CN205101001U - Every single move arm and concrete spraying vehicle - Google Patents
Every single move arm and concrete spraying vehicle Download PDFInfo
- Publication number
- CN205101001U CN205101001U CN201520919782.9U CN201520919782U CN205101001U CN 205101001 U CN205101001 U CN 205101001U CN 201520919782 U CN201520919782 U CN 201520919782U CN 205101001 U CN205101001 U CN 205101001U
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- arm
- hinged
- connecting portion
- connecting rod
- pitch
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Abstract
The application discloses the every single move arm, including crooked main part, the lower trough of main part sets up downwards the one end of main part be provided with be used for with the first connecting portion of the basic arm articulated of big arm, be provided with and be used for with big arm every single move hydro -cylinder articulated second connecting portion and be used for and the hydro -cylinder articulated third connecting portion of making level be provided with in the main part with lift cylinder articulated fourth connecting portion the other end of main part be provided with be used for with the 5th connecting portion of revolving platform articulated. The utility model discloses simultaneously still provide a concrete spraying vehicle, adopted above -mentioned every single move arm. The utility model provides a top of sending the driver's cabin before and to can be raised with big arm to the every single move arm for cantilever crane working face coverability is to the preceding dead angle of driver's cabin, and reduce shotcrete car's current height when the inoperative.
Description
Technical field
The application relates to technical field of engineering machinery, particularly relates to a kind of pitch arm, also relates to a kind of concrete spraying vehicle.
Background technology
In tunnel construction, after tunnel excavation, discharge in right amount to control surrouding rock stress and be out of shape, increasing structural safety and convenient construction, applying rigidity after tunnel excavation immediately less and as the deck of a permanent bearing structure part, be called preliminary bracing.
In construction of tunnel, preliminary bracing generally adopts combined bolting and shotcrete.Combined bolting and shotcrete refers to by means of pressure-injected cement concrete and the synergy reinforcing rock stratum squeezing into the anchor metal in rock stratum, is divided into temporary supporting structure and permanent supporting and protection structure.
Wherein, pressure-injected cement concrete has been come by concrete spraying vehicle.Concrete spraying vehicle has carried out the various actions such as swing, commutation, acceleration by staff to the operation of jib.The jib of existing concrete shotcrete vehicle, in collapsed state before work, be placed in the rear of concrete spraying vehicle, the panoramic table of jib is arranged on the plummer of carrying jib, one end and the panoramic table of the pitch arm of jib are hinged, the other end and the large arm assembly of pitch arm are hinged, and panoramic table is hinged with hoist cylinder, and the other end and the pitch arm of hoist cylinder are hinged.When jib works, need first by hoist cylinder by pitch arm jack-up, then control panoramic table rotate, the large arm assembly hinged with the pitch arm other end and little arm assembly can be put above driver's cabin and carry out construction operation.But, although large arm can be raised the top delivering to driver's cabin also by pitch arm, the work plane dead angle jib before driver's cabin can not cover, and when inoperative, namely excessive height when jib is collapsed state, thus the headroom affecting shotcrete vehicle car load.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of pitch arm, large arm can be raised the top delivering to driver's cabin also by this pitch arm, makes jib work plane can cover dead angle before driver's cabin, and reduces the headroom of shotcrete vehicle car load when inoperative.
The technical scheme that the utility model provides is as follows:
A kind of pitch arm, comprise bending main body, the lower recess of described main body is arranged downwards, be provided with for first connecting portion hinged with described large arm basic arm in one end of described main body, be provided with for second connecting portion hinged with described large arm pitching oil cylinder and for three connecting portion hinged with described levelling oil cylinder, be provided with four connecting portion hinged with described hoist cylinder on the body, be provided with for five connecting portion hinged with described panoramic table at the other end of described main body.
Preferably, described 4th connecting portion arranges lower recess on the body.
A kind of concrete spraying vehicle, described concrete spraying vehicle have employed pitch arm as above.
The pitch arm that the utility model provides, the main body due to pitch arm is bending, and the lower recess of main body is arranged downwards, therefore, it is possible to the large arm be attached thereto to be raised the top delivering to driver's cabin also, makes jib work plane can cover dead angle before driver's cabin; And when inoperative, when namely jib is folded state, reduces the whole height of shotcrete vehicle, thus reduce the headroom of shotcrete vehicle.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The jib structure schematic diagram that Fig. 1 provides for the utility model embodiment;
Fig. 2 is a kind of structural representation of the fold mechanism in the utility model embodiment;
Fig. 3 is the another kind of structural representation of fold mechanism in the utility model embodiment;
Fig. 4 is forearm basic arm and the hinged structural representation of transition arm in the utility model embodiment;
Fig. 5 be in the utility model embodiment large arm assembly and little arm assembly fold after schematic diagram;
Fig. 6 is the structural representation of protective device in the utility model embodiment;
Fig. 7 is the structural representation of pitch arm in the utility model embodiment;
State diagram after the arm support folding that Fig. 8 provides for the utility model embodiment.
