CN202358854U - Turntable main body structure and crane provided with same - Google Patents
Turntable main body structure and crane provided with same Download PDFInfo
- Publication number
- CN202358854U CN202358854U CN 201120506182 CN201120506182U CN202358854U CN 202358854 U CN202358854 U CN 202358854U CN 201120506182 CN201120506182 CN 201120506182 CN 201120506182 U CN201120506182 U CN 201120506182U CN 202358854 U CN202358854 U CN 202358854U
- Authority
- CN
- China
- Prior art keywords
- hole
- assembly
- turntable
- bearing pin
- agent structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The embodiment of the utility model discloses a turntable main body structure which comprises a first assembly and a second assembly, wherein the first assembly is connected with the second assembly through a demountable connecting structure; and the turntable main body structure has a length direction, a width direction and a thickness direction, and the first assembly and the second assembly are locked together at least on the width direction of the turntable main body structure through the demountable connecting structure. The utility model also discloses a crane provided with the turntable main body. With the adoption of the turntable main body structure and the crane, the technical problem that the space requirements in assembling and maintaining parts can not be satisfied as the width size of the turntable main body structure is limited by the transportation size is solved, and the problems that the size of the turntable main body structure is too big, so that no suitable processing equipment is available for processing, and the processing difficulty is high, are solved..
Description
Technical field
The utility model relates to field of mechanical technique, the hoisting crane that is specifically related to a kind of turntable agent structure and this turntable agent structure is set.
Background technology
In each big composition framing member of hoisting crane, turntable is to be used to get in touch the crucial load assembly that hoisting crane is got on or off the bus.
In the existing crawler crane, most turntable adopts traditional one-piece construction.The turntable of one-piece construction comprises turntable agent structure and accessory structure, between turntable agent structure and the accessory structure for removably connecting.
Be illustrated in figure 1 as existing a kind of turntable agent structure; This turntable agent structure comprises left side vertical plate 10, right side riser (not shown in figure 1) and the install bin that between left side vertical plate 10, right side riser, is used to install parts, left side vertical plate 10 and right side riser on the thickness direction of turntable by on split 101 and down split 102 assemble through bearing pin 6.
The parts of installing on the turntable agent structure mainly contain the turn table of arm, swing type mechanism, hoisting mechanism, power system, hydraulic efficiency pressure system and operator's compartment etc.Increase along with the crawler crane hoisting capacity; The weight and volume of each parts of installing on the turntable agent structure all obviously increases thereupon; So need to have enough assemblings, service clearance on the turntable agent structure, still, because the transportation width of the turntable of national legislation regulation is merely 3.5 meters; Even the turntable that no matter is above-described which kind of one-piece construction has disassembled the accessory structure on it in transportation; The width dimensions of remaining turntable agent structure is still very big since transported can not superelevation, ultra wide restriction, can't the design of turntable agent structure width dimensions is too big; Cause the installing space of the parts on the turntable agent structure very limited, can't satisfy the space requirement of parts assembling, maintenance.
The utility model content
The purpose of the utility model is the hoisting crane that proposes a kind of turntable agent structure and this turntable agent structure is set; Solve prior art and existed the width dimensions of turntable agent structure to receive the restriction of transportation clearance, caused to satisfy the technical matters of the space requirement of parts assembling, maintenance.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
This turntable agent structure comprises first assembly and second assembly, and wherein: said first assembly is connected through the structure that removably connects with said second assembly;
Said turntable agent structure exists length direction, Width and thickness direction;
Said first assembly and said second assembly are locked together by the said structure that removably connects on the Width of said turntable agent structure at least.
Preferably, said first assembly and said second assembly are symmetrical set with the vertical centering control separated time on the edge of the Width extension of the said turntable agent structure in said turntable agent structure upper edge; And/or,
Said first assembly and/or said second assembly are respectively done for oneself, and split type member assembles or the integral structure of respectively doing for oneself; And/or,
The said structure that removably connects is one of them or multiple combination of bearing pin connection structure, bolt fastening structure, screw connection structure or buckle connection structure.
Preferably, said bearing pin connection structure comprise at least one connector, respectively be opened in first through hole on the two ends of said connector position opposite, be opened on said first assembly respectively, second through hole and bearing pin on said second assembly, wherein:
At least offer said first through hole on each end on the two ends of said connector position opposite;
The number of said first through hole is identical with the number of said second number of through-holes and said bearing pin;
Said bearing pin embeds said first through hole, said second through hole successively or embeds said second through hole, said first through hole successively.
Preferably, said connector is bar shaped, and its cross-sectional plane takes the shape of the letter U, oblong or equilateral polygon, and said first through hole runs through the relative sidewall in position on the said connector;
Be installed with at least one first convex edge on said first assembly, extend towards the direction near said second assembly along the Width of said turntable agent structure said first convex edge, and said second through hole on said first assembly is opened on said first convex edge;
Be installed with at least one second convex edge on said second assembly, extend towards the direction near said first assembly along the Width of said turntable agent structure said second convex edge, and said second through hole on said second assembly is opened on said second convex edge.
