CN102451989A - Crane boom and self-disassembling device - Google Patents
Crane boom and self-disassembling device Download PDFInfo
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- CN102451989A CN102451989A CN2010105292968A CN201010529296A CN102451989A CN 102451989 A CN102451989 A CN 102451989A CN 2010105292968 A CN2010105292968 A CN 2010105292968A CN 201010529296 A CN201010529296 A CN 201010529296A CN 102451989 A CN102451989 A CN 102451989A
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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, large-scale project under construction constantly increases, and the application of crane more and more widely and is just developing towards the direction of super-tonnage, and 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 the car when crane is cut to 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 gone the weight saving contribution bigger, therefore, when crane goes, need remove crane arm; After arriving operation field, again crane arm is assembled on the crane complete machine.
At present, for small-sized crane, can adopt a hanging device that crane arm is lifted; And for the crane arm of large-scale or superhuge crane; Because its weight and volume is all very big, therefore, no matter in factory field work; Two or many hanging device cooperation cooperations are used in the dismounting of its crane arm mostly, crane arm is carried out dismounting.When particularly dismounting is carried out in operation in the open air, because work under bad environment, to the also corresponding raising of the requirement of hanging device.When adopting hanging device that crane arm is installed, need carry out preparatory work before installation after, the operation hanging device is sling crane arm, keep crane arm steadily, lift on the crane, it is fastening to cooperate manpower to connect simultaneously.
It is thus clear that, adopt dismounting mode of the prior art, receive the restriction of many factors such as place, hanging device, and operate owing to treating that the dismounting parts are sling, the careless slightly security incident that just causes easily, danger is bigger.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 efficient is low.
Therefore, a kind of safe, easy accessibility, self-disassembly and assembly device that efficient is high being provided 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, efficient are high.In addition, another object of the present invention provides 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; Be used for the parts dismounting of engineering machinery; Comprise and treat supporting leg that the dismounting parts are connected and the support oil cylinder hinged with said supporting leg, the hinged telescopic oil cylinder that is provided with between said supporting leg and the said support oil cylinder, the said support oil cylinder of flexible drive of said telescopic oil cylinder overturns in perpendicular with respect to said supporting leg.
Preferably, also comprise the leg disc that is connected with the bottom of said support oil cylinder.
Preferably, comprise said supporting leg and said support oil cylinder that at least two groups match, and every group of said supporting leg and said support oil cylinder are along treating that the length direction of dismounting parts sets gradually.
Preferably, between the front leg strut oil cylinder of treating dismounting parts the place ahead and front support leg dish, be provided with preceding supporting seat, and the lower end of said front leg strut oil cylinder cooperates with said preceding supporting seat ball pivot; The supporting seat bottom is provided with the cavity volume that Open Side Down before said, and said front support leg dish is provided with the boss that is plugged in the said cavity volume, and has predetermined distance between the outer surface of the circumferential side wall of said cavity volume and said boss.
Preferably, between the rear support leg oil cylinder of treating dismounting parts rear and rear support leg dish, be provided with the back supporting seat, and the lower end of said rear support leg oil cylinder cooperates with said back supporting seat ball pivot; Be provided with the leg disc oil cylinder between said back supporting seat and the said rear leg dish, the said rear support leg oil cylinder of the flexible drive of said leg disc oil cylinder slides along the slideway that is provided with on the said rear leg dish.
Preferably; The upper edge of supporting seat and said back supporting seat all has opening before said; Said front support leg dish rotates when packing up with respect to said front leg strut oil cylinder and said rear leg dish rotates when packing up with respect to said rear support leg oil cylinder, and said front leg strut oil cylinder and said rear support leg oil cylinder all place in the corresponding said opening.