Detailed description of the invention
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
The present embodiment adopts the mode of going forward one by one to write.
Please as shown in Figures 1 to 8, the utility model embodiment provides a kind of jib, comprise panoramic table 1, pitch arm 2, large arm assembly 3, transition arm 4 and little arm assembly 5, large arm assembly 3 comprises large arm basic arm 31 and large arm telescopic arm 32, large arm telescopic arm 32 is connected with large arm basic arm 31 large arm telescopic arm 32 can be stretched on large arm basic arm 31, large arm basic arm 31 away from one end of large arm telescopic arm 32 and pitch arm 2 hinged, large arm basic arm 31 is hinged with large arm pitching oil cylinder 33, and the other end and the pitch arm 2 of large arm pitching oil cylinder 33 are hinged; Pitch arm 2 away from one end of large arm basic arm 31 and panoramic table 1 hinged, panoramic table 1 is hinged with hoist cylinder 6, hoist cylinder 6 away from one end of panoramic table 1 and pitch arm 2 hinged; One end and the large arm telescopic arm 32 of transition arm 4 are hinged away from one end of large arm basic arm 31, be hinged with forearm pitching oil cylinder 53 at large arm telescopic arm 32 away from one end of large arm basic arm 31, forearm pitching oil cylinder 53 away from one end of large arm telescopic arm 32 and transition arm 4 hinged; Little arm assembly 5 comprises forearm basic arm 51 and forearm telescopic arm 52, and forearm telescopic arm 52 is connected with forearm basic arm 51 forearm telescopic arm 52 can be stretched on forearm basic arm 51, and forearm basic arm 51 is hinged with transition arm 4; Transition arm 4 is provided with fold mechanism 7, and fold mechanism 7 is connected to make forearm basic arm 51 can at horizontal rotation in surface with forearm basic arm 51.
The jib that the utility model embodiment provides, large arm telescopic arm 32 is connected with large arm basic arm 31 large arm telescopic arm 32 can be stretched on large arm basic arm 31; Forearm basic arm 51 is connected with forearm base telescopic arm 52 forearm telescopic arm 52 can be stretched on forearm basic arm 51; In addition also comprise transition arm 4, transition arm 4 is provided with fold mechanism 7, fold mechanism 7 is connected with forearm basic arm 51 and makes forearm basic arm 51 can at horizontal rotation in surface.Fold mechanism 7 be arranged so that forearm basic arm 51 is at horizontal rotation in surface, thus realize folding between little arm assembly 5 and large arm assembly 3, compared with prior art, the structure of jib is simple, simple to operate and reliability is high, follow-up maintaining and maintenance more convenient.
Wherein, the structure of fold mechanism 7 as shown in Figure 2, preferably include folding ram 700, first connecting rod 701, second connecting rod 702 and third connecting rod 703, one end and the transition arm 4 of first connecting rod 701 are hinged, the other end of first connecting rod 701 and one end of second connecting rod 702 hinged, second connecting rod 702 away from one end of first connecting rod 701 and one end of third connecting rod 703 hinged, third connecting rod 703 is fixedly connected with forearm basic arm 51 away from one end of second connecting rod 702, one end and the transition arm 4 of folding ram 700 are hinged, the other end and the first connecting rod 701 of folding ram 700 are hinged.
When folding ram 700 works, promote first connecting rod 701 to rotate around the point hinged with forearm basic arm 51, first connecting rod 701 is in the process of rotating, because first connecting rod 701 and second connecting rod 702 are hinged, therefore, second connecting rod 702 is driven to rotate, second connecting rod 702 promotes third connecting rod 703 and is fixedly connected with around with forearm basic arm 51 in the process of rotating, again because; forearm basic arm 51 and transition arm 4 are hinged; therefore, third connecting rod 703 drives forearm basic arm 51 to rotate in the process of rotating, and realizes the folding of little arm assembly 5 and large arm assembly 3.
First connecting rod 701 in the utility model embodiment, second connecting rod 702 are all set to arc with third connecting rod 703, and when forearm basic arm 51 and large arm basic arm 31 are in same perpendicular, first connecting rod 701, second connecting rod 702 and third connecting rod 703 recessed portion are all to transition arm 4, first connecting rod 701, second connecting rod 702 are arc with third connecting rod 703 and arrange, make forearm folding arm 51 can realize the rotation of wide-angle, its rotational angle is-180 ° to 60 °, thus realizes the folding of little arm assembly 5 and large arm assembly 3.
