CN103615115B - Standby arm support, arm support device and pump truck - Google Patents
Standby arm support, arm support device and pump truck Download PDFInfo
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- CN103615115B CN103615115B CN201310593938.4A CN201310593938A CN103615115B CN 103615115 B CN103615115 B CN 103615115B CN 201310593938 A CN201310593938 A CN 201310593938A CN 103615115 B CN103615115 B CN 103615115B
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- joint
- jib
- subsequent use
- backup arms
- arm
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- 239000004744 fabric Substances 0.000 claims description 44
- 239000000969 carrier Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 10
- 238000005086 pumping Methods 0.000 description 9
- 230000011218 segmentation Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 241000309551 Arthraxon hispidus Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a standby arm support, and the standby arm support (100) comprises: a plurality of spare arm sections (1), wherein the spare arm sections are sequentially hinged end to end; the concrete pipes (2) are correspondingly connected to the spare arm sections respectively, and are detachably connected; and a plurality of arm section support legs (3). The invention also provides a boom device which comprises the standby boom. The invention also provides a pump truck, which is provided with the arm support device. The invention can effectively improve the distribution range of the pump truck arm support in the prior art.
Description
Technical field
The present invention relates to engineering machinery field, particularly, relate to a kind of jib for subsequent use, boom device and pump truck.
Background technology
In engineering construction, in order to by concrete conveyance to the predetermined area, commonly use the engineering mechanical devices such as concrete mixer.Owing to being limited to the tumbling property requirement of structural member intensity and pump truck, the jib length of the pump truck of same model can not change, and therefore the horizontal cloth radius of pump truck and cloth height are certain.
Accompanying drawing 1 is the cloth scope schematic diagram of pumping vehicle arm rack of the prior art.Can see, the horizontal cloth radius of whole jib is 48 meters; First segment arm joint vertically erects, and the cloth radius of other arm horizontal clothes is 38.33 meters; First segment arm joint and second section arm joint vertically erect, and the cloth radius of other arm horizontal clothes is 28.836 meters; First segment arm joint vertically erects to Section of three arm joint, and the cloth radius of other arm horizontal clothes is 18.596 meters; First segment arm joint vertically erects to Section of four arm joint, and the cloth radius of other arm horizontal clothes is 10.426 meters; And when jib vertically erects maximum height, minor details arm horizontal cloth, cloth radius is 3.47 meters.Can see, when operation height is very high, the cloth radius of jib can be subject to very large restriction.
Therefore, in work progress, often occur that site operation scope exceedes the maximum cloth radius of this model pump truck, the cloth scope of pump truck does not reach the situation of construction requirement.When there is this situation, often only have and draw jib and supporting leg in, met the scope of construction cloth by the position re-moving pump truck.And if construction plant limited cannot mobile pump vehicle time, just can only use instead there is more long-armed frame pump truck to improve cloth scope.These two kinds of modes waste time and energy, and efficiency is very low, and cost is very high.Further, the longer requirement to construction plant of total length of jib is higher, and exploitation has the pump truck of the jib of length, and its technical difficulty is also quite high.
Summary of the invention
The object of this invention is to provide a kind of jib for subsequent use, boom device and pump truck, thus effectively improve the cloth scope of pumping vehicle arm rack of the prior art.
To achieve these goals, the invention provides a kind of jib for subsequent use, this jib for subsequent use comprises: more piece backup arms saves, and each joint backup arms joint head and the tail are hinged in turn; More piece concrete pipe, each joint concrete pipe is connected to each joint backup arms joint respectively accordingly, and removably connects between each joint concrete pipe; And multiple arm joint supporting leg.
Preferably, the two ends of each joint backup arms joint are respectively arranged with flanged plate and offer the hinged seat of fraising, by being hinged through the bearing pin of fraising between two adjacent joint backup arms joints; Wherein, flanged plate offers many groups locating hole that hinged seat can be made to arrange along different directions.
Preferably, the hinged seat often saving the two ends of backup arms joint is arranged along different directions.
