CN202401770U - Arm support of concrete pump truck and concrete pump truck - Google Patents
Arm support of concrete pump truck and concrete pump truck Download PDFInfo
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- CN202401770U CN202401770U CN2011205205300U CN201120520530U CN202401770U CN 202401770 U CN202401770 U CN 202401770U CN 2011205205300 U CN2011205205300 U CN 2011205205300U CN 201120520530 U CN201120520530 U CN 201120520530U CN 202401770 U CN202401770 U CN 202401770U
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- 239000012530 fluid Substances 0.000 description 1
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Abstract
The utility model provides a concrete pump truck's cantilever crane, this cantilever crane have fold condition and expansion state, the cantilever crane is including seven sections arm festival articulated in proper order fold condition, seven sections arm festival arrange into five straight lines that stagger each other basically, and two section arm festival at least at last are in on the same straight line. The seven arm sections are basically arranged into five straight lines which are mutually staggered, so that the overall size of the arm sections can be greatly reduced, and the requirement of road driving conditions is easily met. In addition, in a folded state, at least the last two sections of arm sections are positioned on the same straight line, so that the flexibility and the operability of arm support material distribution can be greatly improved. The utility model also provides a concrete pump truck of including above-mentioned cantilever crane.
Description
Technical field
The utility model relates to the conveying equipment of concrete or other constructional materialss, particularly, and the concrete mixer that relates to a kind of jib of concrete mixer and comprise this jib.
Background technology
Concrete pump truck (also can abbreviate " concrete mixer " perhaps " pump truck " as) is that concrete pump and articulated boom are installed on the automobile chassis, and lays concrete conveying pipe along jib, finally exports concrete conveying machinery through end hose.Articulated boom has folded state and deployed condition.When folded state, the jib folding and retraction is to the chassis, so that pump truck is in travels down.In deployed condition, jib launches, with remote fluid concrete.
Known ground, the folded form of jib mainly contains R shape, Z-shaped and RZ shape.R shape folding mode is meant single oil cylinder joint, and for example clockwise direction is folding facing one direction with the mode of reeling or intervolving, and for example counterclockwise launches in the opposite direction.Z-shaped folding mode is meant the folding or expansion with opposite successively direction of single oil cylinder joint.RZ shape is R shape and Z-shaped combination.In order to obtain farther fed distance, need use more single oil cylinder joint.Yet at folded state, pump truck will receive the restriction of road driving condition inevitably when travels down, and for example the length and width height of pump truck all will receive the restriction of road driving standard under folded state, so can not unrestrictedly increase the joint number of arm joint.At present, number generally can be above six joints successively for the arm of the jib of concrete mixer.
In order to increase concrete fed distance, under the arm situation that number does not increase successively, can only select to increase the length of every joint arm joint; But this mode makes the flexibility of jib and operability descend on the one hand; On the other hand, because arm joint length increases the corresponding increase so the sectional dimension of arm joint is also had to; Thereby still can cause the pump truck overall dimensions to increase to a certain extent, thereby receive the restriction of road driving condition.
How guaranteeing that pump truck under the folded state can satisfy the requirement of road driving condition; Can, jib increase concrete fed distance when launching as much as possible again; Can also guarantee simultaneously the flexibility and the operability of jib, be the long-standing difficult problem in this area always.
The utility model content
The purpose of the utility model provides a kind of jib of concrete mixer; It is not increasing under the situation of pump truck overall dimensions under the folded state basically; Concrete fed distance can be when jib launches, improved as much as possible, the flexibility and the operability of jib can also be guaranteed simultaneously.
To achieve these goals; The utility model provides a kind of jib of concrete mixer; This jib has folded state and deployed condition, and said jib comprises seven hinged successively joint arm joints, at said folded state; Five straight lines that said seven joint arm joints are arranged to stagger each other basically, and last at least two joint arm sections are on same straight line.
Preferably, at said folded state, the 4th joint is to two straight lines of the 7th joint arm section in said five straight lines.
Preferably, on said the 4th joint arm joint and the straight line of the 5th joint arm section in said two straight lines, on said the 6th joint arm joint and the 7th joint arm section another straight line in said two straight lines.
Preferably; At said folded state, the first segment arm joint and the second joint arm joint are positioned on first longitudinal surface, and the 4th joint to the 7th joint arm joint is positioned on second longitudinal surface; First longitudinal surface and second longitudinal surface are parallel to each other and are spaced apart, and the 3rd joint arm joint extends between first longitudinal surface and second longitudinal surface.