Fold mechanism 7 in the utility model embodiment also can be structure as shown in Figures 3 to 5, comprises folding ram 700, upper linkage 710 and lower link mechanism 720, wherein,
Upper linkage 710 to comprise on first on connecting rod 711, second connecting rod 713 on connecting rod 712 and the 3rd, on first one end of connecting rod 711 and transition arm 4 hinged, on first, the other end of connecting rod 711 is hinged by one end of connecting rod 712 on the first bearing pin 731 and second, on second, connecting rod 712 is hinged by one end of connecting rod 713 on the second bearing pin 732 and the 3rd away from one end of connecting rod 711 on first, on 3rd, connecting rod 712 is fixedly connected with forearm basic arm 51 away from one end of connecting rod 712 on second, and one end and the transition arm 4 of folding ram 700 are hinged;
Lower link mechanism 720 comprises the first lower link 721, second lower link 722 and the 3rd lower link 723, one end and the transition arm 4 of the first lower link 721 are hinged, the other end of the first lower link 721 is hinged by one end of the first bearing pin 731 and the second lower link 722, second lower link 722 is hinged by one end of the second bearing pin 732 and the 3rd lower link 723 away from one end of the first lower link 721, 3rd lower link 723 is fixedly connected with forearm basic arm 51 away from one end of the second lower link 722, the 3rd bearing pin 733 is provided with between connecting rod 711 and the first lower link 721 on first, the other end and the 3rd bearing pin 733 of folding ram 700 are hinged.
In said structure, on first, on connecting rod 711 and second, connecting rod 712 is hinged by the first bearing pin 731, first lower link 721 and the second lower link 722 are also hinged by the first bearing pin 731, on second, on connecting rod 712 and the 3rd, connecting rod 713 is hinged by the second bearing pin 732, second lower link 722 and the 3rd lower link 723 are also hinged by the second bearing pin 732, folding ram 700 is connected with the 3rd bearing pin 733, therefore, when folding ram 700 works, promote the 3rd bearing pin 733 makes connecting rod 711 and the first lower link 721 on first rotate simultaneously, first bearing pin 731 and the second bearing pin 732 ensure that linkage 710 and lower link mechanism 720 synchronization action simultaneously, upper linkage 710 makes the folding process of jib safer with lower link mechanism 720, make the stability that folds stronger, more reliable.
In the utility model embodiment, on 3rd, connecting rod 713 to be fixedly connected with forearm basic arm 51 away from the one end of connecting rod 712 on second and to be specially; forearm basic arm 51 is hinged on transition arm 4 by the 4th bearing pin 734; on the 3rd, connecting rod 713 is fixedly connected with the 4th bearing pin 734 away from one end of connecting rod 712 on second, and the 3rd lower link 723 is fixedly connected with the 4th bearing pin 734 away from one end of the second lower link 722.On 3rd, connecting rod 713 is all fixedly connected with the 4th bearing pin 734 with the 3rd lower link 723, forearm basic arm 51 is rotated and is more prone to.
In the utility model embodiment; forearm basic arm 51 is hinged on transition arm 4 by the 4th bearing pin 734 and is specially; the 4th bearing pin 734 is rotatably vertically arranged on transition arm 4, and the 4th bearing pin 734 top is installed with Connection Block 54, and forearm basic arm 51 is fixedly mounted on Connection Block 54.The setting of Connection Block 54, makes the installation of forearm basic arm 51 and keeps in repair convenient.
In the utility model embodiment, pitch arm 2 is hinged with levelling oil cylinder 8, levelling oil cylinder 8 away from one end of large arm basic arm 31 and pitch arm 2 hinged.The setting of levelling oil cylinder 8 improves the handling of jib.
Please as shown in Figure 7, pitch arm 2 in the utility model embodiment comprises bending main body 21, the lower recess of main body 21 is arranged downwards, be provided with for first connecting portion 201 hinged with large arm basic arm 31 in one end of main body 21, be provided with for second connecting portion 202 hinged with large arm pitching oil cylinder 33 and for three connecting portion 203 hinged with levelling oil cylinder 8, main body 21 is provided with four connecting portion 204 hinged with hoist cylinder 6, is provided with for five connecting portion 205 hinged with panoramic table 1 at the other end of main body 21.
From said structure, obviously, when the main body 21 of pitch arm 2 is curved shape, and when lower recess is arranged, jib work plane is made can to cover dead angle before driver's cabin downwards; Can make large arm basic arm 31 and large arm telescopic arm 32 in same level, add the degree of freedom of jib; And after pitch arm 2 contraction, the structure of car load is compacter, reduces car load headroom.
