EP2767714B1 - Glass plate for concrete conveying pump - Google Patents
Glass plate for concrete conveying pump Download PDFInfo
- Publication number
- EP2767714B1 EP2767714B1 EP12827681.3A EP12827681A EP2767714B1 EP 2767714 B1 EP2767714 B1 EP 2767714B1 EP 12827681 A EP12827681 A EP 12827681A EP 2767714 B1 EP2767714 B1 EP 2767714B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glass plate
- conveying pump
- concrete conveying
- feeding
- holes
- 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.)
- Not-in-force
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
Definitions
- the present invention relates to a glass plate for a concrete conveying pump.
- Existing glass plates for concrete conveying pumps comprise a steel base with two feeding through holes thereon, the end face of the steel base is embedded and welded with a wear-resistant material slide joint surface, and shear rings are assembled in the two feeding through holes of the steel base.
- shear rings are assembled in two feeding through holes of the steel base, one end of each shear ring is provided with a flange ring that is accommodated in a countersunk hole of the steel base. During use, the flange ring is pressed tightly in the countersunk hole by the assembly pressure between the steel base and the external conveying pump such that the shear ring will not become loose or turn and fall off in operations.
- the object of the present invention is to provide a glass plate for a concrete conveying pump, eliminate countersunk holes for accommodating the shear rings and a flange ring at one end of each shear ring, avoid the interference of sealing grooves on the end face of the steel base and the countersunk holes for accommodating the shear rings thereon, and achieve convenient assembly and disassembly.
- the invention is defined by appended claims.
- the glass plate for a concrete conveying pump comprises a steel base with two feeding through holes thereon, the end face of the steel base is embedded and welded with a wear-resistant material slide joint surface, shear rings are assembled in the two feeding through holes of the steel base, which are provided with openings, grooves are formed on inner circular faces of the feeding through holes, and outer circular faces of the shear rings are provided with flanges matched with the grooves.
- the flange ring on the shear ring is eliminated and the interference of sealing grooves on the end face of the steel base and the countersunk holes for accommodating the shear rings thereon is avoided, leading to convenient assembly and disassembly.
- the engagement of the grooves and the flange can effectively prevent displacement of the shear ring along the axial direction of the feeding through hole.
- a centrally dividing plane of the shear ring is taken as a symmetry plane, and the grooves and the flanges are symmetrically arranged with respect to the symmetry plane.
- the front of shear ring can be reversed to become the back, which is re-assembled in the feeding through hole for use, i.e. two end faces of the shear ring can be utilized, which doubles the service life of the shear ring relative to the past.
- the structure of grooves and flange is simple, which facilitates design, processing and production.
- the groove comprises at least one groove arc segment in the circumferential direction, the flange matches the groove and comprises the same number of flange arc segments as that of the groove are segments.
- Such a structure replaces continuous grooves and flanges with discontinuous grooves and flanges, which can prevent the shear ring from turning circumferentially.
- the cross-sectional shape of the grooves and flanges is rectangular, which can improve the precision of axial positioning of the shear ring.
- An expansion device is provided at the opening of the shear ring.
- the expansion of the expansion device increases the diameter of the shear ring such that the shear ring is more reliably pressed tight onto the inner wall of the feeding through hole, which ensures that the shear ring will not become loose during operations.
- the expansion device is composed of two mutually matching expansion wedge blocks, and two side surfaces of the two expansion wedge blocks that match with the shear ring are both parallel to the axis of the shear ring.
- the two expansion wedge blocks can still match with the opening of the shear ring such that the shear ring with the expansion device can also be used twice with its front and back.
- the steel base is provided with radial holes that are open to the feeding through holes, a screw is provided within the radial hole, and a screw hole is formed on one of the expansion wedge blocks for threaded connection with the screw.
- the above structure can ensure that the shear ring will not turn during operations and at the same time, is favorable for assembly and disassembly of the expansion wedge blocks.
- the steel base is provided with a guide lifting groove that is open to the feeding through hole, and a guide ear that matches with the guide lifting groove is provided on one of the expansion wedge blocks.
- the guide lifting groove can limit the circumferential position of the expansion wedge block by means of the guide ear therein, thereby ensuring that the shear ring will not turn during operations.
- the steel base is provided with radial holes that are open to the feeding through holes, a screw is provided within the radial hole for fixing the shear ring, thereby ensuring that the shear ring will not turn during operations.
- the glass plate for a concrete conveying pump comprises a steel base 2 with two feeding through holes 1 thereon, the end face of the steel base 2 is embedded and welded with a wear-resistant material slide joint surface 3, shear rings 4 are assembled in the two feeding through holes 1 of the steel base 2, the shear rings 4 are provided with openings, and an expansion device is provided at the opening of the shear ring 4.
- Grooves 5 are formed on inner circular faces of the feeding through holes 1, and outer circular faces of the shear rings 4 are provided with flanges 6 matched with the grooves 5.
- a centrally dividing plane of the shear ring 4 is taken as a symmetry plane (the symmetry plane evenly divides the shear ring 4 into two parts with the thickness of each part being one half of the thickness of the entire shear ring 4), and the grooves 5 and the flanges 6 are symmetrically arranged with respect to the symmetry plane.
- each of the grooves 5 and each of the flanges 6 is preferably mutually matching rectangle, or mutually matching triangle, trapezoid, semicircle, or other shapes.
- the number of the grooves 5 and the flanges 6 each may be one, two, three or more.
- All of the grooves 5 and the flanges 6 are continuous circumferentially.
- the expansion device is composed of an expansion wedge block 7, and two inclined side surfaces 7C of the expansion wedge block 7 are provided with a V-shaped guide groove 8.
- the steel base 2 is provided with a radial hole 9 that is open to the feeding through hole 1, a screw 15 is provided within the radial hole 9, and one end of the shear ring 4 is formed with a screw hole 16 for threaded connection with the screw 15. Tightening holes 11 are formed at the openings of the two end faces of the shear ring 4 for using an internal caliper to assemble and disassemble.
- the inner holes and end faces of the shear ring 4 are coated with a wear-resistant material to improve the service life of the shear ring 4.
- this example is different from Example I in that the cross-sectional shape of the groove 5 and the flange 6 is rectangular and there are one groove 5 and one flange 6.
- the groove 5 comprises at least one groove arc segment in the circumferential direction
- the flange 6 matches the groove 5 and comprises the same number of flange arc segments as that of the groove arc segments.
- the expansion device is composed of two mutually matching expansion wedge blocks 7A and 7B, one big and one small, and two side surfaces 7C of the two expansion wedge blocks 7A and 7B that match with the shear ring 4 are both parallel to the axis of the shear ring 4.
- a V-shaped guide groove 8 is formed on the side surfaces 7C of the two expansion wedge blocks 7A and 7B and the side surfaces 4C of the openings of the shear ring 4 for mutual match.
- the big expansion wedge block 7A is provided with a flange 7D for matching with the groove 5.
- the small expansion wedge block 7B thereof is relatively long before the assembly, and the extra part is removed with a polishing machine after assembly, as shown in Fig. 5 .
- this example is different from Example II in that there are two grooves 5 and two flanges 6, which are the first groove 5A, the second groove 5B, the first flange 6A and the second flange 6B, respectively. All of the grooves 5A, 5B and the flanges 6A, 6B are continuous circumferentially.
- the expansion device is composed of two expansion wedge blocks 7A and 7B, one big and one small, and two side surfaces 7C of the two expansion wedge blocks 7A and 7B that match with the shear ring 4 are both parallel to the axis of the shear ring 4.
- the steel base 2 is provided with a guide lifting groove 12 that is open to the feeding through hole 1, and the big expansion wedge block 7A thereof is provided with a guide ear 13 that matches with the guide lifting groove 12.
- a V-shaped positioning groove 14 is formed on the side surface 7C of the big expansion wedge block 7A that matches with the shear ring 4, the V-shaped positioning groove 14 may be formed only locally on the side surface 7C of the expansion wedge block 7A, or may be formed on the entire side surface 7C of the expansion wedge block 7A as shown in Fig. 8 to achieve the axial positioning of the expansion wedge block 7.
