CN102535856B - Engineering machine and telescopic distribution arm support thereof - Google Patents
Engineering machine and telescopic distribution arm support thereof Download PDFInfo
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- CN102535856B CN102535856B CN201210050006.0A CN201210050006A CN102535856B CN 102535856 B CN102535856 B CN 102535856B CN 201210050006 A CN201210050006 A CN 201210050006A CN 102535856 B CN102535856 B CN 102535856B
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Abstract
The invention discloses a telescopic distribution arm support. The telescopic distribution arm support is used for an engineering machine and comprises an arm support body and a conveying pipe, wherein the arm support body comprises at least two sections of telescopic arms; the conveying pipe comprises a head pipe (21), a middle pipe (22) and a tail pipe (23) which are sequentially hinged; the head end of the tail pipe (21) is hinged to the lateral surface or the bottom surface of a first-section telescopic arm (11) of an arm support body; the tail end of the tail pipe (23) is connected to the lateral surface or the bottom surface of a last-section telescopic arm (12) of the arm support body; and the middle pipe (22) can slide in the length direction of the arm support body through a hanging rack (3) and can be rotationally connected to the bottom surface of the arm support body. Due to the structural design of the telescopic distribution arm support, the maximum height of the conveying pipe in the folding and unfolding process of the telescopic distribution arm support can be remarkably reduced, so that the smooth operation of construction operation can be ensured. In addition, the invention further discloses the engineering machine comprising the telescopic distribution arm support.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly a kind of telescopic distribution arm support.In addition, the invention still further relates to a kind of engineering machinery that is included this telescopic distribution arm support.
Background technology
Existing concrete mixer generally adopts more piece M type (launch highly low, speed is fast), R type (compact conformation) or RZ type jib (have M type and R type advantage concurrently, be applicable to long arm support pump truck).In short arm support pump truck field, pumping vehicle arm rack expansion height and flexibility are had to more harsh requirement, thereby expand operation function, the scope of application of lifting means, such as, in building interior or tunnel, use short arm support pump truck construction.For reaching above-mentioned requirements, telescopic arm support has obtained application more and more widely.
Chinese patent by " announcement of China national Department of Intellectual Property, publication number are CN1324427A, publication date to be November 28 calendar year 2001 " discloses a kind of telescopic distribution arm support, specifically refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, Fig. 1 is the front view of a kind of telescopic distribution arm support in the time drawing in prior art, Fig. 2 is the top view of telescopic distribution arm support in Fig. 1, Fig. 3 is front view when telescopic distribution arm support launches in Fig. 1, and Fig. 4 is the top view of telescopic distribution arm support in Fig. 3.
As shown in Figures 1 to 4, this telescopic distribution arm support comprises first segment telescopic arm 1 ' 1 and second section telescopic arm 1 ' 2, and this second section telescopic arm 1 ' 2 is scalable to be located in first segment telescopic arm 1 ' 1; In addition, this telescopic distribution arm support also comprises successively hinged stem pipe 2 ' 1, central tube 2 ' 2 and last portion pipe 2 ' 3, stem pipe 2 ' 1 is by two fixed mounts 3 ' be fixed on first segment telescopic arm 1 ' 1, and stem pipe 2 ' 1 and central tube 2 ' 2 is hinged by the first pin joint 4 ' 1, central tube 2 ' 2 and last portion pipe 2 ' 3 are hinged by the second pin joint 4 ' 2.As depicted in figs. 1 and 2, in the time that jib draws in, central tube 2 ' 2 is rotated backward, is substantially attached on stem pipe 2 ' 1; In the time that jib launches, central tube 2 ' 2 is rotated and is stretched out forward.In said structure, can rotate with respect to stem pipe 2 ' 1 in order to realize central tube 2 ' 2, central tube 2 ' 2 be divided into be hinged first in pipe joint 2 ' 22 in pipe joint 2 ' 21 and second, this in first in pipe joint 2 ' 21 and second pipe joint 2 ' 22 hinged by the 3rd pin joint 4 ' 3.
