CN103420276A - Combined turntable and crane - Google Patents
Combined turntable and crane Download PDFInfo
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- CN103420276A CN103420276A CN2012101539829A CN201210153982A CN103420276A CN 103420276 A CN103420276 A CN 103420276A CN 2012101539829 A CN2012101539829 A CN 2012101539829A CN 201210153982 A CN201210153982 A CN 201210153982A CN 103420276 A CN103420276 A CN 103420276A
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Abstract
The invention discloses a combined turntable and a crane, relates to the technology field of engineering machinery, and solves the technology problems of narrow application range and high cost in the prior art. The combined turntable comprises a lower part turntable member, an upper part turntable member, a middle part turntable member, and a tail part turntable member, wherein the lower part turntable member is arranged on the bottom of the upper part turntable member, the lower part turntable member is detachably and fixedly connected to the upper part turntable member, the middle part turntable member is detachably and fixedly connected to the upper part turntable member, and/or, the middle part turntable member is detachably and fixedly connected to the lower part turntable member, and the tail part turntable member is detachably and fixedly connected to the middle part turntable member. The crane comprises the combined turntable, and also comprises a lower chassis, a super-hoisting mast bottom knuckle, a propeller strut, a revolution supporting part, a backstage vehicle, a super-hoisting amplitude-variable hoist, a main lifting hoist, and a mast amplitude-variable hoist. The combined turntable and the crane are used for improving added value of the combined turntable, and reducing the crane cost.
Description
Technical field
The present invention relates to technical field of engineering machinery, the hoisting crane that is specifically related to a kind of combined turntable and this combined turntable is set.
Background technology
Crawler crane is a kind of truss-type cantilever crane structure hoisting crane that adopts caterpillar band traveling chassis.Turntable be on crawler crane for placing the stage apparatus of power system, power hydraulic system, be also simultaneously to connect to get on the bus and the crucial load bearing component of getting off.
At present, two car turntables that turntable is divided into the bicycle turntable that is applied to little tonnage hoisting crane and is applied to hoister in large tonnage.As shown in Figure 1, existing bicycle turntable is comprised of leading portion 21 and trailing portion 22 two parts (two parts before and after being called for short), the leading portion of bicycle turntable 21 and trailing portion 22 can be transported respectively in transportation, during use, the leading portion of bicycle turntable 21 and trailing portion 22 detachably can be fixed together to the bicycle turntable of complete by bearing pin.
At least there is following technical matters in prior art:
Existing bicycle turntable leading portion 21 and trailing portion 22 as shown in Figure 1 only can be used as the bicycle turntable in little tonnage hoisting crane, narrow application range, hoister in large tonnage must design the turntable different from little tonnage hoisting crane and use as two car turntables, designing new turntable can increase the cost of turntable and even hoisting crane, causes the cost of product higher.
Summary of the invention
The objective of the invention is the hoisting crane that proposes a kind of combined turntable and this combined turntable is set, solved prior art and had narrow application range, technical matters that cost is high.
For achieving the above object, the invention provides following technical scheme:
Combined turntable provided by the invention, comprise lower turntable member, top turntable member, middle part turntable member and afterbody turntable member, wherein:
Described lower turntable member is positioned at the bottom of described top turntable member, and described lower turntable member detachably is fixedly connected with described top turntable member;
Described middle part turntable member detachably is fixedly connected with described top turntable member, and/or described middle part turntable member detachably is fixedly connected with described lower turntable member;
Described afterbody turntable member detachably is fixedly connected with described middle part turntable member.
Preferably, described combined turntable comprises two described middle part turntable members, and described combined turntable also comprises the pull bar that the two ends on axial direction are fixedly connected with two described middle part turntable members respectively, wherein:
Described lower turntable member is plate-like or ring-type, and the length dimension of described top turntable member is greater than the radial dimension of described lower turntable member;
Described afterbody turntable member comprises the first tail wall and the second tail wall that position is relative, also comprises and is connected in relative described the first tail wall in position, the afterbody connector between described the second tail wall;
One end of a described middle part turntable member in two described middle part turntable members detachably is fixedly connected with the end on the turntable member length direction of described top, and the other end of this middle part turntable member detachably is fixedly connected with the described first tail wall of described afterbody turntable member;
One end of another the described middle part turntable member in two described middle part turntable members detachably is fixedly connected with the other end on the turntable member length direction of described top, and the other end of this middle part turntable member detachably is fixedly connected with the described second tail wall of described afterbody turntable member.