Preferably, said first convex edge and/or said second convex edge are embedded in the said connector, and the inboard that is embedded in part and the sidewall of said connector in the said connector connects; And/or;
Said first convex edge and/or said second convex edge are tabular, and the length direction of its extended planar and said turntable agent structure is perpendicular; And/or,
Said first convex edge and said first assembly be integral structure or said first convex edge with said first assembly for captiveing joint, said second convex edge and said second assembly be integral structure perhaps said second convex edge and said second assembly for captiveing joint; And/or,
Said bearing pin is connected with hydraulic power mechanism, and the power that said bearing pin embedded or extracted said first through hole and said second through hole is that said hydraulic power mechanism provides; And/or,
Said bearing pin comprises bearing pin body and stop bit convexity, wherein:
That said bearing pin body is is cylindric, prism-shaped, coniform or tubulose; Said stop bit convexity is positioned at said bearing pin body wherein on the circumferential exterior surface of an end; Said bearing pin body is protruding with said stop bit to be that integral structure or said bearing pin body are captiveed joint with said stop bit is protruding, and said bearing pin body embeds said first through hole and said second through hole successively or embeds said second through hole and said first through hole successively.
Preferably, said stop bit convexity in the form of a ring or round and is surrounded on said bearing pin body wherein on the circumferential exterior surface of an end, and the protruding external diameter of said stop bit is greater than the internal diameter of said first through hole and said second through hole;
And/or the internal diameter of said first through hole is identical with the internal diameter of said second through hole; And/or; The end that said bearing pin body embeds in said first through hole and said second through hole passes said first through hole and extends said second through hole, and the bearing pin body part of extending said second through hole is provided with and is used to prevent that said bearing pin body from deviating from the disconnecting prevention structure of said second through hole along its reversing sense that embeds direction; Perhaps; The end that said bearing pin body embeds in said second through hole and said first through hole passes said second through hole and extends said first through hole, and the bearing pin body part of extending said first through hole is provided with and is used to prevent that said bearing pin body from deviating from the disconnecting prevention structure of said second through hole along its reversing sense that embeds direction.
Preferably, said disconnecting prevention structure comprises that being opened in said bearing pin body extends the anticreep hole on the part of said second through hole and be embedded in locking pin or the anticreep bolt in the said anticreep hole.
Preferably, said bearing pin connection structure comprises that at least three said connectors and position are between connecting panel or the link span between two said connectors at least wherein, wherein:
At least wherein between two said connectors through said connecting panel or link span captive joint or at least wherein two said connectors and connecting panel or link span are integral structure.
Preferably, said first assembly and/or said second assembly comprise split type member more than two, wherein:
Two the above split type members are being fixed together through said fastening structure on the Width of said turntable agent structure and/or on the length direction and/or on the thickness direction;
Said fastening structure is one of them or multiple combination of bearing pin connection structure, bolt fastening structure, screw connection structure or buckle connection structure, welded structure, articulated structure, glue adhesive structure.
This hoisting crane comprises the turntable agent structure that above-mentioned the utility model provides and the turn table of arm, swing type mechanism, hoisting mechanism, power system, hydraulic efficiency pressure system and operator's compartment, wherein:
One of them is installed on the turn table of said at least arm, said swing type mechanism, said hoisting mechanism, said power system, said hydraulic efficiency pressure system and said operator's compartment on the said turntable agent structure;
Said first assembly and said second assembly are respectively the left side vertical plate and the right side riser of said turntable agent structure.