- the side surface 7C of the small expansion wedge block 7B that engages with the shear ring 4 is a plane with no groove.
- an internal caliper is inserted into the tightening hole 11 to clutch the shear ring 4 and place it into the feeding through hole 1 of the steel base 2.
- the expansion wedge block 7 that has the guide ear 13 is inserted into the guide lifting groove 12 of the steel base 2.
- the longer and small expansion wedge block 7B is pushed in and the extra part is removed with a polishing machine after assembly, as shown in Fig. 6 to Fig. 8 .
- this example is different from Example III in that the cross-sectional shape of the groove 5 and the flange 6 is rectangular and there are one groove 5 and one flange 6.
- the side surfaces 7C of the two expansion wedge blocks 7A and 7B that match with the shear ring 4 are all planes with no groove and parallel to the axis of the shear ring 4.
- the side surfaces 4C of the openings of the shear ring 4 are all planes as well.
- the steel base 2 is provided with a radial hole 9 that is open to the feeding through hole 1, a screw 15 is provided within the radial hole 9, and the big expansion wedge block 7A is formed with a screw hole 16 for threaded connection with the screw 15.
- the big expansion wedge block 7A is provided with a flange 7D for matching with the groove 5.
- an internal caliper is inserted into the tightening hole 11 to clutch the shear ring 4 and place it into the feeding through hole 1 of the steel base 2.
- the screw 15 is installed in the radial hole 9 that is open to the feeding through hole 1 on the steel base 2 to fix the big expansion wedge block 7A.
- the longer and small expansion wedge block 7B is pushed in and the extra part is removed with a polishing machine after assembly, as shown in Fig. 9 and Fig. 10 .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
- Connection Of Plates (AREA)
- Joining Of Building Structures In Genera (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
- The present invention relates to a glass plate for a concrete conveying pump.
- Existing glass plates for concrete conveying pumps comprise a steel base with two feeding through holes thereon, the end face of the steel base is embedded and welded with a wear-resistant material slide joint surface, and shear rings are assembled in the two feeding through holes of the steel base. In the Chinese Patent Authorized Publication No.
CN201582092 U , shear rings are assembled in two feeding through holes of the steel base, one end of each shear ring is provided with a flange ring that is accommodated in a countersunk hole of the steel base. During use, the flange ring is pressed tightly in the countersunk hole by the assembly pressure between the steel base and the external conveying pump such that the shear ring will not become loose or turn and fall off in operations. On some steel bases, however, interference could take place between the countersunk holes for accommodating the shear rings and sealing grooves on the end face thereof. Moreover, the assembly and disassembly thereof are relatively inconvenient. In addition, such a sear ring only has one face thereof utilized, which is a waste. Typical Prior art is disclosed inDE 10 2004 015 181 . - The object of the present invention is to provide a glass plate for a concrete conveying pump, eliminate countersunk holes for accommodating the shear rings and a flange ring at one end of each shear ring, avoid the interference of sealing grooves on the end face of the steel base and the countersunk holes for accommodating the shear rings thereon, and achieve convenient assembly and disassembly.
The invention is defined by appended claims. - To attain the above object, the glass plate for a concrete conveying pump according to the present invention comprises a steel base with two feeding through holes thereon, the end face of the steel base is embedded and welded with a wear-resistant material slide joint surface, shear rings are assembled in the two feeding through holes of the steel base, which are provided with openings, grooves are formed on inner circular faces of the feeding through holes, and outer circular faces of the shear rings are provided with flanges matched with the grooves.
- With the structure according to the present invention, the flange ring on the shear ring is eliminated and the interference of sealing grooves on the end face of the steel base and the countersunk holes for accommodating the shear rings thereon is avoided, leading to convenient assembly and disassembly. At the same time, the engagement of the grooves and the flange can effectively prevent displacement of the shear ring along the axial direction of the feeding through hole.
- Along the axial direction, a centrally dividing plane of the shear ring is taken as a symmetry plane, and the grooves and the flanges are symmetrically arranged with respect to the symmetry plane.
