CN201424817Y - Upper frame and chassis connecting device of concrete pump truck and concrete pump truck provided with same - Google Patents
Upper frame and chassis connecting device of concrete pump truck and concrete pump truck provided with same Download PDFInfo
- Publication number
- CN201424817Y CN201424817Y CN 200920150303 CN200920150303U CN201424817Y CN 201424817 Y CN201424817 Y CN 201424817Y CN 200920150303 CN200920150303 CN 200920150303 CN 200920150303 U CN200920150303 U CN 200920150303U CN 201424817 Y CN201424817 Y CN 201424817Y
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- Prior art keywords
- bus
- main longitudinal
- linkage
- getting
- concrete mixer
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- Expired - Fee Related
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 15
- 239000003921 oil Substances 0.000 claims description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000013461 design Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005183 dynamical system Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0436—Devices for both conveying and distributing with distribution hose on a mobile support, e.g. truck
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0445—Devices for both conveying and distributing with distribution hose with booms
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses an upper frame and chassis connecting device of a concrete pump truck, which comprises a revolving base and an auxiliary truck frame. A chamber used for holding hydraulic oil is arranged inside the revolving base, the auxiliary truck frame comprises two main longitudinal beams which are symmetrically arranged under the revolving base, the revolving base is fixedly connected with the two main longitudinal beams, and the ratio of the height and the width of the cross section of each main longitudinal beam is 1.4:1-1.6:1 to increase elastic section modulus thereof, thereby being capable of effectively improving stress state of the auxiliary truck frame. Preferably, the ratio of the height and the width of the cross section of each main longitudinal beam is 2:1. Preferably, the main longitudinal beams utilize Q550 structural steels. Preferably, the upper frame and chassis connecting device further comprises two oblique supports, one end of each of the two oblique supports is fixedly connected with the rear end surface of the revolving base, and the other ends of the two oblique supports are fixedly connected with the upper surfaces of the two main longitudinal beams so as to form a triangular stress structure. On the basis of the upper frame and chassis connecting device, the utility model further provides a concrete pump truck provided with the upper frame and chassis connecting device.
Description
Technical field
The utility model relates to concrete mixer, is specifically related to a kind of concrete mixer and the linkage of getting on or off the bus thereof.
Background technology
Concrete mixer has the conveying of finishing on-site concrete simultaneously and the function of cloth operation, has that pump-conveying property is good, the cloth scope big, characteristics such as walking voluntarily, maneuverability and convenient transfer.Current, concrete mixer has obtained using widely in engineerings such as water conservancy, water power, subway, bridge, large foundation and highrise building.For engineering machinery vehicle, enhancing product performance and reducing production costs is the necessary condition that keeps the product market competition advantage.
Connection skeleton as vehicle, various complicated outside force such as impact before and after the linkage of getting on or off the bus of concrete mixer is carrying, up-down vibration and left and right sides twisting commentaries on classics, its effect is to fix, support each parts, make vehicle become as a whole mutual constraint, and bear the power that each parts transmits, to guarantee the cruising of vehicle.Therefore, comprehensive mechanical properties such as carriage frame integral rigidity, intensity, fatigue durability are had relatively high expectations.
See also Fig. 1 and Fig. 2, wherein, Fig. 1 is the shaft side figure of the linkage of getting on or off the bus of existing concrete pump truck, and Fig. 2 is that the A of Fig. 1 is to view.
Shown in the figure, the linkage of getting on or off the bus of existing concrete pump truck mainly is made of rotary table 20 and 10 two major parts of subframe, fixedlys connected by four bearings 30 between rotary table 20 and the subframe 10, and subframe 10 is the semi girder state in this structure.Because this device is along with the operation of complete machine dynamic load, subframe constantly vibrates with chassis member, thereby makes subframe and elastic deformation easily takes place with rotary table link position place, further, after reaching certain times of fatigue, subframe easily produces plastic strain, until fracture.As everyone knows, maintenance activity will produce the waste of lot of manpower and material resources; In addition, engineering is stopped work and also will be caused inestimable stealthy loss.
In addition, the hollow structure of existing rotary table inside also uses as hydraulic oil container, shown in the figure, all is arranged on the inboard to the hydraulic fluid port of hydraulic system, and so design can be saved assembly space.But, the hydraulic oil oil back chamber is separated fully with oil sucting cavity, both be unfavorable for the hydraulic oil heat radiation, also be unfavorable for Maintenance of Hydraulic System.
In view of this, demand urgently carrying out optimum design of structuresprogram at the linkage of getting on or off the bus of existing concrete pump truck.
The utility model content
At above-mentioned defective, the technical problem that the utility model solves is, provides a kind of linkage of getting on or off the bus that has than the concrete mixer of high structural strength, to avoid producing plastic strain, fatigue damage.On this basis, the utility model also provides a kind of concrete mixer with this linkage of getting on or off the bus.
The linkage of getting on or off the bus of the concrete mixer that the utility model provides comprises rotary table and subframe; Wherein, the inside of described rotary table has the chamber that is used for ccontaining hydraulic oil; Described subframe comprises two main longitudinal griders that are symmetricly set on described rotary table below; Described rotary table is fixedlyed connected with two main longitudinal griders; The depth-width ratio of the cross section of described main longitudinal grider is 1.4: 1～1.6: 1.
Preferably, the depth-width ratio of the cross section of described main longitudinal grider is
Preferably, described main longitudinal grider is selected the Q550 structural iron for use.
Preferably, also comprise two bearing diagonals, an end of two bearing diagonals is fixedlyed connected with the rear end face of described rotary table, and the other end of two bearing diagonals is fixedlyed connected with the upper surface of two main longitudinal griders respectively, to form the triangle force structure.
Preferably, the ratio of the fixed point between described bearing diagonal and the rotary table to the fixed point between the vertical distance of described main longitudinal grider and itself and the main longitudinal grider to the vertical distance between the described rotary table is 1: 1～1: 2.
Preferably, the ratio of the fixed point between described bearing diagonal and the rotary table to the fixed point between the vertical distance of described main longitudinal grider and itself and the main longitudinal grider to the vertical distance between the described rotary table is 1: 1.6.
Preferably, the depth-width ratio of the cross section of described bearing diagonal is 1.4: 1～1.6: 1.
Preferably, the depth-width ratio of the cross section of described bearing diagonal is
Preferably, the chamber of described rotary table inside is divided into top oil back chamber and bottom oil sucting cavity by the middle part diaphragm, and has the passage that is communicated with oil back chamber and oil sucting cavity between the front side inwall of the leading edge of described diaphragm and chamber, the hydraulic system return line is communicated with the top oil back chamber through the rear wall of chamber, and the hydraulic system inlet line is communicated with the bottom oil back chamber through the two side of chamber.
The concrete mixer that the utility model provides comprises and gets on the bus, gets off and the linkage of getting on or off the bus that the described linkage of getting on or off the bus adopts the linkage of getting on or off the bus of foregoing concrete mixer.
The utility model has carried out optimal design for the depth-width ratio of the cross section of main longitudinal grider, compared with prior art, the depth-width ratio of the cross section of main longitudinal grider is 1.4: 1～1.6: 1 in this programme, under the prerequisite that does not increase this device gross weight, the main longitudinal grider of subframe has enough module of anti-bending section, thereby can effectively improve the stress of subframe, further improve safety, the reliability of complete machine operation.In addition, can also reduce this device distortion even fracture and the maintenance cost of generation.
In the preferred version of the linkage of getting on or off the bus described in the utility model, the depth-width ratio of the cross section of described main longitudinal grider is
Simultaneously, the material of main longitudinal grider is selected high-tensile structural steel Q550 for use,, has carried out optimal design for the structure and material of main longitudinal grider that is.Obviously, this programme has further improved the structural strength of subframe.
In another preferred version of the linkage of getting on or off the bus described in the utility model, be provided with a bearing diagonal at every main longitudinal grider, this bearing diagonal is oblique to be placed between the upper surface of rotary table rear end face and main longitudinal grider.Like this, whole device forms a triangle force structure again between subframe, rotary table and the bearing diagonal on the basis that intensity increases, pulling force by bearing diagonal, can make rotary table act on that the arm of force of active force reduces on the subframe, simultaneously, the moment of flexure of its effect also correspondingly be reduced.Calculate through theory, the maximal bending moment that the structure after the optimization can bear is 56% before optimizing, and therefore, the inducement of this device fatigue failure obviously improves, and has improved its application life.
