CN102296823A - Folding outrigger system and concrete distribution device with same - Google Patents

Folding outrigger system and concrete distribution device with same Download PDF

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Publication number
CN102296823A
CN102296823A CN2011101611282A CN201110161128A CN102296823A CN 102296823 A CN102296823 A CN 102296823A CN 2011101611282 A CN2011101611282 A CN 2011101611282A CN 201110161128 A CN201110161128 A CN 201110161128A CN 102296823 A CN102296823 A CN 102296823A
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CN
China
Prior art keywords
jib
hook
hook portion
assembly
relative sides
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Granted
Application number
CN2011101611282A
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Chinese (zh)
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CN102296823B (en
Inventor
郭岗
黄柯
周灵晶
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Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd
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Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd
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Application filed by Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd filed Critical Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd
Priority to CN201110161128.2A priority Critical patent/CN102296823B/en
Priority to PCT/CN2011/076115 priority patent/WO2012171229A1/en
Publication of CN102296823A publication Critical patent/CN102296823A/en
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Publication of CN102296823B publication Critical patent/CN102296823B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/54Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04Devices for both conveying and distributing
    • E04G21/0418Devices for both conveying and distributing with distribution hose
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04Devices for both conveying and distributing
    • E04G21/0418Devices for both conveying and distributing with distribution hose
    • E04G21/0445Devices for both conveying and distributing with distribution hose with booms

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The invention provides a folding outrigger system and a concrete distribution device with the same. The folding outrigger system comprises a plurality of outriggers which are foldably connected sequentially, wherein each outrigger comprises a first outrigger positioned at the starting end and a tail end outrigger positioned at the tail end. The folding outrigger system also comprises a hook mechanism and at least one hooking member, wherein the hook mechanism is provided with a hook assembly rotatably connected to the side surface of one of the outriggers, the center of gravity of the hook assembly is lower than a connection point of the hook assembly on the side surface, the hook assembly is provided with a hook part; and the hooking member is arranged on one or more of the rest of the outriggers, the hook part can be hooked with the corresponding hook member so that the sequentially-folded outriggers in a horizontal state are kept in the folding state. According to the hook mechanism of the folding outrigger system provided by the invention, the weight is increased for the whole outrigger assembly by the hook mechanism, is effectively controlled, and the effect of simpleness, consistency and convenience for operations of hooking during the folding of the outriggers and unhooking during unfolding is better promoted.

Description

Foldable arm rack system and concrete distributing equipment with this foldable arm rack system
Technical field
The concrete distributing equipment that the present invention relates to a kind of foldable arm rack system and have this foldable arm rack system relates in particular to the foldable arm rack system that a plurality of jibs that are used for being in off working state (or claiming level) remain on the hitch gear of folded state that is provided with.
Background technology
Concrete spreader is a kind of building implements that is used with concrete pump, its effect is to deliver to the concrete that pump pressure is come in the template of member to be cast by pipeline, after pumpdown is finished, a plurality of jibs of material distributing machine need be folded up so that save the space and avoid the damage of jib.At present, the foldable arm rack of material distributing machine mainly contains that the R type is collapsible, the Z type is collapsible and the RZ type is collapsible.
Existing Z type foldable arm rack system might be because of the hydraulic jack pressure release causes the deutomerite arm sagging naturally under the inoperative situation that jib is regained, personnel and property safety with jeopardizing construction.Though, present prior art can guarantee that jib the oil cylinder pressure release can not occur under off working state by the jib hydraulic system and the strict after-sales service of high reliability, but, user for material distributing machine, can increase so undoubtedly and purchase and maintenance cost, and, only still can't fundamentally eliminate the risk that jeopardizes construction ground personnel and property safety by the hydraulic system and the later maintenance of jib.
The material distributing machine of common R type foldable arm rack system then is to guarantee by safety hook, as shown in Figure 1, in existing R type foldable arm rack system, first jib 1, second jib 2 and the 3rd jib 3 are folding successively, existing safety hook 5 operated by rotary motion are between first jib 1 and the 3rd jib 3, if this suspension hook form is applied on the Z type boom system, then between per two joint jibs, will adorn a safety hook, one cover boom system need use many cover safety hooks, waste material not only, increased too many weight, and the unhook process is loaded down with trivial details, lengthy and jumbled.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of have foldable arm rack system of hitch gear that a plurality of jibs that fold that are used for being in off working state remain on folded state and the concrete distributing equipment with this system, this hitch gear can not increase too many weight to boom system, and the unhook hooking process is simple, easy operating.
