CN102451989B - Crane boom and self-disassembling device - Google Patents
Crane boom and self-disassembling device Download PDFInfo
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- CN102451989B CN102451989B CN2010105292968A CN201010529296A CN102451989B CN 102451989 B CN102451989 B CN 102451989B CN 2010105292968 A CN2010105292968 A CN 2010105292968A CN 201010529296 A CN201010529296 A CN 201010529296A CN 102451989 B CN102451989 B CN 102451989B
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Abstract
The invention provides a self-disassembling device for disassembling a component of engineering machinery, which comprises a landing leg connected with the component to be disassembled and a landing leg oil cylinder hinged with the landing leg. A telescoping oil cylinder is hinged between the landing leg and the landing leg oil cylinder. The telescoping oil cylinder stretches to drive the landing leg oil cylinder to overturn in a vertical plane relative to the landing leg. The self-disassembling device provided by the invention is highly safe and convenient to operate, and has high efficiency. In addition, the invention further provides a crane boom provided with the self-disassembling device.
Description
Technical field
The present invention relates to mechanical dismounting technical field, relate in particular to a kind of self-disassembly and assembly device.In addition, the invention still further relates to crane gear, relate in particular to a kind of crane arm.
Background technology
In recent years, along with expanding economy, the Large Construction project constantly increases, and the application of crane is more and more extensive, and, just towards the future development of super-tonnage, complete vehicle weight is increasing.Domestic law on road traffic safety rule have relevant regulation to the car load road weight, can not surpass constant weight, therefore, must carry out dismounting to some parts on car when crane is carried out to the transition operation, to meet relevant regulations.
Crane arm occupies larger specific gravity in complete machine weight, generally can reach 20%-25%, and it is higher than regular meeting for large-tonnage.Remove crane arm, when main frame is travelled the weight saving contribution larger, therefore, during crane running, need to be removed crane arm; After arriving operation field, then crane arm is assembled on the crane complete machine.
At present, for small-sized crane, can adopt a hanging device to be lifted crane arm; And for the crane arm of large-scale or superhuge crane, because its weight and volume is all very large, therefore, no matter in factory or field work, the dismounting of its crane arm is used to two or many hanging device cooperation cooperations mostly, crane arm is carried out to dismounting.When particularly dismounting is carried out in operation in the wild, due to work under bad environment, to the also corresponding raising of requirement of hanging device.While adopting hanging device to be installed crane arm, after need to carrying out preparatory work before installation, the operation hanging device is sling crane arm, keeps the steady of crane arm, is lifted on crane, coordinates manpower to be connected fastening simultaneously.
Visible, adopt dismounting mode of the prior art, be subject to the restriction of the factors such as place, hanging device, and operated owing to treating that the dismounting parts are sling, the careless slightly security incident that just easily causes, danger is larger.In addition, for the ultra-large type crane, adopt many common dismounting of hanging device simultaneously, the cooperate degree of operation is had relatively high expectations, installing/dismounting efficiency is low.
Therefore, providing a kind of safe, easy accessibility, self-disassembly and assembly device that efficiency is high is the technical problem of the required solution of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of self-disassembly and assembly device, safe, easy accessibility, efficiency are high.In addition, another object of the present invention is to provide a kind of crane arm with above-mentioned self-disassembly and assembly device.
For solving the problems of the technologies described above, the invention provides a kind of self-disassembly and assembly device, parts dismounting for engineering machinery, comprise and treat supporting leg that the dismounting parts are connected and the support oil cylinder hinged with described supporting leg, the hinged telescopic oil cylinder that is provided with between described supporting leg and described support oil cylinder, the described support oil cylinder of flexible drive of described telescopic oil cylinder overturns in perpendicular with respect to described supporting leg.
Preferably, also comprise the leg disc be connected with the bottom of described support oil cylinder.
Preferably, comprise described supporting leg and described support oil cylinder that at least two groups match, and every group of described supporting leg and described support oil cylinder are along treating that the length direction of dismounting parts sets gradually.