Preferably; Said supporting leg is provided with first pin-and-hole that is connected with said support oil cylinder; Said support oil cylinder is provided with second pin-and-hole and the 3rd pin-and-hole that is used to be connected said leg disc that cooperates with said first pin-and-hole; Said leg disc is provided with the 4th pin-and-hole that cooperates with said the 3rd pin-and-hole, under collapsed state, between said first pin-and-hole and said second pin-and-hole, between said the 3rd pin-and-hole and said the 4th pin-and-hole through the limiting component location.
Preferably, said supporting leg with treat that the dismounting parts are hinged, hinged axial line is perpendicular to horizontal plane.
Preferably, be respectively arranged with pin and the pin-and-hole that matches on said supporting leg and the said support oil cylinder, when said support oil cylinder turn to vertical state, said pin was plugged in the said pin-and-hole.
The present invention also provides a kind of crane arm, comprises arm head, arm body and arm tail, and said arm tail is used for being connected with rotating platform of crane, and said crane arm also comprises above-mentioned each described self-disassembly and assembly device.
Self-disassembly and assembly device provided by the present invention comprises supporting leg and support oil cylinder, and supporting leg is connected with treating disassemblerassembler, connects through bearing pin between supporting leg and the support oil cylinder, and between supporting leg and support oil cylinder, also is provided with telescopic oil cylinder.The stretching or contract of control telescopic oil cylinder can be adjusted support oil cylinder and overturn in perpendicular around the hinge between itself and the supporting leg.At non-disassemble and assemble work state, telescopic oil cylinder is in the state of stretching out, and support oil cylinder is folding with respect to supporting leg; When needs will treat that dismounting parts and main body are assembled, will treat that disassemblerassembler is transported to assigned address, the withdrawal telescopic oil cylinder; Support oil cylinder is with respect to the rotation of the jointed shaft between itself and the supporting leg; Support oil cylinder launches, and supports and treat the dismounting parts so that with main body with treat that the coupling part of dismounting parts aligns; After reaching matching requirements, parts are carried out mount through staff's operation.Unloading process is opposite, support treat the dismounting parts after, the attaching parts of dismounting parts and main body are treated down in dismounting, main body sails out of, and can realize dismounting.It is thus clear that, adopt self-disassembly and assembly device provided by the present invention, do not need to treat the disassemblerassembler transfer of slinging; Only need drive in the use that hydraulic cylinder is flexible just can accomplish the dismounting operation reliably; It is higher to have security, and the while is easy to operate, efficient is high, thereby greatly reduces operating cost.
A kind of preferred embodiment in, self-disassembly and assembly device provided by the present invention comprises supporting leg and support oil cylinder that at least two groups match, and every group of said supporting leg and said support oil cylinder are along treating that dismounting part length direction sets gradually.For some tonnages bigger treat the dismounting parts, the preferred modes that adopt many group supporting legs and support oil cylinder to cooperate, the dismounting of carrying out that can be more stable is operated.
In another preferred embodiment, between the front leg strut oil cylinder of treating dismounting parts the place ahead and front support leg dish, be provided with preceding supporting seat, and the lower end of said front leg strut oil cylinder cooperates with said preceding supporting seat ball pivot; The supporting seat bottom is provided with the cavity volume that Open Side Down before said, and said front support leg dish is provided with the boss that is plugged in the said cavity volume, and has predetermined distance between the outer surface of the circumferential side wall of said cavity volume and said boss.At connection chamber inwall and boss sidewall retention gap, can guarantee support oil cylinder with respect to leg disc radially displacement in predetermined scope, finely tune thereby can treat cooperating between disassemblerassembler and the main body, guarantee accuracy from dismounting, raise the efficiency.
