CN102535855A - Rotatable cantilever crane and concrete pump truck - Google Patents
Rotatable cantilever crane and concrete pump truck Download PDFInfo
- Publication number
- CN102535855A CN102535855A CN2012100361439A CN201210036143A CN102535855A CN 102535855 A CN102535855 A CN 102535855A CN 2012100361439 A CN2012100361439 A CN 2012100361439A CN 201210036143 A CN201210036143 A CN 201210036143A CN 102535855 A CN102535855 A CN 102535855A
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- CN
- China
- Prior art keywords
- arm joint
- section arm
- junction plate
- cantilever
- jib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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
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- 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 invention provides a rotatable cantilever crane, which comprises more than one cantilever section. At least one cantilever section comprises a first cantilever section and a second cantilever section, each first cantilever section is connected with the corresponding second cantilever section via a rotating mechanism, and each second cantilever section can rotate around a rotating axis of the corresponding rotating mechanism relative to the corresponding first cantilever section under effects of the rotating mechanism. The invention further provides a concrete pump truck comprising the rotatable cantilever crane. In the technical scheme, each rotating mechanism is additionally arranged between the corresponding cantilever sections, and the cantilever crane is folded and unfolded and rotates more flexibly. Furthermore, each rotating mechanism is additionally arranged between the corresponding cantilever sections, so that the cantilever sections can drive conveying pipes to peripherally rotate together under the effects of the rotating mechanisms, unfolding and rotating flexibility of the cantilever crane is improved, the range of distribution operation of the cantilever crane is expanded, and the amount of distribution dead corners is reduced.
Description
Technical field
The present invention relates to the jib technical field, more specifically, relate to a kind of circumferential rotatable jib, and the concrete mixer that has this rotatable jib.
Background technology
The concrete pump truck arm system, mainly by single oil cylinder joint, connecting rod, oil cylinder, connector etc., the hinged collapsible and quadric chain that launches that forms is formed.During the operation of pump truck cloth, jib launches under the acting in conjunction of turntable, oil cylinder and connecting rod, draws in and rotates, and drives the carrier pipe that is fixed on the jib transmission and concrete transmission is arrived appointed positions.
But there is following shortcoming in this existing jib structure:
1) jib launches and the rotation underaction, and in the course of the work, and when turntable is fixing when not rotating, jib only can launch in a perpendicular and draw in;
2) the rotatable space angle of jib is limited, and field condition is complicated; Need go deep into door and window etc. special local time like carrier pipe, can not arrive, will have the cloth dead angle.
To the limitation of above prior art, need to solve following problem:
Flexibility when 1) improving the jib expansion with rotation;
2) increase the space angle that jib rotates, reduce the cloth dead angle.
Summary of the invention
Launch with technical problems such as the space angle of rotation underaction, rotation are limited or one of at least, the invention provides a kind of jib that rotates in a circumferential direction in order to solve jib in the above-mentioned prior art, solved the technical problem of prior art well.
The invention provides a kind of rotatable jib; Comprise the arm joint that a joint is above; It is characterized in that; The said arm joint of at least one joint comprises first section arm joint and second section arm joint, and said first section arm joint is connected through slew gear with said second section arm joint, and said second section arm joint can be around the rotation of the said relatively first section arm joint of the axis of rotation of said slew gear under the effect of said slew gear.
In technique scheme; Preferably, said slew gear comprises: drive unit supports with revolution, and said first section arm joint and said second section arm joint are fixedly mounted on the both sides that said revolution is supported respectively; Said drive unit is installed on the said arm joint, and drives said revolution support.
In technique scheme, preferably, said revolution is supported and is comprised that outer ring, inner ring and roller, said roller are provided with between said outer ring and the said inner ring;
Said outer ring is fixedly connected with said second section arm joint, and said inner ring is fixedly connected with said first section arm joint.