The linkage of getting on or off the bus that the utility model provides goes for various engineering mechanism, is specially adapted to concrete mixer.
Description of drawings
Fig. 1 is the shaft side figure of the linkage of getting on or off the bus of existing concrete pump truck;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the overall structure schematic diagram of concrete mixer described in the utility model;
Fig. 4 is the shaft side figure of the linkage of getting on or off the bus of concrete mixer described in the utility model;
Fig. 5 is the vertical view of the linkage of getting on or off the bus of concrete mixer described in the utility model;
Fig. 6 is the B-B sectional view of Fig. 5;
Fig. 7 is the front view of the linkage of getting on or off the bus of concrete mixer described in the utility model.
Among Fig. 3-Fig. 7:
Get on or off the bus linkage 100, subframe 1, rotary table 2, top oil back chamber 21, bottom oil sucting cavity 22, passage 23, diaphragm 3, return line 4, inlet port 5, main longitudinal grider 6, bearing diagonal 7, Butterworth Hatch 8.
The specific embodiment
The utility model has carried out improving design based on the get on or off the bus form of structure of linkage of existing concrete pump truck, its core is to have carried out the optimization of structure and material at this device, so that a kind of linkage of getting on or off the bus that has than the concrete mixer of high structural strength to be provided, can effectively avoid producing plastic strain, fatigue damage.
Specify present embodiment below in conjunction with Figure of description.
See also Fig. 3, this figure is the overall structure schematic diagram of concrete mixer described in the utility model.
This concrete mixer mainly comprises hopper, pumping system, hydraulic system, electrical system, dynamical system, walking chassis, telescopic outrigger assembly and the linkage of getting on or off the bus.What specify is, inventive point of the present utility model be the to get on or off the bus improvement design of linkage 100, wherein, hopper in the concrete mixer, pumping system, hydraulic system, electrical system, dynamical system, walking chassis, telescopic outrigger assembly are same as the prior art, so, above-mentioned each parts are not done further explanation in the present embodiment.
For the get on or off the bus structure of linkage of detailed description, see also Fig. 4, this figure is the shaft side figure of the linkage of getting on or off the bus of concrete mixer described in the utility model.Need to prove that the rear portion of having omitted subframe among the figure is with clear its anterior details that shows.
As shown in Figure 4, the basic structure of the linkage of getting on or off the bus of concrete mixer is same as the prior art, comprise 1 two major parts of rotary table 2 and subframe, the top of rotary table 2 has the seam that matches with the revolution seat ring of getting on the bus, horizontal rotation with the operation part of realizing getting on the bus, subframe 1 is used for being connected with the walking chassis, the stretching that the carrying complete machine travels, bears in the operation process, reverse, the combined stresses of bending.
See also Fig. 5 and Fig. 6, wherein, Fig. 5 is the vertical view of the linkage of getting on or off the bus of concrete mixer described in the utility model, and Fig. 6 is the B-B sectional view of Fig. 5.
The inside of rotary table 2 has chamber, is used for ccontaining hydraulic oil liquid.In theory, the hydraulic oil liquid that enters hydraulic circuit should have relatively low temperature, and is overheated and cause leakage to wait hydraulic fault to avoid hydraulic system.Because the hydraulic oil liquid that flows back to fuel tank through each hydraulic actuator all has higher temperature, therefore, should solve hydraulic oil liquid by oil back chamber to and oil sucting cavity between the heat dissipation problem of path.In this programme, the chamber of rotary table 2 inside is divided into top oil back chamber 21 and bottom oil sucting cavity 22 by middle part diaphragm 3, hydraulic system return line 4 is communicated with top oil back chamber 21 through the rear wall of chamber, and the hydraulic system inlet line is communicated with bottom oil back chamber 22 through the two side of chamber; Has the passage 23 that is communicated with oil back chamber 21 and oil sucting cavity 22 between the front side inwall of the leading edge of diaphragm 3 and chamber.Like this, hydraulic oil liquid flows to the anterior of chamber and flows downward to bottom oil back chamber 22 through passage 23 after return line 4 enters top oil back chamber 21, enters control loop according to the inlet port 5 of system's needs through the chamber two side at last.Obviously,, guarantee the abundant heat radiation of high temperature hydraulic oil liquid, be beneficial to Maintenance of Hydraulic System because oil return opening is positioned at the rear side of chamber and the front side that passage 23 is positioned at chamber, thereby has improved the flow process of hydraulic oil liquid in chamber to greatest extent.