But the telescopic distribution arm support of said structure design has following defect:
First, as shown in figures 1 and 3, central tube 2 ' 2 comprises in first pipe joint 2 ' 22 in pipe joint 2 ' 21 and second, these two middle pipe joints are in the time launching and draw in, it is to rotate in vertical plane, thereby cause carrier pipe height space in its occupied vertical plane in the time launching and draw in larger, this is a challenge greatly for carry out operation in the low clearance working spaces such as tunnel, because central tube 2 ' 2 has the roof that may touch tunnel in the process of rotating, thereby cannot complete construction operation.
Second; please refer to Fig. 1 and Fig. 3; in the time that central tube 2 ' 2 is drawn in or is launched; central tube 2 ' 2 need to rotate around the first pin joint 4 ' 1; in this process, the top of central tube 2 ' 2 can exceed the top end face of first segment telescopic arm 1 ' 1, that is central tube 2 ' 2 can exceed the top end face of first segment telescopic arm 1 ' 1; cause central tube 2 ' 2 can more likely can touch the roof in tunnel in the process of rotating, thereby cannot complete construction operation.
In view of this, how telescopic distribution arm support of the prior art is improved, thus reduce its draw in and expansion process in the maximum height of carrier pipe, carrying out smoothly of assurance construction operation, is the problem that those skilled in the art need solution badly.
Summary of the invention
The technical problem to be solved in the present invention is for a kind of telescopic distribution arm support is provided, and the structure design of this telescopic distribution arm support can significantly reduce the maximum height of carrier pipe in its gathering and expansion process, thereby can guarantee carrying out smoothly of construction operation.In addition, another technical problem that will solve of the present invention is for providing a kind of engineering machinery that comprises above-mentioned telescopic distribution arm support.
For solving the problems of the technologies described above, the invention provides a kind of telescopic distribution arm support, for engineering machinery, comprise jib body and carrier pipe; Described jib body comprises at least two joint telescopic arms, and described carrier pipe comprises successively hinged stem pipe, central tube and last portion pipe;
Described stem pipe comprises the First pipe joint and the second first pipe joint that are hinged, and the head end of described First pipe joint is connected on described first joint telescopic arm;
Described last portion pipe comprises the first minor details pipe and the second minor details pipe that are hinged, and the tail end of described the second minor details pipe is connected on described minor details telescopic arm;
Described central tube (22) be positioned at described jib body above or below; The tail end of the head end of described central tube (22) and described the second first pipe joint (212) is hinged, and described hinged central axis is positioned at perpendicular, the head end of the tail end of described central tube (22) and described the first minor details pipe (231) is hinged, and described hinged central axis is positioned at perpendicular.
Preferably, described central tube is positioned at the below of described jib body.
Preferably, described jib body only comprises two joint telescopic arms, is respectively described first joint telescopic arm and described minor details telescopic arm;
Described central tube can be slided and be rotationally connected with on the bottom surface of described minor details telescopic arm along the length direction of jib body by hanger.
Preferably, described jib body only comprises two joint telescopic arms, is respectively described first joint telescopic arm and described minor details telescopic arm;
Described central tube can be slided and be rotationally connected with on the bottom surface of described first joint telescopic arm along the length direction of jib body by hanger.
Preferably, described central tube comprise be hinged first in pipe joint in pipe joint and second, and in described first the head end of pipe joint and the tail end of described the second first pipe joint hinged, the tail end of pipe joint and the head end of described the first minor details pipe are hinged in described second;
In described first, in pipe joint and described second, pipe joint can be slided and be rotationally connected with on the bottom surface of first joint telescopic arm along the length direction of jib body by a hanger respectively.
Preferably, described jib body comprises three joint telescopic arms, is respectively described first joint telescopic arm, described minor details telescopic arm and is located at the second section telescopic arm between the two;
Described central tube is rotationally connected with on the bottom surface of described second section telescopic arm by hanger.
Preferably, described jib body comprises four joint telescopic arms, is respectively described first joint telescopic arm, described minor details telescopic arm and is located at second section telescopic arm and Section of three telescopic arm between the two;
Described central tube comprise be hinged first in pipe joint in pipe joint and second, and in described first the head end of pipe joint and the tail end of described the second first pipe joint hinged, the tail end of pipe joint and the head end of described the first minor details pipe are hinged in described second;
In described first, pipe joint is rotationally connected with on the bottom surface of second section telescopic arm by a hanger; In described second, pipe joint is rotationally connected with on the bottom surface of Section of three telescopic arm by another hanger.
Preferably, when described carrier pipe draws in described in head end and all the same sides in described jib body of tail end of the second first pipe joint, the head end of described the first minor details pipe and tail end be the opposite side in described jib body all.
Preferably, described the second first pipe joint and described the first minor details Guan Jun are positioned at the below of the bottom of described jib body, and described carrier pipe while drawing in described in head end and the tail end both sides in described jib body respectively of the second first pipe joint, the head end of described the first minor details pipe and tail end be the both sides in described jib body respectively.
Preferably, described hanger comprises slideway and is located at the slide block in this slideway; Described slideway is located on the bottom surface of corresponding jib body and along its length and is extended, and described slide block is articulated with in corresponding central tube.
In addition,, for solving the problems of the technologies described above, the present invention also provides a kind of engineering machinery, comprises turntable; Described engineering machinery also comprises the telescopic distribution arm support described in above-mentioned any one, and described first joint telescopic arm and described turntable or last joint telescopic arm are hinged.
On the basis of existing technology, telescopic distribution arm support provided by the present invention, described stem pipe comprises the First pipe joint and the second first pipe joint that are hinged, the head end of described First pipe joint is connected on described first joint telescopic arm; Described last portion pipe comprises the first minor details pipe and the second minor details pipe that are hinged, and the tail end of described the second minor details pipe is connected on described minor details telescopic arm; Described central tube be positioned at described jib body above or below, and can in horizontal plane, launch and draw in; The tail end of the head end of described central tube and described the second first pipe joint is hinged, and the head end of the tail end of described central tube and described the first minor details pipe is hinged.
In said structure, two hinged central axis at central tube two ends vertically arrange, jib is stretched out or retraction process in, the size of the motion major effect horizontal direction of carrier pipe, can not increase the size of the short transverse of whole jib, thereby can guarantee carrying out smoothly of construction operation.
In said structure design, central tube can be located at the below of jib body, specifically can slide and be rotationally connected with on the bottom surface of described jib body along the length direction of jib body by hanger, thereby be no matter while drawing in or the time of expansion, central tube is all positioned at the below of jib body, thereby central tube can not exceed the top end face of jib body, the height when launching and draw in because can further reducing carrier pipe.Hence one can see that, and telescopic distribution arm support provided by the present invention can make the central tube below in jib body all the time, thereby can significantly reduce the maximum height of carrier pipe in its gathering and expansion process, thereby can guarantee carrying out smoothly of construction operation.
In addition, the engineering machinery that comprises above-mentioned telescopic distribution arm support provided by the present invention, its technique effect is same as above, does not repeat them here.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of telescopic distribution arm support in the time drawing in prior art;
Fig. 2 is the top view of telescopic distribution arm support in Fig. 1;
Fig. 3 is front view when telescopic distribution arm support launches in Fig. 1;
Fig. 4 is the top view of telescopic distribution arm support in Fig. 3;
Fig. 5 be in the first embodiment of the present invention telescopic distribution arm support look up structure diagram;
Fig. 6 be in the second embodiment of the present invention telescopic distribution arm support look up structure diagram;
Fig. 7 be in the third embodiment of the present invention telescopic distribution arm support look up structure diagram;
Fig. 8 be in the 4th kind of embodiment of the present invention telescopic distribution arm support look up structure diagram;
Fig. 9 be in the 5th kind of embodiment of the present invention telescopic distribution arm support look up structure diagram;
Figure 10 is the structural representation of telescopic distribution arm support in the 6th kind of embodiment of the present invention;
Figure 11 is telescopic distribution arm support in Figure 10 upward view in the time drawing in;
Figure 12 is telescopic distribution arm support in Figure 10 upward view upon deployment;
Figure 13 is the schematic diagram of looking up of telescopic distribution arm support in Figure 10;
Figure 14 is the schematic diagram of looking up after the telescopic distribution arm support in Figure 13 makes a change;
Figure 15 is that the telescopic distribution arm support in Figure 13 is made the schematic diagram of looking up after another kind of change.
Wherein, in Fig. 1 to Fig. 4, the corresponding relation between Reference numeral and component names is:
1 ' 1 first segment telescopic arm; 1 ' 2 second section telescopic arm;
2 ' 1 stem pipes; 2 ' 2 central tube; Pipe joint in 2 ' 21 first; Pipe joint in 2 ' 22 second; 2 ' 3 last portion pipes;
3 ' fixed mount;
4 ' 1 first pin joints; 4 ' 2 second pin joints; 4 ' 3 the 3rd pin joints.
Corresponding relation in Fig. 5 to Figure 15 between Reference numeral and component names is:
11 first joint telescopic arms; 12 minor details telescopic arms; 13 second section telescopic arms; Section 14 the 3rd, telescopic arms;
21 stem pipes; 211 First pipe joints; 212 second first pipe joints;
22 central tube; Pipe joint in 221 first; Pipe joint in 222 second;
23 last portion pipes; 231 first minor details pipes; 232 second minor details pipes; 3 hangers; 31 slideways; 32 slide blocks.
The specific embodiment
Core of the present invention is for a kind of telescopic distribution arm support is provided, and the structure design of this telescopic distribution arm support can significantly reduce the maximum height of carrier pipe in its gathering and expansion process, thereby can guarantee carrying out smoothly of construction operation.In addition, another core of the present invention is for providing a kind of engineering machinery that comprises above-mentioned telescopic distribution arm support.
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 5, Fig. 5 be in the first embodiment of the present invention telescopic distribution arm support look up structure diagram.
In basic technology scheme, as shown in Figure 5, telescopic distribution arm support provided by the present invention, for engineering machinery, comprises jib body and carrier pipe; Jib body comprises at least two joint telescopic arms, and carrier pipe comprises successively hinged stem pipe 21, central tube 22 and last portion pipe 23; On the basis of this structure, stem pipe 21 comprises the First pipe joint 211 and the second first pipe joint 212 that are hinged, and the head end of First pipe joint 211 is connected on first joint telescopic arm 11; End portion pipe 23 comprises that the first minor details pipe 231 of being hinged and the tail end of the second minor details pipe 232, the second minor details pipes 232 are connected on minor details telescopic arm 12;
In said structure, because two hinged central axis at central tube 22 two ends vertically arrange, thereby central tube 22 is substantially in horizontal plane, to rotate, thereby launch and draw in, connected stem pipe 21 and afterbody pipe 23 also substantially launch and draw in horizontal plane thereupon, thereby carrier pipe is not to rotate in vertical plane, thus can significantly reduce its draw in and expansion process in the maximum height of carrier pipe, thereby can guarantee carrying out smoothly of construction operation.
In said structure design, central tube 22 can be located at the below of jib body, specifically can slide and be rotationally connected with on the bottom surface of jib body along the length direction of jib body by hanger 3, thereby be no matter while drawing in or the time of expansion, central tube 22 is all positioned at the below of jib body, thereby central tube 22 can not exceed the top end face of jib body, and then height can further reduce carrier pipe and launch and draw in time.Hence one can see that, and telescopic distribution arm support provided by the present invention can make central tube 22 below in jib body all the time, thereby can significantly reduce the maximum height of carrier pipe in its gathering and expansion process, thereby can guarantee carrying out smoothly of construction operation.
On the basis of above-mentioned basic technology scheme, can make further improvement, thereby obtain the first embodiment of the present invention.Particularly, as shown in Figure 5, jib body only comprises two joint telescopic arms, saves telescopic arm 11 and minor details telescopic arm 12 headed by respectively; Central tube 22 can be slided and be rotationally connected with on the bottom surface of minor details telescopic arm 12 along the length direction of jib body by hanger 3.Particularly, the tail end of last portion pipe 23 can further be articulated with on the side or bottom surface of minor details telescopic arm 12 of jib body.
As shown in Figure 5, minor details telescopic arm 12 saves telescopic arm 11 and stretches out from head, and central tube 22 is alongst slided on minor details telescopic arm 12 by hanger 3, and the while is due to the effect of balladeur train, central tube 22 rotates with respect to minor details telescopic arm 12, thereby realizes the expansion of carrier pipe.
On the basis of above-mentioned basic technology scheme, can also make further improvement, thereby obtain the second embodiment of the present invention.Particularly, please refer to Fig. 6, Fig. 6 be in the second embodiment of the present invention telescopic distribution arm support look up structure diagram.
In the second embodiment, as shown in Figure 6, jib body only comprises two joint telescopic arms, saves telescopic arm 11 and minor details telescopic arm 12 headed by respectively; Central tube 22 can be slided and be rotationally connected with on the bottom surface of first joint telescopic arm 11 along the length direction of jib body by hanger 3.In this kind of structure, minor details telescopic arm 12 saves telescopic arm 11 and stretches out from head, and central tube 22 is saved on telescopic arm 11 and alongst slides at head by hanger 3, and the while is due to the effect of balladeur train, central tube 22 rotates with respect to head joint telescopic arm, thereby realizes the expansion of carrier pipe.
In above-mentioned the second embodiment, as shown in Figure 6, end portion pipe 23 comprises the first minor details pipe 231 and the second minor details pipe 232 that are hinged, the tail end of the head end of the first minor details pipe 231 and central tube 22 is hinged, and the tail end of the second minor details pipe 232 is fixedly connected on the side or bottom surface of minor details telescopic arm 12 of jib body.As shown in Figure 5, the tail end of last portion pipe 23 is articulated with on minor details telescopic arm 12.And in this structure, last portion pipe 23 is divided into the second minor details pipe 232 that the first minor details pipe 231 is hinged, on basis, can make the second minor details pipe 232 be fixed on minor details telescopic arm 12, thereby can adapt to different work condition environments.
On the basis of above-mentioned the second embodiment, can make further improvement, thereby obtain the third embodiment of the present invention.Particularly, please refer to Fig. 7, Fig. 7 be in the third embodiment of the present invention telescopic distribution arm support look up structure diagram.
As shown in Figure 7, central tube 22 comprise be hinged first in pipe joint 222 in pipe joint 221 and second, and in first the head end of pipe joint 221 and the tail end of stem pipe 21 hinged, the tail end of pipe joint 222 and the head end of last portion pipe 23 are hinged in second; In first, pipe joint 221 and middle pipe joint can be slided and be rotationally connected with on the bottom surface of first joint telescopic arm 11 along the length direction of jib body by a hanger 3 respectively.
In said structure, along with minor details telescopic arm 12 saves telescopic arm 11 and stretches out from head, there is the effect of hanger 3, in pipe joint 221 and second, pipe joint 222 saves and on telescopic arm 11, slides and rotate at head in first, thereby realizes the expansion of carrier pipe.With respect to the structure design in the second embodiment, this structure can extend the length of run of central tube 22, thereby finally can improve the overall length of run of carrier pipe.
On the basis of above-mentioned basic technology scheme, can also make further improvement, thereby obtain the 4th kind of embodiment of the present invention.Particularly, as shown in Figure 8, Fig. 8 be in the 4th kind of embodiment of the present invention telescopic distribution arm support look up structure diagram.
In the 4th kind of embodiment, as shown in Figure 8, jib body comprises three joint telescopic arms, saves telescopic arm 11, minor details telescopic arm 12 and is located at the second section telescopic arm 13 between the two headed by respectively; Central tube 22 is rotationally connected with on the bottom surface of second section telescopic arm 13 by hanger 3.In this kind of structure, along with second section telescopic arm 13 and minor details telescopic arm 12 stretch out successively, central tube 22 rotates with respect to second section telescopic arm 13 by hanger 3, thereby realizes the expansion of carrier pipe.
On the basis of above-mentioned basic technology scheme, can also make further improvement, thereby obtain the 5th kind of embodiment of the present invention.Particularly, please refer to Fig. 9, Fig. 9 be in the 5th kind of embodiment of the present invention telescopic distribution arm support look up structure diagram.