- With such a structure, the front of shear ring can be reversed to become the back, which is re-assembled in the feeding through hole for use, i.e. two end faces of the shear ring can be utilized, which doubles the service life of the shear ring relative to the past.
- In such a structure, the structure of grooves and flange is simple, which facilitates design, processing and production.
- The groove comprises at least one groove arc segment in the circumferential direction, the flange matches the groove and comprises the same number of flange arc segments as that of the groove are segments.
- Such a structure replaces continuous grooves and flanges with discontinuous grooves and flanges, which can prevent the shear ring from turning circumferentially.
- The cross-sectional shape of the grooves and flanges is rectangular, which can improve the precision of axial positioning of the shear ring.
- An expansion device is provided at the opening of the shear ring.
- When the shear ring is placed in the feeding through hole, the expansion of the expansion device increases the diameter of the shear ring such that the shear ring is more reliably pressed tight onto the inner wall of the feeding through hole, which ensures that the shear ring will not become loose during operations.
- The expansion device is composed of two mutually matching expansion wedge blocks, and two side surfaces of the two expansion wedge blocks that match with the shear ring are both parallel to the axis of the shear ring.
- With such a structure, when the shear ring is reversed and installed on the feeding through hole, the two expansion wedge blocks can still match with the opening of the shear ring such that the shear ring with the expansion device can also be used twice with its front and back.
- The steel base is provided with radial holes that are open to the feeding through holes, a screw is provided within the radial hole, and a screw hole is formed on one of the expansion wedge blocks for threaded connection with the screw.
- The above structure can ensure that the shear ring will not turn during operations and at the same time, is favorable for assembly and disassembly of the expansion wedge blocks.
- The steel base is provided with a guide lifting groove that is open to the feeding through hole, and a guide ear that matches with the guide lifting groove is provided on one of the expansion wedge blocks.
- During operations, the guide lifting groove can limit the circumferential position of the expansion wedge block by means of the guide ear therein, thereby ensuring that the shear ring will not turn during operations.
- The steel base is provided with radial holes that are open to the feeding through holes, a screw is provided within the radial hole for fixing the shear ring, thereby ensuring that the shear ring will not turn during operations.
-
-
Fig. 1 illustrates the 3-D structure of Example I of the present invention; -
Fig. 2 illustrates the 3-D structure of the combination of a shear ring, an expansion wedge block and a screw in Example I; -
Fig. 3 is an exploded local cross-sectional view of the 3-D structure of Example I; -
Fig. 4 illustrates the 3-D structure of Example II; -
Fig. 5 is an exploded local cross-sectional view of the 3-D structure of Example II; -
Fig. 6 illustrates the 3-D structure of Example III; -
Fig. 7 illustrates the 3-D structure of the combination of a shear ring, and big and small expansion wedge blocks in Example III; -
Fig. 8 is an exploded local cross-sectional view of the 3-D structure of Example III; -
Fig. 9 illustrates the 3-D structure of Example IV; -
Fig. 10 is an exploded local cross-sectional view of the 3-D structure of Example IV; -
Fig. 11 is an enlarged view of the shear ring part inFig. 3 ; -
Fig. 12 is an enlarged view of the steel base part inFig. 3 ; -
Fig. 13 is an enlarged view of the steel base part inFig. 8 ; -
Fig. 14 is an enlarged view of the base part inFig. 10 . - As shown in
Fig. 1, Fig. 2 ,Fig. 3 ,Fig. 11 andFig. 12 , the glass plate for a concrete conveying pump according to the present invention comprises asteel base 2 with two feeding through holes 1 thereon, the end face of thesteel base 2 is embedded and welded with a wear-resistant materialslide joint surface 3,shear rings 4 are assembled in the two feeding through holes 1 of thesteel base 2, theshear rings 4 are provided with openings, and an expansion device is provided at the opening of theshear ring 4.Grooves 5 are formed on inner circular faces of the feeding through holes 1, and outer circular faces of theshear rings 4 are provided withflanges 6 matched with thegrooves 5. - Along the axial direction, a centrally dividing plane of the
shear ring 4 is taken as a symmetry plane (the symmetry plane evenly divides theshear ring 4 into two parts with the thickness of each part being one half of the thickness of the entire shear ring 4), and thegrooves 5 and theflanges 6 are symmetrically arranged with respect to the symmetry plane. - The cross-sectional shape of each of the