The position that should be appreciated that passage 23 is to be associated with the position of oil return opening.In fact, guaranteeing based on the design of this programme can also have different arrangements under the prerequisite of position relation between the two, such as, oil return opening places the front side and passage places rear side.
In addition, a plurality of (not shown)s that diaphragm 3 also can be set to from top to bottom set gradually, placing the chamber rear wall with oil return opening is example, by down to down, the setting of the passage between every diaphragm and the chamber is provided with in forward and backward staggered mode, to form the circuitous flow direction of fluid in the chamber from top to bottom, further improve the heat dispersion of chamber.
In this programme, inlet port 5 places on the sidewall of chamber bottom.And above inlet port 5, be provided with Butterworth Hatch 8 so that regular wash chamber inner chamber, guarantee hydraulic system can be safely, operation reliably.Because the hydraulic oil port that is communicated with hydraulic system of this device rotary table all changes into externally by built-in, has improved the maintainability of vehicle hydraulic system under the complete machine greatly.
The material of main longitudinal grider described in this example can be selected welding performance Q345 preferably for use, preferably, adopts the Q550 structural iron, with the further structural strength that improves subframe.
In addition, between main longitudinal grider 6 and rotary table 2, be provided with bearing diagonal, with main longitudinal grider 6 accordingly, the quantity of bearing diagonal 7 is two.Please in the lump referring to Fig. 7, this figure is the front view of the linkage of getting on or off the bus of concrete mixer described in the utility model.
One end of two bearing diagonals 7 is fixedlyed connected with the rear end face of rotary table 2, and the other end of two bearing diagonals 7 is fixedlyed connected with the upper surface of two main longitudinal griders 6 respectively, to form the triangle force structure.Like this, by the pulling force of bearing diagonal 7, can make rotary table 2 act on that the arm of force of active force reduces on the subframe, and then reduce the moment of flexure that is produced greatly.
In like manner, the depth-width ratio of the cross section of bearing diagonal 7 is 1.4: 1～1.6: 1.Preferably, the depth-width ratio of the cross section of bearing diagonal 7 is
As everyone knows, for this triangle force structure, the length of side of its computation model changes directly influences its supporting capacity.So this programme has been made further qualification for this computation model.The ratio of fixed point between bearing diagonal 7 and the rotary table 2 to the fixed point between the vertical distance of main longitudinal grider 6 and itself and the main longitudinal grider 6 to the vertical distance between the rotary table 2 is 1: 1～1: 2.Preferably, the ratio of aforementioned two vertical distances is 1: 1.6.
Adopt welding manner to fixedly connected between bearing diagonal 7 and rotary table 2 and the main longitudinal grider 6.What specify is that does not weld at the junction between the upper surface of the trailing edge of bearing diagonal 7 and main longitudinal grider 6 (C place as shown in Figure 4), to avoid producing the bulk strength that welding stress influences member.
To sum up, the utility model can effectively guarantee the get on and off transmission of power of concrete mixer, again can be as supplying with hydraulic system hydraulic oil storage device.The utility model has carried out optimal design for the structure and the material of main longitudinal grider, and the maximal bending moment that the structure after the optimization can bear has improved its application life for 56% before optimizing.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1, the linkage of getting on or off the bus of concrete mixer comprises:
Rotary table, its inside has the chamber that is used for ccontaining hydraulic oil;
Subframe comprises two main longitudinal griders that are symmetricly set on described rotary table below; Described rotary table is fixedlyed connected with two main longitudinal griders; It is characterized in that the depth-width ratio of the cross section of described main longitudinal grider is 1.4: 1～1.6: 1.
2, the linkage of getting on or off the bus of concrete mixer according to claim 1 is characterized in that, the depth-width ratio of the cross section of described main longitudinal grider is
3, the linkage of getting on or off the bus of concrete mixer according to claim 1 is characterized in that, described main longitudinal grider is selected the Q550 structural iron for use.