Preferably, when jib was folding, first segment to the three joint arm joints were folding towards first direction, and the 4th joint arm joint court second direction opposite with first direction folds on the 3rd joint arm joint, and the 6th joint arm joint folds on the 5th joint arm joint towards first direction.
Preferably, on said the 5th joint arm joint, the 6th joint arm joint and the straight line of the 7th joint arm section in said two straight lines, said the 4th joint arm joint is in separately on another straight line in said two straight lines.
Preferably; At said folded state, the first segment arm joint and the second joint arm joint are positioned on first longitudinal surface, and the 4th joint to the 7th joint arm joint is positioned on second longitudinal surface; First longitudinal surface and second longitudinal surface are parallel to each other and are spaced apart, and the 3rd joint arm joint extends between first longitudinal surface and second longitudinal surface.
Preferably, when jib was folding, first segment to the three joint arm joints were folding towards first direction, and the 4th joint arm joint court second direction opposite with first direction folds on the 3rd joint arm joint, and the 5th joint arm joint folds on the 4th joint arm joint towards first direction.
Preferably, at said folded state, said five straight lines are parallel to each other basically.
In addition, the utility model also provides a kind of concrete mixer, comprises automobile chassis, turntable and jib, and this jib is installed on the automobile chassis through turntable, and wherein this jib is the arm joint that the utility model provides.
Through technique scheme, the jib with seven joint arm joints can be provided, so can improve concrete fed distance to a certain extent.In addition, at folded state, therefore five straight lines that said seven joint arm joints are arranged to stagger each other basically can dwindle the overall dimensions that arm saves greatly, satisfy the requirement of road driving condition easily.In addition, at folded state, the flexibility and the operability of jib cloth can be improved thus greatly in last at least two joint arm sections on same straight line.
Other feature and advantage of the utility model will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of manual, is used to explain the utility model with the following specific embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 (a) is the side schematic view according to the concrete mixer of a kind of embodiment of the utility model.
Fig. 1 (b) is the schematic diagram of Fig. 1 (a).
Fig. 2 (a) is the side schematic view according to the concrete mixer of the another kind of embodiment of the utility model.
Fig. 2 (b) is the schematic diagram of Fig. 2 (a).
Fig. 3 to Figure 10 is respectively the schematic diagram of the concrete mixer of some other embodiment of providing of the utility model.
The specific embodiment
Be elaborated below in conjunction with the specific embodiment of accompanying drawing to the utility model.Should be understood that the specific embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
As shown in the figure, concrete mixer mainly comprises automobile chassis, turntable and jib, and this jib is installed on the automobile chassis through turntable 8, so that can rotate platform 8 rotations as required, can rotate the 0-360 degree under the preferable case.
The concrete mixer that the utility model provides has seven hinged successively joint arm joints, from first segment arm joint 1 beginning that links to each other with turntable 8, is followed successively by first segment arm joint 1 to the 7th joint arm joint 7.In prior art, have the jib that five joint arms save usually, the jib with seven joint arms joints can improve concrete fed distance to a certain extent.
In addition, as an importance of the utility model, when jib is in folded state; Five straight lines that said seven joint arm joints are arranged to stagger each other basically, in other words, seven joint arm joints constitute " five layers " structure when folding; Rather than as constituting " seven layers " structure (no matter being R shape or Z-shaped) on the traditional sense; Therefore can dwindle the height of overall dimensions, the especially pump truck of arm joint greatly, thereby satisfy the requirement of road driving condition easily.
In addition, as another importance of the utility model, when jib was in folded state, the flexibility and the operability of jib cloth can be improved thus greatly in last at least two joint arm sections on same straight line.Exactly because also there is the single oil cylinder joint to be on same the straight line; So could seven joint arm joints be folded into " five layers " structure; This characteristic and above-mentioned characteristic are combined, and have constituted a kind of brand-new technology scheme, and a kind of novel jib promptly is provided; Than the jib of traditional sense, it has obvious improvement meaning and stronger market value.