Based on the arbitrary technical scheme in the technique scheme, the utility model embodiment can produce following technique effect at least:
Because the turntable agent structure that the utility model embodiment is provided comprises first assembly and second assembly; And first assembly and second assembly are locked together by the structure that removably connected on the Width of turntable agent structure at least; Structure can freely be dismantled because removably connect; So when transportation turntable agent structure; Operating personal can disassemble earlier removably connect structure with releasing removably connect structure on the Width of turntable agent structure to the locking of first assembly and second assembly; So just, can be through transporting the mode of first assembly and second assembly separately; Width dimensions when reducing the transportation of turntable agent structure, so overcome the defective that the width dimensions of turntable agent structure receives the restriction of transportation clearance, thus just can the width dimensions design of turntable agent structure is bigger; Thereby guarantee that the turntable agent structure has the parts such as turn table that enough spaces are used to install arm, swing type mechanism, hoisting mechanism, power system, hydraulic efficiency pressure system and operator's compartment; And the space that turntable agent structure inside is used for installing parts also can increase along with the increase of each parts volume, exists the width dimensions of turntable agent structure to receive the restriction of transportation clearance so solved prior art, causes satisfying the technical matters of the space requirement of parts assembling, maintenance;
There is following advantage at least in the turntable agent structure that the utility model embodiment is provided:
1, this turntable agent structure can be divided at least two independent assemblies on Width; Independent assembly can transport separately; Make the turntable agent structure on Width, not receive the restriction of transportation clearance; Because it is bigger that the width dimensions of turntable agent structure can design, so can more sufficient space be provided for assembling, the maintenance of parts;
2, the transportation clearance and the weight of turntable single-piece (or claiming independent assembly) have been reduced; Solved hoisting crane crawler crane when transition of super-tonnage especially that this turntable agent structure is set; Receive restriction and the problem of hard transportation of transportation clearance; Owing to can use the less vehicle of load carrying ability to transport, reduced requirement, and then transportation is more simple, convenient to the vehicle;
3, the single-piece size and the weight of turntable have been reduced; Solved this turntable agent structure is set hoisting crane especially super-tonnage crawler crane inner structure part because volume can't find suitable Fabricating machinery to process too greatly; The problem that difficulty of processing is bigger, thus difficulty of processing reduced and to the requirement of Fabricating machinery.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the scheme drawing of disclosed a kind of turntable agent structure in the prior art;
The chief component of the turntable agent structure that Fig. 2 is provided for the utility model embodiment is assembled into the scheme drawing of complete turntable agent structure;
Fig. 3 is the disconnecting prevention structure and the scheme drawing of the annexation between other parts on every side in the turntable agent structure shown in Figure 1.
The specific embodiment
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
The restriction that the utility model embodiment provides a kind of dismounting, easy for installation and width dimensions can not receive transportation clearance can be satisfied the turntable agent structure of the space requirement of parts assembling, maintenance.
As shown in Figure 2; The turntable agent structure that the utility model embodiment is provided; Comprise first assembly 1 and second assembly 2; Wherein: first assembly 1 is connected through the structure 3 that removably connects with second assembly 2, and the turntable agent structure exists length direction, Width and thickness direction, and first assembly 1 and second assembly 2 are locked together by the structure 3 that removably connected on the Width of turntable agent structure at least.
Because the turntable agent structure that the utility model embodiment is provided comprises first assembly 1 and second assembly 2; And first assembly 1 and second assembly 2 are locked together by the structure 3 that removably connected on the Width of turntable agent structure at least; Structure 3 can freely be dismantled because removably connect; So when transportation turntable agent structure; Can disassemble earlier removably connect structure 3 with releasing removably connect structure 3 on the Width of turntable agent structure to the locking of first assembly 1 and second assembly 2; So just, can be through transporting the mode of first assembly 1 and second assembly 2 separately; Width dimensions when reducing the transportation of turntable agent structure; So the width dimensions that has overcome the turntable agent structure receives the defective of the restriction of transportation clearance; And then also can the design of the width dimensions of turntable agent structure is bigger, thereby guarantee that the turntable agent structure has the parts such as turn table that enough spaces are used to install arm, swing type mechanism, hoisting mechanism, power system, hydraulic efficiency pressure system and operator's compartment, and the space that turntable agent structure inside is used for installing parts also can increase along with the increase of each parts volume; Exist the width dimensions of turntable agent structure to receive the restriction of transportation clearance so solved prior art, cause to satisfy the technical matters of the space requirement of parts assembling, maintenance.
As shown in Figure 2, first assembly 1 and second assembly 2 are symmetrical set with the vertical centering control separated time 4 on the edge of the Width extension of turntable agent structure upper edge turntable agent structure in the present embodiment.
Along the vertical centering control separated time 4 on the edge that the Width of turntable agent structure extends and the length direction of turntable is coincidence or parallel.Because the symmetrical configuration of first assembly 1 and second assembly 2; Be equal in weight; The bearing force of installing, first assembly 1 and second assembly 2 being applied in the transportation is to equate or approximately equalised; Also can use identical installation or transportation means to install or transport, so help to reduce installation, traffic cost.
The advantage of said structure is: on the one hand bigger at first assembly 1 and second assembly, 2 volumes own, weight is heavier, when being not easy to transport, also can first assembly 1 or second assembly 2 be continued to be divided into carrying again behind the split type member; Elder generation produces its volume when producing first assembly 1 and second assembly 2 on the other hand, all less split type member of weight can be more easy.First assembly 1 and/or second assembly 2 its member separately of can serving as reasons assembles on its Width; Its member separately of also can serving as reasons is assembling on its length direction or on the thickness direction; Certainly, first assembly 1 and/or second assembly 2 also can be served as reasons its member separately simultaneously on its Width, assemble on the length direction and on the thickness direction.
The structure that removably connects in the present embodiment 3 is preferably the bearing pin connection structure, and certainly, the structure that removably connects 3 also can be the stack or the combination of bolt fastening structure, screw connection structure or buckle connection structure one of them or above-mentioned multiple connection structure.
Above-mentioned connection structure is on the structure fairly simple, and the connection structure that can freely dismantle of dismantling easily, installing.The buckle connection structure is to adopt the mode of interference fit (or claiming flush fit) to lock, and can require great effort a little with respect to other structures that removably connect during dismounting.Bolt fastening structure and screw connection structure also can be replaced by other connection structures of offering threaded fastener formation such as double-screw bolts.Certainly, present embodiment is not got rid of the possibility of using connection mode commonly used in other this areas yet.
As shown in Figure 2; In the present embodiment bearing pin connection structure comprise at least one connector 5, respectively be opened in first through hole 51 on the two ends of connector 5 position opposite, be opened on first assembly 1 respectively, second through hole 12 and bearing pin 6 on second assembly 2; At least offer one first through hole 51 on each end on the two ends of connector 5 position opposite; The number of first through hole 51 is identical with the number of second through hole, 12 numbers and bearing pin 6, and bearing pin 6 embeds first through hole 51, second through hole 12 successively or embeds second through hole 12, first through hole 51 successively.
Owing on the connector 5 parts can be installed; So the width dimensions that connector 5 has prolonged first assembly 1 and second assembly 2 is set; And then also can connector 5 be disassembled with independent transportation first assembly 1, second assembly 2 or connector 5 in the transportation; This shows that the existence of connector 5 can further reduce the restriction that the turntable agent structure receives on Width.With first assembly 1, when second assembly 2 is installed together with connector 5, after can be earlier first assembly 1 or second assembly 2 one of them and connector 5 being connected, wherein another of connector 5 and first assembly 1 or second assembly 2 is connected.
Certainly; Connector 5 also can one of them be an integral structure with first assembly 1 or second assembly 2; And with wherein another of first assembly 1 or second assembly 2 for captiveing joint; Captive joint can adopt also that other known connection structures are connected in screw connection structure, bolt fastening structure or this area; Connector 5 also can one of them adopts bearing pin connection structures captive joint with first assembly 1 or second assembly 2, and other known connection structures are connected in screw connection structure, bolt fastening structure or this area and adopt with wherein another of first assembly 1 or second assembly 2.
Not only consume material is few for the connector 5 of said structure, and is in light weight, and is convenient to offer first through hole 51, simultaneously, also has the intensity height, is suitable for bearing the advantage of heavy lift.
Certainly, the cross-sectional plane of connector 5 also can be positive five more equilateral polygon of the equilateral number of distortion or the polygon outside the equilateral polygon, and for example cross-sectional plane also can be trapezoidal.
Be installed with at least one 11, the first convex edge 11, first convex edge in the present embodiment on first assembly 1 and extend near the direction of second assembly 2 along the Width court of turntable agent structure, second through hole 12 on first assembly 1 is opened on first convex edge 11; Be installed with at least one 21, the second convex edge 21, second convex edge on second assembly 2 and extend near the direction of first assembly 1 along the Width court of turntable agent structure, second through hole 12 on second assembly 2 is opened on second convex edge 21.
The setting of first convex edge 11 and second convex edge 21 not only is convenient to offer second through hole 12, and when first assembly 1 and second assembly 2 carried out attended operation with connector 5 respectively, first convex edge 11 and second convex edge 21 also had directional tagging.
Certainly, when on first assembly 1 first convex edge 11 being set, second assembly 2 also can not be provided with second convex edge 21, and in like manner, when on second assembly 2 second convex edge 21 being set, first assembly 1 also can not be provided with first convex edge 11.
First convex edge 11 and/or second convex edge 21 are embedded in the connector 5 in the present embodiment, and connect with the inside sidewalls of connector 5.This structure helps between first convex edge 11 and/or second convex edge 21 and the connector 5 adopting the mode that plugs to be combined, even and then help fast first through hole 51, first through hole 51 that aligns with second through hole 12 coaxial so that embedding bearing pin 6 with second through hole 12.Certainly, first convex edge 11 and/or second convex edge 21 also can be resisted against on the outside face of sidewall of connector 5, at this moment, can guarantee that also first through hole 51 aligns with second through hole 12.
The two ends that are opened in connector 5 position opposite in the present embodiment wherein first through hole 51 on the end number and the two ends that are opened in connector 5 position opposite wherein on the other end number of first through hole 51 identical.
Because the number of first through hole 51 is consistent with the number of second through hole 12 and the number of bearing pin 6; So between the two ends that this structure can guarantee connector 5 position opposite and first assembly 1 and and second assembly 2 between Joint strenght consistent; When the turntable agent structure was born a heavy burden, the weight of bearing on first assembly 1 and second assembly 2 was more even.
First convex edge 11 and/or second convex edge 21 are tabular in the present embodiment, and its extended planar is preferably with the length direction of turntable agent structure perpendicular.
The Width of first convex edge 11 and/or second convex edge 21 and turntable parallels or when coinciding; And when the length direction of its extended planar and turntable agent structure was perpendicular, second through hole 12 on first convex edge 11 and the axial direction of second through hole 12 on second convex edge 21 were identical with the length direction of turntable agent structure.This structure is in the process of installing, and first through hole 51 was aimed at second through hole 12 more easily when first convex edge 11 and/or second convex edge 21 plugged with connector 5.