4, according to the linkage of getting on or off the bus of each described concrete mixer in the claim 1 to 3, it is characterized in that, also comprise two bearing diagonals, one end of two bearing diagonals is fixedlyed connected with the rear end face of described rotary table, the other end of two bearing diagonals is fixedlyed connected with the upper surface of two main longitudinal griders respectively, to form the triangle force structure.
5, the linkage of getting on or off the bus of concrete mixer according to claim 4, it is characterized in that the ratio of the fixed point between described bearing diagonal and the rotary table to the fixed point between the vertical distance of described main longitudinal grider and itself and the main longitudinal grider to the vertical distance between the described rotary table is 1: 1～1: 2.
6, the linkage of getting on or off the bus of concrete mixer according to claim 5, it is characterized in that the ratio of the fixed point between described bearing diagonal and the rotary table to the fixed point between the vertical distance of described main longitudinal grider and itself and the main longitudinal grider to the vertical distance between the described rotary table is 1: 1.6.
7, the linkage of getting on or off the bus of concrete mixer according to claim 4 is characterized in that, the depth-width ratio of the cross section of described bearing diagonal is 1.4: 1～1.6: 1.
8, the linkage of getting on or off the bus of concrete mixer according to claim 7 is characterized in that, the depth-width ratio of the cross section of described bearing diagonal is
9, the linkage of getting on or off the bus of concrete mixer according to claim 8, it is characterized in that, the chamber of described rotary table inside is divided into top oil back chamber and bottom oil sucting cavity by the middle part diaphragm, and has the passage that is communicated with oil back chamber and oil sucting cavity between the front side inwall of the leading edge of described diaphragm and chamber, the hydraulic system return line is communicated with the top oil back chamber through the rear wall of chamber, and the hydraulic system inlet line is communicated with the bottom oil back chamber through the two side of chamber.
10, concrete mixer comprises and gets on the bus, gets off and the linkage of getting on or off the bus, and it is characterized in that, the described linkage of getting on or off the bus adopts the linkage of getting on or off the bus as each described concrete mixer in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920150303 CN201424817Y (en) | 2009-04-24 | 2009-04-24 | Upper frame and chassis connecting device of concrete pump truck and concrete pump truck provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920150303 CN201424817Y (en) | 2009-04-24 | 2009-04-24 | Upper frame and chassis connecting device of concrete pump truck and concrete pump truck provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201424817Y true CN201424817Y (en) | 2010-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920150303 Expired - Fee Related CN201424817Y (en) | 2009-04-24 | 2009-04-24 | Upper frame and chassis connecting device of concrete pump truck and concrete pump truck provided with same |
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| Country | Link |
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| CN (1) | CN201424817Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072211A (en) * | 2011-01-25 | 2011-05-25 | 徐工集团工程机械股份有限公司建设机械分公司 | Embedded split hydraulic oil tank and concrete pump truck with hydraulic oil tank |
| CN102094531A (en) * | 2010-12-23 | 2011-06-15 | 三一重工股份有限公司 | Construction machine and fixed rotating tower thereof |
| CN102433999A (en) * | 2011-12-23 | 2012-05-02 | 三一重工股份有限公司 | Concrete pump truck and fixed turret thereof |