Preferably, the two ends of described pull bar are provided with the ears connecting portion, and the part that each described middle part turntable member approaches described afterbody turntable member is provided with at least one monaural connecting portion, between described monaural connecting portion and described ears connecting portion, for bearing pin, are connected.
Preferably, 1/4～1/2 of the length dimension that the radial dimension of the spacing between two described middle part turntable members or described lower turntable member is described top turntable member.
Preferably, two described middle part turntable members are mutually symmetrical and are arranged between described top turntable member and described afterbody turntable member.
Preferably, described combined turntable comprises a described middle part turntable member, wherein:
One end of described middle part turntable member detachably is fixedly connected with described top turntable member, and/or an end of described middle part turntable member detachably is fixedly connected with described lower turntable member;
The other end of described middle part turntable member detachably is fixedly connected with described afterbody turntable member.
Preferably, the width dimensions of described middle part turntable member is identical with the width dimensions of described afterbody turntable member.
Preferably, described lower turntable member comprises the main part of ring-type or plate-like and is two relative edge sections of integral type structure and position with described main part, the gauge of described edge section is less than the gauge of described main part, and be provided with mounting hole in described edge section, the bottom that described top turntable member extends towards the direction that deviates from described afterbody turntable member in one of them described edge section.
Preferably, described lower turntable member, top turntable member, middle part turntable member and afterbody turntable member are steel plate butt welding and form, and the described bearing pin that detachably is fixedly connected as connects.
Hoisting crane provided by the invention, comprise the combined turntable that the arbitrary technical scheme of the present invention provides, also comprise lower chassis, principal arm coxopodite arm, surpassed mast coxopodite arm, Shears, revolution strut member, rear chassis, surpassed luffing elevator, main hoist elevator and mast luffing elevator, wherein:
Be provided with annular trolley track on described lower chassis, the wheel of described rear chassis presses on described trolley track and can roll on described trolley track or slide;
One of them is fixedly connected with the outer ring of described revolution strut member and inner ring with the lower vehicle carriage of described lower chassis, and with inner ring, wherein another is fixedly connected with described lower turntable member in the outer ring of described revolution strut member;
The framework of the wheel of described rear chassis is fixedly connected with described middle part turntable member or described top turntable member;
Describedly surpassed luffing elevator and described master and hoisted within elevator is arranged at described middle part turntable member, within described mast luffing elevator is arranged at described afterbody turntable member;
Described hoisting crane also comprises and surpassed the counterbalanced weight luffing mechanism, and the described counterbalanced weight luffing mechanism that surpassed is arranged on described afterbody turntable member; Perhaps, described hoisting crane also comprises left chassis, right chassis and rear car tie-beam, described left chassis and described right chassis wheel separately all press on described trolley track and can roll on described trolley track or slide, described left chassis is fixedly connected with described middle part turntable member with the framework of described right chassis described wheel separately, and described rear car tie-beam is fixedly connected with described afterbody turntable member.
Arbitrary technical scheme based in technique scheme, the embodiment of the present invention at least can produce following technique effect:
Due to the lower turntable member in combined turntable provided by the invention, middle part turntable member and afterbody turntable member not only can be used as the component part of bicycle turntable but also can be used as the component part of two car turntables, have advantages of that a member is dual-purpose, thus, the lower turntable member, top turntable member, middle part turntable member and afterbody turntable member both can be assembled into the bicycle turntable and use in little tonnage hoisting crane, can also be assembled into two car turntables uses in the large-tonnage lifting, for the user has saved turntable of many purchases or has bought the expense of some turntable members more, so reduced cost, and then solved prior art and had narrow application range, the technical matters that cost is high.
In addition, because the Applicable scope of combined turntable inner member provided by the invention is wider, so value-added content of product is larger, fully having realized the maximization of product function, in addition, is compound type so be convenient to dismounting, transportation, assembling due to product.
The accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
The schematic diagram that Fig. 1 is the spatial structure of the bicycle turntable of application in the medium and small tonnage hoisting crane of prior art;
The schematic diagram of the spatial structure of the combined turntable of applying in the hoister in large tonnage that Fig. 2 provides for the embodiment of the present invention;
A schematic diagram of the spatial structure that Fig. 3 is lower turntable member shown in Fig. 2;
Another schematic diagram of the spatial structure that Fig. 4 is lower turntable member shown in Fig. 2;
A schematic diagram of the spatial structure that Fig. 5 is the member of top turntable shown in Fig. 2;
Another schematic diagram of the spatial structure that Fig. 6 is the member of top turntable shown in Fig. 2;
A schematic diagram of the spatial structure that Fig. 7 is the turntable member of middle part shown in Fig. 2;
The schematic diagram that Fig. 8 is the spatial structure of pull bar shown in Fig. 2;
A schematic diagram of the spatial structure that Fig. 9 is the member of afterbody turntable shown in Fig. 2;
The schematic diagram of annexation between lower turntable member and rotary reducer, revolution strut member, gear drive and turntable terminal pad in the hoister in large tonnage that Figure 10 provides for the embodiment of the present invention;
The schematic diagram of the annexation between seat ring and lower vehicle carriage of getting off in the hoister in large tonnage that Figure 11 provides for the embodiment of the present invention;
The schematic diagram of position relationship between lower turntable member and lower chassis, crawler belt in the hoister in large tonnage that Figure 12 provides for the embodiment of the present invention;
The schematic diagram of lifting top turntable member in the process that Figure 13 is the combined turntable applied in the hoister in large tonnage of the embodiment of the present invention being installed providing;
In the process that Figure 14 is the combined turntable applied in the hoister in large tonnage of the embodiment of the present invention being installed providing by top turntable lifting component the schematic diagram on the lower turntable member time;
In the process that Figure 15 is the combined turntable applied in the hoister in large tonnage of the embodiment of the present invention being installed providing by middle part turntable lifting component the schematic diagram during to top turntable member;
The schematic diagram of annexation between two middle part turntable members and top turntable member, pull bar in the process that Figure 16 is the combined turntable applied in the hoister in large tonnage of the embodiment of the present invention being installed providing;
In the process that Figure 17 is the combined turntable applied in the hoister in large tonnage of the embodiment of the present invention being installed providing by afterbody turntable lifting component the schematic diagram during to middle part turntable member;
A schematic diagram of the annexation in the hoister in large tonnage that Figure 18 provides for the embodiment of the present invention between combined turntable and other framing members;
Another schematic diagram of the annexation in the hoister in large tonnage that Figure 19 provides for the embodiment of the present invention between combined turntable and other framing members;
A schematic diagram again of the annexation in the hoister in large tonnage that Figure 20 provides for the embodiment of the present invention between combined turntable and other framing members;
The schematic diagram of a spatial structure of the combined turntable of applying in the little tonnage hoisting crane that Figure 21 provides for the embodiment of the present invention;
The schematic diagram of another spatial structure of the combined turntable of applying in the little tonnage hoisting crane that Figure 22 provides for the embodiment of the present invention;
The schematic diagram of annexation between lower turntable member and rotary reducer, revolution strut member, gear drive and turntable terminal pad in the little tonnage hoisting crane that Figure 23 provides for the embodiment of the present invention;
The schematic diagram of the annexation between seat ring and lower vehicle carriage of getting off in the little tonnage hoisting crane that Figure 24 provides for the embodiment of the present invention;
The schematic diagram of position relationship between lower turntable member and lower chassis, crawler belt in the little tonnage hoisting crane that Figure 25 provides for the embodiment of the present invention;
The schematic diagram of lifting top turntable member in the process that Figure 26 is the combined turntable applied in the little tonnage hoisting crane of the embodiment of the present invention being installed providing;
In the process that Figure 27 is the combined turntable applied in the little tonnage hoisting crane of the embodiment of the present invention being installed providing by top turntable lifting component the schematic diagram on the lower turntable member time;
The schematic diagram of a spatial structure of the combined turntable middle and upper part turntable member of applying in the little tonnage hoisting crane that Figure 28 provides for the embodiment of the present invention;
The schematic diagram of another spatial structure of the combined turntable middle and upper part turntable member of applying in the little tonnage hoisting crane that Figure 29 provides for the embodiment of the present invention;
In the process that Figure 30 is the combined turntable applied in the little tonnage hoisting crane of the embodiment of the present invention being installed providing by middle part turntable lifting component the schematic diagram on lower turntable member and top turntable member the time;
In the process that Figure 31 is the combined turntable applied in the little tonnage hoisting crane of the embodiment of the present invention being installed providing by afterbody turntable lifting component the schematic perspective view during to middle part turntable member;
The schematic diagram of the annexation in the little tonnage hoisting crane that Figure 32 provides for the embodiment of the present invention between combined turntable and other framing members.
