CN203654762U - Arm support and concrete pump truck - Google Patents
Arm support and concrete pump truck Download PDFInfo
- Publication number
- CN203654762U CN203654762U CN201320601958.7U CN201320601958U CN203654762U CN 203654762 U CN203654762 U CN 203654762U CN 201320601958 U CN201320601958 U CN 201320601958U CN 203654762 U CN203654762 U CN 203654762U
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- China
- Prior art keywords
- jib
- body unit
- arm body
- arm
- unit
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- 230000004308 accommodation Effects 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000011030 bottleneck Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses an arm support which comprises an arm body unit (1) as well as an arm head unit (2) and an arm end unit (3) which are arranged at end parts of two sides of the arm body unit respectively, wherein the arm body unit adopts an I-beam structure. The utility model further discloses a concrete pump truck which comprises multiple sections of arm supports, wherein each section of arm support is the arm support, and the arm end unit of a former section of arm support is rotatably connected with the arm head unit of a latter section of arm support. With the adoption of the arm support and the concrete pump truck, the structure of the arm support can be simplified, the dead weight of the arm support is reduced, and accordingly, the increase of the total length of the arm support is facilitated.
Description
Technical field
The utility model relates to engineering machinery field, particularly, relates to a kind of jib and concrete mixer.
Background technology
The concrete conveying equipments such as concrete mixer are widely used in constructions work, and in these equipment, jib becomes the leading indicator that improves pumping equipment functional performance.In prior art, the structure of jib is generally box beam, and jib is set to elongated casing, and its cross section is quadrangle.Box beam jib external surface is welded to form by metal sheet, and the inside of box beam jib comprises strengthens gusset and dividing plate.With regard to current technology, one meter of the every increase of jib, pump truck load increases thereupon, and the pressure that hydraulic system will be born can increase substantially.Meanwhile, the increase of jib length also has influence on anti-swing and the stationarity of whole pump truck.Therefore there is the design bottleneck that is difficult to breakthrough in traditional box girder construction, aspect the length of increase jib.In addition, also there is following drawback in box beam jib: 1, the welding between box beam metal sheet is higher to welding process requirement, and the gusset of establishing in order to strengthen local stiffness and dividing plate are subject to the restriction of processing and welding procedure; 2, in box beam structure, some position of web does not need to bear certain stress, but in order to ensure integrality and the continuity of box girder construction, conventionally can not cancel the setting at these positions, has caused thus part waste of material; 3, jib body is heavier, thus the pump truck of manufacturing higher pumping jib is formed to restriction; 4, conveying pipeline is arranged on the casing outside of box beam conventionally, and casing need bear the larger moment of torsion producing because of the weight of conveying pipeline and material.
Utility model content
The purpose of this utility model is to provide a kind of jib and concrete mixer, in order to simplify jib structure, alleviate the deadweight of jib, thereby be conducive to increase the total length of jib.
To achieve these goals, the utility model provides a kind of jib, and this jib comprises arm body unit, and is separately positioned on arm head unit and the arm tail unit of the both side ends of arm body unit.Wherein, arm body unit structure is structural I-beam.
Preferably, arm body unit comprises: the top board and the base plate that arrange at intervals; And web, this web is connected between top board and base plate and by the spatial separation between top board and base plate and becomes first accommodation space the second accommodation space; Wherein, be arranged in the first accommodation space for delivery of concrete conveying pipeline.
Preferably, jib also comprises the bracing frame for supporting conveying pipeline; Wherein, bracing frame is connected on web, and on bracing frame, is connected with the pipe clamp that conveying pipeline is removably connected to bracing frame.
Preferably, the electric hydraulic pipeline of jib is arranged in the second accommodation space and is connected on web.
Preferably, top board and base plate weld with web respectively.
Preferably, arm head unit comprises: laterally installing plate, and this horizontal installing plate is connected to a side end of arm body unit along the cross-sectional direction of arm body unit; And two side plates, these two side plates are connected on horizontal installing plate at intervals, and extend towards the direction away from arm body unit along the length direction of jib; And on two side plates, offer respectively the first pin-and-hole of mutual correspondence.
Preferably, arm tail unit comprises plugboard, and this plugboard is connected in the end side of arm body unit, and extends towards the direction away from arm body unit along the length direction of web; Wherein, on plugboard, offer the second pin-and-hole.
On the other hand, the utility model also provides a kind of concrete mixer, and this concrete mixer comprises more piece jib, and every joint jib is above-mentioned jib; Wherein, the arm tail unit of last joint jib is connected rotationally with the arm head unit of a rear joint jib.