Description of drawings
Fig. 1 is that self-disassembly and assembly device is connected the deployed condition sketch map in a kind of specific embodiment provided by the present invention with crane arm;
Fig. 2 is that self-disassembly and assembly device shown in Figure 1 is connected the collapsed state sketch map with crane arm;
Fig. 3 is self-disassembly and assembly device front leg strut and the front leg strut oil cylinder deployed configuration sketch map in a kind of specific embodiment provided by the present invention;
Fig. 4 is the front leg strut oil cylinder of self-disassembly and assembly device shown in Figure 3 and the cutaway view of 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 sketch map in the another kind of specific embodiment provided by the present invention;
Fig. 6 is the structural representation of self-disassembly and assembly device rear support leg oil cylinder shown in Figure 5 and rear leg dish annexation;
Fig. 7 is a kind of specific embodiment sketch map with crane arm of self-disassembly and assembly device provided by the present invention;
Fig. 8-1 is installed in the step 1 on the crane for self-disassembly and assembly device provided by the present invention with crane arm;
Fig. 8-2 is installed in the step 2 on the crane for self-disassembly and assembly device provided by the present invention with crane arm;
Fig. 8-3 is installed in the step 3 on the crane for self-disassembly and assembly device provided by the present invention with crane arm;
Fig. 8-4 is installed in the step 4 on the crane for self-disassembly and assembly device provided by the present invention with crane arm;
Fig. 8-5 is installed in the step 5 on the crane for self-disassembly and assembly device provided by the present invention with crane arm.
The specific embodiment
Core of the present invention provides a kind of self-disassembly and assembly device, and safe, easy accessibility, efficient are high.Another core of the present invention provides a kind of crane arm with above-mentioned self-disassembly and assembly device.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
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 sketch map with crane arm, and Fig. 2 is that self-disassembly and assembly device shown in Figure 1 is connected the collapsed state sketch map with crane arm.
Be without loss of generality, treat in this embodiment that the dismounting parts are that example describes with the crane arm.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, promptly with figure in crane arm 1 is connected, between supporting leg 3 and the support oil cylinder 2 through bearing pin 4 connections; The hinged telescopic oil cylinder 5 that is provided with between support oil cylinder 2 and supporting leg 3 can be controlled support oil cylinder 2 through operation telescopic oil cylinder 5 flexible and overturn at vertical plane with respect to supporting leg 3.
Specifically installation process does, 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 were installed crane arm, telescopic oil cylinder 5 was regained, and drove support oil cylinder 2 and rotated with respect to bearing pin 4; Realize that support oil cylinder 2 is with respect to the upset of supporting leg 3 at vertical plane; Make support oil cylinder 2 upright, thereby crane arm 1 is supported, again crane is driven towards crane arm 1 on ground; Align the hinge that is connected that connects between rotating platform of crane and the crane arm 1, assemble.After assembling finishes, again support oil cylinder 2 is packed up.Disassembly process is opposite with above-mentioned installation process.
Adopt above-mentioned self-disassembly and assembly device provided by the present invention, do not need to treat the transfer of slinging of dismounting parts, carry out dismounting, carry out the installation and removal operation but will treat that the dismounting member supporting rises, security is higher, and is easy to operate simultaneously, efficient is high.
Collapsing length through control support oil cylinder 2 can also change the height of treating the dismounting parts, to adapt to the different work environment, convenient adjustment matching relationship.
Further, supporting leg 3 is hinged with being connected to of crane arm 1, promptly connects through jointed shaft 6, and the axial line of jointed shaft 6 is perpendicular to ground.
Hinged between supporting leg 3 and the crane arm 1, can supporting leg 3 be carried out flip horizontal with respect to crane arm 1, can further improve integrally-built compactedness like this; And under off working state, can also self-disassembly and assembly device be disassembled from crane arm 1, reduce estimating one's own ability of crane arm 1, guarantee the transaction capabilities of crane.Certainly, also can be to be other connected modes between supporting leg 3 and the crane arm 1, for example adopt welding, in this kind mode, supporting leg 3 can not overturn with respect to crane arm 1 relatively.
In addition, self-disassembly and assembly device provided by the present invention can also comprise the leg disc 7 that is connected with the bottom of said support oil cylinder 2.
Leg disc 7 is set can increase the contact area on self-disassembly and assembly device and ground; Make that crane arm 1 is more stable in the disassembly process; The environment that can adapt to different places, especially significant to field work, enlarged the scope of application of self-disassembly and assembly device provided by the present invention.