Preferably, between the front leg strut oil cylinder for the treatment of dismounting parts the place ahead and front support leg dish, be provided with the front support seat, and the lower end of described front leg strut oil cylinder coordinates with described front support seat ball pivot; Described front support seat bottom arranges the cavity volume that Open Side Down, is provided with the boss be plugged in described cavity volume on described front support leg dish, and has predetermined distance between the outer surface of the circumferential side wall of described cavity volume and described boss.
Preferably, between the rear support leg oil cylinder for the treatment of dismounting parts rear and rear support leg dish, be provided with the rear support seat, and the lower end of described rear support leg oil cylinder coordinates with described rear support seat ball pivot; Be provided with the leg disc oil cylinder between described rear support seat and described rear leg dish, the described rear support leg oil cylinder of the flexible drive of described leg disc oil cylinder slides along the slideway arranged on described rear leg dish.
Preferably, the upper edge of described front support seat and described rear support seat all has opening, described front support leg dish rotates while packing up with respect to described front leg strut oil cylinder and described rear leg dish rotates while packing up with respect to described rear support leg oil cylinder, and described front leg strut oil cylinder and described rear support leg oil cylinder all are placed in corresponding described opening.
Preferably, be provided with the first pin-and-hole be connected with described support oil cylinder on described supporting leg, on described support oil cylinder, be provided with the second pin-and-hole of coordinating with described the first pin-and-hole with for being connected the 3rd pin-and-hole of described leg disc, be provided with the 4th pin-and-hole coordinated with described the 3rd pin-and-hole on described leg disc, under collapsed state, between described the first pin-and-hole and described the second pin-and-hole, locate by limiting component between described the 3rd pin-and-hole and described the 4th pin-and-hole.
Preferably, described supporting leg with treat that the dismounting parts are hinged, hinge axis line is perpendicular to horizontal plane.
Preferably, described supporting leg be respectively arranged with pin and the pin-and-hole matched on described support oil cylinder, when described support oil cylinder turn to vertical state, described pin is plugged in described pin-and-hole.
The present invention also provides a kind of crane arm, comprises arm head, arm body and arm tail, and described arm tail is for being connected with rotating platform of crane, and described crane arm also comprises the described self-disassembly and assembly device of above-mentioned any one.
Self-disassembly and assembly device provided by the present invention, comprise supporting leg and support oil cylinder, and supporting leg is connected with treating disassemblerassembler, connects by bearing pin between supporting leg and support oil cylinder, and also be provided with telescopic oil cylinder between supporting leg and support oil cylinder.Control stretching or contracting of telescopic oil cylinder, can adjust support oil cylinder and overturn in perpendicular around the hinge between itself and supporting leg.At non-disassemble and assemble work state, the state of telescopic oil cylinder in stretching out, support oil cylinder is folding with respect to supporting leg; When needs will be when dismounting parts and main body be assembled, to treat that disassemblerassembler is transported to assigned address, the retraction telescopic oil cylinder, support oil cylinder is with respect to the rotation of the jointed shaft between itself and supporting leg, support oil cylinder launches, and supports and treat the dismounting parts so that by main body with treat that the coupling part of dismounting parts aligns, after reaching matching requirements, the operation by the staff is mounted with parts.Unloading process is contrary, supports after the dismounting parts, treats the attaching parts of dismounting parts and main body under dismounting, and main body sails out of, and can realize dismounting.Visible, adopt self-disassembly and assembly device provided by the present invention, do not need to treat the disassemblerassembler transfer of slinging, in use procedure only the demand motive hydraulic cylinder extension just can complete reliably the dismounting operation, have security higher, the while is easy to operate, efficiency is high, thereby greatly reduces operating cost.
A kind of preferred embodiment in, self-disassembly and assembly device provided by the present invention, comprise supporting leg and support oil cylinder that at least two groups match, and every group of described supporting leg and described support oil cylinder are along treating that dismounting part length direction sets gradually.The larger dismounting parts for the treatment of for some tonnages, the modes that preferably adopt many group supporting legs and support oil cylinder to coordinate, can be more stable carry out the dismounting operation.