In technique scheme, those skilled in the art can adopt multiple concrete embodiment to implement the utility model, for example three joint arm joints are arranged point-blank, so just can seven joint arm joints be arranged to five straight lines; Perhaps, four joint arm joints one group are arranged on two straight lines in twos, can seven joint arm joints be arranged to five straight lines equally.In theory, being arranged in joint of two on same the straight line or three joint arm joints can be any adjacent arm joint in the seven joint arm joints.But, can the 4th joint to the 7th joint arm joint (being last four joint arm joints) be arranged on two straight lines as preferred embodiment a kind of.Because normally on minor details arm joint, connect end hose, when operation, concrete etc. is transported to the job site of appointment through this end hose.Therefore, last some joint arms are saved the layout that is in line and to increase the flexibility and the operability of jib in the cloth process greatly.
Below, at first will preferred embodiment be elaborated to two kinds that the utility model provided with reference to accompanying drawing.
Fig. 1 (a) and Fig. 1 (b) show a kind of embodiment of the utility model.As shown in the figure, in seven joint arm joints of jib, said the 4th joint arm joint the 4 and the 5th joint arm joint 5 is in a straight line, and said the 6th joint arm joint the 6 and the 7th joint arm joint 7 is on another straight line.These two straight lines are as last two straight lines of five straight lines of the utility model jib.In this way, last four joint arm joints are arranged on two adjacent straight lines, not only can reduce the overall dimensions of pump truck, and greatly improve the flexibility and the operability of jib cloth.
In addition; From Fig. 1 (a), can find out; When jib was in folded state, first segment arm the joint 1 and second joint arm joint 2 was positioned on first longitudinal surface, and the 4th joint arm joint 4 to the 7th joint arm joints 7 are positioned on second longitudinal surface; First longitudinal surface and second longitudinal surface are parallel to each other and are spaced apart, and the 3rd joint arm joint 3 extends between first longitudinal surface and second longitudinal surface.That is to say; On the width of pump truck; First longitudinal surface that comprises first segment arm the joint 1 and second joint arm joint 2 is spaced from each other with second longitudinal surface that comprises the 4th joint arm joint 4 to the 7th joint arm joints 7, links to each other through the 3rd joint arm joint 3 between two longitudinal surfaces, and promptly the 3rd joint arm joint 3 is designed to crooked shape; Make the one of which end be positioned at first longitudinal surface, the other end is positioned at second longitudinal surface.In this way, can make full use of the space of width on the pump truck chassis simultaneously so that the height of pump truck reduces.
In addition; As a kind of preferred jib folding mode; As shown in the figure, when jib was folding, first segment arm joint 1 to the 3rd joint arm joint 3 was folding towards first direction (being clockwise direction shown in Fig. 1 (b)); The 4th joint arm saves the 4 courts second direction (counterclockwise) opposite with first direction and folds on the 3rd joint arm joint 3, and the 6th joint arm joint 6 folds on the 5th joint arm joint 5 towards first direction.Jib launches to carry out according to opposite direction.Through this hybrid-type folding mode, can effectively reduce space shared under the jib folded state, reduce the overall dimensions of pump truck under walking states, satisfy the requirement of road driving condition easily.
Fig. 2 (a) and Fig. 2 (b) show second kind of embodiment of the utility model.As shown in the figure, in seven joint arm joints of jib, said the 5th joint arm joint the 5, the 6th joint arm joint the 6 and the 7th joint arm joint 7 is on same the straight line, and said the 4th joint arm joint 4 then is in separately on another adjacent straight line.In this way, last three joint arm joints are arranged on same the straight line, the flexibility of jib and operability are further improved, under the situation of some limited space, also can guarantee concrete successfully is transported to the job site of appointment.
In addition, similar with above-mentioned first embodiment, equally can seven joint arm joints are arranged apart in two longitudinal surfaces, so that reduce the height of pump truck, make full use of the space of width on the pump truck chassis simultaneously, no longer repeat specification to this.
In addition; As a kind of preferred jib folding mode; As shown in the figure, when jib was folding, first segment arm joint 1 to the 3rd joint arm joint 3 was folding towards first direction (being clockwise direction shown in Fig. 2 (b)); The 4th joint arm saves the 4 courts second direction opposite with first direction (being counter clockwise direction shown in Fig. 2 (b)) and folds on the 3rd joint arm joint 3, and the 5th joint arm joint 5 folds into the 4th towards first direction and saves on the arm joint 4.Through this hybrid-type folding mode, can effectively reduce space shared under the jib folded state equally, reduce the overall dimensions of pump truck under walking states, satisfy the requirement of road driving condition easily.
In addition, as a kind of embodiment of the utility model, shown in Fig. 1 (a) and Fig. 2 (a), five straight lines that seven joint arm joints are constituted are parallel to each other basically.That is, when folded state, all arms joint all roughly is in level in the arm section, the more stable and easy arrangement relatively comparatively speaking of structure.