In technique scheme; Preferably; Said revolution is supported and is also comprised first junction plate and second junction plate, and said outer ring is fixedly connected with said second junction plate, and said second junction plate is fixed on the end face of said second section arm joint; Said inner ring is fixedly connected with said first junction plate, and said first junction plate is fixed on the end face of said first section arm joint.
In technique scheme; Preferably; Said outer ring is connected through bolt with said second junction plate; Said second junction plate is welded on the end face of said second section arm joint, and said inner ring is connected through bolt with said first junction plate, and said first junction plate is welded on the end face of said first section arm joint.
In technique scheme, preferably, the center of said first junction plate, second junction plate and said inner ring all has through hole.
In technique scheme; Preferably; Said rotatable jib also comprises the carrier pipe that is installed on the said arm joint, and said carrier pipe passes said through hole at said rotating mechanism place, and said carrier pipe is connected through pipe clamp at said rotational structure place; The said carrier pipe of said pipe clamp one side can be around the axis of said pipe clamp, with respect to the said carrier pipe rotation of said pipe clamp opposite side.
In technique scheme; Preferably, said drive unit comprises motor and gear, and said motor is installed on said first section arm joint or the said second section arm joint through installing plate; The output shaft of said motor is connected with gear, and said gear is meshed with said outer ring.
In technique scheme, preferably, between said drive unit and said revolution support, also be provided with deceleration device.
The above-mentioned rotatable jib according to the present invention because of having increased slew gear at the arm internode, moves jib under turntable, oil cylinder, connecting rod, slew gear driven in common, cloth is more flexible; Be that the present invention increases slew gear in the arm internode; Make the energy-conservation carrier pipe that enough drives of part arm; Under the effect of slew gear, can rotate in a circumferential direction together; The acting in conjunction of turntable, connecting rod and slew gear improves jib and launches the flexibility with rotation, increase jib the cloth job area, reduce the cloth dead angle.
The present invention also provides a kind of concrete mixer; The described rotatable jib of above-mentioned arbitrary technical scheme is used on the concrete mixer jib as concrete mixer; Obtain concrete mixer of the present invention, have whole beneficial effects of above-mentioned rotatable jib, repeat no more.
Description of drawings
Fig. 1 is according to the sketch map of rotatable jib one embodiment according to the invention under the jib folded state;
Fig. 2 is according to the sketch map of another embodiment of rotatable jib according to the invention under the jib deployed condition;
Fig. 3 is the schematic top plan view of jib shown in Figure 2;
Fig. 4 is the cross-sectional schematic of slew gear one embodiment described in the present invention;
Fig. 5 is the A-A sectional view among Fig. 4;
Fig. 6 is the cross-sectional schematic of another embodiment of slew gear described in the present invention.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1 to Fig. 6:
1 arm joint
11 first sections arms save 12 second sections arms and save 13 installing plates
2 slew gears
21 drive units, 211 motors, 212 gears
22 revolutions are supported
221 outer rings, 222 inner rings, 223 rollers
224 first junction plates, 225 second junction plates, 226 axiss of rotation
3 carrier pipes, 31 pipe clamps
The specific embodiment
Below in conjunction with description of drawings according to the specific embodiment of the present invention.
Set forth a lot of details in the following description so that make much of the present invention, still, the present invention can also adopt other to be different from other modes described here and implement, and therefore, the present invention is not limited to the restriction of following disclosed specific embodiment.
Fig. 1 is according to the sketch map of rotatable jib one embodiment according to the invention under the jib folded state.
As shown in Figure 1; According to rotatable jib one embodiment of the present invention; Comprise the arm joint 1 that a joint is above, wherein, the said arm joint 1 of at least one joint comprises 11 and second sections arm joints 12 of first section arm joint; Said first section arm joint 11 and said second section arm joint 12 are connected through slew gear 2, and said second section arm joint 12 can rotate around the said relatively first section arm joint 11 of the axis of rotation 226 (seeing Fig. 4 and shown in Figure 6) of said slew gear under the effect of said slew gear 2.