For solving the problems of the technologies described above, foldable arm rack of the present invention system comprises: a plurality of jibs that connect in turn collapsibly, described a plurality of jib comprises one first jib that is positioned at initiating terminal at least and is positioned at a terminal terminal jib, it is characterized in that, described foldable arm rack system comprises hitch gear, described hitch gear has: hook assembly, be connected to one side in described a plurality of jib rotationally, and the center of gravity of described hook assembly is lower than the tie point of described hook assembly on described side, and described hook assembly has hook portion; And at least one hooks together part, correspondingly be arranged in described a plurality of jib all the other one or more on, wherein, the hook portion of described hook assembly can hook together will be in level and folding in turn a plurality of jibs with the respective hook component and remain on folded state.
According to further improved technical scheme of the present invention, described hook assembly is connected to two relative sides of a jib in described a plurality of jib rotationally, and have a plurality of hook portion that are connected to place, described two relative sides respectively, and described hitch gear has on all the other one or more jibs that correspondingly are arranged in described a plurality of jib, a plurality of parts that hook together of hooking together with described a plurality of hook portion.。
According to further improved technical scheme of the present invention, described hook assembly is connected to the side of described first jib rotationally, described at least one hook together part and be arranged on the described terminal jib; Perhaps, described at least one hook together part and be arranged on described first jib, described hook assembly is connected to the side of described terminal jib rotationally.
According to further improved technical scheme of the present invention, described a plurality of jibs also comprise the middle jib that is connected between described first jib and the described terminal jib.
According to further improved technical scheme of the present invention, jib comprises one second jib that is connected between described first jib and the described terminal jib at least in the middle of described, described hook assembly is connected to the side of described second jib, described at least one hook together part and comprise and be separately positioned on that first on described first jib and the described terminal jib hooks together part and end hooks together part.
According to further improved technical scheme of the present invention, described hook assembly is connected to two relative sides of described second jib rotationally, and the described hook portion of described hook assembly comprises across the end face relative with described first jib of described second jib and is connected first hook portion of described hook assembly between the tie point on described two relative sides.
According to further improved technical scheme of the present invention, jib also comprises one the 3rd jib that is connected between described second jib and the described terminal jib in the middle of described, described the 3rd jib is provided with the 3rd and hooks together part, and wherein, described hook assembly has: first hook member and second hook member that are connected to two relative sides of described second jib respectively, and be connected between first end of first end of described first hook member and described second hook member, and first cross bar across the described end face of described second jib, second end of described first hook member vertically is formed with first hook portion and second hook portion successively along described first hook member, and second end of described second hook member is formed with the 4th hook portion; Described first hooks together part comprises two hook portions that hook together with the described second jib opposed bottom surface, with described first cross bar that are fixed to described first jib; The described the 3rd hooks together that part comprises two relative sides running through described the 3rd jib and from extended the 3rd bar portion in described two relative sides, described the 3rd bar portion hooks together with described first hook portion and described the 4th hook portion respectively from extended two parts in described two relative sides; Described end hooks together part and comprises the shackle that is fixed to described terminal jib, hooks together with described second hook portion.
According to further improved technical scheme of the present invention, described hook portion further comprise across described second jib with described end face opposed bottom surface and be connected second hook portion of described hook assembly between the tie point on described two relative sides.
According to further improved technical scheme of the present invention, jib also comprises one the 3rd jib that is connected between described second jib and the described terminal jib in the middle of described, described the 3rd jib is provided with the 3rd and hooks together part, and wherein, described hook assembly has: first hook member and second hook member that are connected to two relative sides of described second jib respectively, be connected between first end of first end of described first hook member and described second hook member, and, and be connected between second end of second end of described first hook member and described second hook member across first cross bar of the described end face of described second jib, and second cross bar across the described bottom surface of described second jib; Described first hooks together part comprises two hook portions that hook together with the described second jib opposed bottom surface, with described first cross bar that are fixed to described first jib; The described the 3rd hook together part comprise be fixed to described the 3rd jib, with described second cross bar) the 3rd long hook that hooks together; Described end hooks together part and comprises the 4th long hook that is fixed to described the 4th jib, hooks together with described second cross bar, and the described the 4th long hook is arranged on two relative sides with the described the 3rd long hook.