Another aspect as the utility model also provides a kind of concrete mixer, mainly comprises automobile chassis, turntable and jib, and this jib is installed on the automobile chassis through turntable 8, and this jib adopts the jib that the utility model provided.
Except above-mentioned two kinds of embodiments, the utility model also provides some other embodiment of the jib with seven joint arm joints, and is extremely shown in Figure 10 like Fig. 3 respectively, describes in the face of these embodiments down.
As shown in Figure 3, at folded state, the 6th joint arm joint the 6 and the 7th joint arm saves 7 and arranges point-blank, thereby can improve the flexibility and the operability of jib.In addition, when jib was folding, the folding mode of first segment arm joint 1 to the 3rd joint arm joint 3 was a R shape, and folding direction is the clockwise direction shown in Fig. 3, and the folding mode of the 3rd joint arm joint 3 to the 6th joint arm joints 6 is Z-shaped.
As shown in Figure 4, at folded state, the 6th joint arm joint the 6 and the 7th joint arm joint 7 is arranged point-blank.In addition, when this jib folded, the folding mode of first segment arm joint 1 to the 3rd joint arm joint 3 was Z-shaped, and the folding mode of the 3rd joint arm joint 3 to the 6th joint arm joints 6 is Z-shaped for oppositely, and promptly the folding direction of folding direction and first segment arm joint 1 to the 3rd joint arm joint 3 is opposite.
As shown in Figure 5, when jib was folding, the folding mode of first segment arm joint 1 to the 3rd joint arm joint 3 was Z-shaped, and the folding mode of the 3rd joint arm joint 3 to the 6th joint arm joints 7 is Z-shaped for oppositely, and promptly the folding direction of folding direction and first segment arm joint 1 to the 3rd joint arm joint 3 is opposite.
As shown in Figure 6, at folded state, the 6th joint arm joint the 6 and the 7th joint arm joint 7 is arranged point-blank.In addition; When jib is folding; The folding mode of first segment arm joint 1 to the 3rd joint arm joint 3 is a R shape, and folding direction is the clockwise direction shown in Fig. 6, and the folding mode of the 3rd joint arm joint arm joint 3 to the 5th joint arm joints 5 is reverse R shape; Be that folding direction is counterclockwise, the 6th joint arm joint 6 fold in a clockwise direction the 5th joint arm joint 5 below.In addition, in this embodiment, the low inclination mode in high back was arranged before the 5th joint arm joint the 5, the 6th joint arm joint the 6 and the 7th joint arm joint 7 was on the fore-and-aft direction of pump truck, with this utilization rate that can improve the chassis superjacent air space, reduced the overall dimensions of pump truck.
As shown in Figure 7, at folded state, the 6th joint arm joint the 6 and the 7th joint arm joint 7 is arranged point-blank.In addition, when jib was folding, the folding mode of first segment arm joint 1 to the 3rd joint arm joint 3 was Z-shaped, and the folding mode of the second joint arm joint, 2 to the 6th joint arm joints 6 is a R shape, and folding direction is the counter clockwise direction shown in Fig. 7.In addition, in this embodiment, the 5th joint arm joint 5 is low early and high after inclination mode and arranges on the fore-and-aft direction of pump truck.
As shown in Figure 8; When jib was folding, the folding mode of first segment arm joint 1 to the 3rd joint arm joint 3 was a R shape, and folding direction is the clockwise direction shown in Fig. 8; The folding mode of the 3rd joint arm joint 3 to the 5th joint arm joints 5 is reverse R shape; Be that folding direction is counterclockwise, the folding mode of the 5th joint arm joint 5 to the 7th joint arm joints 7 is a R shape, and folding direction is a clockwise direction.
As shown in Figure 9, at folded state, the 6th joint arm joint the 6 and the 7th joint arm joint 7 is arranged point-blank.In addition; When jib was folding, the folding mode of first segment arm joint 1 to the 3rd joint arm joint 3 was a R shape, and folding direction is the clockwise direction shown in Fig. 9; The folding mode of the second joint arm joint, 2 to the 5th joint arms joints 5 is Z-shaped, the 6th joint arm joint 6 fold in a clockwise direction the 5th joint arm joint 5 below.