In the present embodiment first convex edge 11 and first assembly 1 for integral structure or first convex edge 11 and first assembly 1 for captiveing joint, be preferably first convex edge 11 and first assembly 1 is an integral structure.Second convex edge 21 and second assembly 2 for integral structure or second convex edge 21 and second assembly 2 for captiveing joint, be preferably second convex edge 21 and second assembly 2 is an integral structure.
Because volume, the weight of first convex edge 11 and second convex edge 21 are all low weight; So the difficulty of captive joint is bigger; And in the integral structure between the each several part Joint strenght more firm, and be convenient to adopt one-time formed manufacturing process to make fast, so be preferably integral structure.
When using hydraulic power structure; Can control bearing pin 6 through the mode of control release hydraulic oil or recovery hydraulic oil is to embed first through hole 51 and second through hole 12 or extract first through hole 51 and second through hole 12; Not only degree of automation is high, and more laborsaving.Certainly, bearing pin 6 also can use other actuating units, and even the people orders about its embedding or extracts first through hole 51 and second through hole 12 for power is provided.
As shown in Figure 3, bearing pin 6 comprises bearing pin body 61 and stop bit convexity 62 in the present embodiment, wherein:
That bearing pin body 61 is is cylindric, prism-shaped, coniform, round table-like or tubulose; Stop bit protruding 62 is positioned at bearing pin body 61 wherein on the circumferential exterior surface of an end; Bearing pin body 61 is that integral structure or bearing pin body 61 are captiveed joint with stop bit protruding 62 with stop bit protruding 62, and bearing pin body 61 embeds first through hole 51 and second through hole 12 successively or embeds second through hole 12 and first through hole 51 successively.
Stop bit protruding 62 can avoid bearing pin body 61 to embed first through hole 51 and second through hole, 12 back insert depths are too dark, finally embeds direction along it and deviates from first through hole 51 and second through hole 12.
Stop bit as shown in Figure 3 protruding 62 in the form of a ring or round and is surrounded on bearing pin body 61 wherein on the circumferential exterior surface of an end in the present embodiment, and the external diameter of stop bit protruding 62 is greater than the internal diameter of first through hole 51 and second through hole 12.
In the form of a ring or the stop bit of round protruding 62 with the sidewall (when bearing pin body 61 embeds first through hole 51 earlier) of connector 5 when leaning; Perhaps; Stop bit protruding 62 with first convex edge 11 or second convex edge 21 (when bearing pin body 61 embeds second through hole 12 earlier) when leaning; The antagonistic force of the sidewall that comes from connector 5 that bears everywhere, first convex edge 11 or second convex edge 21 is more even, so intensity is more firm, the stopping effect is also more reliable.Certainly, stop bit protruding 62 also can only be salient point or the boss of an evagination in bearing pin body 61 end circumferential exterior surface.
The internal diameter of first through hole 51 is preferably identical with the internal diameter of second through hole 12 in the present embodiment; At this moment; First through hole 51 and second through hole 12 can use identical drill bit or milling cutter cutting to come out; And the external diameter of each several part is also consistent on bearing pin body 61 axial directions of the bearing pin 6 that matches with first through hole 51 and second through hole 12, not only is convenient to peg graft and installs, and make also than being easier to.
Certainly, the internal diameter of first through hole 51 also can be different with the internal diameter of second through hole 12, and the external diameter of each several part also can be different on bearing pin body 61 axial directions of bearing pin 6.
The ends that bearing pin body 61 embeds in first through holes 51 and second through hole 12 in the present embodiment pass first through hole 51 and extend second through hole 12, and bearing pin body 61 part of extending second through hole 12 is provided with and is used to prevent that bearing pin body 61 from deviating from the disconnecting prevention structure 7 of second through hole 12 along its reversing sense that embeds direction.
Disconnecting prevention structure 7 can prevent that the bearing pin body 61 that has embedded first through hole 51 and second through hole 12 from deviating from along the reversing sense that it embeds first through hole 51 and second through hole, 12 directions, thereby has guaranteed the reliability of bearing pin connection structure locking.
Certainly; When the end in bearing pin body 61 embeds second through hole 12 and first through hole 51 successively passed second through hole 12 and extends first through hole 51, bearing pin body 61 extends on the part of first through hole 51 also can be provided with above-mentioned disconnecting prevention structure as shown in Figure 37.
As shown in Figures 2 and 3, disconnecting prevention structure 7 comprises that being opened in bearing pin body 61 extends the anticreep hole 70 on the part of second through hole 12 as shown in Figure 2 and be embedded in the locking pin 71 in the anticreep hole 70 in the present embodiment.
Anticreep hole 70 is an over-surplus fit structure with the disconnecting prevention structure 7 that locking pin 71 constitutes, and this disconnecting prevention structure 7 is not only simple in structure, and assembles, dismantles also more convenient.Certainly, locking pin 71 also can use other rod members such as anticreep bolt to replace.