According to further improved technical scheme of the present invention, jib also comprises one the 3rd jib that is connected between described second jib and the described terminal jib in the middle of described, described the 3rd jib is provided with the 3rd and hooks together part and wherein, described hook assembly is connected to two relative sides of described second jib rotationally, and have first hook member and second hook member that is connected to described two relative sides respectively, wherein, first end that is positioned at the tie point top of described first hook member on described second jib of described first hook member is formed with the 3rd hook portion, vertically is formed with first hook portion and second hook portion with the described first end second opposed end successively along described first hook member; First end that is positioned at the tie point top of described first hook member on described second jib of described second hook member is formed with the 5th hook portion, is formed with the 4th hook portion with the described first end second opposed end; Described first hooks together part comprises first cross bar that hooks together with the described second jib opposed bottom surface, with described the 3rd hook portion and the 5th hook portion that is fixed to described first jib; The described the 3rd hooks together that part comprises two relative sides running through described the 3rd jib and from extended the 3rd bar portion in described two relative sides, described the 3rd bar portion hooks together with described first hook portion and described the 4th hook portion respectively from extended two parts in described two relative sides; Described end hooks together part and comprises the shackle that is fixed to described terminal jib (4), hooks together with described second hook portion.
A kind of concrete distributing equipment also is provided according to the present invention, and it comprises having the foldable arm rack system of feature as mentioned above.
Have following useful technique effect according to foldable arm rack system of the present invention and concrete distributing equipment:
The first, controlled the weight that hitch gear increases for whole jib assembly effectively according to the set hitch gear of foldable arm rack system of the present invention, and break off relations and rise to the bait by the action of gravity of hitch gear self, promoted well to rise to the bait when jib draws in and break off relations when launching simple and direct, consistent, make the operation more simple.
The second, use according to foldable arm rack of the present invention system, the jib design is more flexible, and needn't not have the protection of safe hitch gear and produce misgivings because of Z type jib.
Should be appreciated that above generality is described and the following detailed description is all enumerated and illustrative, purpose is for to the claimed further instruction that the invention provides.
Description of drawings
Accompanying drawing constitutes the part of this manual, is used to help further understand the present invention.These accompanying drawings illustrate some embodiments of the present invention, and are used for illustrating principle of the present invention with manual.Wherein, in order to be clearly shown that the basic structure form of the hitch gear in each preferred embodiment, with some parts perspectivity of hitch gear illustrate, in the accompanying drawing:
Fig. 1 is the structural representation of existing R type foldable arm rack system;
Fig. 2 is the schematic diagram according to the Z type foldable arm rack system of first preferred embodiment of the present invention;
Fig. 3 is the cross-sectional perspective view of the foldable arm rack system among Fig. 2, and it clearly show that the concrete structure of the hitch gear in the present embodiment;
Fig. 4 is the schematic diagram according to the Z type foldable arm rack system of second preferred embodiment of the present invention;
Fig. 5 is the schematic diagram according to the Z type foldable arm rack system of the 3rd preferred embodiment of the present invention;
Fig. 6 to Fig. 9 shows the folding process according to four jibs of the Z type foldable arm rack system of first preferred embodiment of the present invention, and clearly show that the process of rising to the bait of hitch gear of the present invention.
The specific embodiment
It should be noted that, in the following description, being example with the foldable arm rack system of concrete distributing equipment is described foldable arm rack according to the present invention system, but, it is as limit, and by appropriate variations, foldable arm rack of the present invention system also can be applicable in other device, as, be applied on the pump truck.
To be example with Z type foldable arm rack system below with four jibs, foldable arm rack system according to the preferred embodiment of the invention is described in detail, but, this description only is exemplary, be not to be used for limiting the scope that the present invention uses, those skilled in the art can be understood that, by suitable change, also can be applicable in other device or equipment according to the set hitch gear of foldable arm rack system of the present invention with foldable arm rack system, and do not exceed with Z type foldable arm rack with four jibs, it also can be applicable to have three, the boom system of five or more a plurality of jibs perhaps is applied to R type foldable arm rack system, RZ type foldable arm rack system.
What need mention is, the present invention relates generally to the design that is arranged at the hitch gear in the foldable arm rack system, and in order to realize rising to the bait and the process that breaks off relations simple, quick, this hitch gear should have few member of trying one's best.Particularly, in the present invention, designed hitch gear has generally: be arranged on the hook assembly on one the side in a plurality of jibs rotationally, and the center of gravity of hook assembly is lower than its tie point on described side, and hook assembly has hook portion; And at least one hooks together part, correspondingly be arranged on remaining one or more jib, and the hook portion of hook assembly can hook together with the described part that hooks together, will be in level and folding in turn a plurality of jibs remain in the folded state.
Particularly, in the present invention, with the foldable arm rack system with four jibs is that example describes, for this reason, aforesaid at least one hook together part and comprise that being arranged on first on first jib hooks together part, be arranged on the 3rd on the 3rd jib and hook together part, be arranged on the 4th on the 4th jib and hook together part, and hook assembly is arranged on two relative sides of second jib rotationally, wherein, this hook assembly has and is used for respectively and first hooks together part, the 3rd hooks together part and the 4th hooks together first hook portion that the part hook cooperates, the 3rd hook portion and the 4th hook portion, after four jibs fold up under hydraulic action with box lunch, first hook portion of this hook assembly, the 3rd hook portion and the 4th hook portion can be correspondingly with first jib on first hook together part, on the 3rd jib the 3rd hooks together part, on the 4th jib the 4th hooks together the part hook and cooperates, thereby, four jibs are remained on folded state, and when needs expansion boom system carries out operation, by making first hook portion of hook assembly, on the 3rd hook portion and the 4th hook portion and first jib first hooks together part, on the 3rd jib the 3rd hooks together part, on the 4th jib the 4th hooks together part and breaks off relations simply, just can carry out follow-up operation, concrete operations will be discussed in more detail below.
To several preferred construction forms of foldable arm rack of the present invention system be described below.
Fig. 2 and Fig. 3 schematically show foldable arm rack system according to a preferred embodiment of the present invention, this boom system comprises first jib 1, second jib 2, the 3rd jib 3 and the 4th jib 4, after folding, these four jibs remain on folded state by hitch gear 5.
Specifically see also Fig. 3, in the preferred embodiment, hitch gear 5 comprises that first hooks together part 51, this first hooks together part 51 and comprises the first bar portion 511 and two hook portions 512,513, wherein, these two hook portions 512,513 fixing (by welding or bolt) are at an end of the first bar portion 511, and the other end of the first bar portion 511 passes the end face of its inside until first jib from the bottom surface of first jib 1, and fixing (as, bolt) at this end face place, these two hook portions are used for cooperating with below first hook portion of the hook assembly described being linked up with.Certainly, this first hooks together part and also can adopt other form of structure, for example, forms the hook portion of one at an end that stretches out from first jib of the first bar portion.
The 3rd hooks together part 53 comprises the 3rd bar portion 531 and two stopper sections 532,533, the 3rd bar portion 531 runs through two relative sides of the 3rd jib 3 and stretches out, two stopper sections 532,533 are separately fixed at the two ends of the 3rd bar portion, for can with below the 3rd hook portion of the hook assembly described is hooked together, the distance that should be scheduled at interval between each side of each stopper section and the 3rd jib, this distance depends primarily on the thickness of the 3rd hook portion.Wherein, the 3rd bar portion can be the bearing pin that two ends have screw thread, and two stopper sections can be the nuts with the 3rd bar portion two ends threaded engagement, thus the spacing between adjusting nut and the 3rd jib side suitably.Certainly, also can omit this two stopper sections, perhaps only can realize stable hooking together equally by two ends bending with the 3rd bar portion.