In another preferred embodiment, be provided with the front support seat between the front leg strut oil cylinder for the treatment of dismounting parts the place ahead and front support leg dish, and the lower end of described front leg strut oil cylinder coordinates with described front support seat ball pivot; Described front support seat bottom arranges the cavity volume that Open Side Down, is provided with the boss be plugged in described cavity volume on described front support leg dish, and has predetermined distance between the outer surface of the circumferential side wall of described cavity volume and described boss.At connection chamber inwall and boss sidewall retention gap, can guarantee that support oil cylinder is with respect to leg disc radially displacement in predetermined scope, thereby can treat coordinating between disassemblerassembler and main body, finely tuned, guarantee the accuracy from dismounting, raise the efficiency.
The accompanying drawing explanation
Fig. 1 is that in a kind of specific embodiment provided by the present invention, self-disassembly and assembly device is connected the deployed condition schematic diagram with crane arm;
Fig. 2 is that self-disassembly and assembly device shown in Fig. 1 is connected the collapsed state schematic diagram with crane arm;
Fig. 3 is self-disassembly and assembly device front leg strut and the front leg strut oil cylinder deployed configuration schematic diagram in a kind of specific embodiment provided by the present invention;
The cutaway view of the front leg strut oil cylinder that Fig. 4 is self-disassembly and assembly device shown in Fig. 3 and front support leg dish annexation;
Fig. 5 is self-disassembly and assembly device rear support leg and the rear support leg oil cylinder deployed configuration schematic diagram in the another kind of specific embodiment provided by the present invention;
The structural representation that Fig. 6 is self-disassembly and assembly device rear support leg oil cylinder shown in Fig. 5 and rear leg dish annexation;
Fig. 7 is a kind of specific embodiment schematic diagram with crane arm of self-disassembly and assembly device provided by the present invention;
Fig. 8-1 is arranged on the step 1 on crane for self-disassembly and assembly device provided by the present invention by crane arm;
Fig. 8-2 are arranged on the step 2 on crane for self-disassembly and assembly device provided by the present invention by crane arm;
Fig. 8-3 are arranged on the step 3 on crane for self-disassembly and assembly device provided by the present invention by crane arm;
Fig. 8-4 are arranged on the step 4 on crane for self-disassembly and assembly device provided by the present invention by crane arm;
Fig. 8-5 are arranged on the step 5 on crane for self-disassembly and assembly device provided by the present invention by crane arm.
The specific embodiment
Core of the present invention is to provide a kind of self-disassembly and assembly device, and safe, easy accessibility, efficiency are high.Another core of the present invention is to provide a kind of crane arm with above-mentioned self-disassembly and assembly device.
In order to make those skilled in the art person understand better the present invention program, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is that self-disassembly and assembly device provided by the present invention is connected the deployed condition schematic diagram with crane arm, and Fig. 2 is that self-disassembly and assembly device shown in Fig. 1 is connected the collapsed state schematic diagram with crane arm.
Without loss of generality, treat in present embodiment that the dismounting parts take crane arm and describe as example.As shown in the figure, self-disassembly and assembly device provided by the present invention comprises supporting leg 3 and support oil cylinder 2, supporting leg 3 is connected with treating the dismounting parts, with crane arm in figure 1, be connected, between supporting leg 3 and support oil cylinder 2, by bearing pin 4, connect, the hinged telescopic oil cylinder 5 that is provided with between support oil cylinder 2 and supporting leg 3, can control support oil cylinder 2 by stretching of operation telescopic oil cylinder 5 and be overturn at vertical plane with respect to supporting leg 3.
Specifically installation process is, under off working state, telescopic oil cylinder 5 is for stretching out state, and support oil cylinder 2 is in collapsed state, as shown in Figure 2; When needs are installed crane arm, telescopic oil cylinder 5 is regained, driving support oil cylinder 2 rotates with respect to bearing pin 4, realize support oil cylinder 2 upset at vertical plane with respect to supporting leg 3, make support oil cylinder 2 upright on ground, thereby crane arm 1 is supported, then crane is driven towards to crane arm 1, align the hinge that is connected connected between rotating platform of crane and crane arm 1, assembled.After assembling finishes, then support oil cylinder 2 is packed up.Disassembly process is contrary with above-mentioned installation process.
Adopt above-mentioned self-disassembly and assembly device provided by the present invention, do not need, by treating the transfer of slinging of dismounting parts, to carry out dismounting, but will treat that the dismounting member supporting rises, mount and dismount operation, security is higher, simultaneously easy to operate, efficiency is high.