As shown in Figure 3, locking pin 71 runs through anticreep hole 70 in the present embodiment, and interference fit between itself and the anticreep hole 70, and the axial dimension of locking pin 71 is greater than the internal diameter size of second through hole 12.
During interference fit, can avoid locking pin 71 in anticreep hole 70, to get loose between locking pin 71 and the anticreep hole 70.Certainly; Also can not adopt the mode of interference fit in the present embodiment between locking pin 71 and the anticreep hole 70; But when locking pin 71 embeds anticreep hole 70, at the two ends of locking pin 71 structure that is similar to above-mentioned disconnecting prevention structure 7 is set and deviates from anticreep hole 70 to avoid locking pin 71.
As shown in Figure 2, the bearing pin connection structure comprises that at least three connectors 5 and position are between connecting panel 8 or the link span between two connectors 5 at least wherein, wherein in the present embodiment:
At least wherein between two connectors 5 through connecting panel 8 or link span captive joint or at least wherein in two connectors 5 or all connector 5 be integral structure with connecting panel 8 or link span.
Independent in a present embodiment connector 5 has constituted a box-structure; And the connector 5 of this box-structure has constituted two box-structures on the turntable agent structure respectively with two other connector 5 and the assembly that connecting panel 8 constitutes, and box-structure installation, maintenance space is bigger.
The bearing pin connection structure is preferably and comprises that 5, three connectors 5 of three connectors as shown in Figure 2, two connectors 5 wherein are through welding, hinged or connect through screw and to be fixedly arranged on on a plate 8 in the present embodiment.
As shown in Figure 2, first assembly 1 and/or second assembly 2 comprise split type member 9 more than two in the present embodiment, wherein:
Pass through the fastening structure captive joint more than two between the split type member 9;
The connection structure that fastening structure can freely be dismantled for bearing pin connection structure, bolt fastening structure, screw connection structure or buckle connection structure etc.; The connection structure that also can not freely dismantle for welded structure, articulated structure, glue adhesive structure etc., fastening structure also can be any two or more the combination wherein of above-mentioned connection structure.
As shown in Figure 2, split type member 9 volume for the first complete assembly 1 and/or second assembly 2 is little, in light weight, is convenient to processing and manufacturing.In addition; When fastening structure is the connection structure that can freely dismantle; Overcome the suffered restriction of the width dimensions of turntable agent structure in like manner with first assembly 1 and second assembly 2; Also can select the assembly direction of split type member 9 in the present embodiment, and then remove the turntable agent structure on the width dimensions and/or on the length dimension and/or the restriction that receives on the gauge according to the needs in actual installation space.When fastening structure was the connection structure that can not freely dismantle, the Joint strenght between the split type member 9 can be more firm.
The hoisting crane that the utility model embodiment is provided; Comprise the turntable agent structure as shown in Figure 2 that the arbitrary embodiment of above-mentioned the utility model is provided and the turn table of arm, swing type mechanism, hoisting mechanism, power system, hydraulic efficiency pressure system and operator's compartment, wherein:
At least the turn table of arm, swing type mechanism, hoisting mechanism, power system, hydraulic efficiency pressure system and operator's compartment one of them be installed on the turntable agent structure, the turn table that is preferably arm, swing type mechanism, hoisting mechanism, power system, hydraulic efficiency pressure system and operator's compartment all is installed on the turntable agent structure.
Left side vertical plate and right side riser lay respectively at relative edge, position on the turntable agent structure Width, when left side vertical plate and right side riser can freely be dismantled, and the width dimensions in the time of can reducing the transportation of turntable agent structure greatly.
In the above-mentioned hoisting crane, between swing type mechanism is installed on and gets on or off the bus, be used to drive the mechanism that gets on or off the bus and rotate.Power system comprises engine system, fuel tank etc.
Hoisting crane is preferably crawler crane in the present embodiment, and crawler crane is meant the hoisting crane of the truss-like jib structure that adopts the crawler travel chassis.Because the turntable width dimensions on the crawler crane is bigger, weight is heavier, so the suitable application technique scheme that present embodiment provided overcomes the restricted defective of turntable width dimensions on the crawler crane.
In sum, there is following advantage at least in the turntable agent structure that provided of the utility model embodiment:
1, this turntable agent structure can be divided at least two independent assemblies on Width; Independent assembly can be distinguished independent transportation; Make the turntable agent structure on Width, not receive the restriction of transportation clearance; Because it is bigger that the width dimensions of turntable agent structure can design, so can more sufficient space be provided for assembling, the maintenance of parts;
2, the transportation clearance and the weight of turntable single-piece (or claiming independent assembly) have been reduced; Solved hoisting crane crawler crane when transition of super-tonnage especially that this turntable agent structure is set; Receive restriction and the problem of hard transportation of transportation clearance; Can use the less vehicle of load carrying ability to transport, reduce requirement, and then transportation is more simple, convenient the vehicle;
3, the single-piece size and the weight of turntable have been reduced; Solved this turntable agent structure is set hoisting crane especially super-tonnage crawler crane inner structure part because volume can't find suitable Fabricating machinery to process too greatly; The problem that difficulty of processing is bigger, thus difficulty of processing reduced and to the requirement of Fabricating machinery.
Certainly, the technique scheme that the utility model embodiment is provided also can be applied on other hoisting cranes, so be applied to the similar heavy-duty machinery of hoisting crane on.
Should be noted that at last: above embodiment only in order to the explanation the utility model technical scheme but not to its restriction; Although with reference to preferred embodiment the utility model has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can make amendment to the specific embodiment of the utility model perhaps is equal to replacement to the part technical characterictic; And not breaking away from the spirit of the utility model technical scheme, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (10)
1. a turntable agent structure is characterized in that, comprises first assembly and second assembly, wherein:
Said first assembly is connected through the structure that removably connects with said second assembly;
Said turntable agent structure exists length direction, Width and thickness direction;
Said first assembly and said second assembly are locked together by the said structure that removably connects on the Width of said turntable agent structure at least.
2. turntable agent structure according to claim 1 is characterized in that, said first assembly and said second assembly are symmetrical set with the vertical centering control separated time on the edge of the Width extension of the said turntable agent structure in said turntable agent structure upper edge; And/or,
Said first assembly and/or said second assembly are respectively done for oneself, and split type member assembles or the integral structure of respectively doing for oneself; And/or,
The said structure that removably connects is one of them or multiple combination of bearing pin connection structure, bolt fastening structure, screw connection structure or buckle connection structure.
3. turntable agent structure according to claim 2; It is characterized in that; Said bearing pin connection structure comprise at least one connector, respectively be opened in first through hole on the two ends of said connector position opposite, be opened on said first assembly respectively, second through hole and bearing pin on said second assembly, wherein:
At least offer said first through hole on each end on the two ends of said connector position opposite;
The number of said first through hole is identical with the number of said second number of through-holes and said bearing pin;
Said bearing pin embeds said first through hole, said second through hole successively or embeds said second through hole, said first through hole successively.
4. turntable agent structure according to claim 3 is characterized in that said connector is bar shaped, and its cross-sectional plane takes the shape of the letter U, oblong or equilateral polygon, and said first through hole runs through the relative sidewall in position on the said connector;
Be installed with at least one first convex edge on said first assembly, extend towards the direction near said second assembly along the Width of said turntable agent structure said first convex edge, and said second through hole on said first assembly is opened on said first convex edge;
Be installed with at least one second convex edge on said second assembly, extend towards the direction near said first assembly along the Width of said turntable agent structure said second convex edge, and said second through hole on said second assembly is opened on said second convex edge.
5. turntable agent structure according to claim 4 is characterized in that, said first convex edge and/or said second convex edge are embedded in the said connector, and the inboard that is embedded in part and the sidewall of said connector in the said connector connects; And/or;
Said first convex edge and/or said second convex edge are tabular, and the length direction of its extended planar and said turntable agent structure is perpendicular; And/or,
Said first convex edge and said first assembly be integral structure or said first convex edge with said first assembly for captiveing joint, said second convex edge and said second assembly be integral structure perhaps said second convex edge and said second assembly for captiveing joint; And/or,
Said bearing pin is connected with hydraulic power mechanism, and the power that said bearing pin embedded or extracted said first through hole and said second through hole is that said hydraulic power mechanism provides; And/or,
Said bearing pin comprises bearing pin body and stop bit convexity, wherein:
That said bearing pin body is is cylindric, prism-shaped, coniform or tubulose; Said stop bit convexity is positioned at said bearing pin body wherein on the circumferential exterior surface of an end; Said bearing pin body is protruding with said stop bit to be that integral structure or said bearing pin body are captiveed joint with said stop bit is protruding, and said bearing pin body embeds said first through hole and said second through hole successively or embeds said second through hole and said first through hole successively.
6. turntable agent structure according to claim 5; It is characterized in that; Said stop bit convexity in the form of a ring or round and is surrounded on said bearing pin body wherein on the circumferential exterior surface of an end, and the protruding external diameter of said stop bit is greater than the internal diameter of said first through hole and said second through hole;
And/or the internal diameter of said first through hole is identical with the internal diameter of said second through hole; And/or; The end that said bearing pin body embeds in said first through hole and said second through hole passes said first through hole and extends said second through hole, and the bearing pin body part of extending said second through hole is provided with and is used to prevent that said bearing pin body from deviating from the disconnecting prevention structure of said second through hole along its reversing sense that embeds direction; Perhaps; The end that said bearing pin body embeds in said second through hole and said first through hole passes said second through hole and extends said first through hole, and the bearing pin body part of extending said first through hole is provided with and is used to prevent that said bearing pin body from deviating from the disconnecting prevention structure of said second through hole along its reversing sense that embeds direction.