The 4th hooks together part 54 comprises the 4th bar portion 541 and shackle 542, the 4th jib 4 is run through in the 4th bar portion 541, one end is fixed on the place, a side of the 4th jib, the other end stretches out from the opposite side of the 4th jib, concrete which end stretches out and can decide according to actual conditions, this sentences to stretch out from the front side that faces the beholder of figure and is example, and shackle 542 is fixed on the external part of the 4th bar portion 541.In this example, the 4th bar portion is a bearing pin, and the fixing shackle of its external part that stretches out from the 4th jib one side is similar to a joint of chain, and this shackle protrudes upward so that with below the 4th hook portion of the hook assembly described is hooked together.Certainly, the 4th to hook together part also can be the structure of one with circulus of a side that is positioned at the 4th jib.
Hook assembly 52 comprise first hook member 521, second hook member 522 and be connected first end of this first hook member 521 and first end of second hook member 522 between and across first cross bar 523 of the end face of second jib 2, second end of first hook member 521 is formed with the 4th hook portion 5221 along second end that vertically is formed with first hook portion 5211 and second hook portion, 5212, the second hook members 522 successively of first hook member.First hook member 521 and second hook member 522 are connected to the relative both sides of second jib 2 rotationally by a bearing pin 524, and make: when boom system is in folded state, first cross bar 523 can hook together first and hook together on two hook portions 512 and 513 of part 51, first hook portion 5211 of first hook member 521 and the 4th hook portion 5221 of second hook member 522 can hook together the two ends that stretch out in the 3rd jib both sides that hook together part the 3rd, and second hook portion 5212 of first hook member 521 can hook together the 4th and hooks together on the shackle of part 54.Promptly, in this example, this first cross bar 523 constitutes and aforesaidly is used for and first hooks together first hook portion that part hooks together, the 4th hook portion 5221 of first hook portion 5211 of first hook member 521 and second hook member 522 constitutes and aforesaidly is used for and the 3rd hooks together the 3rd hook portion that part hooks together, and second hook portion 5212 of first hook member 521 constitutes and aforesaidly is used for and the 4th hooks together the 4th hook portion that part hooks together.Similarly, the concrete structure of this hook assembly 52 also is not limited to structure described herein.
Fig. 4 schematically shows second preferred embodiment of the present invention, the difference of the structure of itself and first embodiment is, first hooks together part 51 comprises the first bar portion 511 and first cross bar 515, first cross bar 515 and the first bar portion 511 are vertically fixed on an end of the first bar portion 511, the other end of the first bar portion 511 passes the end face of its inside until first jib from the bottom surface of first jib 1, and is fixed on this end face place.Correspondingly, first hook member 521 of hook assembly 52 and first end of second hook member 522 then form the 3rd hook portion 5213 and the 5th hook portion 5223 that can hook together on this first cross bar 515 respectively, promptly, in this example, the 3rd hook portion 5213 and the 5th hook portion 5223 constitute and aforesaidly are used for and first hook together first hook portion that part hooks together.
Fig. 5 schematically shows the 3rd preferred embodiment of the present invention.For the sake of clarity, saved partial component.Wherein, hitch gear 5 comprises that first hooks together part 51, and first to hook together the structure of part and set-up mode identical with structure in first preferred embodiment of describing in conjunction with Fig. 2 and Fig. 3 of the present invention for this, no longer repeats.
The 3rd hooks together part 53 comprises the 3rd bar portion 531 and the 3rd long hook 532, the 3rd bar portion runs through the both sides of the 3rd jib 3 and fixes, the 3rd long hook 532 is fixed in an end of the 3rd bar portion at a side place of the 3rd jib 3, the 4th hooks together part 54 comprises the 4th bar portion 541 and the 4th long hook 542, the 4th fixed form and the 3rd that hooks together part hooks together the similar of part, but needs to guarantee that the 3rd long hook 532 is positioned at relative both sides with the 4th long hook 542.Those skilled in the art can be understood that, also the 3rd long hook and the 4th long hook all can be arranged on the 4th jib.