Preferably, the arm head unit of the every joint jib in more piece jib comprises: laterally installing plate, and this horizontal installing plate is connected to a side end of arm body unit along the cross-sectional direction of arm body unit; And two side plates, these two side plates are connected on horizontal installing plate at intervals, and extend towards the direction away from described arm body unit along the length direction of jib; And on two side plates, offer respectively the first pin-and-hole of mutual correspondence; The arm tail unit of the every joint jib in more piece jib comprises plugboard, and this plugboard is connected in the end side of arm body unit, and extends towards the direction away from arm body unit along the length direction of web; On plugboard, offer the second pin-and-hole; Wherein, after the plugboard of last joint jib is inserted into, one saves between two side plates of jib, and last joint jib and rear saves jib by hinged through the alignment pin of the first pin-and-hole and the second pin-and-hole.
Preferably, the arm tail unit of the every joint jib in more piece jib is also included in two fixing positioning frameworks of holding position on the axis direction of the second pin-and-hole, and these two positioning frameworks are separately positioned on the both sides of plugboard; Wherein, two of last joint jib positioning frameworks allow two side plates of a rear joint jib to be embedded into respectively wherein.
By technique scheme, the utility model replaces box beam structure of the prior art with structural I-beam.Owing at least having reduced by a web, therefore greatly reduce the consumption of material, simplify the structure of jib, the deadweight that has simultaneously alleviated jib.By this, can save material cost, and under the prerequisite that alleviates deadweight, be conducive to manufacture the jib with longer brachium.In addition, manufacturing in the process of jib, can reduce the workload of welding, shorten working hours.Have again, because conveying pipeline is arranged in the Baltimore groove of i beam, therefore can reduce the moment of torsion producing because of the deadweight of conveying pipeline and the concrete weight held.
Other feature and advantage of the present utility model are described in detail the detailed description of the invention part subsequently.
Brief description of the drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for manual, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the front view according to jib of the present utility model;
Fig. 2 is the sectional view of cutting open along the A-A line in Fig. 1;
Fig. 3 is the top view of the jib shown in Fig. 1;
Fig. 4 is the stereogram of the jib shown in Fig. 1.
Description of reference numerals
1 arm body unit
11 top board 12 base plate 13 webs
16 first accommodation space 17 second accommodation spaces
2 arm head unit
21 horizontal installing plate 22 side plate 221 first pin-and-holes
3 arm tail unit 31 plugboard 311 second pin-and-holes
32 positioning frameworks
6 conveying pipeline 61 bracing frames
7 electric hydraulic pipelines
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.Should be understood that, detailed description of the invention described herein only, for description and interpretation the utility model, is not limited to the utility model.
With reference to figure 1, the utility model provides a kind of jib.This jib comprises the arm body unit 1 of the trunk portion that forms jib, and is separately positioned on arm head unit 2 and the arm tail unit 3 of the both side ends of arm body unit 1.Wherein, arm head unit 2 is for being connected with the arm tail unit of last joint jib, and arm tail unit 3 is for being connected with the arm head unit of a rear joint jib.According to embodiment of the present utility model, arm body unit 1 is configured to structural I-beam.Compared with box beam structure of the prior art, structural I-beam at least can reduce the setting of a web, thus the deadweight of greatly simplifying the structure of jib and alleviating jib.
More specifically, with reference to figure 2, arm body unit 1 comprises the top board 11 and the base plate 12 that arrange at intervals.Between top board 11 and base plate 12, be connected with web 13, this web 13 forms the dividing plate on the vertical direction of i beam.The spatial separation between top board 11 and base plate 12 is become the first accommodation space 16 and the second accommodation space 17 by web 13.Can see, the first accommodation space 16 and the second accommodation space 17 are the Baltimore groove towards lateral opening.
According to embodiment of the present utility model, on jib, be connected with for delivery of concrete carrier pipe 6.By the folding and expansion of jib, can control trend and the position of conveying pipeline 6, thereby concrete conveyance be arrived to the position of specifying.According to embodiment of the present utility model, conveying pipeline 6 is arranged in the first accommodation space 16, with the moment of torsion that reduces to produce on jib because of the deadweight of conveying pipeline 6 and the concrete weight held.In more detail, be provided with support member 61 along the length direction of web 13, in order to support conveying pipeline 6.On bracing frame 61, be connected with pipe clamp, in order to conveying pipeline 6 is removably connected on bracing frame 61.So, be convenient to dismounting and the installation of conveying pipeline 6, thereby be convenient to maintenance and the replacing of conveying pipeline 6.