Preferably, be connected by elbow between each joint concrete pipe; Wherein, each elbow is provided with clip bearing, each joint backup arms joint is provided with support carriers, between clip bearing and support carriers, is removably connected with bracing frame.
Preferably, each joint backup arms joint, each joint concrete pipe, each arm joint supporting leg, each elbow and each bracing frame are all set to universal standard part.
Preferably, arm joint supporting leg comprises can along supporting the leg section that flexibly stretch of direction, and be hinged on the universal wheel of bottom of leg section; Wherein, universal wheel is provided with off-the-highway tire.
Preferably, the piston rod that leg section comprises cylinder barrel and stretches along cylinder barrel, wherein, is provided with the elastic component that piston rod is flexibly stretched relative to cylinder barrel in cylinder barrel.
Preferably, each backup arms joint is box-structure and/or trussed construction.
On the other hand, the present invention also provides a kind of boom device, and comprise head and the tail single oil cylinder hinged in turn and save and be connected to the cloth tube of single oil cylinder joint, wherein, this boom device also comprises above-mentioned jib for subsequent use; Wherein, the backup arms joint of jib for subsequent use and one end of concrete pipe removably can be connected to the end of minor details arm joint and the end of cloth tube of boom device respectively.
Again on the one hand, the present invention also provides a kind of pump truck, and this pump truck is provided with above-mentioned boom device.
By technique scheme, the invention provides a kind of jib for subsequent use.This jib for subsequent use has more piece backup arms joint and more piece concrete pipe, can be connected to any type of pumping vehicle arm rack of the prior art, thus effectively improve the cloth scope of pumping vehicle arm rack of the prior art.This jib for subsequent use also has multiple arm joint supporting leg, therefore provides support without the need to pump truck oil cylinder, and can not form heavy burden to existing pumping vehicle arm rack.In addition, jib for subsequent use provided by the invention without the need to any power set, only by manual operation.Jib for subsequent use provided by the invention has very strong versatility, not by the restriction that existing pump truck structural strength and tumbling property of car load require, can mate with existing any type of pumping vehicle arm rack.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for manual, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the cloth scope schematic diagram of pumping vehicle arm rack of the prior art;
Fig. 2 is the structural representation according to jib for subsequent use of the present invention;
Fig. 3 is the structural representation that backup arms according to the present invention saves;
Fig. 4 is the partial enlarged drawing of I shown in Fig. 3;
Fig. 5 is the set-up mode schematic diagram of the hinged seat according to one embodiment of the present invention;
Fig. 6 is the set-up mode schematic diagram of the hinged seat according to another embodiment of the invention;
Fig. 7 is the schematic diagram of the syndeton of display backup arms joint and elbow, bracing frame shown in figure;
Fig. 8 is the structural representation of jib supporting leg.
Description of reference numerals
100 jibs for subsequent use
1 backup arms saves 11 flanged plate 111 locating holes
12 hinged seats
2 concrete pipes
3 arm joint supporting legs
31 leg section 311 cylinder barrel 312 piston rods
313 elastic components
32 universal wheel 321 off-the-highway tire 33 leg brackets
4 bearing pin 5 elbows
61 clip bearing 62 support carriers
63 bracing frame 631 joint 632 stay pipes
7 extensions
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
With reference to figure 2, the invention provides a kind of jib for subsequent use 100, in order to expand the cloth scope of pumping vehicle arm rack device.This jib 100 for subsequent use comprises more piece backup arms joint 1, and these backup arms joint head and the tail are hinged in turn.According to embodiments of the invention, backup arms joint 1 can adopt box-structure, to improve the intensity of backup arms joint 1.Backup arms joint 1 can also adopt trussed construction, to reduce deadweight and to reduce windage.Be appreciated that also can adopt according to actual needs and a part of backup arms joint 1 is set to box-structure, a part of backup arms joint 1 is set to trussed construction.Pin joint between backup arms joint 1 can be opened, and therefore can determine the joint number of backup arms joint 1 according to actual needs.