In the 5th kind of embodiment, as shown in Figure 9, jib body comprises four joint telescopic arms, saves telescopic arm 11, minor details telescopic arm 12 and is located at second section telescopic arm 13 and Section of three telescopic arm 14 between the two headed by respectively; Central tube 22 comprise be hinged first in pipe joint 222 in pipe joint 221 and second, and in first the head end of pipe joint 221 and the tail end of stem pipe 21 hinged, the tail end of pipe joint 222 and the head end of last portion pipe 23 are hinged in second; In first, pipe joint 221 is rotationally connected with on the bottom surface of second section telescopic arm 13 by a hanger 3; In second, pipe joint 222 is rotationally connected with on the bottom surface of Section of three telescopic arm 14 by another hanger 3.
In said structure, along with second section telescopic arm 13, Section of three telescopic arm 14 and minor details telescopic arm 12 stretch out successively, in first, pipe joint 221 rotates on second section telescopic arm 13 by hanger 3, in second, pipe joint 222 rotates on Section of three telescopic arm 14 by another hanger 3, thereby can realize the expansion of carrier pipe.
On the basis of above-mentioned any technical scheme, can also make further improvement, thereby obtain the 6th kind of embodiment of the present invention.Particularly, please refer to Figure 10, Figure 11 and Figure 12, Figure 10 is the structural representation of telescopic distribution arm support in the 6th kind of embodiment of the present invention; Figure 11 is telescopic distribution arm support in Figure 10 upward view in the time drawing in; Figure 12 is telescopic distribution arm support in Figure 10 upward view upon deployment.
In said structure design, because stem pipe 21 comprises the First pipe joint 211 and the second first pipe joint 212 that are hinged, extend to bottom surface the side that this kind of structure design can facilitate stem pipe 21 to save telescopic arm 11 by head, thereby be convenient to the central tube 22 in below hinged.In addition, because last portion pipe 23 comprises the first minor details pipe 231 and the second minor details pipe 232 that are hinged, this kind of structure design can facilitate last portion pipe 23 to be extended by the end aspect-oriented of minor details telescopic arm 12, thereby the end of being convenient to last portion pipe 23 is connected on the side of minor details telescopic arm 12.
Please refer to Figure 13, Figure 13 is the schematic diagram of looking up of telescopic distribution arm support in Figure 10.
In above-mentioned the 6th kind of embodiment, as shown in figure 13, head end and all the same sides in jib body of tail end of the second first pipe joint 212 when carrier pipe draws in, the head end of the first minor details pipe 231 and tail end be the opposite side in jib body all.
In Figure 13, on the basis of structure, can make further change.Particularly, please refer to Figure 14, Figure 14 is the schematic diagram of looking up after the telescopic distribution arm support in Figure 13 makes a change.
As shown in figure 14, the second first pipe joint 212 and the first minor details pipe 231 are all positioned at the below of the bottom of jib body, and carrier pipe draw in time the second first pipe joint 212 head end and the tail end both sides in jib body respectively, the head end of the first minor details pipe 231 and tail end be the both sides in jib body respectively.This kind of structure design can extend the length of the second first pipe joint 212 and the first minor details pipe 231, thus the entire length that can finally extend carrier pipe.
In Figure 13, on the basis of structure, can make further change.Particularly, please refer to Figure 15, Figure 15 is that the telescopic distribution arm support in Figure 13 is made the schematic diagram of looking up after another kind of change.
As shown in figure 15, stem pipe 21 and last portion pipe 23 also can all be articulated with on the bottom surface of jib body, and obviously, this kind of structure design also can technical solution problem, realizes goal of the invention.
In above-mentioned any technical scheme, as shown in Figure 10 to Figure 12, first joint telescopic arm 11 is hinged with the turntable of engineering machinery, and First pipe joint 211 is articulated with on the pin joint between first joint telescopic arm 11 and turntable.In this kind of structure, first joint telescopic arm 11, turntable and First pipe joint 211 share a pin joint, thereby can reduce the quantity of pin joint, thereby reduce processing and manufacturing cost.