The rotatable jib that present embodiment is above-mentioned because of having increased slew gear at the arm internode, make folding, the expansion of jib and spinning movement more flexible, thereby cloth is more flexible; Secondly; The present invention increases slew gear in the arm internode; Make the energy-conservation carrier pipe that enough drives of part arm, the arm of relative its front joint rotates in a circumferential direction together under the effect of slew gear, improves jib and launches and the flexibility of rotating; Increase jib the cloth job area, reduce the cloth dead angle, solved the technical problem of jib in the prior art.
Fig. 2 and Fig. 3 are according to the sketch map of another embodiment of rotatable jib according to the invention under the jib deployed condition; Wherein, Fig. 3 is the schematic top plan view of jib shown in Figure 2.
As shown in Figures 2 and 3; According to another embodiment of rotatable jib of the present invention; Comprise the arm joint 1 that a joint is above, wherein, the said arm joint 1 of at least one joint comprises 11 and second sections arm joints 12 of first section arm joint; Said first section arm joint 11 and said second section arm joint 12 are connected through slew gear 2, and said second section arm joint 12 can rotate around the said relatively first section arm joint 11 of the axis of rotation 226 (seeing Fig. 4 and shown in Figure 6) of said slew gear under the effect of said slew gear 2.
Present embodiment is the same with the foregoing description; Add slew gear at least one joint arm internode; Make the arm joint after the slew gear to have whole beneficial effects of a last embodiment, realized goal of the invention of the present invention at present for the rotation of the joint of the arm before the slew gear.
Fig. 4 and Fig. 5 are the cross-sectional schematic of slew gear one embodiment described in the present invention; Wherein, Fig. 5 is the A-A sectional view among Fig. 4.
Of Fig. 4 and Fig. 5; In the above-described embodiments; Preferably, said slew gear 2 comprises: drive unit 21 supports 22 with revolution, and said first section arm joint 11 is fixedly mounted on said revolution respectively with said second section arm joint 12 and supports 22 both sides; Said drive unit 21 is installed on the said arm joint 1, and drives said revolution support 22.The slew gear of this structure, when realizing the rotation of arm joint, simple in structure, in light weight, easy for installation.
In the above-described embodiments, preferably, said revolution is supported 22 and is comprised outer ring 221, inner ring 222 and roller 223, and said roller 223 is provided with between said outer ring 221 and the said inner ring 221; Said outer ring 221 is fixedly connected with said second section arm joint 12, and said inner ring 222 is fixedly connected with said first section arm joint 11.Adopt the structure of said outer ring, inner ring and roller, mechanism is simple, rotation is flexible, and can bear the cantilever force after jib launches; And with the convenient fixing of arm joint, firmly, and be convenient to the layout of carrier pipe.
Certainly, as replacement scheme, said outer ring 221 also can be fixedly connected with said first section arm joint 11, and said inner ring 222 can be fixedly connected with said second section arm joint 12.Can realize the relative rotation of first section arm joint and second section arm internode equally, and have rotation flexibly, can bear after jib launches cantilever force and with the convenient fixing of arm joint, firm, the advantages such as layout of being convenient to carrier pipe
In the above-described embodiments, preferably, said revolution is supported 22 and is also comprised first junction plate 224 and second junction plate 225, and said outer ring 221 is fixedly connected with said second junction plate 225, and said second junction plate 225 is fixed on the end face of said second section arm joint 12; Said inner ring 222 is fixedly connected with said first junction plate 224, and said first junction plate 224 is fixed on the end face of said first section arm joint 11.Adopt first junction plate and second junction plate, can realize easily that first section arm joint and second section arm save and turn round being fixedly connected of support.