| CN103192882A (en) * | 2013-04-10 | 2013-07-10 | 徐州徐工施维英机械有限公司 | Framework type frame structure and concrete pump truck |
| CN103318261A (en) * | 2013-06-09 | 2013-09-25 | 三一汽车起重机械有限公司 | Main frame and auxiliary frame connection structure and engineering vehicle |
| CN103538630A (en) * | 2012-07-13 | 2014-01-29 | 曼卡车和巴士股份公司 | Frame supporting structure with a third longitudinal supporting structure |
| WO2015169722A1 (en) * | 2014-05-06 | 2015-11-12 | Putzmeister Engineering Gmbh | Vehicle-mounted concrete pump |
| CN105275210A (en) * | 2014-07-24 | 2016-01-27 | 中联重科股份有限公司 | Pump truck bearing structure and concrete pump truck |
| EP3656947A1 (en) * | 2018-11-26 | 2020-05-27 | Liebherr-Betonpumpen GmbH | Automatic concrete pump |
| CN112849268A (en) * | 2021-03-23 | 2021-05-28 | 徐州徐工施维英机械有限公司 | Frame assembly and concrete pump truck |
| WO2022128326A1 (en) * | 2020-12-17 | 2022-06-23 | Putzmeister Engineering Gmbh | Frame with a boom pedestal for mounting a thick matter distribution boom |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102094531A (en) * | 2010-12-23 | 2011-06-15 | 三一重工股份有限公司 | Construction machine and fixed rotating tower thereof |
| CN102072211A (en) * | 2011-01-25 | 2011-05-25 | 徐工集团工程机械股份有限公司建设机械分公司 | Embedded split hydraulic oil tank and concrete pump truck with hydraulic oil tank |
| CN102433999A (en) * | 2011-12-23 | 2012-05-02 | 三一重工股份有限公司 | Concrete pump truck and fixed turret thereof |
| CN102433999B (en) * | 2011-12-23 | 2014-09-03 | 三一汽车制造有限公司 | Concrete pump truck and fixed turret thereof |
| CN103538630A (en) * | 2012-07-13 | 2014-01-29 | 曼卡车和巴士股份公司 | Frame supporting structure with a third longitudinal supporting structure |
| CN103192882B (en) * | 2013-04-10 | 2016-01-13 | 徐州徐工施维英机械有限公司 | Framework type frame structure and concrete pump truck |
| CN103192882A (en) * | 2013-04-10 | 2013-07-10 | 徐州徐工施维英机械有限公司 | Framework type frame structure and concrete pump truck |
| CN103318261A (en) * | 2013-06-09 | 2013-09-25 | 三一汽车起重机械有限公司 | Main frame and auxiliary frame connection structure and engineering vehicle |
| CN103318261B (en) * | 2013-06-09 | 2015-08-12 | 三一汽车起重机械有限公司 | Major-minor bicycle frame connection structure and engineering truck |
| US10196831B2 (en) | 2014-05-06 | 2019-02-05 | Putzmeister Engineering Gmbh | Vehicle-mounted concrete pump |
| CN106573568A (en) * | 2014-05-06 | 2017-04-19 | 普茨迈斯特工程有限公司 | Vehicle-mounted concrete pump |
| JP2017515022A (en) * | 2014-05-06 | 2017-06-08 | プッツマイスター エンジニアリング ゲーエムベーハー | Concrete pump truck |
| CN106573568B (en) * | 2014-05-06 | 2019-01-15 | 普茨迈斯特工程有限公司 | Truck mounted concrete pump |
| WO2015169722A1 (en) * | 2014-05-06 | 2015-11-12 | Putzmeister Engineering Gmbh | Vehicle-mounted concrete pump |
| CN105275210A (en) * | 2014-07-24 | 2016-01-27 | 中联重科股份有限公司 | Pump truck bearing structure and concrete pump truck |
| CN105275210B (en) * | 2014-07-24 | 2017-07-28 | 中联重科股份有限公司 | Pump truck bearing structure and concrete pump truck |
| EP3656947A1 (en) * | 2018-11-26 | 2020-05-27 | Liebherr-Betonpumpen GmbH | Automatic concrete pump |
| DE102018129799A1 (en) * | 2018-11-26 | 2020-05-28 | Liebherr-Betonpumpen Gmbh | Truck-mounted concrete pump |
| EP3656947B1 (en) | 2018-11-26 | 2023-01-04 | Liebherr-Mischtechnik GmbH | Automatic concrete pump |
| WO2022128326A1 (en) * | 2020-12-17 | 2022-06-23 | Putzmeister Engineering Gmbh | Frame with a boom pedestal for mounting a thick matter distribution boom |
| US12416169B2 (en) | 2020-12-17 | 2025-09-16 | Putzmeister Engineering Gmbh | Frame with a boom pedestal for mounting a thick matter distribution boom |
| CN112849268A (en) * | 2021-03-23 | 2021-05-28 | 徐州徐工施维英机械有限公司 | Frame assembly and concrete pump truck |
| CN112849268B (en) * | 2021-03-23 | 2022-05-06 | 徐州徐工施维英机械有限公司 | Frame assembly and concrete pump truck |
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