In above-mentioned any technical scheme, as shown in Figure 11 and Figure 12, hanger 3 comprises slideway 31 and is located at the slide block 32 in this slideway 31; Slideway 31 is located on the bottom surface of corresponding jib body and along its length and is extended, and slide block 32 is articulated with in corresponding central tube 22.Obviously, the structure design of this kind of hanger 3 can realize central tube 22 and slides and rotate with respect to corresponding jib body.Certainly, any structure design, occurs slide and rotate with respect to corresponding jib body as long as can realize central tube 22, just all should be within protection scope of the present invention.
It should be noted that, in this article, as shown in Figures 5 to 9, the pin joint of stem pipe 21 and first joint telescopic arm 11, and the fixed connection point of minor details pipe and minor details telescopic arm 12 or pin joint be all located on the bottom surface of jib body, but this is only a kind of embodiment, certainly, the pin joint of stem pipe 21 and first joint telescopic arm 11, and the fixed connection point of minor details pipe and minor details telescopic arm 12 or pin joint be located on the side of jib body, is also fine.
In addition, the present invention also provides a kind of engineering machinery, comprises turntable; Engineering machinery also comprises the telescopic distribution arm support in above-mentioned any technical scheme, and first joint telescopic arm 11 is hinged with turntable.Other parts of this project machinery can, with reference to prior art, no longer be launched herein.Particularly, this project machinery can be concrete mixer.
Above engineering machinery provided by the present invention and telescopic distribution arm support thereof are described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (11)
1. a telescopic distribution arm support, for engineering machinery, comprises jib body and carrier pipe; Described jib body comprises at least two joint telescopic arms, and described carrier pipe comprises successively hinged stem pipe (21), central tube (22) and last portion pipe (23); It is characterized in that,
Described stem pipe (21) comprises the First pipe joint (211) and the second first pipe joint (212) that are hinged, and the head end of described First pipe joint (211) is connected on first joint telescopic arm (11);
Described last portion's pipe (23) comprises the first minor details pipe (231) and the second minor details pipe (232) that are hinged, and the tail end of described the second minor details pipe (232) is connected on minor details telescopic arm (12);
Described central tube (22) be positioned at described jib body above or below; The tail end of the head end of described central tube (22) and described the second first pipe joint (212) is hinged, and described hinged central axis is positioned at perpendicular, the head end of the tail end of described central tube (22) and described the first minor details pipe (231) is hinged, and described hinged central axis is positioned at perpendicular.
2. telescopic distribution arm support as claimed in claim 1, is characterized in that, described central tube is positioned at the below of described jib body.
3. telescopic distribution arm support as claimed in claim 2, is characterized in that, described jib body only comprises two joint telescopic arms, is respectively described first joint telescopic arm (11) and described minor details telescopic arm (12);
Described central tube (22) can be slided and be rotationally connected with on the bottom surface of described minor details telescopic arm (12) along the length direction of jib body by hanger (3).
4. telescopic distribution arm support as claimed in claim 2, is characterized in that, described jib body only comprises two joint telescopic arms, is respectively described first joint telescopic arm (11) and described minor details telescopic arm (12);
Described central tube (23) can be slided and be rotationally connected with on the bottom surface of described first joint telescopic arm (11) along the length direction of jib body by hanger (3).
5. telescopic distribution arm support as claimed in claim 4, it is characterized in that, described central tube (22) comprise be hinged first in pipe joint (222) in pipe joint (221) and second, and in described first the head end of pipe joint (221) and the tail end of described the second first pipe joint (212) hinged, the tail end of pipe joint (222) and the head end of described the first minor details pipe (231) are hinged in described second;
In pipe joint in described first (221) and described second, pipe joint (222) can be slided and be rotationally connected with on the bottom surface of first joint telescopic arm (11) along the length direction of jib body by a hanger (3) respectively.
6. telescopic distribution arm support as claimed in claim 2, is characterized in that, described jib body comprises three joint telescopic arms, is respectively described first joint telescopic arm (11), described minor details telescopic arm (12) and is located at the second section telescopic arm (13) between the two;
Described central tube (22) is rotationally connected with on the bottom surface of described second section telescopic arm (13) by hanger (3).