In the above-described embodiments, preferably, said outer ring 221 is connected through bolt with said second junction plate 225, and said second junction plate 225 is welded on the end face of said second section arm joint 12; Said inner ring 222 is connected through bolt with said first junction plate 224, and said first junction plate 224 also is welded on the end face of said first section arm joint 11.Adopt bolt to connect the fixed connection mode that adds welding, cost is low, be easy to realize, and is easy to remove and repair.
In the above-described embodiments, preferably, the center of said first junction plate 224, second junction plate 225 and said inner ring 222 all has through hole.Can be convenient to the stringing of carrier pipe.
In the above-described embodiments; Preferably; Said rotatable jib also comprises the carrier pipe 3 that is installed on the said arm joint 1, and said carrier pipe 3 passes said through hole at said slew gear 2 places, and said carrier pipe 3 is connected through pipe clamp 31 at said revolving structure 2 places; The said carrier pipe 3 of said pipe clamp 31 1 sides can be around the axis of said pipe clamp, said carrier pipe 3 rotations of said relatively pipe clamp 31 opposite sides.The arm joint is as the support of carrier pipe, and said carrier pipe pumped (conveying) medium, the different operation purpose of realization adopt pipe clamp to realize rotating in a circumferential direction of carrier pipe, are a kind of optimal ways of realizing the carrier pipe rotation, and the saving space also can be protected carrier pipe.
In the above-described embodiments; Preferably, said drive unit 21 comprises motor 211 and gear 212, and said motor 211 is installed on said first section arm joint 11 through installing plate 13; The output shaft of said motor 211 is connected with said gear 212, and said gear 212 is meshed with said outer ring 221.Adopting motor-driven gear, again through the gear drive outer ring, thereby drive the rotation of second section arm joint, is a kind of optimal way of realizing the rotatable jib of the present invention, have simple in structure, cost is low, the advantage being convenient to keep in repair.
In the above-described embodiments, preferably, between said drive unit 21 and said revolution support 22, also be provided with deceleration device.Deceleration device can adjust the drive motor drives outer ring speed, be convenient to the control of rotary speed.
Like Fig. 4 and shown in Figure 5, the slew gear 22 of this structure, motor 221 driving under be with gear 212 rotation; Gear 212 drive outer rings, 221 rotations, outer ring 21 is fixedly connected with second section arm joint 12 through second junction plate 225, thereby drives axis of rotation 226 rotations that second section arm saves 12 wraparound rotation structures 22; And interior 222 is motionless; The first section arm joint 11 that then is fixedly connected with inner ring 222 is also motionless, thereby realizes that second section arm saves relative first section arm joint and rotate in a circumferential direction, and the anglec of rotation can arbitrarily be controlled; Second section arm joint drives carrier pipe and rotates together, thereby realizes that cloth is flexible more, the purpose at minimizing cloth dead angle.
Fig. 6 is the cross-sectional schematic of another embodiment of slew gear described in the present invention.
As shown in Figure 6; Basic identical with the structure of above-mentioned Fig. 4 and slew gear shown in Figure 5; Difference is that said motor 211 is installed on said second section arm joint 12 through installing plate 13, have Fig. 4 and slew gear shown in Figure 5 whole beneficial effects, can realize goal of the invention of the present invention equally.
To sum up, the embodiment of rotatable jib according to the invention has increased slew gear at the arm internode, make folding, the expansion of jib and spinning movement more flexible, thereby cloth is more flexible; Secondly; The present invention increases slew gear in the arm internode; Make the energy-conservation carrier pipe of enough being with of part arm, under the effect of slew gear, rotate in a circumferential direction, improve jib and launch and the flexibility of rotating; Increase jib the cloth job area, reduce the cloth dead angle, solved the technical problem that jib exists in the prior art, realized goal of the invention of the present invention.