Hook assembly 52 comprises: first hook member 521 and second hook member 522, be connected between first end of first end of this first hook member 521 and second hook member 522, and across the end face of second jib 2 first cross bar 523, and be connected between second end of second end of this first hook member 521 and second hook member 522, and second cross bar 525 across the bottom surface of second jib 2, first hook member 521 and second hook member 522 are connected to the relative both sides of second jib 2 rotationally by a bearing pin 524, and make: when boom system is in folded state, first cross bar 523 can hook together first and hook together on two hook portions 512 and 513 of part 51, hooks together part 542 and hooks together and second cross bar 525 can hook together the 4th of part 54 with the 3rd the 3rd long hook 532 and the 4th that hooks together part 53.That is, in this example, this second cross bar 525 serves as and above-mentioned be used for and the 3rd hook together the 3rd hook portion that part hooks together and be used for and the 4th hook together the 4th hook portion that part hooks together.
Sketch the folding process of the boom system of first preferred embodiment of the invention below in conjunction with Fig. 6-Fig. 9.After operation is finished, by operating cyloinder boom system is drawn in gradually, even four jibs fold in turn, as shown in Figure 6 and Figure 7, when jib draws in when being horizontal substantially, as shown in Figure 8, the hook assembly 52 that is arranged on rotationally on second jib forwards vertical basically position under the effect of gravity, at this moment, first cross bar 523 and first of hook assembly 52 hooks together two hook portions of part 51, the 4th hook portion 5221 and the 3rd of first hook portion 5211 of first hook member 521 and second hook member 522 hooks together part, and second hook portion 5212 and the 4th of first hook member 521 hooks together part and all is in state to be hooked together, at this moment, make oil cylinder pressure release a little, as shown in Figure 9, can make: first cross bar 523 and first of hook assembly 52 hooks together two hook portions 512 of part 51,513 hook together fully, and the 4th hook portion 5221 of first hook portion 5211 of first hook member 521 and second hook member 522 hooks together part and hooks together fully with the 3rd respectively, second hook portion 5212 and the 4th on first hook member 521 hooks together part and hooks together fully, thereby boom system is remained on folded state reliably, can the personnel and the property at scene do not threatened.And when work is carried out in the needs unhook, only need make jib tighten up (even oil cylinder presses a little), make the state that disengaging hooks together fully between each parts that hook together each other, boom system is tilted, thereby make hook assembly no longer vertical under action of gravity, can realize breaking off relations with jib.
Need to prove, though above invention has been described with boom system with four jibs,, as previously mentioned, it is not as limit.For example, when having three jibs, can carry out modification to a plurality of form of structure of aforesaid hitch gear, referring to Fig. 2 and Fig. 3 (supposing not have the 4th jib 4), these a plurality of parts that hook together are and are arranged on first on first jib 1 and hook together part 51 so, be arranged on the 3rd on the 3rd jib 3 and hook together part 53, hook assembly 52 still is arranged on second jib, and hook assembly 52 has respectively with described first and hooks together part 51 and the 3rd and hook together first hook portion and the 3rd hook portion that part 53 cooperates.Particularly, first hooks together the concrete structure that part 51 and the 3rd hooks together part 53 need not change, what unique needs were changed is the structure of hook assembly 52, only need simply second hook portion 5212 of first hook member 521 of hook assembly 53 removed and get final product, promptly, under the situation of the boom system of using three jibs, first hook member 521 and second hook member 522 on this hook assembly can be the symmetrical structure forms.Similarly, for embodiment shown in Figure 4, similarly, only need to remove second hook portion and get final product.And for form of structure shown in Figure 5, then the 3rd long hook is arranged on the relative both sides of the 3rd jib with the 4th long hook by bearing pin and gets final product.
Certainly, opposite for boom system with aforementioned circumstances more than four jibs, then only need correspondingly increase hook portion or long hook gets final product.
In addition, also it should be noted that, according to foldable arm rack of the present invention system, this hook assembly can be arranged in turn on arbitrary jib in a plurality of jibs that connect, to be arranged on terminal jib (promptly, last jib) going up is example, because this hook assembly is arranged on the jib rotationally, in order to realize to be in the purpose that level (being aforesaid off working state) and a plurality of jibs that are folded each other remain on folded state, can two of hook assembly relative ends be provided for respectively with other one or more jibs on hook together hook portion and the counterweight portion that part hooks together, this counterweight portion is used to make hook assembly can keep vertical state under the action of gravity of self, promptly, make the center of gravity of hook assembly be lower than the hook assembly tie point on the jib endways, thereby make its hook portion can be in direction straight up all the time, thereby realize and hook together hooking together of part.For other analogue, hook assembly can be set similarly to guarantee that a plurality of jibs are remained on folded state.
In addition, what also need manual is that among a plurality of embodiment of Miao Shuing, hook assembly is connected to two relative sides of one of them jib rotationally, and correspondingly is provided with a plurality of parts that hook together on remaining jib in front.But, also feasible is, can only have one and hook together part, promptly, this hook assembly only is set on first jib in a plurality of jibs and the terminal jib and hooks together part, that is to say, hook assembly is arranged on first jib rotationally, and this hook together part and be arranged on the terminal jib, and hook assembly has with this and hooks together the hook portion that part hooks together.Perhaps, as described above, hooking together part with this is arranged on first jib, and this hook assembly is arranged on the terminal jib, and hook portion positioned opposite to each other and counterweight portion are set on this hook assembly in case be implemented under the action of gravity of hook assembly self with first jib on hook together the purpose that part hooks together.In addition,, also hook assembly only can be arranged on the side of one of them jib, and be provided with in the same side of remaining one or more jib and to hook together part accordingly according to practical application.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (11)

1. foldable arm rack system, comprise a plurality of jibs that connect in turn collapsibly, described a plurality of jib comprises one first jib that is positioned at initiating terminal at least and is positioned at a terminal terminal jib, it is characterized in that, described foldable arm rack system comprises hitch gear (5), described hitch gear has: hook assembly (52), be connected to one side in described a plurality of jib rotationally, and the center of gravity of described hook assembly is lower than the tie point of described hook assembly on described side, and described hook assembly has hook portion; And at least one hooks together part, correspondingly be arranged in described a plurality of jib all the other one or more on, wherein, the hook portion of described hook assembly (52) can hook together with a plurality of jibs that will be in level and fold in turn with the respective hook component and remain on folded state.
2. foldable arm rack according to claim 1 system, it is characterized in that, described hook assembly (52) is connected to two relative sides of a jib in described a plurality of jib rotationally, and have a plurality of hook portion that are connected to place, described two relative sides respectively, and described hitch gear has on all the other one or more jibs that correspondingly are arranged in described a plurality of jib, a plurality of parts that hook together of hooking together with described a plurality of hook portion.
3. foldable arm rack according to claim 1 system is characterized in that described hook assembly (52) is connected to the side of described first jib rotationally, described at least one hook together part and be arranged on the described terminal jib; Perhaps, described at least one hook together part and be arranged on described first jib, described hook assembly (52) is connected to the side of described terminal jib rotationally.
4. foldable arm rack according to claim 1 system is characterized in that described a plurality of jibs also comprise the middle jib that is connected between described first jib (1) and the described terminal jib.
5. foldable arm rack according to claim 4 system, it is characterized in that, jib comprises one second jib (2) that is connected between described first jib (1) and the described terminal jib at least in the middle of described, described hook assembly (52) is connected to the side of described second jib (2), described at least one hook together part and comprise and be separately positioned on that first on described first jib (1) and the described terminal jib hooks together part (51) and end hooks together part.
6. foldable arm rack according to claim 5 system, it is characterized in that, described hook assembly (52) is connected to two relative sides of described second jib (2) rotationally, and the described hook portion of described hook assembly comprises across the end face relative with described first jib of described second jib (2) and is connected first hook portion of described hook assembly (52) between the tie point on described two relative sides.