7. telescopic distribution arm support as claimed in claim 2, it is characterized in that, described jib body comprises four joint telescopic arms, is respectively described first joint telescopic arm (11), described minor details telescopic arm (12) and is located at second section telescopic arm (13) and Section of three telescopic arm (14) between the two;
Described central tube (22) comprise be hinged first in pipe joint (222) in pipe joint (221) and second, and in described first the head end of pipe joint (221) and the tail end of described the second first pipe joint (212) hinged, the tail end of pipe joint (222) and the head end of described the first minor details pipe (231) are hinged in described second;
Pipe joint in described first (221) is rotationally connected with on the bottom surface of second section telescopic arm (13) by a hanger (3); Pipe joint in described second (222) is rotationally connected with on the bottom surface of Section of three telescopic arm (14) by another hanger (3).
8. telescopic distribution arm support as claimed in claim 1, it is characterized in that, head end and all the same sides in described jib body of tail end of the second first pipe joint (212) described in when described carrier pipe draws in, all opposite sides in described jib body of the head end of described the first minor details pipe (231) and tail end.
9. telescopic distribution arm support as claimed in claim 1, it is characterized in that, described the second first pipe joint (212) and described the first minor details pipe (231) are all positioned at the below of the bottom of described jib body, and described carrier pipe while drawing in described in head end and the tail end both sides in described jib body respectively of the second first pipe joint (212), the head end of described the first minor details pipe (231) and the tail end both sides in described jib body respectively.
10. the telescopic distribution arm support as described in claim 3 to 7 any one, is characterized in that, described hanger (3) comprises slideway (31) and is located at the slide block (32) in this slideway; Described slideway (31) is located on the bottom surface of corresponding jib body and along its length and is extended, and described slide block (32) is articulated with in corresponding central tube (22).
11. 1 kinds of engineering machinery, comprise turntable; It is characterized in that, described engineering machinery also comprises the telescopic distribution arm support as described in claim 1 to 10 any one, and described first joint telescopic arm (11) is hinged with described turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210050006.0A CN102535856B (en) | 2012-02-29 | 2012-02-29 | Engineering machine and telescopic distribution arm support thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210050006.0A CN102535856B (en) | 2012-02-29 | 2012-02-29 | Engineering machine and telescopic distribution arm support thereof |
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| CN102535856A CN102535856A (en) | 2012-07-04 |
| CN102535856B true CN102535856B (en) | 2014-07-09 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1255219A (en) * | 1969-06-03 | 1971-12-01 | Simon Eng Dudley Ltd | Improvements in or relating to concrete emplacement equipment |
| ITMI20060141U1 (en) * | 2006-04-20 | 2006-07-20 | Cifa Spa | TRUCK PUMP FOR CONCRETE WITH INCREASED EXTENSION OF THE ARTICULATED SUPPORT ARM AND SHAPE INCLUDED IN THE LIMITS ENVISAGED BY THE EUROPEAN STANDARD FOR FREE ROAD CIRCULATION |
| CN201325866Y (en) * | 2008-12-25 | 2009-10-14 | 三一重工股份有限公司 | Concrete conveyer, concrete distributing machine and concrete pump truck |
| DE102010034679A1 (en) * | 2010-08-18 | 2012-02-23 | Schwing Gmbh | Sludge pump, particularly self-propelled concrete pump, has mast structure with mast arm, at which slurry delivery line is suspended, where slurry delivery line is formed from supply pipes |
| CN201730339U (en) * | 2010-08-19 | 2011-02-02 | 三一重工股份有限公司 | Concrete pumping equipment and cantilever device thereof |
| CN202139858U (en) * | 2011-06-28 | 2012-02-08 | 三一重工股份有限公司 | Jib system and concrete pump vehicle provided with jib system |
| CN102505854A (en) * | 2011-11-13 | 2012-06-20 | 上海汽车改装厂有限公司 | Concrete spreader boom and concrete spreader with same |
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