Continue with reference to figure 2, according to embodiment of the present utility model, the electric hydraulic pipeline 7 of jib is arranged in the second accommodation space 17.The mode arranging can, by be fixedly connected with support member on web 13, then be fixed on electric hydraulic pipeline 7 on support member.By this, not only can save the space of mounting electrical fluid pressure line 7, the load of balance web 13 both sides to a certain extent, thus further reduce the moment of torsion producing because of the deadweight of conveying pipeline 6 and the concrete weight held on jib.In addition, according to embodiment of the present utility model, top board 11 and base plate 12 weld together with web 13 respectively, with the fastness that fully ensures to connect.Especially, because structural I-beam of the present utility model is only used a web 13, therefore compared with prior art, the workload of the welding in manufacture process of the present utility model reduces greatly, can also reduce to a certain extent technological requirement simultaneously.
With reference to figure 1 and Fig. 3, according to embodiment of the present utility model, arm head unit 2 comprises the horizontal installing plate 21 arranging along the cross-sectional direction of arm body unit 1, and two side plates 22 that the length direction along arm body unit 1 extends.More specifically, laterally installing plate 21 is connected on a side end of arm body unit 1 along the cross-sectional direction of arm body unit 1.In order to improve the fastness of connection of horizontal installing plate 21, can expand the connection area of horizontal installing plate 21 and arm body unit 1 as far as possible.For example, all parts on the cross-sectional area of a side surface of cross connecting plate 21 and jib unit 1 can be welded together.Laterally on the opposite side surface of connecting portion 21, connect two side plates 22.This two side plates 22 spaced apart setting in parallel to each other, and extend towards the direction away from arm body unit (1) along the length direction of jib.On two side plates 22, offer the first pin-and-hole 221 of mutual correspondence, for being connected with last joint jib.Said mutual correspondence herein, refers to that the center of circle of the first pin-and-hole 221 on two side plates 22 is positioned on the straight line of same perpendicular to two side plates 22.In addition, on two side plates 22, can also offer other through hole, in order to the miscellaneous part of fixing jib.
Continue with reference to figure 1 and Fig. 3, according to embodiment of the present utility model, arm tail unit 3 comprises plugboard 31.Plugboard 31 is connected in the end side of arm body unit 1 along the length direction of web 13, and extends towards 1 direction away from arm body unit.On plugboard 31, offer the second pin-and-hole 311, for being connected with a rear joint jib.Certainly, on plugboard 31, can also offer other through hole, for the miscellaneous part of fixing jib.
On the other hand, the utility model also provides a kind of concrete mixer.This concrete mixer comprises more piece jib, and every joint jib is above-mentioned jib.
According to embodiment of the present utility model, the arm tail unit 3 of the last joint jib in the more piece jib of concrete mixer is connected rotationally with the arm head unit 2 of a rear joint jib.Particularly, the arm tail unit 3 of last joint jib includes above-mentioned plugboard 31, offers the second pin-and-hole 311 on plugboard 31.The arm head unit 2 of a rear joint jib comprises by above-mentioned horizontal installing plate 21, and is connected to two side plates 22 on horizontal installing plate 21.On two side plates 22, offer respectively the first pin-and-hole 221 of mutual correspondence.In the time connecting two joint jibs, after the plugboard of last joint jib 31 can being inserted into, one saves between two side plates 22 of jib, and use alignment pin to pass in turn the first pin-and-hole 221 on the first pin-and-hole 221 on first side plate 22, the second pin-and-hole 311 and second side plate 22 on plugboard 31, thereby by hinged to last joint jib and a rear joint jib.
In addition, with reference to figure 4, according to embodiment of the present utility model, the arm tail unit 3 of every joint jib also comprises two positioning frameworks 32.Space 32, these two location is separately positioned on the both sides of plugboard 31, in order to two side plates 22 of joint parts after fixing.Particularly, the frame edge shape of two positioning frameworks 32 is according to the edge shape setting of two side plates 22 of a rear joint jib, thereby after making, two side plates 22 of a joint jib can be embedded into respectively in these two positioning frameworks 32.Positioning framework 32 can be fixed holding position on the axis direction of the second pin-and-hole 311, and therefore, in the time that side plate 22 is embedded in positioning framework 32, side plate 22 also can be fixed holding position on the axis direction of the second pin-and-hole 311.By this, when last joint jib and a rear joint jib are when hinged, can prevent that side plate 22 is moved and causes jib to swing along the axis direction of alignment pin.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition each the concrete technical characterictic described in above-mentioned detailed description of the invention, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present utility model, also can be combined, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a jib, this jib comprises arm body unit (1), and is separately positioned on arm head unit (2) and the arm tail unit (3) of the both side ends of described arm body unit (1); It is characterized in that, described arm body unit (1) is configured to structural I-beam.