Jib in the utility model embodiment also comprises protective device 9, and the structure of protective device 9, incorporated by reference to shown in Fig. 1, Fig. 6, comprises, and is arranged in pitch arm 2, and the limiting plate 91 that can rotate with pitch arm 2; Be arranged on the telescoping mechanism 92 on panoramic table 1, telescoping mechanism 92 is provided with extensible member 93 and the flexible direction of extensible member 93 is vertical with the direction that pitch arm 2 is rotated, the contraction state that to make extensible member 93, there is the state of stretching out of stop limiting plate 91 rotation and limiting plate 91 and can freely rotate; Be arranged on panoramic table 1, change at contraction state and stretching out between state to make extensible member 93 for controlling telescoping mechanism 92, time simultaneously also for being at extensible member 93 and stretching out state, controlling hoist cylinder 6 switch 10 out of service.
From said structure, pitch arm 2 rotates rise under the effect of hoist cylinder 6, when pitch arm 2 turns to duty, switch control rule telescoping mechanism 92 makes extensible member 93 stretch out and is in the state of stretching out, the extensible member 93 stretching out state contacts with limiting plate 91, to limiting plate 91 barrier effects, prevent limiting plate 91 from rotating, because limiting plate 91 is arranged in pitch arm 2, therefore, when carrying out spacing to limiting plate 91, what realize pitch arm 2 is spacing, effectively prevents pitch arm 2 because letting out inefficacy in oil cylinder or driver's cabin is clashed in employee's maloperation.
Preferred as one, limiting plate 91 is provided with stopper slot, and when stretching out state to make extensible member 93 be in, extensible member 93 is placed in stopper slot.
Wherein, telescoping mechanism 92 the present embodiment preferably adopts locating oil cylinder, and extensible member 93 preferably adopts gag lever post, and switch 10 preferably adopts touching switch.
Before concrete spraying vehicle construction, hoist cylinder 6 is packed up, and pitch arm 2 is in nutation state, and pitch arm 2 is to the direction nutation away from driver's cabin.When concrete spraying vehicle starts to construct, hoist cylinder 6 works, and pitch arm 2 is launched, meanwhile, under the effect of panoramic table 1, pitch arm 2 is rotated to driver's cabin, when pitch arm 2 is about to be expanded to duty, limiting plate 91 touches switch 10, makes locating oil cylinder play work, is released by gag lever post and is placed in stopper slot, limiting plate 91 is made to hook gag lever post, meanwhile, switch 10 controls hoist cylinder 6 and quits work, state when keeping pitch arm 2 to work.Because limiting plate 91 hooks gag lever post, therefore, effectively prevent and effectively prevent pitch arm 2 because letting out inefficacy or employee's maloperation shock driver's cabin in oil cylinder, improve working security.
The utility model embodiment also provides a kind of concrete spraying vehicle, and this concrete spraying vehicle have employed above-mentioned jib.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. a pitch arm, it is characterized in that, comprise bending main body (21), the lower recess of described main body (21) is arranged downwards, be provided with for first connecting portion (201) hinged with large arm basic arm (31) in one end of described main body (21), be provided with for second connecting portion (202) hinged with large arm pitching oil cylinder (33) and for three connecting portion (203) hinged with levelling oil cylinder (8), described main body (21) is provided with four connecting portion (204) hinged with hoist cylinder (6), be provided with for five connecting portion (205) hinged with panoramic table (1) at the other end of described main body (21).
2. pitch arm according to claim 1, is characterized in that, described 4th connecting portion (204) is arranged on the lower recess in described main body (21).
3. a concrete spraying vehicle, is characterized in that, described concrete spraying vehicle have employed the pitch arm described in claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520919782.9U CN205101001U (en) | 2015-11-17 | 2015-11-17 | Every single move arm and concrete spraying vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520919782.9U CN205101001U (en) | 2015-11-17 | 2015-11-17 | Every single move arm and concrete spraying vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101001U true CN205101001U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520919782.9U Expired - Fee Related CN205101001U (en) | 2015-11-17 | 2015-11-17 | Every single move arm and concrete spraying vehicle |
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| Country | Link |
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| CN (1) | CN205101001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939423A (en) * | 2017-12-22 | 2018-04-20 | 长沙科达智能装备股份有限公司 | One kind is suitable for tunnel three step constructions trolley foldable arm rack |
-
2015
- 2015-11-17 CN CN201520919782.9U patent/CN205101001U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939423A (en) * | 2017-12-22 | 2018-04-20 | 长沙科达智能装备股份有限公司 | One kind is suitable for tunnel three step constructions trolley foldable arm rack |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20201117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |