment method.
Background technology
Hoisting crane need to be assembled successively formation tower body along direction from bottom to up by the standard knot of some when vertical tower, needs 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 upper and lower three stacked 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 ', the 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 with respectively the second lock piece 432 ', the second lock piece 432 ' is removably connected with tower body 20 ', can be 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 to be installed 21 ' 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 bearing pin that is connected between the uppermost standard knot 21 ' of tower body 20 ' and topside 10 ';
Step 2, combination, referring to Fig. 1, guarantee that the piston rod 421 ' of piston cylinder 42 ' is in retracted mode, make the first lock piece 412 ' separated with standard knot 21 ', then the second lock piece 432 ' are connected with tower body 20 ';
Step 3, in conjunction with referring to Fig. 2, actuating plunger bar 421 ' stretches out and puts in place, climbing support 30 ' and topside 10 ' by jacking the height of a stroke;
Step 4, the first lock piece 412 ' is connected with tower body 20 ', then makes the second lock piece 432 ' separated with tower body 20 ';
Step 5, combination are referring to Fig. 3, and actuating plunger bar 421 ' is retracted, and moved cross beam 43 ' is raised the height of a stroke;
Step 6,, in conjunction with referring to Fig. 4, according to step 2 to the order of step 5 repeatedly, until climbing support 30 ' by jacking to and the uppermost standard knot 21 ' of tower body 20 ' between form the installing space that is slightly larger than a standard knot height, then standard knot to be installed 21 ' 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 ' will bear very large pressure, therefore when design oil cylinder stroke, to take into full account the stability of piston rod 421 ', thereby make the piston rod 421 ' designed very thick and very short, cause the single stroke of piston cylinder 42 ' shorter, need repeatedly like this repeating step 2 to step 5 ability installing space of stroke and 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, improves installation effectiveness.
To achieve these goals, according to an aspect of the present invention, provide a kind of standard knot to 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 a plurality of standard knots of arranging along the vertical direction, and each standard knot in a plurality of standard knots has a plurality of location divisions of arranging 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 is arranged on pivotly on fixed beam body and with any one location division in a plurality of location divisions and selectively coordinates as the first connection structure; Under jacking state, the first lock piece is switched to and is fixedly connected on the location division of matching.
Further, the first lock piece is concave structure, and concave structure has movable end and pivotable coupling 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 a plurality of standard knots of arranging along the vertical direction, and each standard knot in a plurality of standard knots has a plurality of location divisions of arranging 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 is arranged on portable beam body and with any one location division in a plurality of location divisions and selectively coordinates as the second connection structure; 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 groove regularly, and locates 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 setting of piston cylinder, the first connection structure be connected with tower body and the second connection structure and the unconnected state of tower body under, 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, having comprised: 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 of standard knot lifting supernumerary segment system is set on tower body and with topside and is fixedly connected with.
According to a further aspect in the invention, provide a kind of standard knot to 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 are promoted and put in place; S700, between the top of tower body and climbing support, form installing space, standard knot to be installed is introduced to installing space and is fixedly connected with top and the topside of tower body.
Further, at step S700, form installing space between the top of tower body and climbing support, standard knot to be installed is introduced to installing space and be fixedly connected with the top of tower body and topside before further comprising the steps of: S600, according to step S300, to the order of step S500, repeat N time, wherein N is 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 relying on the piston cylinder jacking that makes progress to change into and rely on piston cylinder upwards to draw high, what climbing support and topside caused piston cylinder is larger pulling force, middle climbing support and topside apply compared with large pressure piston cylinder compared to existing technology, can improve the stressing conditions of piston cylinder, fully improve the stability of piston cylinder integral body, 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 that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic diagram before by jacking according to the climbing support of prior art;
Fig. 2 shows according to the piston rod of prior art and stretches out the schematic diagram with jacking climbing support;
Fig. 3 shows the schematic diagram of regaining according to the piston rod of prior art;
Fig. 4 shows according to the climbing support of prior art by jacking to the schematic diagram that forms installing space;
Fig. 5 shows standard knot according to an embodiment of the invention and promotes the schematic diagram that supernumerary segment system matches with standard knot;
Fig. 6 shows according to the B of Fig. 5 to schematic diagram;
Fig. 7 shows the schematic diagram separated with standard knot according to the 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 the schematic diagram that piston rod stretches out and is fixedly connected with standard knot according to an embodiment of the invention;
Figure 11 shows the D place enlarged drawing according to Figure 10;
Figure 12 shows climbing support according to an embodiment of the invention and is raised front schematic diagram;
Figure 13 shows the schematic diagram that piston rod stretches out according to an embodiment of the invention;
Figure 14 shows the schematic diagram that piston rod is regained and climbing support upwards promotes according to an embodiment of the invention;
Figure 15 shows the schematic diagram that piston rod stretches out again according to an embodiment of the invention; And
Figure 16 shows climbing support according to an embodiment of the invention and is promoted to the schematic diagram that forms installing space.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Fig. 5 to Figure 11, according to embodiments of the invention, provide a kind of standard knot to promote supernumerary segment system, be used for the installation of the tower body 20 of hoisting crane, wherein tower body 20 comprises a plurality of standard knots 21 of arranging along the vertical direction, each standard knot 21 has a plurality of location divisions 211 of arranging along the vertical direction, and in a plurality of standard knots 21, the top of a standard knot 21, the top and the topside of hoisting crane 10 are removably connected.In conjunction with referring to Fig. 5, Fig. 6, Fig. 8 and Figure 10, this standard knot promotes supernumerary segment system and comprises climbing support 30 and bont 40, and wherein climbing support 30 is set on the tower body 20 of hoisting crane and is 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 is arranged on climbing support 30 and is 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, while increasing standard knot 21 on tower body 20, standard knot promotes supernumerary segment system and has two kinds of mode of operations, promote state and jacking state, 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, by piston cylinder 42, upwards promotes fixed cross beam 41 and climbing support 30; 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, and piston cylinder 42 is the jack-up moved cross beam 43 that makes progress.Therefore,, in standard knot 21 supernumerary segment processes, the upward movement of climbing support 30 is to rely on the pulling force that piston cylinder 42 gives to realize.And in the prior art shown in Fig. 1 to Fig. 4, the upward movement of climbing support 30 ' need to rely on piston cylinder 42 ' upwards to shore and could realize, climbing support 30 ' and the topside 10 ' that is positioned at climbing support 30 ' top give the pressure that piston cylinder 42 ' is very large, easily cause piston cylinder 42 ' unstable properties, in order to overcome this problem, piston cylinder 42 ' all can be done very short very slightly, to improve its rigidity, improve pressurized stability afterwards, the consequence directly causing is exactly the movement travel shortening of piston cylinder 42 ', need just can make climbing support 30 ' rise to desired location after 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, than pressure, can fully improve the stability of piston cylinder 42 integral body, piston cylinder 42 can correspondingly 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, improved 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 with undersetting and is fixedly connected with, and one of the top standard knot 21 of tower body 20 is specially with undersetting and is removably connected.
In addition, installing space refer between the end face of the standard knot 21 in the top of tower body 20 and the bottom surface of topside 10, form, height a little more than the height of a standard knot 21, can hold a joint standard knot 21 and make this standard knot 21 be assembled in the space between tower body 20 and topside 10.
Preferably, be provided with roller 31 on climbing support 30, roller 31 is between climbing support 30 and standard knot 21, and roller 31 can play the effect of supporting climbing support 30 and reducing wearing and tearing.
In conjunction with referring to 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 is fixedly connected between two chord members of positioned opposite of climbing support 30 and is connected to the lower end of piston cylinder 42, the first lock piece 412 is arranged on fixed beam body 411 as the first connection structure, and the first lock piece 412 can with in a plurality of location divisions 211 any one selectively locking coordinate also can be separated with it, to realize removably connecting of the first connection structure and tower body 20.
Further preferably, the first lock piece 412 is arranged on fixed beam body 411 rotationally by pivotal axis, at standard knot, promote under the jacking state of supernumerary segment system, the first lock piece 412 turns to a location division 211 lockings that match and coordinates around pivotal axis, makes fixed cross beam 41 relative with tower body 20 fixing.
Particularly, in conjunction with referring to Fig. 6 and Fig. 7, the first lock piece 412 is concave structure, two sidewalls that there is diapire and be connected to the relative both sides of diapire, and between diapire and two sidewalls, enclose and form recess 415, one of them sidewall has pivotable coupling end 413, for wearing pivotal axis and being connected to fixed beam body 411; Another sidewall has movable end 414, for location division 211 lockings with matching, coordinates.
In conjunction with referring to Fig. 6, while needing the first lock piece 412 to be connected on tower body 20, the first lock piece 412 rotates along the first circumferencial direction around pivotal axis, fixed beam body 411 is sticked in the recess 415 of concave structure, movable end 414 is pressed on location division 211 regularly, and the first lock piece 412 is hung on location division 211.In conjunction with referring to Fig. 7, when the first lock piece 412 need to be connected with tower body 20, the first lock piece 412 rotates along second circumferencial direction contrary with the first circumferencial direction around pivotal axis, makes fixed beam body 411 depart from a little the recess 415 of concave structure, and 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 referring to 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, the second lock piece 432 is arranged on portable beam body 431 as the second connection structure, and the second lock piece 432 can with in a plurality of location divisions 211 any one selectively locking coordinate also can be separated with it, to realize removably connecting of the second connection structure and tower body 20.
Further preferably, the second lock piece 432 is arranged on fixed beam body 411 rotationally by horizontally disposed pivotal axis, at standard knot, promote under the lifting state of supernumerary segment system, the second lock piece 432 turns to a location division 211 lockings that match and coordinates around horizontally disposed pivotal axis, makes moved cross beam 43 relative with tower body 20 fixing.Pivotable connects makes the second lock piece 432 can carry out as required position adjustment, coordinates better with location division 211 lockings.
Particularly, in conjunction with referring to Fig. 9 to Figure 11, the second lock piece 432 has groove, the opening of groove is towards tower body 20, in the time of need to the second lock piece 432 being connected on tower body 20, the location division of matching 211 be fixedly embedded in groove, and can by locating dowel pin 433 positioning instants.In the time of need to making the second lock piece 432 not be connected with tower body 20, the locating dowel pin 433 the second lock piece 432 is rotated to an angle of dismantling, makes location division 211 depart from grooves.
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 is as the drive element that pulls climbing support 30 and topside 10 upward movements, simple in structure, easy for installation and be convenient to control.Preferably, the cylinder barrel 422 of piston cylinder 42 vertically arranges, 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 be done the motion that vertically makes progress to stretch out cylinder barrel 422 with respect to cylinder barrel 422, or do vertically downward motion to be retracted in cylinder barrel 422 with respect to cylinder barrel 422, and coordinating the use of control cock, piston rod 421 can optionally stretch out and 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, the piston rod 421 that retracting puts in place refers to piston cylinder 42 under the effect of control cock to the predetermined length of the interior retraction of cylinder barrel 422.Piston rod 421 is positioned at 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 be used in conjunction with the hydraulic circuit of hoisting crane, is 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 stretch out and retraction two states under and annexation between tower body 20 be:
In conjunction with referring to Fig. 5 and Fig. 6, piston rod 421 is connected to the first lock piece 412 on the location division 211 of matching after retracting and putting in place, and the second lock piece 432 211 is pulled down from location division, then actuating plunger bar 421 stretches out and puts in place, and upwards jacking moved cross beam 43 is to desired location.
In conjunction with referring to Figure 10 and Figure 11, after piston rod 421 stretches out and puts in place, the second lock piece 432 is connected with the location division 211 of matching, the first lock piece 412 211 is pulled down from location division, 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.
After piston rod 421 completes that retracting puts in place-stretch out and puts in place-retracts and puts in place, complete and once promote circulation, continue repetition above-mentioned steps, until form installing space between climbing support 30 and topside 10.
In conjunction with referring to Fig. 8 and Figure 10, preferably, on climbing support 30, be fixed with supporting traverse 50, supporting traverse 50 is fixedly connected between two chord members of positioned opposite of climbing support 30 and arranges corresponding to the cylinder barrel 422 of piston cylinder 42, when the first lock piece 412 be connected with tower body 20 and the second lock piece 432 and the unconnected state of tower body 20 under, cylinder barrel 422 can an outward-dipping a little angle [alpha] (general α is about 1 °) and be resisted against on the medial surface of supporting traverse 50, prevent that upset and climbing support 30 that piston cylinder 42 occurs by a relatively large margin from bumping, and facilitate follow-up use.