2. jib according to claim 1, is characterized in that, described arm body unit (1) comprising: the top board (11) and the base plate (12) that arrange at intervals; And web (13), this web (13) is connected between described top board (11) and base plate (12) and by the spatial separation between described top board (11) and base plate (12) and becomes the first accommodation space (16) second accommodation spaces (17);
Wherein, be arranged in described the first accommodation space (16) for delivery of concrete conveying pipeline (6).
3. jib according to claim 2, is characterized in that, described jib also comprises the bracing frame (61) for supporting described conveying pipeline (6);
Wherein, it is upper that support frame as described above (61) is connected to described web (13), and on support frame as described above (61), be connected with the pipe clamp that described conveying pipeline (6) is removably connected to support frame as described above (61).
4. according to the jib described in claim 2 or 3, it is characterized in that, the electric hydraulic pipeline (7) of described jib is arranged in described the second accommodation space (17) and is connected on described web (13).
5. jib according to claim 4, is characterized in that, described top board (11) and base plate (12) weld with described web (13) respectively.
6. jib according to claim 4, is characterized in that, described arm head unit (2) comprising:
Laterally installing plate (21), this horizontal installing plate (21) is connected to a side end of described arm body unit (1) along the cross-sectional direction of described arm body unit (1); And
Two side plates (22), it is upper that these two side plates (22) are connected to described horizontal installing plate (21) at intervals, and extend towards the direction away from described arm body unit (1) along the length direction of described jib; And
On described two side plates (22), offer respectively first pin-and-hole (221) of mutual correspondence.
7. jib according to claim 6, it is characterized in that, described arm tail unit (3) comprises plugboard (31), this plugboard (31) is connected in the end side of described arm body unit (1), and extends towards the direction away from described arm body unit (1) along the length direction of described web (13);
Wherein, on described plugboard (31), offer the second pin-and-hole (311).
8. a concrete mixer, described concrete mixer comprises more piece jib, it is characterized in that, every joint jib is the jib described in any one in claim 2-5;
Wherein, the arm tail unit (3) of last joint jib is connected rotationally with the arm head unit (2) of a rear joint jib.
9. concrete mixer according to claim 8, it is characterized in that, the described arm head unit (2) of the every joint jib in described more piece jib comprises: laterally installing plate (21), and this horizontal installing plate (21) is connected to a side end of described arm body unit (1) along the cross-sectional direction of described arm body unit (1); And two side plates (22), it is upper that these two side plates (22) are connected to described horizontal installing plate (21) at intervals, and extend towards the direction away from described arm body unit (1) along the length direction of described jib; And on described two side plates (22), offer respectively first pin-and-hole (221) of mutual correspondence;
The described arm tail unit (3) of the every joint jib in described more piece jib comprises plugboard (31), this plugboard (31) is connected in the end side of described arm body unit (1), and extends towards the direction away from described arm body unit (1) along the length direction of described web (13); On described plugboard (31), offer the second pin-and-hole (311);
Wherein, after the described plugboard (31) of last joint jib is inserted into, one saves between described two side plates (22) of jib, and described last joint jib and rear saves jib by hinged through the alignment pin of described the first pin-and-hole (221) and the second pin-and-hole (311).
10. concrete mixer according to claim 9, it is characterized in that, the described arm tail unit (3) of the every joint jib in described more piece jib is also included in fixing two positioning frameworks (32) in holding position on the axis direction of described the second pin-and-hole (311), and these two positioning frameworks (32) are separately positioned on the both sides of described plugboard (31);
Wherein, described two positioning frameworks (32) of last joint jib allow described two side plates (22) of a rear joint jib to be embedded into respectively wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601958.7U CN203654762U (en) | 2013-09-27 | 2013-09-27 | Arm support and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601958.7U CN203654762U (en) | 2013-09-27 | 2013-09-27 | Arm support and concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203654762U true CN203654762U (en) | 2014-06-18 |
Family
ID=50921166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320601958.7U Expired - Fee Related CN203654762U (en) | 2013-09-27 | 2013-09-27 | Arm support and concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203654762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179547A1 (en) * | 2020-03-10 | 2021-09-16 | 三一汽车制造有限公司 | Arm support and working device |
-
2013
- 2013-09-27 CN CN201320601958.7U patent/CN203654762U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179547A1 (en) * | 2020-03-10 | 2021-09-16 | 三一汽车制造有限公司 | Arm support and working device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20160927 |