grooves 5 and each of theflanges 6 is preferably mutually matching rectangle, or mutually matching triangle, trapezoid, semicircle, or other shapes. - The number of the
grooves 5 and theflanges 6 each may be one, two, three or more. - All of the
grooves 5 and theflanges 6 are continuous circumferentially. - The expansion device is composed of an
expansion wedge block 7, and twoinclined side surfaces 7C of theexpansion wedge block 7 are provided with a V-shaped guide groove 8. Thesteel base 2 is provided with aradial hole 9 that is open to the feeding through hole 1, ascrew 15 is provided within theradial hole 9, and one end of theshear ring 4 is formed with ascrew hole 16 for threaded connection with thescrew 15.Tightening holes 11 are formed at the openings of the two end faces of theshear ring 4 for using an internal caliper to assemble and disassemble. - Wherein, the inner holes and end faces of the
shear ring 4 are coated with a wear-resistant material to improve the service life of theshear ring 4. - As shown in
Fig. 4 and Fig. 5 , this example is different from Example I in that the cross-sectional shape of thegroove 5 and theflange 6 is rectangular and there are onegroove 5 and oneflange 6. Thegroove 5 comprises at least one groove arc segment in the circumferential direction, theflange 6 matches thegroove 5 and comprises the same number of flange arc segments as that of the groove arc segments. The expansion device is composed of two mutually matchingexpansion wedge blocks side surfaces 7C of the twoexpansion wedge blocks shear ring 4 are both parallel to the axis of theshear ring 4. A V-shaped guide groove 8 is formed on theside surfaces 7C of the twoexpansion wedge blocks side surfaces 4C of the openings of theshear ring 4 for mutual match. The bigexpansion wedge block 7A is provided with aflange 7D for matching with thegroove 5. The smallexpansion wedge block 7B thereof is relatively long before the assembly, and the extra part is removed with a polishing machine after assembly, as shown inFig. 5 . - As shown in
Fig. 6 to Fig. 8 andFig. 13 , this example is different from Example II in that there are twogrooves 5 and twoflanges 6, which are thefirst groove 5A, thesecond groove 5B, thefirst flange 6A and thesecond flange 6B, respectively. All of thegrooves flanges side surfaces 7C of the two expansion wedge blocks 7A and 7B that match with theshear ring 4 are both parallel to the axis of theshear ring 4. Thesteel base 2 is provided with a guide lifting groove 12 that is open to the feeding through hole 1, and the bigexpansion wedge block 7A thereof is provided with aguide ear 13 that matches with the guide lifting groove 12. A V-shapedpositioning groove 14 is formed on theside surface 7C of the bigexpansion wedge block 7A that matches with theshear ring 4, the V-shapedpositioning groove 14 may be formed only locally on theside surface 7C of theexpansion wedge block 7A, or may be formed on theentire side surface 7C of theexpansion wedge block 7A as shown inFig. 8 to achieve the axial positioning of theexpansion wedge block 7. Theside surface 7C of the smallexpansion wedge block 7B that engages with theshear ring 4 is a plane with no groove. - During assembly, an internal caliper is inserted into the tightening
hole 11 to clutch theshear ring 4 and place it into the feeding through hole 1 of thesteel base 2. Theexpansion wedge block 7 that has theguide ear 13 is inserted into the guide lifting groove 12 of thesteel base 2. The longer and smallexpansion wedge block 7B is pushed in and the extra part is removed with a polishing machine after assembly, as shown inFig. 6 to Fig. 8 . - As shown in
Fig. 9 ,Fig. 10 andFig. 14 , this example is different from Example III in that the cross-sectional shape of thegroove 5 and theflange 6 is rectangular and there are onegroove 5 and oneflange 6. The side surfaces 7C of the two expansion wedge blocks 7A and 7B that match with theshear ring 4 are all planes with no groove and parallel to the axis of theshear ring 4. The side surfaces 4C of the openings of theshear ring 4 are all planes as well. Thesteel base 2 is provided with aradial hole 9 that is open to the feeding through hole 1, ascrew 15 is provided within theradial hole 9, and the bigexpansion wedge block 7A is formed with ascrew hole 16 for threaded connection with thescrew 15. The bigexpansion wedge block 7A is provided with aflange 7D for matching with thegroove 5. - During assembly, an internal caliper is inserted into the tightening
hole 11 to clutch theshear ring 4 and place it into the feeding through hole 1 of thesteel base 2. Thescrew 15 is installed in theradial hole 9 that is open to the feeding through hole 1 on thesteel base 2 to fix the bigexpansion wedge block 7A. The longer and smallexpansion wedge block 7B is pushed in and the extra part is removed with a polishing machine after assembly, as shown inFig. 9 andFig. 10 .