In more detail, according to embodiments of the invention, jib 100 for subsequent use also comprises the more piece concrete pipe 2 for cloth, and each joint concrete pipe 2 can be connected to each joint backup arms joint 1 accordingly.The length of concrete pipe 2 can approximate greatly the length of backup arms joint 1.At the position that two joint backup arms joints 1 are connected, two joint concrete pipes 2 removably can be connected.Like this, when being fixed on by each joint concrete pipe 2 on backup arms joint 1, backup arms joint 1 just forms the braced structures of concrete pipe 2.Concrete pipe 2 can form predetermined cloth radius under backup arms saves the support of 1.
Further, according to embodiments of the invention, jib 100 for subsequent use also comprises multiple arm joint supporting leg 3.Each arm joint supporting leg 3 is connected on each joint backup arms joint 1 by leg brackets 33.Each arm joint supporting leg 3 can distribute with the length direction of uniform spacing along jib 100 for subsequent use.Under job state, backup arms joint 1 and concrete pipe 2 can be supported on supporting object (floor of such as Hot work in progress) by each arm joint supporting leg 3.Like this, jib 100 for subsequent use just without the need to using oil cylinder or other bracing or strutting arrangements of pump truck, and also can not cause heavy burden to boom device when this jib 100 for subsequent use is connected to the boom device of pump truck.Because backup arms joint 1 and arm save the supporting role of supporting leg 3, make it possible to avoid concrete pipe 2 that disadvantageous shake and random swing occur in cloth process, thus improve the safety in cloth operation process.
With reference to figure 3 to Fig. 6, show the articulated structure between backup arms joint 1.According to embodiments of the invention, the two ends of each joint backup arms joint 1 are respectively arranged with flanged plate 11 and the hinged seat 12 be connected on flanged plate 11.Wherein, flanged plate 11 offers multiple locating hole 111, in order to the seat 12 that is fixedly hinged.Hinged seat 12 offers the fraising allowing bearing pin 4 to pass, bearing pin 4 is simultaneously hinged through this two joints backup arms being saved 1 after the fraising of adjacent two joint backup arms joints 1.Be appreciated that and the pin joint of this two joints arm joint can be opened after extracting bearing pin 4.This hinged connected mode makes can relatively rotate between backup arms joint 1, thus makes whole jib for subsequent use 100 have certain degree of flexibility, to adapt to several work environment.
According to embodiments of the invention, multiple locating holes 111 that flanged plate 11 is offered are arranged in groups.Often organize locating hole 111 and hinged seat 12 can be fixed on a direction.In other words, hinged seat 12 can be fixed on different directions by many group locating holes 111.Like this, different locating holes 111 can be used according to actual needs to be fixedly hinged seat 12, relatively rotate along predetermined direction to make two adjacent joint backup arms joints 1.In the embodiment shown in Fig. 5, hinged seat 12 is vertically fixed on flanged plate 11, can vertically relatively rotate between two therefore adjacent joint backup arms joints 1.This hinge angle and arm save supporting leg 3 and match, and effectively can reduce the shake of the concrete pipe 2 in cloth operation process, and jib 100 for subsequent use can be made to adapt to stayed surface to be uneven whole operating mode.In the embodiment shown in fig. 6, hinged seat 12 is fixed on flanged plate 11 in the horizontal direction, can relatively rotate in the horizontal direction between two therefore adjacent joint backup arms joints 1.This hinge angle can make jib 100 for subsequent use moving left and right in the horizontal direction become more flexible, thus is conducive to improving cloth scope.Should be appreciated that, hinged seat 12 also can be fixed on flanged plate 11 with other angle of inclination, thus two adjacent joint backup arms joints 1 are relatively rotated along other directions.Certainly, the angle of inclination of two hinged seats 12 on two joint backup arms joints 1 should be mutually corresponding.