In conjunction with referring to Figure 12 to Figure 16, according to a preferred embodiment of the invention, describe in detail and utilize standard knot to promote supernumerary segment system to the concrete steps that increase standard knot 21 on tower body 20, comprising:
The first step, carries out trim to hoisting crane;
Second step, pulls down the connection structure between one of the top of tower body 20 standard knot 21 and the topside 10 of hoisting crane, makes tower body 20 separated with topside 10, confirms to be fixedly connected with between the topside 10 of climbing support 30 and hoisting crane;
The 3rd step, in conjunction with referring to Figure 12, confirmation is connected to the first lock piece 412 on the location division 211 of standard knot 21 of tower body 20, between the location division 211 of the standard knot 21 of the second lock piece 432 and tower body 20, be unconnected, 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;
The 4th step, in conjunction with referring to Figure 13, confirm errorless after, the piston rod of piston cylinder 42 421 is stretched out, moved cross beam 43 is thereupon by the jack-up that makes progress, when piston rod 421 stretch out while putting in place moved cross beam 43 by jacking to desired location, then piston cylinder 42 is rotated and leaves supporting traverse 50 toward the direction of tower body 20;
The 5th step, confirmation is connected to the second lock piece 432 on moved cross beam 43 on corresponding location division 211, the 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 vertically upward movement pull climbing support 30 and topside 10 of cylinder barrel 422, climbing support 30 and topside 10 guiding by roller 31 moves up along the outside face of tower body 20, until piston rod 421 is retracted, puts in place, and climbing support 30 arrives desired locations.
The 6th step, in conjunction with referring to Figure 15, according to the step of the 3rd step to the five steps, repeat N time after (N is more than or equal to 1 natural number), now between one of the top standard knot 21 of climbing support 30 and tower body 20, form installing space, in conjunction with referring to Figure 16.
The 7th step in conjunction with referring to Figure 16, is introduced standard knot to be installed 21 in installing space, and it is fixedly connected with a uppermost standard knot 21 of topside 10 and tower body 20 respectively.So far complete the supernumerary segment process of a standard knot 21.
Repeating step two to step 7 can be proceeded the supernumerary segment of other standards joint 21.
Certainly, in the ordinary course of things, being subject to the restriction of piston cylinder 42 strokes, piston rod 421 retracts-stretches out-and the circulation primary of retracting is cannot make to form installing space between one of the top standard knot 21 of climbing support 30 and tower body 20, needs to circulate at least twice.
When climbing support 30 and topside 10 rise by this way, what the gravity of climbing support 30 and topside 10 formed piston rod 421 is larger pulling force, compare in the past piston rod 421 in prior art and bear larger pressure, the present embodiment can fully improve the stability of piston cylinder 42, therefore can suitably reduce the diameter of piston rod 421, oversize piston cylinder 42 strokes, and then the motion cycle number of times of minimizing 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 having maloperation stretches out piston rod 421, also can only there be two kinds of situations to occur, a kind of 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 which kind of generation in both of these case, can not make the roller 31 of climbing support 30 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 having maloperation stretches out piston rod 421, must there is the new standard knot 21 of introduction 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, so the present embodiment can fundamentally be stopped 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 to be installed 21, but maloperation continues jacking, can cause that roller 31 is higher than the upper surface of a uppermost standard knot 21 of tower body 20, appearance roller 31 is escaped from the situation of standard knot 21 tracks, cause the generation of climbing support 30 and topside 10 total collapse accidents, so in the cylinder barrel 422 of generally can noting piston rod 421 not being retracted completely before introducing standard knot 21 to be installed, but in piston rod 421 being stretched out to 90% state, be exactly mainly to prevent maloperation.Yet it is not failure-free very that such mode is carried out pre-anti-misoperation roof fall, once the accident of occurring, consequence is hardly imaginable.Technical scheme of the present invention has overcome this defect of the prior art, the generation of stopping roof fall phenomenon well.