Shown in figure 10, at folded state, the 6th joint arm joint the 6 and the 7th joint arm joint 7 is arranged point-blank.In addition, when jib was folding, the folding mode of first segment arm joint 1 to the 3rd joint arm joint 3 was Z-shaped, and the folding mode of the 3rd joint arm joint 3 to the 5th joint arms joints 5 is Z-shaped for oppositely, the 6th joint arm joint 6 fold in a clockwise direction the 5th joint arm save 5 below.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned embodiment; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various embodiment of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (10)
1. the jib of a concrete mixer; This jib has folded state and deployed condition; It is characterized in that said jib comprises seven hinged successively joint arm joints, at said folded state; Five straight lines that said seven joint arm joints are arranged to stagger each other, and last at least two joint arm sections are on same straight line.
2. the jib of concrete mixer according to claim 1 is characterized in that, at said folded state, the 4th joint is to two straight lines of the 7th joint arm section in said five straight lines.
3. the jib of concrete mixer according to claim 2; It is characterized in that; On said the 4th joint arm joint and the straight line of the 5th joint arm section in said two straight lines, on said the 6th joint arm joint and the 7th joint arm section another straight line in said two straight lines.
4. the jib of concrete mixer according to claim 3; It is characterized in that; At said folded state, the first segment arm joint and the second joint arm joint are positioned on first longitudinal surface, and the 4th joint to the 7th joint arm joint is positioned on second longitudinal surface; First longitudinal surface and second longitudinal surface are parallel to each other and are spaced apart, and the 3rd joint arm joint extends between first longitudinal surface and second longitudinal surface.
5. the jib of concrete mixer according to claim 4; It is characterized in that; When jib is folding; First segment to the three joint arm joints are folding towards first direction, and the 4th joint arm joint court second direction opposite with first direction folds on the 3rd joint arm joint, and the 6th joint arm joint folds on the 5th joint arm joint towards first direction.
6. the jib of concrete mixer according to claim 2; It is characterized in that; On said the 5th joint arm joint, the 6th joint arm joint and the straight line of the 7th joint arm section in said two straight lines, said the 4th joint arm joint is in separately on another straight line in said two straight lines.
7. the jib of concrete mixer according to claim 6; It is characterized in that; At said folded state, the first segment arm joint and the second joint arm joint are positioned on first longitudinal surface, and the 4th joint to the 7th joint arm joint is positioned on second longitudinal surface; First longitudinal surface and second longitudinal surface are parallel to each other and are spaced apart, and the 3rd joint arm joint extends between first longitudinal surface and second longitudinal surface.
8. the jib of concrete mixer according to claim 7; It is characterized in that; When jib is folding; First segment to the three joint arm joints are folding towards first direction, and the 4th joint arm joint court second direction opposite with first direction folds on the 3rd joint arm joint, and the 5th joint arm joint folds on the 4th joint arm joint towards first direction.
9. the jib of concrete mixer according to claim 1 is characterized in that, at said folded state, said five straight lines are parallel to each other basically.
10. a concrete mixer comprises automobile chassis, turntable and jib, and this jib is installed on the automobile chassis through turntable, it is characterized in that, said jib is according to any described jib among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205205300U CN202401770U (en) | 2011-12-13 | 2011-12-13 | Arm support of concrete pump truck and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205205300U CN202401770U (en) | 2011-12-13 | 2011-12-13 | Arm support of concrete pump truck and concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202401770U true CN202401770U (en) | 2012-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205205300U Expired - Lifetime CN202401770U (en) | 2011-12-13 | 2011-12-13 | Arm support of concrete pump truck and concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202401770U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518305A (en) * | 2011-12-13 | 2012-06-27 | 中联重科股份有限公司 | Arm support of concrete pump truck and concrete pump truck |
| EP2733283A3 (en) * | 2012-11-16 | 2014-12-03 | Liebherr-Betonpumpen GmbH | Mobile concrete pump |
-
2011
- 2011-12-13 CN CN2011205205300U patent/CN202401770U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518305A (en) * | 2011-12-13 | 2012-06-27 | 中联重科股份有限公司 | Arm support of concrete pump truck and concrete pump truck |
| CN102518305B (en) * | 2011-12-13 | 2013-08-28 | 中联重科股份有限公司 | Arm support of concrete pump truck and concrete pump truck |
| EP2733283A3 (en) * | 2012-11-16 | 2014-12-03 | Liebherr-Betonpumpen GmbH | Mobile concrete pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120829 Effective date of abandoning: 20130828 |
|
| RGAV | Abandon patent right to avoid regrant |