By controlling the collapsing length of support oil cylinder 2, can also change the height for the treatment of the dismounting parts, to adapt to the different work environment, the convenient matching relationship of adjusting.
Further, supporting leg 3 is hinged with being connected to of crane arm 1, by jointed shaft 6, connects, and the axial line of jointed shaft 6 is perpendicular to ground.
Hinged between supporting leg 3 and crane arm 1, supporting leg 3 can be carried out to flip horizontal with respect to crane arm 1, can further improve integrally-built compactedness like this; And under off working state, self-disassembly and assembly device can also be disassembled from crane arm 1, reduce estimating one's own ability of crane arm 1, guarantee the transaction capabilities of crane.Certainly, between supporting leg 3 and crane arm 1, can be also to be other connected modes, for example adopt welding, in this kind of mode, supporting leg 3 can not overturn relatively with respect to crane arm 1.
In addition, self-disassembly and assembly device provided by the present invention can also comprise the leg disc 7 be connected with the bottom of described support oil cylinder 2.
Larger the treating for the dismounting parts for appearance and size, because the weight of crane arm is relatively large, one group of supporting leg 3 and support oil cylinder 2 only are set can't be supported crane arm 1, now needs to arrange the combination of many group supporting legs and support oil cylinder.The quantity that is appreciated that supporting leg and support oil cylinder can specifically arrange according to actual needs, as long as in the scope that satisfied use needs are all asked for protection in the application.
As shown in fig. 1, along the length direction of crane arm 1, set gradually two groups of supporting legs that match 3 and support oil cylinder 2, to improve the stability of self-disassembly and assembly device work.And, stressed evenly in order to make crane arm 1, when the length direction of crane arm 1 sets gradually, symmetrical supporting leg 3 and support oil cylinder 2 can also be set respectively in the both sides of crane arm 1.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is self-disassembly and assembly device front leg strut and the front leg strut oil cylinder deployed configuration schematic diagram in a kind of specific embodiment provided by the present invention, the cutaway view of the front leg strut oil cylinder that Fig. 4 is self-disassembly and assembly device shown in Fig. 3 and front support leg dish annexation.
As shown in FIG., be arranged in the concrete structure that the front leg strut for the treatment of dismounting parts the place ahead and front leg strut oil cylinder can adopt present embodiment.Be provided with the front support seat 11 be connected with front leg strut oil cylinder 21 on front support leg dish 71, front leg strut oil cylinder 21 coordinates for ball pivot with front support seat 11, the bottom of front support seat 11 is provided with the cavity volume 14 that Open Side Down, be provided with the boss 15 that is plugged in cavity volume 14 on front support leg dish 71, between the outer surface of the sidewall of cavity volume 14 and boss 15, have predetermined distance.
In addition, for fear of front leg strut oil cylinder 21, with respect to relatively moving of front support leg dish 71, equipment is caused to excessive wearing and tearing, reduce coefficient of friction.Can between the upper surface of cavity volume 14 inwalls and boss 15, slide block 13 be set, can be also that other can play and reduce the structure of coefficient of friction between the two.
When front leg strut oil cylinder 21 sends play with respect to front support leg dish 71, excessive for fear of rocking, occur that front support seat 11 skids off the situation of boss 15, can between boss 15 and cavity volume 14, limiting component be set, this limiting component can be the baffle plate 16 in Fig. 4, can be also that other can prevent the excessive parts of front support seat 11 sliding scales.When adopting the structure of baffle plate 16, baffle plate 16 can be connected with cavity volume 14 sidewalls, retain certain distance between baffle plate 16 and boss 15 simultaneously, assurance can realize that front leg strut oil cylinder 21 carries out certain movement with respect to front support leg dish 71.
The cavity volume 14 adopted in this specific embodiment, can directly process in the bottom of front support seat 11 cavity volume 14 that Open Side Down; Also cavity volume 14 can be set to separately to parts, by cavity volume 14, Open Side Down with front support seat 11, is connected, and both can be with bolts or the version such as welding.The shape that it is pointed out that front support seat 11 can be any setting, can not affect coordinating of cavity volume 14 and boss 15.The shape of cavity volume 14 can be circular, can be oval, as long as can realize the function that front support seat 11 supports and guarantee that front leg strut oil cylinder 11 relatively moves with respect to front support leg dish 71, is convenient to processing and gets final product.