For bigger the treating for the dismounting parts of appearance and size, because the weight of crane arm is relatively large, one group of supporting leg 3 only is set can't crane arm 1 be supported with support oil cylinder 2, the combinations of organizing supporting legs and support oil cylinder need be set this moment more.The quantity that is appreciated that supporting leg and support oil cylinder can specifically be provided with according to actual needs, as long as satisfy the use needs all in the scope that the application asks for protection.
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,, when the length direction of crane arm 1 sets gradually, the supporting leg 3 and support oil cylinder 2 of symmetry can also be set respectively in the both sides of crane arm 1 in order to make crane arm 1 stressed even.
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 sketch map in a kind of specific embodiment provided by the present invention, and Fig. 4 is the front leg strut oil cylinder of self-disassembly and assembly device shown in Figure 3 and the cutaway view of front support leg dish annexation.
Shown in figure, be arranged in the concrete structure that the front leg strut of treating dismounting parts the place ahead and front leg strut oil cylinder can adopt this embodiment.Front support leg dish 71 is provided with the preceding supporting seat 11 that is connected with front leg strut oil cylinder 21; Front leg strut oil cylinder 21 cooperates for ball pivot with preceding supporting seat 11; The bottom of preceding supporting seat 11 is provided with the cavity volume 14 that Open Side Down; Front support leg dish 71 is provided with the boss 15 that is plugged in cavity volume 14, has predetermined distance between the outer surface of the sidewall of cavity volume 14 and boss 15.
Supporting seat 11 is convenient to stablize between support oil cylinder 21 and the leg disc 71 and is connected before being provided with.Owing in the dismounting operating process, receive the influence of environment, performance accuracy, need treat the certain adjustment of position turnover of disassemblerassembler.The cavity volume 14 and boss 15 that matches is set respectively on preceding supporting seat 11 and front support leg dish 71; And there is predetermined distance between the outer surface of the sidewall of cavity volume 14 and boss 15; Adopt such syndeton; Can allow front leg strut oil cylinder 21 relative moving radially to be arranged, realize treating the fine setting of disassemblerassembler, waiting for the cooperation position of disassemblerassembler and main body with respect to front support leg dish 71.
In addition, with respect to relatively moving of front support leg dish 71 equipment is caused excessive wearing and tearing, reduce coefficient of friction for fear of front leg strut oil cylinder 21.Can between the upper surface of cavity volume 14 inwalls and boss 15, slide block 13 be set, also can be 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; Supporting seat 11 skids off the situation of boss 15 before occurring; Can between boss 15 and cavity volume 14, limiting component be set, this limiting component can be the baffle plate 16 among Fig. 4, also can be the excessive parts of supporting seat 11 sliding scales before other can prevent.When adopting the structure of baffle plate 16, can baffle plate 16 be connected with cavity volume 14 sidewalls, between baffle plate 16 and boss 15, keep certain distance simultaneously, assurance can realize that front leg strut oil cylinder 21 carries out certain moving with respect to front support leg dish 71.
The cavity volume 14 that in this specific embodiment, is adopted can directly process the cavity volume 14 that Open Side Down in the bottom of preceding supporting seat 11; Also can cavity volume 14 be set to parts separately, Open Side Down is connected with preceding supporting seat 11 with cavity volume 14, and both can adopt bolt to connect or version such as welding.The shape of supporting seat 11 can be any setting before it is pointed out that, can not influence cooperating of cavity volume 14 and boss 15.The shape of cavity volume 14 can be circular, can be oval, as long as the function that supporting seat 11 supports before realizing and assurance front leg strut oil cylinder 11 relatively move with respect to front support leg dish 71, is convenient to process and gets final product.
The structure of boss 15 can be protruded with respect to the middle part for the top shown in figure, and the middle part also can be protruded bottom Qi Kuan for top with respect to the shape of bottom notch with respect to the bottom.
Front leg strut oil cylinder 21 with the ball pivot fit structure of preceding supporting seat 11 does, the bottom of front leg strut oil cylinder 21 is a spheroid, and preceding supporting seat 11 is provided with the groove that cooperates with front leg strut oil cylinder 21 bottom spheroids.
Further, have opening 17 in the upper edge of preceding supporting seat 11, when front support leg dish 71 was packed up with respect to 21 rotations of front leg strut oil cylinder, under collapsed state, front leg strut oil cylinder 21 placed in the opening 17.
In addition; Front leg strut 31 is provided with first pin-and-hole 9 that is used to connect front leg strut oil cylinder 21; Front leg strut oil cylinder 21 is provided with second pin-and-hole 8 and the 3rd pin-and-hole 10 that is used to be connected front support leg dish 71 that cooperates with first pin-and-hole 9, and front support leg dish 71 is provided with the 4th pin-and-hole 12 that cooperates with the 3rd pin-and-hole 10.When front leg strut oil cylinder 21 is packed up with respect to front leg strut 31, between first pin-and-hole 9 and second pin-and-hole 8, between the 3rd pin-and-hole 10 and the 4th pin-and-hole 12 through the limiting component location.
Above-mentioned limiting component can be to adopt parts such as bearing pin, bolt to be interspersed between the above-mentioned pin-and-hole, also can be other parts that can locate.When self-disassembly and assembly device is in collapsed state; Between first pin-and-hole 9 and second pin-and-hole 8, between the 3rd pin-and-hole 10 and the 4th pin-and-hole 12 through connections such as bearing pin, bolt, iron wires; When the needs self-disassembly and assembly device is worked; Pull up the above-mentioned part that interts between bearing pin, the operation of installing again 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 sketch map in the another kind of specific embodiment provided by the present invention, and Fig. 6 is the structural representation of self-disassembly and assembly device rear support leg oil cylinder shown in Figure 5 and rear leg dish annexation.
Shown in figure; Being positioned at the rear support leg of treating dismounting parts rear and the structure of rear support leg oil cylinder is specially; Rear leg dish 72 is provided with rear leg dish oil cylinder 18; Rear leg dish oil cylinder 18 is arranged between rear leg dish 72 and the 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 that is provided with on the rear leg dish 72 23.
Rear leg dish oil cylinder 18 is set 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 move the position of rear support leg oil cylinder 22, cooperate 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 mobile of crane arm; Finely tune position through to crane arm, to reach the matching requirements of crane arm and crane.And in the self-disassembly and assembly device expansion process; Also can adjust the angle of rear leg dish 72 through external force; As long as before expansion, change the angle of putting of rear leg dish 72; After rear leg dish 72 landed, flexible rear leg dish oil cylinder 18 just can change the position of crane arm, realized 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 because rear leg dish 72 is bigger with respect to the coefficient of friction of supporting surface, because rear leg dish 72 is provided with slideway 23 with respect to not occurrence positions variation of supporting surface; 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, moves thereby drive crane arm, and it is finely tuned.
Same principle, the upper edge of supporting seat also can be provided with opening 17 in the back, when rear support leg oil cylinder 22 is packed up, places in the opening 17, reduces physical dimension.
In addition, in order to guarantee that under holding state the position of support oil cylinder and supporting leg relation is fixing; Increase the stability of device; Can on supporting leg and support oil cylinder, be respectively arranged with pin and the pin-and-hole that matches, when support oil cylinder turn to vertical state, pin was plugged in the pin-and-hole.
Please in the lump referring to Fig. 2, Fig. 3 and Fig. 5, particularly, front leg strut oil cylinder 21 is provided with first pin 192, and front leg strut 31 is provided with first pin-and-hole 191, second pin-and-hole 194 is set being provided with on the rear support leg oil cylinder 22 on second pin, 193 rear support legs 32.Second pin, 193 and second pin-and-hole 194 is set, can guarantees when rear support leg oil cylinder 22 slides 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 down, first pin 192 is cooperated installation with first pin-and-hole 192, second sells 193 cooperates installation with second pin-and-hole 194; When disassemble and assemble work is accomplished, when front leg strut oil cylinder 21 and rear support leg oil cylinder 22 are packed up, pull down being connected of first pin 192 and first pin-and-hole 191 earlier, action is packed up in being connected of second pin 193 and second pin-and-hole 194 again.
The connected mode of above-mentioned pin and pin-and-hole also can be 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, and is 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 the intensity 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 the space, stressed being more prone to of the support oil cylinder 22 and the upset of supporting leg 32 realized.
Can through main body or independently power unit be that self-disassembly and assembly device provides power, the extension and contraction control mode of support oil cylinder can adopt mechanism controls such as mechanical Steel wire rope lock or chain.
Please refer to Fig. 7, Fig. 7 is a kind of specific embodiment sketch map 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, and arm tail 29 is provided with and is used for the pin-and-hole 30 that is connected with rotating platform of crane, and crane arm is provided with above-mentioned self-disassembly and assembly device 24.
Shown in figure, two groups of above supporting leg and support oil cylinders can be set on the crane arm.Under 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 the arm body 27, before self-disassembly and assembly device is packed up, need pull up fixed pin shaft 26; After self-disassembly and assembly device 24 launches, fixed pin shaft 26 is inserted pin-and-hole.Relative position after can also launching through stationary links 28 fixed supporting legs and arm body 27, stationary links 28 can be an independent part; Also can be to be hinged between self-disassembly and assembly device and the arm body 27, with self-disassembly and assembly device pack up and expansion is contracted accordingly or is stretched.
The self-disassembly and assembly device that is positioned at the place ahead launches the back with the self-disassembly and assembly device that is positioned at the rear and becomes different angles, mainly is the stability in order to realize locating.In the actual mechanical process, adjust the collapsing length of different support oil cylinders, can make crane arm inclination certain angle, the rigging position of dismounting parts and main body is treated in adjustment, thereby satisfies matching requirements.
In addition; The self-disassembly and assembly device that is positioned at the place ahead adopts the various structure design with the self-disassembly and assembly device that is positioned at the rear; Both cooperate, and the active movement of rear leg dish oil cylinder 18 drives connected rear support leg oil cylinder 22 motions; Move in the interstice coverage of preceding supporting seat 11 thereby drive the front leg strut oil cylinder 21 that is positioned at the place ahead, to waiting for the link position of disassemblerassembler and main body with boss 15.Certainly, the 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, and adjustment is difficulty relatively.
The concrete course of work 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 through transport vehicle 81 specifies the place; Step 2, operation self-disassembly and assembly device 83 launches supporting leg and support oil cylinder, and from cancelling supported on both sides crane arm 82, transport vehicle 81 sails out of; Step 3; Crane 84 is poured crane arm 82 rears into after sailing, and roughly aligns both connection pin-and-holes; At this moment; Can the telescopic outrigger oil cylinder height of control crane arm 82, the angle of the adjustment control crane arm 82 of different support oil cylinders height, the rear leg dish oil cylinder control crane arm 82 that can stretch simultaneously carries out certain rotation and moves; Step 4, treat that pin-and-hole aligns after, the plug-in mounting bearing pin assembles crane arm 82; Step 5, completion is packed up self-disassembly and assembly device after installing.Unloading process and said process repeat no more at this mutually.
More than crane arm provided by the present invention and self-disassembly and assembly device thereof have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle 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 claim of the present invention.
Claims (10)
1. self-disassembly and assembly device; Be used for the parts dismounting of engineering machinery; It is characterized in that; Comprise and treat supporting leg that the dismounting parts are connected and the support oil cylinder hinged with said supporting leg, the hinged telescopic oil cylinder that is provided with between said supporting leg and the said support oil cylinder, the said support oil cylinder of flexible drive of said telescopic oil cylinder overturns in perpendicular with respect to said supporting leg.
2. self-disassembly and assembly device according to claim 1 is characterized in that, also comprises the leg disc that is connected with the bottom of said support oil cylinder.
3. self-disassembly and assembly device according to claim 2 is characterized in that, comprises said supporting leg and said support oil cylinder that at least two groups match, and every group of said supporting leg and said support oil cylinder are along treating that the length direction of dismounting parts sets gradually.
4. self-disassembly and assembly device according to claim 3 is characterized in that, between the front leg strut oil cylinder of treating dismounting parts the place ahead and front support leg dish, is provided with preceding supporting seat, and the lower end of said front leg strut oil cylinder cooperates with said preceding supporting seat ball pivot; The supporting seat bottom is provided with the cavity volume that Open Side Down before said, and said front support leg dish is provided with the boss that is plugged in the said cavity volume, and has predetermined distance between the outer surface of the circumferential side wall of said cavity volume and said boss.
5. self-disassembly and assembly device according to claim 4 is characterized in that, between the rear support leg oil cylinder of treating dismounting parts rear and rear support leg dish, is provided with the back supporting seat, and the lower end of said rear support leg oil cylinder cooperates with said back supporting seat ball pivot; Be provided with the leg disc oil cylinder between said back supporting seat and the said rear leg dish, the said rear support leg oil cylinder of the flexible drive of said leg disc oil cylinder slides along the slideway that is provided with on the said rear leg dish.
6. self-disassembly and assembly device according to claim 5; It is characterized in that; The upper edge of supporting seat and said back supporting seat all has opening before said; Said front support leg dish rotates when packing up with respect to said front leg strut oil cylinder and said rear leg dish rotates when packing up with respect to said rear support leg oil cylinder, and said front leg strut oil cylinder and said rear support leg oil cylinder all place in the corresponding said opening.
7. according to the said self-disassembly and assembly device of claim 6; It is characterized in that; Said supporting leg is provided with first pin-and-hole that is connected with said support oil cylinder; Said support oil cylinder is provided with second pin-and-hole and the 3rd pin-and-hole that is used to be connected said leg disc that cooperates with said first pin-and-hole; Said leg disc is provided with the 4th pin-and-hole that cooperates with said the 3rd pin-and-hole, under collapsed state, between said first pin-and-hole and said second pin-and-hole, between said the 3rd pin-and-hole and said the 4th pin-and-hole through the limiting component location.
8. according to each described self-disassembly and assembly device of claim 1-7, it is characterized in that, said supporting leg with treat that the dismounting parts are hinged, hinged axial line is perpendicular to horizontal plane.
9. self-disassembly and assembly device according to claim 1 is characterized in that, is respectively arranged with pin and the pin-and-hole that matches on said supporting leg and the said support oil cylinder, and when said support oil cylinder turn to vertical state, said pin was plugged in the said pin-and-hole.
10. a crane arm comprises arm head, arm body and arm tail, and said arm tail is used for being connected with rotating platform of crane, it is characterized in that, said crane arm also comprises each described self-disassembly and assembly device of 1-9.
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 |
Publications (2)
| Publication Number | Publication Date |
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| CN102451989A true CN102451989A (en) | 2012-05-16 |
| CN102451989B CN102451989B (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105292968A Active CN102451989B (en) | 2010-10-25 | 2010-10-25 | Crane boom and self-disassembling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020119728A1 (en) | 2020-07-27 | 2022-01-27 | Manitowoc Crane Group France Sas | Crane boom transport frame |
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| 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 |
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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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020119728A1 (en) | 2020-07-27 | 2022-01-27 | Manitowoc Crane Group France Sas | Crane boom transport frame |
| DE102020119728B4 (en) | 2020-07-27 | 2022-05-25 | Manitowoc Crane Group France Sas | Crane boom transport frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102451989B (en) | 2013-12-11 |
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