Claims (9)
- A glass plate for a concrete conveying pump, comprising a steel base (2) with two feeding through holes (1) thereon, the end face of the steel base (2) is embedded and welded with a wear-resistant material slide joint surface (3), shear rings (4) are assembled in the two feeding through holes (1) of the steel base (2), which are provided with openings, wherein grooves (5) are formed on inner circular faces of the feeding through holes (1), and outer circular faces of the shear rings (4) are provided with flanges (6) matched with the grooves (5),
characterized in that along the axial direction, a centrally dividing plane of the shear ring (4) is taken as a symmetry plane, and the grooves (5) and the flanges (6) are symmetrically arranged with respect to the symmetry plane. - The glass plate for a concrete conveying pump as set forth in Claim 1, characterized in that all of the grooves (5) and the flanges (6) are continuous circumferentially.
- The glass plate for a concrete conveying pump as set forth in Claim 1, characterized in that the groove (5) comprises at least one groove arc segment in the circumferential direction, the flange (6) matches the groove (5) and comprises the same number of flange arc segments as that of the groove arc segments.
- The glass plate for a concrete conveying pump as set forth in Claim 1, characterized in that the cross-sectional shape of the grooves (5) and flanges (6) is rectangular.
- The glass plate for a concrete conveying pump as set forth in any one of Claims 1 to 4, characterized in that an expansion device is provided at the opening of the shear ring (4).
- The glass plate for a concrete conveying pump as set forth in Claim 5, characterized in that the expansion device is composed of two mutually matching expansion wedge blocks (7A, 7B), and two side surfaces of the two expansion wedge blocks (7A, 7B) that match with the shear ring (4) are both parallel to the axis of the shear ring (4).
- The glass plate for a concrete conveying pump as set forth in Claim 6, characterized in that the steel base (2) is provided with radial holes (9) that are open to the feeding through holes (1), a screw (15) is provided within the radial holes (9), and a screw hole (16) is formed on one of the expansion wedge blocks (7A, 7B) for threaded connection with the screw (15).
- The glass plate for a concrete conveying pump as set forth in Claim 6, characterized in that the steel base (2) is provided with a guide lifting groove (12) that is open to the feeding through hole (1), and a guide ear (13) that matches with the guide lifting groove (12) is provided on one of the expansion wedge blocks (7A, 7B).