The structure of boss 15 can be protruded with respect to middle part for top as shown in FIG., and bottom Qi Kuan, with respect to the shape of bottom notch, also can be protruded for top in middle part with respect to bottom.
Front leg strut oil cylinder 21 with the ball pivot fit structure of front support seat 11 is, the bottom of front leg strut oil cylinder 21 is spheroid, and front support seat 11 is provided with the groove coordinated with front leg strut oil cylinder 21 bottom spheroids.
Further, on the upper edge of front support seat 11, have opening 17, when front support leg dish 71 is packed up with respect to 21 rotations of front leg strut oil cylinder, under collapsed state, front leg strut oil cylinder 21 is placed in opening 17.
In addition, on front leg strut 31, be provided with for connecting the first pin-and-hole 9 of front leg strut oil cylinder 21, on front leg strut oil cylinder 21, be provided with the second pin-and-hole 8 of coordinating with the first pin-and-hole 9 with for being connected the 3rd pin-and-hole 10 of front support leg dish 71, be provided with the 4th pin-and-hole 12 coordinated with the 3rd pin-and-hole 10 on front support leg dish 71.When front leg strut oil cylinder 21 is packed up with respect to front leg strut 31, between the first pin-and-hole 9 and the second pin-and-hole 8, locate by limiting component between the 3rd pin-and-hole 10 and the 4th pin-and-hole 12.
Be provided with above-mentioned pin-and-hole on front leg strut 31, front leg strut oil cylinder 21 and front support leg dish 71, because front leg strut oil cylinder 21 all can overturn with respect to the front leg strut oil cylinder relatively with respect to front leg strut 31, front support leg dish 71, in order to guarantee the stability of parts relative position each other when the collapsed state, avoid occurring improper expansion, need to, at front leg strut oil cylinder 21 and front leg strut 31, between front support leg dish 71 and front leg strut oil cylinder 21, limiting component be set.
Above-mentioned limiting component, can be to adopt the parts such as bearing pin, bolt to be interspersed between above-mentioned pin-and-hole, can be also other parts that can locate.Self-disassembly and assembly device is when collapsed state, between the first pin-and-hole 9 and the second pin-and-hole 8, between the 3rd pin-and-hole 10 and the 4th pin-and-hole 12 by connections such as bearing pin, bolt, iron wires, when the needs self-disassembly and assembly device is worked, pull up the above-mentioned part interted between bearing pin, then the operation of being installed or dismantling.
Please refer to Fig. 5 and Fig. 6, Fig. 5 is self-disassembly and assembly device rear support leg and the rear support leg oil cylinder deployed configuration schematic diagram in the another kind of specific embodiment provided by the present invention, the structural representation that Fig. 6 is self-disassembly and assembly device rear support leg oil cylinder shown in Fig. 5 and rear leg dish annexation.
As shown in FIG., being positioned at the rear support leg for the treatment of dismounting parts rear and the structure of rear support leg oil cylinder is specially, be provided with rear leg dish oil cylinder 18 on rear leg dish 72, rear leg dish oil cylinder 18 is arranged between rear leg dish 72 and rear support leg oil cylinder 22, and the flexible rear support leg oil cylinder 22 that can drive of rear leg dish oil cylinder 18 slides along the slideway 23 arranged on rear leg dish 72.
Rear leg dish oil cylinder 18 is set and can realizes that rear support leg oil cylinder 22 slides with respect to rear leg dish 72, like this after self-disassembly and assembly device supports crane arm, can also be moved the position of rear support leg oil cylinder 22, coordinate simultaneously be positioned at the place ahead front leg strut oil cylinder 21 relatively with the relative play of front support leg dish 71, realize the movement of crane arm, by the position to crane arm, finely tuned, to reach the matching requirements of crane arm and crane.And in the self-disassembly and assembly device expansion process, also can to the angle of rear leg dish 72, be adjusted by external force, as long as change the angles of rear leg dish 72 before expansion, after rear leg dish 72 lands, flexible rear leg dish oil cylinder 18 just can change the position of crane arm, realizes the rotation of crane arm certain angle.
It should be explicitly made clear at this point, rear leg dish oil cylinder 18 can drive rear support leg oil cylinder 22 and slide with respect to rear leg dish 72, then leg disc 72 is with respect to not occurrence positions variation of supporting surface, because rear leg dish 72 is larger with respect to the coefficient of friction of supporting surface, owing to being provided with slideway 23 on rear leg dish 72, reduced the coefficient of friction of rear support leg oil cylinder 22 with respect to rear leg dish 72, rear leg dish oil cylinder 18 just can drive rear support leg oil cylinder 22 with respect to 72 slips of rear leg dish like this, move thereby drive crane arm, it is finely tuned.
Same principle, also can arrange opening 17 on the upper edge of rear support seat, when rear support leg oil cylinder 22 is packed up, is placed in opening 17, reduces physical dimension.
In addition, in order to guarantee that, under holding state, the position relationship of support oil cylinder and supporting leg is fixed, increase the stability of device, can supporting leg be respectively arranged with pin and the pin-and-hole matched on support oil cylinder, when support oil cylinder turn to vertical state, the pin be plugged in pin-and-hole.
Please, in the lump referring to Fig. 2, Fig. 3 and Fig. 5, particularly, be provided with the first pin 192 on front leg strut oil cylinder 21, be provided with the first pin-and-hole 191 on front leg strut 31, arrange on rear support leg oil cylinder 22 on the second pin 193 rear support legs 32 the second pin-and-hole 194 is set.The second pin 193 and the second pin-and-hole 194 are set, can guarantee when rear support leg oil cylinder 22 is slided with respect to rear leg dish 72, rear support leg oil cylinder 22 drives rear support leg 32 and moves together, thereby changes the position of crane arm.In working order, the first pin 192 is coordinated to installation with the first pin-and-hole 192, the second pin 193 coordinates installation with the second pin-and-hole 194; When disassemble and assemble work completes, when front leg strut oil cylinder 21 and rear support leg oil cylinder 22 are packed up, the connection of first pulling down the first pin 192 and the first pin-and-hole 191, the connection of second pin the 193 and second pin-and-hole 194, then packed up action.
The connected mode of above-mentioned pin and pin-and-hole can be also other removable connected modes that can play same purpose.
In addition, the structure of supporting leg 32 can adopt the box body, and telescopic oil cylinder 52 is arranged in the box body structure of supporting leg 32, corresponding, and telescopic oil cylinder 52 is positioned at supporting leg 32 box bodies with the pin joint of supporting leg.
Supporting leg 32 is set to the box body, can increases the Rigidity and strength of supporting leg 32, improve the ability of its resistance to deformation, and can reduce the weight of self-disassembly and assembly device.Telescopic oil cylinder 52 is arranged in the box body, can saves space, stressed being more prone to of support oil cylinder 22 and the upset of supporting leg 32 realized.
Can by main body or independently power unit provide power for self-disassembly and assembly device, the extension and contraction control mode of support oil cylinder can adopt the mechanism controls such as mechanical Steel wire rope lock or chain.
Please refer to Fig. 7, Fig. 7 is a kind of specific embodiment schematic diagram with self-disassembly and assembly device crane arm provided by the present invention.
The present invention also provides a kind of crane arm, comprises arm head 25, arm body 27 and arm tail 29, is provided with the pin-and-hole 30 for being connected with rotating platform of crane on arm tail 29, is provided with above-mentioned self-disassembly and assembly device 24 on crane arm.
As shown in FIG., two groups of above supporting leg and support oil cylinders can be set on crane arm.In the hinged situation of supporting leg and arm body 27, after expansion, can adopt the relative position of fixed pin shaft 26 or stationary links 28 fixed supporting legs and arm body 27, avoid self-disassembly and assembly device 24 unstable working condition.Fixed pin shaft 26 is arranged between supporting leg and arm body 27, before self-disassembly and assembly device is packed up, need to pull up fixed pin shaft 26; After self-disassembly and assembly device 24 launches, fixed pin shaft 26 is inserted to pin-and-hole.Relative position after can also launching by stationary links 28 fixed supporting legs and arm body 27, stationary links 28 can be an independent part; Can be also to be hinged between self-disassembly and assembly device and arm body 27, with self-disassembly and assembly device pack up and expansion is contracted accordingly or stretches.