7. turntable agent structure according to claim 6 is characterized in that, said disconnecting prevention structure comprises that being opened in said bearing pin body extends the anticreep hole on the part of said second through hole and be embedded in locking pin or the anticreep bolt in the said anticreep hole.
8. turntable agent structure according to claim 3 is characterized in that, said bearing pin connection structure comprises that at least three said connectors and position are between connecting panel or the link span between two said connectors at least wherein, wherein:
At least wherein between two said connectors through said connecting panel or link span captive joint or at least wherein two said connectors and connecting panel or link span are integral structure.
9. according to the arbitrary described turntable agent structure of claim 2 to 8, it is characterized in that said first assembly and/or said second assembly comprise split type member more than two, wherein:
Two the above split type members are being fixed together through said fastening structure on the Width of said turntable agent structure and/or on the length direction and/or on the thickness direction;
Said fastening structure is one of them or multiple combination of bearing pin connection structure, bolt fastening structure, screw connection structure or buckle connection structure, welded structure, articulated structure, glue adhesive structure.
10. a hoisting crane is characterized in that, comprises the turn table of the arbitrary described turntable agent structure of claim 1 to 9 and arm, swing type mechanism, hoisting mechanism, power system, hydraulic efficiency pressure system and operator's compartment, wherein:
One of them is installed on the turn table of said at least arm, said swing type mechanism, said hoisting mechanism, said power system, said hydraulic efficiency pressure system and said operator's compartment on the said turntable agent structure;
Said first assembly and said second assembly are respectively the left side vertical plate and the right side riser of said turntable agent structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201120506182 CN202358854U (en) | 2011-12-08 | 2011-12-08 | Turntable main body structure and crane provided with same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201120506182 CN202358854U (en) | 2011-12-08 | 2011-12-08 | Turntable main body structure and crane provided with same |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202358854U true CN202358854U (en) | 2012-08-01 |
Family
ID=46570058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201120506182 Expired - Lifetime CN202358854U (en) | 2011-12-08 | 2011-12-08 | Turntable main body structure and crane provided with same |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202358854U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102431917A (en) * | 2011-12-08 | 2012-05-02 | 徐工集团工程机械股份有限公司 | Rotary table main body structure and crane provided with same |
CN104803305A (en) * | 2015-04-29 | 2015-07-29 | 中联重科股份有限公司 | Rotary table and engineering machinery |
-
2011
- 2011-12-08 CN CN 201120506182 patent/CN202358854U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102431917A (en) * | 2011-12-08 | 2012-05-02 | 徐工集团工程机械股份有限公司 | Rotary table main body structure and crane provided with same |
CN104803305A (en) * | 2015-04-29 | 2015-07-29 | 中联重科股份有限公司 | Rotary table and engineering machinery |
CN104803305B (en) * | 2015-04-29 | 2017-02-01 | 中联重科股份有限公司 | Rotary table and engineering machinery |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102431917B (en) | Rotary table main body structure for crane | |
CN214570313U (en) | Lower chord connecting structure of cargo boom of flat-top tower crane | |
CN202358854U (en) | Turntable main body structure and crane provided with same | |
CN102381640B (en) | Detachable truss arm structure and truss arm type crane | |
CN202628727U (en) | Split crankshaft gear of high-power diesel engine | |
CN102312793B (en) | A wind turbine tower | |
CN103407917B (en) | A kind of telescopic revolution shift fork of crawler crane and crawler crane | |
CN210825123U (en) | Hoisting lug assembly for cold box plate of fractionating tower | |
CN203603366U (en) | Extensive cantilever truss | |
CN204211393U (en) | A kind of wind-powered electricity generation lifts special arm head | |
CN2885810Y (en) | K-shape web-member assembling type rapid-installation tower section | |
CN201922873U (en) | Heavy-duty truck balance suspension system | |
CN202220046U (en) | Modified connection structure and connection piece of truss girder of gantry crane | |
CN204211397U (en) | Assembly type standard knot | |
CN210317206U (en) | Catwalk machine | |
CN202579479U (en) | Flange, connection flange and wind turbine generator set | |
CN105347207A (en) | Combined type cantilever crane | |
CN201580368U (en) | Movable engineering machinery and supporting leg thereof | |
CN102616681A (en) | Cargo boom root segment and tower crane comprising same | |
CN202743109U (en) | Torsion barrel of frame of dump truck for heavy ore | |
CN202659650U (en) | Rotary joint subassembly for guardrail and guardrail | |
CN202513527U (en) | Large-span tension-resisting adhesion-in-tower type crescent steel tube hanging point structure | |
CN206092009U (en) | A convenient to detach component for underground works prefab | |
CN205273607U (en) | Articulated light -duty agricultural self -discharging transport vechicle of formula is with articulated deflector | |
CN210457083U (en) | Double-pin shaft structure suitable for connection between girder sections of pipe truss structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120801 |