7. foldable arm rack according to claim 6 system, it is characterized in that described middle jib also comprises one the 3rd jib (3) that is connected between described second jib (2) and the described terminal jib, described the 3rd jib is provided with the 3rd and hooks together part (53), and wherein
Described hook assembly (52) has: first hook member (521) and second hook member (522) that are connected to two relative sides of described second jib (2) respectively, and be connected between first end of first end of described first hook member (521) and described second hook member (522), and first cross bar (523) across the described end face of described second jib (2), second end of described first hook member (521) vertically is formed with first hook portion (5211) and second hook portion (5212) successively along described first hook member, and second end of described second hook member (522) is formed with the 4th hook portion (5221);
Described first hook together part (51) comprise be fixed to described first jib (1) with described second jib (2) opposed bottom surface and two hook portions (512,513) of hooking together with described first cross bar (523);
The described the 3rd hook together that part (53) comprises two relative sides running through described the 3rd jib (3) and from described two relative sides extended the 3rd bar portion (531), described the 3rd bar portion hooks together with described first hook portion (5211) and described the 4th hook portion (5221) respectively from extended two parts in described two relative sides;
Described end hooks together part (54) and comprises the shackle (542) that is fixed to described terminal jib (4) and hooks together with described second hook portion (5212).
8. foldable arm rack according to claim 6 system, it is characterized in that, described hook portion further comprise across described second jib (2) with described end face opposed bottom surface and be connected second hook portion of described hook assembly (52) between the tie point on described two relative sides.
9. foldable arm rack according to claim 8 system, it is characterized in that described middle jib also comprises one the 3rd jib (3) that is connected between described second jib (2) and the described terminal jib, described the 3rd jib is provided with the 3rd and hooks together part (53), and wherein
Described hook assembly (52) has: first hook member (521) and second hook member (522) that are connected to two relative sides of described second jib (2) respectively; Be connected between first end of first end of described first hook member (521) and described second hook member (522) and across first cross bar (523) of the described end face of described second jib (2); And be connected between second end of second end of described first hook member (521) and described second hook member (522) and across second cross bar (525) of the described bottom surface of described second jib (2);
Described first hook together part (51) comprise be fixed to described first jib (1) with described second jib (2) opposed bottom surface and two hook portions (512,513) of hooking together with described first cross bar (523);
The described the 3rd hooks together part (53) comprises the 3rd long hook (532) that is fixed to described the 3rd jib (3) and hooks together with described second cross bar (525);
Described end hooks together part (54) and comprises the 4th long hook (542) that is fixed to described the 4th jib (4) and hooks together with described second cross bar (525), and the described the 4th long hook (542) is arranged on two relative sides with the described the 3rd long hook (532).
10. foldable arm rack according to claim 5 system, it is characterized in that described middle jib also comprises one the 3rd jib (3) that is connected between described second jib (2) and the described terminal jib, described the 3rd jib is provided with the 3rd and hooks together part (53), and wherein
Described hook assembly (52) is connected to two relative sides of described second jib (2) rotationally, and have first hook member (521) and second hook member (522) that is connected to described two relative sides respectively, wherein, first end that is positioned at the tie point top of described first hook member on described second jib of described first hook member (521) is formed with the 3rd hook portion (5213), vertically is formed with first hook portion (5211) and second hook portion (5212) with the described first end second opposed end successively along described first hook member; First end that is positioned at the tie point top of described first hook member on described second jib of described second hook member (522) is formed with the 5th hook portion (5223), is formed with the 4th hook portion (5221) with the described first end second opposed end;
Described first hook together part (51) comprise be fixed to described first jib (1) with described second jib (2) opposed bottom surface and first cross bar (515) that hooks together with described the 3rd hook portion (5213) and the 5th hook portion (5223);
The described the 3rd hook together that part (53) comprises two relative sides running through described the 3rd jib (3) and from described two relative sides extended the 3rd bar portion (531), described the 3rd bar portion hooks together with described first hook portion (5211) and described the 4th hook portion (5221) respectively from extended two parts in described two relative sides;
Described end hooks together part (54) and comprises the shackle (542) that is fixed to described terminal jib (4) and hooks together with described second hook portion (5212).
11. a concrete distributing equipment is characterized in that, comprises among the claim 1-9 each described foldable arm rack system.
CN201110161128.2A 2011-06-15 2011-06-15 Folding outrigger system and concrete distribution device with same Active CN102296823B (en)

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PCT/CN2011/076115 WO2012171229A1 (en) 2011-06-15 2011-06-22 A folding arm frame system and a concrete cloth device with the same

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