The self-disassembly and assembly device that is positioned at the place ahead becomes different angles with after the self-disassembly and assembly device expansion that is positioned at rear, is mainly in order to realize the stability of location.In actual mechanical process, adjust the collapsing length of different support oil cylinders, can make crane arm inclination certain angle, adjust and treat the rigging position of dismounting parts and main body, thereby meet matching requirements.
In addition, the self-disassembly and assembly device that is positioned at the place ahead adopts different structural designs with the self-disassembly and assembly device that is positioned at rear, both coordinate, the active movement of rear leg dish oil cylinder 18, drive connected rear support leg oil cylinder 22 motions, thereby drive the front leg strut oil cylinder 21 that is positioned at the place ahead, in front support seat 11 and the interstice coverage of boss 15, moved, to waiting for the link position of disassemblerassembler and main body.Certainly, front leg strut and the front leg strut oil cylinder that also can be positioned at the place ahead are set to the version shown in Fig. 5, but can cause the multiple spot active movement, adjust more difficult.
The specific works process of self-disassembly and assembly device provided by the present invention can be installed to crane arm the step of crane with reference to the self-disassembly and assembly device shown in figure 8-1, Fig. 8-2, Fig. 8-3, Fig. 8-4 and Fig. 8-5.
As shown in the figure, step 1, before installation, the crane arm 82 that at first will be provided with self-disassembly and assembly device 83 is transported to and specifies place by transport vehicle 81; Step 2, operation self-disassembly and assembly device 83, launch supporting leg and support oil cylinder, and from cancelling supported on both sides, crane arm 82, and transport vehicle 81 sails out of; Step 3, after crane 84 is sailed, pour crane arm 82 rears into, roughly align both connection pin-and-holes, now, the height of can the telescopic outrigger oil cylinder controlling crane arm 82, the angle of crane arm 82 is controlled in the adjustment of different support oil cylinders height, and the rear leg dish oil cylinder that can stretch is controlled crane arm 82 and is carried out certain rotation and movement simultaneously; Step 4, after pin-and-hole aligns, the plug-in mounting bearing pin, assembled crane arm 82; Step 5, after completing installation, pack up self-disassembly and assembly device.Unloading process and said process phase, do not repeat them here.
Above crane arm provided by the present invention and self-disassembly and assembly device thereof are described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (7)
1. a self-disassembly and assembly device, parts dismounting for engineering machinery, it is characterized in that, comprise and treat the supporting leg that the dismounting parts are connected, the support oil cylinder hinged with described supporting leg and the leg disc be connected with the bottom of described support oil cylinder, the hinged telescopic oil cylinder that is provided with between described supporting leg and described support oil cylinder, the described support oil cylinder of flexible drive of described telescopic oil cylinder overturns in perpendicular with respect to described supporting leg; The described supporting leg and the described support oil cylinder that match comprise at least two groups, and every group of described supporting leg and described support oil cylinder are along treating that the length direction of dismounting parts sets gradually; Wherein, between the front leg strut oil cylinder for the treatment of dismounting parts the place ahead and front support leg dish, be provided with the front support seat, and the lower end of described front leg strut oil cylinder coordinates with described front support seat ball pivot; Described front support seat bottom arranges the cavity volume that Open Side Down, is provided with the boss be plugged in described cavity volume on described front support leg dish, and has predetermined distance between the outer surface of the circumferential side wall of described cavity volume and described boss.
2. self-disassembly and assembly device according to claim 1, is characterized in that, between the rear support leg oil cylinder for the treatment of dismounting parts rear and rear support leg dish, is provided with the rear support seat, and the lower end of described rear support leg oil cylinder coordinates with described rear support seat ball pivot; Be provided with the leg disc oil cylinder between described rear support seat and described rear leg dish, the described rear support leg oil cylinder of the flexible drive of described leg disc oil cylinder slides along the slideway arranged on described rear leg dish.
3. self-disassembly and assembly device according to claim 2, it is characterized in that, the upper edge of described front support seat and described rear support seat all has opening, described front support leg dish rotates while packing up with respect to described front leg strut oil cylinder and described rear leg dish rotates while packing up with respect to described rear support leg oil cylinder, and described front leg strut oil cylinder and described rear support leg oil cylinder all are placed in corresponding described opening.
4. self-disassembly and assembly device according to claim 3, it is characterized in that, be provided with the first pin-and-hole be connected with described support oil cylinder on described supporting leg, on described support oil cylinder, be provided with the second pin-and-hole of coordinating with described the first pin-and-hole with for being connected the 3rd pin-and-hole of described leg disc, be provided with the 4th pin-and-hole coordinated with described the 3rd pin-and-hole on described leg disc, under collapsed state, between described the first pin-and-hole and described the second pin-and-hole, locate by limiting component between described the 3rd pin-and-hole and described the 4th pin-and-hole.
5. according to the described self-disassembly and assembly device of claim 1-4 any one, it is characterized in that, described supporting leg with treat that the dismounting parts are hinged, hinge axis line is perpendicular to horizontal plane.
6. self-disassembly and assembly device according to claim 1, is characterized in that, described supporting leg be respectively arranged with pin and the pin-and-hole matched on described support oil cylinder, when described support oil cylinder turn to vertical state, described pin is plugged in described pin-and-hole.
7. a crane arm, comprise arm head, arm body and arm tail, and described arm tail is used for being connected with rotating platform of crane, it is characterized in that, described crane arm also comprises the described self-disassembly and assembly device of 1-6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105292968A CN102451989B (en) | 2010-10-25 | 2010-10-25 | Crane boom and self-disassembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105292968A CN102451989B (en) | 2010-10-25 | 2010-10-25 | Crane boom and self-disassembling device |
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| Publication Number | Publication Date |
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| CN102451989A CN102451989A (en) | 2012-05-16 |
| CN102451989B true CN102451989B (en) | 2013-12-11 |
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| DE102020119728B4 (en) | 2020-07-27 | 2022-05-25 | Manitowoc Crane Group France Sas | Crane boom transport frame |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2824944A1 (en) * | 1978-06-07 | 1979-12-20 | Gottwald Kg Leo | Telescopic crane boom mounting - has boom support at each critical bending point, with telescopic supports including fixed hinges and/or releasable mountings at bottom |
| EP0082377A1 (en) * | 1981-12-04 | 1983-06-29 | Fmc Corporation | Extendable support for telescoping boom |
| FR2536059A1 (en) * | 1982-11-12 | 1984-05-18 | Fmc Corp | Apparatus for transporting fluid having a tube borne by a telescopic boom |
| CN201362562Y (en) * | 2008-11-14 | 2009-12-16 | 四川长江工程起重机有限责任公司 | Position-adjusting supporting foot disc of crane |
| CN101712439A (en) * | 2009-11-27 | 2010-05-26 | 三一汽车制造有限公司 | Crane transition auxiliary device, transport trailer and method for dismantling crane |
| CN201882815U (en) * | 2010-10-25 | 2011-06-29 | 徐州重型机械有限公司 | Elevator boom and self disassembling and assembling device thereof |
-
2010
- 2010-10-25 CN CN2010105292968A patent/CN102451989B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2824944A1 (en) * | 1978-06-07 | 1979-12-20 | Gottwald Kg Leo | Telescopic crane boom mounting - has boom support at each critical bending point, with telescopic supports including fixed hinges and/or releasable mountings at bottom |
| EP0082377A1 (en) * | 1981-12-04 | 1983-06-29 | Fmc Corporation | Extendable support for telescoping boom |
| FR2536059A1 (en) * | 1982-11-12 | 1984-05-18 | Fmc Corp | Apparatus for transporting fluid having a tube borne by a telescopic boom |
| CN201362562Y (en) * | 2008-11-14 | 2009-12-16 | 四川长江工程起重机有限责任公司 | Position-adjusting supporting foot disc of crane |
| CN101712439A (en) * | 2009-11-27 | 2010-05-26 | 三一汽车制造有限公司 | Crane transition auxiliary device, transport trailer and method for dismantling crane |
| CN201882815U (en) * | 2010-10-25 | 2011-06-29 | 徐州重型机械有限公司 | Elevator boom and self disassembling and assembling device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102451989A (en) | 2012-05-16 |
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