The present invention also provides a kind of hoisting crane, comprise that topside 10, tower body 20 and standard knot promote supernumerary segment system, wherein tower body 20 comprises a plurality of standard knots 21 of arranging 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 of standard knot lifting supernumerary segment system is set on tower body 20 and with topside 10 and is fixedly connected with.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
1, stop the generation of roof fall phenomenon in standard knot installation process;
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, simple in structure, be 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 modification of doing, be equal to replacement, improvement etc., within all should being included in 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), it is upper that 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, it is upper that described moved cross beam (43) is connected to described tower body (20) by described the 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, it is upper that described fixed cross beam (41) is connected to described tower body (20) by described the 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 a plurality of standard knots (21) of arranging along the vertical direction, and each standard knot (21) in described a plurality of standard knots (21) has a plurality of location divisions (211) of arranging 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) above and is connected with the lower end of described piston cylinder (42), and described the first lock piece (412) is arranged on pivotly described fixed beam body (411) above and selectively coordinates with any one location division (211) in described a plurality of location divisions (211) as described the first connection structure;
Under described jacking state, described the first lock piece (412) is switched to and is fixedly connected on the described location division (211) of matching.
4. standard knot according to claim 3 promotes supernumerary segment system, it is characterized in that, described the first lock piece (412) is concave structure, and described concave structure has movable end (414) and pivotable coupling end (413);
Under described jacking state, it is upper that 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 a plurality of standard knots (21) of arranging along the vertical direction, and each standard knot (21) in described a plurality of standard knots (21) has a plurality of location divisions (211) of arranging 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 the second lock piece (432) is arranged on described portable beam body (430) above and selectively coordinates with any one location division (211) in described a plurality of location divisions (211) as described the second connection structure;
Under described lifting state, described the 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 the second lock piece (432) has groove, under described lifting state, the described location division (211) of matching with described the 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), it is upper and arrange corresponding to the described cylinder barrel (422) of described piston cylinder (42) that described supporting traverse (50) is fixed on described climbing support (30), described the first connection structure be connected with described tower body (20) and described the second connection structure and the unconnected state of described tower body (20) under, 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, it is that in claim 1 to 7, the standard knot described in any one promotes supernumerary segment system that described standard knot promotes supernumerary segment system, and the described climbing support (30) that described standard knot promotes supernumerary segment system is set in described tower body (20) above and is 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 the standard knot described in any one in 1 to 7 to promote 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 to be installed (21) is introduced to described installing space and be fixedly connected with top and the described topside (10) of described tower body (20).
10. standard knot according to claim 9 promotes supernumerary segment method, it is characterized in that, at step S700, form installing space between the top of described tower body (20) and described climbing support (30), standard knot to be installed (21) is introduced to described installing space and be fixedly connected with the top of described tower body (20) and described topside (10) before further comprising the steps of:
S600, according to step S300, to the order of step S500, repeat N time, wherein N is more than or equal to 1 natural number.
CN201310653517.6A 2013-12-05 2013-12-05 Hoisting crane and standard knot thereof promote supernumerary segment system, standard knot promotes supernumerary segment method Active CN103663187B (en)

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CN104150353A (en) * 2014-07-25 2014-11-19 袁建华 Liftable and detachable bridge crane
CN105016220A (en) * 2015-06-18 2015-11-04 中国电力科学研究院 Holding rod joint adding device
CN109654076A (en) * 2018-12-14 2019-04-19 中联重科股份有限公司 Multi-cylinder synchronous jacking system and tower crane for tower crane
CN111101847A (en) * 2019-12-19 2020-05-05 常德市鼎城永欣机械制造有限公司 Tower crane climbing frame

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CN103381997A (en) * 2013-07-16 2013-11-06 南通大力神建筑机械有限公司 Tower crane
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DE2629079A1 (en) * 1975-07-03 1977-02-03 Potain Sa Extension device, especially for a tower crane
JPH09310492A (en) * 1996-05-22 1997-12-02 Hirose & Co Ltd Self elevating type form device and elevating method thereof
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Publication number Priority date Publication date Assignee Title
CN104150353A (en) * 2014-07-25 2014-11-19 袁建华 Liftable and detachable bridge crane
CN104150353B (en) * 2014-07-25 2017-09-29 袁建华 A kind of dismountable bridge crane of liftable
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CN109654076A (en) * 2018-12-14 2019-04-19 中联重科股份有限公司 Multi-cylinder synchronous jacking system and tower crane for tower crane
CN109654076B (en) * 2018-12-14 2020-01-10 中联重科股份有限公司 Multi-oil-cylinder synchronous jacking system for tower crane and tower crane
CN111101847A (en) * 2019-12-19 2020-05-05 常德市鼎城永欣机械制造有限公司 Tower crane climbing frame

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