Each embodiment of the described rotatable jib of the above embodiment of the present invention is applied on the concrete mixer, promptly obtains each embodiment of concrete mixer according to the invention.It is the jib in the concrete arm pumping system of concrete mixer; Adopt the embodiment of the described rotatable jib of the above embodiment of the present invention; Thereby the arm internode at the pumping jib has increased slew gear; Jib is moved under turntable, oil cylinder, connecting rod, slew gear driven in common, and cloth is more flexible; Be that the present invention increases slew gear in the arm internode; Make the energy-conservation carrier pipe that enough drives of part arm; Under the effect of slew gear, rotate in a circumferential direction together; The acting in conjunction of turntable, connecting rod and slew gear improves jib and launches the flexibility with rotation, increase jib the cloth job area, reduce the cloth dead angle.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a rotatable jib comprises the arm joint (1) that a joint is above, it is characterized in that,
The said arm joint of at least one joint (1) comprises first section arm joint (11) and second section arm joint (12);
Said first section arm joint (11) is connected through slew gear (2) with said second section arm joint (12);
Said second section arm joint (12) can be around the said relatively first section arm joint of the axis of rotation (226) of said slew gear (2) (11) rotation under the effect of said slew gear (2).
2. rotatable jib according to claim 1 is characterized in that,
Said slew gear (2) comprising: (22) are supported in drive unit (21) and revolution;
Said first section arm joint (11) and said second section arm joint (12) are fixedly mounted on the both sides that (22) are supported in said revolution respectively;
Said drive unit (21) is installed on the said arm joint (1), and drives said revolution support (22).
3. rotatable jib according to claim 2 is characterized in that,
Said revolution is supported (22) and is comprised outer ring (221), inner ring (222) and roller (223);
Said roller (223) is provided with between said outer ring (221) and the said inner ring (221);
Said outer ring (221) is fixedly connected with said second section arm joint (12), and said inner ring (222) is fixedly connected with said first section arm joint (11).
4. rotatable jib according to claim 3 is characterized in that,
Said revolution is supported (22) and is also comprised first junction plate (224) and second junction plate (225);
Said outer ring (221) is fixedly connected with said second junction plate (225), and said second junction plate (225) is fixed on the end face of said second section arm joint (12),
Said inner ring (222) is fixedly connected with said first junction plate (224), and said first junction plate (224) is fixed on the end face of said first section arm joint (11).
5. rotatable jib according to claim 4 is characterized in that,
Said outer ring (221) is connected through bolt with said second junction plate (225), and said second junction plate (225) is welded on the end face of said second section arm joint (12),
Said inner ring (222) is connected through bolt with said first junction plate (224), and said first junction plate (224) is welded on the end face of said first section arm joint (11).
6. rotatable jib according to claim 5 is characterized in that, the center of said first junction plate (224), second junction plate (225) and said inner ring (222) all has through hole.
7. rotatable jib according to claim 6 is characterized in that,
Said rotatable jib also comprises the carrier pipe (3) that is installed on the said arm joint (1);
Said carrier pipe (3) locates to pass said through hole at said slew gear (2), and said carrier pipe (3) is located to be connected through pipe clamp (31) at said slew gear (2);
The said carrier pipe (3) of said pipe clamp (31) one sides can be around the axis of said pipe clamp (31), with respect to said carrier pipe (3) rotation of said pipe clamp (31) opposite side.
8. according to the arbitrary described rotatable jib of claim 2 to 7, it is characterized in that,
Said drive unit (21) comprises motor (211) and gear (212);
Said motor (211) is installed on said first section arm joint (11) or the said second section arm joint (12) through installing plate (13);
The output shaft of said motor (211) is connected with said gear (212), and said gear (212) is meshed with said outer ring (221).
9. rotatable jib according to claim 8 is characterized in that, between said drive unit (21) and said revolution support (22), also is provided with deceleration device.