Further, according to embodiments of the invention, save for 1 for often saving backup arms, the hinged seat 12 that its two ends connect can be arranged along different directions.Like this, save 1 adjacent last joint backup arms to save 1 and rear one and save backup arms from this joint backup arms and save 1 and can save 1 relative to this joint backup arms and relatively rotate along different directions.Such as, the articulated manner shown in articulated manner shown in Fig. 5 and Fig. 6 is arranged at intervals.By this, mobile range and the flexibility of whole jib for subsequent use 100 can be improved.
With reference to figure 4 to Fig. 7, according to embodiments of the invention, realize removably connecting by elbow 5 between each joint concrete pipe 2.In more detail, each elbow 5 is provided with clip bearing 61, each joint backup arms joint 1 is provided with support carriers 62, connects bracing frame 63 between clip bearing 61 and support carriers 62, thus elbow 5 is connected with backup arms joint 1.That is, by clip bearing 61, support carriers 62 and bracing frame 63, concrete pipe 2 can be connected on backup arms joint 1.
Further, according to embodiments of the invention, bracing frame 63 is removably connected to clip bearing 61 and support carriers 62.Specifically, bracing frame 63 comprises stay pipe 632 and is connected to two joints 631 at stay pipe 632 two ends.The connected mode of stay pipe 632 and joint 631 has multiple, and such as but not limited to being threaded, snap fit deck connects, bolt connects etc.The other end of joint 631 is removably connected to clip bearing 61 or support carriers 62, connected mode such as but not limited to being threaded, snap fit deck connects, bolt connects etc.
In addition, according to embodiments of the invention, above-mentioned each joint backup arms joint 1, each joint concrete pipe 2, each arm joint supporting leg 3, each elbow 5 and each bracing frame 63 are all set to universal standard part.By this, dismounting and the maintain and replace of jib 100 for subsequent use can be facilitated.
With reference to figure 2, Fig. 3 and Fig. 8, show the structure of arm joint supporting leg 3.According to embodiments of the invention, arm joint supporting leg 3 comprises the leg section 31 being hinged to leg brackets 33, and is hinged on the universal wheel 32 of bottom of leg section 31.Universal wheel 32 is provided with off-the-highway tire 321, the rolling characteristics of universal wheel 32 can be improved, make the mobile operation of jib 100 for subsequent use more laborsaving, and the stability of strutting system of universal wheel 32 can be improved.
In addition, leg section 31 flexibly can be stretched along support direction, to improve the support performance of arm joint supporting leg 3, improves the stability of strutting system of jib 100 in the vertical direction for subsequent use.More specifically, according to embodiments of the invention, the piston rod 312 that leg section 31 comprises cylinder barrel 311 and stretches along cylinder barrel 311.Wherein, arrange elastic component 313 in cylinder barrel 311, this elastic component 313 is squeezed between the top of cylinder barrel 311 and piston rod 312, thus piston rod 312 can be made flexibly to stretch relative to cylinder barrel 311.In addition, cylinder barrel 311 and piston rod 312 can also be arranged to can relatively rotate along axis, thus improve the flexibility of arm joint supporting leg 3 further.
According to above-mentioned, jib 100 for subsequent use provided by the invention is assemble by multiple universal standard part the independently fabric construction formed, and can mate, and do not need to transform existing boom device with the boom device of any type of pump truck.In addition, above-mentioned jib for subsequent use 100, without the need to power set, only by manual operation, makes its scope of application wider.
On the other hand, the present invention also provides a kind of boom device.This boom device comprises head and the tail single oil cylinder joint hinged in turn and is connected to the cloth tube of single oil cylinder joint.According to embodiments of the invention, this boom device also comprises above-mentioned jib for subsequent use 100, in order to the cloth scope of extensible arm rack device.The cloth radius that all arm joints due to boom device all launch rear minor details arm joint is minimum, and the cloth radius therefore extending minor details arm joint can significantly improve the cloth scope of boom device.
More specifically, the upper cloth tube connected of minor details arm joint of boom device is the end section of whole cloth tube.This end section generally includes hard tube segmentation and is removably connected to the flexible pipe segmentation of this hard tube segmentation.Further, in order to improve the flexibility of cloth operation, flexible pipe subsection setup is at the least significant end of cloth tube.Jib for subsequent use provided by the present invention can be connected to the end of minor details arm joint and cloth tube by different connected modes.Such as, according to a kind of embodiment, directly one end of the backup arms of jib 100 for subsequent use joint 1 can be connected to minor details arm joint, corresponding one end of concrete pipe 2 be connected to the end of flexible pipe segmentation.In this embodiment, extension 7 as shown in Figure 2 can be set at the other end of concrete pipe 2, to improve cloth radius further and to improve the flexibility of cloth operation.According to another kind of embodiment, the connecting portion of hard tube segmentation and flexible pipe segmentation can be opened, one end of concrete pipe 2 is connected to the end of hard tube segmentation.In this embodiment, extension 7 can not be set, but by the flexible pipe connection segment that the disassembles other end at concrete pipe 2, to improve cloth radius further and to improve the flexibility of cloth operation.In a word, because the versatility of jib for subsequent use provided by the invention is very strong, therefore can in many ways with multiple pumping vehicle arm rack of the prior art with the use of.
Again on the one hand, the present invention also provides a kind of pump truck, and this pump truck is provided with above-mentioned boom device.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a jib for subsequent use, is characterized in that, described jib for subsequent use (100) comprising: more piece backup arms joint (1), and each joint described backup arms joint (1) head and the tail are hinged in turn; More piece concrete pipe (2), the described concrete pipe (2) of each joint is connected to described backup arms joint (1) of each joint respectively accordingly, and removably connects between the described concrete pipe (2) of each joint; And multiple arm joint supporting leg (3), described arm joint supporting leg (3) is connected in described backup arms joint (1) by leg brackets (33).
2. jib for subsequent use according to claim 1, it is characterized in that, the two ends of described backup arms joint (1) of each joint are respectively arranged with flanged plate (11) and offer the hinged seat (12) of fraising, are hinged between adjacent described backup arms joint (1) of two joints by the bearing pin (4) through described fraising;
Wherein, described flanged plate (11) offers many groups locating hole (111) that described hinged seat (12) can be made to arrange along different directions.
3. jib for subsequent use according to claim 2, is characterized in that, the described hinged seat (12) often saving the two ends of described backup arms joint (1) is arranged along different directions.
4. jib for subsequent use according to claim 2, is characterized in that, is connected between the described concrete pipe (2) of each joint by elbow (5);
Wherein, elbow described in each (5) is provided with clip bearing (61), described backup arms joint (1) of each joint is provided with support carriers (62), between described clip bearing (61) and described support carriers (62), is removably connected with bracing frame (63).
5. jib for subsequent use according to claim 4, it is characterized in that, described backup arms joint (1) of each joint, the described concrete pipe (2) of each joint, arm joint supporting leg (3), elbow (5) described in each and each support frame as described above (63) described in each are all set to universal standard part.
6. jib for subsequent use according to claim 1, it is characterized in that, described arm joint supporting leg (3) comprises can along the leg section (31) supporting direction and flexibly stretch, and is hinged on the universal wheel (32) of bottom of described leg section (31);
Wherein, described universal wheel (32) is provided with off-the-highway tire (321).
7. jib for subsequent use according to claim 6, it is characterized in that, the piston rod (312) that described leg section (31) comprises cylinder barrel (311) and stretches along described cylinder barrel (311), wherein, the elastic component (313) making described piston rod (312) flexibly flexible relative to described cylinder barrel (311) is provided with in described cylinder barrel (311).
8. according to the jib for subsequent use in claim 1-7 described in any one, it is characterized in that, described in each, backup arms joint (1) is box-structure and/or trussed construction.