The specific embodiment
Below by accompanying drawing Fig. 2～Figure 32 and the mode of enumerating optional embodiment more of the present invention, technical scheme of the present invention (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characterictic in the present embodiment, any technical scheme is all the technical characterictic of plurality of optional or one or more in optional technical scheme, can't exhaustive all alternative technical characterictics of the present invention and alternative technical scheme in order to describe succinct need in presents, the embodiment that also is not easy to each technical characterictic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characterictic and any technical scheme in the present embodiment all do not limit the scope of the invention, protection scope of the present invention should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
The embodiment of the present invention provides that a kind of member is applied widely, cost is low and has been convenient to transportation, the combined turntable of assembling and the hoisting crane that this combined turntable is set.
Below in conjunction with accompanying drawing Fig. 2～Figure 32, technical scheme provided by the invention is described by way of example.
As shown in Fig. 2～Figure 32, the combined turntable that the embodiment of the present invention provides, comprise as shown in Figure 2, Figure 3 and Figure 4 lower turntable member 1, top turntable member 2, middle part turntable member 3 as shown in Figure 7 and afterbody turntable member 4 as shown in Figure 9 as shown in Figure 5 and Figure 6, wherein: lower turntable member 1 is positioned at the bottom of top turntable member 2, and lower turntable member 1 detachably is fixedly connected with (being preferably bearing pin is connected) with top turntable member 2.
Middle part turntable member 3 detachably is fixedly connected with top turntable member 2, and/or middle part turntable member 3 detachably is fixedly connected with (middle part turntable member 3 is preferably with top turntable member 2 and lower turntable member 1 and all detachably is fixedly connected with) with lower turntable member 1.
Certainly, in the present invention, use the detachable fixed connection structure such as bolt, screw with the technical scheme that substitutes bearing pin and connect also within protection scope of the present invention.
Can be detachably and be fixedly connected with between lower turntable member 1, top turntable member 2, middle part turntable member 3 and afterbody turntable member 4 as shown in Fig. 2, Figure 21 or Figure 22 in the present invention, so the suitable member of Selective type from above-mentioned member as required, and as required the concrete structure of the number of selected member or member to be assembled into the combined turntable that is applicable to different tonnage hoisting cranes.
Turntable embodiment 1:
As shown in Fig. 2～Figure 20, in this turntable embodiment, combined turntable comprises two middle part turntable members 3 as shown in Fig. 2, Fig. 7, Figure 15, Figure 16 and Figure 17, this combined turntable also comprises the pull bar 5 that the two ends on axial direction are fixedly connected with as shown in Fig. 2, Fig. 8 and Figure 16 with two middle part turntable members 3 respectively, wherein:
Two as shown in Figure 2 an end of a middle part turntable member 3 in middle part turntable member 3 with an end and lower turntable member 1 on turntable member 2 length directions of top, detachably be fixedly connected with, and the other end of this middle part turntable member 3 detachably is fixedly connected with the first tail wall 41 of afterbody turntable member 4.
Two as shown in Figure 2 an end of another middle part turntable member 3 in middle part turntable member 3 with the other end and lower turntable member 1 on turntable member 2 length directions of top, detachably be fixedly connected with, and the other end of this middle part turntable member 3 detachably is fixedly connected with the second tail wall 42 of afterbody turntable member 4.
The effect of the pull bar 5 as shown in Fig. 2, Fig. 8, Figure 16 and Figure 17 is that it can carry out spacing to two middle part turntable members 3 preferably, thereby, after making two middle part turntable member 3 installations, between two middle part turntable members 3, positional precision load higher, that bear is larger.In this example as shown in Figure 8 the two ends of pull bar 5 be provided with ears connecting portion 51, the part that each middle part turntable member 3 approaches afterbody turntable member 4 is provided with at least one (being preferably two in this example) monaural connecting portion 52 as shown in Figure 7, and between monaural connecting portion 52 and ears connecting portion 51, bearing pin is connected.Monaural connecting portion 52 all offers connecting through hole with ears connecting portion 51, and bearing pin runs through connecting through hole and the connecting through hole on ears connecting portion 51 on monaural connecting portion 52 and monaural connecting portion 52 and ears connecting portion 51 are fixed together.
Certainly, the monaural connecting portion is set on pull bar 5, on middle part turntable member 3, arrange the ears connecting portion with the technical scheme that realizes pull bar 5 and be connected with middle part turntable member 3 also within protection scope of the present invention.
Assembling in the process of above-mentioned member can be according to getting on, get off, first in after outer order install, be preferably:
As shown in Figure 10～Figure 17, constituent components first links together lower turntable member 1 and revolution strut member 10, rotary reducer 121, gear drive 67, turntable terminal pad 130 and power bearing pin 140, then this assembly is installed on shown in Figure 11 on the lower vehicle carriage 63 that is welded with the seat ring 61 of getting off, wherein: also be installed with locating piece 62 on lower vehicle carriage 63,62 pairs of turntable terminal pads 130 of locating piece play position-limiting action.The inner ring of revolution strut member 10 can be fixedly connected with by power bearing pin 140 with turntable terminal pad 130, and the outer ring of revolution strut member 10 can be fixedly connected with lower vehicle carriage 63 by the seat ring 61 of getting off.The circumferential direction that the inner ring of revolution strut member 10 and the energy wraparound of its outer ring turn strut member 10 relatively rotates (structure of similar bearing), and the main shaft of rotary reducer 121 can turn the circumferential direction of strut member 10 with respect to lower vehicle carriage 63 rotations by gear drive 67 drive turntable terminal pads 130 and 1 wraparound of lower turntable member.
After lower turntable member 1 installs as shown in figure 12, top turntable member 2 as shown in Figure 13 and Figure 14 then is installed, and then will as shown in Figure 15, Figure 16 and Figure 17, with top turntable member 2 and lower turntable member 1, be installed together by middle part turntable member 3, pull bar 5 then is installed, afterbody turntable member 4 as shown in Fig. 9 and Figure 17 finally is installed.
In the present embodiment two as shown in Figure 16 and Figure 17 the spacing between middle part turntable member 3 can be preferably 1/3 for 1/4～1/2(of the length dimension of top turntable member 2).The radial dimension of lower turntable member 1 also can be preferably 1/3 for 1/4～1/2(of the length dimension of top turntable member 2).More compact on structure between each member in this structure, in addition, middle part turntable member 3 also can be shared the load that top turntable member 2 applies it more uniformly.Certainly, the technical scheme that the radial dimension of two technical schemes that the spacing between middle part turntable member 3 be other sizes as shown in Figure 16 and Figure 17 and lower turntable member 1 is other sizes is also within protection scope of the present invention.
In the present embodiment, the width dimensions of middle part turntable member 3 can be identical with the width dimensions of afterbody turntable member 4.In this structure, an independent middle part turntable member 3 just can be realized and the docking of afterbody turntable member 4, and then can also form the bicycle turntable, use (this scheme specifically describes in detail in presents turntable embodiment 2) as the composition member of bicycle turntable in little tonnage hoisting crane.
In the present embodiment two as shown in Figure 16 and Figure 17 middle part turntable member 3 be mutually symmetrical (herein symmetry can for rotational symmetry also can centered by symmetrical, also not only rotational symmetry but also Central Symmetry) be arranged between top turntable member 2 and afterbody turntable member 4.Symmetrically arranged two middle part turntable members 3 can be more even, balance share the load that external force applies, the load that the combined turntable structural entity is born is larger, the life-span is longer.
In the present embodiment as shown in Figure 2, Figure 3 and Figure 4 lower turntable member 1 comprise the main part 11 of ring-type or plate-like and be relative two the edge sections 12 of integral type structure and position with main part 11, the gauge of edge section 12 is less than the gauge of main part 11, and be provided with mounting hole 120 in edge section 12, the bottom that top turntable member 2 extends towards the direction that deviates from afterbody turntable member 4 in one of them edge section 12.Mounting hole 120 is for running through the rotary reducer 121 arranged as shown in Figure 10 and Figure 14.Main part 11 need to bear larger bearing force, so need larger gauge.
In the present embodiment, lower turntable member 1, top turntable member 2, middle part turntable member 3 and afterbody turntable member 4 as shown in Figure 2 can be steel plate butt welding and form.The framing member intensity that steel plate butt welding forms is high, draws materials conveniently.Certainly, the lower turntable member 1 formed by the one-shot forming technique manufacture, top turntable member 2, middle part turntable member 3 and afterbody turntable member 4 are also within protection scope of the present invention.
Turntable embodiment 2:
As shown in Figure 21～Figure 32, this turntable embodiment 2 is with its difference of turntable embodiment 1: in the present embodiment, combined turntable comprises a middle part turntable member 3, wherein:
One end of top turntable member 2 middle part turntable members 3 detachably is fixedly connected with, and/or, lower turntable member 1 detachably is fixedly connected with (top turntable member 2 and lower turntable member 1 preferably all detachably are fixedly connected with an end of middle part turntable member 3) with an end of middle part turntable member 3, afterbody turntable member 4 detachably is fixedly connected with the other end of middle part turntable member 3.
The combined turntable of this structure can be applied in little tonnage hoisting crane as the bicycle turntable, and now in this bicycle turntable, the middle part turntable member 3 as shown in Figure 21 and Figure 22, lower turntable member 1 and afterbody turntable member 4 all are preferably identical with middle part turntable member 3, lower turntable member 1 and afterbody turntable member 4 as shown in Figure 2 in turntable embodiment 1 of the present invention.Visible: the composition member that the middle part turntable member 3 in the present embodiment, lower turntable member 1 and afterbody turntable member 4 both can be used as the bicycle turntable is used in little tonnage hoisting crane, and the composition member that can be used as again two car turntables is used in the large-tonnage lifting.Top turntable member 2 in this example is distinct with top turntable member 2 structures in turntable embodiment 1 of the present invention, and number and the number in embodiment 1 of middle part turntable member 3 are distinct.
Assemble in the process of combinations thereof formula turntable in this example similar with turntable embodiment 1 of the present invention, can be according to getting on, get off, first in after outer order install, be preferably:
As shown in Figure 23～Figure 31, constituent components first links together lower turntable member 1 and revolution strut member 10, rotary reducer 121, gear drive 67, turntable terminal pad 130 and power bearing pin 140, then this assembly is installed on shown in Figure 24 on the lower vehicle carriage 63 that is welded with the seat ring 61 of getting off, wherein: on lower vehicle carriage 63, be installed with locating piece 62.The inner ring of revolution strut member 10 can be fixedly connected with by power bearing pin 140 with turntable terminal pad 130, and the outer ring of revolution strut member 10 can be fixedly connected with lower vehicle carriage 63 by the seat ring 61 of getting off.The circumferential direction that the inner ring of revolution strut member 10 and the energy wraparound of its outer ring turn strut member 10 relatively rotates (structure of similar bearing), and the main shaft of rotary reducer 121 can turn the circumferential direction of strut member 10 with respect to lower vehicle carriage 63 rotations by gear drive 67 drive turntable terminal pads 130 and 1 wraparound of lower turntable member.
After lower turntable member 1 installs as shown in figure 25, top turntable member 2 as shown in Figure 26, Figure 27, Figure 28 and Figure 29 then is installed, and then middle part turntable member 3 is installed together with top turntable member 2 and lower turntable member 1 as shown in figure 30, finally lifts afterbody turntable member 4 as shown in figure 31.
Hoisting crane embodiment 1:
As shown in Figure 18, Figure 19 and Figure 20, the hoisting crane that this hoisting crane embodiment provides is hoister in large tonnage.Concrete great tonnage belongs to large-tonnage, and great tonnage belongs to little tonnage can be controlled by technical personnel, also can be according to the custom of this area.
The hoisting crane that hoisting crane embodiment 1 of the present invention provides, comprise the combined turntable that turntable embodiment 1 of the present invention provides, also comprise descending as shown in figure 18 chassis 6, principal arm coxopodite arm 7, having surpassed mast coxopodite arm 8, Shears 9, revolution strut member 10, rear chassis 180 as shown in figure 20, surpass luffing elevator 12 as shown in figure 19, lead hoist elevator 13 and mast luffing elevator 14, wherein:
Descend as shown in figure 18 on chassis 6 to be provided with annular trolley track 15, the wheel of rear chassis 180 as shown in figure 20 presses on trolley track 15 and can roll on trolley track 15 or slide.
Outer ring and the inner ring one of them (this example is preferably outer ring) of revolution strut member 10 are fixedly arranged on the lower vehicle carriage 63 of lower chassis 6, and the outer ring of turning round strut member 10 and inner ring wherein another (this example is preferably inner ring) are fixedly connected with lower turntable member 1.
As shown in figure 20, the framework (wheel can rotate with respect to framework) of the wheel of chassis 180 is with middle part turntable member 3 or top turntable member 2 are fixedly connected with as shown in Figure 2.Surpassed as shown in figure 19 within luffing elevator 12 and the main elevator 13 that hoists be arranged at middle part turntable member 3, within mast luffing elevator 14 is arranged at afterbody turntable member 4.
Hoisting crane also comprises left chassis 181, right chassis 182 and rear car tie-beam 19 as shown in figure 18, left chassis 181 and right chassis 182 wheel separately all press on trolley track 15 and can roll on trolley track 15 or slide, and left chassis 181 is fixedly connected with middle part turntable member 3 with the framework of right chassis 182 wheel separately.Rear car tie-beam 19 is fixedly connected with afterbody turntable member 4.
Hoisting crane embodiment 2:
Shown in figure 32, the difference of this hoisting crane embodiment and hoisting crane embodiment 1 is: the hoisting crane that present embodiment provides is little tonnage hoisting crane.
This hoisting crane comprises the combined turntable that turntable embodiment 2 of the present invention provides, also comprise descending shown in figure 32 chassis 6, principal arm coxopodite arm 7, having surpassed mast coxopodite arm 8, Shears 9, revolution strut member 10, rear chassis 180, surpass luffing elevator 12, lead hoist elevator 13 and mast luffing elevator 14, wherein:
Be provided with annular trolley track 15 on lower chassis 6, the wheel of rear chassis 180 presses on trolley track 15 and can roll on trolley track 15 or slide.
Outer ring and the inner ring one of them (this example is preferably outer ring) of revolution strut member 10 are fixedly arranged on the lower vehicle carriage 63 of lower chassis 6, and the outer ring of turning round strut member 10 and inner ring wherein another (this example is preferably inner ring) are fixedly connected with lower turntable member 1.
The framework of the wheel of rear chassis 180 (wheel can rotate with respect to framework) is fixedly connected with middle part turntable member 3 or top turntable member 2 as shown in Figure 21, Figure 32.Surpassed within luffing elevator 12 and the main elevator 13 that hoists be arranged at middle part turntable member 3, within mast luffing elevator 14 is arranged at afterbody turntable member 4.
The hoisting crane that present embodiment provides comprises and has surpassed shown in figure 32 counterbalanced weight luffing mechanism 17, has surpassed counterbalanced weight luffing mechanism 17 and has been arranged on afterbody turntable member 4.
The composition member that both can be used as the bicycle turntable due to partial component in combined turntable provided by the invention (the middle part turntable member 3 as shown in Fig. 2 or Figure 21, lower turntable member 1 and afterbody turntable member 4) is used in little tonnage hoisting crane, the composition member that can be used as again two car turntables is used in the large-tonnage lifting, make combined turntable of the present invention have advantages of that one (combined turntable) is dual-purpose, for the user has saved turntable of many purchases or bought the expense of some turntable members more, so reduced cost.
The disclosed arbitrary technical scheme of the invention described above unless otherwise stated, disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the apparent in view or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, can't be exhaustive, so the present invention just discloses part numerical value with casehistory technical scheme of the present invention, and the above-mentioned numerical value of enumerating should not form the restriction to the invention protection domain.
Simultaneously, parts or the framing member of the disclosed or connection fastened to each other that relates to of the invention described above, unless otherwise stated, be fixedly connected with all and can be understood as: can be fixedly connected with (for example using bolt or screw to connect) with dismantling, also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously can't adopt except integrally formed technique) by integral type structure (use foundry technique is integrally formed to be created).
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (10)
1. a combined turntable, is characterized in that, comprises lower turntable member, top turntable member, middle part turntable member and afterbody turntable member, wherein:
Described lower turntable member is positioned at the bottom of described top turntable member, and described lower turntable member detachably is fixedly connected with described top turntable member;
Described middle part turntable member detachably is fixedly connected with described top turntable member, and/or described middle part turntable member detachably is fixedly connected with described lower turntable member;
Described afterbody turntable member detachably is fixedly connected with described middle part turntable member.
2. combined turntable according to claim 1, it is characterized in that, described combined turntable comprises two described middle part turntable members, and described combined turntable also comprises the pull bar that the two ends on axial direction are fixedly connected with two described middle part turntable members respectively, wherein:
Described lower turntable member is plate-like or ring-type, and the length dimension of described top turntable member is greater than the radial dimension of described lower turntable member;
Described afterbody turntable member comprises the first tail wall and the second tail wall that position is relative, also comprises and is connected in relative described the first tail wall in position, the afterbody connector between described the second tail wall;
One end of a described middle part turntable member in two described middle part turntable members detachably is fixedly connected with the end on the turntable member length direction of described top, and the other end of this middle part turntable member detachably is fixedly connected with the described first tail wall of described afterbody turntable member;
One end of another the described middle part turntable member in two described middle part turntable members detachably is fixedly connected with the other end on the turntable member length direction of described top, and the other end of this middle part turntable member detachably is fixedly connected with the described second tail wall of described afterbody turntable member.
3. combined turntable according to claim 2, it is characterized in that, the two ends of described pull bar are provided with the ears connecting portion, the part that each described middle part turntable member approaches described afterbody turntable member is provided with at least one monaural connecting portion, between described monaural connecting portion and described ears connecting portion, for bearing pin, is connected.
4. combined turntable according to claim 2, is characterized in that, 1/4～1/2 of the length dimension that the spacing between two described middle part turntable members or the radial dimension of described lower turntable member are described top turntable member.
5. combined turntable according to claim 2, is characterized in that, two described middle part turntable members are mutually symmetrical and are arranged between described top turntable member and described afterbody turntable member.
6. combined turntable according to claim 1, is characterized in that, described combined turntable comprises a described middle part turntable member, wherein:
One end of described middle part turntable member detachably is fixedly connected with described top turntable member, and/or an end of described middle part turntable member detachably is fixedly connected with described lower turntable member;
The other end of described middle part turntable member detachably is fixedly connected with described afterbody turntable member.
7. combined turntable according to claim 6, is characterized in that, the width dimensions of described middle part turntable member is identical with the width dimensions of described afterbody turntable member.
8. according to the arbitrary described combined turntable of claim 1-7, it is characterized in that, described lower turntable member comprises the main part of ring-type or plate-like and is two relative edge sections of integral type structure and position with described main part, the gauge of described edge section is less than the gauge of described main part, and be provided with mounting hole in described edge section, the bottom that described top turntable member extends towards the direction that deviates from described afterbody turntable member in one of them described edge section.
9. according to the arbitrary described combined turntable of claim 1-7, it is characterized in that, described lower turntable member, top turntable member, middle part turntable member and afterbody turntable member are steel plate butt welding and form, and the described bearing pin that detachably is fixedly connected as connects.
10. a hoisting crane, it is characterized in that, comprise the arbitrary described combined turntable of claim 1-9, also comprise lower chassis, principal arm coxopodite arm, surpassed mast coxopodite arm, Shears, revolution strut member, rear chassis, surpassed luffing elevator, main hoist elevator and mast luffing elevator, wherein:
Be provided with annular trolley track on described lower chassis, the wheel of described rear chassis presses on described trolley track and can roll on described trolley track or slide;
One of them is fixedly connected with the outer ring of described revolution strut member and inner ring with the lower vehicle carriage of described lower chassis, and with inner ring, wherein another is fixedly connected with described lower turntable member in the outer ring of described revolution strut member;
The framework of the wheel of described rear chassis is fixedly connected with described middle part turntable member or described top turntable member;
Describedly surpassed luffing elevator and described master and hoisted within elevator is arranged at described middle part turntable member, within described mast luffing elevator is arranged at described afterbody turntable member;
Described hoisting crane also comprises and surpassed the counterbalanced weight luffing mechanism, and the described counterbalanced weight luffing mechanism that surpassed is arranged on described afterbody turntable member; Perhaps, described hoisting crane also comprises left chassis, right chassis and rear car tie-beam, described left chassis and described right chassis wheel separately all press on described trolley track and can roll on described trolley track or slide, described left chassis is fixedly connected with described middle part turntable member with the framework of described right chassis described wheel separately, and described rear car tie-beam is fixedly connected with described afterbody turntable member.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210153982.9A CN103420276B (en) | 2012-05-17 | 2012-05-17 | Combined turntable and crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210153982.9A CN103420276B (en) | 2012-05-17 | 2012-05-17 | Combined turntable and crane |
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| CN103420276A true CN103420276A (en) | 2013-12-04 |
| CN103420276B CN103420276B (en) | 2015-04-29 |
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| CN201210153982.9A Active CN103420276B (en) | 2012-05-17 | 2012-05-17 | Combined turntable and crane |
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| CN103964317A (en) * | 2014-04-24 | 2014-08-06 | 浙江三一装备有限公司 | Tracked crane |
| CN104150379A (en) * | 2014-08-29 | 2014-11-19 | 辽宁抚挖重工机械股份有限公司 | Ultra-large type crawler crane wheel set type bearing trolley device |
| CN108275584A (en) * | 2018-04-11 | 2018-07-13 | 徐工集团工程机械股份有限公司 | One kind having multi-functional straight rail super large heavy-duty hoisting equipment |
| CN112960574A (en) * | 2021-04-28 | 2021-06-15 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane counterweight bracket and crane |
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