- The glass plate for a concrete conveying pump as set forth in any one of Claims 1 to 4, characterized in that the steel base (2) is provided with radial holes (9) that are open to the feeding through holes (1), a screw (15) is provided within the radial hole (1) for fixing the shear ring.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110254690.XA CN102297126B (en) | 2011-08-31 | 2011-08-31 | Glasses plate for concrete pump |
PCT/CN2012/080041 WO2013029465A1 (en) | 2011-08-31 | 2012-08-13 | Glass plate for concrete conveying pump |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2767714A1 EP2767714A1 (en) | 2014-08-20 |
EP2767714A4 EP2767714A4 (en) | 2015-11-11 |
EP2767714B1 true EP2767714B1 (en) | 2017-03-22 |
Family
ID=45357749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12827681.3A Not-in-force EP2767714B1 (en) | 2011-08-31 | 2012-08-13 | Glass plate for concrete conveying pump |
Country Status (8)
Country | Link |
---|---|
US (1) | US20140232102A1 (en) |
EP (1) | EP2767714B1 (en) |
KR (1) | KR101589036B1 (en) |
CN (1) | CN102297126B (en) |
AU (1) | AU2012304054B2 (en) |
CA (1) | CA2845738C (en) |
RU (1) | RU2565124C1 (en) |
WO (1) | WO2013029465A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102297126B (en) * | 2011-08-31 | 2014-03-26 | 郑州宜安机械有限公司 | Glasses plate for concrete pump |
CN103277296B (en) * | 2013-03-22 | 2016-08-31 | 三一汽车制造有限公司 | The wear parts of concrete pump and concrete pumping equipment |
CN104019026B (en) * | 2014-06-12 | 2016-02-24 | 三一汽车制造有限公司 | The glasses plate of a kind of concrete pump and concrete pump and manufacture method |
US10436442B2 (en) * | 2015-10-28 | 2019-10-08 | Noritz Corporation | Exhaust tube holding member, exhaust structure for combustion apparatus, and method for installing exhaust structure for combustion apparatus |
CN114017308B (en) * | 2021-11-10 | 2023-03-10 | 江苏徐工工程机械研究院有限公司 | Wear plate for concrete pump truck, preparation method and concrete pump truck |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU840466A1 (en) * | 1979-03-30 | 1981-06-23 | Всесоюзный Строительный Трест Помеханизации Работ B Энергетическом Строительстве | Diaphragm pump |
DE3013449A1 (en) * | 1980-04-05 | 1981-10-08 | Stetter Gmbh, 8940 Memmingen | Abrasion end section for concrete pump - has abrasion ring, turnable and lockable on hingeable pipe slide |
JP2564168B2 (en) * | 1988-04-15 | 1996-12-18 | 川崎重工業株式会社 | Swing valve and suction / discharge port plate of swing valve type concrete pump |
JPH06257563A (en) * | 1993-03-08 | 1994-09-13 | Niigata Eng Co Ltd | Sliding plate and sliding portion of oscillating pipe in concrete pump |
JPH08170585A (en) * | 1994-12-16 | 1996-07-02 | Mitsubishi Materials Corp | Oscillating valve of concrete pump |
CA2203708A1 (en) * | 1997-04-25 | 1998-10-25 | Chin-Yen Kao | Improved structure pump valve for concrete mixture pumping trucks |
JP4577932B2 (en) * | 2000-02-07 | 2010-11-10 | 株式会社シンテック | Deflection prevention structure of valve mechanism in pump for ready-mixed concrete. |
US6695356B2 (en) * | 2001-11-19 | 2004-02-24 | Cooper Cameron | Connector for securing conduits |
CN2575325Y (en) * | 2002-09-30 | 2003-09-24 | 翁宗更 | Air intake & discharge valve plate assmebly for oilless compressor |
KR20040057014A (en) * | 2002-12-24 | 2004-07-01 | 한락수 | A Structure and the Manufacturing Method for Friction Parts on Concrete Pump |
DE102004015181A1 (en) * | 2004-03-25 | 2005-10-13 | Putzmeister Ag | Material feed container for a slurry pump |
WO2007111689A2 (en) * | 2005-11-08 | 2007-10-04 | Good Earth Tools, Inc. | Sealing rings for abrasive slurry pumps |
DE102007031254A1 (en) * | 2007-07-04 | 2009-01-08 | Putzmeister Concrete Pumps Gmbh | Wear ring for use in concrete pumps |
CN201582092U (en) * | 2009-12-02 | 2010-09-15 | 郑州宜安机械有限公司 | Wear-plate used for concrete conveying pump |
CN102086858B (en) * | 2009-12-02 | 2012-10-31 | 郑州宜安机械有限公司 | Eyeglass plate for concrete delivery pump |
CN202187904U (en) * | 2011-08-31 | 2012-04-11 | 郑州宜安机械有限公司 | Wear plate for concrete conveying pump |
CN102297126B (en) * | 2011-08-31 | 2014-03-26 | 郑州宜安机械有限公司 | Glasses plate for concrete pump |
-
2011
- 2011-08-31 CN CN201110254690.XA patent/CN102297126B/en not_active Expired - Fee Related
-
2012
- 2012-08-13 AU AU2012304054A patent/AU2012304054B2/en not_active Ceased
- 2012-08-13 EP EP12827681.3A patent/EP2767714B1/en not_active Not-in-force
- 2012-08-13 WO PCT/CN2012/080041 patent/WO2013029465A1/en active Application Filing
- 2012-08-13 CA CA2845738A patent/CA2845738C/en not_active Expired - Fee Related