10. a concrete mixer is characterized in that, comprises like arbitrary described rotatable jib in the claim 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100361439A CN102535855A (en) | 2012-02-17 | 2012-02-17 | Rotatable cantilever crane and concrete pump truck |
| PCT/CN2012/073849 WO2013120313A1 (en) | 2012-02-17 | 2012-04-11 | Rotatable boom and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100361439A CN102535855A (en) | 2012-02-17 | 2012-02-17 | Rotatable cantilever crane and concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102535855A true CN102535855A (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100361439A Pending CN102535855A (en) | 2012-02-17 | 2012-02-17 | Rotatable cantilever crane and concrete pump truck |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102535855A (en) |
| WO (1) | WO2013120313A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746876A (en) * | 2015-04-03 | 2015-07-01 | 徐州徐工施维英机械有限公司 | Circumferential rotated adjacent arm frame type arm frame set and concrete pump truck |
| CN112459490A (en) * | 2020-10-27 | 2021-03-09 | 同济大学 | Three-joint rotary type concrete distributing robot |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019134657A1 (en) * | 2019-12-17 | 2021-06-17 | Putzmeister Engineering Gmbh | Concrete placing boom with swivel joint |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280771A (en) * | 1977-11-25 | 1981-07-28 | Friedrich Wilh. Schwing Gmbh | Apparatus for distributing concrete, especially in the shuttering of gallery linings in mine and tunnel workings |
| WO2010089212A1 (en) * | 2009-02-03 | 2010-08-12 | Putzmeister Concrete Pumps Gmbh | Device for distribution of concrete having an articulated mast |
| CN202144669U (en) * | 2011-06-20 | 2012-02-15 | 北汽福田汽车股份有限公司 | Slewing device and concrete pump vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4519768A (en) * | 1982-10-29 | 1985-05-28 | Takenaka Komuten Co., Ltd. | Apparatus for horizontally casting concrete |
| JP3678592B2 (en) * | 1998-11-12 | 2005-08-03 | 極東開発工業株式会社 | Telescopic cylinder mounting structure in boom device |
| CN201326278Y (en) * | 2008-11-21 | 2009-10-14 | 北京建研机械科技有限公司 | Material spreading machine with relative movement of three-arm combination |
| CN201554231U (en) * | 2009-12-04 | 2010-08-18 | 三一重工股份有限公司 | Concrete pump truck and concrete delivery device |
| CN201598834U (en) * | 2009-12-16 | 2010-10-06 | 三一重工股份有限公司 | Concrete pump truck and arm support device thereof |
| CN201730339U (en) * | 2010-08-19 | 2011-02-02 | 三一重工股份有限公司 | Concrete pumping equipment and cantilever device thereof |
-
2012
- 2012-02-17 CN CN2012100361439A patent/CN102535855A/en active Pending
- 2012-04-11 WO PCT/CN2012/073849 patent/WO2013120313A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280771A (en) * | 1977-11-25 | 1981-07-28 | Friedrich Wilh. Schwing Gmbh | Apparatus for distributing concrete, especially in the shuttering of gallery linings in mine and tunnel workings |
| WO2010089212A1 (en) * | 2009-02-03 | 2010-08-12 | Putzmeister Concrete Pumps Gmbh | Device for distribution of concrete having an articulated mast |
| CN202144669U (en) * | 2011-06-20 | 2012-02-15 | 北汽福田汽车股份有限公司 | Slewing device and concrete pump vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746876A (en) * | 2015-04-03 | 2015-07-01 | 徐州徐工施维英机械有限公司 | Circumferential rotated adjacent arm frame type arm frame set and concrete pump truck |
| CN112459490A (en) * | 2020-10-27 | 2021-03-09 | 同济大学 | Three-joint rotary type concrete distributing robot |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013120313A1 (en) | 2013-08-22 |
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Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130506 |
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Effective date of registration: 20130506 Address after: 410100 31 industrial city, Changsha economic and Technological Development Zone, Hunan Applicant after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 31 industrial city, Changsha economic and Technological Development Zone, Hunan Applicant before: Sanyi Heavy Industry Co., Ltd. |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120704 |