9. a boom device, comprise head and the tail single oil cylinder hinged in turn and save and be connected to the cloth tube of described single oil cylinder joint, it is characterized in that, described boom device also comprises the jib for subsequent use (100) in claim 1-8 described in any one;
Wherein, described backup arms joint (1) of described jib for subsequent use (100) and one end of concrete pipe (2) removably can be connected to the end of minor details arm joint and the end of described cloth tube of described boom device respectively.
10. a pump truck, is characterized in that, described pump truck is provided with boom device according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310593938.4A CN103615115B (en) | 2013-11-21 | 2013-11-21 | Standby arm support, arm support device and pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310593938.4A CN103615115B (en) | 2013-11-21 | 2013-11-21 | Standby arm support, arm support device and pump truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103615115A CN103615115A (en) | 2014-03-05 |
| CN103615115B true CN103615115B (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310593938.4A Active CN103615115B (en) | 2013-11-21 | 2013-11-21 | Standby arm support, arm support device and pump truck |
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| CN (1) | CN103615115B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437158A (en) * | 2016-07-08 | 2017-02-22 | 上海建工七建集团有限公司 | Material spreader supporting device and method |
| CN108086686A (en) * | 2017-11-24 | 2018-05-29 | 上海建工集团股份有限公司 | Single oil cylinder all standing distribution device and its construction method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3048187A1 (en) * | 1980-01-30 | 1981-09-10 | Johann Wolf GmbH KG, 4644 Scharnstein, Oberösterreich | DEVICE FOR PUTING LIQUID CONCRETE INTO ROUND SHUTTERS |
| JPH04161661A (en) * | 1990-10-25 | 1992-06-05 | Kyokuto Kaihatsu Kogyo Co Ltd | Pump pressure changeover control device for boom-fitted concrete pump vehicle |
| SE506784C2 (en) * | 1990-07-27 | 1998-02-09 | Laite Saraka Oy | Detachable stand in connection with concrete conveyor mixer |
| CN1849433A (en) * | 2003-09-09 | 2006-10-18 | 粉刷师股份公司 | Distributor device for unset concrete |
| EP1873328A2 (en) * | 2006-06-28 | 2008-01-02 | Cifa S.p.A. | Test bed for distributing arms for distributing concrete and test method for testing such distributing arms |
| CN102704686A (en) * | 2012-05-30 | 2012-10-03 | 中联重科股份有限公司 | Arm section and arm support for concrete pump truck and concrete pump truck |
| CN102733610A (en) * | 2012-07-02 | 2012-10-17 | 中联重科股份有限公司 | Arm section, arm support and concrete distribution equipment |
-
2013
- 2013-11-21 CN CN201310593938.4A patent/CN103615115B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3048187A1 (en) * | 1980-01-30 | 1981-09-10 | Johann Wolf GmbH KG, 4644 Scharnstein, Oberösterreich | DEVICE FOR PUTING LIQUID CONCRETE INTO ROUND SHUTTERS |
| SE506784C2 (en) * | 1990-07-27 | 1998-02-09 | Laite Saraka Oy | Detachable stand in connection with concrete conveyor mixer |
| JPH04161661A (en) * | 1990-10-25 | 1992-06-05 | Kyokuto Kaihatsu Kogyo Co Ltd | Pump pressure changeover control device for boom-fitted concrete pump vehicle |
| CN1849433A (en) * | 2003-09-09 | 2006-10-18 | 粉刷师股份公司 | Distributor device for unset concrete |
| EP1873328A2 (en) * | 2006-06-28 | 2008-01-02 | Cifa S.p.A. | Test bed for distributing arms for distributing concrete and test method for testing such distributing arms |
| CN102704686A (en) * | 2012-05-30 | 2012-10-03 | 中联重科股份有限公司 | Arm section and arm support for concrete pump truck and concrete pump truck |
| CN102733610A (en) * | 2012-07-02 | 2012-10-17 | 中联重科股份有限公司 | Arm section, arm support and concrete distribution equipment |
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| CN103615115A (en) | 2014-03-05 |
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