- 2012-08-13 US US14/241,641 patent/US20140232102A1/en not_active Abandoned
- 2012-08-13 RU RU2014111084/06A patent/RU2565124C1/en not_active IP Right Cessation
- 2012-08-13 KR KR1020147008526A patent/KR101589036B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP2767714A4 (en) | 2015-11-11 |
AU2012304054B2 (en) | 2016-10-13 |
RU2014111084A (en) | 2015-10-10 |
CA2845738A1 (en) | 2013-03-07 |
US20140232102A1 (en) | 2014-08-21 |
KR20140076561A (en) | 2014-06-20 |
CN102297126B (en) | 2014-03-26 |
RU2565124C1 (en) | 2015-10-20 |
KR101589036B1 (en) | 2016-01-27 |
CA2845738C (en) | 2017-03-14 |
EP2767714A1 (en) | 2014-08-20 |
WO2013029465A1 (en) | 2013-03-07 |
CN102297126A (en) | 2011-12-28 |
AU2012304054A1 (en) | 2014-03-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2767714B1 (en) | Glass plate for concrete conveying pump | |
AU2007250390B2 (en) | Stator casing for eccentric worm pumps | |
JPWO2016052126A1 (en) | Fluid pressure cylinder | |
MX2013003490A (en) | Fluid filter system. | |
US20170306760A1 (en) | Eccentric screw pump | |
US9644775B2 (en) | Pipe connector with compensator | |
EP3176474A1 (en) | Combination oil ring | |
AU2016333343B2 (en) | Gear with helical toothing, and segment for a gear | |
US20050087931A1 (en) | Mechanical seal | |
JP2019173845A (en) | Shaft coupling and rotating device comprising shaft coupling | |
US7458896B2 (en) | Elastic shaft coupling | |
CA2892964C (en) | Dual clutch comprising two clutch units which act in a force-fitting manner | |
NZ603945A (en) | Uniaxial eccentric screw pump | |
CN111828747A (en) | Pipeline flange | |
US20120306161A1 (en) | Multi-segment seal retainer for rotating shafts | |
JP2017040327A (en) | Split type mechanical seal and manufacturing method for split type mechanical seal | |
US9279501B2 (en) | Split seal for a shaft | |
JP2016008717A (en) | Flange fitting | |
JP2008240941A (en) | Piston assembly in hydraulic cylinder | |
CN202187904U (en) | Wear plate for concrete conveying pump | |
KR102020082B1 (en) | Butterfly valve | |
CN110925319A (en) | Quick-release coupler | |
KR101210830B1 (en) | Pipe clamp and pipe working machine | |
RU2639271C2 (en) | Antenna reflector segments fixation | |
KR101595376B1 (en) | Assembly Structure Of Roller |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20140327 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20151014 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04B 53/00 20060101ALI20151008BHEP Ipc: F04B 15/02 20060101AFI20151008BHEP |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20160926 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 878068 Country of ref document: AT Kind code of ref document: T Effective date: 20170415 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 602012030268 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20170322 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170622 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170623 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MK05 Ref document number: 878068 Country of ref document: AT Kind code of ref document: T Effective date: 20170322 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170622 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: RS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170722 Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170724 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 602012030268 Country of ref document: DE |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 |
|
26N | No opposition filed |
Effective date: 20180102 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 602012030268 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20170813 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170831 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170831 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20180430 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20170831 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170813 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170813 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170813 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180301 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170831 Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170831 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170813 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20120813 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170322 |